20 citations · 40 across the 10 of their papers we have counts for
10 papers
A Unifying View of OTFS and Its Many Variants
Qinwen Deng, Yao Ge, Zhi Ding
High mobility environment leads to severe Doppler effects and poses serious challenges to the conventional physical layer based on the widely popular orthogonal frequency division…
Jamming Suppression Via Resource Hopping in High-Mobility OTFS-SCMA Systems
Qinwen Deng, Yao Ge, Zhi Ding
This letter studies the mechanism of uplink multiple access and jamming suppression in an OTFS system. Specifically, we propose a novel resource hopping mechanism for orthogonal ti…
OTFS Signaling for SCMA With Coordinated Multi-Point Vehicle Communications
Yao Ge, Qinwen Deng, David González G. +2
This paper investigates an uplink coordinated multi-point (CoMP) coverage scenario, in which multiple mobile users are grouped for sparse code multiple access (SCMA), and served by…
Hyperspectral Image Segmentation based on Graph Processing over Multilayer Networks
Songyang Zhang, Qinwen Deng, Zhi Ding
Hyperspectral imaging is an important sensing technology with broad applications and impact in areas including environmental science, weather, and geo/space exploration. One import…
Image Processing via Multilayer Graph Spectra
Songyang Zhang, Qinwen Deng, Zhi Ding
Graph signal processing (GSP) has become an important tool in image processing because of its ability to reveal underlying data structures. Many real-life multimedia datasets, howe…
Signal Processing over Multilayer Graphs: Theoretical Foundations and Practical Applications
Songyang Zhang, Qinwen Deng, Zhi Ding
Signal processing over single-layer graphs has become a mainstream tool owing to its power in revealing obscure underlying structures within data signals. However, many real-life d…
An Efficient Hypergraph Approach to Robust Point Cloud Resampling
Qinwen Deng, Songyang Zhang, Zhi Ding
Efficient processing and feature extraction of largescale point clouds are important in related computer vision and cyber-physical systems. This work investigates point cloud resam…
OTFS Signaling for Uplink NOMA of Heterogeneous Mobility Users
Yao Ge, Qinwen Deng, P. C. Ching +1
We investigate a coded uplink non-orthogonal multiple access (NOMA) configuration in which groups of co-channel users are modulated in accordance with orthogonal time frequency spa…
Point Cloud Resampling Through Hypergraph Signal Processing
Qinwen Deng, Songyang Zhang, Zhi Ding
Three-dimensional (3D) point clouds are important data representations in visualization applications. The rapidly growing utility and popularity of point cloud processing strongly…
Receiver Design for OTFS with Fractionally Spaced Sampling Approach
Yao Ge, Qinwen Deng, P. C. Ching +1
The recent emergence of orthogonal time frequency space (OTFS) modulation as a novel PHY-layer mechanism is more suitable in high-mobility wireless communication scenarios than tra…