![劉光輝[電子科技大學教授]](/img/1/b10/nBnauM3X2MDN2cjM5IzM1kTO0UTMyITNykTO0EDMwAjMwUzLyMzLyYzLt92YucmbvRWdo5Cd0FmLyE2LvoDc0RHa.jpg "劉光輝[電子科技大學教授]")
人物經歷
教育經歷
1995.9 - 1999.7 四川師範學院，物理系，理學學士。
1999.9 - 2002.2 電子科技大學，電子工程學院，理學碩士。
2002.3 - 2005.7 電子科技大學，電子工程學院，工學博士 。
工作經歷
2005.8 - 2009.2 韓國三星電子半導體總部，高級研究員。
2009.3 - 2014.7 電子科技大學，電子工程學院，副教授。
2012.12 - 2017.12 電子科技大學，電子工程學院，博士生導師。
2014.8 - 2017.12 電子科技大學，電子工程學院，教授 。
2018.1 電子科技大學，信息與通信工程學院，教授、博士生導師 。
研究方向
研究領域
無線通信信號處理，數字視頻廣播系統，認知通信，智慧型電網通信 。
課程教學
2010 - 2013 計算機通信網 （本科）。
2014 - 至今 數字無線電系統基礎 （本科）。
2013 - 至今 現代無線通信原理 （研究生） 。
招生情況
博士招生專業（1~2名/年）：081002 信號與信息處理 。
05自適應及陣列信號處理。
08現代通信信號處理技術。
碩士招生專業（4名/年）：081002 信號與信息處理 。
01高速實時信號處理技術。
05圖像傳輸處理。
08現代通信信號處理。
學術兼職
IEEE Senior Member
期刊審稿人：IEEE Transactions on Broadcasting,IEEE Transactions on Communications, IEEE Transactions onWireless Communications, IEEE Transactions onVehicular Technology, IEEE Communications Letters, China Communications , 電子學報等 。
教育部博士學位論文評審專家 。
國際學術會議出版主席：IEEE ISPACS2010, IEEE VCIP2016
研究概況
長期致力於無線寬頻通信理論與技術的研究，尤其在數字圖像/視頻傳輸與處理方面有多年的研發經驗。曾參與我國數字地面電視廣播物理層標準DTMB的制定工作，負責成電方案的系統仿真與驗證工作。研究了數字視頻廣播物理層傳輸標準解調方法，為DVB-T/H提出了時頻二維自適應信道信息獲取方法，以及高速移動環境子載波間干擾消除方法，為DTMB系統提出了基於複合PN相關的大範圍載波頻偏同步方法，以及低複雜度信道估計與均衡算法，為ISDB-Tsb系統提出低密度導頻條件下的同步方法等。此外，還研究了多載波系統干擾抵消算法，包括相位噪聲跟蹤與補償方法，模擬電視同頻干擾檢測與抑制方法等。所研究的方法被三星電子採用，並套用於相關數位電視專用解調晶片中。基於取得的研究成果，發表了50餘篇SCI/EI論文，其中10餘篇論文發表在權威刊物IEEE Transactions；申請了20餘項美國/中國發明專利，其中授權美國發明專利6項（作為第一發明人），授權中國發明專利5項。主持/完成包括自然科學基金在內的科研項目10餘項。2014年，作為課題負責人入選四川省青年科技創新團隊 。
主要貢獻
專利申請
申請了多項發明專利，其中授權10項，代表性專利如下 ：
[1] Guanghui Liu, “Method and apparatus for carrier frequency offset synchronization of orthogonal frequency division multiplexing receivers,” U. S. patent 8 446 990, May 21, 2013. Filed Aug. 19, 2008.
[2] Guanghui Liu, “Method of estimating inter-carrier interference (ICI) and ICI mitigating equalizer,” U. S. patent 8 295 339, Oct. 23, 2012. Filed Aug. 18, 2008.
[3] Guanghui Liu, “Method and apparatus for estimating sampling frequency offset, and sampling timing recovery loop including the apparatus,” U. S. patent 8 040 990, Oct. 18, 2011. Filed Jul. 15, 2008.
[4] Guanghui Liu, “Channel estimation method and system using linear correlation based interference cancellation (LCIC) combined with decision-feedback-equalization (DFE),” U. S. patent 7 933 366, Apr. 26, 2011. Filed May 4, 2007.
[5] Guanghui Liu, “Channel estimation method and apparatus determining a channel impulse response (CIR) distribution area using two adjacent windows,” U. S. patent 7 869 545, Jan. 11, 2011. Filed May 23, 2007.
[6] Guanghui Liu, “Equalization method and apparatus for time domain synchronous orthogonal frequency division multiplexing receiver,” U. S. patent 7 792 203, Sep. 7, 2010. Filed May 23, 2007.
