3 citations · 11 across the 73 of their papers we have counts for
20 papers · 1 filter
Model-Order-Adaptive Channel Estimation for AFDM Systems with Fractional Delay and Doppler
Ruizhe Wang, Cunhua Pan, Hong Ren +2
Affine frequency division multiplexing (AFDM) has emerged as a promising waveform for high-mobility communications owing to its ability to exploit multipath diversity. However, cha…
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,…
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…
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…
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,…
Delay-Doppler Diversity Analysis of ODDM Modulation in Satellite Communication Systems
Yu Liu, Cunhua Pan, Tantao Gong +2
Orthogonal delay-Doppler division multiplexing (ODDM) modulation offers a promising solution to the problem of severe Doppler effects in low earth orbit (LEO) satellites communicat…
A Framework for Uplink ISAC Receiver Designs: Performance Analysis and Algorithm Development
Zhiyuan Yu, Hong Ren, Cunhua Pan +3
Uplink integrated sensing and communication (ISAC) systems have recently emerged as a promising research direction, enabling simultaneous uplink signal detection and target sensing…
RIS-Aided Integrated Sensing and Communication Systems under Dual-polarized Channels
Dongnan Xia, Cunhua Pan, Hong Ren +3
This paper considers reconfigurable intelligent surface (RIS)-aided integrated sensing and communication (ISAC) systems under dual-polarized (DP) channels. Unlike the existing ISAC…
Addressing the Mutual Interference in Uplink ISAC Receivers: A Projection Method
Zhiyuan Yu, Hong Ren, Cunhua Pan +4
Dual function radar and communication (DFRC) is a promising research direction within integrated sensing and communication (ISAC), improving hardware and spectrum efficiency by mer…
Transmission Design for XL-RIS-Aided Massive MIMO System with Visibility Regions
Luchu Li, Kangda Zhi, Cunhua Pan
This paper proposes a two-timescale transmission scheme for extremely large-scale (XL)-reconfigurable intelligent surfaces (RIS)-aided massive multi-input multi-output (MIMO) syste…
Active RIS-Aided Massive MIMO With Imperfect CSI and Phase Noise
Zhangjie Peng, Jianchen Zhu, Cunhua Pan +4
Active reconfigurable intelligent surface (RIS) has attracted significant attention as a recently proposed RIS architecture. Owing to its capability to amplify the incident signals…
NMBEnet: Efficient Near-field mmWave Beam Training for Multiuser OFDM Systems Using Sub-6 GHz Pilots
Wang Liu, Cunhua Pan, Hong Ren +3
Combining millimetre-wave (mmWave) communications with an extremely large-scale antenna array (ELAA) presents a promising avenue for meeting the spectral efficiency demands of the…
RIS-assisted Cell-Free Massive MIMO Systems With Two-Timescale Design and Hardware Impairments
Jianxin Dai, Jin Ge, Kangda Zhi +2
Integrating the reconfigurable intelligent surface (RIS) into a cell-free massive multiple-input multiple-output (CF-mMIMO) system is an effective solution to achieve high system c…
Near-Field Multiuser Beam-Training for Extremely Large-Scale MIMO Systems
Wang Liu, Cunhua Pan, Hong Ren +3
Extremely large-scale multiple-input multiple-output (XL-MIMO) systems are capable of improving spectral efficiency by employing far more antennas than conventional massive MIMO at…
Secure MIMO Communication Relying on Movable Antennas
Jun Tang, Cunhua Pan, Yang Zhang +2
This paper considers a movable antenna (MA)-aided secure multiple-input multiple-output (MIMO) communication system consisting of a base station (BS), a legitimate information rece…
OTFS vs OFDM: Which is Superior in Multiuser LEO Satellite Communications
Yu Liu, Ming Chen, Cunhua Pan +3
Orthogonal time frequency space (OTFS) modulation, a delay-Doppler (DD) domain communication scheme exhibiting strong robustness against the Doppler shifts, has the potentials to b…
Channel Estimation for mmWave MIMO-OFDM Systems in High-Mobility Scenarios: Instantaneous Model or Statistical Model?
Ruizhe Wang, Hong Ren, Cunhua Pan +3
Classical linear statistical models, like the first-order auto-regressive (AR) model, are commonly used as channel model in high-mobility scenarios. However, compared to sub-6G, th…
Quantized RIS-aided mmWave Massive MIMO Channel Estimation with Uniform Planar Arrays
Ruizhe Wang, Hong Ren, Cunhua Pan +3
In this paper, we investigate a cascaded channel estimation method for a millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) system aided by a reconfigurable int…
Resource Allocation for RIS-Empowered Wireless Communications: Low-Complexity and Robust Designs
Ming Zeng, Wanming Hao, Zhangjie Peng +4
This article delves into advancements in resource allocation techniques tailored for systems utilizing reconfigurable intelligent surfaces (RIS), with a primary focus on achieving…
FAS-assisted NOMA Short-Packet Communication Systems
Jianchao Zheng, Tuo Wu, Xiazhi Lai +3
In this paper, we investigate a fluid antenna system (FAS)-assisted downlink non-orthogonal multiple access (NOMA) for short-packet communications. The base station (BS) adopts a s…