信息论基础与编码 (12).pdf

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1、?1?1?1?2?1.1?3GPP?UTRA FDD?1.1?1.1?Third-Generation Partnership Project-3GPP?Universal Terrestrial Radio Access-UTRA?Frequency Division Duplex-FDD?1.2?Time Division Duplex-TDD?1?1.1?1?3?MHz?MHz?1920?1980 2110?2170?1850?1910?1930?1990?1710?1785?1805?1880?1710?1755?2110?2155?824?849?869?894?830?840?87

2、5?885?2500?2570?2620?2690?880?915?925?960?1749.9?1784.9?1844.9?1879.9?1710?1770?2110?2170?1?4?1?5?1.1 3GPP?UTRA FDD?1?6?1.2?3GPP?UTRA TDD?MHz?1900?1920?2010?2025?1850?1910?1930?1990?1910?1930?2570?2620?1?7?1.2?.?SISOSIMO?MISO?MIMO?MIMO-MU?/?/?1?8?1?9?1.2?2-3?1?10?Fresnel reflection coefficient?1?11?

3、Huygens principle?1?12?1?13?2-3?(?)?1?14?(?)?1?15?1.3?1?16?1.4?1.4?1?171.2.1?1.2.1.1?d?TG?RG?d?()RP d?Friis5?:?1?18222()(4)TTRRP G GP dd L?(1.1)?TP?(?)?(?)?L?1L?1L?()FPLd?1L?()FPLd?222()dB10log10log(4)TTRFRPG GPLdPd?(1.2)?1TRGG?(1.2)?1?194()dB10log20logTFRPdPLdP?(1.3)?1?20?1.5?1001011021034050607080

4、90100110?,fc=1500MHz?m?dBGT=1,GR=1GT=1,GR=0.5GT=0.5,GR=0.5?1?21?1.5?1.5GHzcf?n?00()dB10 logFFdPLdPLdnd?(1.4)?0d?1.3?2?6?2n?1?22?n?0d?1?1?0d?1?1?23?1.3?n?3.?(n)?2?2.73.5?35?1.61.8?46?23?1?24100101102103405060708090100110?-?,fc=1500MHz?m?dBn=2n=3n=6?1?25?1.6?1.5GHzcf?(1.4)?n?:?X?000()dB()10 logFdPL dP

5、L dXPLdnXd?(1.5)?1.7?1.5GHzcf?3?dB?1?26?2n?1?27100101102103405060708090100110?m?dB?-?,fc=1500MHz?1?2?3?1.7?110?-?,fc=1500MHz?1?28?0d?0fdd?fd?22/fdD?(?D?)?0()RP d?1.1?0dd?200()()RRdP dP dd?0fddd?(1.6)?()RP d?dBm?dBW?dBm?dBW?1?2900()()dBm10log20log0.001WRRP ddP dd?0fddd?(1.7)?0()RP d?16?2m?900 MHz?2mD

6、?900MHzcf?863 10 m/s/0.33m900 10 Hzcf?1?30?fd?2222 224.24m0.33fDd?16?50W?900 MHz?(1)dBm?(2)?dBW?50W?100m?dBm?(10 Km)RP?50WTP?cf?900 MHz?1.7?(1)?1?31?3(dBm)10log(mW)/(1mW)10log(50 10)47(dBm)TTPP?(2)?(dBW)10log(W)/(1W)10log5017dBWTTPP?1.1?223222250(1)(2)(0.33)6.9 10(mW)(4)(4)100(1)TTRRP G GPd L?3(dBm)

7、10log(mW)=10log(6.9 10 mW)21.6(dBm)RRPP?0100 md?dBm?10 Km?1?32?1.7?100(10 Km)(100)+20log=61.6(dBm)10,000RRPP?1.2.1.2 Okumura/Hata?Okumura/Hata?cost-231?5001500MHz?1100?301000?Okumura?d?1?33OkMUArea()dB(,)FRTPLdPLAf dGGG?MU(,)Af d?f?AreaG?MU(,)Af d?AreaG?7-8?Okumura/Hata?Hata,U()dB69.5526.16log13.82l

