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Exploitation and Dissemination Plans and 2nd year activities
D7.3
‘COCONUT_D7.3_WP7_v2.0’
Version: 2.0
Last Update: February 11, 2015
Distribution level: PU
Distribution level
PU = Public,
RE = Restricted to a group of the specified Consortium, PP = Restricted to other program participants (including Commission Services),
CO= Confidential, only for members of the COCONUT Consortium (including the Commission Services)
Ref. Ares(2015)612511 - 13/02/2015
Internal Document
FP7 – ICT– GA 318515
The COCONUT Project Consortium groups the following organizations:
Partner Name Short name Country SCUOLA SUPERIORE DI STUDI UNIVERSITARI E DI
PERFEZIONAMENTO SANT'ANNA
SSA Italy
UNIVERSITAT POLITECNICA DE CATALUNYA
UPC Spain
RESEARCH AND EDUCATION LABORATORY IN
INFORMATION TECHNOLOGIES
AIT Greece
ERICSSON AB
EAB Sweden
PROMAX ELECTRONICA S.A.
PRO Spain
OPTRONICS TECHNOLOGIES A.B.E.T.E.
OPT Greece
III V LAB GIE
35L France
BRITISH TELECOMMUNICATIONS PUBLIC
LIMITED COMPANY
BT United Kingdom
Abstract: This deliverable reports the actions taken by the COCONUT consortium in terms of dissemination and
exploitation of the project results during the 2nd year of the project covering the period from November
2013 to October 2014. It also summarises the opportunities for commercialisation, exploitation and
standardisation identified by the industrial partners in the second year of the project. The next steps are
also identified herein.
Internal Document
FP7 – ICT– GA 318515
Document Identity
Title: Exploitation and Dissemination Plans and 1st year activities
Subject:
Number:
Leader (Editor):
D7.3
OPTRONICS (Thanasis Theocharidis)
File name: COCONUT_D7.3_WP7_v2.0
Registration Date: 24 September, 2014
Last Update: 11 February 2015
Revision History No. Version Edition Author(s) Date
1 0.1 0.1 Marianna Angelou 24/09/14
Comments: First Draft and Input Optronics
2 0.1 0.2 Gemma Vall-llosera 03/10/14
Comments: Input Ericsson
3 0.1 0.2 Ivan Cano 07/10/14
Comments: Input UPC
4 0.1 0.2 Christophe Kazmierski 13/10/14
Comments: Input 35L
5 1.0 0.3 Albert Rafel 15/10/14
Comments: Input BT
6 0.3 Gregorio Azcarate 15/10/14
Comments: Input Promax
7 0.4 Ernesto Ciaramella 18/10/14
Comments: Input SSA
8 0.5 Ernesto Ciaramella 18/11/2014
Comments: Review comments
9 1.0 Marianna Angelou 18/11/2014
Comments: Final version
10 1.1 Albert Rafel (BT) 19/1/2015
Comments: Exploitation and Standardisation Update based on reviewers comments
11 1.2 Thanasis Theocharidis (OPTRONICS) 21/1/2015
Comments: Dissemination and Exploitation Update based on reviewers comments
12 1.3 Gregorio Azcarate (PROMAX) 28/1/2015
Comments: Exploitation Update based on reviewers comments
13 1.4 Gemma Vall-llosera (ERICSSON) 29/1/2015
Comments: Exploitation Update based on reviewers comments
14 1.5 Romain Brenot (35L) 30/1/2015
Comments: Exploitation and Patent Update based on reviewers comments
15 1.6 Ernesto Ciaramella (SSA) 5/2/2015
Comments: Exploitation and Patent Update based on reviewers comments
16 1.7 Dimitris Klonidis (AIT) 6/2/2015
Comments: Exploitation Update based on reviewers comments
17 1.8 Josep Prat (UPC) 9/2/2015
Comments: Exploitation Update based on reviewers comments
18 1.9 Ioannis Tomkos (AIT) 9/2/2015
Comments: Overall Deliverable Review
19 2.0 Patryk Urban (ERICSSON) 9/2/2015
Comments: Overall Deliverable Review
20
Comments:
21
Comments:
D7.3 - Exploitation and Dissemination Plans and 2nd year activities COCONUT_D7.3_WP7_v2.0
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Table of Contents
1. INTRODUCTION ....................................................................................................................................... 5
2. DISSEMINATION ACTIVITIES AND PLANS ...................................................................................... 5
2.1. WEBSITE ............................................................................................................................................... 5 2.2. WEBSITE STATISTICS ............................................................................................................................ 7
2.2.1. Conclusions and 3rd year Planning ................................................................................................. 9 2.3. DISSEMINATION ACTIVITIES TO THE SCIENTIFIC COMMUNITY ............................................................. 10
2.3.1. Publications................................................................................................................................... 10 2.3.2. Workshops and conference sessions .............................................................................................. 12
3. EXPLOITATION ACTIVITIES AND PLANS ...................................................................................... 13
3.1. PATENT APPLICATIONS AND INNOVATIONS ........................................................................................ 13 3.2. EXPLOITATION PLANS PER INDUSTRIAL PARTNER ............................................................................... 14
3.2.1. BT .................................................................................................................................................. 14 3.2.2. ERICSSON .................................................................................................................................... 15 3.2.3. OPTRONICS ................................................................................................................................. 21 3.2.4. PROMAX ....................................................................................................................................... 22 3.2.5. 35L ................................................................................................................................................ 23
3.3. EXPLOITATION PLANS PER ACADEMIC PARTNER ................................................................................. 24 3.3.1. SSA ................................................................................................................................................ 24 3.3.2. AIT ................................................................................................................................................. 24 3.3.3. UPC ............................................................................................................................................... 25
4. STANDARDISATION EFFORTS ........................................................................................................... 25
4.1. CURRENT SITUATION – YEAR 1 .......................................................................................................... 25 4.2. CURRENT SITUATION – YEAR 2 .......................................................................................................... 27 4.3. COURSE OF ACTION ............................................................................................................................ 27 4.3.1. 1ST YEAR – PLANNING ......................................................................................................................... 27 4.3.2. 2ND YEAR – PLANNING ........................................................................................................................ 27 4.3.3. 3RD YEAR - PLANNING ....................................................................................................................... 28
LIST OF ABBREVIATIONS ............................................................................................................................. 32
ANNEX I .............................................................................................................................................................. 34
ANNEX II ............................................................................................................................................................ 36
PUBLICATIONS .................................................................................................................................................. 36 PATENTS ........................................................................................................................................................... 38
D7.3 - Exploitation and Dissemination Plans and 2nd year activities COCONUT_D7.3_WP7_v2.0
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1. Introduction
COCONUT comes to meet the requirements of the next generation access networks with
improved features with respect to reach, bandwidth, number of users and cost-effectiveness.
COCONUT aspires to influence the definition of NGPON3. In particular it tries to introduce
coherent detection technologies in access networks in an effort to support high-bandwidth full
and shared wavelength services to end users like businesses, residential users and mobile
traffic backhauling.
In terms of dissemination, the goal of the consortium is to clearly communicate its objectives
and achieved technology solutions to potentially interested parties with activities that targeted
both the research and the industrial community.
During the second year of the project the consortium counted 26 scientific articles in peer-
reviewed international journals and conferences, while 7 papers had been already submitted to
upcoming conferences. Moreover the COCONUT project was presented in three different
workshops. In addition targeted presentations were made to industry partners who are
potential end users of the technology under development in COCONUT.
During the second year of the project all partners updated their exploitation plans. Each
partner in this document presents more details of their exploitation plans and the identified
commercialisation prospects for the project outcomes. In addition, it is worth emphasizing
that 2 patents that were filed during the 1st year of the project, are now extended
internationally in order to protect globally the IPR developed within the project.
The consortium is following up all recent developments at the standardisation bodies and
plans to prepare a contribution with specific proposals about the possible adoption of
COCONUT related technologies/solutions at around the end of the project’s lifetime.
2. Dissemination Activities and Plans
To disseminate the project results and promote its visibility several actions were taken by the
different partners:
The project website has been regularly updated with all public information concerning
the project, including its public deliverables.
In addition to the website, project news has been communicated to the public through
various channels such as Twitter and RSS feeds.
Significant presence and presentation of the COCONUT concept and solutions at the
most relevant conferences and events in 2014.
Submission of scientific papers to the most significant journals in the field.
