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ThinkMind // ICWMC 2012, The Eighth International Conference on Wireless and Mobile Communications // View article icwmc_2012_3_40_20302


Performance Evaluation of Data Delivery Procedure in IEEE 802.15.4 Based on Discrete-Time Markov-Chain

Authors:
Peng Hao
Weiting Liu
Jianhua Wang

Keywords: 802.15.4 MAC; CSMA/CA; Data delivery procedure; Discrete-time Markov-Chain; Performance evaluation.

Abstract:
Data delivery procedure (DDP) based on IEEE 802.15.4 involves a series of sub-procedures. They are CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance), data transmission (Tx), acknowledgment (ACK) related behavior (ACK wait duration and ACK transmission). Any failure during this procedure leads to an unsuccessful delivery. This procedure, in fact, determines the network performance, yet not received adequate concern. The algorithm of CSMA/CA, which generally has also been simplified in previous literature. We investigate a discrete-time Markov-chain (DTMC) for DDP without simplification. Due to these subprocedures, four cases during this procedure are proposed via DTMC models. Particularly, we evaluate the impact of different times of retransmission (ReTx) on the network performance. The performance is investigated in terms of throughput, data delivery ratio and time delay. We also verify our analysis via simulation. Both theoretical and simulation imply that less ReTx can bring better performance.

Pages: 62 to 68

Copyright: Copyright (c) IARIA, 2012

Publication date: June 24, 2012

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-203-5

Location: Venice, Italy

Dates: from June 24, 2012 to June 29, 2012

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