![]() |
|
以作者查詢圖書館館藏 、以作者查詢臺灣博碩士 、以作者查詢全國書目 、勘誤回報 、線上人數:40 、訪客IP:3.14.145.132
姓名 陽湘安(Hsiang-An Yang) 查詢紙本館藏 畢業系所 通訊工程學系在職專班 論文名稱 LTE下行鏈路系統之通道估測與等化
(Channel Estimation and Equalization for LTE Downlink System)相關論文 檔案 [Endnote RIS 格式]
[Bibtex 格式]
[相關文章]
[文章引用]
[完整記錄]
[館藏目錄]
[檢視]
[下載]
- 本電子論文使用權限為同意立即開放。
- 已達開放權限電子全文僅授權使用者為學術研究之目的,進行個人非營利性質之檢索、閱讀、列印。
- 請遵守中華民國著作權法之相關規定,切勿任意重製、散佈、改作、轉貼、播送,以免觸法。
摘要(中) 本論文介紹了正交分頻多工技術(Orthogonal Frequency Division Multiplexing,OFDM)的流程、多天線分集技術之空頻區塊碼(Space Frequency Block Code,SFBC)的編碼方式、LTE/LTE-A下行鏈路系統簡介、通道與空間通道模型(Spatial Channel Model,SCM)、可加性白色高斯雜訊(Additive White Gaussian Noise,AWGN)、通道估測與等化技術,並參考LTE/LTE-A下行鏈路系統的規格來進行通道的估測與等化,比較幾種不同的通道估測技術在不同的通道中與不同的天線數量下的性能評比。 摘要(英) This thesis introduces the orthogonal frequency division multiplexing technology、space frequency block code、LTE/LTE-A downlink system、spatial channel model、additive white gaussian noise、channel estimation and equalization,and reference to LTE/LTE-A downlink system specifications for channel estimation and equalization,compared the performance of different channel estimation techniques for different channels and different number of antennas。 關鍵字(中) ★ 長期演進技術
★ 正交分頻多工
★ 空頻區塊碼
★ 空間通道模型
★ 可加性白色高斯雜訊
★ 多輸入多輸出關鍵字(英) ★ LTE/LTEA
★ OFDM
★ SFBC
★ SCM
★ AWGN
★ MIMO論文目次 第一章 緒論 .............................................1
1.1 簡介 ............................................... 1
1.2 章節提要 ............................................ 1
第二章 正交分頻多工技術與多天線分集技術簡介 .................. 3
2.1 正交分頻多工技術簡介 .................................. 3
2.1.1 調變 ........................................... 4
2.1.2 串列和並行 ...................................... 5
2.1.3 IFFT和FFT ...................................... 5
2.1.4 保護區間和循環字首 ................................ 6
2.2 多天線分集技術簡介 .................................... 8
第三章 LTE/LTE-A下行鏈路系統簡介 ......................... 12
3.1 傳輸資源結構 ........................................ 12
3.2 實體層下行通道與訊號 ................................. 17
3.3 實體層下行鏈路 ...................................... 19
3.4 下行鏈路傳輸參數與通道模型參數 ......................... 24
第四章 通道估測與等化 ................................... 26
4.1 通道簡介 ........................................... 26
4.2 可加性白色高斯雜訊 ................................... 31
4.3 通道估測與等化 ...................................... 32
4.3.1 頻域上線性內插之通道估測 .......................... 32
4.3.2 頻域上三次多項式內插之通道估測 ..................... 34
4.3.3 頻域上Pilot位置的二次多項式曲線擬合之通道估測 ........ 35
4.3.4 時域上符元平均之通道估測 .......................... 36
4.3.5 頻域上零値逼近法之通道等化 ........................ 36
第五章 模擬結果與分析 ................................... 37
5.1 一發射天線與一接收天線 ............................... 38
5.2 双發射天線與一接收天線 ............................... 44
5.3 双發射天線與双接收天線 ............................... 58
第六章 結論與展望 ...................................... 72
參考文獻 ............................................... 73參考文獻 [1] 3GPP TS 36.211 V12.3.0 (2014-09) “Physical Channels
and Modulation (Release 12)”
[2] 3GPP TR 25.996 V12.0.0 (2014-09) “Spatial channel
model for Multiple Input Multiple Output (MIMO)
simulations (Release 12)”
[3] S. M. Alamouti, “A simple transmit diversity technique
for wireless communications”, IEEE Journal on Selected
Areas in Communications, Page(s):1451 – 1458, Oct.
1998.
[4] K. F. Lee, D. B. Williams, “A space-frequency
transmitter diversity technique for OFDM systems”,
Global Telecommunications Conference, Page(s):1473 –
1477, Dec. 2000.
[5] Yi Wang, Zhiheng Guo, Xiaofeng Tao, Ping Zhang, “Pilot
Design and Channel Estimation in MIMO-OFDM System with
Two Transmit Antennas”, 2006 First International
Conference on Communications and Networking in China,
Page(s):1 – 5, Oct. 2006.
[6] B. Ozbek, D. Le Ruyet, “Low complexity ZF receiver for
orthogonal SFBC-OFDM in broadband wireless channels”,
Electronics Letters, Page(s):479 – 481, Apr. 2006.
[7] Hua-Lin Hsu, “Channel Estimation and Equalization for
multiple antennas OFDM Systems in High mobility
Environment”, Master’s thesis, Department of
Communications Engineering, National Central
University, 2008.
[8] Keng-Te Liao, “Improvment of Channel Estimation and
Equalization for MISO OFDM System in High Mobility
Environment”, Master’s thesis, Department of
Communications Engineering, National Central
University, 2011.
[9] Hsin-Ying Wu, “Improvement of Channel Estimation and
Equalization for LTE Downlink System in Time-Varying
Channel”, Master’s thesis, Department of Communications
Engineering, National Central University, 2012.
[10] Yih-Min Chen, “Design of Farrow Interpolator for OFDM
Receivers with Asynchronous Sampling”, International
Journal of Electrical Engineering, 2013.4.
[11] Yih-Min Chen, “Digital Front-End Design for OFDM
Receivers with Synchronous IF Sampling”, The
International Journal of Electrical Engineering,
2008.10.
[12] Jia-Chin Lin, “Channel estimation assisted by
postfixed pseudo-noise sequences padded with zero
samples for mobile orthogonal-frequency-division-
multiplexing communications”, Published in IET
Communications Received on 3rd October 2007 Revised on
4th April 2008.
[13] Jia-Chin Lin, “Least-Squares Channel Estimation for
Mobile OFDM Communication on Time-Varying Frequency-
Selective Fading Channels”, IEEE TRANSACTIONS ON
VEHICULAR TECHNOLOGY, VOL. 57, NO. 6, NOVEMBER 2008.
[14] Jia-Chin Lin, “Least-squares channel estimation
assisted by self-interference cancellation for mobile
pseudo-random-postfix orthogonal-frequency-division
multiplexing applications”, Published in IET
Communications Received on 24th September 2008 Revised
on 26th March 2009.指導教授 陳逸民 審核日期 2016-8-10 推文 plurk
funp
live
udn
HD
myshare
netvibes
friend
youpush
delicious
baidu
網路書籤 Google bookmarks
del.icio.us
hemidemi
myshare