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IoT 15(2): e3

Research Article

Joint Optimization of Carrier Sensing Threshold and Transmission Rate in Wireless Ad Hoc Networks

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  • @ARTICLE{10.4108/eai.19-8-2015.2259770,
        author={Yongping Zhang and Bo Li and Mao Yang and Zhongjiang Yan and Xiaoya Zuo},
        title={Joint Optimization of Carrier Sensing Threshold and Transmission Rate in Wireless Ad Hoc Networks},
        journal={EAI Endorsed Transactions on Internet of Things},
        volume={1},
        number={2},
        publisher={EAI},
        journal_a={IOT},
        year={2015},
        month={9},
        keywords={carrier sensing threshold, transmission rate, area throughput, area capacity},
        doi={10.4108/eai.19-8-2015.2259770}
    }
    
  • Yongping Zhang
    Bo Li
    Mao Yang
    Zhongjiang Yan
    Xiaoya Zuo
    Year: 2015
    Joint Optimization of Carrier Sensing Threshold and Transmission Rate in Wireless Ad Hoc Networks
    IOT
    EAI
    DOI: 10.4108/eai.19-8-2015.2259770
Yongping Zhang1, Bo Li1, Mao Yang1,*, Zhongjiang Yan1, Xiaoya Zuo1
  • 1: School of Electronics and Information, Northwestern Polytechnical University
*Contact email: yangmao@nwpu.edu.cn

Abstract

The ever-increasing demands of wireless traffic call for continuously growing the wireless network capacity or throughput. Carrier sensing threshold adaptation and transmission rate adaptation, two efficient mechanisms improving the capacity of ad hoc network, have attracted much attention in recent years. However, simply adopting either mechanism can hardly meet the expectation that optimizing the network capacity. In this paper, we investigate the joint optimization of carrier sensing threshold and transmission rate to improve the network capacity or throughput. The area capacity (throughput), which is defined as the network capacity (throughput) per unit area, is theoretically analyzed. Meanwhile, the relationship between carrier sensing threshold and transmission rate is theoretically revealed. Furthermore, the optimal area capacity is obtained by jointly optimizing the carrier sensing threshold and the transmission rate. Simulation results validate our analysis and derived results, and show that the throughput is significantly improved by the joint optimization.

Keywords
carrier sensing threshold, transmission rate, area throughput, area capacity
Published
2015-09-08
Publisher
EAI
http://dx.doi.org/10.4108/eai.19-8-2015.2259770

Copyright © 2015 Y. Zhang et al., licensed to EAI. This is an open access article distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/3.0/), which permits unlimited use, distribution and reproduction in any medium so long as the original work is properly cited.

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