ninoy_122184
2011-12-05, 08:44 PM
SCOPE .............................................................................................................................................................4
REFERENCED DOCUMENTS...............................................................................................................................5
RELATED DOCUMENTS AND INTERNET LINKS ....................................................................................................5
1 DOCUMENT OVERVIEW .................................................................................................................................6
2 RULES FOR ANTENNA PLANNING ..................................................................................................................6
2.1 Selection of antenna type .............................................................................................................................6
2.2 Planning antenna feeder length..................................................................................................................12
2.3 Planning TMA usage for GSM.....................................................................................................................14
2.4 Antenna height planning............................................................................................................................18
2.5 Planning the antenna azimuth ....................................................................................................................20
2.6 Downtilt planning ......................................................................................................................................20
2.7 Antenna diversity planning .........................................................................................................................25
2.7.1 Rx Diversity gain .....................................................................................................................................26
2.7.2 Rx space diversity ....................................................................................................................................27
2.7.3 Polarization diversity................................................................................................................................28
2.7.4 GSM space and polarization diversity on UL .............................................................................................30
2.7.5 Further rules on diversity..........................................................................................................................30
2.7.6 UMTS-FDD Tx diversity ............................................................................................................................31
2.7.7 UMTS FDD 4-RX diversity on UL...............................................................................................................34
2.8 Intra-system and inter-system compatibility assessment for site sharing ..........................................................36
2.8.1 How to ensure the intra-system and inter-system compatibility? ..................................................................38
2.9 EMC impact on antenna system planning....................................................................................................43
2.10 RNP tool related aspects on antenna planning ...........................................................................................43
3 RULES FOR ANTENNA INSTALLATION ...........................................................................................................44
3.1 Mounting rules for tower, mast, roof, wall mounting of antennas ...................................................................44
3.1.1 Side mounting of omni macro antennas on mast/ tower ............................................................................44
3.1.2 Minimum macro antenna height mounting for roof top.............................................................................45
3.1.3 Maximum skew angle for wall mounting of directional macrocell antennas .................................................46
3.1.4 Microcell antenna mounting rules ............................................................................................................46
3.2 Spacing for single band antennas in dual band GSM900/GSM1800 scenario................................................47
3.3 Tilt angle implementation ...........................................................................................................................47
3.4 Azimuth angle implementation ...................................................................................................................47
ABBREVIATIONS ..............................................................................................................................................48
INDEX.............................................................................................................................................................49
APPENDIX A FREQUENCY BANDS ................................................................................................................50
APPENDIX B ANTENNA TYPES .....................................................................................................................51
APPENDIX C ANTENNA SYSTEMS OPTIONS..................................................................................................52
APPENDIX D OVERVIEW ON ANTENNA DOWNTILT ......................................................................................53
APPENDIX E OVERVIEW ON ANTENNA DIVERSITY........................................................................................54
APPENDIX F PRINCIPLE OF AIR COMBINING................................................................................................58
APPENDIX G ANTENNA PATTERN DISTORTION FOR DIFFERENT MOUNTING SCENARIOS ...........................58
APPENDIX H INTRA-/INTER-SYSTEM COMPATIBILITY......................................................................................61
APPENDIX I MISCELLANEOUS.....................................................................................................................63
http://www.mediafire.com/file/d20l47f2wb4yck3/Antenna%20System%20Planning_ed01.pdf
REFERENCED DOCUMENTS...............................................................................................................................5
RELATED DOCUMENTS AND INTERNET LINKS ....................................................................................................5
1 DOCUMENT OVERVIEW .................................................................................................................................6
2 RULES FOR ANTENNA PLANNING ..................................................................................................................6
2.1 Selection of antenna type .............................................................................................................................6
2.2 Planning antenna feeder length..................................................................................................................12
2.3 Planning TMA usage for GSM.....................................................................................................................14
2.4 Antenna height planning............................................................................................................................18
2.5 Planning the antenna azimuth ....................................................................................................................20
2.6 Downtilt planning ......................................................................................................................................20
2.7 Antenna diversity planning .........................................................................................................................25
2.7.1 Rx Diversity gain .....................................................................................................................................26
2.7.2 Rx space diversity ....................................................................................................................................27
2.7.3 Polarization diversity................................................................................................................................28
2.7.4 GSM space and polarization diversity on UL .............................................................................................30
2.7.5 Further rules on diversity..........................................................................................................................30
2.7.6 UMTS-FDD Tx diversity ............................................................................................................................31
2.7.7 UMTS FDD 4-RX diversity on UL...............................................................................................................34
2.8 Intra-system and inter-system compatibility assessment for site sharing ..........................................................36
2.8.1 How to ensure the intra-system and inter-system compatibility? ..................................................................38
2.9 EMC impact on antenna system planning....................................................................................................43
2.10 RNP tool related aspects on antenna planning ...........................................................................................43
3 RULES FOR ANTENNA INSTALLATION ...........................................................................................................44
3.1 Mounting rules for tower, mast, roof, wall mounting of antennas ...................................................................44
3.1.1 Side mounting of omni macro antennas on mast/ tower ............................................................................44
3.1.2 Minimum macro antenna height mounting for roof top.............................................................................45
3.1.3 Maximum skew angle for wall mounting of directional macrocell antennas .................................................46
3.1.4 Microcell antenna mounting rules ............................................................................................................46
3.2 Spacing for single band antennas in dual band GSM900/GSM1800 scenario................................................47
3.3 Tilt angle implementation ...........................................................................................................................47
3.4 Azimuth angle implementation ...................................................................................................................47
ABBREVIATIONS ..............................................................................................................................................48
INDEX.............................................................................................................................................................49
APPENDIX A FREQUENCY BANDS ................................................................................................................50
APPENDIX B ANTENNA TYPES .....................................................................................................................51
APPENDIX C ANTENNA SYSTEMS OPTIONS..................................................................................................52
APPENDIX D OVERVIEW ON ANTENNA DOWNTILT ......................................................................................53
APPENDIX E OVERVIEW ON ANTENNA DIVERSITY........................................................................................54
APPENDIX F PRINCIPLE OF AIR COMBINING................................................................................................58
APPENDIX G ANTENNA PATTERN DISTORTION FOR DIFFERENT MOUNTING SCENARIOS ...........................58
APPENDIX H INTRA-/INTER-SYSTEM COMPATIBILITY......................................................................................61
APPENDIX I MISCELLANEOUS.....................................................................................................................63
http://www.mediafire.com/file/d20l47f2wb4yck3/Antenna%20System%20Planning_ed01.pdf