Nokia Solutions and Networks Oy FZMFWHR01 用户手册
Table of Contents
This document has 67 pages
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