博碩士論文 102523047 詳細資訊




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姓名 宋育軒(Yu-Hsuan Sung)  查詢紙本館藏   畢業系所 通訊工程學系
論文名稱 採用拍賣策略之動態分散式方法於減少叢集小型基地台間干擾之研究
(A Dynamic Auction-based Distributed Scheme for Eliminating Signal Interference between Small Cells in a Cluster)
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摘要(中) 在本篇論文中,為了要解決叢集小型基地台間的互相干擾,提出了將拍賣理論應用於系統資源分配的想法;有別於傳統的ICIC/eICIC演算法雖然觀念簡單易於實做,但對頻譜的使用不夠有彈性,因此,希望利用拍賣"競爭"的概念讓最合適的人來使用資源,讓資源利用最佳化,在此先以第一密封式拍賣為基礎提出了投標式拍賣演算法,其中以電信營運商為賣方,系統資源(Resource Blocks)為拍賣品,各個小型基地台(Smallcells)為投標者,並選擇讓叢集中的一個小型基地台當任拍賣仲裁者角色來接受其他基地台的出價以及裁定投標勝負;各個基地台的出價策略是根據使用系統資源的效率為標準,讓可得到更高throughput的基地台會有較大的優勢去贏得競價,希望運用"適材適用"的觀念,進而提升整體系統效能;;除此之外,考慮到投標式拍賣演算法的運用將會集中大量運算於單一節點上,可能會造成擔任拍賣官的基地台運算量過大、無線資源不足、公平性問題、甚至因為天災人禍造成仲裁者損壞使系統不正常運作,為了改善這些問題,將原本演算法改變拍賣的策略與方式,變成以英式拍賣為基礎,利用所有會互相干擾的基地台皆是受同一電信商控制的概念,制訂所有人都必須尊崇的出價原則,藉此取消掉拍賣仲裁者角色,並在投標者的出價原則中加入了平衡持有比例的想法,改善投標式拍賣演算法中的投標者滿意度問題,分散式拍賣演算法的最終目標是"在追求高系統效能的情況下,保留有一定的資源給予弱勢的拍賣參與者"。
摘要(英) For the next generation network technology - Internet of Thing(IOT), which means everything in our daily life will connect to internet, for example: television, air conditioner, refrigerator, medicine equipment, and so on. Those of them hunger for network serving will cause an evolution to wireless network communication technology.
Adding more small cells, which are lower power, shorter coverage than the original Marco-cells in heterogeneous network architecture may be one of solutions to fulfill those requirements. However, numerous small cells will form a cluster, and they may cause additional problem to each member, i.e. the interference. The inter-cell interference coordinated(ICIC) was used to eliminate interference among Marco-cells in the 3GPP specifications of Release 8 about LTE can be adapted to release the interference problem. It is easy to understand and achieve, but its system resources utilization isn′t as same as we want. We dedicate ourselves to search for another possibility.
In this dissertation, we try to apply auction theory′s concept into addressing the interference among a cluster of small cells. We will propose an algorithm based on sealed-bid first price auction. In this auction algorithm, those of small cells can fight for system resource based on their channel quality. We hope the outcome is that system resource will be used by the best-fit base station, then that is why system throughput in auction algorithm is much higher than ICIC resolution.
Although the former auction algorithm gets high performance, we find that there are some small cell eNodeBs can′t grasp any resource during the auction in some conditions. The unfair defeat comes from the similar wanting resource and the small cell base station is not outstanding. These problem is the opportunity to make us to change our idea. We dramatic modify our algorithm, the distributed auction algorithm, which is based on English auction and erase the auction judge in new version. Concept of holding fairness is introduced in small cells′ bid process, it means that if one of small cell in the cluster doesn′t get enough resource in this auction, it will be assigned more power to compete for resource in the next auction. Distributed auction algorithm not only keeps advantages of the high system throughput compared to that of the former auction algorithm, but also delete the unfair issue.
關鍵字(中) ★ 異質網路
★ 小型基地台叢集
★ ICIC/eICIC
★ 拍賣理論
★ 投標式拍賣演算法
★ 分散式拍賣演算法
關鍵字(英)
論文目次 目錄
目錄..................................................IV
圖目錄.............................................VI
表目錄.................................................IX
一、序論.........................................1
1-1研究背景..............................1
1-2研究動機...........................................1
1-3論文架構.........................................3
二、相關背景及研究......................................4
2-1 LTE/LTE-A...............................4
2-1-1 LTE系統架構....................................8
2-1-2 LTE協定架構.................................9
2-1-2-1 無線存取層協定.......................10
2-1-2-2 網路層通訊協定.........................14
2-1-3 PHY資源規劃............................19
2-2 ICIC與eICIC................................22
2-2-1 為何需要使用ICIC/eICIC?....................................22
2-2-2 ICIC....................................22
2-2-3 eICIC......................................23
2-3 拍賣理論........................................24
2-3-1 利潤相等定理................................27
三、系統架構及分散式拍賣理論..........................28
3-1 基地台佈建.........................................28
3-2 小型基地台佈建情境..................................30
3-3 動態投標式拍賣演算法與動態分散式拍賣演算法...........31
3-3-1 拍賣演算法運作環境.............................31
3-3-2 動態投標式拍賣演算法..............................31
3-3-3 動態分散式拍賣演算法.............................39
四、模擬與分析......................................54
4-1模擬數據討論.........................54
4-1-1 系統throughput...............................54
4-1-1-1 模擬參數..........................54
4-1-1-2小型基地台叢集示意圖...........................56
4-1-1-3 系統throughput分析......................56
4-1-2 滿意度...........................59
4-1-2-1 模擬參數.....................60
4-1-2-2 模擬情境......................61
4-1-2-3 滿意度分析..........................61
五、結論與未來研究...............................66
六、參考文獻..............................67
參考文獻 [1] S. Sesia, I. Toufik, and M. Baker, "LTE, The UMTS Long Term Evolution : From Theory to Practice," ISBN:978-0-470-69716-0, WILEY-INTERSCIENCE, Apr. 2009

