CDMA+1X无线网络设计（中文）

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1、LucentTechnologiesProprietaryLucentTechnologiesProprietaryLucentTechnologiesProprietaryLucentTechnologiesProprietaryLucentTechnologiesProprietaryIS-95IS-95CDMA-1XCDMA-1XCDMA-1XCDMA-1XCDMA-1XvoicevoiceDataDataDataDataData项目单位14.4kbps9.6kbps9.6kbps19.2kbps

2、38.4kbps76.8kbps153.6kbps备注(a)每业务信道最大发射功率dBm23232323232323(b)传输馈线,接头,混合器及人体损耗dB2220000数据用户无人体损耗(c)发射天线增益dBi2222222(d)每话务信道有效发射功率(a-b+c)dBm23232325252525(e)接收天线增益dBi15151515151515假设值(f)接收端馈线及接头损耗dB3333333(g)接收机噪声系数dB5544444(h)接收机噪声密度dBm/Hz-174-174-174-174

3、-174-174-174(i)接收机干扰余量dB3.53.55.55.55.55.55.572%的负载对3G1x(j)有效噪声干扰密度=(g+h+i)dBm/Hz-165.5-165.5-164.5-164.5-164.5-164.5-164.5(k1)信息速率(10log(Rb))dB41.639.839.842.845.848.951.9考虑空间分集接收，Turbo编码增益;1%目标FER对应9.6kbps,2%FER对应19.2kbps,2%FER对应38.4kbps,3%(l1)所需能噪比Eb/

4、No(IS-95),FER对应76.8kbps,Eb/Nt(CDMA-1X)dB7743.42.92.21.55%对应153.6kbps(m)接收机灵敏度dBm-116.9-118.7-120.6-118.1-115.4-112.9-110.3(n)切换增益dB333333375%的边缘覆盖分集增益已经包括在所需Eb(o)分集增益dB0000000/Nt中75%的边缘覆盖对应8dB对(p)对数正态衰落余量dB5.45.45.45.45.45.45.4数正态标准偏差(p')建筑物/汽车穿透损耗dB0.00

5、.00.00.00.00.00.0街道上(q)有效最大路径损耗{d-m+e+o+n-p-p'}dB149.5151.3153.2152.7150.0147.5144.9LucentTechnologiesProprietaryLucentTechnologiesProprietaryLucentTechnologiesProprietary-9.6kbpsFundamentalVoiceorDataCoverage-19.2kbpsSupplementalCoverage-38.4kbpsSupplem

6、entalCoverage-76.8kbpsSupplementalCoverage-153.6kbpsSupplementalCoveragealphabetagammaCellCite数据速率随手机向小区边缘移动而降低LucentTechnologiesProprietaryLucentTechnologiesProprietaryLucentTechnologiesProprietary30.0CDMA-X/IS-95共享载频时不同负载下的容量25.0TotalErlangsat20.055%of

7、LoadingTotalErlangsat15.072%ofLoading2GErlangs10.0C3GErlangsa5.0pac3GErlangsit0.0yi020406080100nErPercentageofIS-95trafficlangsLucentTechnologiesProprietaryLucentTechnologiesProprietary120100800%IS-956025%IS-954050%IS-9575%IS-95201xDatathro0ugh0.02.04.06

8、.08.010.012.014.016.018.020.0put(kbp-20s/se1xVoicecapacity(Erlangs/sector/carrier)ctor/carrier)LucentTechnologiesProprietaryLucentTechnologiesProprietaryCDMA-1X专用载频1XIS-95IS-951X/IS-951X/IS-95IS-95IS-95IS-95LucentTechnolog