Bit Allocation of WWAN Scalable H.264 Video Multicast for Heterogeneous Cooperative Peer-to-Peer Collective

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Executive Summary

By exploiting multiple network interfaces on one device, e.g., Wireless Wide Area Network (WWAN) and Wireless Local Area Network (WLAN), peers receiving different subsets of WWAN broadcast/multicast packets can perform Cooperative Peer-to-peer Repair (CPR) by exchanging received WWAN packets with their local WLAN peers. This effectively improves the transmission success from a WWAN broadcast/multicast source to a CPR collective. In this paper, the authors propose an intelligent joint source/channel bit allocation scheme for WWAN scalable video multicast that leverages on the CPR paradigm.

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