30 citations · 30 across the 30 of their papers we have counts for
11 papers · 1 filter
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…
Ambiguity-Free Broadband DOA Estimation Relying on Parameterized Time-Frequency Transform
Wei Wang, Shefeng Yan, Linlin Mao +2
An ambiguity-free direction-of-arrival (DOA) estimation scheme is proposed for sparse uniform linear arrays under low signal-to-noise ratios (SNRs) and non-stationary broadband sig…
Generalized Spatial Modulation Aided Affine Frequency Division Multiplexing
Zeping Sui, Zilong Liu, Leila Musavian +2
Generalized spatial modulation-aided affine frequency division multiplexing (GSM-AFDM) is conceived for reliable multiple-input multiple-output (MIMO) communications over doubly se…