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系統識別號 U0002-1606201117265400
中文論文名稱 基植於IEEE 802.16m毫微微蜂巢式基地台網路中,一個具負載與干擾感知之協同合作下行頻寬資源分配協定設計
英文論文名稱 A Load- and Interference-aware Cooperative Resource Allocation Protocol for Downlink Traffic in IEEE 802.16m Femtocells
校院名稱 淡江大學
系所名稱(中) 資訊工程學系碩士班
系所名稱(英) Department of Computer Science and Information Engineering
學年度 99
學期 2
出版年 100
研究生中文姓名 盧承毅
研究生英文姓名 Cheng-Yi Lu
學號 698410395
學位類別 碩士
語文別 中文
第二語文別 英文
口試日期 2011-05-20
論文頁數 50頁
口試委員 指導教授-黃心嘉
委員-廖文華
委員-黃心嘉
委員-石貴平
委員-王三元
中文關鍵字 協同合作傳輸機制  毫微微蜂巢式基地台  IEEE 802.16m  調變與編碼技術  全球互通微波存取 
英文關鍵字 Cooperative Transmission Mechanism  Femto ABS  IEEE 802.16m  Modulation and Coding Schemes (MCSs)  WiMAX 
學科別分類 學科別應用科學資訊工程
中文摘要 Femtocells是由多個Femto Advanced Base Station(Femto ABS)所構成的網路環境,由於Femto ABSs是由使用者自行佈建,因此如何有效避免不同Femto ABSs間的互相干擾,以確保資料能夠成功傳輸,是一個很重要的議題。因此,本論文考量在IEEE 802.16m Femtocells環境下,提出一利用多個(Femto ABS)協同合作來進行傳輸的頻寬資源與電量分配協定。由於每個Advanced Mobile Station (AMS)所在環境的不同以及Femto ABSs之間會因為任意佈建的關係而發生信號干擾的情況,使得AMSs於每個Subchannel上會有不同的信號品質,亦即上述情況影響了ABS能夠使用之調變與編碼技術也提昇了ABS進行頻寬分配時的難度。因此本論文利用協同合作傳輸機制將原本是干擾的訊號轉變成傳輸信號,此外,本論文針對不同的AMSs在每個Subchannel傳輸品質好壞來決定適合傳輸之電量,並考量Downlink 頻寬資源的使用與排程。實驗結果顯示,相較於不考量協同合作傳送,本論文所提出之協同合作Downlink頻寬資源與電量分配傳輸協定能夠提升Downlink 頻寬利用率且有較高的Throughput。
英文摘要 Femtocells are organized by lots of Femto ABSs and AMSs. Because a Femto ABS is deployed by the users, it causes intercell interference problem with its neighboring Femto ABSs. So, it is an important issue to solve intercell interference problem and to improve the data delivered ratio for AMSs. This thesis proposes a cooperative downlink bandwidth and power allocation (CDBPA) protocol in the IEEE 802.16m femtocells. CDBPA protocol contains two parts, power allocation mechanism and burst allocation mechanism to schedule the position of each burst and transmission power of each Femto ABS for data transmission to AMSs in each subchannel. Since each AMS in each subchannel has different receiving condition, the design of the downlink bandwidth and power allocation will encounter a big challenge because it is hard to know neighboring Femto ABS’s resource allocation information. Considering that downlink loading between two Femto ABSs are not balanced, CDBPA protocol uses unused Logic Resource Units (LRUs) of the low loading Femto ABS to perform cooperative transmissions to improve the used burst profile for data transmissions. The CDBPA protocol can reduce the intercell interference and improve Frame utilization of low loading Femto ABS. The simulation results show that the performance of CDBPA outperforms other related work in terms of bandwidth utilization and system throughput.
論文目次 Table of Contents
1 Introduction 1
2 Preliminaries 4
2.1 IEEE 802.16m Frame Structure 4
2.2 IEEE 802.16m Femtocells architecture 5
2.3 Femtocell Interference Problem 8
2.4 Downlink Traffic Loading and Resource Wastage 10
2.5 Cooperative Transmission 11
2.6 Related Works 12
3 Cooperative Downlink Bandwidth and Power Allocation (CDBPA) Protocol 17
3.1 Femto ABS Selection 18
3.2 Burst Pre-Allocation 20
3.3 Cooperative Result Announcement 24
3.4 Discussions 24
4 Performance Evaluation 29
5 Conclusions 34
6 Reference 35
7 附錄-英文論文 39

List of Figures
Figure(1)、IEEE 802.16m Frame Structure示意圖 4
Figure(2)、IEEE 802.16m Burst Allocation示意圖 5
Figure(3)、WiMAX Femtocell system architecture示意圖 6
Figure(4)、Power Allocation示意圖 9
Figure(5)、Resource Blocking 示意圖 10
Figure(6)、Femto ABSs間loading不同與Frame浪費示意圖 10
Figure(7)、協同合作傳輸示意圖 12
Figure(8)、ICIC演算法示意圖 14
Figure(9)、ICIC演算法造成Available LRUs之示意圖 15
Figure(10)、DRA演算法示意圖 15
Figure(11)、Blocking LRUs示意圖 18
Figure(12)、Spare Capacity Request 夾帶Available LRUs示意圖 19
Figure(13)、不同MCS所釋放的s_j^(n^' )示意圖 21
Figure(14)、兩個Femto ABSs透過協同合作傳輸 23
Figure(15)、電量轉換成線性方程式示意圖 24
Figure(16)、兩個Femto ABSs同時對一個Femto ABS提出Spare Capacity Request 25
Figure(17)、兩個Femto ABSs先後對同一個Femto ABS提出Spare Capacity Request 25
Figure(18)、Femto ABS透過Spare Capacity Report回報計算結果示意圖 27
Figure(19)、送出Spare Capacity Request後收到Spare Capacity Request示意圖 27
Figure(20)、System Throughput 30
Figure(21)、Frame Utilization 31
Figure(22)、Serving Ratio 32


List of Tables
Table(1)、Spare Capacity Request TLV Information 7
Table(2)、Spare Capacity Report TLV Information 7
Table(3)、調變與編碼技術之訊雜比Threshold對照表 22
Table(4)、實驗相關參數 29
參考文獻 [1] IEEE Std. P802.16, “IEEE Standard for Local and metropolitan area networks Part 16: Air Interface for Broadband Wireless Access Systems”, IEEE Std., May, 2009.
