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在CMMB传输覆盖系统中每一个无线传输频点都可以传送多套视音频和数据业务,本文介绍了通过控制逻辑信道中传送的系统控制信息搜索业务和通过CMMB的电子业务指南(ESG)信息搜索业务的两种机制。
In the CMMB transmission coverage system, each wireless transmission frequency point can transmit multiple sets of video and audio and data services. This article describes the system control information search service transmitted through the control logical channel and the electronic service guide (ESG) information search through the CMMB Two mechanisms of business.