activity
20202023
most citedPerformance of Wireless Optical Communication With Reconfigurable Intelligent Surfaces and Random Obstacles

41 citations · 56 across the 5 of their papers we have counts for

collaborators

5 papers

cs.IT2023★ 15 cited

Pilot-Free Unsourced Random Access Via Dictionary Learning and Error-Correcting Codes

Zhentian Zhang, Jian Dang, Zaichen Zhang +3

Massive machine-type communications (mMTC) or massive access is a critical scenario in the fifth generation (5G) and the future cellular network. With the surging density of device…

eess.SP2022

Fast and Arbitrary Beam Pattern Design for RIS-Assisted Terahertz Wireless Communication

Jian Dang, Zaichen Zhang, Yewei Li +3

Reconfigurable intelligent surface (RIS) can assist terahertz wireless communication to restore the fragile line-of-sight links and facilitate beam steering. Arbitrary reflection b…

cs.IT2022

A New High Energy Efficiency Scheme Based on Two-Dimension Resource Blocks in Wireless Communication Systems

Kang Liu, Zaichen Zhang, Jian Dang +4

Energy efficiency (EE) plays a key role in future wireless communication network and it is easily to achieve high EE performance in low SNR regime. In this paper, a new high EE sch…

cs.IT2021

Outage Analysis and Beamwidth Optimization for Positioning-Assisted Beamforming

Bingcheng Zhu, Zaichen Zhang, Julian Cheng

Conventional beamforming is based on channel estimation, which can be computationally intensive and inaccurate when the antenna array is large. In this work, we study the outage pr…

eess.SY2020★ 41 cited

Performance of Wireless Optical Communication With Reconfigurable Intelligent Surfaces and Random Obstacles

Haibo Wang, Zaichen Zhang, Bingcheng Zhu +5

It is difficult for free space optical communication to be applied in mobile communication due to the obstruction of obstacles in the environment, which is expected to be solved by…