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A multicast approach for constructive interference precoding in MISO downlink channel
(Signal Processing)ORCID-id: 0000-0003-2298-6774
2014 (Engelska)Ingår i: 2014 IEEE International Symposium on Information Theory, IEEE conference proceedings, 2014, s. 2534-2538Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

This paper studies the concept of jointly utilizing the data information (DI) and channel state information (CSI) in order to design symbol-level precoders for a multiple input and single output (MISO) downlink channel. In this direction, the interference among the simultaneous data streams is transformed to useful signal that can improve the signal to interference noise ratio (SINR) of the downlink transmissions. We propose a maximum ratio transmissions (MRT) based algorithm that jointly exploits DI and CSI to gain the benefits from these useful signals. In this context, a novel framework to minimize the power consumption is proposed by formalizing the duality between the constructive interference downlink channel and the multicast channels. The numerical results have shown that the proposed schemes outperform other state of the art techniques.

Ort, förlag, år, upplaga, sidor
IEEE conference proceedings, 2014. s. 2534-2538
Nationell ämneskategori
Signalbehandling
Identifikatorer
URN: urn:nbn:se:kth:diva-163739DOI: 10.1109/ISIT.2014.6875291Scopus ID: 2-s2.0-84906544492OAI: oai:DiVA.org:kth-163739DiVA, id: diva2:1082099
Konferens
IEEE ISIT
Anmärkning

QC 20170322

Tillgänglig från: 2017-03-15 Skapad: 2017-03-15 Senast uppdaterad: 2017-03-22Bibliografiskt granskad

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Ottersten, Björn
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