Page 4 - GuideFWA

4.6.1.2 Comparative Analysis of the results for PCS and FWA TDD systems .....................................27
4.6.1.3 Interference mechanisms...........................................................................................................28
4.6.1.4 Operation and Maintenance......................................................................................................28
4.6.2. Others’ View ......................................................................................................................................28
4.6.2.1 Agreement of modeled parameters ...........................................................................................28
4.6.2.2 Spurious, out of band, unwanted emissions vs mod. Mask.......................................................29
4.6.2.3 Sensitivities...............................................................................................................................29
4.6.2.4 DECT, PHS, PCS1900, IS-95, IS136 capacity.........................................................................29
4.6.2.5 Pulsed interferers versus continuous interferers .......................................................................29
4.6.2.6 Mixed TDD and FDD deployments..........................................................................................29
4.6.2.7 Low traffic installations (space for guard-bands)......................................................................30
4.6.2.8 Base station siting.....................................................................................................................30
4.6.2.9 Probability Of Interference .......................................................................................................30
4.6.2.10 Further guidance on how to read the table................................................................................30
4.6.2.11 Interpretation of Results ...........................................................................................................31
4.6.2.12 Co-located FWA and PCS Base Stations..................................................................................32
4.6.2.13 Site engineering ........................................................................................................................32
4.6.2.14 Propagation models for outdoor and indoor .............................................................................33
4.6.2.15 Non-rural morphology vs. rural morphology............................................................................33
4.6.2.16 Figures of merit.........................................................................................................................33
4.6.2.17 Worst case analysis...................................................................................................................33
4.6.2.18 Omni PCS vs. sectored antennas ..............................................................................................33
4.6.2.19 Technology aspects...................................................................................................................33
4.6.2.20 Cochannel Interference from Fixed Wireless Access systems to Unlicensed

Personal Communications Systems .........................................................................................34
4.6.2.21 Frequency Reuse Model for Dynamic Channel Assignment (also call Dynamic

Channel Selection)...................................................................................................................34
4.6.2.22 Multipath and Shadow Fading..................................................................................................35
4.6.2.23 Building Illumination by Fixed Transmitters............................................................................35
4.6.2.24 Building Penetration Loss ........................................................................................................35
4.6.2.25 User Distribution Within a Building.........................................................................................35
4.6.2.26 Spectrum Overlay vs. Segmentation .........................................................................................36
4.6.2.27 Radius of cell coverage.............................................................................................................36
4.6.2.28 Influence of power control (up and down (?) link) ...................................................................36
4.6.2.29 Dynamic vs. fixed guard-band ..................................................................................................36
4.6.2.30 In-Building Propagation and Losses.........................................................................................36
4.6.2.31 Noise Floor Rise vs. Separation................................................................................................37
4.6.2.32 Spurious, out of band, unwanted emissions vs. modulation mask ............................................37
4.6.2.33 Space for guard-bands ..............................................................................................................37
4.6.2.34 Antenna sectorisation, traffic ....................................................................................................37
4.6.2.35 Mitigation techniques ...............................................................................................................38
5. REFERENCES ......................................................................................................................................................38
6. INDEX OF RESULTS .............................................................................................................................................39

PART 2.........................................................................................................................................................................175

EXECUTIVE SUMMARY OF THE DOCUMENT ON COMMENTS ON THE REPORT OF THE
PCC.III INTERFERENCE EXPERTS GROUP ON INCOMPATIBILITY ISSUES BETWEEN FWA
AND PCS SYSTEMS ......................................................................................................................................................177
1. CHANGES TO CALCULATION METHODOLOGY ....................................................................................................179

1.1. DECT Mask Data..................................................................................................................................179
1.1.1. LMNQ View ....................................................................................................................................179
1.1.2. AENS View......................................................................................................................................180

1.2. DECT Mask Slope or Constant Data ....................................................................................................180
1.2.1. LMNQ View ....................................................................................................................................181
1.2.2. AENS View......................................................................................................................................183

1.3. Interpretation of All Masks ...................................................................................................................186
1.3.1. Consensus View ...............................................................................................................................187

1.4. PHS to DECT Interference....................................................................................................................187
1.4.1. LMNQ View ....................................................................................................................................187
1.4.2. AENS View......................................................................................................................................188

1.5. Step Size Differentiation........................................................................................................................188

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