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中華大學 93 學年度 重點研究與教學計畫成果報告

中華大學 93 學年度 重點研究與教學計畫成果報告. 計畫名稱:寬頻無線區域網路之研究(二) 計畫編號: CHU 93 TR-003 主持人:電機系 李柏坤教授 共同主持人:鍾英漢、田慶誠、黃啟光、 辛錫進、陳棟洲教授. 報告內容. 整合計畫說明 計畫摘要 計畫結構 各子計畫成果 結論. 整合計畫說明:計畫摘要. 尖端無線通訊的學術研究 OFDM 的高速數據傳輸無線區域網路 實體電路架構規劃 軟硬體電路的實現 整合系統電路完成 本計畫為規劃三年計畫的第二年.

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中華大學 93 學年度 重點研究與教學計畫成果報告

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  1. 中華大學93學年度重點研究與教學計畫成果報告中華大學93學年度重點研究與教學計畫成果報告 計畫名稱:寬頻無線區域網路之研究(二) 計畫編號:CHU 93 TR-003 主持人:電機系 李柏坤教授 共同主持人:鍾英漢、田慶誠、黃啟光、 辛錫進、陳棟洲教授

  2. 報告內容 • 整合計畫說明 • 計畫摘要 • 計畫結構 • 各子計畫成果 • 結論

  3. 整合計畫說明:計畫摘要 • 尖端無線通訊的學術研究 • OFDM的高速數據傳輸無線區域網路 • 實體電路架構規劃 • 軟硬體電路的實現 • 整合系統電路完成 • 本計畫為規劃三年計畫的第二年

  4. 整合計畫說明:計畫架構

  5. 2 陳 3 辛 6 田 1,5 鍾,李 System controller & MAC 6田 3辛 2 陳 4 黃 圖一、整合計劃之結構

  6. 各子計畫成果-子計畫一寬頻無線區域網路系統架構及介質擷取控制器之研究各子計畫成果-子計畫一寬頻無線區域網路系統架構及介質擷取控制器之研究 • 研究重點 • 無線區域網路收發機內物理層的基頻電路及介質擷取控制層的控制器部分 • 相關學術的研究 • 相關技術的創新與開發

  7. Transmit MAC PHY Tx DMA controller Tx BUFFER Tx FIFO CAM CRC Generator PCI BUS CRC checker Rx DMA controller Rx BUFFER Rx FIFO CAM Receive MAC WLAN 802.11A MAC ARCHITECTURE

  8. 研究成果 [1] In-Hang Chung and Lesley Tsz-Hsuan Chao, “Traffic Regulation via Projection under the Min-plus Algebra,” Chung Hua J. Science and Engineering, vol. 2, pp. 87-95, Dec. 2004. [2] In-Hang Chung and Ming-Ching Yen, “Use of Diverse Delayed Correlation for an ML Carrier Frequency Offset Estimator in OFDM-Based IEEE 802.11a WLANs,” in Proc. IEEE ICC’2005, Seoul Korea. (EI) [3] In-Hang Chung and Ming-Ching Yen, “On the Performance of Carrier Frequency Offset Estimation Algorithms Using an Maximum Likelihood Method with Delayed Correlation for OFDM-Based IEEE 802.11a WLANs,” submitted to IEEE Trans. Veh. Technol. [4] In-Hang Chung and Ming-Ching Yen, “A Maximum Likelihood Method with Two-Branch Delayed Correlation for the Carrier Frequency Offset Estimation of OFDM-Based IEEE 802.11a WLANs,” submitted to IEEE Trans. Commun. [5] In-Hang Chung and Ming-Ching Yen, “Using Block Estimation in the Residual Carrier Frequency Offset Correction for IEEE 802.11a WLAN,” to be submitted to IEEE Commun. Lett. [6] In-Hang Chung, “An Exact Performance Analysis of Framed-Aloha with Multiple Transmissions in Fading Channels” to be submitted to IEEE Trans. Wireless Commun. [7]In-Hang Chung, “The effects of multiple transmissions, capture, and frequency hopping on the performance of Framed-Aloha, ” to be submitted to IEEE Trans. Commun.

