Abstract
A system and method for improving the performance of a MIMO wireless communication system by reducing the amount of uplink resources needed to provide channel performance feedback for adjusting the data rate on the downlink MIMO channel.
In one embodiment, the method includes encoding each of the data streams according to a corresponding data rate, replacing the data streams on the set of MIMO channels according to all substitutions of the combinations, transmitting the substituted data streams, replacing Receiving the decoded data streams, de-substituting the data streams, decoding and determining an SNR for each data stream, calculating a compressed SNR metric for each data stream, as feedback Providing a compressed metric, determining a set of individual SNR metrics for the data streams based on the compressed SNR metric, and adjusting the data rate at which the data streams are encoded based on the individual SNR metric. do.
MIMO, Compressed SNR, Substitution, Wireless Communications
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Technologies
Multiple-Input Multiple-Output(MIMO)/Massive MIMO
Product
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Wireless communication
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