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姓名 陳志龍(Chih-Lung Chen)  查詢紙本館藏   畢業系所 通訊工程學系在職專班
論文名稱 引入MIH於IP多媒體子系統的多層同步換手機制之研究
(A Study of Synchronized Multi-layer Handover Mechanism for MIH assisting IP Multimedia Subsystem)
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摘要(中) 當使用在使用應用服務時,服務品質是一個很大的議題,也是使用者最在乎的,然而隨著無線接取網路的演進,使用者將可以接觸到多樣化的網路環境,因此就有可能會跨越不同型態的網路,而要如何確保使用者在無線網路上執行換手動作時的服務品質是值得去考量的。現今新世代無線網路的多媒體服務研究發展,大多是架構在IP多媒體子系統(IMS)平台上,IMS可以提供具有保障QoS的多媒體服務,故一旦進行換手就要重新建立新的End-to-End QoS,才可以繼續先前的服務,因而等待過久的時間,對於IMS大多都是及時的服務影響很大,因此本論文提出一個如何利用802.21 MIH在跨網域進行換手機制同時結合IMS換手的訊息,建立一套跨網域且跨層的換手機制,以減少使用者在跨網域使用IMS服務時所遇到換手時間延遲,進一步的讓使用者可以感受到跨網域使用多媒體服務的便利性。
摘要(英) QoS of application services is a critical issue when the user is use application service ,But as the wireless network is gradual progress the user can use diversified wireless network ,then it is need to consider that how to guarantee Qos when user handover in different wireless network.Now the multimedia service of the wireless network is studied base on IP multimedia subsystem (IMS), IMS can provide the multimedia service with guarantee QoS then it is big issue when user handover in different wireless network, It needs to delay the authentication and authorization of IMS and keeps resource reservation with QoS, They can just continue the previous service. Therefore they has waited for long time, So we propose an adaptive end-to-end QoS procedure utilizes 802.21 MIH to assisting network handover and combine the information that IMS changes hands at the same time, in order to reduce it is postponed for hand time that the user meets while stepping the different network and using IMS service the further one enables users to experience that step the convenience of using the multimedia service of different network handover.
關鍵字(中) ★ 服務品質
★ 多媒體服務
★ IP多媒體子系統
★ 802.21 MIH
關鍵字(英) ★ Multimedia Services
★ IP Multimedia Subsystem (IMS)
★ 802.21 MIH
★ Quality of Services
論文目次 目錄.................................................................I
表目錄..............................................................IV
圖目錄...............................................................V
第一章 序論..........................................................1
1.1 前言.................................................1
1.2 研究動機及目的.......................................2
1.3 論文架構.............................................3
第二章 相關背景及研究................................................4
2.1 UMTS(Universal Mobile Telecommunications System).....4
2.1.1 UMTS核心網路及主要元件介紹........................7
2.1.2 UMTS QoS介紹.....................................13
2.2 WiMAX(Worldwide Interoperability for Microwave Access)介紹 15
2.2.1 WiMAX網路架構介紹................................17
2.2.2 WiMAX QoS介紹....................................21
2.3 IP多媒體子系統(IP Multimedia Subsystem,IMS)......23
2.3.1 IMS 架構.........................................24
2.3.2 IMS QoS..........................................29
2.3.3 COPS[19].........................................31
2.4 媒介獨立切換機制(MIHF)[12].........................33
2.4.1 媒介獨立事件服務(MIES)...........................35
2.4.2 媒體獨立控制服務(MICS)...........................37
2.4.3 媒體獨立資訊服務(MIIS)...........................37
第三章 相關研究.....................................................40
3.1 UMTS & WiMAX Interworking on 3GPP[14]...............40
3.2 WiMAX and UMTS Handover 程序[14]....................41
3.3 IMS註冊流程[15].....................................46
3.3.1 PDP Context Activation...........................47
3.4 IMS註冊程序.........................................50
3.4.1 IMS中QoS的授權程序...............................51
3.4.2 Token運作程序....................................53
3.5 MIH運作程序[20].....................................53
第四章 改良的網路架構流程與效益分析.................................57
4.1 IMS結合UMTS及WiMAX的Interworking....................58
4.1.1 引入MIH機制於IMS結合UMTS及WiMAX Interworking架構.59
4.2 引入MIH後WiMAX網路................................61
4.3 引入MIH的改良IMS資源保留程序........................66
4.3.改良IMS QoS授權程序第一到第六步驟................67
4.3.2 改良IMS QoS授權程序第八及第九步驟................73
.4 整合說明........................................74
4.5 效益分析............................................75
4.5.Handover的流程及分析參數定義.....................75
4.5.2 不考慮變動參數分析...............................76
4.5.3 加入速度變動參數分析.............................77
4.5.4 加入Frame Duration變動參數分析...................78
4.5.5 加入系統負荷變動參數分析.........................79
第五章 討論與未來研究...............................................82
參考文獻............................................................83
參考文獻 [01] WMAX forum, http://www.wimaxforum.org
[02] Thomas Magedanz,” IP Multimedia System (IMS)-
Principles,Architecture and Applications ,
Fraunhofer FOKUS
[03] WCDMA for UMTS, Radio Access for Third Generation
Mobile Communication, HarriHolma and Antti Toskala,
John Wiley& Sons,Ltd.
[04] UMTS, http://www.umts-forum.org/
[05] UMTS Forum, “Enabling UMTS/Third generation services
and applications,” Technical Report 11,UMTS, 2000.
[06] 3GPP, “3rd generation partnership project;technical
specification group service and systems aspects;
quality of service (QoS) concept and architecture,
Technical Specification 3G TS 23.107,” version
5.7.0, 2002-12, 2002.
[07] Request for Comments: 2748 ,"The COPS (Common Open
Policy Service) Protocol",January 2000
[08] Mobile WiMAX – Part I:A Technical Overview and
Performance Evaluation-August, 2006 WMAX forum
[09] G. Camarillo and M.–A. Garcia-Martin, The 3G IP
Multimedia Subsystems (IMS): Merging the Internet
and the Cellular World, John Wiley & Sons,
[10] 3GPP TR 23.802 V7.0.0,” Architectural enhancements
for end-to-end Quality of Service (QoS)”P.63
[11] 3GPP TS 29.207,Policy control over Go interface
[12] IEEE P802.21/D09.00 “Draft Standard for Local and
Metropolitan Area Networks : Media Independent
Handover Services“,February 2008
[13] 3GPP,”3GPP system to Wireless Local Area Network
(WLAN) interworking; System description”, TS 23.234
v6.4.0 March 2005.
[14] IEEE 2006-An Architecture for UMTS-WIMAX
Interworking.pdf
[15] Gonzalo Camarillo,Miguel A. Garcia-Martin,“The 3G IP
Multimedia Subsystem(IMS):Merging the Internet and
the Cellular Worlds”, February 2006.
[16] Jae-Han Seol,Jong-Moon Chung “IEEE 802.21 MIH based
Handover for Next Generation Mobile Communication
Systems”, 2008 IEEE,pp. 431 - 435
[17] John Williams Floroiu,Marius Corici,Byoung-Joon
Lee,Suwon Lee, “A Vertical Handover Architecture
for End-to-End Service Optimization”, ISTMWC, January
31,2007, pp.1-5
[18] IEEE Standard for Local and metropolitan area
networks—Part 21: Media Independent Handover Services
[19] RFC2748: http://www.javvin.com/protocol/rfc2748.pdf
[20] IEEE Standard for Local and metropolitan area
networks—Part 21: Media Independent Handover
指導教授 吳中實 審核日期 2009-7-22
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