  9. 各子計畫成果-子計畫二寬頻無線區域網路之編碼器研究各子計畫成果-子計畫二寬頻無線區域網路之編碼器研究 • 研究重點 • 對基頻模組中之FEC解碼器的研究及硬體實現 • 高運算速度 • 低電路複雜度 • 低功率消耗 • 適用於未來之WLAN晶片

  10. 具體成果 • 提出一適用於適應性BICOFDM系統之QAM調變軟式解對映演算法則 • 提出一通用型Viterbi解碼器架構 • 通訊系統基頻電路整合測試環境之建立 • IEEE 802.11a基頻傳收系統Simulink模擬環境之建構 • IEEE 802.11a系統效能GUI模擬介面之建構

  11. 通訊系統基頻電路整合測試環境

  12. 通訊系統基頻電路整合測試環境

  13. 研究成果 • Tung-Chou Chen, Ming-Hua Chang, and Leon-Chung Chou, “Hardware Implementation of Viterbi Decoder for WLAN 802.11a”, Journal of CHIN-MIN College, Vol.10, pp. 1-12, August 2004. • Tung-Chou Chen and Yi-Feng Wang, “A General Architecture of Viterbi decoder for Adaptive Bit Interleaved Coded OFDM Systems ”, 2005 Conference on Microelectronics Technology and Applications (2005C’META), Kaohsiung, Taiwan, May 20, 2005. • 『無線通訊系統模擬』 課程教材

  14. 各子計畫成果-子計畫三寬頻無線區域網路之正交分頻多工器研究各子計畫成果-子計畫三寬頻無線區域網路之正交分頻多工器研究 • 研究重點 • 設計OFDM系統的 FFT/IFFT 處理器 • 改良 CORDIC 演算法與FPGA可程式化電路設計的彈性結合 • 設計一個具有可適性、高度平行架構的 FFT/IFFT 處理器

  15. FPGA Implementation of S-R IFFT/FFT

  16. 研究成果 • 本年度已發表之論文 Hsi-Chin Hsin, “Adaptive Modulated Wavelet Subband Image Coding,” Pattern Recognition Letters, 26/6, pp. 809-818, May, 2005 (SCI). Hsi-Chin Hsin and Ching-Chung Li, “Wavelet-based Kalman Filtering in Scale Space for Image Fusion,” Handbook of Pattern Recognition and Computer Vision, 3rd Edition, Chapter 3.7, pp. 325-345, 2005. • 審查中之論文 C.-K. Su, Hsi-Chin Hsin and S.-F. Lin, “Wavelet Tree Classification and Hybrid Coding for Image Compression,” IEEE Proc., in review (SCI). • 相關教材製作: OFDM-Wireless Communication, Matlab Simulation Packet

  17. 各子計畫成果-子計畫四寬頻無線區域網路之同步與等化器設計技術研究各子計畫成果-子計畫四寬頻無線區域網路之同步與等化器設計技術研究 • 研究重點 • OFDM寬頻無線區域網路同步技術研究 • 等化器設計 • 訊號偵測

  18. MC-CDMA RECEIVER • A Novel Channel Estimation Method for Multicarrier CDMA Systems over Multipath Rapidly Rayleigh Fading Channel under Colored Noise

  19. MC-CDMA RECEIVER • Robust MC-CDMA Channel Estimation for the User with Time-Varying Velocity over Rapidly Rayleigh Fading Channel

  20. 研究成果 • Bor-Sen Chen, Chi-Kuang Hwang, Chung-Hsien Hsieh and Ting-Chieh Wu, “Robust MC-CDMA Channel Estimation for the User with Time-Varying Velocity over Rapidly Rayleigh Fading Channel” IEEE Transaction on Signal Processing (SCI) (under revision). • Bor-Sen Chen, Chi-Kuang Hwang, and Jyh-sheng Yang, “Robust Adaptive Equalization for OFDM Systems with Time-Varying Channels”, IEEE Transactions on Wireless Communications (SCI) (submitted) • Bor-Sen Chen, Chi-Kuang Hwang, Huo-Wen Chen and Ting-Chieh Wu, “A Single-User Detector for DS/CDMA Systems via A Two-Path Interference Filter,” IEEE Transaction on Signal Processing (SCI) (submitted) • Bor-Sen Chen, Chi-Kuang Hwang and Chung-Hsien Hsieh, “A Novel Channel Estimation Method for Multicarrier CDMA Systems over Multipath Rapidly Rayleigh Fading Channel under Colored Noise” IEEE Transactions on Wireless Communications. (SCI) (submitted) • Bor-Sen Chen, Chi-Kuang Hwang, Jyh-sheng Yang and Ting-Chieh Wu, “Single User Detection of CDMA Systems via a Robust Decision Feedback Based on an Interference MAX Model,” IEEE Transactions on Wireless Communications. (SCI) (submitted)

