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GSM协议和GMR-1协议中讲功率控制的是哪几节,例如零几点几点几节
GSM协议和GMR-1协议中讲功率控制的是哪几节,例如零几点几点几节
提问者: lingmei_3129783  提问时间: 2014-03-31    
 

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功率控制相关细节参考GSM 05.05,具体可查询: GSM 05.05 Version 5.2.0: July 1996 Contents Foreword .......................................................................................................................................................5 1 Scope ..................................................................................................................................................7 1.1 Normative references ..........................................................................................................7 1.2 Abbreviations .......................................................................................................................8 2 Frequency bands and channel arrangement.......................................................................................8 3 Reference configuration ......................................................................................................................9 4 Transmitter characteristics ..................................................................................................................9 4.1 Output power .......................................................................................................................9 4.1.1 Mobile station ..................................................................................................9 4.1.2 Base station...................................................................................................10 4.2 Output RF spectrum ..........................................................................................................11 4.2.1 Spectrum due to the modulation and wide band noise .................................11 4.2.2 Spectrum due to switching transients............................................................14 4.3 Spurious emissions............................................................................................................15 4.3.1 Principle of the specification..........................................................................15 4.3.2 Base transceiver station ................................................................................16 4.3.3 Mobile station ................................................................................................17 4.4 Radio frequency tolerance .................................................................................................18 4.5 Output level dynamic operation .........................................................................................18 4.5.1 Base transceiver station ................................................................................18 4.5.2 Mobile station ................................................................................................18 4.6 Phase accuracy .................................................................................................................18 4.7 Intermodulation attenuation ...............................................................................................19 4.7.1 Base transceiver station ................................................................................19 4.7.2 Intra BTS intermodulation attenuation...........................................................19 4.7.3 Intermodulation between ms (DCS 1800 only)..............................................19 4.7.4 Mobile PBX (GSM 900 only)..........................................................................19 5 Receiver characteristics ....................................................................................................................20 5.1 Blocking characteristics .....................................................................................................20 5.2 AM suppression characteristics .........................................................................................21 5.3 Intermodulation characteristics ..........................................................................................22 5.4 Spurious emissions............................................................................................................22 6 Transmitter/receiver performance.....................................................................................................22 6.1 Nominal error rates (NER) .................................................................................................23 6.2 Reference sensitivity level .................................................................................................23 6.3 Reference interference level..............................................................................................23 6.4 Erroneous frame indication performance ..........................................................................24 Annex A (informative): Spectrum characteristics (spectrum due to the modulation)..............................29 Annex B (normative): Transmitted power level versus time..................................................................33 Annex C (normative): Propagation conditions .......................................................................................34 C.1 Simple wideband propagation model ................................................................................................34 C.2 Doppler spectrum types ....................................................................................................................34 C.3 Propagation models ..........................................................................................................................35 C.3.1 Typical case for rural area (RAx): (6 tap setting) ...............................................................35 Page 4 GSM 05.05 Version 5.2.0: July 1996 C.3.2 Typical case for hilly terrain (HTx): (12 tap setting)........................................................... 35 C.3.3 Typical case for urban area (TUx): (12 tap setting)........................................................... 36 C.3.4 Profile for equalization test (EQx): (6 tap setting) ............................................................. 36 Annex D (normative): Environmental conditions................................................................................... 37 D.1 General ............................................................................................................................................. 37 D.2 Environmental requirements for the mss.......................................................................................... 37 D.2.1 Temperature...................................................................................................................... 37 D.2.2 Voltage .............................................................................................................................. 37 D.2.3 Vibration ............................................................................................................................ 38 D.3 Environmental requirements for the BSS equipment ....................................................................... 38 Annex E (normative): Repeater characteristics .................................................................................... 39 E.1 Introduction ....................................................................................................................................... 39 E.2 Spurious emissions .......................................................................................................................... 39 E.3 Intermodulation products .................................................................................................................. 40 E.4 Out of band gain ............................................................................................................................... 40 Annex F (Normative): Antenna Feeder Loss Compensator Characteristics......................................... 41 F.1 Introduction ....................................................................................................................................... 41 F.2 Transmitting path.............................................................................................................................. 41 F.2.1 Maximum output power..................................................................................................... 41 F.2.2 Gain................................................................................................................................... 41 F.2.3 Burst transmission characteristics .................................................................................... 42 F.2.4 Phase error........................................................................................................................ 42 F.2.5 Frequency error................................................................................................................. 42 F.2.6 Group delay....................................................................................................................... 43 F.2.7 Spurious emissions ........................................................................................................... 43 F.2.8 VSWR ............................................................................................................................... 43 F.2.9 Stability .............................................................................................................................. 44 F.3 Receiving path .................................................................................................................................. 44 F.3.1 Gain................................................................................................................................... 44 F.3.2 Noise figure ....................................................................................................................... 44 F.3.3 Group delay....................................................................................................................... 44 F.3.4 Intermodulation performance ............................................................................................ 44 F.3.5 VSWR ............................................................................................................................... 44 F.3.6 Stability .............................................................................................................................. 44 F.4 Guidelines (Informative) ................................................................................................................... 44 History ....................................

回答者: litom2004     回答时间:2014-03-31 15:07    

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