FIELD: physics, communications.
SUBSTANCE: invention relates to wireless communication and formation of eigen beams for wireless communication systems. Methods and devices are disclosed, which determine whether feedback information should be transmitted, as well as amount of feedback information regarding eigen beam information based on channel resources. Also disclosed are methods and devices which determine whether feedback information should be transmitted, as well as amount of feedback information regarding eigen beam information based on channel information and changes in channel information.
EFFECT: more accurate beam formation with minimum resources required for providing feedback from the receiving device to the transmitting device.
84 cl, 10 dwg
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