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Overhead-Aware Distributed CSI Selection in the MIMO Interference Channel
KTH Royal Institute of Technology, Sweden.ORCID iD: 0000-0003-0995-9835
KTH Royal Institute of Technology, Sweden.
KTH Royal Institute of Technology, Sweden.
KTH Royal Institute of Technology, Sweden.
2015 (English)In: 2015 23rd European Signal Processing Conference, EUSIPCO 2015, Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 1038-1042Conference paper, Published paper (Refereed)
Abstract [en]

We consider a MEMO interference channel in which the transmitters and receivers operate in frequency-division duplex mode. In this setting, interference management through coordinated transceiver design necessitates channel state information at the transmitters (CSI-T). The acquisition of CSI T is done through feedback from the receivers, which entitles a loss in degrees of freedom, due to training and feedback. This loss increases with the amount of CSI-T. In this work, after formulating an overhead model for CSI acquisition at the transmitters, we propose a distributed mechanism to find for each transmitter a subset of the complete CSI, which is used to perform interference management. The mechanism is based on many-to-many stable matching. We prove the existence of a stable matching and exploit an algorithm to reach it. Simulation results show performance improvement compared to full and minimal CSI-T.

Place, publisher, year, edition, pages
2015. p. 1038-1042
Series
European Signal Processing Conference
Keywords [en]
Cochannel interference, Degrees of freedom (mechanics), MIMO systems, Radio transceivers, Signal interference, Signal processing, Transmitters, A-stable, Channel state information at the transmitters, Frequency-division duplexes, Interference management, Many to many, Mimo interference channels, Stable matching, Transceiver design, Channel state information
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:ri:diva-55561DOI: 10.1109/EUSIPCO.2015.7362541OAI: oai:DiVA.org:ri-55561DiVA, id: diva2:1582698
Conference
2015 23rd European Signal Processing Conference (EUSIPCO)
Available from: 2021-08-03 Created: 2021-08-03 Last updated: 2023-06-07Bibliographically approved

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Mochaourab, Rami

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CiteExportLink to record
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