Institutional Repository
Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/AF289496-4601-41E9-A9CB-D0096AD4EABC | ||
| Year | 2008 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
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| Bibliographic Citation | A. Bletsas, A. Khisti, M.Z. Win, "Opportunistic Cooperative Diversity with Feedback and Cheap Radios", IEEE Transactions on Wireless Communications (TWC), vol. 7, no. 5, pp. 1536-1276, May. 2008. DOI: 10.1109/TWC.2008.070193 https://doi.org/10.1109/TWC.2008.070193 | ||
| Appears in Collections |
Practical cooperative diversity protocols often rely on low-cost radios that treat multiple in-band signals as noise and thus require strictly orthogonal transmissions. We analyze the performance of a class of opportunistic relaying protocols that employ simple packet level feedback and strictly orthogonal transmissions. It is shown that the diversity-multiplexing tradeoff of the proposed protocols either matches or outperforms the multi-input-single-output (MISO), zero-feedback performance. These gains indicate that low complexity radios and feedback could be an appealing architecture for future user cooperation protocols.
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