直接序列展頻系統利用平行干擾消除與編碼技術在M-ary正交調變下之干擾分析與模擬

簡易檢索 / 詳目顯示

回結果列表

研究生：	周煌奇 Huang-Chi Zhou
論文名稱：	直接序列展頻系統利用平行干擾消除與編碼技術在M-ary正交調變下之干擾分析與模擬 Performance Analysis and Simulation Using Parallel Interference Cancellation and Coding Technique in DS-CDMA system with M-ary Orthogonal Modulation
指導教授：	蔡木金 Mu-King Tsay
口試委員:
學位類別：	碩士 Master
系所名稱：	資訊電機學院 - 電機工程學系 Department of Electrical Engineering
畢業學年度：	89
語文別：	中文
論文頁數：	86
中文關鍵詞：	M-ary正交調變、平行干擾消除、編碼
外文關鍵詞：	CDMA, M-ary Orthogonal Modulation, PIC, Coding
相關次數：	點閱：16 下載：0
分享至:	分享至facebook 分享至twitter

查詢本校圖書館目錄查詢臺灣博碩士論文知識加值系統勘誤回報

本篇論文因此分析使用M-ary 正交調變的DS-CDMA系統效能，並且使用四種的PIC的接收技術去消除MAI的干擾影響，此外還利用三種的編碼方式增加系統效能，以及使用RAKE接收架構與Channel Estimation抵抗多路徑通道的衰落的效應。
論文中的模擬結果顯示，使用了以上所述的技術後，可以得到較好的效能結果。

This thesis analyzes the performance of DS-CDMA system with M-ary orthogonal Modulation, using four types of PIC receiver to cancel the MAI effect, tow kinds of channel codes to increasing the system performance. RAKE structure and Channel Estimation are also used to fight multipath fading.
The simulation results show that we have can improve the performance using PIC, Coding, and channel estimation technique.

Contents
ABSTRACT...............................................I
CONTENTS...............................................II
List of Figures and Tables.............................IV
Chapter 1 Introduction................................1
1.1 Research Background..............................1
1.2 Research Motivation..............................2
1.3 Thesis Architecture..............................4
Chapter 2 DS-CDMA System and Channel Model............5
2.1 Transmitter Model................................5
2.1.1M-ary Orthogonal Modulation Transmitter Model
..............................................6
2.2 Pseudo-Noise Spreading Sequence Generator.....8
2.2.1Maximal Length Sequences......................9
2.3 Channel Model.................................14
2.3.1Multi-path Fading Model.......................14
2.4 Rake Receiver Model...........................16
2.4.1Non-coherent Rake Receiver....................16
2.5 Channel Estimation Technique..................19
2.5.1Ideal on estimation of non-coherent reception
..............................................20
2.5.2Estimator on Channel parameter................21
Chapter 3 Coding......................................25
3.1 Convolutional Coding.......................25
3.1.1 Convolutional Encoder.................25
3.1.2 Convolutional Decoder.................30
3.2 Turbo Coding............................31
3.2.1 Turbo Coding structure.........................31
3.2.2 Puncturing............................32
3.2.3 Decoder...............................33
Chapter 4 Multiple Access Interference Cancellation
Scheme And Performance Analysis.............34
4.1 Conventional DS-CDMA System Without Multiuser
Interference Cancellation........................35
4.1.1 Receiver Performance Analysis..................36
4.1.2 BER Performance under AWGN Channel.............42
4.1.3 BER Performance under Fading Channel...........43
4.2 Conventional Parallel Interference Cancellation
.................................................44
4.2.1 Multistage Parallel Interference Canceller Analysis
...............................................48
4.3 Multistage Partial Parallel Interference Cancellation
.................................................51
4.4 Adaptive Parallel Interference Cancellation......54
4.5 Wiener Filter Multistage Parallel Interference
Cancellation.....................................60
Chapter 5 Simulation Results and Discussion...........64
5.1 PIC Schemes Under AWGN Channel...................65
5.1.1 Performance Using PIC Schemes Under AWGN Channel
.............................................65
5.1.2 Performance Using PIC Schemes With Coding Under
AWGN Channel.................................67
5.2 Performance Using RAKE Receiver and Channel Estimation
Under Multipath Fading...........................68
5.3 PIC Schemes Under Two Path Rayleigh Fading Channel
.................................................69
5.3.1 Performance Using PIC Schemes Under Two Path Rayleigh
Fading Channel..............................69
5.3.2 Performance Using PIC Schemes With Coding Under
Two Path Rayleigh Fading Channel.............70
5.4 Simulation Results...............................71
Chapter 6 Conclusions.................................82
APPENDIX
A.I Correlator Output Process.................84
A.II BER for Wiener filter...................86
Reference

                                

