A Channel Estimation Scheme for Amplify-and-Forward OFDM Relay Networks

  title={A Channel Estimation Scheme for Amplify-and-Forward OFDM Relay Networks},
  author={Mingliang Liu and Jianhua Zhang and Yanyan Zhang and Yi Liu},
  journal={2009 IEEE 70th Vehicular Technology Conference Fall},
The channel state information (CSI) of all links should be available at all nodes for cooperative strategies design in relay networks. However, many channel estimation methods for amplify-and-forward (AF) relay networks only estimate a compound CSI of source-relay-destination (S-R-D) link. In this paper, we propose a channel estimation scheme for destination to disintegrate the CSIs of S-R and R-D links from the cascaded S-R-D link in AF relay networks. The proposed scheme estimates the CSI of… CONTINUE READING

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