activity
20152026
most citedAn Overview of Signal Processing Techniques for RIS/IRS-aided Wireless Systems

792 citations · 2.7k across the 111 of their papers we have counts for

collaborators

119 papers

eess.SP2026

Practical Hardware-Efficient ISAC: Enabling Multi-Target Sensing With Few RF Chains

Zhenkun Zhang, Cunhua Pan, Hong Ren +3

Hybrid analog--digital arrays reduce hardware cost in integrated sensing and communications (ISAC), but spatial compression and beam-dependent scan responses complicate multi-targe…

eess.SP2026

Adaptive Antenna Element Activation for Multiuser Uniform Spherical Arrays

Ao Li, Cunhua Pan, Wang Liu +2

Uniform spherical arrays provide full-space coverage. However, owing to directional element patterns, full-array transmission activates many elements that contribute little to a gi…

cs.IT2026

AFDM-ISAC With Fractional Delay-Doppler Coupling

Shaohua Li, Cunhua Pan, Hong Ren +2

Affine frequency division multiplexing (AFDM) is a promising chirp-based multicarrier waveform for high-mobility integrated sensing and communication (ISAC). Accurate angle, delay,…

eess.SP2026

A Measurement-Based Parameterization of Physics Reflection Models for Terahertz Communication

Taihao Zhang, Chenzhou Lin, Cunhua Pan +6

The accurate modeling of reflection coefficients is pivotal for developing reliable channel models in emerging terahertz (THz) communications. This study establishes a 300400…

quant-ph2026

Coverage Analysis of Rydberg Atom Quantum Receiver Arrays: A Stochastic Geometry Approach

Dongnan Xia, Cunhua Pan, Hong Ren +3

Rydberg atomic quantum receivers (RAQRs) offer quantum-limited sensitivity and broadband tunability. It is not obvious whether this device-level advantage also improves network rel…

eess.SP2026

CAT-MoEformer: Context-Aware Temporal MoE Transformer for Beam Prediction

Changkai Zhou, Cunhua Pan, Hong Ren +1

This paper proposes CAT-MoEformer, a context-aware transformer with scene-conditioned mixture-of-experts (MoE) feed-forward networks, for proactive mmWave beam prediction from comp…

eess.SP2026

Channel Estimation for Beyond Diagonal RIS-Aided Multi-User mmWave Systems

Linyu Peng, Tian Qiu, Cunhua Pan +3

Beyond diagonal reconfigurable intelligent surface (BD-RIS) represents a promising architecture for advancing millimeter-wave (mmWave) communications. However, its intricate inter-…

cs.IT2026

Near-field Channel Estimation for XL-RIS-aided mmWave MIMO Systems

Erkang Dong, Taihao Zhang, Cunhua Pan +2

Extremely large-scale reconfigurable intelligent surfaces (XL-RISs) have emerged as a promising technology for millimeter-wave (mmWave) communications. However, the exceedingly lar…

eess.SP2026

CRS-LLM: Cooperative Beam Prediction with a GPT-Style Backbone and Switch-Gated Fusion

Fangzhi Li, Cunhua Pan, Hong Ren +2

Millimeter-wave (mmWave) communication depends on highly directional beamforming, while fast mobility, blockage, and rapid geometry changes in vehicle-to-everything (V2X) scenarios…

eess.SP2026

Robust Cross-Domain WiFi Fall Detection via Physics-Driven Attention-Enhanced Transformers

Yingzhe Wang, Cunhua Pan, Ruijing Liu +4

Device-free fall detection utilizing WiFi Channel State Information (CSI) has emerged as a promising, privacy-preserving solution for elderly health monitoring in the Internet of T…

eess.SP2026

Ground Reflection-Aided TomoSAR Imaging with 5G NR Signals

Qiuyuan Yang, Cunhua Pan, Hong Ren +1

Tomographic synthetic aperture radar (TomoSAR) enables three-dimensional imaging by resolving targets along the elevation dimension, which is essential for environment reconstructi…

eess.SP2026

Spherical Antenna Arrays for Future Communications: Principles, Applications, and Research Directions