Presentations to potential end-users of the technology developed within COCONUT
2.1. Website
The website of COCONUT (www.ict-coconut.eu) acts as a point of reference both for the
external visitors and the consortium members. The content of the website is being regularly
D7.3 - Exploitation and Dissemination Plans and 2nd year activities COCONUT_D7.3_WP7_v2.0
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updated with information about the project concept, latest achievements, news and events.
Partner OPTRONICS, as the COCONUT dissemination leader, established and maintains the
COCONUT website. At the time of compiling this deliverable more than 14.000 visitors have
accessed our website. Apart from utilizing the project webpage as the main communications
channel, OPTRONICS has established a Twitter account (https://twitter.com/ict_coconut) and
an RSS feed to communicate the projects results, news and achievements to the interested
readership.
The COCONUT website contains a public area with:
Project Information
News and events
Publications
Public Deliverables
Information about the consortium
It also contains a restricted area with access only to the COCONUT partners. This area
enables the Consortium to manage the diffusion of the information and exchanges between
partners and contains a directory with the relevant files of the:
Working documents (Templates, Deliverables, Milestones and Task Detailed Work-
Plans)
Publications
Meeting Minutes
Project Grant
Administration Information
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Figure 1: Snapshot of the COCONUT home page.
2.2. Website Statistics
The COCONUT website includes a visitor counter, which gives a rough indication of the
project diffusion to the wider public. By the end of the 2nd year of the project, the
COCONUT website has counted more than 14.000 visitors. However, to get more precise
conclusions, the website is registered to the Google analytics service since the 30th of April
2014.
Google Analytics provides statistical data regarding the website’s traffic. The data analysis of
the traffic information gives a better understanding on the effectiveness of the dissemination
activities. The traffic data can help the consortium identify weaknesses in the dissemination
activities and improve the dissemination strategy.
Figure 2 presents the total page views of the COCONUT website. The figure also highlights
the most important conferences and workshops that may impact the website traffic. The graph
indicates almost a linear behaviour over time and the website traffic build ups constantly. A
closer examination on the pageviews over time, identifies small steps which are correlated to
the project dissemination activities. The influence of most events is noticeable on the traffic of
COCONUT website. It is worth noticing that there was a significant influence on the website
traffic at the beginning of September, which is related to website update and maintenance that
attracted additional visitors.
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Figure 2: Website total page views in time
Figure 3 presents the average pageviews during the most important dissemination events, in
comparison to the average pageviews for the total available period. The dissemination
activities of the COCONUT project during EUCNC were the most effective in terms of the
influence on the website traffic.
Figure 3: Influence of dissemination activities to website traffic
Figure 4 indicates that there is a high interest on the COCONUT website in Brazil. The CPqD
research centre in Sao Paolo is working on next-generation 10 Tbps optical systems based on
DWDM technology, and this might explain the increased number of visitors.
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Figure 4: Distribution of Unique visitor in Countries
2.2.1. Conclusions and 3rd year Planning
The traffic analysis showed a significant diffusion of the COCONUT concept on the public.
The consortium will continue to disseminate the project by highlighting the project URL for
further references. The goal for the 3rd year of the project will be to increase the influence of
the dissemination activities in comparison to the metrics presented in this report.
Moreover the consortium will try to establish communication channels with the interested
parties all over the world and in particular with identified research groups, such as in Brasil.
Such dissemination activities could potentially develop some commercial benefits for our
industrial partners.
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2.3. Dissemination activities to the scientific community
2.3.1. Publications
1st Year
During the first year of the project, the consortium had published a total of 5 scientific articles
in peer-reviewed international journals and conferences, acknowledging the project.
Journals
1. M. Presi, F. Bottoni, G. Cossu, R. Corsini, E. Ciaramella, "All DFB-based Coherent
UDWDM PON with 6.25 GHz Spacing and a > 40 dB Power Budget" , Photonics
Technology Letters, IEEE, vol. 26, no. 2, Jan.15, 2014 (accepted within 2013).
Conferences
1. M. Presi, F. Bottoni, G. Cossu, R. Corsini, E. Ciaramella et al., "A 1.25 Gb/s Low-
Cost Coherent PON", presented at ECOC 2013.
2. A. Lerín, I. N. Cano, Victor Polo, J. Tabares, Josep Prat “Simple ONU Transmitter
Based on Direct-Phase Modulated DFB Laser with Heterodyne Detection for
udWDM-PON”, Conference Proceedings, ECOC 2013.
3. G. Vall-llosera, A. Rafel, E. Ciaramella, J. Prat, "COCONUT requirements for
residential, business and outdoor scenarios", ICTON 2013.vol., no., pp.1,4, 23-27 June
2013.
Invited
1. J. Prat, M. Angelou, C. Kazmierski, R. Pous, M. Presi, A. Rafel,
G. Vall-llosera, I. Tomkos, E. Ciaramella, "Towards Ultra-Dense Wavelength-to-the-
User: The Approach of the COCONUT Project"
invited paper at ICTON 2013.
2. G. Vall-llosera, B. Dortschy, P. Urban “Small cell strategy: meeting the indoor
challenge” 2014IEEE International Conference on Communications Workshops
(ICC), 2014, pp.392-396. Ericsson had an invited talk at the ICC 2014 in Sydney
regarding the new developments on radio-over-fibre for the full fiberized Ericsson
DOT solution. In the presentation the COCONUT project was introduced and
regarded as a candidate solution for small cell backhaul due to the lambda flexibility
of the solution, and the ultra-dense grid we are targeting.
2nd Year
During the second year of the project, the consortium has published a total of 26 scientific
articles in peer-reviewed international journals and conferences, acknowledging the project.
A list of the publications and submitted papers is provided below:
Journals
1. E. Ciaramella, "Polarization-Independent Receivers for Low-Cost Coherent OOK
Systems", Photonics Technology Letters, IEEE, vol. 26, no. 6, pp. 548 - 551, Mar 15,
2014.
2. I. Cano, A. Lerín, V.Polo, J. Prat, "Direct Phase Modulation DFBs for Cost-Effective
ONU Transmitter in udWDM PONs", Photonics Technology Letters, IEEE, vol. 26,
no. 10, pp 973-975, May 2014.
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3. V. Sales, J. Segarra, J. Prat, “An efficient dynamic bandwidth allocation for GPON
long-reach extension systems”, Optical Switching and Networking, Volume 14, Part 1,
pp 69–77, August 2014.
4. M. Presi, R. Corsini, M. Artiglia, E. Ciaramella, "Using directly modulated DFBs
without power penalty in low-cost and high-power budget coherent access networks,"
Electronics Letters , vol.50, no.7, pp. 536-538, March 2014.
5. M. Presi, M. Artiglia, and E. Ciaramella, "Electrical filter-based and low-complexity
DPSK coherent optical receiver," Opt. Lett. 39, pp 6301-6303, 2014.
6. V. Sales, J. Segarra, V. Polo, J. Prat, "Statistical UDWDM-PONs operating with ONU
lasers under limited tunability," Photonics Technology Letters, IEEE , vol.27, no. 3,
pp. 257 – 260, February 2005.
7. J. Tabares, V.r Polo, I. Cano, and J.Prat, "Automatic λ-Control with Offset
Compensation in DFB Intradyne Receiver for udWDM-PON," IEEE Photonics
Technology Letters, vol. 27, no. 4, pp 443-446, February 2015.
Conferences
1. M. Presi, R. Corsini, and E. Ciaramella, "Experimental demonstration of a novel
polarization-independent coherent receiver for PONs," in OFC 2014.
2. I. Cano, A. Lerín, V. Polo, and J. Prat, "Simplified Polarization Diversity Heterodyne
Receiver for 1.25Gb/s Cost-Effective udWDM-PON," in OFC 2014.
3. G. Vall-llosera, E. Ciaramella, "Deployment Scenarios for the COCONUT UDWDM-
PON solutions", EUCNC, Paris, 2014.
4. J. Prat, E. Ciaramella, "Recent advances on the udWDM-PON for lambda-to-the-user
access", EUCNC, Paris, 2014.
5. J. Segarra, V. Sales, V. Polo and J. Prat, “Half-Duplex transmission avoiding Rayleigh
Backscattering crosstalk in UDWDM-PON with coherent receivers,” in Proc.
ICTON'14, Mo.C3.5, Graz, Austria, 2014.
