Multimedia and video streaming applications are becoming more popular and used by most of the users because of advances in mobile devices and mobile wireless networks. Maintaining continuity of video stream in mobility, handover protocol plays a pivotal role. The important task of handover process is handover prediction and decision. This paper presents a novel approach by considering a traditi...

In this paper an augmented event triggered algorithm based on IR (infra red) and RSSI (received signal strength indicator) techniques has been proposed for a wireless sensor network. It is a distributed and low cost localization algorithm with extremely high precision and accuracy. The proposed localization algorithm has better performance as depicted by simulations. Also the results based on R...

This paper proposes a novel received signal strength indicator (RSSI)-based self-adaptive indoor positioning algorithm which can be utilized in non-line-of-sight (LOS) environments through the employment of a weighted feedback framework. This algorithm is composed of the following parts: optimized RSSI algorithm, offset-triangulation algorithm and weighted feedback framework. The developed self...

Localization is a fundamental problem in wireless sensor networks. Many approaches, including range-based and range-free techniques, have been proposed to determine the optimal location for sensor nodes. This paper presents a simple range-free localization scheme that is based on received signal strength indicator (RSSI) geometric localization for wireless sensor networks. The node locations ar...

Wireless sensor networks (WSNs) enable smart environments to create pervasive and ubiquitous applications, which give context-aware and scalable services to the end users. In this paper, we propose an architecture and design of a web application for a sensor network monitoring. Further, the variation in received signal strength indicator values is used for knowledge extraction. Experiments are ...

In this paper, we propose a set of experiments for evaluating sensors’ precision in measuring received signal strength indicator (RSSI) in wireless sensor networks (WSN). More specifically, a WSN application is implemented for collecting RSSI measurements in different conditions. The application consists of two parts: an experiment control script which runs on a computer, and an experiment sens...

This paper describes the transition of academically developed multiagent technology for UAV coordination to an industrially developed application. The specific application is the use of lightweight UAVs with small Received Signal Strength Indicator sensors to cooperatively locate targets emitting radio frequency signals in a large area. It is shown that general techniques can be effectively tra...

A high-coverage algorithm termed enhanced camera assisted received signal strength ratio (eCA-RSSR) positioning is proposed for visible light (VLP) systems. The basic idea of eCA-RSSR to utilize visual information captured by the estimate first incidence angles lights. Based on angles, utilizes (RSSR) calculated photodiode (PD) ratios distances between LEDs and receiver. an Euclidean plane geom...