Fundamental limits of infinite constellations in mimo fading channels

Yair Yona, Meir Feder

Research output: Contribution to journalArticlepeer-review

Abstract

The fundamental and natural connection between the infinite constellation (IC) dimension and the best diversity order it can achieve is investigated in this paper. In the first part of this paper, we develop an upper bound on the diversity order of ICs for any dimension and any number of transmit and receive antennas. By choosing the right dimensions, we prove in the second part of this paper that ICs in general and lattices in particular can achieve the optimal diversity-multiplexing tradeoff of finite constellations. This paper gives a framework for designing lattices for multiple-antenna channels using lattice decoding.

Original languageEnglish
Article number6676826
Pages (from-to)1039-1060
Number of pages22
JournalIEEE Transactions on Information Theory
Volume60
Issue number2
DOIs
StatePublished - Feb 2014

Keywords

  • Diversity-multiplexing tradeoff
  • infinite constellations
  • regular lattice decoding

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