MSHCS-MAC: A MAC for Multi-hop Cognitive Radio Networks Based on Slow Hopping and Cooperative Sensing Approach with Time Synchronization 


Vol. 43,  No. 11, pp. 1819-1830, Nov.  2018
10.7840/kics.2018.43.11.1819


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  Abstract

While the recently proposed Slow Hopping based Cooperative Sensing MAC (SHCS-MAC) protocol has the ability to improve aggregate throughput and achieve better coexistence with primary users (PUs) and secondary users (SUs) in cognitive radio (CR) networks where each node has only one radio, it has several limitations. Firstly, SHCS-MAC only covers the communication among SUs within one hop. Additionally, the protocol was implemented and evaluated in a network simulation software which doesn"t always reflect practical environment especially in the case of time synchronization and cooperative spectrum sensing. In this thesis, MSHCS-MAC is proposed. The contribution of MSHCS-MAC is two folds: first, it proposes an extension for SHCS-MAC to provide communication over multiple hops of CR Networks with only one radio is required for relay nodes. Second, a fully functional implementation of MSHCS-MAC including RBS-LB(Loop Back) based strict time synchronization is provided so it can be used as a base for future research and deployment of CR networks. MSHCS-MAC is implemented based on common software and hardware such as GNU Radio, USRP and available on both Linux PC and Android mobile device.

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  Cite this article

[IEEE Style]

W. Yoon, N. Pham, K. Kwon, J. Im, D. Kim, "MSHCS-MAC: A MAC for Multi-hop Cognitive Radio Networks Based on Slow Hopping and Cooperative Sensing Approach with Time Synchronization," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 11, pp. 1819-1830, 2018. DOI: 10.7840/kics.2018.43.11.1819.

[ACM Style]

Won-Deuk Yoon, Nhat Pham, Ki-Woong Kwon, Jang-Gwan Im, and Dae-Young Kim. 2018. MSHCS-MAC: A MAC for Multi-hop Cognitive Radio Networks Based on Slow Hopping and Cooperative Sensing Approach with Time Synchronization. The Journal of Korean Institute of Communications and Information Sciences, 43, 11, (2018), 1819-1830. DOI: 10.7840/kics.2018.43.11.1819.

[KICS Style]

Won-Deuk Yoon, Nhat Pham, Ki-Woong Kwon, Jang-Gwan Im, Dae-Young Kim, "MSHCS-MAC: A MAC for Multi-hop Cognitive Radio Networks Based on Slow Hopping and Cooperative Sensing Approach with Time Synchronization," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 11, pp. 1819-1830, 11. 2018. (https://doi.org/10.7840/kics.2018.43.11.1819)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880