在實際環境下實作及檢驗CR-MAC的相關通訊協定

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姓名

呂兆威(Chao-wei Lu) 查詢紙本館藏

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資訊工程學系

論文名稱

在實際環境下實作及檢驗CR-MAC的相關通訊協定
(Implementation and verification of CR-MAC protocals in realistic scenario)

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摘要(中)

媒體存取控制層(MAC)在感知網路中協定扮演一個相當重要的角色。儘管他在理論上面充分的被討論，但是實際應用在機器之上的論文仍然是少數。而那些實作類型的論文，也充分的將那些之前研究的感知網路理論應用在不同的場景。在我們的眼就當中，我們提出一個捨棄許多多餘機制的輕量型且適用於許多存取頻譜演算法的實作型論文。在這些頻譜演算法當中，我們除了可以實作同步以及非同步的跳頻演算法之外，我們也可以實作叢集型頻譜存取演算法。而這些演算法我們將利用GNU Radio和USRP的平台去實作。在實作當中，我們會針對實驗數據進行分析和探討，而這些將成為以後設計頻譜存取演算法的考量。而這樣子的實驗我們將在802.11的環境下進行。

摘要(英)

Medium Access Control (MAC) protocol play a vital role in cognitive radio (CR). It is well-known that implementation of CR MAC is rare in this issue. There has been some papers which are implement CR MAC with different testbed and test it in different scenario. In our work, we propose a lightweight MAC protocol without complexity mechanism and it can verify various spectrum access algorithm which contains channel hopping algorithm or clustering algorithm in synchronous or not. With implementing on GNU Radio and Universal Software Radio Peripheral (USRP) platform, we discuss various design considerations and challenges of our MAC in experiment. Our experimental results presents the performance of each spectrum access algorithm which is running under PU which is run in 802.11 protocol.

關鍵字(中)

★ 非同步架構
★ 感知無線電
★ 無線跳頻技術
★ 可用頻道集合
★ 媒體存取控制層

關鍵字(英)

★ USRP
★ Ad Hoc Networks
★ MAC
★ Cognitive Radio
★ Channel Hopping

論文目次

Contents vii
Chapter 1 Introduction 1
Chapter 2 Related work 4
Chapter 3 Testbed system overview 8
3.1 Overview of our MAC 8
3.2 Software and Hardware Platforms 9
Chapter 4 Testbed implementation description 11
4.1 Network Protocol Architecture 11
4.2 Transmission and Receiving Path 11
4.3 Synchronization for Distributed Delay Measurement 12
Chapter 5 Transmission policy 14
5.1 Two antenna 15
5.2 One antenna 17
Chapter 6 Experiment 18
6.1 Evaluation Setup 19
6.2 Procedure 21
6.3 Evaluation of the Algorithm 24
Chapter 7 Conclusion 29
References 30
Appendix A Program description 33

參考文獻

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指導教授

張貴雲(Guey-yun Chang)

審核日期

2012-8-15

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