YD/T 1991-2009.Technical requirements for NX 40Gbit/s optical wavelength division multiplexing (WDM) systems.1范围YD/T 1991规定了单通路速率为40 Gbit/s密集波分复用(D...
YD/T 1992-2009.Test specifications for SDH-based multi-service transport platform(MSTP)-Interoperability..1范围YD/T 1992规定了基于同步数字体系(SDH)的多业务传送节点...
YD/T 1983-2009.Test method for ISC/Ma interface in IMS system in mobile communication network.1范围YD/T 1983规定了移动通信网ISC接口的第三方注册/注销、用户注册...
YD/T 1984-2009.Technical requirements for IMS system equipments in mobile communication network.1范围YD/T 1984规定了移动通信网IMS系统内的主要实体,包括HSS/SLF、...
YD/T 1985-2009.Testing methods for IMS system equipments of mobile telecommunication network.1范围YD/T 1985规定了移动通信网IMS系统内的主要实体的测试方法,包括...
YD/T 1986-2009.Technical requirements for Cx/Dx/Sh interfaces in IMS system of mobile communication network.1范围YD/T 1986规定了移动通信网IMS系统中Cx/Dx/Sh接口的定义...
YD/T 1987-2009.Testing methods for Cx/Dx/Sh interfaces in IMS system of mobile communication network.1范围YD/T 1987规定了移动通信网IMS系统中Cx/Dx/Sh接口的测试说明、...
YD/T 1978-2009.Measurement method for radiated RF power and receiver performance of 2GHz WCDMA mobile stations.1范围YD/T 1978规定了2GHz WCDMA移动台的空间射频辐射功率和...
YD/T 1979.1-2009.Technical Requirements of Roaming from 3G to 2G Network and from 3G to 3G Network Managed by Different Operators Part 1: Roaming from TD-SCDMA to GSM/GPRS Network a...
YD/T 1980-2009.Technical requirements for Mg/Mi/Mij/Mk/Mw/Gm interface in IMS system in mobile communication network.1范围YD/T 1980规定了移动通信网IMS系统中M系列接口以...