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2012-10-20, 11:51 PM
Author: Qualcommno of pages :199Table of Contents1 Introduction 1-11.1 Scope 1-11.2 Organization 1-11.3 Revision History 1-11.4 Reference Documents 1-11.5 Terms And Definitions 1-12 RF Network Design Process. 22.1.1 Site Survey 182.1.2 RF Model tuning 192.1.3 Coverage and capacity analysis 203 Coverage and capacity evalution 201.1.1 Verification of Coverage Target 20Verification of Capacity Target 213.1 Coverage Evaluation 221. Pilot Ec 222. Best server Pilot Ec/Io, pilot quality unloaded 223. Best server Pilot Ec/Io, pilot quality loaded 234. Number of overlapping sectors 235. Overshooting sectors 246. Sector Fragmentation 247. Frequent change in best server 248. Imbalance between best server area 259. Sector with high number of neighbors 25Verification of Coverage Dimensioning 25Capacity Evaluation 254 Coverage Planning 36Antenna Vertical Clearance 43Antenna Skew Angle 3-1Isolation 3-3Layout anchor sites for coverage objectives 3-9Layout anchor sites based on traffic demand 3-9Analyze system under coverage objectives 3-10Analyze system under Capacity objectives 3-104.1 Site Layout and Placement 3-11Nominal Macro Sites 3-11Umbrella Site 3-114.2 Search Area Map 3-124.3 Candidate Site Review Procedure 3-164.4 Figure 7.6 Candidate Site Review Procedure 3-16Candidate Site Coverage and Capacity Analysis 3-16Candidate Review Process Checklist 3-17Site design procedures 3-184.5 Site Audit Procedures 3-18Overview 3-18Visual Site Inspection 3-18Candidate Site Request Form Verification 3-19Diagram/Sketch of Roof Layout 3-19Diagram/Sketch Proposed Antenna Configuration 3-19Sketch Site Surroundings 3-20Complete Drive Test Notes 3-20Site Audit Finalization 3-214.6 Line of sight or free space 3-254.7 Hata and related model 3-254.8 Breakpoint model 3-284.9 COST-231/Walfisch-Ikegami/Walfisch-Bertoni Model 3-294.10 Standard Propagation Model (SPM) 3-304.11 Impact of terrain and other features 3-304.12 Ray tracing 3-314.13 Model usage per morphologies 3-314.14 Model Tuning 3-32Geographic Data 3-32CW Measurement Data 3-33Quality Targets 3-33Model Tuning Process 3-34FiguresFigure 7.1 Maximum deviation from the nominal site location based on maximum sector-to-sector angular separation (120o +βPOS) 1-13Figure 7.2 Calculation of maximum deviation from the nominal site location based on maximum sector-to-sector angular separation (120o +βPOS) 1-14Figure 7.3 Maximum deviation from the nominal site location based on minimum sector-to-sector angular separation ((120o -βNEG) 1-14Figure 7.4 Calculation of maximum deviation from the nominal site location based on minimum sector-to-sector angular separation ((120o -βNEG) 1-15Figure 8.1 Measurement and Hata model correlation 1-27Figure 8.2 Model Tuning Flow Chart 1-34Figure 8.3 Mismatched Measurement Data 1-35Figure 8.4 Measurement Route after Offsetting 1-35Figure 8.5 Urban Model Tuning Calibration Setup 1-37 TablesTable 8.1 Selection criteria for the most common RF prediction models 1-24Table 8.2 Clutter Class Categories 1-32Table 8.3 Required Information for Model Tuning 1-33