[7] Sergey Zhidkov, Guanghui Liu, and Jinhee Cheon, “Method for inter-carrier interference cancellation and equalization method, apparatus, and OFDM receiver using the method,” filed for US patent, Application No. 12/257,723, Oct. 24, 2008.
[8] 劉光輝, 吳亮明, 謝翔. 一種用於DTMB接收機的同頻干擾抑制裝置. (專利申請號201010190236.8, 2010.6.2.) 發明專利號：ZL2010 1 0190236.8, 2012.7.11. 專利證書號：1002095.
[9] 劉光輝，朱婧. 一種基於DTMB 接收機的3780 點FFT 處理裝置.(專利申請號201220637556.8，2012.11.28.), 專利號：ZL201220637556.8, 2013.5.8. (實用新型)。專利證書號：2905723.
[10] 劉光輝, 李傳磊, 吳亮明. 一種地面數字高畫質電視標準的組幀搜尋方法. 專利申請號201110053167.0, 2011.3.7. 專利號：ZL2011 1 0053167.0, 2013.7.17. 專利證書號：1235265.
[11] 吳亮明, 李傳磊, 劉光輝. 低密度奇偶校驗疊代解碼提前終止的方法. 專利申請號201110052448.4, 2011.3.4. 專利號：ZL2011 1 0052448.4, 2013.7.3. 專利證書號：1227229.
[12] 賀傑, 劉光輝, 牛俊峰. 偽噪聲序列相位檢測方法. 專利申請號201110056436.9, 2011.3.9. 專利號：ZL2011 1 0056435.9, 2013.10.2. 專利證書號：1281307.
[13] 李傳磊，劉光輝，文武. 多載波系統的軟判決方法. 專利申請號201110301334.9，2011.10.8.
[14] 劉光輝，焦晉科，曾遼原. 一種用於TDS-OFDM 系統的信道估計方法. 專利申請號201210513864.4，2012.12.5.
[15] 劉光輝，王福到，鄭承昊，高嫄嫄. 一種基於梳狀導頻的OFDM自適應復插值信道估計方法. 專利申請號201310231163.6, 2013.6.13.
[16] 劉光輝，王福到，趙友，高嫄嫄. 一種基於二維離散導頻的OFDM自適應信道估計方法. 專利申請號201310376226.7, 2013.8.26.
[17] 劉光輝，王福到，鄭承昊，趙友. 一種基於梳狀導頻的OFDM自適應信道估計方法. 專利申請號201310377464.x, 2013.8.26.
[18] 劉光輝，王福到，高嫄嫄，鄭承昊. 一種基於均勻分布導頻的二維自適應OFDM信道估計方法. 專利申請號201310376192.1, 2013.8.26.
代表性論文
共發表學術論文50餘篇，其中代表性論文如下 ：
[1]Guanghui Liu, L. Zeng, H. Li, L. Xu, and Z. Wang, “Adaptive interpolation for pilot-aided channel estimator in OFDM system,” to appear in IEEE Transactions on Broadcasting.
[2] W. Luo, H. Li, Guanghui Liu, and L. Zeng, “Semantic Annotation of Satellite Images Using Author-Genre-Topic Model,” IEEE Transactions on Geoscience and Remote Sensing, vol. 52, no. 2, pp. 1356 – 1368, Feb. 2014.
[3]L. Zeng, S. McGrath, and Guanghui Liu, “Cognitive ultra wideband radio spectrum sensing window length optimization algorithm,” EURASIP Journal on Wireless Communicaitons and Networking, vol. 2014, doi:10.1186/1687-1499-2014-18, Jan. 2014.
[4]Guanghui Liu, L. Zeng, H. Li, L. Xu, and Z. Wang, “Robust CFO acquisition in PN-padded OFDM systems,” ETRI J., vol. 35, no. 4, pp. 706-709, Aug. 2013.
[5]Guanghui Liu, L. Zeng, H. Li, L. Xu, and Z. Wang, “Adaptive complex interpolator for channel estimation in pilot-aided OFDM system,” J. Commun. and networks, vol. 15, no. 5, pp. 496 – 503, Oct. 2013.
[6]F. Meng, H. Li, Guanghui Liu and King N. Ngan, “From Logo to Object Segmentation”, IEEE Trans. Multimedia, vol. 15, no. 8, pp. 2186 – 2197, Dec. 2013.
[7]H. Li, L. Xu, and Guanghui Liu, “Face Hallucination via Similarity Constraints,” IEEE Signal Processing Letters, vol. 20, no. 1, pp. 19-22, Jan. 2013.
[8]F. Meng, H. Li, Guanghui Liu, and King Ngi Ngan, “Image Co-segmentation by Incorporating Color Reward Strategy and Active Contours Model,” IEEE Transactions on Cybernetics, vol. 43, no. 2, pp. 725-737, Apr. 2013.
