分層認知無線電網(wǎng)絡中基于穩(wěn)定匹配的資源分配算法

曹龍; 趙杭生; 鮑麗娜; 張建照

doi:10.11999/JEIT151460

分層認知無線電網(wǎng)絡中基于穩(wěn)定匹配的資源分配算法

doi: 10.11999/JEIT151460

基金項目:

國家自然科學基金(61471395, 61471392, 61301161)，江蘇省自然科學基金(BK20141070)

計量
- 文章訪問數(shù): 1418
- HTML全文瀏覽量: 179
- PDF下載量: 445
- 被引次數(shù): 0
出版歷程
- 收稿日期: 2015-12-24
- 修回日期: 2016-05-26
- 刊出日期: 2016-10-19

Resource Allocation Algorithm Based on Stable Matching in Hierarchical Cognitive Radio Networks

Funds:

The National Natural Science Foundation of China (61471395, 61471392, 61301161), The Natural Science Foundation of Jiangsu Province (BK20141070)

摘要

摘要: 頻譜資源的合理分配是認知無線電技術追求的目標之一，隨著認知無線電網(wǎng)絡中的次用戶(SUs)數(shù)量不斷增加，頻譜資源的精確、實時分配與管控越來越難以實現(xiàn)。針對此問題，該文提出一種分層的認知無線電網(wǎng)絡(CRN)架構(gòu)，多個管理實體專注于為各層用戶提供頻譜服務；并在該架構(gòu)下，提出一種基于穩(wěn)定匹配的資源分配算法，用戶通過自主協(xié)商形成分配結(jié)果，不僅保證了主用戶(PUs)對次用戶的功率限制，還充分考慮了各自的效用。仿真結(jié)果表明，所提算法的性能接近于最優(yōu)方案，并降低了計算復雜度和系統(tǒng)時延。
- 認知無線電 /
- 資源分配 /
- 匹配理論 /
- 穩(wěn)定匹配 /
- 最優(yōu)化
Abstract: The rational spectrum resource allocation is one of the goals of Cognitive Radio (CR) technology. With the rapid increase of Secondary Users (SUs) numbers, the precise and real-time management becomes more and more difficult to achieve. In order to solve this problem, a hierarchical Cognitive Radio Network (CRN) architecture that several administration entities focus on providing spectrum services for users of variety tiers is proposed. The corresponding resource allocation algorithm based on stable matching in this architecture is also given. This algorithm guarantees the restriction on SUs transmission power for Primary Users (PUs), and also considers both utility functions of users. Simulation results demonstrate that the proposed method can roughly achieve the same performance of optimal solution with lower computation complexity and system delay.
- Cognitive Radio (CR) /
- Resource allocation /
- Matching theory /
- Stable matching /
- Optimization

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參考文獻(21)

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