Energy-efficient reduced collision MAC for wireless sensor networks

doi:10.3778/j.issn.1002-8331.2010.35.028

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (35): 97-100.DOI: 10.3778/j.issn.1002-8331.2010.35.028

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Energy-efficient reduced collision MAC for wireless sensor networks

MIAO Yi¹，FENG Hao-ran²

1.Research Institute of Machinery Industry Economic & Management，Beijing 100055，China
2.Department of Automation，Tsinghua University，Beijing 100084，China

Received:2009-05-15 Revised:2010-06-25 Online:2010-12-11 Published:2010-12-11
Contact: MIAO Yi

无线传感网中能量有效的免碰撞MAC协议

苗毅¹，冯浩然²

1.中国机械工业经济管理研究院，北京 100055
2.清华大学自动化系，北京 100084

通讯作者: 苗毅

Abstract

Abstract: Wireless sensor network employs CSMA/CA and BEB（Binary Exponential Backoff） mechanism to avoid collision generally.This paper presents an energy-efficient reduced collision（ERC） MAC.ERC separates the data transmission cycle into two phases，negotiation phase and transmission phase.ERC improves the throughput and energy efficiency by collision avoidance，terminal sleeping and bulk transmission mechanisms.Simulation results demonstrate that ERC can enhance the network throughput and energy efficiency under various offered load rates.

Key words: wireless sensor network, MAC protocol, reduced collision, energy-efficiency

摘要： 无线传感网络普遍使用CSMA/CA机制和二进制指数退避算法避免碰撞。提出了一种能量有效的免碰撞MAC协议ERC。该协议将数据传输划分为协商和节点排队传输两个阶段，通过碰撞避免、节点休眠和批量传输机制提升吞吐量并节省整体能耗。理论分析和仿真表明，该协议在各种负载情况下都能明显提升网络的吞吐量与能量效率。

关键词: 无线传感网, MAC协议, 免碰撞, 能量效率

CLC Number:

TP393

MIAO Yi¹，FENG Hao-ran². Energy-efficient reduced collision MAC for wireless sensor networks[J]. Computer Engineering and Applications, 2010, 46(35): 97-100.

苗毅¹，冯浩然². 无线传感网中能量有效的免碰撞MAC协议[J]. 计算机工程与应用, 2010, 46(35): 97-100.

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Energy-efficient reduced collision MAC for wireless sensor networks

无线传感网中能量有效的免碰撞MAC协议

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