8、ogcTPLdfh?(44.96.55log)logRTChd?1?34?RC?0.8+(1.1log0.7)1.56logRcRcCfhf?RC?228.29(log(1.54)1.1,150MHz200MHz3.2(log(11.75)4.97,200MHz1500MHzRcRRchfChf?d?2Hata,SUHata,U()dB()dB2(log(/28)5.4cPLdPLdf?1?352Hata,OHata,U()dB()dB4.78(log()18.33log40.97ccPLdPLdff?1.8?Okumura/Hata?1?361001011021034050607080901

9、00110Hata?,fc=1500MHz?m?dB?1.8Hata?1?371.2.1.3?IEEE 802.16d?A?B?C?1.4?912?1.4 IEEE 802.16d?A?B?C?1?38IEEE 802.16d?:802.160()dB()dB 10 logFfRdPLdPLdCCd?(0dd?)(1.8)?(1.8)?0d=100?/TTabhc h?a?b?c?1.5?1.5?IEEE 802.16d?A,B?C?A?B?C a4.6 4 3.6 b0.0075 0.0065 0.005 c12.6 17.1 20?1?39?fC?cfMHz?106log(/2000)fc

10、Cf?RC?101010.8log(/2)A B20.0log(/2)C RRRhCh?(1.9)?101010.0log(/3),3m20.0log(/3),3mRRRRRhhChh?(1.10)?(1.9)?AT&T?(1.10)?1?40Okumura?1.9?IEEE 802.16d?2GHz?30?2?10?1?4110010110210320406080100120140IEEE 802.16d?,fc=2000MHz?m?dBhT=30m,hR=2mhT=30m,hR=10m?1.9IEEE 802.16d?1?42?(1.8)?(1.3)?00010101004420log20

11、log10 logfRdCCd?(1.11)?0?100010fRCCd?(1.12)?(1.8)?IEEE 802.16d?1?43100802.1601000420log,()dB420log10 log,fRddPLddCCdd?1.10?IEEE 802.16d?1?4410010110210320406080100120140?IEEE 802.16d?,fc=2000MHz?m?dBhT=30m,hR=2mhT=30m,hR=10m?1.10?IEEE 802.16d?1?451.3?1.3.1?(PDP-power delay profile)?1.6?ITU-R?1?46?1.

12、6?:?(ITU-R?A?).?(ns)?(dB)1 0 0.0 2 110?9.73 190?19.24 410?22.81.3.1.1?k?k?ka?()kP?1?47?22()()kkkkkkkkkkaPaP?22()?:22222()()kkkkkkkkkkaPaP?cB?cB?1?481cB?(1.13)?1.11?1?49?1.11?-8-6-4-202468-0.200.20.40.60.81?s1/2cT?1?50?1.12?-50 0 50 100 150 200 250 300 350 400 450?(dB)100-10-20-30?=-20dB?0?=45.05 ns?

13、10dB=84ns?=46.40ns?1?51?1.12?1.3.1.2?(?)?(?)?1?521.3.1.3?:?(?)?1.13?1.13(a)?(?)?1?53?scBB?sT?.?sB?sT?cB?1.13(b)?scBB?sT?.?1?541.3.1.4?mf?dB?2dmBf?cT?1cmTf?(1.14)?scTT?sdBB?1?55?scTT?sdBB?scTT?sdBB?1?56?1.13(a)?0sT?0?()S f()R f()H f()s t0sTffftttcfcfcf(,)h t?()s t()r t(,)h t?()r tsT?1?57?1.13(?)?1.13

14、(b)?(,)h t?()s t()r t?0?0sTcfcfcffffttt0 ssTT?()s t(,)h t?()r t()S f()H f()R f?1?58?0.5?(1.14)?916cmTf?(1.15)?(1.14)?(1.15)?290.42316cmmTff?16?10 dB?()P?1.14?1?59?cB?10 dB?10dB3 sec?1.14?1.3?01234-40dB-30dB-20dB-10dB0dB()P?sec?1?60?(1.9)?(0.01)(0)(0.01)(1)(1)(2)(0.1)(3)(0.01)(4)0.010.010.10.01?2.352

