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Transcript of GB_AF_POP_03_C1 ZTE Radio Network Planning and Optimization Workbook-26
GB_AF_POP_03_C1
ZTE GSM-BSS After-Sales Competency
Certification Training Manual (03)
ZTE Radio Network Planning & Optimization
Workbook
Curriculum Objective:
Learn ZTE network Survey and pre-planning relevant procedures
Learn ZTE after-sale employees responsibility and jobs during
network Survey and pre-planning
Reference:
ZTE Radio Products Network Planning & Optimization Relevant
Workbook
ZTE Radio Products Network Planning & Optimization Relevant
Management Codes
i
Contents
1 Network Survey Instruction...................................................................................................................... 1
1.1 Scope................................................................................................................................................. 1
1.2 Normative Referenced Documents ................................................................................................... 1
1.3 Terms and Definition......................................................................................................................... 2
1.3.1 Network pre-planning ............................................................................................................ 2
1.3.2 Network Planning................................................................................................................... 2
1.3.3 Emulation Analysis ................................................................................................................ 2
1.4 Network survey flow......................................................................................................................... 2
1.5 Survey Preparation............................................................................................................................ 3
1.6 Project Survey ................................................................................................................................... 4
1.7 Summary of Survey Results.............................................................................................................. 5
1.8 Check Survey Results and Contract .................................................................................................. 5
1.9 Signing Project Survey Report.......................................................................................................... 6
2 Network Pre-planning Guide .................................................................................................................... 7
2.1 Scope................................................................................................................................................. 7
2.2 Normative Reference ........................................................................................................................ 7
2.3 Terms and Definition......................................................................................................................... 8
2.3.1 Pre-Planning........................................................................................................................... 8
2.4 Network Pre-planning Flow.............................................................................................................. 8
2.5 Planning Project Kickoff................................................................................................................... 9
2.6 Demands Analysis........................................................................................................................... 10
2.7 Propagation Model Test .................................................................................................................. 11
2.8 Scale Estimation.............................................................................................................................. 11
2.9 Pre-planning Site Survey .................................................................................................................12
2.10 Filter Network Emulation ..............................................................................................................12
2.11 Compile pre-planning report..........................................................................................................13
3 Propagation Model Test and Correction Guide .....................................................................................15
3.1 Scope ...............................................................................................................................................15
3.2 Normative Reference .......................................................................................................................15
3.3 Terms and Definition .......................................................................................................................15
3.3.1 Radio Network Planning.......................................................................................................15
3.3.2 Radio Propagation Model Test..............................................................................................16
3.3.3 Radio Propagation Model Correction ...................................................................................16
3.4 Propagation Model Test and Correction Workflow .........................................................................16
3.5 Identify Demand by Initial Communication ....................................................................................18
3.6 Prepare Propagation Model Tool .....................................................................................................18
3.7 Site Survey.......................................................................................................................................19
3.8 Select Test Route .............................................................................................................................19
3.9 Establish Propagation Model Test Environment..............................................................................20
3.10 Data Collection ..............................................................................................................................20
3.11 Check and Accept Test Data ..........................................................................................................20
3.12 Summary of Propagation Model Test ............................................................................................21
3.13 Propagation Model Correction.......................................................................................................21
3.14 Summarize Propagation Model Correction Efforts .......................................................................22
1
1 Network Survey Instruction
Knowledge Points
This chapter provides basic flows for network survey, and responsibility & tasks in
whole flow for relevant persons, including client, project manager, survey
engineer, network planning engineer.
1.1 Scope
This workbook specifies the responsibility and procedures for the engineers in network
planning & optimization department, mobile division, ZTE, during network survey.
This workbook adapts to home and abroad radio network survey projects for network
planning & optimization department.
1.2 Normative Referenced Documents
This workbook refers to following enterprise codes during compilation. If no date is
written in enterprise codes, in fact, the valid version shall be the newest standard issued
online.
