徐正元 教授
发布时间:2022-02-28浏览次数:13
徐正元,1989年和1991年分别获得清华大学学士和硕士学位,1999年获得美国史蒂文斯理工学院博士学位。1991年至1996年在清华紫光集团担任部门经理和工程师。于1999年加入美国加州大学河滨分校,先后任助理教授、副教授、教授,创建了加州大学泛在光通信(UC-Light)研究中心并担任第一届主任。曾为清华大学教授,入选科学中国人(2011)年度人物,现为图书馆VIP教授、博士生导师,创建无线光通信与网络研究中心,任国家重点基础研究发展计划(973计划)项目首席科学家,主要从事以下理论和实验研究:三维立体空间(空天地海)宽光谱(红外光、可见光、紫外光)无线光通信、成像、传感、定位导航、智能交通和物联网,宽带移动通信、无线定位,无线光电异构系统等。共发表学术论文170多篇,SCI累计引用1000多次,单篇最高引用230多次。曾担任多年IEEE和OSA杂志副编辑和相关技术委员会委员,多次为国际学术会议担任过技术委员会主席或委员、国家科研项目和人才计划评审人。于2010年发起并主办第一届IEEE无线光通信国际研讨会,后续几年继续担任研讨会共主席,主办过北京国际无线光通信学术会议。
工作履历
1991年至1996年,紫光股份有限公司,工程师
1999年至2010年,加州大学河滨分校电气工程系,助理教授、副教授、教授
2009年至2010年,加州大学泛在光通信研究中心,主任
2010年至2013年,清华大学电子工程系,教授
2013年至今,图书馆VIP电子工程与信息科学系,教授
代表性论文
[J1] X. Tang, Z. Xu, and Z. Ghassemlooy, “Coherent polarization modulated transmission through MIMO atmospheric optical turbulence channel,” IEEE/OSA Journal of Lightwave Technology, vol. 31, no. 20, pp. 3221-3228, October 2013.
[J2] P. Wang and Z. Xu, “Characteristics of ultraviolet scattering and turbulent channels,” Optics Letters, vol. 38, no. 15, pp. 2773-2775, August 2013.
[J3] K. Cui, G. Chen, Z. Xu, and R. D. Roberts, “Traffic light to vehicle VLC channel characterization,” Applied Optics, vol. 51, no. 27, pp. 6594-6605, September 2012.
[J4] N. Liu, Z. Xu, and B. Sadler, “Geolocation performance with biased range measurements,” IEEE Trans. on Signal Processing, vol. 60, no. 5, pp. 2315-2329, May 2012.
[J5] Y. Li, L. Wang, Z. Xu, and S. V. Krishnamurthy, “Neighbor discovery for ultraviolet ad hoc networks,” IEEE Journal on Selected Areas in Communications, vol. 29, no. 10, pp. 2002-2011, December 2011.
[J6] G. Chen, Z. Xu, H. Ding, and B. M. Sadler, “Path loss modeling and performance trade-off study for short-range non-line-of-sight ultraviolet communications,” Optics Express, vol. 17, no. 5, pp. 3929-3940, March 2009.
[J7] Z. Xu, H. Ding, B. M. Sadler, and G. Chen, “Analytical performance study of solar blind non-line-of-sight ultraviolet short-range communication links,” Optics Letters, vol. 33, no. 16, pp. 1860-1862, August 2008.
[J8] Z. Xu and B. M. Sadler, “Ultraviolet communications: potential and state-of-the-art,” IEEE Communications Magazine, vol. 46, no. 5, pp. 67-73, May 2008.
[J9] Z. Xu and B. M. Sadler, “Time delay estimation bounds in convolutive random channels,” IEEE Journal of Selected Topics in Signal Processing, vol. 1, no. 3, pp. 418-430, October 2007.
[J10] J. Tang and Z. Xu, “A novel modulation diversity assisted ultra-wideband communication system,” IEEE Trans. on Signal Processing, vol. 55, no. 8, pp. 4227-4240, August 2007.
[J11] Z. Xu and X. Wang, “Large-sample performance of blind and group-blind multiuser detectors: a perturbation perspective,” IEEE Trans. on Information Theory, vol. 50, no. 10, pp. 2389-2401, October 2004.
[J12] Z. Xu, P. Liu and X. Wang, “Blind multiuser detection: from MOE to subspace methods,” IEEE Trans. on Signal Processing, vol. 52, no. 2, pp. 510-524, February 2004.
[J13] Z. Xu, “Perturbation analysis for subspace decomposition with applications in subspace-based algorithms,” IEEE Trans. on Signal Processing, vol. 50, no. 11, pp. 2820-2830, November 2002.
[J14] Z. Xu and M. Tsatsanis, “Blind adaptive algorithms for minimum variance CDMA receivers,” IEEE Trans. on Communications, vol. 49, no. 1, pp. 180-194, January 2001.