  21. 各子計畫成果-子計畫五寬頻無線區域網路之功率控制與動態頻道選擇研究各子計畫成果-子計畫五寬頻無線區域網路之功率控制與動態頻道選擇研究 • 研究重點 • 2003年所提出之IEEE 802.11h附加標準 • 暫態功率控制(Transient Power Control) • 動態頻道選擇(Dynamic Channel Selection) • 設計閉迴路之功率控制 • 建立Smith Predictor以克服迴路延遲所造成穩定度問題。 • 建立韌性控制的功率控制,達到極小化接收SIR之變異量。

  22. 功率控制迴路 • Decentralized Scheme • The Information of Channel Gain is not Necessary.

  23. 研究成果 • 已發表論文: • Bore-Kuen Lee, Huo-Wen Chen, and Bor-Sen Chen, “Power control of cellular radio systems via robust smith prediction filter,” IEEE Trans. Wireless Communications, Vol. 3, pp. 1822-1831, Sep. 2004. (SCI, EI) . • Bor-Sen Chen, Bore-Kuen Lee, and Sheng-Kai Chen,“Adaptive Power Control of Cellular CDMA Systems via Optimal Predictive Model,” to appear in IEEE Trans. Wireless Comm. as a Full Paper, 2004. (SCI, EI) • Bore-Kuen Lee, Yuan-Ho Chen, and Bor-Sen Chen, “Robust H∞ power control for CDMA cellular communication systems,” Under revision forIEEE Trans. Signal Processing, 2005. • Bor-Sen Chen, Bore-Kuen Lee, and Sheng-Kai Chen, “Adaptive Power Control of DS-CDMA Cellular Communication Systems via Fuzzy Optimal Predictive Method,” Full Paper submitted to IEEE Trans. Communications, 2004.

  24. 各子計畫成果-子計畫六寬頻無線區域網路射頻傳收器研究各子計畫成果-子計畫六寬頻無線區域網路射頻傳收器研究 • 研究重點 • 完成Direct Conversion Transceiver系統規劃工作 • 完成射頻傳收器硬體 • 克服的問題 • DC-offset • Noise • Nonlinearity • I-Q Mismatch • Adjacent Channel Rejection • Carrier Frequency Offset

  25. CMOS 160Msps DAC 10MHz CMOS Gm-C Filter

  26. 專利與產學合作 • 專利 • 薄膜體聲波共振子濾波裝置及使用該裝置之雙工器,中華民國198451,邢泰剛,戴建雄,田慶誠,李耀東 • 無膠層可壓合基材製作之單層銅箔雙面可接通架構軟性電路板及應用於晶片在該軟性電路板構裝之架構,中華民國公告518915,林崑津,黃啟光,田慶誠,蘇國富,卓志恆 • 細間距電路板之開路及短路測試,中華民國公告 583401,田慶誠,黃啟光,林崑津,蘇國富,卓志恆 • 產學合作 • 94年度小產學計畫(園區其樂達科技) DVD RF Front-end CMOS Gm-C Equalizer Design, 計畫金額500,000元 • 94年度產學計畫(台達電子) Wireless SAW Sensor System Design,計畫金額600,000元

  27. 結論 (I) • 研究 • 論文發表 • 已接受SCI論文:3篇 • 修正中SCI論文:2篇 • 已投稿SCI論文:8篇 • 已接受EI論文:2篇 • 其他已接受論文:2篇 • 國際研討會論文:9篇 • 國內研討會論文:1篇 • 專利與產學合作 • 3篇專利 • 2個產學合作計畫

  28. 結論 (II) • 教學 • 無線通訊學程 • 無線通訊實驗 • 產學合作 • Wireless LAN 產業 • IEEE 802.16 Wireless MAN

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