activity
20232026
most citedBeamspace Modulation for Near Field Capacity Improvement in XL-MIMO Communications

32 citations · 49 across the 10 of their papers we have counts for

collaborators

10 papers

cs.IT2026

GNN-Based Global CSI Reconstruction for Fronthaul-Limited Distributed MIMO Systems

Haojin Li, Kaiqian Qu, Anbang Zhang +3

Global channel state information (CSI) acquisition is essential for cooperative precoding in distributed multiple-input multiple-output (DMIMO) systems, but uploading full instanta…

eess.SP2026

Towards a Theoretical Framework for Robust Node Deployment in Cooperative ISAC Networks

Haojin Li, Kaiqian Qu, Chen Sun +4

This paper investigates node deployment strategies for robust multi-node cooperative localization in integrated sensing and communication (ISAC) networks.We first analyze how steer…

cs.LG2025

Empower Low-Altitude Economy: A Reliability-Aware Dynamic Weighting Allocation for Multi-modal UAV Beam Prediction

Haojin Li, Anbang Zhang, Chen Sun +4

The low-altitude economy (LAE) is rapidly expanding driven by urban air mobility, logistics drones, and aerial sensing, while fast and accurate beam prediction in uncrewed aerial v…

eess.SP2024

Unleashing the Potential of Beamspace Modulation in Near-Field MIMO: Opportunities and Challenges

Shuaishuai Guo, Kaiqian Qu, Shuping Dang

The principal distinction in transitioning from far-field multiple-input multiple-output (MIMO) systems to near-field MIMO configurations lies in the notable augmentation of spatia…

eess.SP2024★ 9 cited

Unified Integrated Sensing and Communication Signal Design: A Sphere Packing Perspective

Shuaishuai Guo, Kaiqian Qu

The design of communication signal sets is fundamentally a sphere packing problem. It aims to identify a set of M points in an N -dimensional space, with the objective of maximizin…

cs.IT2023

Green Holographic MIMO Communications With A Few Transmit Radio Frequency Chains

Shuaishuai Guo, Jia Ye, Kaiqian Qu +1

Holographic multiple-input multiple-output (MIMO) communications are widely recognized as a promising candidate for the next-generation air interface. With holographic MIMO surface…

eess.SP2023★ 4 cited

Near-Field Integrated Sensing and Communication: Performance Analysis and Beamforming Design

Kaiqian Qu, Shuaishuai Guo, Nasir Saeed

This paper explores the potential of near-field beamforming (NFBF) in integrated sensing and communication (ISAC) systems with extremely large-scale arrays (XL-arrays). The large-s…

eess.SP2023★ 2 cited

Privacy and Security in Ubiquitous Integrated Sensing and Communication: Threats, Challenges and Future Directions

Kaiqian Qu, Jia Ye, Xuran Li +1

Integrated sensing and communication (ISAC) technology is one of the featuring technologies of the next-generation communication systems. When sensing capability becomes ubiquitous…

eess.SP2023★ 2 cited

Near-Field Integrated Sensing and Communications: Unlocking Potentials and Shaping the Future

Kaiqian Qu, Shuaishuai Guo, Jia Ye +1

The sixth generation (6G) communication networks are featured by integrated sensing and communications (ISAC), revolutionizing base stations (BSs) and terminals. Additionally, in t…

cs.IT2023★ 32 cited

Beamspace Modulation for Near Field Capacity Improvement in XL-MIMO Communications

Shuaishuai Guo, Kaiqian Qu

The spatial degrees of freedom (DoFs) greatly increase in the near-field region of millimeter wave or terahertz multiple-input multiple-output communications with extremely large a…