6. C.N. Ververidis, I. Tomkos, D. Klonidis, A. Rafel, N. Parkin, P. Urban, J. Prat, J.
Segarra, “Control and management requirements for a coherent ultra-dense WDM
PON for lambda to the user access networks,” in Proc. ICTON, Graz, 2014.
7. J. Segarra, V. Sales, J. Prat and R. Pous, "A new flexible ONU design for UDWDM-
PON with coherent transceivers and smart activation process," in Proc. Networks,
Funchal, Madeira, 2014.
8. M. Presi E. Ciaramella, “A Full-Duplex, l-to-the-User Bidirectional PON supporting
up to 35 dB Optical Distribution Networks Loss”, Paper MO.4.1.4, Proceedings of
European Conference on Optical Communications, ECOC, Cannes, 2014.
9. R. Corsini, M. Presi, M. Artiglia, E. Ciaramella, “Simple and Low Cost 10 Gb/s
Coherent Transmission for Long Reach PON”, Paper P.7.3, Proceedings of European
Conference on Optical Communications, ECOC, Cannes, 2014.
10. G. Cossu, F. Bottoni, R. Corsini, M. Artiglia, M. Presi, E Ciaramella “High-Power
Budget OFDM-PON compatible with Ultra-Narrow Channel Spacing”, Paper
We.1.6.4, Proceedings of European Conference on Optical Communications, ECOC,
Cannes, 2014.
11. A. Lerín, I. Cano, V. Polo, J. Prat, "Polarization independent single-PD coherent ONU
receiver with centralized scrambling in udWDM-PONs," ECOC, Cannes, 2014.
12. I. Cano, A. Lerín, M. Presi, V. Polo, E. Ciaramella, J. Prat, "6.25Gb/s differential
duobinary transmission in 2GHz BW limited direct phase modulated DFB for
udWDM-PONs," ECOC, Cannes, 2014.
13. V. Polo, P. Borotau, A. Lerin, J. Prat, "DFB laser reallocation by Thermal Wavelength
Control for Statistical udWDM in PONs", ECOC, Cannes, 2014.
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14. G.Y.Chu, V. Polo, A.Lerín, I.N.Cano, J.Prat, "RSOA for UDWDM-PON," ACP,
Shanghai, 2014.
15. G.Y.Chu, A.Lerín, I.N.Cano, V.Polo, J.A.Tabares, J.Prat, "Exploiting RSOA for
uplink transmission with coherent detection for low cost UDWDM-PON," ACP,
Shanghai, 2014.
16. G. Vall-llosera, B. Dortschy, P. Urban, “Small cell strategy: meeting the indoor
challenge”, Communications Workshops (ICC), Sydney, 2014.
Invited
1. J. Prat, E. Ciaramella, “Low cost solutions implementing ultra-dense-WDM in access”
(Invited) Paper Mo.C3.4, Proceedings of 16th International Conference Transparent
Optical Networks, ICTON, Graz, 2014.
2. M. Presi, F. Bottoni, R. Corsini, G. Cossu, E. Ciaramella, “Low cost coherent
receivers for UD-WDM NRZ systems in access networks” (Invited), Paper Mo.C3.1,
Proceedings of 16th International Conference Transparent Optical Networks, ICTON,
, Graz, 2014.
3. I. Cano, A. Lerín, V. Polo, J. Prat, "Direct phase modulation of a DFB laser for
udWDM-PON," (invited) in Proc. ICTON'14, Mo.C3.3, Graz, 2014.
Submitted
1. Iván N. Cano, Adolfo Lerín, Victor Polo, Josep Prat, “First DQPSK Directly Phase
Modulated DFB Based Transmitter for Flexible Coherent udWDM-PONs”, submitted
to OFC 2015.
2. Vicent Sales, Josep Segarra, Josep Prat, “Operating Statistical UDWDM-PONs with
Dynamic Wavelength Assignment”, submitted to OFC 2015.
3. Iván N. Cano, Adolfo Lerín, Victor Polo, Josep Prat, “Time Polarization Multiplexing
with Centralized OLT Scrambling and Single-PD Heterodyne Rx in UDWDM ONU”,
submitted to OFC 2015.
4. Josep Prat, “Technologies for a Cost Effective UDWDM-PON”, invited paper
submitted to OFC 2015.
5. M.Presi, C. Kazmierski, R. Corsini, S. Faralli, J-G. Provost, R. Brenot, and E.
Ciaramella, “70mV (1.4 mA) Peak-to-Peak Drive of 1.25 Gb/s Frequency Modulated
Laser for WDM Coherent Access Network”, submitted to OFC 2015.
6. F. Bottoni, M. Presi, M. Artiglia, J. Prat, E. Ciaramella, “Coherent ONU for-to-the-
user Based on Analogue Processing”, submitted to OFC 2015.
7. M. Presi, R. Corsini, M. Artiglia, F. Bottoni, G. Cossu and E. Ciaramella, “6.25 GHz
UDWDM PON based on Directly-Modulated DFBs”, submitted to OFC 2015.
2.3.2. Workshops and conference sessions
3-5lab was one of the organizers (C.KAZMIERSKI) of the traditional European
Semiconductor Laser Workshop (ESLW2014) held 18-19 September 2014 in Paris prior to
ECOC. 3 presentations were made in conjunction with COCONUT objectives:
- G. Y. Chu, A. Lerín, I. N. Cano, V. Polo, R. Brenot, C. Kazmierski, Josep Prat,
“Minimizing the Influences of Residual AM Component of RSOA for DPSK
UDWDM-PON”
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- G. Binet, J. Decobert, N. Lagay, N. Chimot and C. Kazmierski, “AlGaInAs QW
Structures Design Investigation for Selective-Area-Growth based Photonic Integrated
Circuits”
- G. de Valicourt, C. Kazmierski, J. Decobert, N. Chimot, F. Blache, H. Mardoyan, M.
A. Mestre, P. Jennevé, J. C. Antona, S. Bigo, O. Bertran-Pardo, “Integrated
transmitters for cost-sensitive networks”
BT participated in a workshop at OFC 2014 where the COCONUT Project was presented
addressing its relation with Standardisation efforts according to BT’s views on Research and
access PON technologies.
- Workshop M1B “Just How Many Versions of Standards-
based PON Systems Does the Industry Need?”,
organised by Denis Khotimsky, Verizon, US, and
Fabrice Bourgart (France Telecom, France)
o BT presentation: “EU FP7 COCONUT Project”,
Albert Rafel
AIT organised and Dr. I. Tomkos Chaired an open international workshop (held at AIT’s
premises on May 9th 2014) under the auspices of COCONUT and other EU projects. The title
of the one-day workshop is “Optical Communication Systems and Networks: From Research
to Innovation”. This workshop brought together academia, industry, entrepreneurs, Venture
Capitalists and funding agencies working on telecommunications networks with an emphasis
on optical communication systems and networks. Speakers from universities and research
centres, companies, as well as the head of sector "Internet of Things and Optical Networks",
European Commission were invited. Prof. Ernesto Ciaramella (SSSA) and prof. Josep Prat
(UPC) were invited to present their views with the following talks:
- Josep Prat: “Next Generation Broadband Optical Access Networks”
- Ernesto Ciaramella: “How R&D activities between a major Company and a University
Lab can successfully flourish: the Pisa example of SSSA and Ericsson".
This workshop enabled interactions of the COCONUT partners with other EU projects but
also with the Greek telecom market and entrepreneurial ecosystem.
3. Exploitation Activities and Plans
The following section describes the exploitation plans and activities per consortium partner.
The plan of each partner for the exploitation of the COCONUT results was reported in detail
in the COCONUT DoW. Following the end of the 2nd reporting period in M24 this deliverable
summarizes the up-to-date status and any performed activities.
3.1. Patent Applications and Innovations
Although COCONUT just completed its second year, 2 inventions developed within
COCONUT have shown substantial innovation to be protected by a patent. These patents
have been filed nationally during the first year of the project. During the second year both
patents have being extended for international filing.
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SSA Inventor: E. Ciaramella, M. Presi
Title: "Independent Polarization Coherent Receivers"
Status: Patent filed to Italian Patent Office, and currently is extended internationally.
35L
Inventors: C.Kazmierski, A.Garreau
Title: “Integrated semi-conductor IQ modulator and transmitter without phase modulation and
control”
Status: Patent filed in Europe, and is now extended to US.