[2] 3GPP LTE Release 8

[3] Stefan Parkvall, Anders FurusKar, and Erik Dahlman, Ericsson Research, "Evolution of LTE toward IMT-Advanced," IEEE Communications Magazine, February 2011

[4] Nai-ning Chen, "Adaptive Carrier Aggregation Scheme for LTE-Advanced Systems." National Central University, communication thesis, September 2011

[5] Geoffrey Y. Li Jinping Niu, Daewon Lee, Jiancun Fan, and Yusun Fu, "Multi-Cell Coordinated Scheduling and MIMO in LTE", IEEE communications surveys & tutorials, vol. 16, no. 2, pp. 761-755, second quarter 2014

[6] G. Bauch, “MIMO Technologies for the Wireless Future,” Proc. International symposium on Personal Indoor and Mobile Radio Communications, Cannes France, Sept., 2008

[7] 何從廉,"3GPP LTE-A 下行傳輸之多點協調技術介紹",工研院資通所, 2011

[8] H. Taoka, S. Nagata, K. Takeda, Y. Kakishima, X. She, K. Kusume, "Special Articles on LTE-Adcanced Technology - Ongoing Evolution of LTE toward IMT-Advanced - MIMO and CoMP in LTE-Advanced", NTT DOCOMO Technical Journal Vol. 12 No. 2, pp. 20-28

[9] 許亨仰,「邁向全IP/扁平化架構 LTE/SAE掀行動網路革命」,新通訊元件雜誌,103期,2009年9月

[10] 3GPP TS 23.401 V9.3.0, "General Packet Radio Service(GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access"

[11] 許亨仰,「NAS/MAC/PHY各司其職 LTE通訊協定預埋4G伏筆」,新通訊元件雜誌,104期,2009年10月

[12] J. Zyren, "Overview of the 3GPP Long Term Evolution Physical Layer Aspect", March 2010

[13] Ismail Guvenc, Moo-Ryong Jeong, Ibrahim Demirdogen, Balkan Kecicioglu, and Fujio Watanabe, "Range Expansion and Inter-Cell Interference Coordination (ICIC) for Picocell Networks," DOCOMO Communications Laboratories USA, 2011

[14] http://4g-lte-world.blogspot.tw/2012/06/icic-and-eicic.html

[15]http://www.fujitsu.com/global/about/resources/news/press-releases/2011/0518-02.html

[16] Klemperer, Paul, " Auction Theory: A Guide to the Literature," Journal of Economic Surveys, Wiley Blackwell, vol. 13(3), pp. 227-86, July 1999.

[17] JM. Holtzman, Q Inc, CA San Diego - "Asymptotic analysis of proportional fair algorithm- Personal, Indoor and Mobile Radio Communications", IEEE PIMRC, 2001, pp. F-33-F-37 vol.2

[18] W. Ajib, D. Haccoun, "An overview of scheduling algorithms in
MIMO-based fourth-generation wireless systems
- Network", IEEE, 2005, pp. 43-48

[19] A. Damnjanovic, J. Montojo, Yongbin Wei, Tingfang Ji, Tao Lui, M. Vajapeyam, Taesang Yoo, Osok Song, D. Malladi, "A survey on 3GPP heterogeneous networks", Wireless Communications, IEEE, pp. 10-21,June 2011

[20] http://www.ericsson.com/tw/thecompany/our_publications/4g-dictionary/technology
指導教授 吳中實 審核日期 2015-6-24
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