15、.08 sec1.13?222222(0.01)(0)(0.01)(1)(1)(2)(0.1)(3)(0.01)(4)0.010.010.10.01?5.074.49 sec1.13?(?1.10)?1?6124.49(2.08)0.4 sec?(?1.11)?112.5MHz0.4 seccB?2.5MHz?1.3.1.5?angle of arrival?angle of departure?1?62?()AP?()1AkkP?22()?2?()kAkkP?22()AkkkP?1?63?cD?cRMS1/D?cD?10?16?3?5?1.15?00(5,15)?1?64?-80-60-40

16、-2002040608010-1100101DOA?PA(?)dB?1.15?()AP?()AP?1?65?(ISI)?1.16?1?66?1.3.2?1.3.2.1?Clarke?1.17?v?1?67?()x t?2()Re()cjf ts tx t e?1.17?v?vxzycoscosimvff?1?68?Re?cf?I?2()()1()Re()ciiIjfftiiir tes t?(1.16)?i?i?if?i?v?coscosimvff?1?69?(1.16)?()1()()iIjtiiir tes t?(1.17)?()2()()iciitfft?()1(,)()iIjtiiih

17、 tet?(1.18)?()?Dirac delta?sT?i?(1.18)?1?70(,)()()h th tt?()1()iIjtiih te?()1s t?2()Re()()()cos(2)()sin(2)cjf tIQIcQcr th tjh teh tf th tf t?()Ih t?()Qh t?()h t?1?7111()cos()()sin()IIiiiIQiiih tth tt?(1.19)?I?(1.19)?()Ih t?()Qh t?22()()()IQr th th t?(power spectrum density?PSD)?()r t?13?1?72224()()0

18、 pmcmmrrmcfffffSffff?(1.20)?221()Ipiir t?(1.20)?22()()()IQr th th t?1?73?(line-of-sight?LOS)?(?)?AoA()P?0?AoA01()()()11KPPKK?(1.21)?K?2D?2?1?7422DK?(1.22)?(1.21)?1.3.2.2?1.18?1?75?(a)?(b)?1.18?1?76?1.18(a)?j?2/2?22X?2222()tXtfte?(0t?)(1.23)?1?77?1.18(b)?+Xj?2/2?X?2222022()tXttfteI?(1.24)?0()I?Bessel

19、?(1.24)?1?78(1.22)?K?(?0K?0?)?(1.24)?(1.23)?0K?K?(1.24)?K?40?dB?15K?dB?1.19?1?7900.511.522.533.5400.511.522.5x 104RayleighRician,K=-40dBRician,K=15dBRician,K=20dB?1.19?1?801.4?(SISO)?(SISO)?1.4.1?1?81?(PAS?power azimuth spectrum)?1?821.4.1.1?2?(?1.20(a)?(?1.20(b)?2?(?00?)?(?10?)?max1?1/2?(?1?831/2?)

20、?/1()ddPe?(1.25)?d?(PDP)?1.20(b)?d?d?1?84maxln()dA?A?maxmax()/(0)exp(/)dAPP?(1.25)?sT?/1()skTP ke?,max0,1,kp?(1.26)?k?maxp?1?85maxmax/spT?(1.26)?maxmax(+1)/total/01 1()1sspTpTkePP ke?(1.27)?(1.27)?(1.26)?/()(0)skTP kPe?,max0,1,kp?(1.28)?(0)P?(1.27)?(1.28)?total(0)1/()PP?()P k?1.20(b)?1?8602040608010

21、012014000.20.40.60.811.21.41.61.82x 10-3?ns?02040608010012014000.10.20.30.40.50.6?ns?2-?(a)?(b)?1.20?=30ns?=30ns?1?871.4.1.2 IEEE 802.11b?IEEE 802.11?2.4 GHz?20?(FIR)?sT?max10/sPT?1?88?k?2/2k?12khzjz?,max0,1,kp?1z?2z?2(0,/2)k?IEEE802.11?10?/220skTke?,max0,1,kp?1?89?20?20?max/20(1)/11ssTpTee?IEEE 802

22、.11?sT?1/4s?1?90-10-8-6-4-20246810-12-10-8-6-4-202?MHz?dB?,?=25ns,TS=50ns-10123456700.10.20.30.40.50.60.70.80.91?,k?IEEE 802.11?,?=25ns,TS=50ns?1.21 IEEE 802.11?(a)?(b)?1?91?1.21?IEEE 802.11?(?1.21(a)?)?(?1.21(b)?)?15dB?1.4.1.3 Saleh-Valenzuela(S-V)?Saleh?Valenzuela?S-V?21?1.22?S-V?1?92?m?mT?11(|)ex

