YD/T 1991-2009.Technical requirements for NX 40Gbit/s optical wavelength division multiplexing (WDM)...
YD/T 1992-2009 基于同步数字体系(SDH)的多业务传送节点(MSTP)测试方法互联互通部分
YD/T 1992-2009.Test specifications for SDH-based multi-service transport platform(MSTP)-Interoperabi...
YD/T 1983-2009 移动通信网 IMS 系统接口测试方法 ISC/Ma 接口
YD/T 1983-2009.Test method for ISC/Ma interface in IMS system in mobile communication network. 1范围 Y...
YD/T 1984-2009 移动通信网 IMS 系统设备技术要求
YD/T 1984-2009.Technical requirements for IMS system equipments in mobile communication network. 1范围...
YD/T 1985-2009 移动通信网 IMS 系统设备测试方法
YD/T 1985-2009.Testing methods for IMS system equipments of mobile telecommunication network. 1范围 YD...
YD/T 1986-2009 移动通信网 IMS 系统接口技术要求 Cx/Dx/Sh 接口
YD/T 1986-2009.Technical requirements for Cx/Dx/Sh interfaces in IMS system of mobile communication ...
YD/T 1987-2009 移动通信网IMS系统接口测试方法 Cx/Dx/Sh 接口
YD/T 1987-2009.Testing methods for Cx/Dx/Sh interfaces in IMS system of mobile communication network...
YD/T 1978-2009 2GHz WCDMA 移动台空间射频辐射功率和接收机性能测量方法
YD/T 1978-2009.Measurement method for radiated RF power and receiver performance of 2GHz WCDMA mobil...
YD/T 1979.1-2009 不同运营商间3G到2G网络、3G到3G网络漫游技术要求 第1部分: TD-SCDMA 到 GSM/GPRS 网络、TD-SCDMA 到 TD-SCDMA 网络漫游
YD/T 1979.1-2009.Technical Requirements of Roaming from 3G to 2G Network and from 3G to 3G Network M...
YD/T 1980-2009 移动通信网 IMS 系统接口技术要求 Mg/Mi/Mj/Mk/Mw/Gm 接口
YD/T 1980-2009.Technical requirements for Mg/Mi/Mij/Mk/Mw/Gm interface in IMS system in mobile commu...
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