1.8k citations · 2.7k across the 42 of their papers we have counts for
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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…
Pricing for Reconfigurable Intelligent Surface Aided Wireless Networks: Models and Principles
Yulan Gao, Yue Xiao, Xianfu Lei +5
Owing to the recent advancements of meta-materials and meta-surfaces, the concept of reconfigurable intelligent surface (RIS) has been embraced to meet the spectral- and energy-eff…
New Spectrally Constrained Sequence Sets with Optimal {Periodic} Cross-Correlation
Zhifan Ye, Zhengchun Zhou, Zilong Liu +2
Spectrally constrained sequences (SCSs) play an important role in modern communication and radar systems operating over non-contiguous spectrum. Despite numerous research attempts…
Improved Sparse Vector Code Based on Optimized Spreading Matrix for Short-Packet URLLC in mMTC
Linjie Yang, Pingzhi Fan
Recently, the sparse vector code (SVC) is emerging as a promising solution for short-packet transmission in massive machine type communication (mMTC) as well as ultra-reliable and…
Joint Channel Estimation and Data Detection for Hybrid RIS aided Millimeter Wave OTFS Systems
Muye Li, Shun Zhang, Yao Ge +2
For high mobility communication scenario, the recently emerged orthogonal time frequency space (OTFS) modulation introduces a new delay-Doppler domain signal space, and can provide…
Data-aided Active User Detection with False Alarm Correction in Grant-Free Transmission
Linjie Yang, Pingzhi Fan, Des McLernon +1
In most existing grant-free (GF) studies, the two key tasks, namely active user detection (AUD) and payload data decoding, are handled separately. In this paper, a two-step dataaid…
Grant-Free Transmission by LDPC Matrix Mapping and Integrated Cover-MPA Detector
Linjie Yang, Pingzhi Fan, Li Li +2
In this paper, a novel transceiver architecture is proposed to simultaneously achieve efficient random access and reliable data transmission in massive IoT networks. At the transmi…
Off-Network Communications For Future Railway Mobile Communication Systems: Challenges and Opportunities
Jiewen Hu, Gang Liu, Yongbo Li +5
GSM-R is predicted to be obsoleted by 2030, and a suitable successor is needed. Defined by the International Union of Railways (UIC), the Future Railway Mobile Communication System…
Min-Max Latency Optimization Based on Sensed Position State Information in Internet of Vehicles
Pengzun Gao, Long Zhao, Kan Zheng +1
The dual-function radar communication (DFRC) is an essential technology in Internet of Vehicles (IoV). Consider that the road-side unit (RSU) employs the DFRC signals to sense the…
Low Ambiguity Zone: Theoretical Bounds and Doppler-Resilient Sequence Design in Integrated Sensing and Communication Systems
Zhifan Ye, Zhengchun Zhou, Pingzhi Fan +3
In radar sensing and communications, designing Doppler resilient sequences (DRSs) with low ambiguity function for delay over the entire signal duration and Doppler shift over the e…