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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…
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…