Study on Adaptive Three-Dimensional Probability CSMA Control Policy

ZHOU Sheng-jie; DING Hong-wei; YANG Zhi-jun; LIU Qian-lin

doi:10.3969/j.issn.0372-2112.2017.02.024

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Study on Adaptive Three-Dimensional Probability CSMA Control Policy

更新时间：2025-07-16

- Study on Adaptive Three-Dimensional Probability CSMA Control Policy
- Acta Electronica Sinica Vol. 45, Issue 2, Pages: 440-445(2017)
- 作者机构：
  
  云南大学信息学院,云南,昆明,653000
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2017.02.024
  CLC： TN929.5
- Published Online：25 February 2017，
  
  Published：2017
- 稿件说明：
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ZHOU Sheng-jie, DING Hong-wei, YANG Zhi-jun, et al. Study on Adaptive Three-Dimensional Probability CSMA Control Policy[J]. Acta Electronica Sinica, 2017, 45(2): 440-445.
DOI：

ZHOU Sheng-jie, DING Hong-wei, YANG Zhi-jun, et al. Study on Adaptive Three-Dimensional Probability CSMA Control Policy[J]. Acta Electronica Sinica, 2017, 45(2): 440-445. DOI： 10.3969/j.issn.0372-2112.2017.02.024.

摘要

对于无线传感器网络，节点业务负载量是随着时间和环境不断变化的；而且传统的CSMA（Carrier Sense Multi-channel Access）协议对于信道访问机制在自适应方面也存在不足.针对这些特点，本文分析了传统的载波监听多路访问（CSMA）协议的不足，为解决概率型CSMA协议中概率难以选择的问题，提出一种基于自适应机制的自适应三维概率CSMA（ATDP-CSMA）协议，采用平均周期的方法对ATDP-CSMA（Adaptive Three-Dimension Probability-CSMA）协议进行建模分析，得到了系统吞吐率的精确表达式.仿真结果表明，该协议不仅能够较好地适应节点业务负载量的变化，而且在高负载时也能保持一个较稳定的吞吐率.

Abstract

For wireless sensor networks

traffic load of each node is changing with time and environment; adaptive inadequate also exists in traditional Carrier Sense Multi-channel Access (CSMA) protocol for channel access mechanisms.For these characteristics

under analyzes the shortcomings of the traditional CSMA protocols

to solve the problem of difficult to select the probabilities in the probabilistic CSMA protocol

the paper proposed the adaptive three-dimension probability CSMA (ATDP-CSMA) protocol based on adaptive mechanism

using the average cycle analysis method in the analysis of ATDP-CSMA protocol model

getting the precision expression of system throughput.Simulation results show that proposed protocol not only can be well adapted to the changes of the node traffic load but also can be maintained a relatively stable throughput even at a high load.

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