Networking

Network Coding for Multi-Resolution Multicast

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Executive Summary

Multi-resolution codes enable multicast at different rates to different receivers, a setup that is often desirable for graphics or video streaming. The authors propose a simple, distributed, two-stage message passing algorithm to generate network codes for single-source multicast of multi-resolution codes. The goal of this pushback algorithm is to maximize the total rate achieved by all receivers, while guaranteeing decodability of the base layer at each receiver.

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