A stochastic model for beaconless IEEE 802.15.4 MAC operation

被引：21
作者：
Goyal, M. [1 ]
Rohm, D.
Xie, W.
Hosseini, S. H.
Trivedi, K. S. [2 ]
Bashir, Y. [3 ]
Divjak, A. [3 ]
机构：
[1] Univ Wisconsin Milwaukee, Dept EECS, Milwaukee, WI 53201 USA
[2] Duke Univ, Durham, NC 27708 USA
[3] Johnson Controls Inc, Milwaukee, WI 53202 USA
来源：
COMPUTER COMMUNICATIONS | 2011年 / 34卷 / 12期
基金：
美国国家科学基金会;
关键词：
IEEE; 802.15.4; Wireless sensor networks; Medium access control protocols; Stochastic analysis; Unslotted carrier sense multiple access; SLOTTED CSMA/CA; PERFORMANCE;
D O I：
10.1016/j.comcom.2010.12.004
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
IEEE 802.15.4 is a popular choice for MAC/PHY protocols in low power and low data rate wireless sensor networks. In this paper, we develop a stochastic model for the beaconless operation of IEEE 802.15.4 MAC protocol. Given the number of nodes competing for channel access and their packet generation rates, the model predicts the packet loss probability and the packet latency. The model can also account for the impact of hidden nodes in certain situations. We compared the model predictions with NS2 simulation results and found an excellent match between the two for a wide range of the packet generation rates and the number of competing nodes in the network. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1460 / 1474
页数：15
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