TD-SCDMA无线网络规划方法探讨

11TDTD--SCDMASCDMA2TDTDTD23TDTDDTPADCA4QoS356TD-SCDMAGPTD-SCDMA47•PAUE8TD-SCDMAl24dBm3dBmEIRP21dBm27dBm15dBi9dB1dBEIRP50dBml()–174dBm/Hz–113dBm5dBEb/No7.5dB10dB110.4dBm15dBi9dB1dB2dB1dB7dBEb/No7.5dB10dB108.4dBm3dB3dB1dB5911.5dB142dB20dB122dBCOST231-Hata1.220dB0.310611K1K2K3K4K5K6K7121*31*31*11*1N713[1][3][2][1][3][2][1][3][2]TD-SCDMA[x][x][2][5][8][1][4][7][2][5][8][2][5][8][3][6][9][3]6][9][3][6][9][1][4][7][1][4][7]ØØ[4][4][4][5][5][5][6][6][6][7][7][7][8][8][8][9][9][9]14N“”81516TDTDTD917BHSAbusyhoursessionattemptsPacketcallNumber/sessionPacketnumber/packetcallPacketsizeReadingtimeInter_packetarrivaltimeRetransmissionrateBLER18PacketServiceSessionDurationReadingTimePacketSizeInter-arrivalTimePacketCallPacketTrafficParametersMeanPacketSize480bytesMeanpacketcalls/session12Readingtimebetweencalls112secondsMeannumberofpacketsinacall10Meanpacketinterarrivaltime0.8secondsParetoPS1019100****]1001[__sessionpacketspacketscallsretransTTNNRRatioOFFON+=packetspacketscallsretransreadcallssessionTNNRDNT***]1001[*)1(++-=100*1,8maxBLERBLERRRSTretranspacketspacket-==PS20PS1121nM1M2TM3M4BHSABHCAACHTaveragecallholdingtime22∑⋅⋅⋅⋅⋅jaaveragedatRMTMMn36003213600)(_dataACHTberpersubscriBHCAErlang⋅=Erlang_B(GOS)122324××=)(CSErl×××=)(PErlSCSPS1325TDTDTD26142728123456152930TD-SCDMA163132/km23G3G3G3G×××G31733()34CampbellCS“”ErlangB1835————Campell——TDTD--SCDMASCDMA36N1N2N1N2N1N2NoNoNoN=max(N1,N2)YesYesYes1937——3GEb/N0CampbellTD-SCDMA33381/41/84050m20395040GPS2141883dB353dB113dB12223dB84206001014dBi24dBi2243