Traffic adaptive contention differentiation scheme for LR-WPANs

Seon Wook Kim, Heungwoo Nam, Sun-Shin An

Research output: Contribution to journalArticle

Abstract

IEEE 802.15.4 is a new standard, uniquely designed for low rate wireless personal area networks (LR-WPANs). It targets ultralow complexity, cost, and power, for low-data-rate wireless connectivity. However, one of the main problems of this new standard is its insufficient, and inefficient, media access control (MAC) for priority data. This paper introduces an extended contention access period (XCAP) concept for priority packets, also an traffic adaptive contention differentiation utilizing the XCAP (TACDX). The TACDX determines appropriate transmission policy alternatively according to the traffic conditions and type of packet. TACDX achieves not only enhanced transmission for priority packets but it also has a high energy efficiency for the overall network. The proposed TACDX is verified with simulations to measure the performances.

Original languageEnglish
Pages (from-to)1945-1948
Number of pages4
JournalIEICE Transactions on Information and Systems
VolumeE92-D
Issue number10
DOIs
Publication statusPublished - 2009 Dec 1

Fingerprint

Personal communication systems
Telecommunication traffic
Medium access control
Energy efficiency
Costs

Keywords

  • 802.15.4
  • Adaptive transmission control
  • Contention differentiation
  • Energy efficiency
  • LRWPAN
  • QoS support
  • Wireless ubiquitous network

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Software
  • Artificial Intelligence
  • Hardware and Architecture
  • Computer Vision and Pattern Recognition

Cite this

Traffic adaptive contention differentiation scheme for LR-WPANs. / Kim, Seon Wook; Nam, Heungwoo; An, Sun-Shin.

In: IEICE Transactions on Information and Systems, Vol. E92-D, No. 10, 01.12.2009, p. 1945-1948.

Research output: Contribution to journalArticle

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