采用索引广播的方式可以使移动设备选择性地侦听信道，通过建立基于数据访问概率的索引树，以降低平均访问代价。
The mobile client may selectively to intercept the channel by the index broadcast, the average cost can be reduced through the establishment base on the data accessing probability of the index tree.
简要概括了多信道数据广播方式下的数据访问冲突和数据划分以及磁盘匹配问题。
Sum up data accessing conflict data distribution and disk matching in multichannel data broadcast concisely.
介绍了影响多广播信道数据访问性能的诸多相关内容，广播内容的优先级定义、多信道环境下的调度策略等。
Introduces some contents that connected with the capability of multichannel data accessing, such as broadcast priority definition, attemper strategy in multichannel circumstance and so on.
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