Q/ZX 40.1010 Quality Manual
Q/ZX 75.1610 Engineering Specification
Q/ZX 75.1620 Engineering Quality Supervision & Management
Q/ZX 75.1851.1 International After-Sale Service Procedure – International
Market Project Management
Q/ZX 75.1851.2 International After-Sale Work Procedure – Open Engineering
Q/ZX 75.1851.3 International After-Sale Work Procedure – After-Sale Data Archive
Management
GB_AF_POP_03_C1 ZTE Radio Network Planning and Optimization Workbook
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1.3 Terms and Definition
1.3.1 Network pre-planning
Network pre-planning means to propose demands for before-sale, and provide
before-sale capacity estimation, network scale estimation, emulation analysis for
operators, its aim is to provide data support for before-sale tendering.
1.3.2 Network Planning
Based on capacity, coverage, and other special demands from customers, in
combination with terrain & physiognomy features in coverage range, we design
reasonable and feasible radio network layout and relevant parameters, to meet
customer demands with minimum investment.
1.3.3 Emulation Analysis
Emulation analysis means after survey at site is completed, do emulations analysis for
network topology (mainly frequency planning topology) using relevant emulation
software. Its main aim is to check whether this frequency planning meets relevant
indices of network operators.
1.4 Network survey flow
Network survey flow is shown in Figure 1.4-1.
1 Network Survey Instruction
3
Figure 1.4-1 Network survey flow
1.5 Survey Preparation
● Purpose: identify survey purpose, familiar with its content, and prepare survey
tools
GB_AF_POP_03_C1 ZTE Radio Network Planning and Optimization Workbook
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● Person in charge: project manager
● Input: e-map, contract, project information
● Output: survey schedule
● Work content:
(1) After receiving the notification of signing Contract, you shall consult Contract
and Technical Protocols to identify Contract configuration and technical
requirements.
(2) Learn project terms and schedule; then contact local office and users.
(3) Learn customer base resource, refer to contract requirements, predict survey
term, negotiate survey date with customer, compile project survey schedule and
task order, and confirmed by company leaders.
(4) Survey by contract interface, be familiar with hardware configuration in the
contract, do planning and survey.
(5) Prepare tools required (multimeter, tapeline, GPS, a box and needle, telescope,
camera, etc.), carry relevant Project Survey Report to working area.
1.6 Project Survey
● Purpose: do project survey, collect data
● Person in charge: network planning engineer
● Input: project information
● Output: site information list
● Work content:
(1) With customers, we do site survey for the project according to the project in
Project Survey Report, and do detailed records based on demands.
(2) Collect necessary network planning data, such as antenna direction angle,
altitude, possible interference sources.
(3) Sampling on the propagation models in different directions for the site.
(4) Contact method of property management department, keys storage.
1 Network Survey Instruction
5
(5) In special case, remark it at remarks (for later negotiation and installation).
(6) Confirm site survey result by signature.
1.7 Summary of Survey Results
● Purpose: settle and summarize survey results
● Person in charge: network planning engineer
● Input: site survey information list
● Output: site information summary
● Work content:
(1) After survey, settle results, draw up project interface division diagram, fill in
Project Survey Report.
(2) If site conditions don’t match with actual application, you shall communicate
with users and negotiate it, to get a common recognition after collecting
comments, during which important matters shall be listed in individual matter
memorandum.
(3) If the equipment provided by user is not consistent with that required under
normal operation, you shall recommend user do project modification as soon as
possible, to improve operation environment for equipment.
1.8 Check Survey Results and Contract
● Purpose: check survey results and compare it with contract, ensuring data
accuracy
● Person in charge: Project manager and survey engineer
● Input: survey information summary
● Output: survey information summary
● Work content:
(1) Check whether site quantity and scale are consistent with that in contract.
(2) Check whether survey information is complete.
(3) Check whether there is the site inconsistent with installation condition.
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(4) Check whether format of site information lists are consistent.
