Optimal power control in MIMO systems with quantized feedback - [transactions papers]
We treat the problem of outage minimization via power control in MIMO systems with quantized feedback. We formulate the optimal quantized power control design for a general MIMO system and provide the numerical procedure for finding the optimal solution. Our results not only extend but also show the...
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| Veröffentlicht in: | IEEE transactions on wireless communications 2008-12, Vol.7 (12), p.4859-4866 |
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| container_issue | 12 |
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| container_title | IEEE transactions on wireless communications |
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| creator | Khojastepour, M.A. Guosen Yue Xiaodong Wang Madihian, M. |
| description | We treat the problem of outage minimization via power control in MIMO systems with quantized feedback. We formulate the optimal quantized power control design for a general MIMO system and provide the numerical procedure for finding the optimal solution. Our results not only extend but also show the deficiency of the existing quantized power control schemes for MISO systems. We further propose a design based on the pre-evaluation of the packet error rate performance of practical MIMO systems employing short-length LDPC codes and QAM modulations and with possibly unreliable feedback links. It is demonstrated that with only a few bits of feedback, the resulting quantized power control strategy achieves considerable gain over a system without power control. |
| doi_str_mv | 10.1109/T-WC.2008.060911 |
| format | Article |
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We formulate the optimal quantized power control design for a general MIMO system and provide the numerical procedure for finding the optimal solution. Our results not only extend but also show the deficiency of the existing quantized power control schemes for MISO systems. We further propose a design based on the pre-evaluation of the packet error rate performance of practical MIMO systems employing short-length LDPC codes and QAM modulations and with possibly unreliable feedback links. 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(IEEE) 2008</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c383t-d3ff3353f4202e9c1c65d9a506d547ace0f59e3ed4ed21e4813c69592415d2b53</citedby><cites>FETCH-LOGICAL-c383t-d3ff3353f4202e9c1c65d9a506d547ace0f59e3ed4ed21e4813c69592415d2b53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4712704$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27903,27904,54736</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4712704$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20966886$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Khojastepour, M.A.</creatorcontrib><creatorcontrib>Guosen Yue</creatorcontrib><creatorcontrib>Xiaodong Wang</creatorcontrib><creatorcontrib>Madihian, M.</creatorcontrib><title>Optimal power control in MIMO systems with quantized feedback - [transactions papers]</title><title>IEEE transactions on wireless communications</title><addtitle>TWC</addtitle><description>We treat the problem of outage minimization via power control in MIMO systems with quantized feedback. We formulate the optimal quantized power control design for a general MIMO system and provide the numerical procedure for finding the optimal solution. Our results not only extend but also show the deficiency of the existing quantized power control schemes for MISO systems. We further propose a design based on the pre-evaluation of the packet error rate performance of practical MIMO systems employing short-length LDPC codes and QAM modulations and with possibly unreliable feedback links. 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We formulate the optimal quantized power control design for a general MIMO system and provide the numerical procedure for finding the optimal solution. Our results not only extend but also show the deficiency of the existing quantized power control schemes for MISO systems. We further propose a design based on the pre-evaluation of the packet error rate performance of practical MIMO systems employing short-length LDPC codes and QAM modulations and with possibly unreliable feedback links. It is demonstrated that with only a few bits of feedback, the resulting quantized power control strategy achieves considerable gain over a system without power control.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/T-WC.2008.060911</doi><tpages>8</tpages></addata></record> |
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| ispartof | IEEE transactions on wireless communications, 2008-12, Vol.7 (12), p.4859-4866 |
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| subjects | Applied sciences Coding, codes Error analysis Exact sciences and technology Fading Feedback Information, signal and communications theory MIMO MIMO systems Modulation coding Modulation, demodulation Parity check codes Power control Power system modeling Quadrature amplitude modulation Signal and communications theory Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) transmission technology Transmitters |
| title | Optimal power control in MIMO systems with quantized feedback - [transactions papers] |
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