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Wimax the Cure for Rural Broadband ARICENT
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Transcript of Wimax the Cure for Rural Broadband ARICENT
8/3/2019 Wimax the Cure for Rural Broadband ARICENT
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WiMAX: The Cure for
Rural Broadband
September, 2009
ISP
Internet
Backbone
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WiMAX: The Cure for Rural Broadband
3
Requirements and Challengesfor Rural Broadband DeploymentsWhile rural broadband deployments can utilize the same technologies which are used in urban areas, they are not
particularlywell-suitedgiventhespecicrequirementsandchallenges,including:
•Speed to Market: Speed to market is critical, especially in the U.S. where stimulus funds will be disbursed by September
2010, and networks need to be deployed within 2 years.
• Infrastructure-Related Concerns: As mentioned previously, the CAPEX/
OPEXinvolvedindeployingandmaintainingxed-linenetworksfor
rural deployments are very high. Due to the low population density in
theseareas,costsoflayingoutcopperorberinfrastructureinthe“last
mile” increases due to the limited aggregation opportunities available.
Additionally, securing bandwidth for the “middle mile” from the ISP
to the Internet backbone is a challenge, both in terms of availablebandwidth, as well as expenses.
•Data Rate Requirements: Although the data rate requirements for rural
broadband networks can be expected to be lower than in urban areas,
ISPsneedtosupportFCCdenitionsofbroadbanddataratesviz.,768
kbps for downlink and 200 kbps for uplink .
•Deployment Flexibility: Unlike urban networks which have similar requirements across the entire deployment area,
requirements for rural networks e.g., number of users to be supported, data rate requirements, service requirements, etc.
differfromoneareatoanother.Thus,thebroadbandsolutionneedstobeexibleenoughtoprovidesurgicaldeployment
options,basedonarea-specicrequirements.
•Mobility and Value Added Services: To compensate for the high expenses and lower-priced basic services, operators need to
offer value added services which can help increase subscriber ARPU and improve the economic viability of these networks.
WiMAX: The Ideal Solution for RuralBroadband DeploymentsAs operators around the world evaluate multiple technologies for rural broadband deployments, WiMAX is emerging as a de-
facto standard. The advantages offered by WiMAX include:
• Infrastructure Effectiveness: WiMAX offers a highly cost effective solution to address the rural broadband conundrum as
physicalinfrastructureneednotberolledouttoindividualcustomerpremisesonthelastmile.Thissignicantlyreduces
the overall cost and the time-to-market in deploying the network.
• Suitable Data Rate Support: WiMAX is a mature 3.9G wireless broadband technology and can easily support the FCC-
mandated broadband data rates and more.
“ISPs need to support FCC
definitions of broadband data
rates namely, 768 kbps for
downlink and 200 kbps for
uplink”
FCC ChairmanKevin J. Martin
June 2009
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•Surgical Network Deployment Opportunities: WiMAX allows operators to surgically choose deployment options and focus onspecicareaswherethereisstrongdemand.Capacityexpansionscanbeaddressedeasilybyupgradesinthedatacenteranddo not require any physical infrastructure onsite.
•Mobility and Value Added Services: Mobility is a key differentiator with WiMAX, enabling the network subscriber to roamout of the home network, and also support roamed-in macro/peer network subscribers. WiMAX also allows operators to
offervalue-addedservicessuchaslocation-basedserviceswhicharetypicallynotavailablewithxedtechnologies,andcan help improve the ARPU from rural areas.
•Spectrum Concerns: WiMAX spectrum has typically been less expensive worldwide as compared to 3G licenses.Additionally, with FCC opening up the 3.65 Ghz range for WiMAX, smaller operators can deploy rural broadband networkswith no spectrum-related concerns.
WiMAX-based Rural Broadband Deployments
Rural Deployment Topology
Inkeepingwiththedemandsofruralgeographies,operatorscanchoosetodeployWiMAXnetworksindifferentcongurations,based on the level of integration needed across individual networks. Some deployment options include:
• Fully Independent Networks: These are networks catering to either a town or a cluster of villages or a small county. In this
scenario, there is no sharing of information across the network cores from a NMS, OSS, BSS or subscriber management
perspective, and hence, each network is a fully independent entity. This topology is suited for a network roll out where
operators are merely looking to get the network operational. Support for mobility or realizing economies of scale from
centralizing the core network are not major considerations.
