30 citations · 30 across the 30 of their papers we have counts for
33 papers
Index Modulation Aided Phase-Rotated AFDM for Efficient Integrated Sensing and Communication: Framework, Optimization and Performance Analysis
Shiqi Cui, Zeping Sui, Tianqi Mao +7
Affine frequency division multiplexing (AFDM) has emerged as a competitive waveform for integrated sensing and communication (ISAC) in high-mobility scenarios, but its data-depende…
Joint PAPR and OOBE Reduction for AFDM via Chirp Parameter Tuning
Vincent Savaux, Hyeon Seok Rou, Zeping Sui +2
This paper addresses the joint reduction of the peak-to-average power ratio (PAPR) and out-of-band emissions (OOBE) in affine frequency division multiplexing (AFDM) systems by sele…
Artificial Intelligence for Spatially Reconfigurable Antennas: Movable, Fluid, and Pinching Antenna Systems
Nguyen Cong Luong, Zeping Sui, Thai-Hoc Vu +10
Recently, sixth-generation (6G) wireless networks have moved beyond fixed-array designs toward antenna architectures that can adapt their spatial configuration to specific environm…
Towards Standardizing Affine Frequency Division Multiplexing (AFDM) for Future Wireless Networks
Qu Luo, Lixia Xiao, Pei Xiao +6
Affine frequency division multiplexing~(AFDM) has emerged as a compelling waveform candidate for future wireless networks, owing to its strong resilience to doubly selective channe…
From Denoising to Decision Making: A Survey on Diffusion Model-Enabled Deep Reinforcement Learning for Wireless Networks
Nguyen Cong Luong, Zeping Sui, Jie Cao +9
Deep reinforcement learning (DRL) has long been a promising solution for sequential resource management in wireless networks. However, conventional DRL methods are fundamentally li…
Adaptive -Perturbed AFDM Waveform Design for Integrated Sensing and Communication
Shiqi Cui, Fan Zhang, Yuanshuo Gang +3
Affine frequency division multiplexing (AFDM) is a promising waveform for integrated sensing and communication (ISAC) systems owing to its superior performance in time--frequency d…
Modulation Feature Enhancement with a Multi-Stage Attention Network for Underwater Acoustic Target Recognition
Jiaping Yu, Shefeng Yan, Linlin Mao +2
Underwater acoustic target recognition is critical for maritime applications, yet it faces challenges arising from the complex and diverse nature of ship-radiated noise. To address…
DAFT-s-AFDM Enabled ISAC Systems: Ambiguity Function Analysis and Waveform Design
Shiqi Cui, Tianqi Mao, Fan Zhang +3
Discrete affine Fourier transform spread affine frequency division multiplexing (DAFT-s-AFDM) is a promising waveform for integrated sensing and communication (ISAC) due to its low…
One-hot Coding-based URA with RFFI-Enabled Message Authentication
Wenbo Fan, Zeping Sui, Yuhei Takahashi +3
Unsourced random access (URA) has emerged as a promising paradigm for enabling massive connectivity in Internet-of-Things (IoT) networks. However, since URA transmissions do not co…
A Novel Low-Complexity Dual-Domain Expectation Propagation Detection Aided AFDM for Future Communications
Qin Yi, Ping Yang, Zilong Liu +3
This paper presents a dual-domain low-complexity expectation propagation (EP) detection framework for affine frequency division multiplexing (AFDM) systems. By analyzing the struct…
Low-Altitude Agentic Networks for Optical Wireless Communication and Sensing: An Oceanic Scenario
Tianqi Mao, Jiayue Liu, Zeping Sui +4
The cross-domain oceanic connectivity ranging from underwater to the sky has become increasingly indispensable for a plethora of data-consuming maritime applications, such as marit…
AFDM: Evolving OFDM Towards 6G+
Hyeon Seok Rou, Vincent Savaux, Zeping Sui +2
As sixth generation (6G) standardization accelerates, there is growing consensus in favor of evolutionary waveforms that add new capabilities while preserving compatibility with th…
