469 citations · 3.4k across the 163 of their papers we have counts for
19 papers · 1 filter
Incentive Mechanism Design for Wireless Energy Harvesting-Based Internet of Things
Zhanwei Hou, He Chen, Yonghui Li +1
Radio frequency energy harvesting (RFEH) is a promising technology to charge unattended Internet of Things (IoT) low-power devices remotely. To enable this, in future IoT system, b…
Short-Packet Two-Way Amplify-and-Forward Relaying
Yifan Gu, He Chen, Yonghui Li +2
This letter investigates an amplify-and-forward two-way relay network (TWRN) for short-packet communications. We consider a classical three-node TWRN consisting of two sources and…
Backscatter Multiplicative Multiple-Access Systems: Fundamental Limits and Practical Design
Wanchun Liu, Ying-Chang Liang, Yonghui Li +1
In this paper, we consider a novel ambient backscatter multiple-access system, where a receiver (Rx) simultaneously detects the signals transmitted from an active transmitter (Tx)…
Ultra-Reliable Short-Packet Communications: Half-Duplex or Full-Duplex Relaying?
Yifan Gu, He Chen, Yonghui Li +1
This letter analyzes and compares the performance of full-duplex relaying (FDR) and half-duplex relaying (HDR) for ultra-reliable short-packet communications. Specifically, we deri…
Iterative Receivers for Downlink MIMO-SCMA: Message Passing and Distributed Cooperative Detection
Weijie Yuan, Nan Wu, Qinghua Guo +3
The rapid development of the mobile communications requires ever higher spectral efficiency. The non-orthogonal multiple access (NOMA) has emerged as a promising technology to furt…
Hypergraph Theory: Applications in 5G Heterogeneous Ultra-Dense Networks
Hongliang Zhang, Lingyang Song, Yonghui Li +1
Heterogeneous ultra-dense network (HUDN) can significantly increase the spectral efficiency of cellular networks and cater for the explosive growth of data traffic in the fifth-gen…
Antenna Selection in MIMO Cognitive Radio-Inspired NOMA Systems
Yuehua Yu, He Chen, Yonghui Li +2
This letter investigates a joint antenna selection (AS) problem for a MIMO cognitive radio-inspired non-orthogonal multiple access (CR-NOMA) network. In particular, a new computati…
Ultra-Reliable Low Latency Cellular Networks: Use Cases, Challenges and Approaches
He Chen, Rana Abbas, Peng Cheng +5
The fifth-generation cellular mobile networks are expected to support mission critical ultra-reliable low latency communication (URLLC) services in addition to the enhanced mobile…
Grant-Free Massive NOMA: Outage Probability and Throughput
Rana Abbas, Mahyar Shirvanimoghaddam, Yonghui Li +1
In this paper, we consider a massive uncoordinated non-orthogonal multiple access (NOMA) scheme where devices have strict latency requirements and no retransmission opportunities a…
V2X Meets NOMA: Non-Orthogonal Multiple Access for 5G Enabled Vehicular Networks
Boya Di, Lingyang Song, Yonghui Li +1
Benefited from the widely deployed infrastructure, the LTE network has recently been considered as a promising candidate to support the vehicle-to-everything (V2X) services. Howeve…
Joint Rate Control and Power Allocation for Non-Orthogonal Multiple Access Systems
Wei Bao, He Chen, Yonghui Li +1
This paper investigates the optimal resource allocation of a downlink non-orthogonal multiple access (NOMA) system consisting of one base station and multiple users. Unlike existin…
Millimeter Wave Communications for Future Mobile Networks
Ming Xiao, Shahid Mumtaz, Yongming Huang +8
Millimeter wave (mmWave) communications have recently attracted large research interest, since the huge available bandwidth can potentially lead to rates of multiple Gbps (gigabit…
Non-orthogonal Multiple Access for High-reliable and Low-latency V2X Communications
Boya Di, Lingyang Song, Yonghui Li +1
In this paper, we consider a dense vehicular communication network where each vehicle broadcasts its safety information to its neighborhood in each transmission period. Such applic…
Full-duplex Amplify-and-Forward Relaying: Power and Location Optimization
Shuai Li, Kun Yang, Mingxin Zhou +4
In this paper, we consider a full-duplex (FD) amplify-and-forward (AF) relay system and optimize its power allocation and relay location to minimize the system symbol error rate (S…
Full-Duplex Cooperative Cognitive Radio Networks with Wireless Energy Harvesting
Rui Zhang, He Chen, Phee Lep Yeoh +2
This paper proposes and analyzes a new full-duplex (FD) cooperative cognitive radio network with wireless energy harvesting (EH). We consider that the secondary receiver is equippe…
A Contract-based Incentive Mechanism for Energy Harvesting-based Internet of Things
Zhanwei Hou, He Chen, Yonghui Li +2
By enabling wireless devices to be charged wirelessly and remotely, radio frequency energy harvesting (RFEH) has become a promising technology to power the unattended Internet of T…
X-duplex Relaying: Adaptive Antenna Configuration
Shuai Li, Mingxin Zhou, Jianjun Wu +3
In this letter, we propose a joint transmission mode and transmit/receive (Tx/Rx) antenna configuration scheme referred to as X-duplex in the relay network with one source, one amp…
On the Performance of X-Duplex Relaying
Shuai Li, Mingxin Zhou, Jianjun Wu +3
In this paper, we study a X-duplex relay system with one source, one amplify-and-forward (AF) relay and one destination, where the relay is equipped with a shared antenna and two r…
Beam-On-Graph: Simultaneous Channel Estimation for mmWave MIMO Systems with Multiple Users
Matthew Kokshoorn, He Chen, Yonghui Li +1
This paper is concerned with the channel estimation problem in multi-user millimeter wave (mmWave) wireless systems with large antenna arrays. We develop a novel simultaneous-estim…