FIELD: physics, communications.
SUBSTANCE: invention relates to wireless communication. These code books, which comprises any number of matrices of preliminary coding, may be changed on the basis of estimates of transmission covariation for improved characteristics of preliminary coding. Besides with application of varied code books it is possible to generate and analyse feedback signal connected to channel.
EFFECT: easier estimate of transmission covariation from estimate of channel (for instance, channel of direct communication line, channel of feedback line), which is used in linear preliminary coding for systems of wireless communication with multiple inputs and multiple outputs (MIMO).
35 cl, 11 dwg
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