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Conference Paper: Markov models for limited feedback mimo systems
| Title | Markov models for limited feedback mimo systems |
|---|---|
| Authors | |
| Issue Date | 2006 |
| Citation | ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, 2006, v. 4, p. IV9-IV12 How to Cite? |
| Abstract | Multiple antenna wireless systems with feedback of quantized channel information, called "limited feedback" systems, are attractive choices for improving the quality of downlink (DL) transmission. Most work in this area use the block-fading channel model where the DL channel is assumed constant in each block and different blocks uncorrelated. In this paper, we consider limited feedback for a temporally correlated DL channel. Markov models are introduced for characterizing the temporal correlation and probability distribution of the DL channel. Using the Markov models, average feedback rates are derived. Numerical results show that the feedback rates are proportional to the Doppler frequency. © 2006 IEEE. |
| Persistent Identifier | http://hdl.handle.net/10722/194181 |
| ISSN |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Huang, K | - |
| dc.contributor.author | Mondal, B | - |
| dc.contributor.author | Heath Jr, RW | - |
| dc.contributor.author | Andrews, JG | - |
| dc.date.accessioned | 2014-01-30T03:32:16Z | - |
| dc.date.available | 2014-01-30T03:32:16Z | - |
| dc.date.issued | 2006 | - |
| dc.identifier.citation | ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, 2006, v. 4, p. IV9-IV12 | - |
| dc.identifier.issn | 1520-6149 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/194181 | - |
| dc.description.abstract | Multiple antenna wireless systems with feedback of quantized channel information, called "limited feedback" systems, are attractive choices for improving the quality of downlink (DL) transmission. Most work in this area use the block-fading channel model where the DL channel is assumed constant in each block and different blocks uncorrelated. In this paper, we consider limited feedback for a temporally correlated DL channel. Markov models are introduced for characterizing the temporal correlation and probability distribution of the DL channel. Using the Markov models, average feedback rates are derived. Numerical results show that the feedback rates are proportional to the Doppler frequency. © 2006 IEEE. | - |
| dc.language | eng | - |
| dc.relation.ispartof | ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings | - |
| dc.title | Markov models for limited feedback mimo systems | - |
| dc.type | Conference_Paper | - |
| dc.description.nature | link_to_subscribed_fulltext | - |
| dc.identifier.scopus | eid_2-s2.0-33947693199 | - |
| dc.identifier.volume | 4 | - |
| dc.identifier.spage | IV9 | - |
| dc.identifier.epage | IV12 | - |
| dc.identifier.issnl | 1520-6149 | - |