• Partially Independent Networks: These networks are similar to the fully independent networks described above. However,
the individual networks share a common subscriber database, which facilitates mobility and roaming across the different
networks. This is a natural evolution path for fully independent networks as the number of subscribers, or the need to
support mobility, increases.
WiMAX: The Cure for Rural Broadband
4
IPNetwork
NMS/ OSS/ BSSSolution
R6
R6
R6
R4
R6
R6
R6
BS BSBS BS
BS BS
NMS/ OSS/ BSSSolution
ASN, HA, AAA ASN, HA, AAA
County 1 County 2
Independent Networks per Village Cluster
IPNetwork
R6
R6
R6
R4
R6
R6
R6
BS BSBS BS
BS BS
ASN, HA, AAA ASN, HA, AAA
Centralized NMS/ OSS/ BSSSolution w/ Centralized
Subscriber Database
County 1 County 2
Independent Networks per Village Cluster w/Centralized Subscriber Database
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WiMAX: The Cure for Rural Broadband
5
•Centralized Core Network: The centralized core network is the ideal topology for an operator with a large deployment of
individual rural networks. This core provides a rural aggregation solution catering to multiple counties or a single large
state. This topology extends centralization of core network functionality beyond subscriber database integration, to
functionssuchasdatatrafc,NMS,OSS,etc.Itprovidesoperatorsaneffectiveplatformtolaunchvalue-addedservices
andmovebeyondactingasadatapipeforInternettrafc.
Implementation Considerations for WiMAX Rural Broadband Deployments
As operators look to deploy WiMAX-based solutions to service the rural broadband market, there are a few important
implementation-relatedconsiderationswhichcansignicantlyimpactthesuccessoftheofferedservices.
•Deployment Topology: The operator needs to decide which network topology to use, based on a careful evaluation of the
marketwherethenetworkisexpectedtobedeployed.Dependingontheirspecicstrategiesandmarkets,operatorscan
either choose to start with independent deployments or with the complete centralized core network deployments. However,
itisimportantthatthechosenWiMAXsolutionofferawell-denedevolutionpathfromade-centralizedarchitecturetoa
centralized one.
• CAPEX and OPEX: From a CAPEX perspective, operators need to consider deployments which support a “pay as you
grow” model and allow them to adjust their network investments based on service uptake. Optimization of OPEX needs
to be ensured by the simplicity of the network in terms of the number of nodes deployed, number of failure points, and
manageability by single NMS.
• Service Expectations: Though rural deployments have less stringent requirements in terms of throughput and
latency, operators need to ensure that end user expectations of services offered, mobility, and issue resolution are
addressed effectively.
•Need for Innovative Applications: While WiMAX is an ideal technology to support innovative applications which can improve
ARPU from rural subscribers, it is important that the chosen platform provides the necessary framework and tools to launch
such applications effectively, with limited need for additional investment.
R6
R6 over GbE
2000-3000 subscriber per PoP
Network ManagementSystem Border Gatewayand Internet Gateway Router
Geographically distant areas. Cluster of villages/ towns
Access Concentrator,Aggregator, L2 Switch.T3 toGigabit Ethernet (Gbe)(optional)
Edge Router with QoS, trafficShaping, MPLS, VLAN,Policing and PolicyEnforcement
Internet, PublicData Network
W I N G
W I N G
Routed traffic for internet
R4 Interface for handover, R3interface for roaming, Internettraffic
Locally hosted ApplicationServer. e.g. VoIP Server,MIS and Applications server,VOD server, Intranet Webservers, Policy and ActiveDirectory server etc.
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WiMAX: The Cure for Rural Broadband
6
Aricent Solutions for Rural Broadband Networks
Aricent offers a WiMAX network-in-a-box software solution, WiMAX Integrated Gateway (WING), designed for equipment vendors
looking to provide WiMAX-based rural solutions in a short time-frame using pre-packaged and pre-optimized software. At its
heart, WING consists of an ASN-Gateway integrated with an AAA server and HA server on the same physical node.
Aricent’s WING product is an ideal low footprint solution for rural markets, with low CAPEX and OPEX requirements and
supporting100-20000simultaneousattachedsubscribers.Itisahighlyexiblesolution,designedtoworkintandemwiththe
existingMacro/PeerWiMAXnetworks,andprovidesecureservicetobothlocalandroamed-insubscribers.Itsexiblelicensing
scheme allows box licensing based on number of subscribers, Base Stations or data throughput.
