Abstract
In order to enhance throughput in wireless sensor networks (WSNs), we propose a transmission rate optimized cooperative MAC (TRO-CMAC) protocol. The protocol always adopts the cooperative transmission with high transmission rates to replace the direct transmission with low transmission rate. A sender preselects two best candidate relays from its relay information table according to recent equivalent transmission rate and channel condition for use in cooperative transmission. These two relays contend to become the final best relay with instantaneous cooperative transmission rate and channel condition. Simulation results show that TRO-CMAC protocol can obtain higher throughput than those of the RCF-CMAC and 2rcMAC protocols.
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Acknowledgements
This work is supported by the National Natural Science Foundation of China under Grant Nos. 61231013, 61271195 and 61301083, the National Science Foundation for Innovative Research Groups of China under Grant No. 61521091, and the State Scholarship Fund of CSC under Grant No. 201406025008.
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© 2018 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Zhao, P., Liu, K., Liu, F., Fang, R. (2018). A Transmission Rate Optimized Cooperative MAC Protocol for Wireless Sensor Networks. In: Chen, Q., Meng, W., Zhao, L. (eds) Communications and Networking. ChinaCom 2016. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 209. Springer, Cham. https://doi.org/10.1007/978-3-319-66625-9_6
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DOI: https://doi.org/10.1007/978-3-319-66625-9_6
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