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Vol. 160, Issue 12, December 2013, pp. 209-214

 

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The P-persistent CSMA Protocol with Monitoring Function in WSN and the Analysis of the Protocol
 
1 Yingying GUO, 2 Hongwei DING, 3 Jing NAN, 4 Yifan ZHAO, 5 Qianlin LIU

1, 3, 4 School of Information, Yunnan University, No.2 Green Lake North Road, Kunming, Yunnan, 650091, China 2 Department of Communication Engineering, Yunnan University, No.2 Green Lake North Road, Kunming, Yunnan, 650091, China 5 Yunnan Provincial Military Command?Kunming, Yunnan, 650000, China

1 Tel.: +8615887221310

1 E-mail: Guoyingying727@126.com

 

Received: 18 September 2013   /Accepted: 22 November 2013   /Published: 30 December 2013

Digital Sensors and Sensor Sysstems

 

Abstract: This paper presents a new p-persistent CSMA wireless sensor network MAC protocol with monitoring function based on random multiple access system, and gets the mathematical expressions of system throughput, system average operating power and the life cycle of terminal nodes of p-persistent CSMA wireless sensor network MAC protocol with monitoring function through complicated mathematical modeling, rigorous mathematical derivation and using average period analysis. The computer simulation results not only confirm the correctness of the theoretical analysis but also show that the p-persistent CSMA with monitoring for WSNs MAC protocol due to join the monitoring signals, resulting in the decrease of systemic throughput, but reduce the collision probability. Meanwhile, the p-persistent CSMA wireless sensor network MAC protocol with monitoring function this paper presents can effectively reduce energy consumption.

 

Keywords: Random multiple access system, Throughput, Average operating power, Life cycle, Monitoring function, and Average period analysis.

 

 

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