f1cy
2009-01-04, 10:31 AM
Guidelines for configuration of base station antennas for
GSM 900, DCS 1800 and PCS 1900:D
http://www.emoticone-gratuit.info/emoticone-anime/humour%20%2852%29.gif
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Contents
0. REVISION HISTORY............................................................................ 5
1. INTRODUCTION................................................................ 5
1.1 PURPOSE OF THE DOCUMENT............................................ 5
1.2 GENERAL....................................................................... 5
1.3 ISOLATION.................................................................... 6
1.4 DIVERSITY.................................................................... 6
1.5 NEARBY OBSTACLES ...................................................... 6
2. CONFIGURATION OF OMNIDIRECTIONAL ANTENNAS................ 7
2.1 SEPARATION REQUIREMENTS FOR ISOLATION ..................... 7
2.1.1 Vertical separation ...................................................... 7
2.1.2 Horizontal separation ................................................... 8
2.1.3 Combined vertical/horizontal separation .......................... 9
2.2 DIVERSITY REQUIREMENTS............................................... 9
2.2.1 General ..................................................................... 9
2.2.2 Diversity separation and antenna height...........................10
2.2.3 Horizontal separation for diversity ..................................10
2.2.4 Vertical separation for diversity.......................................12
2.3 NEARBY OBSTACLES .......................................................12
2.3.1 Roof mounting ............................................................12
3. CONFIGURATION OF DIRECTIONAL ANTENNAS........................15
3.1 SEPARATION REQUIREMENTS FOR ISOLATION ......................15
3.1.1 Vertical separation ......................................................15
3.1.2 Horizontal separation ....................................................16
3.1.3 Combined vertical/horizontal...........................................17
3.2 POLARIZATION DIVERSITY ...............................................18
3.3 SPACE DIVERSITY REQUIREMENTS .....................................18
3.3.1 General ......................................................................18
3.3.2 Diversity separation and antenna height............................19
3.3.3 Horizontal separation for space diversity............................20
3.3.4 Vertical separation for space diversity.........................,.....20
3.4 NEARBY OBSTACLES ........................................................20
3.4.1 Roof mounting .............................................................21
3.5 WALL MOUNTED ANTENNAS ..............................................22
3.5.1 Antenna configuration ...................................................22
GSM 900, DCS 1800 and PCS 1900:D
http://www.emoticone-gratuit.info/emoticone-anime/humour%20%2852%29.gif
pass:f1cy
Contents
0. REVISION HISTORY............................................................................ 5
1. INTRODUCTION................................................................ 5
1.1 PURPOSE OF THE DOCUMENT............................................ 5
1.2 GENERAL....................................................................... 5
1.3 ISOLATION.................................................................... 6
1.4 DIVERSITY.................................................................... 6
1.5 NEARBY OBSTACLES ...................................................... 6
2. CONFIGURATION OF OMNIDIRECTIONAL ANTENNAS................ 7
2.1 SEPARATION REQUIREMENTS FOR ISOLATION ..................... 7
2.1.1 Vertical separation ...................................................... 7
2.1.2 Horizontal separation ................................................... 8
2.1.3 Combined vertical/horizontal separation .......................... 9
2.2 DIVERSITY REQUIREMENTS............................................... 9
2.2.1 General ..................................................................... 9
2.2.2 Diversity separation and antenna height...........................10
2.2.3 Horizontal separation for diversity ..................................10
2.2.4 Vertical separation for diversity.......................................12
2.3 NEARBY OBSTACLES .......................................................12
2.3.1 Roof mounting ............................................................12
3. CONFIGURATION OF DIRECTIONAL ANTENNAS........................15
3.1 SEPARATION REQUIREMENTS FOR ISOLATION ......................15
3.1.1 Vertical separation ......................................................15
3.1.2 Horizontal separation ....................................................16
3.1.3 Combined vertical/horizontal...........................................17
3.2 POLARIZATION DIVERSITY ...............................................18
3.3 SPACE DIVERSITY REQUIREMENTS .....................................18
3.3.1 General ......................................................................18
3.3.2 Diversity separation and antenna height............................19
3.3.3 Horizontal separation for space diversity............................20
3.3.4 Vertical separation for space diversity.........................,.....20
3.4 NEARBY OBSTACLES ........................................................20
3.4.1 Roof mounting .............................................................21
3.5 WALL MOUNTED ANTENNAS ..............................................22
3.5.1 Antenna configuration ...................................................22