High capacity relay protocols for wireless networks

Yijia Fan, Ioannis Krikidis, Chao Wang, John S. Thompson, H. Vincent Poor

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Over the last five years, relaying or multihop techniques have been intensively researched as means for potentially improving link performance of wireless networks. However, the data rates of relays are often limited because they cannot transmit and receive on the same frequency simultaneously. This limitation has come to the attention of researchers, and recently a number of relay techniques have been proposed specifically to improve the data efficiency of relaying protocols. This paper surveys transmission protocols that employ first single relays, then multiple relays and finally multiple antenna relays. A common feature of these techniques is that novel signal processing techniques are required in the relay network to support increased data rates. This paper presents results and discussion that highlight the advantages of these approaches.

Original languageEnglish (US)
Pages (from-to)196-206
Number of pages11
JournalJournal of Communications and Networks
Issue number2
StatePublished - Apr 2009

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Computer Networks and Communications


  • Cooperative communications
  • Diversity-multiplexing tradeoff
  • Multiple input multiple output (MIMO)
  • Multiplexing gain
  • Relaying
  • Signal processing techniques
  • Transmission protocols


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