170 citations · 435 across the 47 of their papers we have counts for
47 papers
OTFS-based Robust MMSE Precoding Design in Over-the-air Computation
Dongkai Zhou, Jing Guo, Siqiang Wang +4
Over-the-air computation (AirComp), as a data aggregation method that can improve network efficiency by exploiting the superposition characteristics of wireless channels, has recei…
When UAVs Meet ISAC: Real-Time Trajectory Design for Secure Communications
Jun Wu, Weijie Yuan, Lajos Hanzo
The real-time unmanned aerial vehicle (UAV) trajectory design of secure integrated sensing and communication (ISAC) is optimized. In particular, the UAV serves both as a downlink t…
Radar Sensing via OTFS Signaling
Kecheng Zhang, Zhongjie Li, Weijie Yuan +2
By multiplexing information symbols in the delay-Doppler (DD) domain, orthogonal time frequency space (OTFS) is a promising candidate for future wireless communication in high-mobi…
On the Pulse Shaping for Delay-Doppler Communications
Shuangyang Li, Weijie Yuan, Zhiqiang Wei +3
In this paper, we study the pulse shaping for delay-Doppler (DD) communications. We start with constructing a basis function in the DD domain following the properties of the Zak tr…
Joint Beam Scheduling and Power Allocation for SWIPT in Mixed Near- and Far-Field Channels
Yunpu Zhang, Changsheng You, Weijie Yuan +2
Extremely large-scale array (XL-array) has emerged as a promising technology to enhance the spectrum efficiency and spatial resolution in future wireless networks, leading to a fun…
Waveform Design for Communication-Assisted Sensing in 6G Perceptive Networks
Fuwang Dong, Fan Liu, Shihang Lu +4
The integrated sensing and communication (ISAC) technique has the potential to achieve coordination gain by exploiting the mutual assistance between sensing and communication (S&C)…
Towards ISAC-Empowered Vehicular Networks: Framework, Advances, and Opportunities
Zhen Du, Fan Liu, Yunxin Li +5
Connected and autonomous vehicle (CAV) networks face several challenges, such as low throughput, high latency, and poor localization accuracy. These challenges severely impede the…
Integrated Sensing and Communications: Recent Advances and Ten Open Challenges
Shihang Lu, Fan Liu, Yunxin Li +11
It is anticipated that integrated sensing and communications (ISAC) would be one of the key enablers of next-generation wireless networks (such as beyond 5G (B5G) and 6G) for suppo…
Deep Learning-empowered Predictive Precoder Design for OTFS Transmission in URLLC
Chang Liu, Shuangyang Li, Weijie Yuan +2
To guarantee excellent reliability performance in ultra-reliable low-latency communications (URLLC), pragmatic precoder design is an effective approach. However, an efficient preco…
Performance of OTFS-NOMA Scheme for Coordinated Direct and Relay Transmission Networks in High-Mobility Scenarios
Yao Xu, Zhen Du, Weijie Yuan +2
In this letter, an orthogonal time frequency space (OTFS) based non-orthogonal multiple access (NOMA) scheme is investigated for the coordinated direct and relay transmission syste…
OTFS-SCMA: A Downlink NOMA Scheme for Massive Connectivity in High Mobility Channels
Haifeng Wen, Weijie Yuan, Zilong Liu +1
This paper studies a downlink system that combines orthogonal-time-frequency-space (OTFS) modulation and sparse code multiple access (SCMA) to support massive connectivity in high-…
ISAC-Enabled V2I Networks Based on 5G NR: How Much Can the Overhead Be Reduced?
Yunxin Li, Fan Liu, Zhen Du +2
The emergence of the fifth-generation (5G) New Radio (NR) brings additional possibilities to vehicle-to-everything (V2X) network with improved quality of services. In order to obta…
Radar Sensing via OTFS Signaling: A Delay Doppler Signal Processing Perspective
Kecheng Zhang, Weijie Yuan, Shuangyang Li +4
The recently proposed orthogonal time frequency space (OTFS) modulation multiplexes data symbols in the delay-Doppler (DD) domain. Since the range and velocity, which can be derive…
Predictive Precoder Design for OTFS-Enabled URLLC: A Deep Learning Approach
Chang Liu, Shuangyang Li, Weijie Yuan +2
This paper investigates the orthogonal time frequency space (OTFS) transmission for enabling ultra-reliable low-latency communications (URLLC). To guarantee excellent reliability p…
Efficient Rate-Splitting Multiple Access for the Internet of Vehicles: Federated Edge Learning and Latency Minimization
Shengyu Zhang, Shiyao Zhang, Weijie Yuan +2
Rate-Splitting Multiple Access (RSMA) has recently found favour in the multi-antenna-aided wireless downlink, as a benefit of relaxing the accuracy of Channel State Information at…
New Delay Doppler Communication Paradigm in 6G era: A Survey of Orthogonal Time Frequency Space (OTFS)
Weijie Yuan, Shuangyang Li, Zhiqiang Wei +4
In the 6G era, space-air-Ground integrated networks (SAGIN) are anticipated to deliver global coverage, necessitating support for a diverse array of emerging applications in high-m…
Deep CLSTM for Predictive Beamforming in Integrated Sensing and Communication-enabled Vehicular Networks
Chang Liu, Xuemeng Liu, Shuangyang Li +2
Predictive beamforming design is an essential task in realizing high-mobility integrated sensing and communication (ISAC), which highly depends on the accuracy of the channel predi…
Orthogonal Time Frequency Space Modulation -- Part III: ISAC and Potential Applications
Weijie Yuan, Zhiqiang Wei, Shuangyang Li +2
The first two parts of this tutorial on orthogonal time frequency space (OTFS) modulation have discussed the fundamentals of delay-Doppler (DD) domain communications as well as som…
Orthogonal Time Frequency Space Modulation -- Part II: Transceiver Designs
Shuangyang Li, Weijie Yuan, Zhiqiang Wei +2
The fundamental concepts and challenges of orthogonal time frequency space (OTFS) modulation have been reviewed in Part I of this three-part tutorial. In this second part, we provi…
Orthogonal Time Frequency Space Modulation -- Part I: Fundamentals and Challenges Ahead
Zhiqiang Wei, Shuangyang Li, Weijie Yuan +2
This letter is the first part of a three-part tutorial on orthogonal time frequency space (OTFS) modulation, which is a promising candidate waveform for future wireless networks. T…
Vehicular Connectivity on Complex Trajectories: Roadway-Geometry Aware ISAC Beam-tracking
Xiao Meng, Fan Liu, Christos Masouros +3
In this paper, we propose sensing-assisted beamforming designs for vehicles on arbitrarily shaped roads by relying on integrated sensing and communication (ISAC) signalling.Specifi…
On the Fundamental Tradeoff of Integrated Sensing and Communications Under Gaussian Channels
Yifeng Xiong, Fan Liu, Yuanhao Cui +3
ISAC is recognized as a promising technology for the next-generation wireless networks, which provides significant performance gains over individual S&C systems via the shared use…
Optimal Precoding Design for Monostatic ISAC Systems: MSE Lower Bound and DoF Completion
Yuanhao Cui, Fan Liu, Weijie Yuan +3
In this letter, we study the parameter estimation performance for monostatic downlink integrated sensing and communications (ISAC) systems. In particular, we analyze the mean squar…
Predictive Beamforming for Integrated Sensing and Communication in Vehicular Networks: A Deep Learning Approach
Chang Liu, Weijie Yuan, Shuangyang Li +3
The implementation of integrated sensing and communication (ISAC) highly depends on the effective beamforming design exploiting accurate instantaneous channel state information (IC…