23、p()TmmmmfTTTT?,1,2,m?(1.29)?,1,1,(|)exp()r mrmr mrmf?,1,2,m?,1,2,r?(1.30)?1?93?,r m?m?r?m?0,m?m?mT(?,0,mmT?)?,r m?,r m?m?r?,11()()r mjr mmr mmrh tetT?(1.31)?,r m?0,2?,r m?1?9422/2()2 xExfxeE?(0 x?)(1.32)?(1.32)?2,r mE?m?r?,/22,0,0r mmTr mEEee?(1.33)?20,0E?1?1?1.22?(1.33)?S-V?1?95?/mTe?,/r me?1?1?20,

24、0E?(1.33)?(1.32)?1?1?1?(1.32)?M?R?(1.31)?X?1020log()X?1?962(0,)X?,11()()r mjr mmr mmrh tXetT?(1.34)?1.23?0.023?0.023?7.4?4.3?3X?dB?S-V?1.23(a)?(b)?m?mT?m?r?,r m?(1.29)?(1.30)?1.23(c)?S-V?1.23(d)?1,000?S-V?1?97?I?II?III/Te?/e?1.22?S-V?1?9805010015020025030035000.0050.010.0150.020.025Tm-Tm-1nsp(Tm|Tm-

25、1)?,?=0.0233?00.511.522.533.544.5500.511.522.5?r,m-?(r-1),mnsp(?r,m|?(r-1),m)?,?=0.0233?(a)S-V?(b)S-V?1?9902040608010012000.020.040.060.080.10.120.140.160.180.2?ns?-10-8-6-4-20246810020406080100120?-?,?X=3dB20?log10(X)dB?(c)S-V?(d)S-V?1.23 S-V?1?1001.4.1.4?UWB?Nakagami?22?Saleh-Valenzuela?SG3a?Saleh

26、-Valenzuela?i?1?101()()(),11()()iiiiir mmr mmrh tXtT?(1.35)?iX?(),ir m?()imT?(),ir m?(1.34)?i?i?(1.35)?i?S-V?(1.29)?(1.30)?,r mr mmr mp?(1.36)?1?102?m?m?21?,r m?m?r?22?,r mp?1?1?0,2?(1.31)?S-V?m?,r m?1?103?,12()/20,10r mzzmr m?2210,1220log(,)mr mr m?,2/,0r mmTmr mEee?0?m?r?1?104220,12,10ln()10/10/()

27、ln(10)ln(10)20mr mr mT?S-V?X?1?2?1.7?SG3a?1?2?3?4?1?2?04?1?105?3?410?4?1.7 UWB?1?2?3?4?5.05 10.38 14.18?5.28 8.03 14.28 25.0 10dBNP 35.0 NP(85%)24 36.1 61.54?0.0233 0.4 0.0667 0.0667?2.5 0.5 2.1 2.10?1?106?7.1 5.5 14.0 24.0?4.3 6.7 7.9 12.0 1?3.3941 3.3941 3.3941 3.3941 2?3.3941 3.3941 3.3941 3.3941

28、 X?3.0 3.0 3.0 3.0?(?10dBNP)?PDP?1?10701020304050607080-1.5-1-0.500.511.5?ns010203040506070809010023456789101112dB?ns(a)(b)?1?10801020304050607080901002468101214?ns?dB01020304050607080901004681012141618202224?dB?10 dB?(c)(d)?1?109020406080100-60-50-40-30-20-100?n sec?dB0102030405060708090100-10-8-6-

29、4-20246810?dB?1?110?1.24?1.24?a?f?1.8?1?111?1.8 UWB?1?2?3?4?5.0 9.9 15.9 30.1?5.0 8.0 15.0 25.0 10dBNP12.5 15.3 24.9 41.2 NP(85%)20.8 33.9 64.7 123.3?0.4?0.50.0 0.03?2.9 3.1 3.1 2.7?1?112 1.4.2?1.4.2.1?FWGN?Clarke/Gans?Clarke/Gans?(FWGN)?1)Clarke/Gans?1?113 Clarke/Gans?24?1.25?Clarke/Gans?IFFT?IFFT?

