Wireless Charger Networking for Mobile Devices: Fundamentals, Standards, and Applications
Xiao Lu, Dusit Niyato, Ping Wang, Dong In Kim, and Zhu Han

TL;DR
This paper reviews wireless charging fundamentals and standards, introduces a novel wireless charger networking concept, and demonstrates its application in optimizing user-charger assignment to reduce costs.
Contribution
It proposes a new wireless charger networking system that enhances communication and control among chargers, improving user experience and operational efficiency.
Findings
Wireless charger network reduces user costs in device charging.
The system improves information collection and control among chargers.
Application demonstrates practical benefits in user-charger assignment.
Abstract
Wireless charging is a technique of transmitting power through an air gap to an electrical device for the purpose of energy replenishment. Recently, the wireless charging technology has been significantly advanced in terms of efficiency and functionality. This article first presents an overview and fundamentals of wireless charging. We then provide the review of standards, i.e., Qi and Alliance for Wireless Power (A4WP), and highlight on their communication protocols. Next, we propose a novel concept of wireless charger networking which allows chargers to be connected to facilitate information collection and control. We demonstrate the application of the wireless charger network in user-charger assignment, which clearly shows the benefit in terms of reduced cost for users to identify the best chargers to replenish energy for their mobile devices.
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Taxonomy
TopicsEnergy Harvesting in Wireless Networks · Wireless Power Transfer Systems · Electric Vehicles and Infrastructure