[1].Dongwook Lee, Hun Lee and Laurence B. Milstein, "Direct Sequence Spread Spectrum Walsh-QPSK Modulation," IEEE Transactions on Communications, Vol. 46 , pp.1227-1232 , No. 9 , September. 1998.
[2].Shimon Moshavi, "Multi-User Detection for DS-CDMA Communications," IEEE Communications Magazine, pp.124-136 , October. 1996.
[3].M. B. Pursley and H. F. A. Roefs, "Numerical Evaluation of Correlation Parameters for Optimal Phase of Binary Shift-Register Sequences," IEEE Trans. of on Communications, Vol. 27 , pp.1597-1604 , No.10, October. 1979.
[4].Matthias Patzold and Frank Laue, "Statistical Properties of Jakes'' Fading Channel Simulator," IEEE , pp.712-718 , 1998.
[5].P. Dent, G. E. Bottomley and T. Croft, "Jakes Fading Model Revisited," IEE Electronics Letters 24th , Vol. 29 , pp.1162-1163 , No.13 , June. 1993.
[6].Jui-Chi Chang, Wern-Ho Sheen and Chih-Ta Shih, "Multipath Fading Channels : Characteristics and Simulation Models," 電信研究雙月刊，第23卷第3期，民國82年6月.
[7].Akihiro Higashi, Tsutomu Taguchi and Koji Ohno, "Performance of Coherent Detection and Rake for DS-CDMA Uplink Channels," IEEE , pp.436-440 ,1995.
[8].P. I. Dallas, A. C. Iossifides and F-N. Pavlidou, "A modified RAKE receiver for a DS/CMDA Cellular Mobile System," IEEE PIMRC''94/WCN, pp.1419-1423, 1994.
[9].Pulin, R. Patel and Jack M. Holtzman, "Analysis of a DS/CDMA Successive Interference Cancellation Scheme Using Correlations," IEEE , pp.76-80, 1993.
[10].Pulin, R. Patel and Jack M. Holtzman, "Analysis of a Simple Successive Interference Cancellation Scheme in a DS/CDMA System," IEEE Journal on Selected Areas in Communications, Vol. 12 , pp.796-807 , No. 5 , June. 1994.
[11].Chaitali Sengupta, Suman Das, Joseph R. Cavallaro and Behnaam Aazhang, "Efficient Multiuser Receivers for CDMA Systems," IEEE , pp.1461-1465 1999.
[12].Dariush Divsalar and Marvin K. Simon, "Improved CDMA Performance Using Parallel Interference Cancellation," IEEE , pp.911-917, 1994.
[13].Dariush Divsalar, Marvin K. Simon and Dan Raphaeli, "Improved Parallel Interference Cancellation for CDMA," IEEE Transactions on Communications, Vol. 46 , pp.258-268 , No. 2 , February. 1998.
[14].Guoqiang Xue, Jianfeng Weng, Tho Le-Ngoc and Sofiene Tahar, "Adaptive Multistage Parallel Interference Cancellation for CDMA," IEEE Journal on Selected Areas in Communications, Vol. 17 , pp.1815-1827 , No. 10 , October. 1999.
[15].Robert C. Dixon, "Spread Spectrum Systems With Commercial Applications," Third Edition , By John Wiley&Sons , Inc. 1994.
[16].William C. Jakes, "Microwave Mobile Communications," The Institute of Electrical and Electronics Engineers , Inc. January. 1994.
[17].Dr. Kamilo Feher, "Wireless Digital Communications Modulation and Spread Spectrum Applications," By Prentice-Hall , Inc. 1995.
[18].William C. Y. Lee, "Mobile Communications Design Fundamentals," By John Wiley&Sons , Inc. 1993.
[19].John G. Proakis, "Digital Communications," Third Edition , McGraw-Hill , Inc. 1995.
[20].Kyoung Kim, "On the Error Probability of a DS/SSMA System with a Noncoherent M-ary Orthogonal Modulation," IEEE , pp.482-485 , 1992.
[21].Jack M. Holtzman, "A Simple , Accurate Method to Calculate Spread-Spectrum Multiple-Access Error Probabilities," IEEE Transactions on Communications, Vol. 40 , pp.461-464 , No. 3 , March. 1992.
[22].Sung-Jin , Min-Goo , Chang-Eon and Norihiko Morinaga, "Conerent Detection for DS/CDMA Syatem with M-Ary Orthogonal Modulation in Multipath Fading Channels," IEICE Trans. Commun. , Vol. E82-B , pp.1084-1087 , July. 1999.
[23].Louay M.A. Jalloul and Jack M. Holtman, "Performance Analysis of DS/CDMA with Noncoherent M-ary Orthogonal Modulation in Multipath Fading Channels," IEEE Journal on Selected Areas in Communications, Vol. 12 , pp.862-870 , No. 5 , June. 1994.
