1 citations · 1 across the 24 of their papers we have counts for
26 papers
A Low-Complexity Message-Passing Receiver for FTN-WAFT under Nonlinear Distortion
Xianle Dai, Qu Luo, Jianguo Li +4
This letter proposes a faster-than-Nyquist (FTN) weighted affine Fourier transform (WAFT) transmission scheme, termed FTN-WAFT, which combines the peak-to-average power ratio (PAPR…
Joint Chirp Parameter Selection and Low-Complexity MMSE Receiver Design for AFDM Systems
Ruiyuan Mao, Qu Luo, Jianguo Li +5
Affine frequency division multiplexing (AFDM) has emerged as a promising waveform against doubly selective channels under high-mobility communication scenarios. Optimal chirp param…
AFDM-FTN: A Spectrally Efficient Waveform for High-Mobility Communications
Xianle Dai, Qu Luo, Jianguo Li +4
This paper proposes an affine frequency division multiplexing (AFDM)-aided faster-than-Nyquist (FTN) waveform, termed AFDM-FTN, to enhance spectral efficiency (SE) in high-mobility…
Frame-Based AFDM-ISAC Waveform Design With Chirp-Enabled Pulse Compression
Qu Luo, Zilong Liu, Musavian Leila +3
This paper proposes an Affine frequency division multiplexing (AFDM)-empowered integrated sensing and communications (ISAC) design, referred to as AFDM-ISAC. We first design a nove…
Spatially Coupled Sparse Code Multiple Access (SC-SCMA): A Spectral Graph Approach
Yiming Gui, Zilong Liu, Qu Luo +1
This paper presents a spatially coupled sparse code multiple access (SC-SCMA) framework to overcome the performance and scalability limitations of conventional SCMA systems. By ana…
Beyond the RF Paradigm: Rydberg Atomic Receivers for Next-Generation IoT
Qihao Peng, Qu Luo, Dongnan Xia +11
Next-generation Internet-of-Things (IoT) is evolving toward a ubiquitous, ultra-low-power, and multi-band heterogeneous networking paradigm that seamlessly integrates terrestrial,…
Signal-Dependent Shot Noise Modeling of Rydberg Atomic Quantum Receivers: A Design Perspective
Qihao Peng, Qu Luo, Tierui Gong +8
In this paper, we develop a communication-oriented complex baseband equivalent model for superheterodyne Rydberg atomic quantum receivers (RAQRs). The model explicitly captures pho…
Uplink SCMA-empowered Uncoordinated Random Access for Future mMTC
Pengyu Gao, Qu Luo, Jing Zhu +3
In this paper, a novel uncoordinated random access (URA) protocol is presented to address the pressing demand for massive connectivity with low access latency in future massive mac…
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…
Hybrid Generative Semantic and Bit Communications in Satellite Networks: Trade-offs in Latency, Generation Quality, and Computation
Chong Huang, Gaojie Chen, Jing Zhu +4
As satellite communications play an increasingly important role in future wireless networks, the issue of limited link budget in satellite systems has attracted significant attenti…
Joint Beamforming and Position Optimization for FIRES-NOMA Assisted Wireless Communication Systems
Yu Liu, Qu Luo, Gaojie Chen +4
To address the limitations of conventional reconfigurable intelligent surfaces (RIS) in spatial control capability, this paper proposes a fluid integrated reflecting and emitting s…
Widely Linear Augmented Extreme Learning Machine Based Impairments Compensation for Satellite Communications
Yang Luo, Arunprakash Jayaprakash, Gaojie Chen +3
Satellite communications are crucial for the evolution beyond fifth-generation networks. However, the dynamic nature of satellite channels and their inherent impairments present si…
Advanced Codebook Design for SCMA-aided NTNs With Randomly Distributed Users
Tianyang Hu, Qu Luo, Lixia Xiao +3
In this letter, a novel class of sparse codebooks is proposed for sparse code multiple access (SCMA) aided non-terrestrial networks (NTN) with randomly distributed users characteri…
Amplitude-Domain Reflection Modulation for Active RIS-Assisted Wireless Communications
Jing Zhu, Qu, Luo +5
In this paper, we propose a novel active reconfigurable intelligent surface (RIS)-assisted amplitude-domain reflection modulation (ADRM) transmission scheme, termed as ARIS-ADRM. T…
Joint Sparse Graph for Enhanced MIMO-AFDM Receiver Design
Qu Luo, Jing Zhu, Zilong Liu +4
Affine frequency division multiplexing (AFDM) is a promising chirp-assisted multicarrier waveform for future high-mobility communications. This paper is devoted to enhanced receive…
Single Sparse Graph Enhanced Expectation Propagation Algorithm Design for Uplink MIMO-SCMA
Qu Luo, Jing Zhu, Gaojie Chen +2
Sparse code multiple access (SCMA) and multiple input multiple output (MIMO) are considered as two efficient techniques to provide both massive connectivity and high spectrum effic…
Joint Location and Velocity Estimation and Fundamental CRLB Analysis for Cell-Free MIMO-ISAC
Guoqing Xia, Pei Xiao, Qu Luo +3
This paper presents a fundamental performance analysis of joint location and velocity estimation in a cell-free (CF) MIMO integrated sensing and communication (ISAC) system. Unlike…
Phase Noise Resilient Codebook Design for Sparse Code Multiple Access
Haibo Liu, Qu Luo, Zilong Liu +3
Sparse code multiple access (SCMA) is a promising technique for future machine type communication systems due to its superior spectral efficiency and capability for supporting mass…
On the Design of Variable Modulation and Adaptive Modulation for Uplink Sparse Code Multiple Access
Qu Luo, Pei Xiao, Gaojie Chen +1
Sparse code multiple access (SCMA) is a promising non-orthogonal multiple access scheme for enabling massive connectivity in next generation wireless networks. However, current SCM…
Advanced Nonlinear SCMA Codebook Design Based on Lattice Constellations
Qu Luo, Jing Zhu, Gaojie Chen +2
The design of efficient sparse codebooks in sparse code multiple access (SCMA) system have attracted tremendous research attention in the past few years. This paper proposes a nove…
STAR-RIS-Enabled Full-Duplex Integrated Sensing and Communication System
Yu Liu, Gaojie Chen, Yun Wen +3
Traditional self-interference cancellation (SIC) methods are common in full-duplex (FD) integrated sensing and communication (ISAC) systems. However, exploring new SIC schemes is i…
QoE-Driven Multi-Task Offloading for Semantic-Aware Edge Computing Systems
Xuyang Chen, Daquan Feng, Wei Jiang +3
Mobile edge computing (MEC) provides low-latency offloading solutions for computationally intensive tasks, effectively improving the computing efficiency and battery life of mobile…
A Progressive Codebook Optimization Scheme for Sparse Code Multiple Access in Downlink Channels
Tuofeng Lei, Qu Luo, Shuyan Ni +3
Sparse code multiple access (SCMA) is a promising technique for enabling massive connectivity and high spectrum efficiency in future machine-type communication networks. However, i…
BER Analysis of SCMA-OFDM Systems in the Presence of Carrier Frequency Offset
Haibo Liu, Qu Luo, Zilong Liu +3
Sparse code multiple access (SCMA) building upon orthogonal frequency division multiplexing (OFDM) is a promising wireless technology for supporting massive connectivity in future…