Rnp Rno Process

7/29/2019 Rnp Rno Process

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RNP-RNO

PROCESSES

RNP-RNO

10rd Dec 2008


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Forecasting (1)

Marketing

Forecast

Traffic Trend

Analysis

New site numbers


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Site Acquisition (2)

Hexagon/Grid PlanningTraffic TrendsCoverage Requirements

Nominal Site Location

Candidate Ranking & Selection

SiteSurvey


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Site Commissioning (3)Site Design

Data fill & Frequency Planning

Build, Installation & Commissioning

Drive Test & Optimisation


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Nominal Planning

Map data Propagation models


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Nominal Planning

Coverage design thresholds: Adopt thresholds based on link budget calculations

Traffic: Use Asset for planning traffic distribution

Database:Accurate site database and regular program site auditsto maintain database integrity

Site templates:RF engineers of Network Planning Dept. have created aseries of standard site templates in Asset for use innominal planning


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Site Surveys

Site survey Process:1. RF Planners survey all nominal sites

2. RF Planners adjust the nominal plan

3. Nomination takes place only after complete analysis ofoptions


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Site Build

Full documentation (including drawings) ofagreed design after site survey Mast drawings

Antenna locations

Feeder runs

Transmission equipment positioning

Unnecessary site visits sometimes required

to confirm site details


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Data fill & Frequency Planning

RF Engineers of Network Planning use theinformation to plan BSS parameters (newsites & neighbour sites):

OMC Parameters: default parameters except in someespecial sites.

RF Parameters

Neighbours

Frequency


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Initial Optimisation

Base on Driving Test & KPIs monitoring

Checking neighbours, interference, and KPIs Need to change RF Parameters (azimuth,

tilt,..) & adjust OMC parameters for this newsite & neighbours sites if necessary.


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RADIO NETWORK OPTIMISATION PROCESS

Aims of This Presentation Overview of current rollout processes

KPIs and KPIs threshold are used

Radio Network Optimisation is a continuousprocess to improve the existing service qualityand provide additional capacity and coveragebased on demand Identification and rectification of performance affecting

problems, within the constraints of existing networkinfrastructure

Changes to network design to allow for growth


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RADIO NETWORK OPTIMISATION

Keeping an eye on the network performance to find out problem areas

Tracking down and resolving particular problems once the problematic area isidentified

RoutinePractices Processes

Two Step Process!


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KPIs (Key Performance Indicators) Monitoring

Customer Complaints

NHA

Network Downtime Report Generation

Weekly Traffic Report


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Existing Processes

Site Check Process

Drive Test Process

CTP Analysis Process

Neighbour Planning Process

Frequency Planning Process


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Network Problems Identification and

Rectification Process

Customer Complaint Problems locatedthrough KPIs

Thorough Drive Test ANDKPI Monitoring of problem

area/site

CTP Analysis

Drive test, Equipment Check,Equipment Calibration and PowerCheck of the problem site/sites

ProblemSolved?

Customer Complaint Deliveredto Technical Management of

Operator

TechnicalMeetings

Network StatisticsDelivered to Planning

and of Operator

NO


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Neighbour IssueOR

Change in Antenna

Tilt/ AzimuthRequired?

YES

NO

FrequencyChange

Required?

Request Form forchanges

ChangesImplemented

Start of the

Process

New ConfigurationInformation Distributed

YES


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CTP Analysis OMC carries out a detail analysis of that customers calls using

Call Trace Product.

Results from CTP analysis are used for

The initiation of site hardware check for the problem sites.

Answer the customers by Customer Care Group

N t k P bl Id tifi ti d


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Network Statistics taken by OMC: This statistics file mainly contain:

Downtime Report Summary (whole network)

Following Network Statistics (hourly):

Call Setup Success Rate

Call Success Rate Call Volume

Drop Call Rate

Handover Failure Rate

Handover Success Rate

OUT_INTER_CELL_HO_FAIL_RECOVER

SDCCH Blocking Rate

TCH_BLOCKING_RATE_OUT_ZONE

TCH Mean Holding Time

TCH Traffic Carried


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Site Hardware Check:

Use for problem areas and sites

Power check out port TRX at top cabinet

Calibration of TRX (of Motorola)

Check all the feeders and ANT using VSWR meter

BTS testing equipment

GCLK calibration

Battery Check

External Alarms


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Network Problems Identification and Rectification Process

Drive Test and KPI Monitoring of Problem Areas/Sites:

After carrying out a proper hardware check

KPIs are monitored again to see if the issue has been resolved or not

If the problem still exists, then a thorough drive test of the problemarea and sites is planned and conducted by Network Planning Team

Problem Resolving

Decides whether the problem is due to a neighbour issue or a changein antenna tilt and azimuth is required (based on drive test resultsand KPI values)

Changes in frequency are considered if the problem does not appearto be due to a neighbour or antenna issue. The Planning Team

determines the new frequencies.


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Network Growth Plan Process

Network Statistics taken by OMC:

Focus on traffic and control channel statistics:

Call Volume

SDCCH Blocking Rate

TCH_BLOCKING_RATE_OUT_ZONE

TCH Mean Holding Time

TCH Traffic Carried


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Network Growth Plan Process

Blocking/ congestion on sites Analyse the daily traffic statistics for each site from 8am to 10

am and 5pm to 7pm everyday

Sites having TCH blocking rate equal or greater then 10% aremarked

Based on the statistics, sites existing configuration, availablehardware etc, a decision is taken:

TRX, TRE addition (Motorola, Alcatel,..)

New Site Share the traffic by available neighbour cells (no available

equipment)


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THANK YOU !

Rnp Rno Process

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