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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 (Engelska)Ingår i: 2015 23rd European Signal Processing Conference, EUSIPCO 2015, Institute of Electrical and Electronics Engineers (IEEE), 2015, s. 1038-1042Konferensbidrag, Publicerat paper (Refereegranskat)
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.

Ort, förlag, år, upplaga, sidor
2015. s. 1038-1042
Serie
European Signal Processing Conference
Nyckelord [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
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Identifikatorer
URN: urn:nbn:se:ri:diva-55561DOI: 10.1109/EUSIPCO.2015.7362541OAI: oai:DiVA.org:ri-55561DiVA, id: diva2:1582698
Konferens
2015 23rd European Signal Processing Conference (EUSIPCO)
Tillgänglig från: 2021-08-03 Skapad: 2021-08-03 Senast uppdaterad: 2023-06-07Bibliografiskt granskad

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Mochaourab, Rami

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