The rapid development and implementation of smart and IoT (Internet of Things) based
technologies have allowed for various possibilities in technological advancements for different …

… In this work, the proposed system has been validated realizing a case study based on the
use of HVAC (Heating, Ventilation and Air Conditioning) Units. Smart energy solutions such as …

… Finally, we provide research directions for future work. … After determining the security
requirements and the challenges … Finally, based on this analysis, we distinguish the research gaps …

… introduces its own challenges but also opportunities, mainly … goals and challenges of the
industrial Internet of Things, which, … of research efforts to secure the industrial Internet of Things, …

… The research work is carried out on the basics of functional aspects of applications and
prominent work done by various researchers over the years, has been explained in the …

… wearables applications, opportunities and challenges where we focus on various clusters of
… We also study the applications, opportunities and challenges of cellular IoT in more details …

… The pervasive deployment of smart objects that collect data and control the physical
environment from a distance poses a severe challenge to the security and safety of the world and …

… of data that can be utilized for further scientific and medical studies. With a view to preventing
the onset of health problems more efficiently, IoT technologies improve patient treatment …

… A lot of crucial research studies and investigations have been done in order to … of challenges
and issues that need to be addressed to achieve the full potential of IoT. These challenges …

… As can be seen in Table 1, research-based and review literature are limited. A synthesis of
our review to identify research-based studies and key issues/challenges in the IoT literature …