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1.引言随着经济和技术的不断发展,人们迫切需要得到各种方便、快捷和个性化的移动信息。3G时代的到来将使人们能够享受到多媒体、语音、图像等服务。WCDMA系统充分考虑到从第二代GSM系统过渡到第三代的问题,其技术、设备及其相关协议相对成熟.最终用户将因此能以比较合理的价格享受质量优良的第三代移动通信业务。在大规模覆盖、大容量通信等方面,WCDMA系统都具有优势。同时,WCDMA系统不需要小区间同步,可适应室内、室外,甚至地铁等不同环境的应用。三星电子作为国际知名企业,_一直在WCDMA的发展方面处于领先地位。三星电子是世界上第一个提供基于R4版本,商业化WCDMA网络设备的厂商,并且三星电子已经具有从移动终端到系统设备的WCDMA完整解决方案。三星积极参与3GPP的标准制
1. Introduction With the continuous development of economy and technology, people urgently need a variety of convenient, quick and personalized mobile information. The advent of the 3G era will enable people to enjoy multimedia, voice, image and other services. The WCDMA system fully considers the transition from the second generation GSM system to the third generation, and its technology, equipment and related protocols are relatively mature. Therefore, the end user will be able to enjoy the high quality third generation mobile communication service at a reasonable price . In large-scale coverage, high-capacity communications, WCDMA systems have advantages. At the same time, WCDMA system does not require inter-cell synchronization, which can adapt to different environments such as indoor, outdoor and even subway. Samsung Electronics, as an internationally renowned company, has always been a leader in the development of WCDMA. Samsung Electronics is the first company in the world to provide R4-based, commercialized WCDMA network equipment, and Samsung Electronics already has a complete WCDMA solution from mobile devices to system equipment. Samsung is actively involved in the standardization of 3GPP