219 citations · 917 across the 84 of their papers we have counts for
64 papers · 1 filter
MLE-based Device Activity Detection under Rician Fading for Massive Grant-free Access with Perfect and Imperfect Synchronization
Wang Liu, Ying Cui, Feng Yang +2
Most existing studies on massive grant-free access, proposed to support massive machine-type communications (mMTC) for the Internet of things (IoT), assume Rayleigh fading and perf…
Analysis and Optimization of A Double-IRS Cooperatively Assisted System with A Quasi-Static Phase Shift Design
Gengfa Ding, Feng Yang, Lianghui Ding +1
The analysis and optimization of single intelligent reflecting surface (IRS)-assisted systems have been extensively studied, whereas little is known regarding multiple-IRS-assisted…
Rate Splitting for General Multicast
Lingzhi Zhao, Ying Cui, Sheng Yang +3
Immersive video, such as virtual reality (VR) and multi-view videos, is growing in popularity. Its wireless streaming is an instance of general multicast, extending conventional un…
An Optimization Framework for General Rate Splitting for General Multicast
Lingzhi Zhao, Ying Cui, Sheng Yang +1
Immersive video, such as virtual reality (VR) and multi-view videos, is growing in popularity. Its wireless streaming is an instance of general multicast, extending conventional un…
Device Activity Detection for Massive Grant-Free Access Under Frequency-Selective Rayleigh Fading
Yuhang Jia, Ying Cui, Wuyang Jiang
Device activity detection and channel estimation for massive grant-free access under frequency-selective fading have unfortunately been an outstanding problem. This paper aims to a…
Statistical Device Activity Detection for OFDM-based Massive Grant-Free Access
Yuhang Jia, Ying Cui, Wuyang Jiang
Existing works on grant-free access, proposed to support massive machine-type communication (mMTC) for the Internet of things (IoT), mainly concentrate on narrow band systems under…
Robust Optimization of Instantaneous Beamforming and Quasi-static Phase Shifts in an IRS-assisted Multi-Cell Network
Yuhang Jia, Ying Cui, Wuyang Jiang
The impacts of channel estimation errors, inter-cell interference, phase adjustment cost, and computation cost on an intelligent reflecting surface (IRS)-assisted system are severe…
Low-complexity Robust Optimization for an IRS-assisted Multi-Cell Network
Yuhang Jia, Wuyang Jiang, Ying Cui
The impacts of channel estimation errors, inter-cell interference, phase adjustment cost, and computation cost on an intelligent reflecting surface (IRS)-assisted system are severe…
Joint Optimization of Preamble Selection and Access Barring for Random Access in MTC with General Device Activities
Wang Liu, Ying Cui, Feng Yang +2
Most existing random access schemes for machine-type communications (MTC) simply adopt a uniform preamble selection distribution, irrespective of the underlying device activity dis…
ML and MAP Device Activity Detections for Grant-Free Massive Access in Multi-Cell Networks
Dongdong Jiang, Ying Cui
Device activity detection is one main challenge in grant-free massive access, which is recently proposed to support massive machine-type communications (mMTC). Existing solutions f…
Joint Optimization of Preamble Selection and Access Barring for MTC with Correlated Device Activities
Wang Liu, Ying Cui, Lianghui Ding +4
Most existing works on random access for machine-type communication (MTC) assume independent device activities. However, in several Internet-of-Things (IoT) applications, device ac…
Optimal Streaming of 360 VR Videos with Perfect, Imperfect and Unknown FoV Viewing Probabilities
Lingzhi Zhao, Ying Cui, Chengjun Guo +1
In this paper, we investigate wireless streaming of multi-quality tiled 360 virtual reality (VR) videos from a multi-antenna server to multiple single-antenna users in a multi-carr…
Optimal Wireless Streaming of Multi-Quality 360 VR Video by Exploiting Natural, Relative Smoothness-enabled and Transcoding-enabled Multicast Opportunities
Kaixuan Long, Ying Cui, Chencheng Ye +1
In this paper, we would like to investigate optimal wireless streaming of a multi-quality tiled 360 virtual reality (VR) video from a server to multiple users. To this end, we prop…
Joint Optimal Software Caching, Computation Offloading and Communications Resource Allocation for Mobile Edge Computing
Wanli Wen, Ying Cui, Tony Q. S. Quek +2
As software may be used by multiple users, caching popular software at the wireless edge has been considered to save computation and communications resources for mobile edge comput…
Jointly Sparse Support Recovery via Deep Auto-encoder with Applications in MIMO-based Grant-Free Random Access for mMTC
Wanqing Zhang, Shuaichao Li, Ying Cui
In this paper, a data-driven approach is proposed to jointly design the common sensing (measurement) matrix and jointly support recovery method for complex signals, using a standar…
Rate Splitting for Multi-Antenna Downlink: Precoder Design and Practical Implementation
Zheng Li, Chencheng Ye, Ying Cui +2
Rate splitting (RS) is a potentially powerful and flexible technique for multi-antenna downlink transmission. In this paper, we address several technical challenges towards its pra…
Jointly Sparse Signal Recovery via Deep Auto-Encoder and Parallel Coordinate Descent Unrolling
Shuaichao Li, Wanqing Zhang, Ying Cui
In this paper, utilizing techniques in compressed sensing, parallel optimization and deep learning, we propose a model-driven approach to jointly design the common measurement matr…
ML Estimation and MAP Estimation for Device Activities in Grant-Free Random Access with Interference
Dongdong Jiang, Ying Cui
Device activity detection is one main challenge in grant-free random access, which is recently proposed to support massive access for massive machine-type communications (mMTC). Ex…
Analysis and Optimization of an Intelligent Reflecting Surface-assisted System with Interference
Yuhang Jia, Chencheng Ye, Ying Cui
In this paper, we study an intelligent reflecting surface (IRS)-assisted system where a multi-antenna base station (BS) serves a single-antenna user with the help of a multi-elemen…
Joint Optimization of File Placement and Delivery in Cache-Assisted Wireless Networks with Limited Lifetime and Cache Space
Bojie Lv, Rui Wang, Ying Cui +2
In this paper, the scheduling of downlink file transmission in one cell with the assistance of cache nodes with finite cache space is studied. Specifically, requesting users arrive…
Optimal Transmission of Multi-Quality Tiled 360 VR Video by Exploiting Multicast Opportunities
Kaixuan Long, Ying Cui, Chencheng Ye +1
In this paper, we would like to investigate fundamental impacts of multicast opportunities on efficient transmission of a 360 VR video to multiple users in the cases with and witho…
Optimal Multi-View Video Transmission in OFDMA Systems
Wei Xu, Ying Cui, Zhi Liu +1
In this letter, we study the transmission of a multi-view video (MVV) to multiple users in an Orthogonal Frequency Division Multiple Access (OFDMA) system. To maximally improve tra…
Joint Design of Measurement Matrix and Sparse Support Recovery Method via Deep Auto-encoder
Shuaichao Li, Wanqing Zhang, Ying Cui +2
Sparse support recovery arises in many applications in communications and signal processing. Existing methods tackle sparse support recovery problems for a given measurement matrix…
Analysis and Optimization of Successful Symbol Transmission Rate for Grant-free Massive Access with Massive MIMO
Gang Chen, Ying Cui, Hei Victor Cheng +2
Grant-free massive access is an important technique for supporting massive machine-type communications (mMTC) for Internet-of-Things (IoT). Two important features in grant-free mas…