Abstract
While low transmission delays can meet the requirements of many applications, high throughput is the appeal of several others. Accordingly and taking into account the multi-user diversity (MUD) and the wireless broadcast advantage (WBA) features, we will address the problem of providing the maximum throughput while guaranteeing an acceptable transmission delay. We give an overview of the new rate-aware routing metric for multicast: EMTH. For each ongoing transmission, by doing rate adaptation and taking into consideration the link reliabilities, EMTH helps to choose the transmission rates that approximate the maximum multicast throughput expected. Results show that the proposed metric gives the best system performance and that it is possible to trade-off a very good throughput improvement for an insignificant delay increase.
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