广播商可以在数字频道内发送码率为19.39 Mbps的数字数据流，但他可以用不同的方案来利用这个带宽，例如。

Broadcasters have the ability to use this stream in several different ways. For example.

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卫星通信系统通常需要将多种业务通过若干频道广播给用户，合理的业务调度方案对于系统效率具有重要意义。

Satellite communication systems usually broadcast a range of traffic to various clients through several channels, thus a reasonable traffic scheduling scheme is important to the system's efficiency.

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提出了一种基于组播频道跳变的安全特定源组播通信方案。

This paper proposes a secure source specific multicast scheme based on multicast channel hopping.

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