在本文中，我们了解了为何以及如何在IPTV环境中使用WebSphere Portal创建“家庭多媒体控制面板”门户，以便在电视机上进行通信和娱乐。
In this article you saw why and how to use WebSphere portal in an IPTV environment to create a "home dashboard" portal for communication and entertainment on a TV set.
另一方面，功率控制、数据速度分配也是改善无线多媒体通信频谱利用率的两种基本技术。
On the other hand, power control and data rate allocation are two fundamental techniques for improving the spectral efficiency of wireless multimedia communications.
主要分析有望适配应用在未来超宽带网络中的IEEE 802.15.3的媒体接入控制协议的基本原理，应用超宽带通信具有精确定位信息的特征，改进IEEE 802.15.3协议。
It is mainly analyzed that the basic principle of IEEE 802.15.3 media access control protocol which is as one of the most suitable protocols for ultra-wideband networks.
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