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A Highly Successful Frame Contention Strategy for Self-Coexistence in IEEE 802.22 Wireless Regional Area Networks

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Abstract

As the first standard for cognitive radio networks, IEEE 802.22 wireless regional area networks (WRANs) exploit television white spaces. Secondary networks have to preserve primary network communications and to coexist with other secondary networks. To support self-coexistence in the IEEE 802.22 WRANs, two spectrum access methods are provided; namely, spectrum etiquette and on-demand frame contention (ODFC). The IEEE 802.22 base stations conduct the spectrum etiquette if there is an exclusively available channel; otherwise, it performs ODFC. ODFC enables the base stations to share the operating channel. However, in ODFC, contention success or failure depends on a random number generator without other considerations and contention destination is randomly selected regardless of the traffic at the destination. This paper proposes a novel frame contention strategy called highly successful frame contention (HSFC). The outstanding features of HSFC are: (1) the contention source chooses the idlest base station as the contention destination (2) the contention source with more users has a higher probability to win the frame contention, and (3) the contention destination takes its own traffic condition into consideration when processing the contention request. The performance evaluation showed that the proposed HSFC increases contention success probability and throughput remarkably compared to the conventional ODFC.

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Acknowledgments

The authors wish to thank the editor and anonymous reviewers for their helpful comments for improving this paper. This research was supported in part by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2013R1A1A2011744). Correspondence should be addressed to Dr. Sangman Moh (smmoh@chosun.ac.kr).

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Authors and Affiliations

  1. Department of Computer Engineering, Chosun University, Gwangju, 501-759, South Korea

    Shelly Salim & Sangman Moh

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  1. Shelly Salim
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  2. Sangman Moh
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Correspondence to Sangman Moh.

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Salim, S., Moh, S. A Highly Successful Frame Contention Strategy for Self-Coexistence in IEEE 802.22 Wireless Regional Area Networks. Wireless Pers Commun 83, 959–973 (2015). https://doi.org/10.1007/s11277-015-2434-y

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  • DOI: https://doi.org/10.1007/s11277-015-2434-y

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