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研究生:陳韋仁
研究生(外文):Wei-Ren Chen
論文名稱:以使用者導向互動式網路電視服務之可調式無線通訊資源管理於WiMAX網路
論文名稱(外文):Adaptive Radio Resource Management for User Centric Interactive IPTV services in Mobile WiMAX Networks
指導教授:黃依賢黃依賢引用關係
指導教授(外文):I-Shyan Hwang
學位類別:碩士
校院名稱:元智大學
系所名稱:資訊工程學系
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2009
畢業學年度:97
語文別:英文
論文頁數:41
中文關鍵詞:移動式全球微波存取互通允許控制機制網路電視資源保留機制
外文關鍵詞:WiMAXinteractive IPTVCall Admission ControlQoSAdaptive Radio Resource Management
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  • 收藏至我的研究室書目清單書目收藏:1
近年來,網路電視成為愈來愈熱門的技術,其中包含了隨選視訊(video on demand)及直播電視(live TV),而互動式網路電視(interactive IPTV)提供了雙向式的服務,不管是網路電視中的購物、視訊會議、互動式電視節目…等等。而由於互動式網路電視對於多媒體頻寬需求較大,故在無線網路中必須對頻寬分配提供更好的管控。 在移動式全球微波存取互通 (mobile WiMAX) 擁有群播(multicast)的特性,此種特性會直接的影響系統資源利用率,相對的也會影響到Call Blocking Probability (CBP) 與Call Dropping Probability (CDP)。因此,對於在互動式網路電視的無線環境中,有效地資源管理以及允許控制機制 (Call Admission Control)等策略,必須考慮群播(multicast)及雙向連結(bidirectional connection)的特性。在此篇論文中,考慮互動式網路電視的特性設計出使用者導向之可調式無線資源管理機制(DRRM)及允許控制機制來達到充份的資源利用及服務品質等級(QoS)的保證。最後模擬的結果展示出,所提出的方法可以有效降低CDP並保證使用者的服務品質。
Internet Protocol Television (IPTV) can be considered as a user centric service in the sense that the choice of the programs to watch depends essentially on the user and not on the IPTV service provider. IPTV will support user feedback and personal content delivery which allow the users to make use of other service enablers within an IPTV session like video conference, E-shopping, etc. Indeed, the interactive IPTV service uses bidirectional signal to handle viewer requests to access different services. Hence, this paper will propose a novel radio resource management considering interactive IPTV services includes call admission policy and dynamic resource reservation management (DRRM) in mobile WiMAX networks. The objective of this paper has two particular characteristics: 1) the call admission policy provides QoS guarantees to allow real-time connection services especially considering interactive IPTV services; 2) two multi-guard band schemes are designed within DRRM in order to adjust the thresholds adaptively based on the network status, and focus on admission control of connections to improve the call dropping probabilities and utilize the resource more efficiently considering interactive IPTV services in the mobile WiMAX environment.
書頁名 I
授 權 書 II
審 定 書 III
摘 要 IV
ABSTRACT V
誌 謝 VI
1. Introduction 1
2. Related Works 5
2-1. IPTV over WiMAX 6
2-2. Radio Resource Management (RRM) 7
3. Proposed method 10
3-1. System Model 10
3-2. Call Admission Policy 12
3-3. Dynamic Resource Reservation Management (DRRM) 21
3.3.1. Applying event-driven methodology in DRRM 21
3.3.2. Multi-Guard band Scheme 24
3.3.3. Decreasing Threshold Adaptation of DRRM 28
4. Performance Evaluation and Numerical Results 29
4-1. DRRM with different UGS traffic arrival rate 31
4-2. DRRM with different MCAST traffic arrival rate 35
5. Conclusion 38
References 39
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