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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ben Hassen, S. Bellili, F. Samet, A. Affes, S. |
| Copyright Year | 2015 |
| Description | Author affiliation: EMT, INRS, Montreal, QC, Canada (Bellili, F.; Samet, A.; Affes, S.) || Electron. Syst. & Commun. Networks Eng., Tunisia Polytech. Sch., La Marsa, Tunisia (Ben Hassen, S.) |
| Abstract | In this paper, we propose a new method for the estimation of the angular parameters (i.e., central DOAs and angular spreads) of noncircular and incoherently distributed (ID) signals. Contrarily to state-of-the-art techniques, the new method exploits the additional information about the angular parameters that is carried in the unconjugated covariance matrix. Contrarily to noncircular signals, this matrix is identically zero for the circular case and, therefore, it is totally ignored by all existing techniques when directly applied to noncircular sources thereby leading to performance degradations. It will be seen that the new method outperforms the main classical estimators that are all developed for circular sources only and that its performance advantage is more prominent at low SNR values and/or for low DOA separations. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 150957 |
| Page Count | 5 |
| File Format | |
| e-ISBN | 9781467365550 |
| DOI | 10.1109/ICUWB.2015.7324449 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-10-04 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Direction-of-arrival estimation Estimation Covariance matrices Signal to noise ratio Sensor arrays |
| Content Type | Text |
| Resource Type | Article |
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