[信息与通信]WCDMA_BTS_Overview.ppt

Nokia WCDMA BTS Overview History Module objectives At the end of this module the participant will be able to: List the Nokia WCDMA BTS products List the main features of each Nokia WCDMA BTS product List the units of the Nokia UltraSite WCDMA BTS Describe the main function of each unit in the Nokia UltraSite WCDMA BTS Provide an overview level knowledge about the Nokia UltraSite WCDMA Site Support Solution Provide an overview level knowledge about the Nokia UltraSite WCDMA BTS Antenna System RAN system in WCDMA Nokia UltraSite WCDMA Product Family Spectrum allocations WN2.0 ED2 WCDMA in 1900 MHz band Make sure that all frequency-dependent units are compatible with the 1900 MHz frequency The main differences between WCDMA in 1900 MHz and 2100 MHz frequency bands are Tx-Rx frequency separation between uplink and downlink transmission. The control of channel numbers All other features are similar in both 1900 MHz and 2100 MHz frequency bands. WN2.0 ED2 WCDMA in 1900 MHz band WN2.0 ED2 supports 1+1+1 CEC 40 W configuration: Nokia UltraSite WCDMA BTS Supreme Indoor Nokia UltraSite WCDMA BTSOPTIMA Configurations RAN 1.5 1-2 carriers omni 1+1+1 sectored Configurations RAN ‘04 2+2+2 sectored Code channel capacity 32 ch steps RAN 1.5 max. 192 ch/cabinet RAN 1.5 (6 WSPs) 64 ch steps RAN ‘04 max. 768 ch/cabinet RAN ‘04 Other features cabinet chaining for high capacity, tri-sectored solutions 2-port uplink diversity, standard AC or DC feed Nokia UltraSite WCDMA BTS OPTIMA COMPACT Outdoor Configurations (20W) RAN 1.5 /RAN ‘04 1 carrier omni 1+1+1 sectored 1+1+1+1+1+1 Configurations (20/40W) RAN ‘04 2+2+2 sectored 2+2+2+2+2+2 4+4+4 Code channel capacity 32 ch steps RAN 1.5 max. 192 ch/cabinet RAN 1.5 (6 WSPs) 64 ch steps RAN ‘04 max. 768 ch/cabinet RAN ‘04 Other features AC or DC feed (New version only DC Plug-in Units) Nokia UltraSite EDGE BTS / Triple-Modecombines GSM, EDGE and WCDMA Single cabinet can house simultaneously - either 12 GSM/EDGE tr