Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Wireless Charger Networking for Mobile Devices: Fundamentals, Standards,
  and Applications   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.

37
The categories of this paper are: supr-con
31
The categories of this paper are: ao-sci
20
The categories of this paper are: acc-phys
26
The categories of this paper are: bayes-an
18
The categories of this paper are: econ
11
The categories of this paper are: hep-lat
16
The categories of this paper are: stat
0
The categories of this paper are: hep-ph
36
The categories of this paper are: cmp-lg
33
The categories of this paper are: plasm-ph
2
The categories of this paper are: math
29
The categories of this paper are: funct-an
10
The categories of this paper are: q-bio
24
The categories of this paper are: dg-ga
27
The categories of this paper are: comp-gas
15
The categories of this paper are: nucl-ex