[9]Guanghui Liu, S. V. Zhidkov, H. Li, L. Zeng, and Z. Wang, "Low-Complexity Iterative Equalization for Symbol-Reconstruction Based OFDM Receivers over Doubly Selective Channels," IEEE Transactions on Broadcasting, vol. 58, no. 3, pp. 390-400, Sept. 2012.
[10]F. Meng, H. Li, Guanghui Liu, and King Ngi Ngan, "Object Co-segmentation based on Shortest Path Algorithm and Saliency Model," IEEE Transactions on Multimedia, vol. 14, no. 5, pp. 1429-1441, Oct. 2012.
[11]W. Luo, H. Li, and Guanghui Liu, "Automatic Annotation of Multispectral Satellite Images Using Author Topic Model," IEEE Geoscience and Remote Sensing Letters (GRSL), vol. 9, no. 4, pp. 634-638, July 2012.
[12]W. Luo, H. Li, Guanghui Liu, and G. Gui, "A Novel Change Detection Method for Unregistered Optical Satellite Images", IEICE Transactions on Communications, vol.E95-B no.5, pp.1890-1893, May 2012.
[13]Guanghui Liu, H. Li, M. Wang, Z. Wang, and W.Chen, “Co-channel analogue television interference in the TDS-OFDM-based DTTB system: consequences and solutions,” IEEE Trans. Broadcast., vol. 57, no. 2, pp.270-276, June. 2011.
[14]H. Li, Guanghui Liu, King N. Ngan, "Guided Face Cartoon Synthesis", IEEE Transactions on Multimedia, vol. 13, no. 6, pp. 1230-1239, 2011.
[15]Guanghui Liu and Sergey V. Zhidkov, “A composite PN-correlation based synchronizer for TDS-OFDM receiver,” IEEE Trans. Broadcast., vol. 56, no. 1, pp.77-85, Mar. 2010.
[16]Guanghui Liu and Weile Zhu, “Phase noise effects and mitigation in OFDM systems over Rayleigh fading channels,” Wireless Personal Commun., vol. 41, no. 2, pp. 243-258, Apr. 2007.
[17]Guanghui Liu and J. Zhang, “ITD-DFE based channel estimation and equalization in TDS-OFDM receivers,” IEEE Trans. Consumer Electron., vol. 53, no. 2, pp. 304-309, May 2007.
[18]Guanghui Liu, “Comments on “A Combined Code Acquisition and Symbol Timing Recovery Method for TDS-OFDM”,” IEEE Trans. Broadcast., vol. 52, no. 4, p. 585, Dec. 2006.
[19]Guanghui Liu and Weile Zhu, “Compensation of phase noise in OFDM systems using an ICI reduction scheme,” IEEE Trans. Broadcast., vol. 50, no. 4, pp. 399-407, Dec. 2004.
[20]W. Luo, H. Li, Guanghui Liu, King Ngi Ngan, "Global salient information maximization for saliency detection," Signal Processing: Image Communication, Elsevier, vol. 27, no. 3, pp. 238–248, Mar. 2012.
[21]Bo Wu, Linfeng Xu, Guanghui Liu, “A visual attention model for news video,” in Proc. ISCAS 2013, pp. 941 – 944, May 2013.
[22]Guanghui Liu, L. Zeng, H. Li, and Z. Wang, “Complex coefficient interpolation based channel estimation for OFDM in single-frequency networks,” in Proc. IEEE CIT2012, pp. 655 – 660, Dec. 2012.
[23]F. Meng, H. Li, and Guanghui Liu, “Image co-segmentation via active contours,” in Proc. IEEE ISCAS2012, pp. 2773-2776.
[24]W. Luo, H. Li, Guanghui Liu, F. Meng, “Change detection in unregistered optical satellite images using combinatorial clustering method ,” in Proc. ISPACS2011, pp. 1 – 4.
[25]Guanghui Liu, H. Li, W. Chen, M. Wang, and L. Wang, “Parallel-filtering based equalization of OFDM over doubly selective channels,” in Proc. IEEE Global Telecommun. Conf. (GLOBECOM), Miami, USA, Dec. 6-10, 2010.
[26]Guanghui Liu, Z. Wang, T. Ju, and M. Wang, “Rejection of co-channel interference in the TDS-OFDM-based DTTB system,” in Proc. ISPACS, Chengdu, China, 2010.
[27]Guanghui Liu, T. Ju, Z. Wang, W. Chen, and L. Xu, “Simple equalization of OFDM signal over doubly selective channels,” in Proc. ISPACS, Chengdu, China, 2010.
[28]H. Li, Guanghui Liu, and King N. Ngan, "Learn to Segment Attention Object from Low DoF Image", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS10), Paris, France, 2010
