Nokia DN09229011, Руководство пользователя

Страница: 3 / 29

Table of Contents
This document has 67 pages
Summary of changes..................................................................... 8
1 Installing Flexi Zone Micro BTS..................................................... 9
1.1 Installing Flexi Zone Micro BTS (FWHR) on a wall........................ 9
1.2 Installing Flexi Zone Micro BTS (FWHR) on a vertical pole......... 17
1.3 Installing Flexi Zone Micro BTS (FWHR) on a horizontal pole..... 24
2 Cabling Flexi Zone Micro BTS..................................................... 32
2.1 Cabling the copper interface........................................................ 34
2.2 Cabling the optical interface......................................................... 37
2.3 Flexi Zone Micro BTS (FWHR) interfaces.................................... 41
3 Installing antennas....................................................................... 43
3.1 Installing omnidirectional antennas.............................................. 43
3.2 Installing third-party antennas...................................................... 43
3.3 Considerations for remotely connecting RF antennas................. 44
3.4 Installing Bluetooth antenna.........................................................45
3.4.1 Bluetooth antenna........................................................................ 45
3.5 Installing GPS antenna................................................................ 46
3.5.1 GPS antenna (FAWD).................................................................. 46
4 Requirements for GPS antenna installation................................. 48
4.1 Introduction.................................................................................. 48
4.1.1 Scope........................................................................................... 48
4.1.2 The Global Positioning System.................................................... 48
4.1.2.1 Satellite constellation................................................................... 48
4.1.2.2 GPS RF carrier.............................................................................49
4.2 General antenna positioning requirements.................................. 49
4.2.1 Required antenna visibility........................................................... 50
4.2.2 Antenna placement optimization.................................................. 50
4.2.3 Lightning protection...................................................................... 51
4.2.4 Antenna blockage........................................................................ 51
4.2.5 RF interference............................................................................ 51
4.3 Integrated GPS antenna operation.............................................. 52
4.4 Remotely positioned antenna operation.......................................53
4.4.1 Active GPS antenna..................................................................... 54
4.4.1.1 Antenna element.......................................................................... 54
4.4.1.2 Low-noise amplifier (LNA) / Pre-selector filter..............................54
4.4.1.3 Overall GPS antenna RF requirements....................................... 54
4.4.2 RF cabling.................................................................................... 55
4.4.3 Lightning arrestor......................................................................... 55
4.4.4 GPS antenna system RF requirements....................................... 56
4.4.4.1 Antenna system gain....................................................................56
Installing and Cabling Flexi Zone Micro High Power 2x20 W BTS
Issue: 02 DN09229011 3