Energy-Efficient Bit Allocation for Resolution-Adaptive ADC in Multiuser Large-Scale MIMO Systems
We consider uplink multiuser wireless communications systems, where the base station (BS) receiver is equipped with a large-scale antenna array and resolution […]
A Throughput and Energy Efficiency Scheme for Unlicensed Massive Machine Type Communications
In this paper, the throughput and energy efficiency of an unlicensed machine type communications network is studied. If an outage event happens […]
Improving the Energy Efficiency of a LoRaWAN by a UAV-based Gateway
The Internet of Things (IoT) devices and applications are spreading all over around us to become the cardiovascular infrastructure for the data […]
Performance optimization in IoT-based next-generation wireless sensor networks
In this paper, we propose a novel framework for performance optimization in Internet of Things (IoT)-based next-generation wireless sensor networks. In particular, […]
Performance Analysis of Hybrid ARQ for Ultra-Reliable Low Latency Communications
Considering an ultra-reliable low latency communication scenario, we assess the trade-off in terms of energy consumption between achieving time diversity through retransmissions […]
Energy Efficiency Fairness for Multi-Pair Wireless-Powered Relaying Systems
We consider a multi-pair amplify-and-forward relay network where the energy-constrained relays adopting the time-switching protocol harvest energy from the radio-frequency signals transmitted […]
Energy-Efficient Multicell Multigroup Multicasting With Joint Beamforming and Antenna Selection
This paper studies the energy efficiency and sum rate tradeoff for coordinated beamforming in multicell multiuser multigroup multicast multiple-input single-output systems. We […]
Multigroup Multicast Beamforming and Antenna Selection with Rate-Splitting in Multicell Systems
This paper studies energy-efficient joint coordinated beamforming and antenna selection in multi-cell multi-user multigroup multicast multiple-input single-output systems. We focus on interference-limited […]
Energy-efficient transmission strategies for CoMP downlink—overview, extension, and numerical comparison
This paper focuses on energy-efficient coordinated multi-point (CoMP) downlink in multi-antenna multi-cell wireless communications systems. We provide an overview of transmit beamforming […]
Performance analysis of ultra-reliable short message decode and forward relaying protocols
Machine-type communication (MTC) is a rapidly growing technology which covers a broad range of automated applications and propels the world into a […]