FIELD: radio engineering, communication.
SUBSTANCE: invention relates to a wireless communication system. Bandwidth for transmission to an access terminal is limited by a preset bandwidth which is less than the bandwidth available for transmission to an access terminal, and precoding information relating to subcarriers within the limited bandwidth is provided at the transmitting device. Precoding information relating to the subcarriers within the limited bandwidth provides feedback information on channel characteristics of the direct link with respect to different subbands and can be transmitted in reverse direction over the channel associated with the bandwidth.
EFFECT: improved performance in a wireless communication system using segments referred to as subbands and using precoding.
30 cl, 6 dwg
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