62 citations · 75 across the 11 of their papers we have counts for
11 papers
Wideband Physical Layer Security in Mixed Near-Field and Far-Field Communications
Yunpu Zhang, Changsheng You, Hing Cheung So
Prior studies on wideband physical layer security (PLS) have mostly focused on either far-field or near-field communication systems. In this paper, we investigate PLS in a more gen…
Rotatable Antenna Aided Mixed Near-Field and Far-Field Communications in the Upper Mid-Band: Interference Analysis and Joint Optimization
Yunpu Zhang, Changsheng You, Hing Cheung So +1
In this paper, we propose to leverage rotatable antennas (RAs) for improving the communication performance in mixed near-field and far-field communication systems by exploiting a n…
Near-field Beam-focusing Pattern under Discrete Phase Shifters
Haodong Zhang, Changsheng You, Cong Zhou
Extremely large-scale arrays (XL-arrays) have emerged as a promising technology for enabling near-field communications in future wireless systems. However, the huge number of anten…
Performance Analysis and Low-Complexity Beamforming Design for Near-Field Physical Layer Security
Yunpu Zhang, Yuan Fang, Changsheng You +2
Extremely large-scale arrays (XL-arrays) have emerged as a key enabler in achieving the unprecedented performance requirements of future wireless networks, leading to a significant…
Multi-beam Training for Near-field Communications in High-frequency Bands
Cong Zhou, Changsheng You, Zixuan Huang +4
In this paper, we study efficient multi-beam training design for near-field communications to reduce the beam training overhead of conventional single-beam training methods. In par…
Near-field Beam Training with Sparse DFT Codebook
Cong Zhou, Chenyu Wu, Changsheng You +1
Extremely large-scale array (XL-array) has emerged as one promising technology to improve the spectral efficiency and spatial resolution of future sixth generation (6G) wireless sy…
Sparse Array Enabled Near-Field Communications: Beam Pattern Analysis and Hybrid Beamforming Design
Cong Zhou, Changsheng You, Haodong Zhang +2
Extremely large-scale array (XL-array) has emerged as a promising technology to enable near-field communications for achieving enhanced spectrum efficiency and spatial resolution,…
SWIPT in Mixed Near- and Far-Field Channels: Joint Beam Scheduling and Power Allocation
Yunpu Zhang, Changsheng You
Extremely large-scale array (XL-array) has emerged as a promising technology to enhance the spectrum efficiency and spatial resolution in future wireless networks by exploiting mas…
A Tutorial on Near-Field XL-MIMO Communications Towards 6G
Haiquan Lu, Yong Zeng, Changsheng You +9
Extremely large-scale multiple-input multiple-output (XL-MIMO) is a promising technology for the sixth-generation (6G) mobile communication networks. By significantly boosting the…
Near-field Integrated Sensing and Communication: Opportunities and Challenges
Jiayi Cong, Changsheng You, Jiapeng Li +7
With the extremely large-scale array XL-array deployed in future wireless systems, wireless communication and sensing are expected to operate in the radiative near-field region, wh…
Near-Field Beam Training: Joint Angle and Range Estimation with DFT Codebook
Xun Wu, Changsheng You, Jiapeng Li +1
Prior works on near-field beam training have mostly assumed dedicated polar-domain codebook and on-grid range estimation, which, however, may suffer long training overhead and degr…