40 citations · 105 across the 35 of their papers we have counts for
16 papers · 1 filter
Game-Theoretic Optimization for Machine-Type Communications Under QoS Guarantee
Yu Gu, Qimei Cui, Qiang Ye +1
Massive machine-type communication (mMTC) is a new focus of services in fifth generation (5G) communication networks. The associated stringent delay requirement of end-to-end (E2E)…
Energy-Efficient Adaptive Transmission in Machine Type Communications with Delay-Outage Constraints
Linlin Zou, Yanzhao Hou, Xiaofeng Tao +2
In this paper, we propose a novel Adaptive Transmission Strategy to improve energy efficiency~(EE) in a wireless point-to-point transmission system with Quality of Service~(QoS) re…
Accurate Energy-Efficient Power Control for Uplink NOMA Systems under Delay Constraint
Bowen Cai, Yu Chen, Qimei Cui +2
Machine-type communications (MTC) devices in 5G will use the Non-orthogonal multiple access (NOMA) technology for massive connections. These devices switch between the transmission…
Distributed Layered Grant-Free Non-Orthogonal Multiple Access for Massive MTC
Hui Jiang, Qimei Cui, Yu Gu +3
Grant-free transmission is considered as a promising technology to support sporadic data transmission in massive machine-type communications (mMTC). Due to the distributed manner,…
Energy-Efficient Transmission of Hybrid Array with Non-Ideal Power Amplifiers and Circuitry
Yuhao Zhang, Qimei Cui, Wei Ni +1
This paper presents a new approach to efficiently maximizing the energy efficiency (EE) of hybrid arrays under a practical setting of non-ideal power amplifiers (PAs) and non-negli…
Effective Capacity Analysis in Ultra-Dense Wireless Networks with Random Interference
Yu Gu, Qimei Cui, Yu Chen +3
Ultra-dense networks (UDNs) provide a promising paradigm to cope with exponentially increasing mobile traffic. However, little work has to date considered unsaturated traffic with…
Use of Two-Mode Circuitry and Optimal Energy-Efficient Power Control Under Target Delay-Outage Constraints
Jinkun Xu, Yu Chen, Hao Chen +2
An accurate energy efficiency analytical model based on a two-mode circuitry was recently proposed; and the model showed that the use of this circuitry can significantly improve a…
User Association for Offloading in Heterogeneous Network Based on Matern Cluster Process
Yuxuan Xie, Xuefei Zhang, Qimei Cui +1
Future mobile networks are converging toward heterogeneous multi-tier networks, where various classes of base stations (BS) are deployed based on user demand. So it is quite necess…
Energy-aware Adaptive Spectrum Access and Power Allocation in LAA Networks via Lyapunov Optimization
Yu Gu, Qimei Cui, Yue Wang +1
To relieve the traffic burden and improve the system capacity, licensed-assisted access (LAA) has been becoming a promising technology to the supplementary utilization of the unlic…
Optimal Scheduling across Heterogeneous Air Interfaces of LTE/WiFi Aggregation
Yu Gu, Qimei Cui, Wei Ni +2
LTE/WiFi Aggregation (LWA) provides a promising approach to relieve data traffic congestion in licensed bands by leveraging unlicensed bands. Critical challenges arise from provisi…
Energy-efficient resource allocation for hybrid bursty services in multi-relay OFDM networks
Yuhao Zhang, Qimei Cui, Ning Wang +2
In this paper, we propose Mapped Two-way Water Filling (MTWF) scheme to maximize Energy Efficiency (EE) for hybrid bursty services with Quality of Services (QoS) requirements in Tw…
Energy Efficiency Maximization of Full-Duplex Two-Way Relay With Non-Ideal Power Amplifiers and Non-Negligible Circuit Power
Qimei Cui, Yuhao Zhang, Wei Ni +2
In this paper, we maximize the energy efficiency (EE) of full-duplex (FD) two-way relay (TWR) systems under non-ideal power amplifiers (PAs) and non-negligible transmission-depende…
Energy Efficiency Analysis of Heterogeneous Cellular Networks With Extra Cell Range Expansion
Yuhao Zhang, Zhiyan Cui, Qimei Cui +4
The split control and user plane is key to the future heterogeneous cellular network (HCN), where the small cells are dedicated for the most data transmission while the macrocells…
Energy Efficiency Maximization for CoMP Joint Transmission with Non-Ideal Power Amplifiers
Yuhao Zhang, Qimei Cui, Ning Wang
Coordinated multipoint (CoMP) joint transmission (JT) can save a great deal of energy especially for cell-edge users due to strengthened received signal, but at the cost of deployi…
Energy-Efficient User Access Control and Resource Allocation in HCNs with Non-Ideal Circuitry
Yuhao Zhang, Qimei Cui, Ning Wang
In this paper, we study the energy-efficient user access control (UAC) based on resource allocation (RA) in heterogeneous cellular networks (HCNs) with the required downlink data r…
Optimal Pilot Symbols Ratio in terms of Spectrum and Energy Efficiency in Uplink CoMP Networks
Yuhao Zhang, Qimei Cui, Ning Wang
In wireless networks, Spectrum Efficiency (SE) and Energy Efficiency (EE) can be affected by the channel estimation that needs to be well designed in practice. In this paper, consi…