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What is space-time block coding (STBC)?

April 26, 2017block coding space-time stbc

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What is space-time block coding (STBC)?

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STBC is a pre-transmission encoding done by a MIMO transmitter that allows it to improve the signal-to-noise ratio even at a single RF receiver (non-MIMO). STBC is an optional feature in the 802.11n standard. Alamouti coding is an example of STBC that can work with at least a 2×1 system or any multiple of that. The beauty of Alamouti coding lies in the fact that it enables STBC without knowledge about the channel to the receiver.