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2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications
In a broadcast channel in which one transmitter provides independent streams of data for ¢ receivers, the amount of channel state information (CSI) at the transmitter can affect the capacity region dramatically. Having the accurate SNR of all users at the transmitter, the opportunistic strategy can be used to maximize the throughput (sum-rate) of the system. However, evaluating the SNR is basically an estimation problem at the receiver which in practice is not error free. In this paper, wedoi:10.1109/spawc.2006.346484 fatcat:b7ppx4ccvje5lbnq4yoothooly