3.2. Exploitation plans per industrial partner
3.2.1. BT
After the second year of activities in the COCONUT Project, BT is still (if not more)
confident that some of the technologies may fit in the current and future Standardisation
efforts.
FSAN and ITU-T Q2/SG15 are currently developing the Recommendations for the NG-PON2
system. An initial document for the PMD Layer has just been finally approved (G.989.2) and
another initial document for the TC-Layer (G.989.3) is currently the main activity focus and it
is expected to be consented by July 2015 during the next ITU-T SG15 plenary meeting.
BT and AIT collaborated towards possible contributions to the TC-Layer studies (that was
beyond the scope of the DoW) during the second year of the COCONUT project, i.e. during
2014. Specifically on the activation process and required times to activate non-calibrated
ONUs, where the ONU transmitting wavelengths needs tight control and guidance from the
OLT in order to hit the right OLT channel (upstream wavelength). Due to lack of resources
and the need to prioritise the focus on the technical activities that are covered by the DoW,
this activity did not concluded with a specific standards contribution.
FSAN and ITU have already started working towards an Amendment of G.989.2 to finalise
certain aspects that were not considered as essential for the first approved document, which
will include further aspects of the PMD layer such as an Auxiliary Management & Control
Channel to activate non-calibrated ONUs within the TWDM-PON system, and to carry all
management & control traffic for the PtP WDM channels that require complete transparency
for the client traffic (e.g. CPRI used in mobile Front-Haul). The activities on the G989.2 Am1
and, similarly, for the G.989.3 Am1, which opens the opportunity for COCONUT to
contribute to these efforts.
The studies on coherent technologies for both the ONUs and the OLTs, which are being
addressed within the COCONUT project are showing promising initial results both on
performance and reduced cost (as per Deliverable 2.2 where BT was a key contributor). If
these initial results can be confirmed during the final year of the project, it could open the
possibility to incorporate them in the NG-PON2 systems if accepted by the Standards
community and incorporated into existing ITU Recommendations. BT foresees that the higher
Power Budgets defined in G.989.2 of 35dB for which there is no current transceiver technical
solution without resort to optical amplification, are a clear target for the COCONUT coherent
technologies.
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During the third year of the COCONUT Project BT will identify those specific technologies
that are suitable to be presented in FSAN towards the NG-PON2 activities and will make the
contributions targeting the FSAN meeting in October 2015.
On the other hand, pending the results of the studies of the final year, and as it has always
been one of the objectives, BT will promote the COCONUT results within the Standards
bodies so its concept and technologies can be a candidate for a future generation of PON
systems. BT would also work towards promoting the COCONUT concepts among the wider
research and commercial communities in the access space.
3.2.2. ERICSSON
At Ericsson, we strive to connect everyone, wherever they may be. By being connected,
people can take part in the emerging global collaboration that is the Networked Society – a
society in which every person and every industry is empowered to reach their full potential.
Our services, software and infrastructure – especially in mobility, broadband and the cloud –
are enabling the communications industry and other sectors to do better business, increase
efficiency, improve their users’ experience and capture new opportunities.
The COCONUT architecture and technical solution are to be exploited for mobile broadband
and the cloud to some extent. Mobile broadband comes with the introduction of small cells,
Cloud by enabling high capacity optical links. We will discuss the exploitation plans for
mobile broadband.
Mobile broadband
Radio networks are evolving towards the deployment of small cells. Depending on the area to
cover and the capacity needs one or another deployment solution can be chosen. Ericsson
considers five key scenarios that would cover the need of a small cell deployment. In all these
five scenarios, COCONUT proposes two main solutions (see figure below): A) CPRI
transport (fronthaul), B) packet/Ethernet transport (backhaul).
Figure 5. COCONUT solutions for two different application scenarios: a) mobile fronthaul where the traffic to
transport is CPRI; b) mobile backhaul, where the traffic to transport is packet or Ethernet.
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In scenario A, CPRI, we would exploit the 2.5G- 10G WTTU COCONUT solution since
CPRI is a high-bandwidth demanding digital interface. For the second case, B, the 1G WTTU
COCONUT solution would be good enough.
Scenario 1: City street/square This considers an outdoor deployment of small cells. In this scenario it is very important the
visual pollution, so small cells will have to be integrated with other urban elements, for
example, light poles, building facades, advertisement posts, etc. The figure below shows what
could be the Ericsson product portfolio solutions for such a deployment and where
COCONUT could be of benefit.
Figure 6. Ericsson product portfolio options for city street/square showing where and which COCONUT solution could apply. RBS: radio base station, mRRU: micro remote radio units.Source: Ericsson,
heterogeneous network handbook.
Café/restaurant Café and restaurant comprises any indoor deployment where there is a high concentration of
users. In these venues the outdoors-in coverage is very poor because of the high wall
penetration loss and would benefit of a small cell deployment. The figure below identifies
where the COCONUT solution could be applied.
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Figure 7. Ericsson product portfolio options for café/restaurant showing where and which COCONUT solution
could apply. Source: Ericsson, heterogeneous network handbook.
Transport for train station/mall This corresponds to an indoor deployment where the concentration of users is high but they
occupy a larger surface than a café or restaurant. Also users are more mobile than the previous
scenario. In these type of buildings the key challenge is to be able to reuse physical locations,
cabling, ducts, etc. Below we show a possible deployment strategy using Ericsson products
and also when the COCONUT solution would apply.
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Figure 8. Ericsson product portfolio options for train station/mall showing where and which COCONUT solution could apply. AP: access point. Source: Ericsson, heterogeneous network handbook.
Stadium
Stadiums comprise both indoor and outdoor deployments where there is a higher
concentration of users in a limited area compared to the restaurant/ café solution. Also the
traffic characteristics here are different than a public hotspot. The uplink is heavy loaded as
compared to downlink.
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Figure 9. Ericsson product portfolio options for stadium showing where and which COCONUT solution could
apply. Source: Ericsson, heterogeneous network handbook.
Office enterprise solution This scenario considers small, medium and large enterprises, hotels and high-rise buildings,
all indoors. As in any indoor deployment, outdoor-in coverage is challenging because a brick-
based building has a penetration loss between 10-30 dB which results in poor data rates, thus
poor quality of service. Below we show how this scenario could benefit from a small cell
deployment and where it would make sense to use COCONUT technology.
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Figure 10. Ericsson product portfolio options for office showing where and which COCONUT solution could
apply. Source: Ericsson, heterogeneous network handbook.
Special case, Ericsson RDS (radio dot system)
The Ericsson Radio Dot System, RDS, is a breakthrough solution to indoor mobile coverage
and capacity demands, to effectively connect indoor users to the whole mobile eco-system.
The Ericsson Radio Dot System is targeting larger office enterprise buildings, commercial,
hospitality and residential buildings with similar requirements as office enterprise. The RDS
solution comprises CPRI transmission between the indoor radio unit and the digital unit and
there we could exploit the COCONUT solution A.
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Figure 11. Ericsson RDS solution architecture and COCONUT network opportunities. IRU: indoor radio unit, DU: digital unit.
The COCONUT wavelength plan supports up to 256 optical channels in a single fibre. This
gives us 128 bidirectional CPRI links. This implies that we can cover 128 indoor radio units
(IRUs). That means a single COCONUT-PON is able to connect some 8x128 =1024 RDS
radio heads! While any legacy PON technology (GPON, XGPON, NGPON2) will be limited
by the splitting ratio (32, 64, 128).
Calculated radio capacity in a CPRI link using COCONUT technology
Finally, with a simple calculation we would like to highlight the benefits of using the
COCONUT technology in COCONUT solution A as presented above.
Let us define some initial considerations:
Line rate 10Gbit/s CPRI per direction
320 MHz radio capacity per wavelength channel (using 16 radio signals)
Max # of lambdas to use =256 for 0dBm transmitted power per wavelength channel
COCONUT channel spacing 12.5 GHz
Using the premises above, the total radio capacity of COCONUT network is:
320 MHz *256 C- lambdas=81920 MHz
In order to achieve the same radio capacity when using the standardized ITU-T grid we need
to go up to 50 GHz channel spacing and use the full S+C+L bands, which is not feasible due
to the need for compatibility with legacy deployments.
3.2.3. OPTRONICS
OPTRONICS has significant expertise in the deployment and operation of optical networks
and is currently leading two pilot programs in Greece offering FTTH services. During the first
two years of the project’s lifetime, OPTRONICS has gained significant knowledge on the
novel coherent technologies of COCONUT.
