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1.室内覆盖重要意义TD-SCDMA是第三代移动通信系统世界三大主流标准之一。高速数据业务是3G区别于2G的主要特征之一,而相比室外用户而言,室内静止用户更有可能使用3G丰富多彩的数据业务。3G为终端用户提供了许多新的业务,包括视频电话、视频流、游戏、MMS、E-mail、Web等,这些新业务更容易在室内应用,而且其要求更高的网络容量和QoS保证。同时根据统计,室内用户
1. The significance of indoor coverage TD-SCDMA is one of the three mainstream standards of the third generation mobile communication system in the world. High-speed data services are one of the main features that 3G differentiates itself from 2G, and indoor stationary users are more likely to use 3G rich and diverse data services than outdoor users. 3G offers many new services to end-users, including video telephony, video streaming, games, MMS, E-mail and Web. These new services are more easily applied indoors and require higher network capacity and QoS guarantees. At the same time according to statistics, indoor users