在無線感知網路下以排程為基礎之資源分配研究

李鎮亞

doi:10.6846/TKU.2013.01132

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在無線感知網路下以排程為基礎之資源分配研究

Resource Allocation in Wireless Cognitive Network Based on a New Scheduling Mechanism

李鎮亞 , Masters　　Advisor：葛煥昭　　

繁體中文 DOI： 10.6846/TKU.2013.01132

無線感知網路；公平性；排程；資源分配； Wireless Cognitive Network ； fairness ； scheduling ； resource allocation

Abstract │ Reference (14) │ Altmetrics

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Nowadays, the resource of wireless spectrum is limited because of using fixed bandwidth allocation, and inefficient use of spectrum is become a serious problem. At the moment, in order to increase the efficient use of spectrum, the Wireless Cognitive Network is presented to address this issue. Spectrum sensing collects remaining available resources which allow other users to be able to access, and use of designed scheduler to improve spectrum utilize efficiency. The designed scheduler makes different services correspond to different data streams to provide different Quality of Service with various applications. Priority adjustments and resource allocation were taken into account when the scheduler was designed in this paper. Limiting users with lower priority settings in the scheduling algorithm is efficacious for regulating the order of resource allocations made to the users. The goal is to achieve the highest system performance by enhancing transmission efficacy and satisfying the fairness of resource allocation at the same time. Finally, the scheduling avoids connection latency and starvation related to lower priority resource allocation.

Reference ( 14 ) 〈TOP〉

[2]Y. Chang, et al., “Cognitive Radio Networking and Communications: An Overview”, IEEE Transactions on Vehicular Technology, VOL. 60, NO. 7, Sept. 2001.
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[3]H. Fattah, and C. Leung, “An overview of scheduling algorithms in wireless multimedia networks,” IEEE Wireless Communications, vol. 9, no.5, pp. 76–83, Oct. 2002.
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[4]Y. CAC & Victor O. K. Li, “Scheduling Algorithms in Broad-Band Wireless Networks,” IEEE Proceedings of The IEEE, VOL. 89, NO. 1, pp. 76-87, Jan. 2001.
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[5]J. Mitola, et al., “Cognitive radio: Making software radios more personal,” IEEE Pers. Commun., vol. 6, no. 4, pp. 13–18, Aug. 1999.
連結：
[6]J. Mitola, “Cognitive radio for flexible mobile multimedia communications”, Journal Mobile Networks and Applications, pp. 435-441, 2001.
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