網(wǎng)絡(luò)優(yōu)化參數(shù)的調(diào)整

1、網(wǎng)絡(luò)優(yōu)化參數(shù)的調(diào)整 天線參數(shù) 天線方向角：結(jié)合實(shí)際地理情況，解決小區(qū)合理覆蓋；減小小區(qū)間的干擾; 天線下傾角：小區(qū)的合理覆蓋范圍的控制；減小小區(qū)間的干擾； 接入?yún)?shù) Parameters Default Value Normi nal pwr 0 In itial pwr 5 (dBm) Pwr step 5 (dB) Num step 4 Max cap size 6 frames (20ms x 6) Preamble size 2 frames (20ms x 2) BKOFF 1 slot (80ms x 1) Max req seq 2 Max rsp seq 2 Acc tmo 2

2、 slots (80ms x 2) Probe BKOFF 1 slot (80ms x 1) 切換參數(shù) Parameters Default Value T add 24 (-12dB) T drop 28 (-14dB) T tdrop 3 (4s) T comp 5 (2.5dB) Srch win a 6 (28chips) Srch win n 7 (40chips) Srch win r 2 (8chips) 系統(tǒng)窗口參數(shù) Parameters Default Value Preamble winen gth 2048 (256chips) Multipath winen gth

3、128 (16chips) Acq w in len gth 576 (72chips) Demod winen gth 288 (36chips) 功率參數(shù) 基站發(fā)射功率：保證基站總發(fā)射功率可達(dá)到20W; 各信道數(shù)字增益：調(diào)整這些值以得到小區(qū)的合理覆蓋； Pilot 15% Cha nnel 3G Digital Gai n Power(Watt) Perce nt(%) dB Value dB I ndex Pilot 132 2.99 14.96 -8.25 132 Sy nc 92 0.30 1.50 -18.25 92 Dagi ng 128 2.38 11.89 -9.25 128

4、 Pilot 10% Cha nnel 3G Digital Gai n Power(Watt) Perce nt(%) dB Value dB I ndex Pilot 125 2.00 10.00 -10.00 125 Sy nc 85 0.20 1.00 -20.00 85 Dagi ng 121 1.59 7.94 -11.00 121 Pilot 20% Cha nnel 3G Digital Gai n Power(Watt) Perce nt(%) dB Value dB I ndex Pilot 137 3.99 19.95 -7.00 137 Sy nc 97 0.40 2.

5、00 -17.00 97 Dagi ng 133 3.17 15.85 -8.00 133 功率控制參數(shù) 前向鏈路功控一RC1 Parameters Default Value Fer threshold 4 (2%) Big up delta 10 (2.5dB) Small up delta 5 (1.25dB) Fdchit gain rc1 112 Fdch max gain rc1 128 Fdch min gain rc1 64 Fast dow n time 1600 (ms) sig nal delta ga in 96 (1.5) Pcsc delta ga in1 64 (

6、1) Pcsc delta ga in2 96 (1.5) Pcsc delta ga in3 112 (112) 前向鏈路功控一RC3 Parameters Default Value Fpc fdch FER 2 (1%) Fpc sch FER 10 (5%) Fpc fdchit setpt RC3 nonTD 56 (7dB) Fpc fdch max setpt RC3 no nTD 96 (12dB) Fpc fdch min setpt RC3 nonTD 16 (2dB) Fpc fdchit gain RC3 nonTD 103 Fpc fdch max gain RC3

7、nonTD 137 Fpc fdch min gain RC3 nonTD 37 反向鏈路功控 Parameters Default Value Fdch i ni t setpt RC1 23408 (8dB) Fdch max setpt RC1 61144 (10.5dB) Fdch min setpt RC1 11392 (6dB) Fdch i ni t setpt RC3 13536 (4.0dB) Fdch max setpt RC3 50384 5dB) Fdch min setpt RC3 5048 (0.5dB) Pwrctrl up full 3720 Pwrctrl up erasure little 50 Pwrctrl up erasure 248 Pwrctrl dow n 24 Pwrctrl var dow n 4 Pwrctrl full wait 1 數(shù)據(jù)相關(guān)參數(shù) 提高數(shù)據(jù)業(yè)務(wù)的上網(wǎng)數(shù)率； 鄰區(qū)表的調(diào)整 檢查 按照切換比率