Nima Ashrafi

13 papers Journal 1Unranked 12
YearRankTypeTitle / Venue / Authors
2016 — conf
32-Gbit/s 60-GHz millimeter-wave wireless communication using orbital angular momentum and polarization multiplexing.
ICC
Yan Yan, Long Li, Zhe Zhao, Guodong Xie, Zhe Wang, Yongxiong Ren, Nisar Ahmed, Soji Sajuyigbe, Shilpa Talwar, Moshe Tur, Nima Ashrafi, Solyman Ashrafi, Andreas F. Molisch, Alan E. Willner
2016 — conf
A dual-channel 60 GHz communications link using patch antenna arrays to generate data-carrying orbital-angular-momentum beams.
ICC
Zhe Zhao, Yan Yan, Long Li, Guodong Xie, Yongxiong Ren, Nisar Ahmed, Zhe Wang, Cong Liu, Asher J. Willner, Pingyue Song, Hossein Hashemi, Haohan Yao, Duncan L. MacFarlane, Rashaunda Henderson, Nima Ashrafi, Solyman Ashrafi, Shilpa Talwar, Soji Sajuyigbe, Moshe Tur, Andreas F. Molisch, Alan E. Willner
2016 — conf
Demonstration of OAM-based MIMO FSO link using spatial diversity and MIMO equalization for turbulence mitigation.
OFC
Yongxiong Ren, Zhe Wang, Guodong Xie, Long Li, Asher J. Willner, Yinwen Cao, Zhe Zhao, Yan Yan, Nisar Ahmed, Nima Ashrafi, Solyman Ashrafi, Robert Bock, Moshe Tur, Alan E. Willner
2016 — conf
Physical phaseplate for the generation of a millimeter-wave hermite-Gaussian beam.
RWS
Harini Kumar, H. Yao, Thethnin Ei, Nima Ashrafi, Tim LaFave, Solyman Ashrafi, Duncan L. MacFarlane, Rashaunda Henderson
2016 — conf
Tunable generation and angular steering of a millimeter-wave orbital-angular-momentum beam using differential time delays in a circular antenna array.
ICC
Guodong Xie, Yan Yan, Zhe Zhao, Long Li, Yongxiong Ren, Nisar Ahmed, Asher J. Willner, Changjing Bao, Zhe Wang, Cong Liu, Nima Ashrafi, Solyman Ashrafi, Shilpa Talwar, Soji Sajuyigbe, Moshe Tur, Andreas F. Molisch, Alan E. Willner
2015 — conf
400-Gbit/s free-space optical communications link over 120-meter using multiplexing of 4 collocated orbital-angular-momentum beams.
OFC
Yongxiong Ren, Zhe Wang, Peicheng Liao, Long Li, Guodong Xie, Hao Huang, Zhe Zhao, Yan Yan, Nisar Ahmed, Martin P. J. Lavery, Nima Ashrafi, Solyman Ashrafi, Roger D. Linquist, Moshe Tur, Ivan B. Djordjevic, Mark A. Neifeld, Alan E. Willner
2015 — conf
Dividing and multiplying the mode order for orbital-angular-momentum beams.
ECOC
Zhe Zhao, Yongxiong Ren, Guodong Xie, Long Li, Yan Yan, Nisar Ahmed, Zhe Wang, Nima Ashrafi, Solyman Ashrafi, Roger D. Linquist, Alan E. Willner
2015 — conf
Experimental demonstration of 16-Gbit/s millimeter-wave communications link using thin metamaterial plates to generate data-carrying orbital-angular-momentum beams.
ICC
Zhe Zhao, Yongxiong Ren, Guodong Xie, Yan Yan, Long Li, Hao Huang, Changjing Bao, Nisar Ahmed, Martin P. J. Lavery, Chongfu Zhang, Nima Ashrafi, Solyman Ashrafi, Shilpa Talwar, Soji Sajuyigbe, Moshe Tur, Andreas F. Molisch, Alan E. Willner
2015 — conf
Experimental measurements of multipath-induced intra- and inter-channel crosstalk effects in a millimeter-wave communications link using orbital-angular-momentum multiplexing.
ICC
Yan Yan, Long Li, Guodong Xie, Changjing Bao, Peicheng Liao, Hao Huang, Yongxiong Ren, Nisar Ahmed, Zhe Zhao, Martin P. J. Lavery, Nima Ashrafi, Solyman Ashrafi, Shilpa Talwar, Soji Sajuyigbe, Moshe Tur, Andreas F. Molisch, Alan E. Willner
2015 — conf
Exploiting the unique intensity gradient of an orbital-angular-momentum beam for accurate receiver alignment monitoring in a free-space communication link.
ECOC
Guodong Xie, Long Li, Yongxiong Ren, Yan Yan, Nisar Ahmed, Zhe Zhao, Zhe Wang, Nima Ashrafi, Solyman Ashrafi, Roger D. Linquist, Alan E. Willner
2015 — conf
Performance enhancement of an orbital-angular-momentum-based free-space optical communication link through beam divergence controlling.
OFC
Long Li, Guodong Xie, Yongxiong Ren, Nisar Ahmed, Hao Huang, Zhe Zhao, Peicheng Liao, Martin P. J. Lavery, Yan Yan, Changjing Bao, Zhe Wang, Nima Ashrafi, Solyman Ashrafi, Moshe Tur, Alan E. Willner
2014 J jnl
Performance Metrics and Design Parameters for a Free-space Communication Link Based on Multiplexing of Multiple Orbital-Angular-Momentum Beams.
CoRR
Guodong Xie, Long Li, Yongxiong Ren, Hao Huang, Yan Yan, Nisar Ahmed, Zhe Zhao, Martin P. J. Lavery, Nima Ashrafi, Solyman Ashrafi, Moshe Tur, Andreas F. Molisch, Alan E. Willner
2014 — conf
Performance metrics and design parameters for an FSO communications link based on multiplexing of multiple orbital-angular-momentum beams.
GLOBECOM Workshops
Guodong Xie, Long Li, Yongxiong Ren, Hao Huang, Yan Yan, Nisar Ahmed, Zhe Zhao, Martin P. J. Lavery, Nima Ashrafi, Solyman Ashrafi, Moshe Tur, Andreas F. Molisch, Alan E. Willner