Multi-cell MIMO cooperative networks

A new look at interference

David Gesbert*, Stephen Hanly, Howard Huang, Shlomo Shamai Shitz, Osvaldo Simeone, Wei Yu

*Corresponding author for this work

Research output: Contribution to journalArticle

1234 Citations (Scopus)

Abstract

This paper presents an overview of the theory and currently known techniques for multi-cell MIMO (multiple input multiple output) cooperation in wireless networks. In dense networks where interference emerges as the key capacity-limiting factor, multi-cell cooperation can dramatically improve the system performance. Remarkably, such techniques literally exploit inter-cell interference by allowing the user data to be jointly processed by several interfering base stations, thus mimicking the benefits of a large virtual MIMO array. Multi-cell MIMO cooperation concepts are examined from different perspectives, including an examination of the fundamental information-theoretic limits, a review of the coding and signal processing algorithmic developments, and, going beyond that, consideration of very practical issues related to scalability and system-level integration. A few promising and quite fundamental research avenues are also suggested.

Original languageEnglish
Article number5594708
Pages (from-to)1380-1408
Number of pages29
JournalIEEE Journal on Selected Areas in Communications
Volume28
Issue number9
DOIs
Publication statusPublished - Dec 2010
Externally publishedYes

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