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通知公告

學(xué)術(shù)報(bào)告通知(編號(hào):2014-27)

發(fā)布時(shí)間:2014-12-23 瀏覽次數(shù):

報(bào)告題目:Blind Interference Alignment with Diversity

報(bào)告人:Wei Zhang 教授(37歲IEEE Fellow)

單位:新南威爾士大學(xué)(UNSW),悉尼

報(bào)告時(shí)間:2014年12月25日(周四),上午10:00-11:30

報(bào)告地點(diǎn):學(xué)術(shù)報(bào)告中心二樓小報(bào)告廳

報(bào)告摘要:

Interference alignment has been recently studied as an effective tool to achieve degree of freedom (DoF) of wireless interference channels. DoF is also known as multiplexing gain or capacity pre-log scaling factor and provides a capacity approximation of wireless network in the high signal-to-noise ratio region. However, the interference alignment technique requires precoder design with the channel state information at transmitters (CSIT) so that the interferences can be aligned at receivers. Blind interference alignment can overcome the limitation of full CSIT by adopting pattern reconfigurable antennas at receivers. In this talk, the wireless interference channel is investigated from a different perspective and the diversity benefits of wireless interference channels are explored. A space-time coding approach is designed to achieve high diversity gain and high rate for MISO interference channels with reconfigurable receiver antennas. A family of diversity achieving techniques is proposed with blind interference alignment to accommodate various needs of diversity-rate tradeoff.

報(bào)告人簡介:

張偉教授于2005年獲得香港中文大學(xué)(CUHK)電子工程系的博士學(xué)位,2006年-2007年在香港科技大學(xué)(HKUST)電子與計(jì)算機(jī)工程系從事博士后(Research Fellow)工作。2008年加入新南威爾士(UNSW)大學(xué)的電子工程與電信學(xué)院,現(xiàn)任Associate Professor(英制,與美制的教授平級(jí))。

張教授目前的研究方向包括 Cognitive Radio(認(rèn)知無線電)、Energy Harvesting Communications(能量收集通信)、MIMO (多天線系統(tǒng))和 Multi-user Information Theory(網(wǎng)絡(luò)信息論)。2007年獲得 Globecom 最佳會(huì)議論文獎(jiǎng),2009年獲得IEEE 通信協(xié)會(huì)的亞太區(qū)杰出青年學(xué)者獎(jiǎng)(Asia-Pacific Outstanding Young Research Award)?,F(xiàn)任 IEEE Transactions on Wireless Communications 編委,IEEE JSAC(Cognitive Radio 系列)編委。曾任ICC 2011 通信理論分會(huì)場的技術(shù)委員會(huì)副主席,ICCC 2013 無線通信分會(huì)場的技術(shù)委員會(huì)副主席,以及GlobalSIP 2014 認(rèn)知無線電分會(huì)場的技術(shù)委員會(huì)主席。

基于張教授在認(rèn)知無線電研究上的突出貢獻(xiàn),IEEE 于2014年11月晉升張教授為IEEE Fellow。2014年12月,張教授被任命為 IEEE 無線通信技術(shù)委員會(huì)的秘書長(Secretary of IEEE Wireless Communications Technical Committee)。

Email: w.zhang@unsw.edu.au

Web: http://www2.ee.unsw.edu.au/~wzhang/

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