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From the beginning of the project OPTRONICS identified COCONUT solution as a
commercial opportunity. OPTRONICS exploitation plan is to deploy and assess COCONUT
in a real field trial, as a follow-up of the laboratory tests performed by the project partners.
To achieve this goal, OPTRONICS spent effort to disseminate the concept of the project as
well its results to the incumbent and the alternative operators in Greece. The main objective of
these activities was to get the approval from them to pursue the possibility to deploy
COCONUT system in a pilot program.
OTE (incumbent operator in Greece) had been initially contacted during the 1st year
workshop in Athens. The key directors of OTE’s Research and Development department,
were informed about the concept of COCONUT and its capabilities. OPTRONICS received a
positive feedback and followed up with more targeted activities.
During the 2nd year of the project OPTRONICS continued to pursue the opportunity to
deploy COCONUT solution in Greece. Although the project solutions are in an early
prototype stage, OPTRONICS took the initiative and made a provisional agreement (LOI)
with OTE to deploy COCONUT solution as a pilot program in the test bed in Rhodes
Marinas. The Marina includes offices, commercial premises and private berths. The current
architecture is a PON system that offers broadband services to the users (boats) through
optical fiber. OTE has expressed its interest to seek upgrading schemes, such as the
COCONUT setup. A pilot program is agreed to take place after the completion of the project
and based on the availability of the terminal equipment. Being based on foreground of the
project COCONUT, the above pilot will be regulated by the guidelines of the Consortium
Agreement.
The interest of both OTE and Rhodes Marina is presented by means of signed letters in the
Annex I of this document.
Moreover, Optronics sees a business potential in the transceivers currently developed by UPC
and is considering the possibility to develop them further them in the Greek and international
market.
3.2.4. PROMAX
The work carried out during the second year of COCONUT’s project has demonstrated the
overall feasibility and high competitiveness of PROMAX’s “High Resolution Optical
Spectrum Analyzer” (HR-OSA) in the European market. Cutting-edge instruments coming
from vendors such as APEX, EXFO, JDSU, AGILENT and ARAGON PHOTONICS, have
been studied in order to develop a cost effective solutions.
Regardless of COCONUT’s success and exploitation in any European optical network, the
HR-OSA will be introduced in the market, since it is compatible with other current
technologies.
Therefore, PROMAX will perform the following actions, which constitute the exploitation
plan:
First, it will be analysed the patentability of HR-OSA’s design. If potential patentable idea is
identified, its convenience, cost and international extension will be studied.
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Next, the manufacturing cost to mass-produce the equipment is going to be calculated.
Although COCONUT’s proposal already includes costs of optical components available in
the market, the final prototype (April’15) will allow a deeper analysis of real costs.
Besides, further developments are going to be identified in order to expand both commercial
and industrial potentials of the HR-OSA. Since the target market of the HR-OSA is not
expected to be very large, it is necessary to study possible applications such as:
HR-OSA as a laboratory instrumentation and/or handheld equipment for field
applications (Telco and Spectrography markets),
tunable laser for spectroscopy in biomedical applications, Telco (field equipment or
equipment for OLTs) or OCT (optical coherent tomography)
balanced optical receivers for Telco applications
Technical and commercial information of the equipment’s specifications will be drawn. The
concept portable field measurement equipment is shown in the image below.
Finally, it will be presented in exhibitions and forums (ECOC and NFOEC 2016), and
introduced to potential customers.
It is expected to be launched as a product offering during the third quarter of 2016.
3.2.5. 35L
During the COCONUT project, 35L has evaluated some of their devices as low-cost emitters
for coherent access networks. Some other devices will be evaluated during the last year of the
project by the partners. Finally, the most promising devices will be tested during the final
experiments.
If COCONUT devices provide superior performances compared to commercial ones, 35L will
be able to provide an industrial path with the adequate supply chain. These agreements will
depend on the considered volumes, and on internal aspects.
The detailed exploitation plan will strongly depend on the impact of the project, both in terms
of volumes and standardization impact.
In parallel to these industrialization aspects, 35L will also exploit the results of COCONUT
for other applications. In any case, 35L would be able to provide a follow-up of the project, at
least on the device delivery aspects.
More generally, 35L supporters (e.g. Alcatel-Lucent) are involved in standardization and on
system delivery, also for access networks. The evolution of these networks combines an
increase of the bit-rate and of the number of wavelengths, while keeping quite stable optical
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budgets. Within COCONUT, 35L evaluates a large increase of the wavelengths together with
an increase of the optical budget, while keeping a stable bit-rate. The increase of the optical
budget is a very interesting feature, since it allows for an extension of the reach and of the
splitting ratio, on condition that the cost and complexity of the proposed approach remains
reasonable compared to the existing technologies. In this perspective, the outcome of
COCONUT will provide guidance to the company for the future evolution of access
networks.
3.3. Exploitation plans per academic partner
3.3.1. SSA
Knowledge Transfer (KT) activities are at the core of the Scuola Superiore Sant’Anna’s
mission. The Scuola Superiore Sant'Anna has a specific KT Office, which has a significant
experience in KT activities and can rely on numerous important collaborations with
companies and public research institutions. Various spin-off companies, employing a total of
more than 180 people, have stemmed from the Scuola Superiore Sant'Anna’s laboratories.
Some of these companies are commercializing patents owned by the Scuola Superiore
Sant'Anna.
Through the activities of the KT Office, the Scuola Superiore Sant'Anna is committed to fully
exploit public research results and supporting the competitiveness of Italian companies. The
Scuola Superiore Sant'Anna helped found the Network for the Exploitation of Research
(www.netval.it) and the Association of Incubators (www.pnicube.it). It is also a member of
the European Network of Knowledge Transfer Offices “Proton” (www.protoneurope.org) and
founded the “Club of Spin-off Companies”.
Based on this experience, SSA has confidently filed a patent, now extended at international
level, on a new type of polarization-independent coherent receiver. As an academic partner,
SSA will mostly aim at exploiting that patent in cooperation with the KT Office. The KT
Office will offer assistance in the assessment of the patent, patent assignment offers, and
granting of exclusive and non-exclusive licenses for the industrial realization of technologies
(until 2012, about 20% of the patents had been assigned or licensed to Italian and foreign
companies). To this aim, a key role will be played by the final integration experiments, to be
carried out on the Pisa fibres, which, if successful, will strongly enhance the visibility of the
COCONUT proposed solutions and increase the possibility of commercialization.
3.3.2. AIT
In the following paragraph we identify the potentially exploitable areas of the research carried
out by AIT within COCONUT. It is noted that AIT (as a non for profit research and
educational institute) is not obliged to submit a detailed exploitation plan.
The main area of research for AIT is related with the development of the COCONUT MAC in
FPGA boards following the specifications defined in WP5. Beyond the needs of the project,
the goal is to develop a protocol emulation platform in FPGA, on top of which AIT will be
able to develop and test different access network protocols and resource allocation techniques.
The experimentation platform is expected to strengthen AIT’s development and testing
capabilities in the specific field, increasing the collaboration potentials with other partners and
the industry sector, leading potentially to new funding opportunities.
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A second area of exploitable research for AIT is related with the techno-economic and energy
consumption studies. The studies performed within COCONUT task 2.2 in conjunction with
the development work in WP3, enriches AIT’s knowhow with respect to the cost and power
consumption of the new coherent technologies for access. AIT exploits its knowhow in
network deployment and cost evaluation studies through consultancy services offered to
operators and the public sector. A major study has offered a few years ago to one of the
largest operators in Greece, while a related study is currently performed in collaboration with
the incumbent operator of Greece. A deployment and cost evaluation study is agreed to be
offered to a large municipality, while discussions are planned also with other public sector
groups.
Finally, it is noted that the full potentials for the exploitation of the COCONUT research
outcomes will be explored primarily after the completion of the WP5 (T5.4) activities and
following the successful testing outcomes in the final test-bed.
3.3.3. UPC
Implementation plans UPC will develop in WP6 susbsystems that are engineered as prototypes able to be adopted
for production by COCONUT partners or future clients; specifically for example:
- a wavelength-manageable low cost laser unit, with non-preselected statistical
wavelength and limited tuning for coherent systems.
