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Distributed precoding and user selection in MIMO interfering networks
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Signal Processing.
KTH, School of Electrical Engineering (EES), Signal Processing.
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
2015 (English)In: 2015 IEEE 6th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, CAMSAP 2015, IEEE conference proceedings, 2015, 461-464 p.Conference paper (Refereed)Text
Abstract [en]

In this work we shed light on the problem of precoding and user selection in MIMO networks. We formulate the problem using the framework of stable matching, whereby a set of users wish to be matched to a set of serving base stations, such as to maximize the sum-rate performance of the system. Though the problem is NP-hard, we propose a suboptimal heuristic that tackles the problem in a distributed fashion: we apply a many-to-one stable matching algorithm to generate a sequence of matchings, and the Weighted MMSE algorithm to perform the precoding. We benchmark our algorithm againt the recently proposed Weighted MMSE with User Assignment algorithm [1].

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015. 461-464 p.
Keyword [en]
distributed optimization, joint precoding and user assignment, Multicell MIMO, stable matching, Algorithms, Assignment algorithms, Distributed pre-coding, Joint precoding, MIMO networks, Multi-cell MIMO, User selection, Optimization
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-188337DOI: 10.1109/CAMSAP.2015.7383836ScopusID: 0003804733001202-s2.0-84963831036ISBN: 9781479919635OAI: oai:DiVA.org:kth-188337DiVA: diva2:936150
Conference
6th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, CAMSAP 2015, 13 December 2015 through 16 December 2015
Note

QC 20160613

Available from: 2016-06-13 Created: 2016-06-09 Last updated: 2016-09-02Bibliographically approved

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Ghauch, HadiMochaourab, RamiBengtsson, MatsSkoglund, Mikael
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