1.9 Signing Project Survey Report
● Purpose: confirm survey results by both parties
● Person in charge: engineering design personnel
● Input: survey information
● Output file: project survey report
● Work content:
After both parties get common recognition for survey results, the persons in
charge from both parties will confirm on Project Survey Report by signature and
stamp.
7
2 Network Pre-planning Guide
Knowledge Points
This chapter gives out basic work flow of ZTE GSM network pre-planning and work
content & responsibility scope for relevant persons.
2.1 Scope
This guide clarifies the steps required to finish pre-planning job based on customer
demands, and work content & relevant departments and persons in charge in different
phases after pre-planning task is delivered. It specially defines input & output
documents in different phases from preparation to completion of pre-planning task.
This guide provides direction for network planning & optimization staff during
network pre-planning.
This guide adapts to test network and commercial network planning job. Project
manager can adjust planning flow and steps based on actual project condition, to
improve the flexibility to apply specification.
2.2 Normative Reference
Following enterprise standards are referred during compiling this guide, if no specific
year is written in some enterprise standards, the newest standards issued online shall be
considered as valid version.
Q/ZX 40.1010 Quality Manual
Q/ZX 75.1610 Engineering Specification
Q/ZX 75.1620 Engineering Quality Supervision & Management
Q/ZX 75.1851.1 International After-Sale Work Procedure - International Market
Project Management
Q/ZX 75.1851.2 International After-Sale Work Procedure – Open Engineering
Q/ZX 75.1851.3 International After-Sale Work Procedure – After-Sale Data Archive
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Management
2.3 Terms and Definition
2.3.1 Pre-Planning
Pre-planning is a term relative to detailed planning in commercial network during radio
network planning. One complete commercial network planning includes pre-planning
and detailed planning. Based on network design demands of coverage/capacity/QoS,
you shall finish analysis of capacity and coverage in planning zone by pre-planning job,
gives out the network design scale matched with customer demands, and provides
suitable solutions for network construction at operator side.
After confirming network scale, you shall input service model, service distribution,
user distribution in planning zone, in combination with 3D terrain & physiognomy
information and equipment parameter information, into emulation tools. Finally, verify
pre-planning scheme using emulation tools, and select relative ideal sites to serve
detailed planning.
2.4 Network Pre-planning Flow
Network pre-planning flow is shown in Figure 2.4-1.
2 Network Pre-planning Guide
9
Radio Network Pre-Planning Flow
OutputSurvey EngineerProject ManagerPlanning Engineer
Emulation Engineer
Test EngineerMarket Engineer
(customer)
No
Yes
Yes
No
Yes
Yes
No
Whether operator requires
transmission model
test Estimation of Network scale
Whether operator requires survey
Network emulation and filtering
Demand analysis
Survey and layout of planning site
Planning project kickoff
Whether it meets
demands
Transmission model test
Submit report
Commerce contract
Network demand
Whether operator requires
emulation
Edit planning report
NoNetwork pre-
planning report
Network emulation report
Test report of transmission
model
Network survey report
Figure 2.4-1 Network Pre-planning Flow
2.5 Planning Project Kickoff
● Purpose: after receiving formal market planning demands, network planning
optimization department will respond it and inform its network planning
manager and sales manager to start planning project.
● Person in charge: project manager
● Input: planning demand
● Output: project schedule
● Work content:
(1) For pre-planning project, sales manager or business manager from marketing
department will proposes planning demands for market planning department and
GB_AF_POP_03_C1 ZTE Radio Network Planning and Optimization Workbook
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network planning & optimization department in mobile division based on
network pre-planning protocol or signed contract. Market planning departments
in different divisions determine whether to respond this demand based on whole
strategy in division and company.
(2) Test network is pre-planned as market planning behavior, so demands from
planning department can be considered as input condition to start pre-planning
project, and market planning engineer shall provide explanations to clarify the
requirements for radio network planning from customer.
(3) Pre-planning demands focus on network planning requirement and target for
customer.
(4) Network planning & optimization department manager appoints planning
project manager based on project demands, who will report project schedule for
his/her department and coordinated departments.
