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姓名 林宏泰(Hung-Tai Lin) 查詢紙本館藏 畢業系所 電機工程學系 論文名稱 正交多工正交相位調變在相加性白高斯雜訊通道下之次佳化同調與差分同調之解調
(Sub-optimum Coherent and Differentially Coherent Detections of OMOPM in AWGN)相關論文 檔案 [Endnote RIS 格式]
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摘要(中) 我們在本研究專題中探討一新型的正交多工相位調變信號[1]( Orthogonally-Multiplexed Orthogonal Phase Modulation,簡稱OMOPM )性能。在本報告中,我們探討同調偵測( Coherent detection )及差分同調偵測( Differential Coherent detection ) 的正交相位多工(OMOPM)接收機以最佳化解調[1]( Optimum Demodulation )與次佳化解調( Sub-optimum Demodulation )的性能。我們除了以數學分析的方法探究及比較此二種接收方式的性能外,我們也以電腦模擬的方式驗證數學分析結果的正確性。最後我們得到的結論是:當載波之相位字母大小K或構成元件之載波個數L愈大時,採用次佳化同調的接收性能將愈接近最佳化同調的性能。而且構成元件之載波個數L=1時,其採用次佳化差分同調的接收性能將幾乎和最佳化差分同調的性能相同。 摘要(英) A novel class of coherent Orthogonally Multiplexed Orthogonal Phase Modulation [1](OMOPM) signals is investigated in this project. We present the performance analysis for the coherent and differentially coherent OMOPM sub-optimum receiver. The results of computer simulation are also given to verify the analysis in both cases. We also compare the performance between the optimum [1] and sub-optimum OMOPM receivers. We conclude that the larger alphabet and symbol sizes (i.e. K and L) are, the performance of the receivers employing sub-optimum coherent scheme will get closer to that of the optimum one. When the supersymbol is consisted of 1symbols (i.e. L=1), the performance of the sub-optimum differentially coherent receiver is nearly the same as the optimum differentially coherent receiver. 關鍵字(中) ★ 正交多工正交相位調變
★ 同調偵測
★ 差分同調偵測
★ 最佳化解調
★ 次佳化解調關鍵字(英) ★ Orthogonally Multiplexed Orthogonal Phase Modulati
★ Coherent detection
★ Differential Coherent detection
★ Optimum Demodulation
★ Sub-optimum Demodulation論文目次 第一章 緒論 1
1.1 傳統之正交多工信號格式之簡介………………………..1
1.2 差分偵測之簡介…………………………………………..5
1.3 論文研究動機……………………………………………..6
第二章 系統模型 8
2.1 正交多工正交相位調變信號模型………………………...8
2.2 正交多工正交相位調變信號之時間限制與頻寬限制….12
2.3 正交多工正交相位調變之差分同調結構……………….15
第三章 正交多工正交相位調變之同調解調效 能 17
3.1 正交多工正交相位調變之最佳化同調解調分析………17
3.2 正交多工正交相位調變之次佳化同調偵測之位元錯誤機率分析……………………………………………………19
3.3 正交多工正交相位調變之最佳化同調偵測與次佳化同調偵測之比較……………………………………………….27
3.4 正交多工正交相位調變之次佳化同調偵測之分析與模擬結果………………………………………………………37
第四章 正交多工正交相位調變之次佳化差分同調解調效能 46
4.1 正交多工正交相位調變之最佳化差分同調偵測之位元錯誤機率分析………………………………………………46
4.2 正交多工正交相位調變之次佳化差分同調偵測之位元錯誤機率分析………………………………………………49
4.3 正交多工正交相位調變之最佳化差分同調偵測與次佳化差分同調偵測之比較……………………………………49
4.4 正交多工正交相位調變次佳化差分同調偵測之分析與模擬結果……………………………………………………56
第五章 結論 65
中英對照表 Ⅰ
參考文獻 Ⅲ參考文獻 [1] Char-Dir Chung, “Orthogonally-Multiplexed Orthogonal Phase Modulation,” unpublished notes, National Central University, Chung-Li, Taiwan, ROC, 1999.
[2] Char-Dir Chung, “A New Modulation Class,” An invited talk at the Da-Yeh University, Yuan-Lin, Taiwan, ROC, 1999.
[3] Char-Dir Chung, “A New Modulation Class,” ISCOM’99, Kaohsiung, Taiwan, ROC, pp. 269-273, Nov. 1999.
[4] D. Middleton, An Introduction to Statistical Communication Theory, McGraw-Hill, 1960.
[5] P. J. Lee, “Computation of the Bit Error Rate of Coherent M-ary PSK with Gray Code Bit Mapping ,” IEEE Trans. Commun.., VOL. COM-34, NO. 5, MAY 1986.
[6] J. G. Proakis, Digital Communication, 3rd ed., McGraw-Hill, New York, 1995.
[7] I. Korn, Digital Communication, Van Nostrand Reinhold Company, New York, 1985.
[8] W. C. Lindsey and M. K. Simon, Telecommunication Systems Engineering, Dover Publications, New York, 1991.
[9] A. V. Oppenheim and R. W. Schafer, Discrete-Time Signal Processing, Prentice-Hall, Englewood Cliffs, N. J., 1989.指導教授 鐘嘉德(Char-Dir Chung) 審核日期 2000-6-29 推文 plurk
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