RANOP2 00 RU10 vs 2.0 Introductions

7/28/2019 RANOP2 00 RU10 vs 2.0 Introductions

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Soc Classification level

3G RANOP II

RU10

content of chapters

Nokia Siemens Networks





Course Objectives

• Explain how NSN RRM/RAN-KPI in 3G

RU10 is working, what can be improvedwithin OSS

• Describe the RAN/PI potentials of network

tuning

• Identify the relations between RAN-

KPI/Counters and entities• Describe impacts of parameter database

and NW performance

• Describe the main 3G RAN measurements

& KPIs & proposed target value to them





Course Content

OSS-Optimization material contains:

Module 1 – KPI definition & overview (58 pages)

Module 2 – Performance monitoring & data analysis (79 pages)

Module 3 – Air interface and neighbor optimization (95 pages)

Module 4 – Capacity management & optimization (156 pages)

Module 5 – Paging and inter-RNC optimization (36 pages)





Module 1 – KPI definition & overview

Objectives

At the end of the module you will be able to:• Describe 3G RAN main classification and principles of optimization

• Measurements & KPIs & proposed target value to them

• Describe the affecting network performance counters

• Describe the content in RU10 reporting suites


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KPI overview

Principles of 3G network optimizations

Principles of performance measurements and KPI classification

Examples for KPI construction

- Call Setup Failure Rate,

- Call Setup success rate

- Blocking Rate,

- Call Drop Rate,

- HO Failure Rate

- Statistic examples

Reporting suites

- Classes of counters,- main existing KPI

- examples of statistics





Module 2 – Performance monitoring & data analysis

Objectives

At the end of the module you will be able to:Describe 3G RAN performance monitoring process within R99/R5/6

High level KPIs -> PIs -> Counters

Busy Hour problematic & reporting periods

RRC/RAB setup/access failure

Session setup failure (NRT, HSDPA, HSUPA)

SHO/ISHO session/event failures

HSDPA setup & throughput and their failures

List possible reasons for failures & improvement activities





Performance monitoring

KPI analysis hierarchy

Call/Session setup monitoring & analysis

Release 99: call setup (RRC/RAB)

R99: Call Drop

- Radio link failure rate

- Radio link success rate

R99: Mobility (SHO, HHO, ISHO)

HSDPA setup

HSDPA mobility (Serving Cell Change)

RRC states

Appendix

- failure events





Module 3- Neighbour & RF Optimization

Objectives

At the end of the module you will be able to:

• Describe the main measurement elements/parameters to optimize

neighbour cells,

• Describe measurement methods to identify KPI’s for neighbour list

optimization

• Match counters with KPI to tune the overall NW performance

• Learn how neighbours & RF optimization can be done with tools

(Optimizer2.0 and E-NAPS)





Air interface and neighbor optimization

Air interface improvement potentials (QoS)

- Ec/Io (quality vs. RSCP)

- little i (cell overlap by Tx PwR)

- UL/DL performance (Tx PwR/RTWP)

- CQI benchmark (quality)

- AMR features

Propagation Delay

Neighbour optimization methods

- cell matrix evaluations,

- CPICH PwR overshooting, CPICH Ec/Io

- cell overlap and impact of RT/NRT traffic





Air interface and neighbor optimization

Adjacency based measurements

- advanced measurement methods for neighbours

- SHO overhead, filters, margin offsets

- E1A/E1B window offset analysis

NetAct tools (optimiser)

- detected cell reporting automatic neighbour planning

- Detected set measurements





Module 4 – Capacity Management

Objectives


• Describe 3G RAN traffic, load, blocking due to different

szenarious

• Describe 3G monitoring and potentials of capacity enhancement

load features

• Describe 3G/HSPA counters & KPI’s to improve capacity by lessblocking





Capacity optimization

Principles of Capacity Monitoring

- Counter & KPI definitions,

- Counter & KPI work flow, potentials of NW improvements

Monitoring of R99 Blocking due to…

- Air Interface TCP / RTWP,

- Channel Cards, Code Tree,

- UTRAN interface load Iub, Iur

- RNC processing load






Monitoring of HSPA Blocking due to …

- Air Interface TCP / RTWP,

- Channel cards, code tree,

- Interface load Iub, Iur,

- RNC processing load

- maximum numbers of users

- non blocking situations,

-due to dynamic HSDPA Power setting

Monitoring of R99 traffic

- air interface load at TCP / RTWP (UL/DL) and at PRACH und S-CCPCH,

- channel card load, code tree occupation on different levels of SF,

- Interface load at Iub/Iur

- RNC load






Monitoring of HSPA traffic

- air interface load at TCP / RTWP (UL/DL)

- channel card load, code tree occupation at SF16,

- Interface load at Iub/Iur,- RNC load

- number of user load

Cell performance (capacity)

- Throughput at cell & WBTS level,

- Throughput at RNC/NW, interface Iub/Iur level

- Service performance RT (CS, streaming)/NRT (INT&BGR) within R99/R5/6





Module 5 – Paging and inter-RNC optimization

Objectives


• Describe SRNC relocation issues

• Describe Paging Procedure & Performance





Paging and inter-RNC optimization

Paging Performance in 3G

- Cell PCH Performance

Re-location

RANOP2 00 RU10 vs 2.0 Introductions

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