Adaptive Hybrid Transmission Mechanism for On-Demand Mobile IPTV Over WiMAX

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Executive Summary

In this paper, the authors propose an Adaptive Hybrid Transmission (AHT) scheme for on-demand mobile IPTV service over broadband wireless access network (i.e. mobile WiMAX, 802.16e). Proposed algorithm utilizes hybrid mechanism which combines multi-channel multi-casting and unicast scheme to enhance not only service blocking probability but also reduce overall bandwidth consumption of the wireless system which has very limited resources compared to wired networks. An adaptive resource allocation algorithm is also proposed, and is shown to achieve minimum blocking probability. In order to evaluate the performance, they compare proposed algorithm against traditional unicast and multi-cast schemes.

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