博碩士論文 975203037 詳細資訊




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姓名 方浩安(Hao-An Fang)  查詢紙本館藏   畢業系所 通訊工程學系
論文名稱 802.16e 網路之下行鏈路無線電資源管理與睡眠模式之整合研究
(The Study of Radio Resource Management and Power Saving for Downlink in WiMAX Network)
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摘要(中) 近幾年來節能減碳的議題不斷地被討論,許多硬體或軟體也主打綠色節能,由此可見節能的議題是非常受到廣泛地討論,像是手機、隨身聽、筆記型電腦…等等,此類產品都是需要有省電機制的,如此一來才可延長裝置的使用時間,因此省電機制是非常重要的技術之一。在IEEE 802.16e規格裡針對行動式的MS加入了省電機制,是為了延長行動裝置的使用時間,使MS可以達到週期性的睡眠,以減少電力的消耗。
  IEEE 802.16e提供 QoS 的設計讓各類型的服務在 WiMAX 上多了一份保證,在標準中已有定義連線QoS的系統架構,但是對於封包排程機制卻缺乏詳細規範,而是交由系統開發商自行制定排程機制以達到最佳的網路效能。因此排程在802.16e中也是相當重要的一環,但一般的排程設計,並不會將省電機制也考慮進去,因此睡眠效率較低。
  最後本文研究重點是如何整合資源排程與省電機制,且不影響其它系統效能,進而達成排程與省電機制之整合,並滿足各種服務的QoS,達到較佳的睡眠效率,使得省電及QoS兩者得以兼顧。
摘要(英) In recent years, energy saving and carbon reduction issues are continuously discussed. Many hardware or software developments focus on green technology. Several power saving issues are very widely discussed in communication equipment.
  In IEEE 802.16e standard, the power saving mechanism is defined to extend the operation time for mobile devices through sleeping arrangement. However, IEEE 802.16e also provides QoS design to support various types of services to guarantee transmission quality. Traditionally, the packet scheduling in wireless environment consider the trade off between system throughput and QoS under the channel condition constraint. In this thesis, we propose a power saving centric scheduling scheme for the downlink traffic in WiMax network. This research proposes a just enough performance satisfaction scheduling scheme while achieving better power saving efficiency. Both of real time and non real time traffic types are considered. Once receiving the sleep request from the MS, the proposed scheme in BS performs the packet scheduling so that the MS can get longer sleeping period. Both partial arrangement and fully arrangement policies are discussed. The simulation results illustrates that the proposed scheme can achieve the above objectives under the QoS constraints.
關鍵字(中) ★ 排程
★ 服務品質
★ 省電機制
★ 下行鏈路
★ 802.16e
關鍵字(英) ★ schedule
★ QoS
★ power saving
★ downlink
★ 802.16e
論文目次 目錄
中文摘要 I
Abstract II
誌謝 III
目錄 IV
圖目錄 V
表目錄 VII
第一章 緒論 1
1.1 研究背景 1
1.2 研究動機 1
1.3 章節概要 2
第二章 相關背景研究 4
2.1 802.16e無線網路基本介紹 4
2.2 802.16e網路QoS架構 8
2.3 802.16e省電機制 12
2.4 相關文獻探討 15
第三章 研究方法 20
3.1 系統架構介紹 20
3.2 Whole-Reschedule Scheme 24
3.3 Partial-Reschedule Scheme 27
第四章 模擬與分析 30
4.1 模擬環境介紹 30
4.2 模擬結果分析 32
第五章 結論與未來研究 45
參考文獻 46
參考文獻 [1] “IEEE P802.16-2009” , IEEE Maintenance Task Group.
[2] “IEEE Std 802.16-2005” , IEEE Computer Society, IEEE Microwave Theory and Techniques Society, IEEE Standard, 28 February 2006.
[3] “Mobile WiMAX – Part 1: A Technical Overview and Performance Evaluation”, “WiMAX Forum™” and "WiMAX Forum CERTIFIED™“, August 2006.
[4] Yang Xiao, “Energy Saving Mechanism in the IEEE 802.16e Wireless MAN”, IEEE COMMUNICATIONS LETTERS, VOL. 9, NO. 7, JULY 2005.
[5] Yan Zhang and Masayuki Fujise, “Energy Management in the IEEE 802.16e MAC”, IEEE COMMUNICATIONS LETTERS, VOL. 10, NO. 4, APRIL 2006
[6] Yan Zhang, Yang Xiao, and Victor C.M. Leung “Energy Management Analysis and Enhancement in the IEEE 802.16e WirelessMAN”, IEEE Transactions on Vehicular Technology, VOL. 58, NO. 7, Sept 2009.
[7] Jun-Bae Seo, Seung-Que Lee, Nam-Hoon Park, Hyong-Woo Lee, and Choong-Ho Cho, “Performance Analysis of Sleep Mode Operation in IEEE802.16e,” IEEE Vehicular Technology Conference, 2004.
[8] Kwanghun Han and Sunghyun Choi, “Performance Analysis of Sleep Mode Operation in IEEE 802.16e Mobile Broadband Wireless Access Systems,” Proc. IEEE VTC’2006-Spring, Melbourne, Australia, May 7-10, 2006.
[9] L. Kong and D.H. Tsang, “Performance Study of Power Saving Classes of Types I and II in IEEE 802.16e,” Proc. 31st IEEE Conf. Local Computer Networks (LCN ’06), pp. 20-27, Nov. 2006.
[10] Shih-Chang Huang, Chien Chen, Rong-Hong Jan, and Cheng-Chung Hsieh, “Energy efficient scheduling with QoS guarantee for IEEE 802.16e broadband wireless access networks,” In proceeding of International Wireless Communications and Mobile Computing Conference (IWCMC 2007), pp. 547-552, August 2007.
[11] Shih-Chang Huang, Chien Chen, Rong-Hong Jan, and Cheng-Chung Hsieh, “An energy-efficient scheduling for multiple MSSSs in IEEE 802.16e broadband wireless networks,” IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Sep. 2008.
[12] J. L. Shi, G. F. Fang, Y. Sun, G. H. Zhou, Z. C. Li, and E. Dutkiewicz, “WLC17-5: Improving mobile station energy efficiency in IEEE 802.16e WMAN by burst scheduling,” in Proc. IEEE GLOBECOM '06, 2006, pp. 1 - 5.
[13] S.-L. Tsao and Y.-L. Chen, “Energy-efficient packet scheduling algorithms for real-time communications in a mobile WiMAX system” Computer Communications, vol. 31, pp. 2350–2359, 2008.
[14] Shun-Ren Yang, Chien-Chi Kao, "An Energy-Efficient Scheduling Algorithm for IEEE 802.16e Broadband Wireless Access Systems," IWCMC 2009.
[15] WiMAX Forum, “WiMAX System Evaluation Methodology V2.1,” July 2008; www.wimaxforum.org/technolo-gy/documents/
指導教授 陳彥文(Yen-Wen Chen) 審核日期 2010-7-25
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