W-CDMA stands for Wideband Code Division Multiple Access Its an  air interface standard found in  3G  mobile telecommunications  networks designed for “always-on” packet-based wireless service, so that computers entertainment dev

UMTS中一种新的RAN结构及其接入控制技术的研究 论文重点研究了这种架构下的关键技术之一一呼叫接入控制技术。文章在分析未来移动通信系统特点的基础上，认为HCS(分层小区结构)是未来移动通信的主要覆盖模式。那么在HCS覆盖模式 下的IP．RAN中的呼叫接入控制策略可以分解为：无线资源部分的层选择技术、接入控制技术和切换技术和IP．RAN网络部分的接入控制技术、切换技术。-This paper focuses on the key technology of the framework of

EDGE, the fastest transmission standard currently in use in GSM networks, is creating brand new opportunities for computing applications. The MC75 from Siemens enables you to make use of this speed in your own products, facilitating multimedia down

The Universal Mobile Telecommunication System (UMTS) offers a consistent set of services to mobile computer and phone users and numerous different radio access technologies will co-exist within the UMTS system’s core network – security is, therefore,