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dc.contributor.authorLee, Kanghee
dc.contributor.authorKwon, Hyuck M.
dc.contributor.authorXiong, Wenhao
dc.contributor.authorKim, Hyunggi
dc.contributor.authorFeng, Shuang
dc.contributor.authorPark, Hyuncheol
dc.contributor.authorLee, Yong H.
dc.date.accessioned2013-07-26T20:47:58Z
dc.date.available2013-07-26T20:47:58Z
dc.date.issued2012-10-01
dc.identifier.citationKanghee Lee; Kwon, H.M.; Wenhao Xiong; Hyunggi Kim; Shuang Feng; Hyuncheol Park; Lee, Y.H., "Two-level MMSE relay strategy for an AF wireless relay network," Communication, Control, and Computing (Allerton), 2012 50th Annual Allerton Conference on , vol., no., pp.1653,1658, 1-5 Oct. 2012 doi: 10.1109/Allerton.2012.6483420en_US
dc.identifier.isbn978-1-4673-4539-2
dc.identifier.otherWOS:000320654000229
dc.identifier.urihttp://dx.doi.org/10.1109/Allerton.2012.6483420
dc.identifier.urihttp://hdl.handle.net/10057/6072
dc.descriptionClick on the DOI link to access the article (may not be free).en_US
dc.description.abstractThis paper presents optimal amplify-and-forward (AF) relay amplifying matrices based on the minimum mean square error (MMSE) criterion for a cooperative AF wireless relay network consisting of a one-source-one-destination node pair and two-level N relay nodes. During data transmission, power is constrained at the source node, at the relay nodes in the first and the second levels, and at the destination node. In addition, this paper considers the case that power is intentionally not constrained. Hence, for the no-power constraint example, a positive scaling factor is employed to meet the target signal-to-noise ratio (SNRTGT) at the destination node. With the derived optimal relay amplifying matrices, bit error rate (BER) of the wireless relay network under both power and no-power constraint is simulated.en_US
dc.language.isoen_USen_US
dc.publisherIEEEen_US
dc.relation.ispartofseriesCommunication, Control, and Computing (Allerton), 2012 50th Annual Allerton Conference on, 1-5 Oct. 2012 (Pacific Grove, Calif.)
dc.subjectSensor networksen_US
dc.subjectBit error rateen_US
dc.subjectCost functionen_US
dc.subjectIterative methodsen_US
dc.subjectRelaysen_US
dc.subjectSignal to noise ratioen_US
dc.subjectVectorsen_US
dc.subjectWireless communicationen_US
dc.subjectError statistics
dc.titleTwo-level MMSE relay strategy for an AF wireless relay networken_US
dc.typeConference paperen_US


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