Aricent’s WING comes with an array of WiMAX features ideal for rural deployments including User Authentication (EAP-TTLS),Offline Accounting, IP Mobility, Handoff, Idle Mode/Paging, all QoS classes and both IP and Ethernet Convergence sub-
layer. The product executes persistent storage of subscriber billing and also provides an intuitive interface for subscriber
and node monitoring/management. WING is compliant to the WiMAX Forum® NWG R1 rev1.2 specification and is
designed for high interoperability with the multi-vendor mobile WiMAX Access Network and Core Network Nodes.
WiMAX Services and Support
Aricent has the resources, knowledge, and experience to support
rapid, cost-efficient, and high quality product development, network
design and implementation projects. Aricent can ensure the success of
WiMAX solutions deployment, with a wide offering of WiMAX services,
which include:
•WiMAXWINGSupportandCustomizationServices
•WiMAXDesignandDevelopmentServices
•WiMAXOSSandBSSSolutionsandServices
•WiMAXPlanningandInstallationServices
IncomingRoamers
OutgoingRoamers
BS
WiMAX IntegratedGateway (WING)
External ASNExternal CSN
Internet
Intranet
Billing System
• Breadth of Offerings (Products
and Services)• Proven Success of WiMAX Offerings
• Partnerships and InteroperabilityCredentials
• Deep Industry Knowledge
• Financial Stability
• Best-in-Class Support
Key Considerations in Choosing a Strategic WiMAX Partner
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WiMAX: The Cure for Rural Broadband
7
The Aricent Advantage
It is critical for equipment manufacturers and system integrators to choose the right partner to co-create the rural WiMAX
solution and ensure the best alignment to operator requirements, commercial success, and future viability.
Aricent is a market leader in the communications software industry. A culture of innovation and the extensive experience of our employees help us deliver a full spectrum of exciting service offerings throughout the entire communications business
lifecycle. Aricent also has more than 125 software products – ranging from complex applications to network core technology
– that enable the world’s leading equipment manufacturers, device manufacturers and service providers to introduce new
experiences,improvetime-to-revenueandmaximizeefciency.
Aricent today leads the communication software space and has been a pioneer in providing components for the networks
of the future. With comprehensive offerings in both wire-line and wireless technologies spanning GSM/GPRS, 3G, LTE,
WiMAX, VoIP and IMS, Aricent offers a variety of components, from basic building blocks like protocol stacks, to higher
value toolkits and frameworks. From strategy to implementation, Aricent solves the most complex, high-impact software
problems being faced by communications companies today.
ConclusionRural broadband penetration has grown at an unprecedented rate in the last few years, and with initiatives from various
governments, this growth rate can only be expected to increase. WiMAX, with its technology superiority and deployment
friendliness, is the ideal technology to serve the needs of rural broadband markets, and provide economically viable
solutions. With proven white label WiMAX product offerings, deep domain expertise in WiMAX technology, and turnkey
product lifecycle and customization services, Aricent is ideally positioned to partner with equipment manufacturers in
providing high quality and cost-effective rural broadband solutions.
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WiMAX: The Cure for Rural Broadband
C O R P O R A T E O F F I C E
700 Hansen Way
Palo Alto, CA 94304-1388
USA
Phone +1 650 391 1088
www.aricent.com
© 2009 Aricent Inc. All rights reservedAll Aricent brand and product namesare service marks, trademarks or registered marks of Aricent Inc. in theUnited States and other countries. Alother marks are the property of theirespective owners. September, 2009
WPR02091809
About AricentAricent is a global innovation, technology and services company focused exclusively on communications. Aricent com-
bines the leading innovation capabilities of frog design with unparalleled domain expertise in communications as a stra-
tegic supplier to the world’s foremost infrastructure, application and service providers. The company’s investors include
Kohlberg Kravis Roberts & Co., Sequoia Capital, The Family Office and The Canadian Pension Plan Investment Board.
For More InformationTo learn more about Aricent’s WiMAX solutions, and how we can help address your rural broadband solution needs,please visit us at www.aricent.com/wimax .
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Communications consulting
Application developmentInfrastructure design, R & D and sustenanceNetwork/ service/ OSS/ BSS integrationTesting and maintenance
CoreServices
UniqueOfferings
Deep communications domain knowledgeUnique innovation/ implementation combinationComplete products and frameworksEmerging market Expertise (India, China, Mexico, etc)