Distributed Multiuser Beamforming for Relay Networks in Frequency-selective Channels

Zhang Li; Chen Hai-hua; He Ming; Sun Gui-ling

doi:10.11999/JEIT150137

Volume 37 Issue 11

Nov. 2015

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Article Navigation > Journal of Electronics & Information Technology > 2015 > 37(11): 2664-2671

Zhang Li, Chen Hai-hua, He Ming, Sun Gui-ling. Distributed Multiuser Beamforming for Relay Networks in Frequency-selective Channels[J]. Journal of Electronics & Information Technology, 2015, 37(11): 2664-2671. doi: 10.11999/JEIT150137

Citation:

Zhang Li, Chen Hai-hua, He Ming, Sun Gui-ling. Distributed Multiuser Beamforming for Relay Networks in Frequency-selective Channels[J]. Journal of Electronics & Information Technology, 2015, 37(11): 2664-2671. doi: 10.11999/JEIT150137

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Distributed Multiuser Beamforming for Relay Networks in Frequency-selective Channels

doi: 10.11999/JEIT150137

Funds:

The National Natural Science Foundation of China (61171140)

Received Date: 2015-01-27
Rev Recd Date: 2015-07-03
Publish Date: 2015-11-19

Abstract

Abstract

In this paper, a distributed peer-to-peer beamforming technique in frequency-selective relay networks is proposed. It is assumed that all the relay nodes use Filter-and-Forward (FF) protocol to compensate for the source-to-relay and relay-to-destination channels. All the channels of the active source-destination pairs are considered to be frequency-selective. The beamforming strategy that minimizes the total relay transmitted power subject to the Quality-of-Service (QoS) constraints for all of the destination nodes is considered. The resultant problem is approximately solved using Semi-Definite Programming (SDP). Simulation results demonstrate that in frequency-selective multiuser relay networks, the proposed technique substantially outperforms the existing amplify-and-forward peer-to-peer beamforming methods.
- Distributed beamforming,
- Filter-and-forward protocol,
- Frequency-selective relay networks

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References(29)

References

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