An accurate and scalable analytical model for ieee 802.15.4 slotted CSMA/CA networks

J.H. He, Z.Y. Tang, Hsiao-Hwa Chen, Q. Zhang

Research output: Contribution to journalArticle

69 Citations (Scopus)

Abstract

In this paper a Markov chain based analytical model is proposed to evaluate the slotted CSMA/CA algorithm specified in the MAC layer of IEEE 802.15.4 standard. The analytical model consists of two two-dimensional Markov chains, used to model the state transition of an 802.15.4 device, during the periods of a transmission and between two consecutive frame transmissions, respectively. By introducing the two Markov chains a small number of Markov states are required and the scalability of the analytical model is improved. The analytical model is used to investigate the impact of the CSMA/CA parameters, the number of contending devices, and the data frame size on the network performance in terms of throughput and energy efficiency. It is shown by simulations that the proposed analytical model can accurately predict the performance of slotted CSMA/CA algorithm for uplink, downlink and bi-direction traffic, with both acknowledgement and non-acknowledgement modes.
LanguageEnglish
Pages440-448
Number of pages8
JournalIEEE Transactions on Wireless Communications
Volume8
Issue number1
DOIs
Publication statusPublished - Jan 2009

Fingerprint

CSMA/CA
Carrier sense multiple access
Analytical Model
Analytical models
Markov processes
Markov chain
IEEE 802.15.4
Uplink
State Transition
Network Performance
Network performance
Energy Efficiency
Energy efficiency
Scalability
Consecutive
Throughput
Traffic
Predict
Evaluate
Simulation

Keywords

  • IEEE 802.15.4
  • slotted CSMA/CA
  • wireless personal area network
  • MAC
  • Markov chain
  • ZigBee

Cite this

He, J.H. ; Tang, Z.Y. ; Chen, Hsiao-Hwa ; Zhang, Q. / An accurate and scalable analytical model for ieee 802.15.4 slotted CSMA/CA networks. In: IEEE Transactions on Wireless Communications. 2009 ; Vol. 8, No. 1. pp. 440-448.
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An accurate and scalable analytical model for ieee 802.15.4 slotted CSMA/CA networks. / He, J.H.; Tang, Z.Y.; Chen, Hsiao-Hwa; Zhang, Q.

In: IEEE Transactions on Wireless Communications, Vol. 8, No. 1, 01.2009, p. 440-448.

Research output: Contribution to journalArticle

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