Network Beamforming Using Relays With Perfect Channel Information

  title={Network Beamforming Using Relays With Perfect Channel Information},
  author={Yindi Jing and Hamid Jafarkhani},
  journal={2007 IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP '07},
This paper deals with beamforming in wireless relay networks with perfect channel information at the relays, receiver, and transmitter if there is a direct link between the transmitter and receiver. It is assumed that every node in the network has its own power constraint. A two-step amplify-and-forward protocol is used, in which the transmitter and relays not only use match filters to form a beam at the receiver but also adaptively adjust their transmit powers according to the channel strength… CONTINUE READING
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