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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jalden, J. Ottersten, B. |
| Copyright Year | 2006 |
| Description | Author affiliation: Dept. of Signals, Sensors & Syst., R. Inst. of Technol., Stockholm (Jalden, J.; Ottersten, B.) |
| Abstract | We study the problem of semidefinite relaxation (SDR) for detection of symbols transmitted over a general MIMO channel. In the SDR detector the maximum likelihood detection problem is relaxed into a semidefinite program (SDP) which is solved numerically using an interior-point path-following algorithm. Herein, we provide a criteria which, based on the channel matrix realization, determine the accuracy required by the SDP solver to give a good bit error rate performance of the overall SDR detector. This also reduce the complexity of the SDR detector as it limits the number of interior iterations required in the SDP solver. The performance is demonstrated through simulations |
| Sponsorship | The Inst. of Electr. and Electron. Eng., Inc. Circuits and Syst. Soc. (IEEE CASS) |
| File Size | 177879 |
| File Format | |
| ISBN | 142440469X |
| ISSN | 15206149 |
| DOI | 10.1109/ICASSP.2006.1660936 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-05-14 |
| Publisher Place | France |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Detectors Maximum likelihood detection Bit error rate Symmetric matrices MIMO Maximum likelihood estimation AWGN Sensor systems Computational modeling Constraint optimization |
| Content Type | Text |
| Resource Type | Article |
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