第三代移动通信(3G)及其防雷设计策略初探

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

2005No.4@cma-lpinfo.gov.cn13G3rdGeneration3G2Mbit/s384kbit/s144kbit/s3G3G()13G18973G1978AMPSAMPSTACSAMPS800MHzTACS900MHzETACSNTACSFDMA2005No.4@cma-lpinfo.gov.cn230kHz/25kHzGSMIS-95GSMISDNDAMPSIS-95GSMGSMTDMA64kbit/sISDNGSM900MHz1800MHzDCS1800GSMFDDTDMA8200kHzGSMDAMPSIS-54800MHzTDMAIS-95800MHz1900MHzCDMAPCS19962.5GPRSIS-95BCDMA1020CDMACDMAGSMGSMCDMACDMA3G(1)(2)(3)PSTN(4)RTTRadioTransmissionTechnology1)2Mbit/s384kbit/s144kbit/s9.6kbit/s2)3)ITU1985FPLMTSFuturePublicLandMobileTelecommunicationSystem1996IMT-2000InternationalMobileTelecommunication-2000-20002000MHz2000kbit/s2000IMT-2000WCDMACDMA2000TD-SCDMA3G2005No.4@cma-lpinfo.gov.cn32.1WCDMAWCDMAGSM/GPRSGSM/GPRSTDMATMIPIPUTRANATMIPMAPGPRSWCDMA1WCDMA25MHz33.84Mcps4AMR5/67,UESTTDSpaceTimeTransmitDiversityTSTDTimeSwitchedTransmitDiversity89Turbo10BPSKQPSK2.2CDMA2000CDMA2000IS-953G3GPP22GIS-95CDMAWINMobileIPATM1CDMA2000IS-952N×1.25MHzN=1,3,6,9,123N×1.2288Mcps48k/13kQCELP8kEVRC5:GPS/GLONASS6:7OTDOrthogonalTransmitDiversitySTSSpaceTimeSpreading89:Turbo10:BPSKQPSK2.3TD-SCDMATD-SCDMACWTS,3GPPWCDMA-TDDGSM/GPRSGSM/GPRSTDMATMIPIPUTRANATMIPMAPGPRSWCDMATD-SCDMATD-SCDMA3S(SmartAntenna)CDMA(SynchronousCDMA)(SoftwareRadio)TD-SCDMA2005No.4@cma-lpinfo.gov.cn4CDMADS-CDMACDMA(3GPP)3G3G3GGSM2G/GPRS(2.5G),CDMA(2.5G)3G2G2.5G3G3G12G/2.5G/3G3G3G3G22G/2.5G3G3G2G/2.5G2G/2.5G3G313G2G/2.5G80%2G/2.5G3G3G2G/2.5GTD-SCDMA3G2G/2.5G23G3G2G2G/3G3G2G3G2G2005No.4@cma-lpinfo.gov.cn533G2G2G3G2G3G2G/2.5G/3GNMP,3G1TD-SCDMA3GNodeBRNCMSCRNCMSCGMSCSGSNGGSNPSTN/OtherPLMNInternet3GNodeB2004-12-012345LPZOB2(1)(2)7/81/2″3m(3)7/8″5/4″15/8″(4)3M2228PVC3M33+(5)1/223m(6)7/87/8LPZOA,GB50343-20045.4.3LPZOBYD5068-983.2.13.3.12005No.4@cma-lpinfo.gov.cn635m2.5mGB5005745mSPDYD/T509820015.4.2SPD5kASPD10kA8/20,401.5SPDSPD1SPDSPDSPD15kA8/202SPDSPD15kV8/202001.5SPDSPD5kA8/20401.5SPDSPDSPDSPD0.50dB1.33G7/80.4dB/10m1.1SPD2005No.4@cma-lpinfo.gov.cn7YD/T509820015.4.1SPD0.2dB1.2SPD0.2dB1.11.5SPD30m≥60mSiteMaster4.2YD5068-983.1.5,,3.1.650m()LPZ0-125kA10/350100kA8/201.2/50sUp2kVSPDLPZ1-260kA8/20,Up1.8kV,20kA8/20,Up0.8kVSPDSPD4.3YD5068-98520105m10m1.5m,3m3m35m,2005No.4@cma-lpinfo.gov.cn8SPDSM34LPZ0ALPZ0BLPZ1MPLZ1-212005No.4@cma-lpinfo.gov.cn9215ml2ρlmΩ·m,GB50343-2004GB/T50311-20003G

1 / 9
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功