IMT-A信道模型主模块路径损耗模型.docx

表2.2 IMT-A信道模型主模块路径损耗模型场景路径损耗(dB)阴影衰落标准差(dB)适用范围和默认高度InH LoSPL = 16.9 log10(d) + 32.8 + 20 log10(fc)s = 33 m d 100 mhBS = 36 mhUT = 12.5 mNLoSPL = 43.3 log10(d) + 11.5 + 20 log10(fc)s = 410 m d 150 mhBS = 36 mhUT = 12.5 m UMiLoSPL = 22.0 log10(d) + 28.0 + 20 log10(fc) PL = 40 log10(d1) + 7.8 18 log10(hBS) 18 log10(hUT) + 2 log10(fc)s = 3s = 310 m d1 dBP dBP d1 5000 mhBS =10m, hUT =1.5 m见注1）NLoS曼哈顿网格其中 PLLOS:城市微小区直视径下路径损耗k,l 1,2.六边形小区：PL = 36.7 log10(d) + 22.7 + 26 log10(fc)s = 4s = 410m d1+d2 5000m,w/2 min(d1,d2 )w =20m (街道宽度)hBS =10m,hUT =1.5m当0 min(d1,d2 ) w/2 , 使用直视径下路径损耗10 m d 2000 m见注2）hBS = 10 mhUT =12.5 mUMaLoSPL = 22.0 log10(d) + 28.0 + 20 log10(fc)s = 4s = 410 m d dBP dBP d 5000 mhBS=25m hUT=1.5m见注1）NLoSPL = 161.04 7.1 log10 (W) + 7.5 log10 (h) (24.37 3.7(h/hBS)2) log10 (hBS) + (43.42 3.1 log10 (hBS) (log10 (d) - 3) +20 log10(fc) (3.2 (log10 (11.75 hUT)2 - 4.97)s = 610 m d 5000 mh =平均建筑高度 W = 街道宽度hBS = 25m,hUT =1.5mW = 20 m, h = 20 m适用范围：5 m h 50 m5 m W 50 m 10 m hBS 150 m 1 m hUT 10 mSMaLoSPL1 = 20 log10(40p d fc/3) + min(0.03h1.72,10) log10(d) min(0.044h1.72,14.77) + 0.002 log10(h)dPL2 = PL1 (dBP) + 40 log10(d/dBP) = 4 = 610 m d dBP (4)dBP d 5000 mhBS=35m，hUT =1.5mW =20m，h = 10 m(h，W，hBS，hUT 适用范围与城市宏小区无直视径相同)见注3）NLoSPL = 161.04 7.1 log10 (W) + 7.5 log10 (h) (24.37 3.7(h/hBS)2) log10 (hBS) + (43.42 3.1 log10 (hBS) (log10 (d) -3) +20 log10(fc) (3.2 (log10 (11.75 hUT)2 - 4.97)s = 810 m d 5000 mhBS =35m，hUT =1.5mW = 20 m，h = 10 m (h，W，hBS，hUT 适用范围与城市宏小区无直视径相同)RMaLoSPL1 = 20 log10(40p d fc/3) + min(0.03h1.72,10) log10(d) min(0.044h1.72,14.77) + 0.002 log10(h)d PL2 = PL1 (dBP) + 40 log10(d/dBP)s = 4s = 610 m d dBP (4)dBP d 10000 mhBS =35m，hUT =1.5mW = 20 m，h = 5m(h，W，hBS，hUT 适用范围与城市宏小区无直视径相同)见注3）NLoSPL = 161.04 7.1 log10 (W) + 7.5 log10 (h) (24.37 3.7(h/hBS)2) log10 (hBS) + (43.42 3.1 log10 (hBS) (log10 (d) - 3) +20 log10(fc) (3.2 (log10 (11.75 hUT) 2 - 4.97)s = 810 m d 5 000 mhBS =35m，hUT =1.5mW = 20 m，h = 5 m(h，W，hBS，hUT 适用范围与城市宏小区无直视径相同)注：1）载波频率单位为GHz，距离单位为m。2）断点距离dBP = 4 hBS hUT fc/c，fc为中心频率（Hz），c = 3.0 108 m/s，hBS = hBS 1.0m，hUT=hUT1.0m为等效天线高度。3）断点距离dBP = 2 hBS hUT fc/c，fc为中心频率（Hz），c= 3.0 108 m/s。不同仿真环境除了路径损耗上存在差异，还在其他参数上有所不同，如表2.3所示。表2.3 IMT-A信道模型主模块信道参数场景InHUMiSMaUMaRMaLoSNLoSLoSNLoSO-to-ILoSNLoSLoSNLoSLoSNLoS时延扩展 (DS)lg(s)-7.70-7.41-7.19-6.89-6.62-7.23-7.12-7.03-6.44-7.49-7.430.180.140.400.540.320.380.330.660.390.550.48发射角扩展 (ASD) lg(degrees)1.601.621.201.411.250.780.901.151.410.900.950.180.250.430.170.420.120.360.280.280.380.45到达角扩展(ASA) lg(degrees)1.621.771.751.841.761.481.651.811.871.521.520.220.160.190.150.160.200.250.200.110.240.13阴影衰落(SF) (dB)34347484648K因子(dB)7N/A9N/AN/A9N/A9N/A7N/A4N/A5N/AN/A7N/A3.5N/A4N/A互相关ASD vs DS0.60.40.500.4000.40.40-0.4ASA vs DS0.800.80.40.40.80.70.80.600ASA vs SF-0.5-0.4-0.4-0.40-0.50-0.5000ASD vs SF-0.40-0.500.2-0.5-0.4-0.5-0.600.6DS vs SF-0.8-0.5-0.4-0.7-0.5-0.6-0.4-0.4-0.4-0.5-0.5ASD vs ASA0.400.4000000.400ASD vs K0N/A-0.2N/AN/A0N/A0N/A0N/AASA vs K0N/A-0.3N/AN/A0N/A-0.2N/A0N/ADS vs K-0.5N/A-0.7N/AN/A0N/A-0.4N/A0N/ASF vs K0.5N/A0.5N/AN/A0N/A0N/A0N/A时延分布 指数分布发射角和到达角分布拉普拉斯算子环高斯分布时延缩放参数3.633.232.22.41.52.52.33.81.7交叉极化鉴别率XPR (dB)111098.098487127射线蔟数量1519121912151412201110射线蔟的射线数2020202020202020202020射线蔟发射角扩展553105525222射线蔟到达角扩展81117228510111533每射线蔟阴影标准差(dB)63334333333相关距离(m)DS857101064030405036ASD7381011153018502530ASA538917203015503540SF106101374050375037120K4N/A15N/AN/A10N/A12N/A40N/A角度扩展因子C与射线蔟数量的关系射线蔟数量C40.77950.86081.018101.090111.123121.146141.19015