There is no suspicion that IoT has added a new dimension to the living being by the link between smart objects. Thus making the link among any media and anything at any place and anytime was appreciable. Under the umbrella of the Internet of Things (IoT) the number of interconnected devices is expected to grow exponentially toward more than 34 billion devices until 2021. IoT will propose the unique identification of the objects and their virtual representation as the basis for autonomously development of applications and services. These will be characterized by enormous and self-governing data capture, incident transfer, network connectivity and interoperability. This technology has a lot of applications in heterogeneous fields. The IoT technology and applications are likely to be major drivers of investment and innovation in the communications sector, over the forthcoming years, delivering the valued advantage to citizens, client and industrial end-users. These will lead to the introduction of many new and modern services. It will permit data to be transmitted between many various types of devices, enhance the safety of transportation, and decrease the consumption of energy and enhance our health. In this paper, we are briefly discussing about the Internet of Things and applications in several fields. The IoT applications are using at the edge of the network sensors accumulate data on a computing and communicating device and actuators to perform distinguished tasks controlled by these devices.
The co-existence of heterogeneous access technologies with largely different characteristics results in handoff asymmetry. As the convergence of dissimilar networks has been envisioned to characterize the next generation wireless networks, the seamless and efficient handoff between different access technologies (vertical handoff) has become essential. As the "best" network has to be chosen, handoff decision should be carefully executed based on network characteristics and dynamics such as link cost, link capacity and power consumption of each available network. In this study, we have proposed dynamic weight factors for Explicit Handoff Notification scheme for mobile systems equipped with an intelligent handoff manager to decide the "best" network interface and "best" time moment to handoff. We have simulated the Smart Decision Model using dynamic weight factors to evaluate various scenarios. Results show that using dynamic weight factor, usage cost and charge consumption can be saved by approximately by 6.44% and 5.50% respectively.
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