IEEE 802.16J relay-based wireless access networks: an overview

  • Authors:
  • V. Genc;S. Murphy;Yang Yu;J. Murphy

  • Affiliations:
  • Sch. of Comput. Sci. & Inf., Univ. Coll. Dublin, Dublin;-;-;-

  • Venue:
  • IEEE Wireless Communications
  • Year:
  • 2008

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Abstract

Multihop wireless systems have the potential to offer improved coverage and capacity over single-hop radio access systems. Standards development organizations are considering how to incorporate such techniques into new standards. One such initiative is the IEEE 802.16j standardization activity, adding relay capabilities to IEEE 802.16 systems. This article provides an overview of this relay-based technology, focusing on some of the most pertinent aspects. In particular, the different modes of operation (transparent and non-transparent), framing structures, and network entry procedures are described. Some consideration of the issues in designing such systems is then given, which highlights when different features within the standard are most appropriate. As these systems are very new, many open issues remain to be resolved.