2.6 Demands Analysis
● Purpose: network planning & optimization engineer shall do deep
communication with customers on planning details, to learn the requirements for
planning details, and prepare for network scale estimation and network design in
planning zone.
● Person in charge: radio network planning engineer.
● Input: Demands in XXX Planning Zone or bidding document
● Output: analysis result of planning demands
● Work content:
(1) Based on the requirement provided by the operators, confirm planned coverage
zone, complete level division of coverage area, and plan the coverage target that
can be reached in coverage area and its corresponding user (number) density
distribution;
(2) Planning engineer shall analyze customer planning demands proposed by
customer. The importance is to learn terrain and physiognomy in planning area,
research traffic distribution, and propose planning policy to meet customer
coverage, capacity, QoS requirements.
2 Network Pre-planning Guide
11
(3) Analysis result of planning demand is a part of XX Service Area Pre-planning
Report. It is mainly to propose planning indices to meet requirement of network
performance for customers based on customer demands and provided
information, such as single user traffic model / general traffic quantity etc.
2.7 Propagation Model Test
At pre-planning phase, typical model can be used as the input of scale estimation and
network emulation; with the establishment of propagation model database, there are
sufficient data matched with actual environment, so propagation model test is optional.
According to propagation model test flow, do specific steps, you can refer to Chapter 3
Propagation Model Test and Correction Guide.
2.8 Scale Estimation
● Purpose: based on the requirement of customer network construction, determine
network scale estimation result in planning service area, that is, to determine
base station quantity and density in planning area.
● Person in charge: radio network planning engineer
● Input: customer proposes network construction demands and planning analysis
result
● Output: plan scale estimation results
● Work content:
(1) Based on the coverage requirements for planning area by customer, after service
quality is met and estimation meets requirements, you shall specify base station
quantity required in specified planning area.
(2) Based on the capacity requirement in planning area from customer, after service
quality is met, estimate the quantity of base station that meets capacity demands
in specified planning area.
(3) Finally, in consideration of two factors as coverage and capacity, give out the
quantity of base station required in planning area.
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2.9 Pre-planning Site Survey
● Purpose: for the operators involving with radio network resource, they shall
determine approximate site position based on estimation result of network scale;
for the operators in existing network, do statistics for existing site resource
based on customer request, and determine the scope of optional sites.
● Person in charge: radio survey engineer.
● Input: planning scale estimation report
● Output: radio network survey report
● Work content:
(1) After project manager identifies the appointments between customer and our
company based on the engineering interface negotiated with customer, he
compiles survey jobs, confirm team composition and responsibility division.
(2) Meanwhile, based on network scale estimation result and survey period
requirement, determine schedule, personnel, and site principal.
(3) Survey engineer receives corresponding survey data, identify survey task
requirement, and finish collection of survey data based on PM schedule and
company workflow.
(4) Survey engineer prepares required survey tools and instruments (compass, laser
distance measurement equipment or tapeline, GPS, camera), carry relevant drive
test equipment to reach user site.
(5) Remarks: for pre-planning project, if operators don’t appoint person to do
property rent negotiation, it is useless radio survey engineer does site survey, so
we recommend project survey is not required for pre-planning demand.
2.10 Filter Network Emulation
● Purpose: by emulating of emulation software, verify whether our planning result
is reasonable, and add more evidences for the planning scheme;
● Person in charge: emulation engineer
● Input: demand analysis, scale evaluation, site survey result (optional)
● Output: emulation report (submit part of planning report)
2 Network Pre-planning Guide
13
● Work content:
(1) Confirm planning zone by result of demand analysis in planning zone;
(2) Confirm business model for single user;
(3) Confirm user quantity and distribution;
(4) Confirm BS quantity deployed based on estimation result of network scale in
planning zone;
(5) Based on network topology result in planning zone, confirm BS layout;
(6) Based on operation steps, finish emulation and edit emulation report.
