A Method for Tracking the Accuracy of Channel Estimates in MIMO Receivers
AffiliationMissouri University of Science and Technology
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AbstractMultiple input multiple output communication systems offer significant advantages, but only if the receiver has an accurate estimate of the channel state information (CSI). To obtain a CSI estimate, the transmitter must stop sending data, and instead send a training sequence. To maximize throughput, the time spent sending training data should be minimized. This paper describes a method which allows the receiver to track the accuracy of its CSI estimate, so that it can request new training data only when necessary.
SponsorsInternational Foundation for Telemetering