[2] IEEE Draft Std. P802.16m D12, “DRAFT Amendment to IEEE Standard for Local and metropolitan area networks Part 16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems”, IEEE Std., Feb., 2011.
[3] B. Can, H.Yanikomeroglu, F. A. Onat, E. D. Carvalho, and H. Yomo, “Efficient Cooperative Diversity Schemes and Radio Resource Allocation for IEEE 802.16j,” in Proceedings of the IEEE Wireless Communications and Networking Conference (WCNC 2008), Les Vegas, Nevada, USA, Mar. 31-Apr. 3, 2008.
[4] M. K. Karakayali, G. J. Foschini, and R. A. Valenzuela, “Network coordination for spectrally efficient communications in cellular systems,” IEEE Wireless Commun., vol. 13, no. 4, pp. 56–61, Aug. 2006.
[5] H. Claussen, “Performance of Macro-and Co-Channel Femtocells in a Hierarchical Cell Structure,” in Proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2007), Athens, Greece, Sep. 3-7, 2007.
[6] J. Y. Kim ,and D. H. Cho, “A Joint Power and Subchannel Allocation Scheme Maximizing System Capacity in Dense Femtocell Downlink Systems,” in Proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2009), Tokyo, Japan, Sep. 13-16, 2009.
[7] X. Li, L. Qian, and D. Kataria, “Down link Power Control in Co-channel Marcocell Femtocell Overlay,” in Proceedings of the Conference on Information Sciences and Systems (CISS 2009), Baltimore, Maryland, Mar. 18-20, 2009.
[8] H. C. Lee, D. C. Oh, and Y. H. Lee, “Mitigation of Inter-Femtocell Interference with Adaptive Fractional Frequency Reuse,” in Proceedings of the IEEE International Conference on Communications (ICC 2010), Cape Town, South Africa, May 23-27, 2010.
[9] A. G. Serrano, and L. Giupponi, “Distributed Q-learning for Interference Control in OFDMA-based Femtocell Networks,” in Proceedings of the IEEE Vehicular Technology Conference (VTC 2010-Spring), Taipei, Taiwan, May 16-19, 2010.
[10] M. Bennis, and D. Niyato, “A Q-learning Based Approach to Interference Avoidance in Self-Organized Femtocell Networks,” in Proceedings of the IEEE Global Communications Conference Workshop (GLOBECOM Workshop 2010), Miami, Florida, USA, Dec. 6, 2010.
[11] R. Y. Chang, Z. Tao, J. Zhang, and C. C. Jay Kuo, “Multicell OFDMA Downlink Resource Allocation Using a Graphic Framework,” IEEE Transactions on VEHICULAR TECHOLOGY, vol. 58, no.7, 2009.
[12] D. Lopez-Perez, A. Juttner, and J. Zhang, ”Dynamic Frequency Planning Versus Frequency Reuse Schemes in OFDMA Networks,” in Proceedings of the IEEE Vehicular Technology Conference (VTC 2009-Spring), Barcelona, Spain, Apr. 26-29, 2009.
[13] K. Sundaresan, and S. Rangarajan, “Efficient Resource Management in OFDMA Femto Cells,” in Proceedings of the ACM International Symposium on Mobile Ad Hoc Networking and Computing (Mobihoc 2009), New Orleans, Louisana, USA, May 18-21, 2009.
[14] U. Jang, K. Y. Lee, K.S. Cho, and W. Ryu, “Downlink Transmit Beamforming for Inter-cell Interference Mitigation with BS Cooperation,” in Proceedings of the IEEE Global Communications Conference (GLOBECOM 2010), Miami, Florida, USA, Dec. 6-10, 2010.
[15] H. Jung, and J. Lee, “Downlink Resource Management for OFDMA Femtocells using Stochastic Subchannel Allocation,” in Proceedings of the Asia-Pacific Conference on Communications (APCC 2010), Auckland, Zealand, Oct. 31-Nov. 3, 2010
[16] WiMAX Forum NWG., “WiMAX Forum Network Architecture - Release 1, Version 1.3.0,” WiMAX Forum NWG., Nov, 2008.
[17] R. Y. Kim, S. K. Jin, and K. Etemad, “WiMAX Femtocells: Requirements, Challenges, and Solutions,” IEEE Communications Magazine, vol. 47, Issue 9, 2009.
[18] S. P. Yeh, S. Talwar, S. C. Lee , and H. Kim, “WiMAX Femtocells A Perspective on Network Architecture, Capacity, and Coverage,” IEEE Communications Magazine, vol. 46, Issue 10, 2008
[19] A. Erta, C. Cicconetti, and L. Lenzini, “A Downlink Data Region Allocation Algorithm for IEEE 802.16e OFDMA,” in Proceedings of the International Conference on Information, Communications and Signal Processing (ICICS 2007), Singapore, Dec. 10-13, 2007.
[20] ITU-R Recommendation M.1225, “Guidelines for evaluation of radio transmission technologies for IMT-2000,” Feb. 1997.
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