(7) Remark: 3D e-map is required to finish pre-planning emulation. If external
condition can’t be met or BS quantity is few, pre-planning emulation is not
required.
2.11 Compile pre-planning report
● Purpose: output final pre-planning result.
● Person in charge: radio network planning engineer.
● Input: analysis result of planning demand, estimation result of network scale,
optimized result of network topology emulation (optional)
● Output: radio network pre-planning report
● Work content:
(1) For pre-planning engineer, he can compile Radio Network Planning Report in
XXX Service Region based on demand data and emulation result provided by
customer.
(2) For commercial network planning, after site survey, survey data arrangement,
initial screening and emulation, reach agreement with customer and compile
Network Planning Report according to relevant requirement in the Contract.
(3) In Planning Report, get common recognition on interested issues with customer,
discuss specific solution with customer, and describe the reason to design
network.
(4) Internal object in the Pre-planning Proposal is marketing and production line.
15
3 Propagation Model Test and Correction Guide
Knowledge Points
This chapter gives out basic workflow for ZTE GSM network propagation model
test and correction, and work content & responsibility scope for relevant persons.
3.1 Scope
This guide specifies work principle, workflow, equipment, and method for radio
propagation model test and correction.
This guide adapts to radio network planning optimization (GSM, PHS, WCDMA,
TD-SCDMA systems), which is the implementation process of radio propagation
model test and correction.
3.2 Normative Reference
This guide refers to following enterprise codes during compilation. If no age number is
showed at the part of enterprise codes, the valid version shall be the newest standard
issued online.
Q/ZX 40.1010 Quality Manual
Q/ZX 75.1610 Engineering Specification
Q/ZX 75.1620 Engineering Quality Supervision & Management
3.3 Terms and Definition
Following terms and definitions adapts to this standard.
3.3.1 Radio Network Planning
Based on capacity demand, coverage demands and other demands from customer, in
combination with terrain & physiognomy feature in coverage region, design reasonable
GB_AF_POP_03_C1 ZTE Radio Network Planning and Optimization Workbook
16
and feasible radio network layout and relevant parameters, to meet customer demands
by minimum investment.
3.3.2 Radio Propagation Model Test
Based on customer demand and local terrain, divide propagation regions and select test
site, compile certain test routes to do drive test, and collect relevant data required by
model correction.
3.3.3 Radio Propagation Model Correction
Based on test data provided by test persons, do data screening, and get acceptable
propagation model after correction using correction tools.
3.4 Propagation Model Test and Correction Workflow
Specific workflow for propagation model test and correction is shown in Figure 3.4-1.
3 Propagation Model Test and Correction Guide
17
Propagation Model Test and Correction
<Output><Emulation Engineer><Test Engineer><survey Engineer><Project
Manager><Customer>
Propagation model correction
Propagation model test report
End
Propagation model correction
report
Identify demand by initial
communication
Whether data meets
requirement?
N
Start
Propagation model correction
summary
Y
Select test route
Establish test environment
Propagation model test schedule
N
Y
Propagation model test summary
Data collection
Prepare propagation
model test tool
Whether correction
meets requireent?
Site survey
Figure 3.4-1 Propagation Model Test and Correction Workflow
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3.5 Identify Demand by Initial Communication
● Purpose: mainly to identify scope, site data, region division, task arrangement
interface, time schedule of propagation model test, and output propagation
model test plan.
● Person in charge: propagation model test and correction principal
● Input: scope, site data, region division, task arrangement interface, and time
schedule of propagation model test;
● Output: propagation model test schedule
● Work content:
(1) Get scope, region division, and site quantity of propagation model test;
(2) Discuss task arrangement interface and time schedule with customer;
(3) Identify final output content;
(4) Organization and work arrangement of human resource;
(5) Compile Propagation Model Test Schedule based on above information.
3.6 Prepare Propagation Model Tool
● Purpose: check the survey and test tools required by propagation model test
● Person in charge: propagation model test principal
● Input: device list
● Output: survey and test tool
● Work content:
(1) Check survey devices to prepare propagation model test, including GPS,
compass, camera, laser distance measurement equipment.