- a fast, high resolution and low cost optical spectrum analyzer with udWDM spectrum
monitoring, control and management functions, in development with Promax
- a low cost coherent ONU using DPSK modulation and full duplex real time operation
integrated with the new statistical spectrum manager.
UPC will closely work with partners to assemble the COCONUT demonstration test-bed in
practical conditions, in terms of simplicity, cost, operation, consumption, environmental
tolerances and scalability. The demonstrations will have strong disseminations to maximize
the project visibility and impact in the European industry. If convenient, UPC will consider
the possibility of funding a start-up to commercialize COCONUT subproducts.
On the other hand, UPC is performing theoretical and experimental tests to validate the
compatibility of COCONUT with previous PON generations coexisting in the same ODN.
This will lead to some guidelines for a possible contribution to standardization bodies by the
representative partners.
4. STANDARDISATION EFFORTS
4.1. Current Situation – Year 1
The COCONUT approach covers solutions for the next generation optical access. This
indicates the relevance of fora and standardization groups that deal with the definition of the
next generation PON such as FSAN, IEEE and ITU-T. IEEE 802.3 finalized the 802.3av
10Gbps EPON specification in Sept 2009 and are currently studying the possibility to start a
new project on a NG-EPON towards higher capacities in the last mile. ITU-T's next
generation standard following on from G-PON is the G.987 for 10G-PON known as XG-
PON.
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In search for a more flexible and scalable solution, the FSAN Group and ITU-T Q2/SG15 are
working on a future fibre access generation (termed NG-PON2). Although FSAN is not a
standards definition organisation, their output is submitted to ITU-T Question 2 in the Study
Group 15 to facilitate the development of global PON standards. The first result was the
description of the drivers and requirements that any candidate PON system needed to meet.
There were a number of candidate proposals that were discussed being the most intensively
investigated the following approaches:
- WDM/TDMA scheme by stacking XG-PON systems (10G per wavelength) with
tuneable ONUs
- General WDM-PONs with tuneable or colourless ONUs.
- Single-carrier 40Gbit/s TDMA-PON
- SCM/OFDMA-PONs with direct detection
- OCDMA with electrical or optical correlation coding.
- Ultra-Dense Wavelength Division Multiplexed (UDWDM) PON networks with
coherent receivers
The main proposals for NG-PON2 achieve different levels of performance and meet a number
of requirements, but not all at the same time, which can be of interest in a wide range of
application scenarios, once the technological hurdles are solved.
In early 2012 the operators in FSAN decided to select TWDM with OOK modulation as the
primary solution for NGPON2. DWDM-PON (ptp via DWDM over a PON ODN) was also
accepted as an optional overlay.
The NGPON2 physical layer (PMD) definition was in its final stage at ITU-T and it was
initially consented in December 2013 (G.989.2). “Recommendation ITU-T G.989.2 specifies
the physical media dependent (PMD) layer requirements for a passive optical network system
with a nominal aggregate capacity of 40 Gbit/s in the downstream direction and 10Gbit/s in
the upstream direction, hereinafter referred to as NG-PON2. NG-PON2 is a flexible optical
fibre access network capable of supporting the bandwidth requirements of mobile backhaul,
business and residential services. Furthermore, this recommendation describes optional
configurations to extend beyond this nominal capacity as the G.989 series of standards allows
for multiple upstream and downstream line rates.
NG-PON2 wavelength plan is defined to enable the coexistence through wavelength overlay
with legacy PON systems (see [ITU G.989.1]). The transmission convergence (TC) layer is
based on Recommendation ITU-T G.987.3, with unique modifications for NG-PON2 captured
in Recommendation ITU-T G.989.3. The ONU management and control interface (OMCI)
specifications are described in Recommendation ITU-T G.988 for NG-PON2 extensions.
This recommendation specifies the characteristics of hybrid time and wavelength multiplexed
channels, hereinafter referred to as TWDM PON. The characteristics of, optional, tuneable
point-to-point wavelength overlay channels are also described, hereinafter referred to as PtP
WDM PON.
The TWDM PON described in this Recommendation represents a further development from
the systems described in the ITU-T G.984 and G.987 series. To the greatest extent possible,
this Recommendation retains the requirements of ITU-T G.984.1 and G.987.1 to ensure
maximal reuse of existing technology and compatibility with deployed optical access systems
and optical fibre infrastructure.” (from the summary of recommendation ITU-T G.989.2).
Nonetheless, COCONUT is not targeting an alternative to NGPON2 but rather aspires to
influence the definition of NGPON3.
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4.2. Current Situation – Year 2
Currently, the standardization activities of the NG-PON2 system are defined in the
Recommendation ITU-T G.989 series and the status is as follows:
Recommendation ITU-T G.989 : Definitions and conventions
Recommendation ITU-T G.989.1: General requirements
Recommendation ITU-T G.989.2: Physical media dependent (PMD) layer
specification (Consented in December 2013 and approved in December 2014 after all
the Last Call Comments were finally resolved).
Recommendation ITU-T G.989.3: Transmission convergence (TC) layer specification
(draft in progress)
o Based on G.987.3, with wavelength control and 10G upstream added
o Target for consent is July 2015
Recommendation ITU-T G.9082 9 (ex G.multi) = Wavelength control layer
o Meant as a general framework for TWDM-systems, of which G.989 is one
o Consented in December 2014
Recommendation ITU-T G.984.5 Am2= Wavelength coexistence
o Consented April 2014
Recommendation ITU-T G.988 = ONU management and control interface
o Standard in force, can be easily reused for TWDM
o An Amendment to include specific elements for NG-PON2 will be started in
2015
An Amendment to G.989.2 has already started and it is foreseen that after the consent of an
initial recommendation for the TC-Layer (G.989.3) and Amendment will also be started.
4.3. Course of Action
4.3.1. 1st Year – Planning
When a suitable solution can be identified in the COCONUT activities, it can be proposed and
discussed within the FSAN Group where BT currently holds the position of co-chair of the
NGPON Task Group.
Once the solution has been discussed and agreed within the FSAN Group, the next step would
be to bring it to the ITU-T for standardisation.
The innovations that the work in COCONUT could bring about, would be applied either to
enhance certain features of the NG-PON2 solution currently being defined in FSAN/ITU or
for a future system (NG-PON3).
4.3.2. 2nd Year – Planning
The 2nd year planning included a contribution to FSAN on the ONU activation times when
using non-calibrated transmitters. However this effort fell through as explained in the above
Section 3.2.1.
Potentially it was also envisaged to bring some of the COCONUT results on the PMD Layer
to the FSAN activities. However, non-definitive results and continual activities within the
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COCONUT Project led to the decision of delaying such contributions until these activities
would be finalised and a clearer picture obtained to take to FSAN.
4.3.3. 3rd Year - Planning
Specifically, BT will identify those specific technologies developed in COCONUT that are
susceptible of being useful in an enhanced NG-PON2 targeting high power budget classes
over ODNs that are based on Optical Power Splitters.
From Table 1/G.989.2 “ODN Optical Path Loss Classes (ODN Classes)” there are 4 classes
defined: Class N1 (29dB), N2 (31dB), E1 (33dB), and E2 (35dB)
Class N1 Class N2 Class E1 Class E2
Minimum optical path loss 14 dB 16 dB 18 dB 20 dB
Maximum optical path loss 29 dB 31 dB 33 dB 35dB
Maximum differential optical path loss 15 dB
Table 1: illustration of ODN Classes in G.989.2
There is currently no technical transceiver solution for classes higher than N1 without using
optical amplification.
The coherent technologies developed in COCONUT may offer a solution to realise such
classes. This includes both the TWDM-PON system and the PtP WDM PON system over
such ODNs based on optical power splitters.
BT plans to prepare a contribution on the COCONUT achievements and specific proposals,
which will be shared with the FSAN Group towards October 2015. BT will coordinate with
relevant partners in COCONUT to prepare this contribution.
BT considers that there is no more scope to contribute to the Standards efforts towards the
TC-Layer (i.e. G.989.3)
Finally, and as has already been mentioned in different occasions, BT will promote the
COCONUT achievements within the Standards bodies in any future study towards a future
PON system activity.
Ericsson is present in two groups of the Broadband Forum (BBF), the fiber access network
working group (FAN), and the operations and network management working group (OAM).
Within the FAN group we are monitoring the working texts (WT): WT- 280, WT-301 and
WT-352. Together with another unit at Ericsson we will revise what parts of the COCONUT
could be applicable to an already existing working text or a future one. Thus, whenever
relevant, COCONUT results will be presented there. Below there is a summary of the relevant
working texts as per last release.
