IEEE Consumer Electronics Magazine - January/February 2020 - 49

Feature Article: Smart Home Healthcare

Quality of Experience of
Smart-Wearables: From
Fitness-Bands to
Smartwatches
Debajyoti Pal, Anuchart Tassanaviboon,
Chonlameth Arpnikanondt, and
Borworn Papasratorn
King Mongkut's University of Technology Thonburi
Abstract-Of late, there has been a steep rise in the smart-wearable market. To continue
this growth, it is necessary to maintain a certain level of quality of experience (QoE) as
perceived by the end-users. This article attempts to create a QoE model based upon the
end-user perception of using smartwatches and fitness-trackers. The QoE is evaluated
from a dual perspective of the quality of data (QoD) and the quality of information (QoI)
collected from these smart-wearables. QoD gives a measure of the data accuracy and
precision, while QoI is representative of the information quality obtained after doing
analytics on the collected data. A total of 20 participants are involved in a subjective
experiment, which uses five different types of wearables for the purpose of QoE evaluation.

& FROM 2019 TO 2023, the smartwatch and
fitness-tracker market is expected to show an
annual growth rate of 4.4%.1 As per a survey
by PricewaterhouseCoopers, smart-wearables
being a prime example of an innovative IoT product are expected to change peoples' life in a positive way.2

Digital Object Identifier 10.1109/MCE.2019.2941462
Date of current version 6 December 2019.

January/February 2020

Traditionally, QoE has been one of the most
common and popular ways for determining the
end-user satisfaction levels for a variety of applications.3, 4 Since the IoT ecosystem presents us
with different types of devices, heterogeneous
technologies and standards, hence, quality evaluation becomes very important to guarantee
user satisfaction.5-8
Most of the extant research focuses on
the smart-wearable accuracy characteristics,
either in a laboratory environment,9 or

Published by the IEEE Consumer Electronics Society

2162-2248 ß 2019 IEEE

49



IEEE Consumer Electronics Magazine - January/February 2020

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