臺灣博碩士論文加值系統

個人通訊系統未來將提供整合語音及數據資料傳送之多媒體服務。而對於媒體擷取控制技術而言，分碼多工擷取（Code Division Multiple Access, CDMA）技術在近年已被視為第三代行動通訊技術主流。在有限資源的條件下，如何去滿足不同的服務品質要求，是CDMA無線通訊系統的一大課題。
在本篇論文中，將針對CDMA系統特性並依據語音及數據資料本身的特質，利用優先權控制、通道分配及保留等，來探討語音及數據資料在整合時的效能，並藉由Markov chain來分析。另外，對於一些影響效能的系統參數也予以討論，並以軟體模擬來印證數學分析結果。

The future Personal Communication Network will provide integrated multi-medium service which includes data and voice packet transmission. As regards medium access control (MAC), Code Division Multiple Access (CDMA) technology has been widely recognized as the most important technique for 3G mobile communication system. However, under the limited resource environment, how to meet the Quality-of-Service (QoS)equirements of different traffic will be a great challenge.
In this thesis, we propose the priority control, code assignment and reservation schemes to provide the multi-medium service for CDMA mobile communication systems according to different characteristics of voice and data traffic. We analyze the performance of different services by Markov chain model. Besides, the effects of important system parameters are investigated and the analytic results are verified by simulation.

1. Introduction
1.1 Introduction
1.2 Outline
2. System Description
2.1 CDMA System Architceture
2.2 Protocol for Voice and Data Integration
2.2.1 Voice Subsystem
2.2.2 Data Subsystem
2.2.3 Dynamic Contention Control
3. Voice Subsystem
3.1 Voice Model
3.2 Markov Chain Model Analysis
3.3 Performance Measures
4. Data Subsystem
4.1 Data Model
4.2 Markov Chain Analysis
4.3 Performance Measures
5. Numerical Analysis and Dynamic Contention Control
5.1 Voice Subsystem
5.2 Data Subsystem
5.3 Selection of Design Parameter
5.3.1 Dynamic Control
5.3.2 Simulation Result
6. Conclusion

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