Transmission power adaptations for data collision avoidance in wireless ad hoc networks

Authors:
Chau-Chieh Chang;Yen-Da Chen;Wen-Hwa Liao;Kuei-Ping Shih
Affiliations:
Department of Computer Science and Information Engineering, Tamkang University, Tamshui 251, Taipei, Taiwan;Department of Computer Information and Network Engineering, Lunghwa University of Science and Technology, Taoyuan 333, Taiwan;Department of Information Management, Tatung University, Taipei 104, Taiwan;Department of Computer Science and Information Engineering, Tamkang University, Tamshui 251, Taipei, Taiwan
Venue:
International Journal of Ad Hoc and Ubiquitous Computing
Year:
2013

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Abstract

The paper proposes a fragmentation-based MAC protocol with power control, named F-RCRC MAC protocol, for wireless ad hoc networks to avoid the Large Interference Range Collision LIRC problem, which is a kind of hidden terminal problem. F-RCRC designs a new interframe space, called FIFS, to reduce the overhead caused by the fragmentation scheme. Taking advantage of fragmentation, the design of FIFS can effectively avoid the hidden STAs from interfering with the receiver's reception. F-RCRC can reduce the energy consumption and increase the spatial reuse due to the controlled transmission power. Simulation results show that F-RCRC performs much better than the related work in terms of network throughput as well as energy efficiency.