Rethinking the role of interference in wireless networks

Gan Zheng, Ioannis Krikidis, Christos Masouros, Stelios Timotheou, Dimitris Alexandros Toumpakaris, Zhiguo Ding

Research output: Contribution to journalArticlepeer-review

104 Scopus citations

Abstract

This article re-examines the fundamental notion of interference in wireless networks by contrasting traditional approaches to new concepts that handle interference in a creative way. Specifically, we discuss the fundamental limits of the interference channel and present the interference alignment technique and its extension of signal alignment techniques. Contrary to this traditional view, which treats interference as a detrimental phenomenon, we introduce three concepts that handle interference as a useful resource. The first concept exploits interference at the modulation level and leads to simple multiuser downlink precoding that provides significant energy savings. The second concept uses radio frequency radiation for energy harvesting and handles interference as a source of green energy. The last concept refers to a secrecy environment and uses interference as an efficient means to jam potential eavesdroppers. These three techniques bring a new vision about interference in wireless networks and motivate a plethora of potential new applications and services.

Original languageBritish English
Article number6957156
Pages (from-to)152-158
Number of pages7
JournalIEEE Communications Magazine
Volume52
Issue number11
DOIs
StatePublished - 2014

Keywords

  • Interference
  • Receivers
  • Signal to noise ratio
  • Transmitters
  • Wireless communication
  • Wireless networks

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