(2) Check test device and software required by propagation model test, including
transmitter, receiver, test notebook, Omni-directional antenna, feedback cable,
power supply coil, tripod, onboard power supply.
3 Propagation Model Test and Correction Guide
19
3.7 Site Survey
● Purpose: inspect propagation model test site.
● Person in charge: survey engineer
● Input: survey tools, propagation model test schedule
● Output: propagation model test site survey report
● Work content:
(1) Confirm test area and site information;
(2) Survey the site to be inspected
Survey the site to be inspected and output site survey report.
(3) Filter sites
Based on recorded site data to be inspected, select required test sites according
to site selection principle.
(4) Compile and output Propagation Model Test Site Selection and Survey Report.
3.8 Select Test Route
● Purpose: plan propagation model test route, to get test data from different
directions and distance.
● Person in charge: test engineer
● Input: test site, transportation map
● Output: propagation model test route map
● Work content:
(1) Compile test route
Based on terrain, physiognomy, and road condition, design test route according
to route selection principle.
(2) Compile and output propagation model test route map
(3) Mark specific test route on the map
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3.9 Establish Propagation Model Test Environment
● Purpose: establish complete propagation model test environment.
● Person in charge: test engineer
● Input: test device and test site information
● Output: establish complete propagation model test environment.
● Work content:
(1) Establish the environment at transmitting side
(2) Establish the environment at receiving side
3.10 Data Collection
● Purpose: based on compiled test route, collect data and output relevant data files.
● Person in charge: test engineer
● Input: test site and test route map
● Output: test data file
● Work content:
(1) Based on compiled test route, collect data and record them as original data file;
(2) Translate original data file to the file format recognized by propagation model
correction software according to certain requirements.
3.11 Check and Accept Test Data
● Purpose: check and accept all data about propagation model test, to check
whether it can meet the requirements of model correction.
● Person in charge: propagation model test principal
● Input: all data for propagation model test
● Output: test data, check and acceptance result, and working content at next step.
● Work content:
(1) Check whether all data for propagation model test is complete and recorded is
accurate;
3 Propagation Model Test and Correction Guide
21
(2) If not satisfied, you shall survey and test again; if satisfied, you shall summarize
propagation model test efforts.
3.12 Summary of Propagation Model Test
● Purpose: summarize propagation model test, including data archiving, report
summary, and customer communication & training.
● Person in charge: propagation model test and correction principal
● Input: all data for propagation model test
● Output: propagation model test report
● Work content:
(1) Summarize propagation model test efforts, including experience and issues,
output summary report;
(2) Review and archive propagation model test data, including original data, output
report, work summary, site job assessment;
(3) Do communication and possible training with customer on propagation model
test summary, and get recognition from customer.
3.13 Propagation Model Correction
● Purpose: using propagation model correction tools, in combination with test data
and selected propagation model, find out the propagation models that can adapt
to different environments.
● Person in charge: emulation engineer
● Input: propagation model correction tools, propagation model test report, test
data, e-map
● Output: propagation models that can adapt to different environments.
● Work content:
(1) Process test data in advance;
(2) Select propagation model;
(3) Using model correction tools, find out propagation models that can adapts to
GB_AF_POP_03_C1 ZTE Radio Network Planning and Optimization Workbook
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different environments;
3.14 Summarize Propagation Model Correction Efforts
● Purpose: summarize propagation model correction efforts, archive relevant data,
and communicate with customer, to get recognition from customer.
● Person in charge: propagation model test and correction principal
● Input: all data for propagation model correction
● Output: propagation model correction report
● Work content:
(1) Summarize propagation model correction efforts, including different corrected
propagation models, experience, and issue summary, and output detailed
summary report;
(2) Review and archive the data corrected by propagation model;
(3) Communicate with customer on propagation model correction efforts and
possible training, to get recognition from customer.