Alternate MIMO AF relaying networks with interference alignment: Spectral efficient protocol and linear filter design

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10 Scopus citations

Abstract

In this paper, we study a two-hop relaying network consisting of one source, one destination, and three amplify-and-forward (AF) relays with multiple antennas. To compensate for the capacity prelog factor loss of 1/2$\$$ due to the half-duplex relaying, alternate transmission is performed among three relays, and the inter-relay interference due to the alternate relaying is aligned to make additional degrees of freedom. In addition, suboptimal linear filter designs at the nodes are proposed to maximize the achievable sum rate for different fading scenarios when the destination utilizes a minimum mean-square error filter. © 1967-2012 IEEE.
Original languageEnglish (US)
Pages (from-to)914-920
Number of pages7
JournalIEEE Transactions on Vehicular Technology
Volume62
Issue number2
DOIs
StatePublished - Feb 2013

ASJC Scopus subject areas

  • Automotive Engineering
  • Applied Mathematics
  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Aerospace Engineering

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