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標題Title: Spectrum trading in cognitive radio networks: A market-equilibrium-based approach
作者Authors: 楊于世
上傳單位Department: 資訊管理系
上傳時間Date: 2009-11-10
上傳者Author: 楊于世
審核單位Department: 資訊管理系
審核老師Teacher: 陳偉業
檔案類型Categories: 研究生論文報告Thesis
關鍵詞Keyword: Spectrum trading , cognitive radio
摘要Abstract: Frequency spectrum is the scarcest radio resource in wireless communication networks.

The concept of cognitive radio was introduced to improve the frequency spectrum utilization in wireless networks.

We introduce a market-equilibrium-based spectrum trading mechanism that uses spectrum demand and supply of the primary and secondary users, respectively.

Since spectrum supply is stochastic in nature, a distributed and adaptive learning algorithm is used for the secondary users to estimate spectrum price and adjust the spectrum demand accordingly so that the market equilibrium can be reached.


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2009_11_e9be79f8.ppt 173Kb ppt 879 301
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