469 citations · 3.4k across the 163 of their papers we have counts for
21 papers · 1 filter
Antenna Selection in MIMO Non-orthogonal Multiple Access Systems
Yuehua Yu, He Chen, Yonghui Li +3
This paper considers the joint antenna selection (AS) problem for a classical two-user MIMO non-orthogonal multiple access (NOMA) system, where both the base station (BS) and users…
Fountain Code-Inspired Channel Estimation for Multi-user Millimeter Wave MIMO Systems
Matthew Kokshoorn, He Chen, Yonghui Li +1
This paper develops a novel channel estimation approach for multi-user millimeter wave (mmWave) wireless systems with large antenna arrays. By exploiting the inherent mmWave channe…
Sub-channel and Power Allocation for Non-orthogonal Multiple Access Relay Networks with Amplify-and-Forward Protocol
Shuhang Zhang, Boya Di, Lingyang Song +1
In this paper, we study the resource allocation problem for a single-cell non-orthogonal multiple access (NOMA) relay network where an OFDM amplify-and-forward (AF) relay allocates…
Cost Efficiency for Economical Mobile Data Traffic Management from Users' Perspective
Jinghuan Ma, Lingyang Song, Yonghui Li
Explosive demand for wireless internet services has posed critical challenges for wireless network due to its limited capacity. To tackle this hurdle, wireless Internet service pro…
Random Multiple Access for M2M Communications with QoS Guarantees
Rana Abbas, Mahyar Shirvanimoghaddam, Yonghui Li +1
We propose a novel random multiple access (RMA) scheme with quality of service (QoS) guarantees for machine-to-machine (M2M) communications. We consider a slotted uncoordinated dat…
Resource Management in Non-orthogonal Multiple Access Networks for 5G and Beyond
Lingyang Song, Yonghui Li, Zhiguo Ding +1
Non-orthogonal multiple access (NOMA) schemes have been proposed for the next generation of mobile communication systems to improve the access efficiency by allowing multiple users…
Cooperative Strategies for Wireless-Powered Communications: An Overview
He Chen, Chao Zhai, Yonghui Li +1
Radio frequency (RF) energy transfer and harvesting has been intensively studied recently as a promising approach to significantly extend the lifetime of energy-constrained wireles…
Exploiting Energy Accumulation Against Co-channel Interference in Wireless Energy Harvesting MIMO Relaying
Yifan Gu, He Chen, Yonghui Li +1
This paper investigates a three-node multiple-input multiple-output relay system suffering from co-channel interference (CCI) at the multi-antenna relay. Contrary to the convention…
Antenna Selection for MIMO-NOMA Networks
Yuehua Yu, He Chen, Yonghui Li +2
This paper considers the joint antenna selection (AS) problem for a classical two-user non-orthogonal multiple access (NOMA) network where both the base station and users are equip…
RACE: A Rate Adaptive Channel Estimation Approach for Millimeter Wave MIMO Systems
Matthew Kokshoorn, He Chen, Yonghui Li +1
In this paper, we consider the channel estimation problem in Millimeter wave (mmWave) wireless systems with large antenna arrays. By exploiting the inherent sparse nature of the mm…
Sub-channel Assignment, Power Allocation and User Scheduling for Non-Orthogonal Multiple Access Networks
Boya Di, Lingyang Song, Yonghui Li
In this paper, we study the resource allocation and user scheduling problem for a downlink nonorthogonal multiple access network where the base station allocates spectrum and power…
Non-Uniform Linear Antenna Array Design and Optimization for Millimeter Wave Communications
Peng Wang, Yonghui Li, Yuexing Peng +2
In this paper, we investigate the optimization of non-uniform linear antenna arrays (NULAs) for millimeter wave (mmWave) line-of-sight (LoS) multiple-input multiple-output (MIMO) c…
Wireless-Powered Two-Way Relaying with Power Splitting-based Energy Accumulation
Yifan Gu, He Chen, Yonghui Li +1
This paper investigates a wireless-powered two-way relay network (WP-TWRN), in which two sources exchange information with the aid of one amplify-and-forward (AF) relay. Contrary t…
Wireless Energy Harvesting Cooperative Communications with Direct Link and Energy Accumulation
Ziyi Li, He Chen, Yonghui Li +1
This paper investigates a wireless energy harvesting cooperative network (WEHCN) consisting of a source, a decode-and-forward (DF) relay and a destination. We consider the relay as…
Accumulate then Forward: An Opportunistic Relaying Protocol for Wireless-Powered Cooperative Communications
Ziyi Li, He Chen, Yifan Gu +2
This paper investigates a wireless-powered cooperative communication network consisting of a source, a destination and a multi-antenna decode-and-forward relay. We consider the rel…
A Low-Complexity Transceiver Design in Sparse Multipath Massive MIMO Channels
Yuehua Yu, Peng Wang, He Chen +2
In this letter, we develop a low-complexity transceiver design, referred to as semi-random beam pairing (SRBP), for sparse multipath massive MIMO channels. By exploring a sparse re…
Analytical Model for Outdoor Millimeter Wave Channels using Geometry-Based Stochastic Approach
Nor Aishah Muhammad, Peng Wang, Yonghui Li +1
The severe bandwidth shortage in conventional microwave bands has spurred the exploration of the millimeter wave (MMW) spectrum for the next revolution in wireless communications.…
Millimeter Wave MIMO Channel Estimation using Overlapped Beam Patterns and Rate Adaptation
Matthew Kokshoorn, He Chen, Peng Wang +2
This paper is concerned with the channel estimation problem in Millimeter wave (mmWave) wireless systems with large antenna arrays. By exploiting the inherent sparse nature of the…
Distributed Power Control in Interference Channels with QoS Constraints and RF Energy Harvesting: A Game-Theoretic Approach
He Chen, Yuanye Ma, Zihuai Lin +2
This paper develops a new distributed power control scheme for a power splitting-based interference channel (IFC) with simultaneous wireless information and power transfer (SWIPT).…
Distributed Multi-Relay Selection in Accumulate-then-Forward Energy Harvesting Relay Networks
Yifan Gu, He Chen, Yonghui Li +1
This paper investigates a wireless-powered cooperative network (WPCN) consisting of one source-destination pair and multiple decode-and-forward (DF) relays. We develop an energy th…
Source and Physical-Layer Network Coding for Correlated Two-Way Relaying
Qiang Huo, Lingyang Song, Yonghui Li +1
In this paper, we study a half-duplex two-way relay channel (TWRC) with correlated sources exchanging bidirectional information. In the case, when both sources have the knowledge o…