Relay Precoding for Non-Regenerative MIMO Relay Systems with Partial CSI in the Presence of Interferers
In this paper, a relay precoding problem is considered in a non-regenerative multiple-input multiple output (MIMO) relay system, when multiple interferers exist near the destination. The relay has the perfect channel state information (CSI) of the source-relay link and only the covariance informatio...
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| Veröffentlicht in: | IEEE transactions on wireless communications 2012-04, Vol.11 (4), p.1521-1531 |
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| creator | JEONG, Cheol KIM, Hyung-Myung SONG, Hyoung-Kyu KIM, Il-Min |
| description | In this paper, a relay precoding problem is considered in a non-regenerative multiple-input multiple output (MIMO) relay system, when multiple interferers exist near the destination. The relay has the perfect channel state information (CSI) of the source-relay link and only the covariance information of the relay-destination link. Also, we assume that the training signals of the interferers are known at the destination, and thus, the covariance information of the channels from the interferers to the destination can be estimated at the destination and the information is fed back to the relay. For this scenario, the structure of the optimal relay precoder is derived to maximize the average capacity seen by the relay under a relay transmit power constraint. For the derivation of the optimal relay precoder, a new partial ordering result for the outage probability and the ergodic capacity of spatially correlated MIMO channels is derived. Numerical results demonstrate that the proposed scheme considerably improves the performance. Overall, the contributions of this paper are twofold: i) a new partial ordering result for MIMO channels is derived and ii) the structure of the optimal relay precoder is derived using the partial ordering result. |
| doi_str_mv | 10.1109/TWC.2012.020812.111246 |
| format | Article |
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The relay has the perfect channel state information (CSI) of the source-relay link and only the covariance information of the relay-destination link. Also, we assume that the training signals of the interferers are known at the destination, and thus, the covariance information of the channels from the interferers to the destination can be estimated at the destination and the information is fed back to the relay. For this scenario, the structure of the optimal relay precoder is derived to maximize the average capacity seen by the relay under a relay transmit power constraint. For the derivation of the optimal relay precoder, a new partial ordering result for the outage probability and the ergodic capacity of spatially correlated MIMO channels is derived. Numerical results demonstrate that the proposed scheme considerably improves the performance. Overall, the contributions of this paper are twofold: i) a new partial ordering result for MIMO channels is derived and ii) the structure of the optimal relay precoder is derived using the partial ordering result.</description><identifier>ISSN: 1536-1276</identifier><identifier>EISSN: 1558-2248</identifier><identifier>DOI: 10.1109/TWC.2012.020812.111246</identifier><identifier>CODEN: ITWCAX</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Channels ; Co-channel interferer ; Codes ; Coding, codes ; Covariance ; Covariance matrix ; Derivation ; Detection, estimation, filtering, equalization, prediction ; Eigenvalues and eigenfunctions ; Exact sciences and technology ; Information, signal and communications theory ; Links ; MIMO ; multiple-input multiple-output (MIMO) ; non-regenerative relay ; Optimization ; Order disorder ; partial CSI ; precoder design ; Receivers ; Relay ; Relay systems ; Relays ; Signal and communications theory ; Signal, noise ; Systems, networks and services of telecommunications ; Telecommunications ; Telecommunications and information theory ; Training ; Transmission and modulation (techniques and equipments) ; Transmitters</subject><ispartof>IEEE transactions on wireless communications, 2012-04, Vol.11 (4), p.1521-1531</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Apr 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c366t-2e60734bba852745ce99b5f3b4b2fdeccd619cb2ce32ec417dc98f15dee39a0e3</citedby><cites>FETCH-LOGICAL-c366t-2e60734bba852745ce99b5f3b4b2fdeccd619cb2ce32ec417dc98f15dee39a0e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6151780$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6151780$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25790927$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>JEONG, Cheol</creatorcontrib><creatorcontrib>KIM, Hyung-Myung</creatorcontrib><creatorcontrib>SONG, Hyoung-Kyu</creatorcontrib><creatorcontrib>KIM, Il-Min</creatorcontrib><title>Relay Precoding for Non-Regenerative MIMO Relay Systems with Partial CSI in the Presence of Interferers</title><title>IEEE transactions on wireless communications</title><addtitle>TWC</addtitle><description>In this paper, a relay precoding problem is considered in a non-regenerative multiple-input multiple output (MIMO) relay system, when multiple interferers exist near the destination. 