A Lyapunov optimization approach for green cellular networks with hybrid energy supplies

Y Mao, J Zhang, KB Letaief - IEEE Journal on Selected Areas …, 2015 - ieeexplore.ieee.org
Powering cellular networks with renewable energy sources via energy harvesting (EH) have
recently been proposed as a promising solution for green networking. However, with …

LPGA: Location privacy-guaranteed offloading algorithm in cache-enabled edge clouds

H Ko, H Lee, T Kim, S Pack - IEEE Transactions on Cloud …, 2020 - ieeexplore.ieee.org
The computation offloading, where Internet of Things (IoT) devices transfers their task to an
external cloud, has several advantages such as low energy consumption of IoT devices and …

Spatiotemporal correlation-based environmental monitoring system in energy harvesting Internet of Things (IoT)

H Ko, S Pack, VCM Leung - IEEE Transactions on Industrial …, 2018 - ieeexplore.ieee.org
To provide an accurate environmental map (EM) while avoiding unnecessary transmissions
of Internet of Things (IoT) devices, we propose a spatiotemporal correlation-based …

Energy utilization-aware operation control algorithm in energy harvesting base stations

H Ko, S Pack, VCM Leung - IEEE Internet of Things Journal, 2019 - ieeexplore.ieee.org
Radio frequency (RF) energy transfer has received high attention as a promising technology
for wireless sensor networks (WSNs) due to its flexibility of energy supply. However …

Grid energy consumption and QoS tradeoff in hybrid energy supply wireless networks

Y Mao, J Zhang, KB Letaief - IEEE Transactions on Wireless …, 2016 - ieeexplore.ieee.org
Hybrid energy supply (HES) wireless networks have recently emerged as a new paradigm to
enable green networks, which are powered by both the electric grid and harvested …

A software-defined surveillance system with energy harvesting: Design and performance optimization

H Ko, S Pack - IEEE Internet of Things Journal, 2018 - ieeexplore.ieee.org
Even though energy harvesting is a promising technology for energy-efficient surveillance
systems, energy harvesting levels are highly dynamic depending on the time and location …

Carbon efficiency modeling and optimization of solar-powered cellular networks

Y Zhao, X Ge, W Yan, T Han, Y Zhong - Science China Information …, 2024 - Springer
As wireless communication traffic experiences rapid growth, the carbon emissions caused
by the communication industry are also on the rise. To achieve “carbon neutrality” …

Energy-efficient mode switching mechanism with flexible functional splitting in energy harvesting cloud radio access networks

H Ko, S Pack - IEEE Access, 2018 - ieeexplore.ieee.org
In energy harvesting cloud radio access networks, the sleep mode switching of small radio
remote head (SRRH) and the functional splitting between SRRH and baseband unit are two …

Optimization of base stations density for hybrid energy based 3-D wireless networks

A Omri, MO Hasna - 2017 IEEE International Conference on …, 2017 - ieeexplore.ieee.org
Hybrid energy supply (HES) based wireless communication systems have recently emerged
as a new paradigm to enable green networks, which are powered by both the traditional and …