[24].Mahbubul Alam, Tero Ojanpera and Ramjee Prasad, "Impact of Timing Error on the Performance of Multiuser Detection in Multirate CDMA System," IEEE , pp. 299-303, 1999.
[25].Hongbao Zhang and Dominik Rutkowski, "Performance Analysis of A Spread Spectrum M-ary Orthogonal Modulation Under Multipath Fading," IEEE , pp. 602-606, 1994.
[26].Pulin Patel and Jack Holtzman, "Performance Comparison of a DS/CDMA System using a Successive Interference Cancellation (IC) Scheme and a Parallel IC Scheme under Fading," IEEE , pp.510-514, 1994.
[27].C. D''Amours, M. Moher, and A. Yongacoglu, "Comparison of Pilot Symbol-Assisted and Differentially Detected BPSK for DS-CDMA Systems Employing RAKE Receivers in Rayleigh Fading Channels," IEEE Trans. on Vehicular Tech. Vol. 47 , No. 4 , pp.1258-1266 , November. 1998.
[28].Jin-il Kim, Sun-hyon Yoon, Sung-jin Kang and Chang-eon Kang, "Interference Cancellation parameter estimation in DS/CDMA system with M-ary orthogonal modulation," IEEE Electronics Letters , Vol. 34 , No. 12 , pp.1194-1195 , 11th June. 1998.
[29].K. Pahlavan and M. Chase, "Spread-Spectrum Multiple-Access Performance of Orthogonal Codes for Indoor Radio Communications," IEEE Trans. on Communication, Vol. 38 , No. 5 , May 1990.
[30].Simon Haykin, "Adaptive Filter Theory," Third Edition , By Prentice Hall , Inc. 1996.
[31].Hong Shen Wang, Pao-Chi Chang, “On Verifying the First-Order Markovian Assumption for a Rayleigh Fading Channel Model”, IEEE Trans. Vehicular Technology, VOL. 45, NO. 2, pp.353-357 , May. 1998
[32].Byeong Hoon Park, Ki Jun Kim, Soon-Yil Kwon and Keum Chan Whang, “Multistage Decision-Directed Channel Estimation Scheme for DS-CDMA System with M-ary Orthogonal Signaling”, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL.49, NO. 1, JANUARY 2000
[33].L. Jalloul and J. Holtzman, ”Performance Analysis of DS/CDMA system with noncoherent M-ary orthogonal modulation in multipath fading channels”, IEEE J. Select. Areas Commun., Vol. 12, No. 5, pp. 862-870 , June. 1994.
[34].Mo-han Fong, Vijay K. Bhargava, “ Concatenated Orthogonal/PN Spreading Sequences and their application to cellular DS-CDMA Systems with Integrated Traffic” IEEE Journal on Selected Areas in Communications. Vol. 14, No. 3, April 1996. P547-558
[35].Theodore S. Rappaport “ Wireless Communications: Principles and Practice”, 1996 by Prentice Hall PTR
[36].S.M. Kay, “Fundamentals of Statistical Signal Processing” 1st Ed. New Jersey: Prentice Hall, 1993.
[37].David G. M. Cruickshank, “Optimal and Adaptive FIR Filter Receivers for DS-CDMA”, IEEE / ICCC, 1994, pp.1339-1343
[38].D.G.M. Cruickshank, “Suppression of multiple access interference in a DS-CDMA system using Wiener filtering and parallel cancellation”, IEE, 1996, pp.226-230
[39].Sergio Benedetto and Guido Montorsi, “Design of Parallel Concatenated Convolutional Codes”, IEEE TRANSACTIONS ON COMMUNICATUIONS, VOL. 44, NO. 5, MAY 1996, pp.591-600
[40].Volker Kuhn, “Turbo-Codes and Turbo-Coded Modulation in CDMA Mobile Radio Systems for Short Frame Transmission”, IEEE, 1998, pp.364-368
[41].Zhang Ping, Li Zexian, Yang Xinjie, Chen Yuhua, Chen Zhiqiang, Wang Yuzhen and Hu Xuehong, “Studies on Wideband CDMA System”, International Conference on Communication Technology ICCT’98
[42].K. J. Kim, S.Y. Kwon, S. H. Hwang, C. H. Park and K. C. Whang,”Comparison of coherent and noncoherent CDMA system in time-varing fading channel”, in IEEE VTC, 1993, pp.884-888
[43].R. Walton and M. Wallace, “Near maximum likelihood demodulation for M-ary orthogonal signaling”, in IEEE VTC, 1998, pp.5-8
[44].Shu Lin and Daniel J. Costello, JR. ,“Error Control Coding”
[45].C. Berrou, A. Glavieux and P. Thitimajshima, “Near Shannon limit error-correcting coding and decoding: Turbo-codes(1)”, In Proc. IEEE International Conference on Communications(ICC’93), pages 1064-1070, Geneva, 1993

簡易檢索 / 詳目顯示

相關論文