基於ns-2網路模擬器之IEEE 802.16j無線寬頻都會網路中繼器模組之開發

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姓名

連韋荏(Wei-jen Lien) 查詢紙本館藏

畢業系所

通訊工程學系

論文名稱

基於ns-2網路模擬器之IEEE 802.16j無線寬頻都會網路中繼器模組之開發
(The Design and Implementation of IEEE 802.16j Relay Module for ns-2 Network Simulator)

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摘要(中)

隨著無線通信技術的蓬勃發展，人們日漸習慣無所不在的寬頻存取，無線寬頻服務正逐漸實現。無線寬頻接取技術已被視為提供高速、無線與行動多媒體的解決方案。近幾年來，學界與業界相繼貢獻各式各樣的技術來增進網路效能。在這些技術中，其中以中繼技術最為重要。
中繼技術利用中繼站當作基地台與使用者間的中間節點，進行封包的解碼與轉送。因此中繼技術能提升訊號的訊雜比(signal-to-noise ratio, SNR)，降低封包的位元錯誤率(Bit-Error Rate, BER)。這將有助於延伸基地台的覆蓋範圍與提升使用者的傳送速率。有鑑於此優勢，IEEE標準委員會於2006年五月成立了IEEE 802.16j Relay工作群組，其負責由既有的IEEE 802.16-2004與IEEE 802.16e-2005標準為基礎，發展適合IEEE 802.16的中繼多點跳躍規範。
本篇論文根據IEEE 802.16j/D6a規格，並以WiMAX Forum應用架構工作群組 (Application Architecture Task Group, AATG) 所開發的WiMAX Network Simulator 2.5版為基礎，設計與實作三個二跳躍式(two-hop)中繼器模組：1) 資料叢(burst)傳送法穿透式中繼模組、2) CID資料傳送法穿透式中繼模組與3) CID資料傳送法非穿透式中繼模組，於ns-2網路模擬器上。所有模擬結果皆與IEEE 802.16e進行比較，本篇論文的結果將有助於評估IEEE 802.16無線寬頻都會網路使用中繼多點跳躍架構的優勢與缺點。

摘要(英)

People have gradually familiar with using wireless network due to the fast growing wireless communication technologies. Broadband wireless access (BWA) technologies are developed for supporting fast, wireless, and ubiquitous mobile multimedia usages. Many enhanced technologies of wireless networks have been investigated and contributed by academic and industry over past decades. Among these new invented technologies, relay is the most important technology.
Relay technology uses a relay station as an intermediate node between base station and user equipment. The relay station receives the packets and then decodes-and-forwards them. Hence, relay technology is able to increase the signal-to-noise ratio (SNR) of signal and decrease the bit-error rate (BER) of packet, it can also enhance the coverage ratio of the service area, or increase the transmission data rate. In the May of 2006, the IEEE 802.16j Task Group was officially established by IEEE Standards Association, which attempts to amend current IEEE 802.16-2004 and IEEE 802.16e-2005 standard in order to support multi-hop relay (MR) operations in the IEEE 802.16 network.
In this thesis, we design and develop three two-hop relay modules: 1) Burst-based transparent module, 2) CID-based transparent module, 3) CID-based non-transparent module within Network Simulator 2 (NS-2) simulator. The design and implementation of these modules are based on the IEEE 802.16j/D6a draft (29 Jul. 2008) and WiMAX Forum Application Architecture Task Group (AATG) WiMAX Network Simulator version 2.5. All the simulation results are compared with IEEE 802.16e system. Therefore, the results can be used to evaluate not only the benefits but also the drawbacks of using the MR architecture in IEEE 802.16 network.

關鍵字(中)

★ simulator
★ WiMAX
★ ns-2
★ multi-hop relay
★ IEEE 802.16j

關鍵字(英)

★ WiMAX
★ simulator
★ ns-2
★ multi-hop relay
★ IEEE 802.16j

論文目次

摘要 ......................................................................................................... I
Abstract....................................................................................................... II
Contents....................................................................................................... IV
List of Figures................................................................................................ VI
List of Tables ................................................................................................ VII
1. Introduction................................................................................................ 1
2. An Overview of IEEE 802.16j Architecture.................................................................... 4
2.1. Two Types of RSs ......................................................................................... 5
2.2. Frame Structure .......................................................................................... 6
2.3. Scheduling ............................................................................................... 7
2.4. Data Forwarding and Routing .............................................................................. 9
2.5. Service Flow and Path Management ......................................................................... 10
3. The IEEE 802.16j ns-2 Module ............................................................................... 12
3.1. Frame Structure .......................................................................................... 12
3.2. Network Entry Process .................................................................................... 15
3.3. Scheduling ............................................................................................... 19
3.4. Path Management, Routing and Data Forwarding ............................................................. 22
3.5. Bandwidth Request ........................................................................................ 27
4. Simulation Models and Results .............................................................................. 30
5. Conclusions................................................................................................. 38
References .................................................................................................... 39

參考文獻

[1] OPNET, 2009. Online: http://www.opnet.com/WiMAX/index.html.
[2] QualNet, 2009. Online: http://www.scalable-networks.com.
[3] Matlab, 2009. Online: http://www.mathworks.com.
[4] The Network Simulator–ns-2, January 2009. http://www.isi.edu/nsnam/ns/
[5] J. Chen et al., “Design and Implementation of WiMAX Module for ns-2 Simulator,” in Proc. ACM VALUETOOLS 2006, vol. 202, article 5, Pisa, Italy, October 10, 2006.
[6] R. Rouil, The Network Simulator ns-2 NIST add-on for IEEE 802.16 model (MAC+PHY), Technical report, National Institute of Standards and Technology, June 2007.
[7] AWG, The WiMAX Forum System Level Simulator NS-2 MAC+PHY Add-On for WiMAX (IEEE 802.16), Technical Report, WiMAX forum, July 2008.
[8] A. Belghith and L. Nuaymi, “Design and Implementation of a QoS-included WiMAX Module for ns-2 Simulator,” in Proc. ACM SIMUTools’09, March 2008.
[9] DOCSIS (Data Over Cable System Interface Specification) Research Project, July 2005. Online: http://www.cs.clemson.edu/ jmarty/docsis.html.
[10] J.F. Borin and N.L.S. Fonseca, “Simulator for WiMAX Networks,” Simulation Modelling Practice and Theory, vol. 16, no. 7, pp. 817–833, August 2008.
[11] Jahanzeb Farooq and Thierry Turletti, “An IEEE 802.16 WiMAX Module for the NS-3 Simulator,” in Proc. ACM Int’lConf. Simulation Tools and Techniques (SIMUTools’09), Rome, Italy, March 2009.
[12] IEEE Std 802.16e-2005 Part 16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems. Feb. 2006.
[13] Draft Standard for Local and Metropolitan Area Networks–Part 16: Air Interface for Broadband Wireless Access Systems, IEEE Standard P802.16Rev2/D5, June 2008.
[14] Draft Amendment to IEEE Standard for Local and Metropolitan Area Networks, Part 16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems - Multihop Relay Specification, IEEE Unapproved Draft Std P802.16j/D7, Oct. 2008.

指導教授

許獻聰(Shiann-tsong Sheu)

審核日期

2009-7-24

推文