The Feasibility of Interference Alignment for Full-Duplex MIMO Cellular Networks

Kiyeon Kim, Sang Woon Jeon, Dong Ku Kim

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)


The feasibility condition of interference alignment (IA) for full-duplex (FD) multiple-input multiple-output (MIMO) cellular networks is considered. A necessary condition and a sufficient condition on the IA feasibility are established, characterizing the optimal sum degrees of freedom (DoF) for a broad class of network topologies. The necessary and sufficient condition is shown specially for a class of symmetric network topologies. The results demonstrate that FD operation at the base station with appropriate IA is able to improve the sum DoF than the conventional half-duplex operation.

Original languageEnglish
Article number7150534
Pages (from-to)1500-1503
Number of pages4
JournalIEEE Communications Letters
Issue number9
Publication statusPublished - 2015 Sept 1

Bibliographical note

Publisher Copyright:
© 1997-2012 IEEE.

All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering


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