OTFS-based Integrated Positioning and Communication Systems with Low-Resolution ADCs
Yueyi Yang, Zeping Sui, Zilong Liu +1
This paper proposes a two-phase orthogonal time frequency space (OTFS)-based integrated positioning and communication (IPAC) framework under realistic low-resolution analog-to-digi…
Incentive Mechanism Design for Resource Management in Satellite Networks: A Comprehensive Survey
Nguyen Cong Luong, Zeping Sui, Duc Van Le +7
Resource management is one of the challenges in satellite networks due to their high mobility, wide coverage, long propagation distances, and stringent constraints on energy, commu…
MIMO-AFDM Outperforms MIMO-OFDM in the Face of Hardware Impairments
Zeping Sui, Zilong Liu, Leila Musavian +3
The impact of both multiplicative and additive hardware impairments (HWIs) on multiple-input multiple-output affine frequency division multiplexing (MIMO-AFDM) systems is investiga…
Two-Stage Distributionally Robust Optimization Framework for Secure Communications in Aerial-RIS Systems
Zhongming Feng, Qiling Gao, Zeping Sui +2
This letter proposes a two-stage distributionally robust optimization (DRO) framework for secure deployment and beamforming in an aerial reconfigurable intelligent surface (A-RIS)…
On the Robustness of AFDM and OTFS Against Passive Eavesdroppers
Vincent Savaux, Hyeon Seok Rou, Zeping Sui +2
We investigate the robustness of affine frequency division multiplexing (AFDM) and orthogonal time frequency space (OTFS) waveforms against passive eavesdroppers performing brute-f…
Optimal Real-time Communication in 6G Ultra-Massive V2X Mobile Networks
He Huang, Zilong Liu, Zeping Sui +4
This paper introduces a novel cooperative vehicular communication algorithm tailored for future 6G ultra-massive vehicle-to-everything (V2X) networks leveraging integrated space-ai…
Distributed Detection and Bandwidth Allocation with Hybrid Quantized and Full-Precision Observations over Multiplicative Fading Channels
Linlin Mao, Zeping Sui, Michail Matthaiou +1
A hybrid detector that fuses both quantized and full-precision observations is proposed for weak signal detection under additive and multiplicative Gaussian noise. We first derive…
Error Rate Analysis and Low-Complexity Receiver Design for Zero-Padded AFDM
Qin Yi, Zeping Sui, Zilong Liu
This paper studies the error rate performance and low-complexity receiver design for zero-padded affine frequency division multiplexing (ZP-AFDM) systems. By exploiting the unique…
Energy Detection over Composite Shadowed Fading Channels with Inverse Gaussian Distribution in Ultra mMTC Networks
He Huang, Zeping Sui, Zilong Liu +4
This paper investigates the characteristics of energy detection (ED) over composite - shadowed fading channels in ultra machine-type communication (mMTC) networks. We have de…
Non-Orthogonal Affine Frequency Division Multiplexing for Spectrally Efficient High-Mobility Communications
Qin Yi, Zilong Liu, Leila Musavian +1
This paper proposes a novel non-orthogonal affine frequency division multiplexing (nAFDM) waveform for reliable high-mobility communications with enhanced spectral efficiency (SE).…
Multi-Functional Chirp Signalling for Next-Generation Multi-Carrier Wireless Networks: Communications, Sensing and ISAC Perspectives
Zeping Sui, Qu Luo, Zilong Liu +6
To meet the increasingly demanding quality-of-service requirements of the next-generation multi-carrier mobile networks, it is essential to design multi-functional signalling schem…
Generalized Tensor-Aided Channel Estimation for Hardware Impaired Device Identification
Qi Wu, Zeping Sui, Hien Quoc Ngo +2
In this paper, we investigate the joint generalized channel estimation and device identification problem in Internet of Things (IoT) networks {under multipath propagation}. To full…