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研究生:廖碧玲
研究生(外文):Bi-ling Liao
論文名稱:於異質性網路使用SIP實作應用層無縫交遞之多媒體服務
論文名稱(外文):Application-Layer Handover for Seamless Multimedia Service using SIP in Heterogeneous Networks
指導教授:黃悅民黃悅民引用關係
指導教授(外文):Yueh-Min Huang
學位類別:碩士
校院名稱:國立成功大學
系所名稱:工程科學系碩博士班
學門:工程學門
學類:綜合工程學類
論文種類:學術論文
論文出版年:2009
畢業學年度:97
語文別:中文
論文頁數:49
中文關鍵詞:異質性網路無縫交遞
外文關鍵詞:SIPHandoverSeamless Multimedia
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無線網路技術已蓬勃發展,如WiFi、WiMAX、HSDPA等,其頻寬、網路涵蓋範圍及價格都不盡相同,隨著這些網路技術的發展與普及,現今市面上如筆記型電腦、智慧型手機等可攜式裝置,大多開始具備多種網路存取介面,以提供使用者多樣化選擇。然而使用者在異質性網路中使用網路多媒體服務時,常常因使用者移動而導致服務連線品質不佳甚至中斷,使用者必須手動選取另一個網路介面重新連線以期再度使用網路多媒體服務,這對使用者來說是相當不方便的問題,故無縫多媒體服務的需求油然而生。
本篇論文即是針對此問題,提出在網路應用層上以SIP訊息為輔助,實作異質性網路之間的交遞(handover),並使用多重介面接收多媒體串流,讓交遞過程更為平順。因系統架構是實作在應用層上,無需更改現今網路硬體架構,故在成本上相對降低許多,且更容易移植至其他作業平台。
The wireless network technology has already developed multiplicity now, for example WiFi, WiMAX, HSDPA,etc. They have different bandwidth , coverage rate of the network and payment. With the development and popularization of these network technologies, portable devices have multiple network interface on the market now, such as computer, intelligent cell-phone,etc. This can supply users multiple choice.
But when using the network multimedia service in the heterogeneous network ,the mobility of the user often results in bad quality of service and even the shutdown of service suddenly . Then the user must choose another network interface to link in the hope of using the network multimedia service once again. It is a quite inconvenient for the user. So the request of seamless multimedia service has showed up.
This paper is directed against this question to implement handover on application layer using SIP in the heterogeneous network . The structure uses multiple interface to receive multimedia stream for the smooth of handover. Because the systematic structure is done on application layer, so it do’t need to alter the hardware device of the network now. So it reduces relatively on the cost, and is easier to transplant to other operation platform.
第一章、序論................................................................................................................1
1.1、研究動機與目的...........................................................................................1
1.2、研究步驟.......................................................................................................2
1.3、章節介紹.......................................................................................................2
第二章 背景知識..........................................................................................................4
2.1、SIP簡介.........................................................................................................4
2.1.1、SIP元件介紹......................................................................................5
2.1.2、SIP 控制訊息....................................................................................8
2.1.3、SIP會談建立、終止........................................................................14
2.1.4、SIP之REFER、NOTIFY方法.........................................................16
2.2、SDP簡介.....................................................................................................17
2.3、SIP即時傳訊服務.......................................................................................19
2.4、SIP註冊機制...............................................................................................20
2.5、SIP穿越NAT方法.......................................................................................22
2.5.1、NAT類型..........................................................................................23
2.5.2、NAT所造成的問題..........................................................................24
2.5.3、STUN、TURN與ICE方法..............................................................25
第三章、交遞相關研究..............................................................................................27
3.1、預測交遞(Proactive Handover)..................................................................27
3.2、訊息緩衝儲存(Message Caching)..............................................................30
3.3、同時接收兩個串流.....................................................................................31
第四章、系統架構與實作..........................................................................................33
4.1、系統環境.....................................................................................................33
4.2、系統架構.....................................................................................................34
4.2.1、Client Device...................................................................................35
4.2.2、SIP Server........................................................................................37
4.2.3、Multimedia Server...........................................................................37
4.3、Handover Procedure....................................................................................37
4.4、系統實作結果.............................................................................................40
第五章、結論與未來展望..........................................................................................47
參考文獻及資料..........................................................................................................48
[1] Csaba A. Szabo, Sandor Szabo, Laszlo Bokor, ” Design Considerations of a Novel Media Streaming Architecture for Heterogeneous Access Environment”, International Workshop on Broadband Wireless Access for ubiquitous Networking, September 20, 2006.
[2] Elin Sundby Boysen, Hkon Eyde Kjuus, Torleiv Maseng, “Proactive Handover in Heterogeneous Networks using SIPs”, 2008 IEEE DOI 10.1109/ICN.2008.111.
[3] Yu-Chin Wang, Hsiang-Fu Lo, Ya-Chun Li, Wei-Tsong Lee” Seamless Handover with Buffer Prediction for Wireless Networks Based on IEEE 802.21”,
[4] Jong-Min Lee, Myung-Ju Yu, Seong-Gon Choi and Bo-Seok Seo, “Proxy-based Multimedia Signaling Scheme Using RTSP for Seamless Service Mobility in Home Network”, 2008 IEEE
[5] Toru Yokoyama, Muneaki Yamaguchi, and Kazuo Aisaka, “Application-Layer Seamless Handover for Real-time Communication Service”, 2006 IEEE
[6] Henry Sinnreich, Alan B. Johnston, “Internet Communications Using SIP”
[7] Rogelio Martinez,”Internet Multimedia Communications Using SIP”
[8]Yen-Wen Lin, Bo-Yau Chang, Da-Ho Huang,” A Smooth Handoff Protocol for Heterogeneous Wireless Networks”
[9] Adrian Popescu,Dragos Ilie,David Erman,Markus Fiedler,Alexandru Popescu,Karel de Vogeleer,” An Application Layer Architecture for Seamless
Roaming”, 2009 IEEE
[10] Jinho Kim, Jongpil Jeong, Hyunseung Choo,” An Efficient Handover Scheme with Pre-Configured Tunneling in IEEE 802.16e Systems”, 2007 IEEE
[11] Yousun Hwang, Aesoon Park,” Vertical Handover Platform over Applying the Open API for WLAN and 3G LTE Systems”, 2008 IEEE.
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[12] Takeshi Takahashi, Koichi Asataniz, Hideyoshi Tominaga,” Multicast Source Handover Scheme based on Proxy Router Discovery”, 2005 IEEE
[13] Mohammed Smadi, Vahid Azhari and Terence D. Todd,” A Measurement-Based Study of WLAN to Cellular Handover”, 2006 IEEE
[14]賈文康,”SIP會談啟始協議操典”
[15]陳冠中,”以SIP為基礎之階層式細微化位置資訊整合系統”,國立成功大學工程科學研究所碩士論文,June 2002
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