30、1?114?1.25?Clarke/Gans?IFFT?IFFT?2?Q()jh tIQ()()()h th tjht?I()h tmfmfmf?mf?00?2221.5()mmmcfS fffff?1?115?1.26(a)?mf?100 Hz?sT?50?1.26(b)?(c)?Clarke/Gans?1?116(a)Clarke/Gans?00.050.10.150.20.250.30.350.40.450.5-20-15-10-505Clarke/Gan?,fm=100Hz,Ts=50us?s?dB?1?117?1.26 Clarke/Gans?-4-3-2-10123400.511.

31、522.5x 104Clarke/Gan?,fm=100Hz,Ts=50us?rad?00.511.522.533.50123456x 104Clarke/Gan?,fm=100Hz,Ts=50us?(c)(b)(b)Clarke/Gans?(c)Clarke/Gans?1?118 2?FWGN?I-METRA?I-METRA?1.27?dmff?2df?1.27(a)?1.27(b)?osN?os2DdBN f?1/DtB?FFadingNN?F/mDfBN?1?119?FadFad1/mDTfNB?1.27(c)?1?120(b)?mf0OS2mNfOSmNfOS2DmBNf?0OS1/1

32、/(2)DmtBNf?FF1/TfNB?mf?mf02mfmf0(a)?1?121?FN?IFFT?osF2/mdfN fN?Fados/(2)DdmNffNN?0OS1/1/(2)DmtBNf?FF1/TfNB?01DN?F1N?OS2DmBNf?FOSF/2/mDmfBNNfN?FOS/(2)DmmNffNN?(c)?1.27?1?122?FadT?max,df?DN?FN?osN?FadFadFad/2 12/2 kNjjnk NkNh nS k ee?(1.37)?S k?/mkff?/ntt?1?123?k?0,2?1.28(a)?(b)?FWGN?100 Hz?10 Hz?1?12

33、400.050.10.150.20.250.30.350.40.450.5-20-15-10-50510?FWGN,Nfading=1024,Nfos factor=8?s?dB?1,fm=100Hz?2,fm=10Hz00.050.10.150.20.250.30.350.40.450.5-20-15-10-50510?FWGN,Nfading=1024,Nfos factor=8?s?dB?1,fm=100Hz?2,fm=10Hz(a)?FWGN?1.28?FWGN?(b)?FWGN?1?1253)?FWGN?1.29?FWGN?1.29 FWGN?1?126?FWGN?osN?IFFT?

34、FadN?FWGN?FWGN?FWGN?()1S f?,max,dff?.?1?127?112122()expcos()expcos()1S ffff?,1f?.?(PAS)?f?max,df?1.4.2.2 Jakes?1?128?Jakes?1.30?Jakes?1.30(a)?Jakes?1.30(b)?Jakes?1.30(b)?0N?cosndn?01,2,nN?max,2ddf?1?129?0011()2(coscos)2coscos()2(sincos)2sincosNInnNdnNQnnNdnh ttth ttt?(1.38)?n?N?n?max,df?0N?,0/(1)nnN

35、?,01,2,nN?Jakes?1?130?00()()()21IQEh th tjh tN?0E?01Nnn?:max,cos2cos(2/)ndndfn N?,01,2,nN?0N?08N?(1.38)?200000()()22121QIE h tE h tEEENN?(1.39)?1?131?2200()()E h tEE h tE?(1.40)?()()0IQE h t h t?(1.41)?1?13200.050.10.150.20.250.30.3500.10.20.30.40.50.60.70.80.910.1?cos(?n)?a?Jakes?1?13312cost?22cost

36、?02cosNt?2cosdt?1cos?2cos?0cosN?cosN?1sin?2sin?0sinN?sinN?cosct?/2?32cost?sinct?3cos?3sin?123?d?0N?1.30 Jakes?b?Jakes?1?134?(1.40)?Jake?0E?20E?(1.39)?(1.41)?Jake?20/2E?1?13500.0050.010.0150.020.0250.030.0350.040.0450.05-20-15-10-50510Jakes?,fd=926Hz,Ts=1e-006s?s?dB(a)Jake?1?13600.511.522.53050010001