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Overall, the contributions of this paper are twofold: i) a new partial ordering result for MIMO channels is derived and ii) the structure of the optimal relay precoder is derived using the partial ordering result.</description><subject>Applied sciences</subject><subject>Channels</subject><subject>Co-channel interferer</subject><subject>Codes</subject><subject>Coding, codes</subject><subject>Covariance</subject><subject>Covariance matrix</subject><subject>Derivation</subject><subject>Detection, estimation, filtering, equalization, prediction</subject><subject>Eigenvalues and eigenfunctions</subject><subject>Exact sciences and technology</subject><subject>Information, signal and communications theory</subject><subject>Links</subject><subject>MIMO</subject><subject>multiple-input multiple-output (MIMO)</subject><subject>non-regenerative relay</subject><subject>Optimization</subject><subject>Order disorder</subject><subject>partial CSI</subject><subject>precoder design</subject><subject>Receivers</subject><subject>Relay</subject><subject>Relay systems</subject><subject>Relays</subject><subject>Signal and communications theory</subject><subject>Signal, noise</subject><subject>Systems, networks and services of telecommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Training</subject><subject>Transmission and modulation (techniques and equipments)</subject><subject>Transmitters</subject><issn>1536-1276</issn><issn>1558-2248</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkNtKxDAQhosoeHwCQQIieNM1mTZJcymLhwVPeMDLkqaTNdJNNekq-_ZmqXjh1QzM9_8MX5YdMTphjKqz59fpBCiDCQVapcEYg1JsZDuM8yoHKKvN9V6InIEU29lujO-UMik438nmj9jpFXkIaPrW-TmxfSB3vc8fcY4egx7cF5Lb2e09GcmnVRxwEcm3G97Igw6D0x2ZPs2I82R4w3VTRG-Q9JbM_IDBYsAQ97Mtq7uIB79zL3u5vHieXuc391ez6flNbgohhhxQUFmUTaMrDrLkBpVquC2asgHbojGtYMo0YLAANCWTrVGVZbxFLJSmWOxlp2PvR-g_lxiHeuGiwa7THvtlrBkFUFRIIRJ6_A9975fBp-8SRaFUpQKVKDFSJvQxBrT1R3ALHVYJqtf-6-S_XvuvR__16D8FT37rdTS6s0F74-JfGrhUVIFM3OHIOUT8OwvGmaxo8QM30Y4-</recordid><startdate>20120401</startdate><enddate>20120401</enddate><creator>JEONG, Cheol</creator><creator>KIM, Hyung-Myung</creator><creator>SONG, Hyoung-Kyu</creator><creator>KIM, Il-Min</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The relay has the perfect channel state information (CSI) of the source-relay link and only the covariance information of the relay-destination link. Also, we assume that the training signals of the interferers are known at the destination, and thus, the covariance information of the channels from the interferers to the destination can be estimated at the destination and the information is fed back to the relay. For this scenario, the structure of the optimal relay precoder is derived to maximize the average capacity seen by the relay under a relay transmit power constraint. For the derivation of the optimal relay precoder, a new partial ordering result for the outage probability and the ergodic capacity of spatially correlated MIMO channels is derived. Numerical results demonstrate that the proposed scheme considerably improves the performance. Overall, the contributions of this paper are twofold: i) a new partial ordering result for MIMO channels is derived and ii) the structure of the optimal relay precoder is derived using the partial ordering result.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TWC.2012.020812.111246</doi><tpages>11</tpages></addata></record> |
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| subjects | Applied sciences Channels Co-channel interferer Codes Coding, codes Covariance Covariance matrix Derivation Detection, estimation, filtering, equalization, prediction Eigenvalues and eigenfunctions Exact sciences and technology Information, signal and communications theory Links MIMO multiple-input multiple-output (MIMO) non-regenerative relay Optimization Order disorder partial CSI precoder design Receivers Relay Relay systems Relays Signal and communications theory Signal, noise Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Training Transmission and modulation (techniques and equipments) Transmitters |
| title | Relay Precoding for Non-Regenerative MIMO Relay Systems with Partial CSI in the Presence of Interferers |
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