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View Full Version : RF Performance of EVOLIUM™ BTS Impact on Network Design



ninoy_122184
2011-12-09, 08:20 PM
1. SCOPE ............................................................................................................ 3
2. MACRO-BTS ................................................................................................... 3
2.1 Transmit path ............................................................................................................................3
2.1.1 Introduction..................................................................................................................................3
2.1.2 Tolerances...................................................................................................................................4
2.1.3 Duplexers and combiners ...........................................................................................................4
2.1.4 Unbalanced losses/powers detection and regulation..................................................................5
2.1.5 The “Cell Split” feature ................................................................................................................7
2.1.6 Concentric Cells ..........................................................................................................................9
2.1.7 TRX types..................................................................................................................................10
2.1.8 BTS output power to antenna feeder ........................................................................................10
2.2 Receive path ............................................................................................................................15
2.2.1 Introduction................................................................................................................................15
2.2.2 Receive sensitivity for GMSK modulation, voice / circuit-switched data ...................................15
2.2.3 Receive sensitivity for packet-switched data.............................................................................16
2.2.4 Antenna diversity gain ...............................................................................................................16
2.2.5 Frequency hopping gain............................................................................................................17
2.3 Cabinet Configuration Rules..................................................................................................18
2.3.1 Generic and Allowed Configurations .........................................................................................18
2.3.2 Cabinet rules for multi-standard GSM/UMTS BTS....................................................................21
3. MICRO-BTS................................................................................................... 22
3.1 Micro-BTS types......................................................................................................................22
3.2 Micro-BTS applications ..........................................................................................................22
3.3 Transmit Path ..........................................................................................................................22
3.3.1 Combining options.....................................................................................................................22
3.3.2 Micro-BTS output power to antenna feeder ..............................................................................23
3.4 Receive path ............................................................................................................................23
3.4.1 Receive sensitivity for GMSK modulation, voice / circuit-switched data ...................................23
3.4.2 Receive sensitivity for packet-switched data.............................................................................23
3.4.3 Antenna diversity gain of Micro-BTS.........................................................................................24


http://www.mediafire.com/file/sk14pdlnnpvazj0/NDRF-Performance_E4.pdf