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Optimized Multicast Service Management in a Mobile WiMAX TV System

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4 Author(s)
Ning Liao ; Corp. Res. Beijing, Thomson Broadband R&D Co. Ltd., Beijing ; Yuntao Shi ; Jianfeng Chen ; Jun Li

WiMAX technology is a good candidate to provide broadcast TV services for mobile users because it supports QoS based multicasting functionality. To provide multicast-based TV services over the mobile WiMAX network, a multicast session setup involves both MAC-layer and IP-layer multicast management. However, in mobile environment, IP-layer multicast management entails service interruption due to unreliable wireless transmission, and disrupts mobile terminal's power-saving mode. In this paper, we propose a cross-layer multicast service management scheme that can not only avoid the service interruption and power-saving mode disruption but also reduce the bandwidth consumption for IP-layer multicast signaling. Simulation results demonstrate that the scheme can eliminate the unnecessary power consumption caused by IP-layer multicast signaling, and improve the wireless uplink throughput as well. We also study, by simulation, the influence of the multicast management signaling procedures on channel switching time that is a major performance indication for mobile TV services.

Published in:

Consumer Communications and Networking Conference, 2009. CCNC 2009. 6th IEEE

Date of Conference:

10-13 Jan. 2009

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