WT-352: The purpose of this working text is to specify a protocol that is executed between
the OLT Channel Terminations and, based on the architecture and functional descriptions
outlined in ITU-T Recommendation G.989.3, enables wavelength channel management
within an NG-PON2 system.
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WT-280: Taking a similar approach to TR-101 and its TR-156 derivative, the purpose of this
document is to specify the requirements for deploying GPON and XGPON1 in the context of
a TR-178 architecture.
As an insight, the TR-178 document presents a set of architectures for a broadband multi-
service network, addressing typical infrastructures, topologies and deployment scenarios, and
specifies associated nodal requirements. These include copper and fibre access architectures
to support business and residential, fixed and mobile, wholesale and retail markets. TR-178
specifies multiservice capabilities beyond the layer 2 based architecture of TR-101 and the
associated TR-156, which specifies the requirements for deploying GPON within a TR-101
architecture.
WT-205: The purpose of this Working Text is to provide the technology-specific management
model for GPON and XG-PON1. The Broadband Forum has specified in TR-156 the use of
GPON or XG-PON1 as the access technology in an Access Node that is part of the TR-101
Ethernet aggregation architecture. TR-141 specifies the management model for a TR-101
Access Node where the access technology is assumed to be DSL. TR-141 does not specify
the management model for DSL and points to such a model in TR-242; it is primarily about
the management of Ethernet and higher functionality. TR-156 introduces some additional
management requirements that impact the management model in TR-141 and so an issue 2 is
being developed to incorporate the necessary changes. TR-141i2 will be largely agnostic to
the underlying access technology apart from pointers to the management models for the
access technology.
WT-312: The purpose of this Working Text is to capture the management requirements of the
Service Providers to enable appropriate specification of the management models and
operations at the NMS-EMS interface.
The Broadband Forum has produced Technical Reports that specify the functionality of
Access Nodes where the access technology is DSL, in TR-101, and where the access
technology is GPON, in TR-156. Management models have been produced, TR-141and TR-
169 for the Ethernet Management aspects of TR-101 Access Nodes and work is in the
progress to extend them for GPON Access Nodes in an up issue of TR-141 and in WT-
205.There is also work proceeding in the TMF on GPON Management. There is also
management capability for ONUs/ONTs detailed in the OMCI of G.988.
It is not clear what of this abundance of management capabilities is actually required by
Service Providers and in particular what management models and operations should be
available at the interface between a Service Provider’s NMS and the EMS that manages the
Access Node and associated optical line management equipment.
WT-318: The architecture and requirements for FttDP are the subject of WT-301. Although
there are similarities of FttDP with other types of concatenated fibre and copper access
systems, e.g. FttCab, GPON ONUs there are also some very different aspects, e.g. Reverse
Power Feeding, small node size, new copper technology (G.fast), low power consumption,
etc. There are also some functions in an FttDP node that do not exist in other systems. These
differences impact the management requirements for the FttDP node. This Working Text
addresses these impacts; it specifies the management architecture and requirements and the
management models for the component parts of the FttDP architecture.
WT-311: With the fast growth of FTTx, rapid deployment and effective maintenance of a new
passive fiber network (i.e. an Optical Distribution Network, ODN) have become major
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challenges for operators. Service provisioning and maintenance of ODN have been inefficient
and inaccurate with the following major flaws:
a. Massive number of fibers identified manually with paper labels
b. Work orders delivered in hard copy
c. Manual fiber connections not verified accurately with a manual check.
d. Port resources are updated by manual input with low efficiency and inaccuracy.
This reliance on paper records and manual actions leads to inefficiency and errors. The
purpose of the Fiber infrastructure management systems (FIMS) is to remove the tendency for
errors and increase efficiency by providing the means to reduce the manual actions involved
in service provisioning and maintenance, and automate the recording of data and verification
of correct manual actions.
Ericsson’s position: In general, the BBF work concentrate on the already standardized
technologies: GPON and XGPON1, only WT-352 is targeting NGPON2. Results from WP5
might be applicable to WT-352, WT-205, WT-312, and WT-318. Results from WP2 could be
applicable to WT-280, but it is yet to be seen. Evaluation of where COCONUT could make an
impact is under study and it will be considered during the year.
COCONUT compatibility with legacy PON systems
One important aspect in a future PON system are the types of Optical Distribution Networks
(ODN) it can use , as well as the co-existence with legacy PON systems such as G-PON, XG-
PON and the recently standardized NG-PON2.
The need for co-existence comes from the operational requirement of upgrading individual
customers without impacting the services of the other customers on the same ODN. Error!
Reference source not found. shows a co-existence scenario where the ODN architecture is
based on splitting technologies and where a Coexistence Element (CE) should be used to
allow the concurrence of the different PON systems.
Figure 12: Co-existence scenario between COCONUT and legacy PON systems.
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Considering this aspect, it will be important to define some guidelines, considering the studies
done by COCONUT partners about udWDM and coherent detection technologies
(COCONUT specs), co-existence and migration scenarios for:
1. UPC will support COCONUT partners as BT contributing to FSAN and ITU in the
process for standardization of a new Recommendation NG-PON3; further studies will
allow to define the requirements of the CE (bandpass bandwidth, adjacent channel
isolation (IA), non-adjacent channel isolation (INA), and minimum guard bands) to
allow co-existence with legacy PONs.
2. A suitable definition of the CE element and its parameters will allow a better
dimensioning of the network considering that the COCONUT channels are more
robust to interference caused by other PON systems and, in the opposite case, the
interference caused by COCONUT over other PON systems can be insignificant in the
case of PSK or FSK. This will lead to narrowing down the guard bands to a fraction
nm, and will allow allocating more udWDM channels as it was explained in
deliverable D2.3.
3. Having a reference for the specifications of CE element and the minimum guard bands
that complement the specifications presented in the standard ITU-T G.984.5 to give
guidelines to vendors and operators in the fabrication, design and implementation of
udWDM PON as COCONUT. These results will be validated and presented in the
COCONUT demo and field trial, and in next international congresses, especially to
potential future industrial takers of the udWDM-PON technology.
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List of abbreviations
CE Coexistence Element
COCONUT Cost-Effective Coherent Ultra-Dense-WDM-PON For Lambda-To-The-User
Access Networks
CPRI Common Public Radio Interface
DoW Description Of Work
DPSK Differential Phase Shift Keying
DSL Digital Subscriber Line
DWDM Dense Wavelength Division Multiplexing
ECOC European Conference On Optical Communications
EMS Element Management System
ESLW European Semiconductor Laser Workshop
EU European Union
EUCNC European Conference On Networks And Communications
FIMS Fiber Infrastructure Management Systems
FPGA Field-Programmable Gate Array
FSAN Full Service Access Network
FttDP Fiber To The Distribution Point
FTTH Fibre To The Home
FTTx Fibre To The X
GPON Gigabit Passive Optical Network
HR-OSA High Resolution Optical Spectrum Analyzer
ICC International Conference On Communications
ICT Information And Communication Technology
ICTON International Conference On Transparent Optical Networks
IEEE Institute Of Electrical And Electronics Engineers
IPR Intellectual Property Rights
ITU International Telecommunication Union
ITU-T ITU - Telecommunication Standardization Sector
KT Knowledge Transfer
LOI Letter Of Intent
MAC Media Access Control
NFOEC National Fiber Optic Engineers Conference
NGPON Next Generation Passive Optical Networks
NMS Network Management Systems
OCDMA Optical Code-Division Multiple-Access System
OCT Optical Coherent Tomography
ODN Optical Distribution Networks
OFC Optical Fiber Communication
OLT Optical Line Termination
ONU Optical Network Unit
PMD Physical Medium Dependent
PON Passive Optical Network
PtP Point-To-Point
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R&D Research And Development
RSS Rich Site Summary
SCM Superposition Coded Modulation
TC Transmission Convergence
TDM Time Division Multiplexing
TDMA Time Division Multiple Access
TR Technical Report
TWDM Time And Wavelength Division Multiplexing
UDWDM Ultra Dense Wavelength Division Multiplexing
URL Uniform Resource Locator
WDM PON Wavelength Division Multiplexing Passive Optical Network
WT Working Texts
WTTU Wavelength To The User
XG-PON 10 Gigabit PON
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Annex I
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Annex II
Publications
1. M. Presi, F. Bottoni, G. Cossu, R. Corsini, E. Ciaramella, "All DFB-based Coherent
UDWDM PON with 6.25 GHz Spacing and a > 40 dB Power Budget" , Photonics
Technology Letters, IEEE, vol. 26, no. 2, Jan.15, 2014 (accepted within 2013).
