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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Paredes, J.M. Gershman, A.B. |
| Copyright Year | 2010 |
| Abstract | A cooperative beamforming and power control scheme for amplify-and-forward wireless relay networks with single-antenna nodes is developed. Assuming perfect channel state information (CSI) and the existence of the direct link between the source and destination nodes, we design the optimal beamforming and power control weights that maximize the mutual information. In contrast to previous approaches to this problem, we consider the transmission of two independent information signals that can have different powers. The solution is obtained by considering the relay power control problem independently of the power allocation to the information signals. This results in an analytical solution that is then exploited in an iterative algorithm to obtain the final optimal beamforming weights. Our numerical results show that the proposed technique achieves a higher mutual information than previously proposed distributed beamforming and power control techniques. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 137648 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424456369 |
| ISSN | 1930529X |
| e-ISBN | 9781424456383 |
| e-ISBN | 9781424456376 |
| DOI | 10.1109/GLOCOM.2010.5683596 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-12-06 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Relays Peer to peer computing Array signal processing Power control Optimization Mutual information Resource management |
| Content Type | Text |
| Resource Type | Article |
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