9 research outputs found

    Beacon-based opportunistic scheduling in wireless body area network

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    Wireless Body Area Networks (WBANs) are one of the key technologies that support the development of digital health care, which has attracted increasing attention in recent years. Compared with general Wireless Sensor Networks (WSNs), WBANs have more stringent requirements on reliability and energy efficiency. Though WBANs are applied within limited transmission range, the on-body channel condition can be very challenging because of blocking or absorbing of signal. In this paper, we are looking into the design of Medium Access Control (MAC) protocols and propose an opportunistic scheduling scheme by applying heuristic scheduling and dynamic superframe length adjustment to improve the system performance. The simulations have been supplemented to show the advantages of the proposed solutions in outage rate performance, compared with existing solutions

    RPL And COAP Protocols, Experimental Analysis for IOT: A Case Study

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    Internet of Things(IoT) in recent days playing a vital role in networking related applications. However, there are several protocols available for building IoT applications, but RPL and CoAP are important protocols.There is a customized protocol requirement for specific IoT applications, while working on specific research problems. Further, adequate platforms are required to evaluate the performance of these protocols. These platforms need to be configured for the protocol, which is very crucial and timeconsuming task. At present, there is no collective and precise information available to carry out this work. This paper discusses two different open source platforms available for IoT. Also,various IoT research ideas need to design of IoT protocols. A few IoT communication technologies are mentioned in the paper. The detail analysis of, two common protocols, namely Routing Protocol for Low-Power Lossy Networks (RPL) and Constrained Application layer protocol (CoAP) is carried out with respect to latency delay and packet delivery ratio. The results, discussion and conclusion presented in this paper are useful for researchers, who are interested to work with IoT protocols and standards

    Color Distribution Pattern Metric for Person Reidentification

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    Statistical Analysis on IoT Research Trends: A Survey

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    Internet of Things (IoT) is a novel and emerging paradigm to connect real/physical and virtual/logical world together. So, it will be necessary to apply other related scientific concepts in order to achieve this goal. The main focus of this paper is to identify the research topics in IoT. For this purpose, a comprehensive study has been conducted on the vast range of research articles. IoT concepts and issues are classified into some research domains and sub-domains based on the analysis of reviewed papers that have been published in 2015 & 2016. Then, these domains and sub-domains have been discussed as well as it is reported their statistical results. The obtained results of analysis show the most of the IoT research works are concentrated on technology and software services domains similarly at first rank, communication at second rank and trust management at third rank with 19%, 14% and 13% respectively. Also, a more accurate analysis indicates the most important and challenging sub-domains of mentioned domains which are: WSN, cloud computing, smart applications, M2M communication and security. Accordingly, this study will offer a useful and applicable broad viewpoint for researchers. In fact, our study indicates the current trends of IoT area

    Administración y control de una red IPv6 basado en infraestructura como un servicio para modelos de cómputo virtual en el laboratorio de Telecomunicaciones con cifrado de extremo a extremo utilizando dispositivos Ubiquiti.

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    Actualmente todo el mundo depende de las tecnologías y las redes, su eficiencia es de suma importancia, pero la mayoría de las empresas o centros de estudio no pueden permitirse la implementación y el despliegue de grandes sistemas de datos para realizar un estudio a fondo. Entonces, la necesidad de esta propuesta tecnológica que se plantea en el laboratorio de Telecomunicaciones de la Universidad Estatal Península de Santa Elena para impulsar conocimientos prácticos y teóricos a los futuros estudiantes o egresados de la carrera de Ingeniería en Telecomunicaciones. Es por eso que el tema de tesis “Administración y control de una red IPv6 basado en infraestructura como un servicio para modelos de cómputo virtual en el laboratorio de telecomunicaciones con cifrado de extremo a extremo utilizando dispositivos Ubiquiti” se basa en la investigación de la idea del Cloud Computing, junto con las ventajas que tiene poder trabajar con un protocolo de internet versión 6 que trae nuevas características, que encajan con la computación en la nube y brindan los medios para desarrollar técnicas con las que se pueda tener un beneficio al momento de realizar una administración de red, de esta manera al ejecutar la interfaz que brindan los equipos Ubiquiti poder llevar a cabo un análisis y control óptimo en el área de redes. Además, como medida de seguridad el protocolo de cifrado de extremo a extremo, donde los usuarios pueden comunicarse entre sí de punta a punta, garantizando que los datos sean encriptados por parte del emisor y que este a su vez sea descifrado por el receptor, por lo tanto, evita que los espías potenciales, incluido proveedores de comunicación e internet puedan acceder a las claves para descifrar los datos y así obtener una transmisión de datos segura

    Lightweight management of resource constrained sensor devices in Internet-of-Things

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    It is predicted that billions of intelligent devices and networks, such as wireless sensor networks (WSNs), will not be isolated but connected and integrated with computer networks in future Internet of Things (IoT). In order to well maintain those sensor devices, it is often necessary to evolve devices to function correctly by allowing device management (DM) entities to remotely monitor and control devices without consuming significant resources. In this paper, we propose a lightweight RESTful Web service (WS) approach to enable device management of wireless sensor devices. Specifically, motivated by the recent development of IPv6-based open standards for accessing wireless resource-constrained networks, we consider to implement IPv6 over low-power wireless personal area network (6LoWPAN)/routing protocol for low power and lossy network (RPL)/constrained application protocol (CoAP) protocols on sensor devices and propose a CoAP-based DM solution to allow easy access and management of IPv6 sensor devices. By developing a prototype cloud system, we successfully demonstrate the proposed solution in efficient and effective management of wireless sensor devices
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