170 citations · 256 across the 36 of their papers we have counts for
8 papers · 1 filter
From OTFS to DD-ISAC: Integrating Sensing and Communications in the Delay Doppler Domain
Weijie Yuan, Lin Zhou, Saeid K. Dehkordi +4
Next-generation vehicular networks are expected to provide the capability of robust environmental sensing in addition to reliable communications to meet intelligence requirements.…
Extended Target Parameter Estimation and Tracking with an HDA Setup for ISAC Applications
Fernando Pedraza, Saeid K. Dehkordi, Jan C. Hauffen +3
We investigate radar parameter estimation and beam tracking with a hybrid digital-analog (HDA) architecture in a multi-block measurement framework using an extended target model. I…
Reduced-Complexity Cross-Domain Iterative Detection for OTFS Modulation via Delay-Doppler Decoupling
Mengmeng Liu, Shuangyang Li, Baoming Bai +1
In this paper, a reduced-complexity cross-domain iterative detection for orthogonal time frequency space (OTFS) modulation is proposed, which exploits channel properties in both ti…
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…
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…
Delay-Doppler Domain Tomlinson-Harashima Precoding for OTFS-based Downlink MU-MIMO Transmissions: Linear Complexity Implementation and Scaling Law Analysis
Shuangyang Li, Jinhong Yuan, Paul Fitzpatrick +2
Orthogonal time frequency space (OTFS) modulation is a recently proposed delay-Doppler (DD) domain communication scheme, which has shown promising performance in general wireless c…
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-…
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…