Location-Based Medium Access Control Protocol for Data Intensive Wireless Sensor Networks

Abstract:

The traditional CSMA MAC node simply blocks its transmission if the medium is sensed to be busy. Thus, it is inefficient in terms of the network throughput due to overcautious estimation of the interference. In this paper, we propose a novel location-aware medium access protocol for data intensive wireless sensor networks. In this protocol, the contending nodes make use of their location information to achieve the concurrent transmission of exposed terminal so as to reduce collisions and improve the overall performance. We evaluate it in terms of delay and throughput and compare it with S-AMC using simulations. Results show that the proposed MAC protocol can take advantage of the location distribution of nodes to improve the average throughput of the network, reducing data transmission delay, and effectively improving the efficiency and performance in data intensive wireless sensor networks compared to S-AMC.

• Periodical: Advanced Materials Research (Volumes 756-759)
• Pages: 209-213
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.756-759.209
• Online since: September 2013
• Authors: Guo Yan Yang, Xin Guan, Yan Feng Li
• Keywords: Concurrent Transmission, Exposed Terminal, MAC Protocol, Multihopwireless Networks

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