37、500200025003000Jakes?,fd=926Hz,Ts=1e-006s?dB?-4-2024050010001500Jakes?,fd=926Hz,Ts=1e-006s?01234x 10-300.20.40.60.81?,fd=926Hz?s?-1-0.500.510100200300400500600Doppler?,fd=926Hzf/fd?(b)(c)(d)(e)?1?1371.4.2.3?1.32?(?2M?)?(?)?(PAS)?(?)?0?(RMS?AS)?1?138?(PAS)(,)P?1?2?1?2?(PAS)?222111222111(,)2(1)2Pdedee

38、a M?(1.42)?a?M?1a?(1.42)?0?2a?1?139?(1.42)?1a?01/31/31/3?1.32?1?140-5-4-3-2-101234500.20.40.60.81?=1?,M=20?m+1?1.33?1?141?1.32?2M?(1.42)?211(,)6Pd?2a?(1.42)?211degln(1)2mmea M?,0,1,2,/21mM?,00?(1.43)?M?00?(1.43)?1?00?1?142?23/2,M?(1.43)?M?00?23/2,M?(1.43)?(1.43)?12/2,M?1.33?20M?(AS)1?1.9?1?143?1.9?2

39、?(?)5?(?)35?(?)1,2?0.0894?0.2236?1.5649 3,4?0.2826?0.7064?4.9447 5,6?0.4984?1.2461?8.7224 7,8?0.7431?1.8578?13.0045 9,10?1.0257?2.0894?17.9492 11,12?1.3594?3.0894?23.7899 13,14?1.7688?4.0894?30.9538 15,16?2.2961?5.0894?40.1824 17,18?3.0389?7.0894?53.1816 19,20?4.3101?10.7753?75.4274?1?1441.4.2.4?(?1

40、.33?)?1.34?2/M?M?1?145?,?(?2?,5?35?10?,15?179?)?0.5,0.5?(?1.34?)?mm?,0,1,1mM?0.5,0.5?1?146?1.4.2.5?1.34?(?0?)?2.5,1.5?03?2?1?1471?Tapped Delay Line?TDL?(?Jakes?)?(?1.35?)?(FIR)?0()()Nmmr na s nm?N?(FIR)?1?148a0aN?a1?1?N?1.35?s(t)r(t)?1?149?1.35?ma(0,1,mN?)?m?(1,2,mN?)?m?(1,2,mN?)?2?COST207?COST207?2

41、9-30?COST207?4?(Rural Area,?RA)?(Typical Urban,?TU)?(Bad Urban,?BU)?(Hilly Terrain,?1?150HT)?4?(Rural Area,?RA)?9.200.7()0elseesP?(Typical Urban,?TU)?00.7()0elseesP?(Bad Urban,?BU)?1?151505()0.55100elseesPes?(Hilly Terrain,?HT)?3.51502()0.15100elseesPes?4?1.10(a)?(d)?1?152?1.10(a)?29?(s?)?(dB)?100?2

42、0.22?(Clarke)30.410?(Clarke)40.620?(Clarke)?1.36?1.10(c)?12?1?153?1.10(b)?29?(s?)?(dB)?103?(Clarke)20.20?(Clarke)30.62?I41.66?I52.48?II65.010?II?1?154?1.10(c)?29?(s?)?(dB)?103?(Clarke)20.40?(Clarke)31.03?I41.65?I55.02?II66.64?II?1?155?a?b?00.10.20.30.40.50.60.70.80.9100.10.20.30.40.50.60.70.8?=6?hn?

43、00.10.20.30.40.50.60.70.80.9100.10.20.30.40.50.60.7?=12?hn?a?b?1?156?00.10.20.30.40.50.60.70.80.910.40.450.50.550.60.650.70.750.8?H?=6?=12?1?157?1.10(d)?(s?)?(dB)?100?(Clarke)20.22?(Clarke)30.44?(Clarke)40.67?(Clarke)515.06?II617.212?II3?SUI(Stanford University Interim?SUI)?1?158SUI(?)?IEEE 802.16d?

