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專題研討(104/5/20) -張時中 教授 (國立台灣大學電機工程學系教授)
公告日期:2015-05-19   公告來源:

題目:Auction Mechanism Design for Short Interval Secondary Spectrum Market

主講人:張時中 教授 (國立台灣大學電機工程學系教授)

時間:104年5月20日(星期三13:30 - 15:00)

地點:文1F11

Abstract :

Abstract—Exploitation of underutilized spectrum is an effective approach to meet the explosive demand for wireless communications. When heterogeneous secondary networks (HSNs) are allowed to operate in the same underutilized spectrum, their coexistence becomes a critical issue. This paper considers a coexistence network that involves one spectrum provider (SP) sharing unused spectrum resources to multiple HSNs. To coordinate interference-free spectrum sharing among these HSNs, this paper adopts an auction-based approach and designs an Unilateral Vickrey-Clarke-Groves (VCG)-based Auction for HSNs (UVAH). UVAH has three novel designs that make it a practical and efficient solution. Firstly, effective partition of auction regions takes into account the SP’s non-uniform amount of supply units in a target area. Secondly, based on the partition, UVAH provides HSNs with a highly expressive package bidding format to freely specify the amount of demand units and operating regions. Lastly virtual bidders are introduced so as to resolve the revenue deficiency problem of VCG while retaining the property of truthfulness. With these three designs, UVAH maximizes the social welfare of the coexistence network without sacrificing the overall spectrum utilization. Numerical analysis shows that, compared to the existing solutions, UVAH improves spectrum utilization, spectrum revenue and HSN satisfaction by 9.96%, 17.26% and 121.73%, respectively.

 

 
 
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國立臺北大學通訊工程學系前身為國立台北大學通訊工程研究所,於2004年成立,位於南港軟體園區、中研院及新竹科學園區間,三峽交流道旁,為台灣高科技產業的中心點。本系主要發展通訊高科技產業,強調獨立思考及創新設計能力之訓練,並要求學生參與研究計畫,以驗證所學和獲取經驗,同時培養理論與實務兼備、人文與科技整合的高級人才。發展方向為通訊系統設計、通訊晶片設計、網路交換、數位訊號處理、多媒體通訊等相關技術。近年積極參與工程科技教育認證(IEET),並於2010年通過認證。目前設有通訊工程學士班、碩士班、資通科技產業碩士專班、及國際學生碩士班。

 
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