預編碼正交分頻多工傳輸系統峰均值降低技術效能之研析

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姓名

林俊霖(Chun-Lin Lin) 查詢紙本館藏

畢業系所

通訊工程學系在職專班

論文名稱

預編碼正交分頻多工傳輸系統峰均值降低技術效能之研析
(The Performance of PAPR for Precoded-OFDM)

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摘要(中)

本論文以工程角度，針對預編碼正交分頻多工系統(Precoded-OFDM, Orthogonal Frequency Division Multiplexing)家族中抑制ICI (Intercarrier Interference)及提高分集效益(Diversity)等兩類技術先進行分類探討及介紹，並針對OFDM系統中最敏感的參數：峰均功率比 (PAPR, Peak to Average Power Ratio)，加以探討分析其效能；期能為有心之士於Precoded-OFDM應用範疇中提供一個研究參考的機會。

摘要(英)

This thesis studies two major issues, Inter-Carrier Interference (ICI) suppression and raising multiplexing diversity, of precoded-OFDM (Orthogonal Frequency Division Multiplexing) system.
We furthermore analyze the performance as well as the influence of Peak to Average Power Ratio (PAPR), which is one of the most sensitive parameter in OFDM system. Various precoding architectures, methods are introduced and compared in this thesis to give some insights to those who is interested in precoded-OFDM system techniques.

關鍵字(中)

★ 預編碼技術
★ 信號峰均值
★ 正交分頻多工傳輸系統

關鍵字(英)

★ PAPR
★ OFDM
★ precoded technology

論文目次

目錄
圖表索引-----------------------------------------------v
第一章續論-------------------------------------------1
1.1 研究背景與動機------------------------------------1
1.2 論文章節概要--------------------------------------1
第二章 OFDM系統架構及預編碼技術介紹--------------------4
2.1 OFDM技術的發展演進-------------------------------------------------------------4
2.2 IEEE 802.11a傳統OFDM架構----------------------------------------------------8
2.3 PAPR(Peak to Average Power Ratio)定義及數學模型------------------------15
2.3.1 信號峰均值(Peak to Average Power Ratio,簡稱PAPR)---- --------------15
2.3.2 OFDM信號其PAPR的分佈狀況---------------------------------------------17
2.4 介紹Precoded-OFDM技術-------------------------------------------------------18
2.4.1 Linear Precoded-OFDM(LP) ------------------------------------------------19
2.4.2 Linear Constellation Precoded-OFDM(LCP)------------------------------21
2.4.3 Unitary Precoded-OFDM(UP) ----------------------------------------------24
2.4.4 Block Precoded-OFDM(BP)- -----------------------------------------------25
2.4.5 Space-Time/Frequecne Precoded-OFDM----------------------------------27
2.4.6 Intercarrier Intrference Reduction Precoded-OFDM---------------------29
2.4.7 Adaptive Vector Channel Allocation----------------------------------------31
2.5 小結-----------------------------------------------------------------------------------32
第三章抑制ICI類之預編碼 Precoded-OFDM技術----------------------------------33
3.1 前言-----------------------------------------------------------------------------------33
3.2 PCC(Polynomial-Cancellation Coding)技術介紹---------------------------34
3.2.1 前言------------------------------------------------------------------------------34
3.2.2 PCC-OFDM系統架構--------------------------------------------------------35
3.2.3 PCC-OFDM預編碼(Precoded)原理----------------------------------------38
3.2.4 PCC-OFDM預編碼(Precoded)系統優缺點分析-------------------------39
3.3 PCC-OFDM預編碼(Precoded)技術之PAPR效能分析------------------40
3.3.1 PCC-OFDM子載波分佈狀況-----------------------------------------------40
3.3.2 PCC-OFDM之PAPR效能分佈--------------------------------------------42
3.3.3 PCC-OFDM之模擬分析-----------------------------------------------------43
3.4 Data Conjugate Method(DCM)技術介紹--------------------------------------48
3.4.1 Data Conjugate Method(DCM)系統架構----------------------------------48
3.4.2 DCM-OFDM預編碼(Precoded)原理--------------------------------------51
3.4.3 DCM-OFDM預編碼(Precoded)系統優缺點分析-----------------------51
3.5 Data Conjugate Method(DCM)技術之PAPR效能分析------------------52
3.5.1 DCM-OFDM子載波分佈狀況---------------------------------------------52
3.5.2 DCM-OFDM之PAPR效能分佈------------------------------------------54
3.5.3 DCM-OFDM之模擬分析---------------------------------------------------55
3.6 小結---------------------------------------------------------------------------------59
第四章提高Diversity類之預編碼Precoded-OFDM技術------------------------60
4.1 前言-------------------------------------------------------------------------------60
4.2 UP(Unitary Precoded)-OFDM技術介紹------------------------------------61
4.2.1 前言-----------------------------------------------------------------------------61
4.2.2 UP-OFDM系統架構---------------------------------------------------------62
4.2.3 UP-OFDM預編碼(Precoded)原理-----------------------------------------64
4.2.4 UP-OFDM預編碼(Precoded)系統優缺點分析--------------------------65
4.3 UP-OFDM技術之PAPR效能分析------------------------------------------65
4.3.1 UP-OFDM子載波分佈狀況-------------------------------------------------65
4.3.2 UP-OFDM之PAPR效能分佈----------------------------------------------67
4.3.3 UP-OFDM之模擬分析-------------------------------------------------------68
4.4 Antipodal Paraunitary (APU-OFDM)技術介紹-----------------------------73
4.4.1 Antipodal Paraunitary (APU-OFDM)系統架構---------------------------73
4.4.2 APU-OFDM預編碼(Precoded)原理---------------------------------------75
4.5 APU-OFDM預編碼(Precoded) 技術之PAPR效能分析----------------76
4.5.1 APU-OFDM子載波分佈狀況----------------------------------------------76
4.5.2 APU-OFDM之PAPR效能分佈-------------------------------------------78
4.5.3 APU-OFDM之模擬分析----------------------------------------------------79
4.6 小結--------------------------------------------------------------------------------83
第五章結論---------------------------------------------------------------------------------84
5.1 抑制ICI類之預編碼 Precoded-OFDM技術-------------------------------84
5.2 提高Diversity類之預編碼 Precoded-OFDM技術------------------------84
5.3 綜合比較分析--------------------------------------------------------------------85
參考文獻----------------------------------------------------------------------------------------86
中英對照表-------------------------------------------------------------------------------------92

參考文獻

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指導教授

鐘嘉德、魏瑞益
(Char-Dir Chung、Ruey-Yi Wei)

審核日期

2006-7-7

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