Manual Do Utilizadoríndice analíticoSystem Overview13Position of BTS in the CDMA System14System Features16Multiple Frequency Bands Supported16Large Capacity16Compactness16Technological Advantages16High Reliability17Flexible Networking17Smooth Expansion and Upgrade17Easy Operation and Maintenance18Functions19International Standards Followed by BTS20BTS Hardware22Hardware Structure23BTS Physical Structure23Logical Structure24List of All BTS Boards25BDS26BDS Schematic Diagram26BDS Working Principle27Technological Advantages of BDS27BDS Hardware Configuration28RFS30RFS Schematic Diagram31RFS Working Principle31Technological Advantages of RFS32Hardware Configuration33PWS34PWS Schematic Diagram34PWS Working Principle35Hardware Configuration35BTS Software36BTS Software Overview37CCM Software39CHM0 Software40CHM1 Software41RMM Software42TRX Software43BTS Networking and Configuration44Networking through Abis Interface45BTS Networking47LS Mode48RS Mode49LEA Mode49LEB Mode51RE Mode52ME Mode53BTS Configuration53BDS Configuration53RFS Configuration54PWS Configuration54Technical Indices55Environment Indices56Performance Indices58Reliability58Interface58Capacity58Frequency Band58Specs of Bands 800 MHz, 450 MHz and 850 MHz58Specs of 1.9 GHz and 2.1GHz61Clock62Noise63A65Abbreviations65Figures71Tables731 Position of BTS in BSS142 BTS Physical Structure233 BTS Logical Structure244 BDS Schematic Diagram265 BDS Configuration286 SBDS Configuration297 RFS Schematic Diagram318 RFE Configuration339 PWS Schematic Diagram3410 Primary Power Supply of PWS3511 BTS Software Structure3712 cdma2000 BSS Networking4513 BSS Networking4614 BTS Board Layout in LS Mode4815 RS Mode4916 LEA Mode5017 LEB Mode5118 RE Mode5219 ME Mode531 Frequency Bands Supported by BTS162 BTS Boards253 BTS Networking Modes474 Environment Indices565 BTS Power Consumption576 Receiver Index at 800 MHz, 450 MHz and 850 MHz587 Transmitter Index at 800 MHz, 450 MHz and 850 MHz598 Receiver Index at 1.9 GHz and 2.1GHz619 Transmitter Index at 1.9 GHz and 2.1GHz61Tamanho: 600 KBPáginas: 73Language: EnglishAbrir o manual