| Summary: | 碩士 === 國立臺灣大學 === 電機工程學研究所 === 95 === Currently, all kinds of the wireless access networks are in widespread use. Among them, the WiMAX is regarded as the popular technology of the next generation. After the government releases the WiMAX spectrum licenses, the WiMAX will construct a seamless access networks with presently used wireless network of the WiFi and third-generation (3G). It will enable users to connect to the networks anywhere and anytime, and provide convenient access the networks in a cheaper price. With popular wireless network, the Internet protocol television (IPTV) will become killer application, providing considerable profits for the system service provider along with easy and cheap television programs accesses for the users. However, there are few researcher has studying the multimedia multicast scheduling in the WiMAX networks recently. Focusing on this point, we proposed a suitable multicast scheduling algorithm in the WiMAX networks. It makes the transmission of video streaming data in WiMAX wireless network guarantee radio resource management with weighted time fairness, higher throughput with our Channel-Aware design, frame priority transmission, guaranteed delay bound, reduced jitter and enhancements in its QoS. Besides, our scheduling algorithm has the cross-layer design. It can do optimization according to different layer information including video encoding and decoding from the Application layer, multicast scheduling algorithm from the Medium Access Control layer, adaptive date rate control from the Physical layer. It can enable users to watch television programs with good video quality and enjoy the entertainment that the IPTV brings.
|
|---|