2. M. Presi, F. Bottoni, G. Cossu, R. Corsini, E. Ciaramella et al., "A 1.25 Gb/s Low-
Cost Coherent PON", presented at ECOC 2013, paper We.3.F.
3. A. Lerín, I. N. Cano, Victor Polo, J. Tabares, Josep Prat “Simple ONU Transmitter
Based on Direct-Phase Modulated DFB Laser with Heterodyne Detection for
udWDM-PON”, Conference Proceedings, ECOC 2013, Paper We.2.F.4.
4. G. Vall-llosera, A. Rafel, E. Ciaramella, J. Prat, "COCONUT requirements for
residential, business and outdoor scenarios", ICTON 2013.vol., no., pp.1,4, 23-27 June
2013.
5. J. Prat, M. Angelou, C. Kazmierski, R. Pous, M. Presi, A. Rafel,
G. Vall-llosera, I. Tomkos, E. Ciaramella, "Towards Ultra-Dense Wavelength-to-the-
User: The Approach of the COCONUT Project"
invited paper at ICTON 2013.
6. G. Vall-llosera, B. Dortschy, P. Urban “Small cell strategy: meeting the indoor
challenge” 2014IEEE International Conference on Communications Workshops
(ICC), 2014, pp.392-396. Ericsson had an invited talk at the ICC 2014 in Sydney
regarding the new developments on radio-over-fibre for the full fiberized Ericsson
DOT solution. In the presentation the COCONUT project was introduced and
regarded as a candidate solution for small cell backhaul due to the lambda flexibility
of the solution, and the ultra-dense grid we are targeting.
7. E. Ciaramella, "Polarization-Independent Receivers for Low-Cost Coherent OOK
Systems", Photonics Technology Letters, IEEE, vol. 26, no. 6, pp. 548 - 551, Mar 15,
2014.
8. I. Cano, A. Lerín, V.Polo, J. Prat, "Direct Phase Modulation DFBs for Cost-Effective
ONU Transmitter in udWDM PONs", Photonics Technology Letters, IEEE, vol. 26,
no. 10, pp 973-975, May 2014.
9. V. Sales, J. Segarra, J. Prat, “An efficient dynamic bandwidth allocation for GPON
long-reach extension systems”, Optical Switching and Networking, Volume 14, Part 1,
pp 69–77, August 2014.
10. M. Presi, R. Corsini, M. Artiglia, E. Ciaramella, "Using directly modulated DFBs
without power penalty in low-cost and high-power budget coherent access networks,"
Electronics Letters , vol.50, no.7, pp. 536-538, March 2014.
11. M. Presi, M. Artiglia, and E. Ciaramella, "Electrical filter-based and low-complexity
DPSK coherent optical receiver," Opt. Lett. 39, pp 6301-6303, 2014.
12. V. Sales, J. Segarra, V. Polo, J. Prat, "Statistical UDWDM-PONs operating with ONU
lasers under limited tunability," Photonics Technology Letters, IEEE , vol.27, no. 3,
pp. 257 – 260, February 2005.
13. J. Tabares, V.r Polo, I. Cano, and J.Prat, "Automatic λ-Control with Offset
Compensation in DFB Intradyne Receiver for udWDM-PON," IEEE Photonics
Technology Letters, vol. 27, no. 4, pp 443-446, February 2015.
14. M. Presi, R. Corsini, and E. Ciaramella, "Experimental demonstration of a novel
polarization-independent coherent receiver for PONs," in OFC 2014.
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15. I. Cano, A. Lerín, V. Polo, and J. Prat, "Simplified Polarization Diversity Heterodyne
Receiver for 1.25Gb/s Cost-Effective udWDM-PON," in OFC 2014.
16. G. Vall-llosera, E. Ciaramella, "Deployment Scenarios for the COCONUT UDWDM-
PON solutions", EUCNC, Paris, 2014.
17. J. Prat, E. Ciaramella, "Recent advances on the udWDM-PON for lambda-to-the-user
access", EUCNC, Paris, 2014.
18. J. Segarra, V. Sales, V. Polo and J. Prat, “Half-Duplex transmission avoiding Rayleigh
Backscattering crosstalk in UDWDM-PON with coherent receivers,” in Proc.
ICTON'14, Mo.C3.5, Graz, Austria, 2014.
19. C.N. Ververidis, I. Tomkos, D. Klonidis, A. Rafel, N. Parkin, P. Urban, J. Prat, J.
Segarra, “Control and management requirements for a coherent ultra-dense WDM
PON for lambda to the user access networks,” in Proc. ICTON, Graz, 2014.
20. J. Segarra, V. Sales, J. Prat and R. Pous, "A new flexible ONU design for UDWDM-
PON with coherent transceivers and smart activation process," in Proc. Networks,
Funchal, Madeira, 2014.
21. M. Presi E. Ciaramella, “A Full-Duplex, l-to-the-User Bidirectional PON supporting
up to 35 dB Optical Distribution Networks Loss”, Paper MO.4.1.4, Proceedings of
European Conference on Optical Communications, ECOC, Cannes, 2014.
22. R. Corsini, M. Presi, M. Artiglia, E. Ciaramella, “Simple and Low Cost 10 Gb/s
Coherent Transmission for Long Reach PON”, Paper P.7.3, Proceedings of European
Conference on Optical Communications, ECOC, Cannes, 2014.
23. G. Cossu, F. Bottoni, R. Corsini, M. Artiglia, M. Presi, E Ciaramella “High-Power
Budget OFDM-PON compatible with Ultra-Narrow Channel Spacing”, Paper
We.1.6.4, Proceedings of European Conference on Optical Communications, ECOC,
Cannes, 2014.
24. A. Lerín, I. Cano, V. Polo, J. Prat, "Polarization independent single-PD coherent ONU
receiver with centralized scrambling in udWDM-PONs," ECOC, Cannes, 2014.
25. I. Cano, A. Lerín, M. Presi, V. Polo, E. Ciaramella, J. Prat, "6.25Gb/s differential
duobinary transmission in 2GHz BW limited direct phase modulated DFB for
udWDM-PONs," ECOC, Cannes, 2014.
26. V. Polo, P. Borotau, A. Lerin, J. Prat, "DFB laser reallocation by Thermal Wavelength
Control for Statistical udWDM in PONs", ECOC, Cannes, 2014.
27. G.Y.Chu, V. Polo, A.Lerín, I.N.Cano, J.Prat, "RSOA for UDWDM-PON," ACP,
Shanghai, 2014.
28. G.Y.Chu, A.Lerín, I.N.Cano, V.Polo, J.A.Tabares, J.Prat, "Exploiting RSOA for
uplink transmission with coherent detection for low cost UDWDM-PON," ACP,
Shanghai, 2014.
29. G. Vall-llosera, B. Dortschy, P. Urban, “Small cell strategy: meeting the indoor
challenge”, Communications Workshops (ICC), Sydney, 2014.
30. J. Prat, E. Ciaramella, “Low cost solutions implementing ultra-dense-WDM in access”
(Invited) Paper Mo.C3.4, Proceedings of 16th International Conference Transparent
Optical Networks, ICTON, Graz, 2014.
31. M. Presi, F. Bottoni, R. Corsini, G. Cossu, E. Ciaramella, “Low cost coherent
receivers for UD-WDM NRZ systems in access networks” (Invited), Paper Mo.C3.1,
Proceedings of 16th International Conference Transparent Optical Networks, ICTON,
, Graz, 2014.
32. I. Cano, A. Lerín, V. Polo, J. Prat, "Direct phase modulation of a DFB laser for
udWDM-PON," (invited) in Proc. ICTON'14, Mo.C3.3, Graz, 2014.
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Patents
1. E. Ciaramella, M. Presi, "Independent Polarization Coherent Receivers" Patent filed to
Italian Patent Office and currently is extended internationally.
2. C.Kazmierski, A.Garreau“Integrated semi-conductor IQ modulator and transmitter
without phase modulation and control”, Patent filed in Europe, and is now extended to
US.