Cunhua Pan, Xianzhe Chen, Hong Ren +1

With the development of 6G technologies, traditional uniform linear arrays (ULAs) and uniform planar arrays (UPAs) can hardly meet the demands of three-dimensional (3D) full-space…

eess.SP2026

A BEV-Fusion Based Framework for Sequential Multi-Modal Beam Prediction in mmWave Systems

Jiaming Zeng, Cunhua Pan, Haoyang Weng +3

Beam prediction is critical for reducing beam-training overhead in millimeter-wave (mmWave) systems, especially in high-mobility vehicular scenarios. This paper presents a BEV-Fusi…

cs.IT2026

Tensor Train Decomposition-based Channel Estimation for MIMO-AFDM Systems with Fractional Delay and Doppler

Ruizhe Wang, Cunhua Pan, Hong Ren +2

Affine Frequency Division Multiplexing (AFDM) has emerged as a promising chirp-based multicarrier technology for high-speed communication systems. To fully exploit the diversity ga…

eess.SP2026

Subspace Fusion Sensing for Cooperative ISAC

Yining Xu, Cunhua Pan, Jun Tang +2

This paper proposes a subspace fusion sensing algorithm for cooperative integrated sensing and communication. First, we stack the received signals from access points (APs) into a t…

cs.CV2025

WiFi-based Cross-Domain Gesture Recognition Using Attention Mechanism

Ruijing Liu, Cunhua Pan, Jiaming Zeng +4

While fulfilling communication tasks, wireless signals can also be used to sense the environment. Among various types of sensing media, WiFi signals offer advantages such as widesp…

cs.IT2025

A Cyclic Shift Embedded Pilot based Channel Estimation for Multi-User MIMO-OTFS systems with fractional delay and Doppler

Ruizhe Wang, Hong Ren, Cunhua Pan +2

Orthogonal time frequency space (OTFS) modulation has been proposed to meet the demand for reliable communication in high-mobility scenarios for future wireless networks. However,…

eess.SP2025

Channel Estimation for RIS-Aided MU-MIMO mmWave Systems with Direct Channel Links

Taihao Zhang, Zhendong Peng, Cunhua Pan +2

In this paper, we propose a three-stage unified channel estimation strategy for reconfigurable intelligent surface (RIS)-aided multi-user (MU) multiple-input multiple-output (MIMO)…

eess.SP2025

Theoretical and Empirical Study of Spatial Power Focusing Effect for Sparse Arrays at Terahertz Band

Yongchao He, Taihao Zhang, Cunhua Pan +5

This work investigates the spatial power focusing effect for large-scale sparse arrays at terahertz (THz) band, combining theoretical analysis with experimental validation. Specifi…

eess.SP2025

A Two-Stage ISAC Framework for Low-Altitude Economy Based on 5G NR Signals

Haisu Wu, Hong Ren, Cunhua Pan +5

The evolution of next-generation wireless networks has spurred the vigorous development of the low-altitude economy (LAE). To support this emerging field while remaining compatible…

eess.SP2025

4D Imaging in ISAC Systems: A Framework Based on 5G NR Downlink Signals

Haoyang Weng, Haisu Wu, Hong Ren +2

Integrated sensing and communication (ISAC) has emerged as a key enabler for sixth-generation (6G) wireless networks, supporting spectrum sharing and hardware integration. Beyond c…

eess.SP2025

UAV SAR Imaging with 5G NR OFDM Signals in NLOS Environments

Qiuyuan Yang, Cunhua Pan, Ruidong Li +4

The integration of sensing and communication (ISAC) has significant potential for future wireless systems, enabling efficient spectrum utilization and novel application scenarios.…

eess.SY2025

Cooperative ISAC for LAE: Joint Trajectory Planning, Power allocation, and Dynamic Time Division

Fangzhi Li, Zhichu Ren, Cunhua Pan +4

To enhance the performance of aerial-ground networks, this paper proposes an integrated sensing and communication (ISAC) framework for multi-UAV systems. In our model, ground base…

eess.SP2025

Mutual Coupling Aware Channel Estimation for RIS-Aided Multi-User mmWave Systems

Tian Qiu, Ruidong Li, Cunhua Pan +4

This paper proposes a three-stage uplink channel estimation protocol for reconfigurable intelligent surface (RIS)-aided multi-user (MU) millimeter-wave (mmWave) multiple-input sing…