Distributed Link Adaptation for Multicast Traffic in MIMO-OFDM Systems

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Provided by: University of Texas at Arlington
Topic: Software
Format: PDF
Multicast traffic exploits the broadcast nature of the wireless medium to deliver the same data to multiple users improving the bandwidth efficiency. Link adaptation can be used in multicast transmission to further increase data rates exploiting feedback from the users. However, it is not easy to have the Quality of Service (QoS) of every intended receiver met while pushing the data rate to the link capacity is not easy. Due to this difficulty, the conventional approach is to transmit isotropically with a fixed basic rate giving up the opportunity of increased throughput.
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