44、10-11?(?1.11)?SUI?1.12?SUI?(Doppler power spectrum?PSD)?2400001 1.720.785 1()0 1fffS ff?(1.44)?1?159?0/mfff?(1.44)?1.11?SUI?SUI?A SUI-5SUI-6 B SUI-3SUI-4 C SUI-1SUI-2?1.12?ENV?MIMO?1?160?1.12 SUI?SUI 1/2/3/4/5/6?1#?2#?3#?0/0/0/0/0/0 0.4/0.4/0.4/1.5/4/140.9/1.1/0.9/4/10/20?(?)dB0/0/0/0/0/0-15/-12/-5/

45、-4/-5/-10-20/-15/-10/-8/-10/-14 90%K-?4/2/1/0/0/0 0/0/0/0/0/0 0/0/0/0/0/0 75%K-?20/11/7/1/0/0 0/0/0/0/0/0 0/0/0/0/0/0 50%K-?-/-/-/-/2/1-/-/-/-/0/0-/-/-/-/0/0?(30o)dB0/0/0/0/0/0-21/-18/-11/-10/-11/-16-32/-27/-22/-20/-22/-26 90%K-?16/8/3/1/0/0 0/0/0/0/0/0 0/0/0/0/0/0 75%K-?72/36/19/5/2 0/0/0/0/0/0 0/0

46、/0/0/0/0 50%K-?-/-/-/-/7/5-/-/-/-/0/0-/-/-/-/0/0?Hz 0.4/0.2/0.4/0.2/2/0.40.3/0.15/0.3/0.15/1.5/0.30.5/0.25/0.5/0.25/2.5/0.5?1?161?0.7/0.5/0.4/0.3/0.5/0.3?dB?0.0/2.0/3.0/4.0/4.0/4.0?dB(?)?-0.1771/-0.393/-1.5113/-1.9218/-1.5113/-0.5683 dB(30o)-0.0371/-0.0768/-0.3573/-0.4532/-0.3573/-0.1184?C/C/B/B/A/A

47、?(?)?0.111/0.202/0.264/1.257/2.842/5.240?K-?3.3/16/0.5/0.2/0.1/0.1(90%)10.4/5.10/1.6/0.6/0.3/0.3(75%)-/-/-/-/1.0/1.0(50%)?(30o)?0.042/0.69/0.123/0.563/1.276/2.37?K14.0/6.9/2.2/1.0/0.4/0.4(90%)44.2/21.8/7.0/3.2/1.3/1.3(75%)-/-/-/-/4.2/4.2(50%)?1?162?1.37?SUI?1.37(a)-(b)?1.11?SUI-6?1.37(a)?SUI-6?1.37(

48、b)?(?)?1?1630246810121416182000.20.40.60.81?ms?(a)SUI?1?164(b)SUI?0102030405060-40-200?s?dB?1?2?3-2-101200.511.52?Hzh1?-2-101200.20.40.60.81?Hzh2?-2-101200.20.40.60.81?Hzh3?1.37SUI?1?1651.5.?1.5.1?1.38?1?166?(angle-of-arrival?AoA)?RN?d?1.38?()iy t?i?i?i?1?167?i?1.39?1?0?2?a?1?168?1.39(a)?1.38?(b)?(c

49、)?(d)?1.39?PASPDF0?1?2?1?169?DM?(AoA)?AoA?(?1.39(d)?AoA?(?PAS)?1.39(c)?AoA?PAS?AoA?PAS?AoA?(?Power Delay Spectrum?PDS?Power Delay?1?170Profile?PDP)?(?1.39(b)?RN?12()(),(),()RTNty ty tyt?y?1()()()()Liiiittt?yaxn (1.45)?L?()i?a?31?1?17112()(),(),()RTNaaa?a?()i?a?m?2(1)sin()/()()jmdmmafe?1,2,RmN?(1.46)

50、?(1.46)?()mf?m?(1.45)?()()(,)()()thtd dt?yaxn?(,)h?(Azimuth-Delay Spread?ADS)?1?172?(power azimuth-delay spectrum?PADS)?2inst1(,)(,)LiiiiP?(1.47)?PADS?(1.47)?inst(,)(,)PE P?(1.48)?(1.48)?PADS?(Power Azimuth Spectrum or Power Angular Spectrum?1?173PAS)?A()(,)PPd?(1.49)?2A0A()()Pd?0?AoA(?0A()Pd?)(?1.3