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→Precoding in Simple Words: amended "channel side information" to recite "channel state information" in the second sentence of the first paragraph of the section. |
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==Precoding in Simple Words ==
Precoding is a technique which exploits transmit diversity by weighting the information stream, i.e. the transmitter sends the coded information to the receiver to achieve pre-knowledge of the channel. The receiver is a simple detector, such as a matched filter, and does not have to know the channel
For example you are sending the information <math>s</math>
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