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- Publisher Website: 10.1109/TWC.2012.011812.110063
- Scopus: eid_2-s2.0-84858340474
- WOS: WOS:000301509200018
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Article: Cooperative precoding with limited feedback for MIMO interference channels
Title | Cooperative precoding with limited feedback for MIMO interference channels |
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Authors | |
Keywords | cooperative communication Interference channels limited feedback multi-antenna system |
Issue Date | 2012 |
Citation | IEEE Transactions on Wireless Communications, 2012, v. 11 n. 3, p. 1012-1021 How to Cite? |
Abstract | Multi-antenna precoding effectively mitigates the interference in wireless networks. However, the resultant performance gains can be significantly compromised in practice if the precoder design fails to account for the inaccuracy in the channel state information (CSI) feedback. This paper addresses this issue by considering finite-rate CSI feedback from receivers to their interfering transmitters in the two-user multiple-input-multiple-output (MIMO) interference channel, called cooperative feedback, and proposing a systematic method for designing transceivers comprising linear precoders and equalizers. Specifically, each precoder/equalizer is decomposed into inner and outer components for nulling the cross-link interference and achieving array gain, respectively. The inner precoders/equalizers are further optimized to suppress the residual interference resulting from finite-rate cooperative feedback. Furthermore, the residual interference is regulated by additional scalar cooperative feedback signals that are designed to control transmission power using different criteria including fixed interference margin and maximum sum throughput. Finally, the required number of cooperative precoder feedback bits is derived for limiting the throughput loss due to precoder quantization. © 2012 IEEE. |
Persistent Identifier | http://hdl.handle.net/10722/194352 |
ISSN | 2023 Impact Factor: 8.9 2023 SCImago Journal Rankings: 5.371 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Huang, K | - |
dc.contributor.author | Zhang, R | - |
dc.date.accessioned | 2014-01-30T03:32:29Z | - |
dc.date.available | 2014-01-30T03:32:29Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | IEEE Transactions on Wireless Communications, 2012, v. 11 n. 3, p. 1012-1021 | - |
dc.identifier.issn | 1536-1276 | - |
dc.identifier.uri | http://hdl.handle.net/10722/194352 | - |
dc.description.abstract | Multi-antenna precoding effectively mitigates the interference in wireless networks. However, the resultant performance gains can be significantly compromised in practice if the precoder design fails to account for the inaccuracy in the channel state information (CSI) feedback. This paper addresses this issue by considering finite-rate CSI feedback from receivers to their interfering transmitters in the two-user multiple-input-multiple-output (MIMO) interference channel, called cooperative feedback, and proposing a systematic method for designing transceivers comprising linear precoders and equalizers. Specifically, each precoder/equalizer is decomposed into inner and outer components for nulling the cross-link interference and achieving array gain, respectively. The inner precoders/equalizers are further optimized to suppress the residual interference resulting from finite-rate cooperative feedback. Furthermore, the residual interference is regulated by additional scalar cooperative feedback signals that are designed to control transmission power using different criteria including fixed interference margin and maximum sum throughput. Finally, the required number of cooperative precoder feedback bits is derived for limiting the throughput loss due to precoder quantization. © 2012 IEEE. | - |
dc.language | eng | - |
dc.relation.ispartof | IEEE Transactions on Wireless Communications | - |
dc.subject | cooperative communication | - |
dc.subject | Interference channels | - |
dc.subject | limited feedback | - |
dc.subject | multi-antenna system | - |
dc.title | Cooperative precoding with limited feedback for MIMO interference channels | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1109/TWC.2012.011812.110063 | - |
dc.identifier.scopus | eid_2-s2.0-84858340474 | - |
dc.identifier.volume | 11 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | 1012 | - |
dc.identifier.epage | 1021 | - |
dc.identifier.isi | WOS:000301509200018 | - |
dc.identifier.issnl | 1536-1276 | - |