نتایج جستجو برای: wsn

تعداد نتایج: 7715  

Recently, wireless sensor network (WSN) is the popular scope of research. It uses too many applications such as military and non-military. WSN is a base of the Internet of Things (IoT), pervasive computing. It consists of many nodes which are deployed in a specific filed for sense and forward data to the destination node. Routing in WSN is a very important issue because of the limitation of the...

A Wireless Sensor Network (WSN) is a wireless decentralized structure network consists of many nodes. Nodes can be fixed or mobile. WSN applications typically observe some physical phenomenon through sampling of the environment so determine the location of events is an important issue in WSN. Wireless Localization used to determine the position of nodes. The precise localization in WSNs is a co...

H. Bakhshi, M. Mirzasadeghi

Clustering is an effective approach for managing nodes in Wireless Sensor Network (WSN). A new method of clustering mechanism with using Binary Gravitational Search Algorithm (BGSA) in WSN, is proposed in this paper to improve the energy consumption of the sensor nodes. Reducing the energy consumption of sensors in WSNs is the objective of this paper that is through selecting the sub optimum se...

2009
Amirala Aghbali Firouz Pouralibaba Hossein Eslami Farzaneh Pakdel Zahra Jamali

White sponge nevus (WSN) is a rare hereditary dyskeratotic hyperplasia of mucous membranes. It is an autosomal dominant disorder with variable penetrance. We report a case of WSN in a healthy 21-year-old male with no history of familial involvement. A white smooth plaque with no erythema or other structural abnormalities was observed, which confirmed the diagnosis of WSN histopathologically.

2017
Stephanie B de Haseth Egbert Bakker Maarten H Vermeer Hakima El Idrissi Tjalling Bosse Vincent T H B M Smit Anna Terron-Kwiatkowski W H Irwin McLean Alexander A W Peters Frederik J Hes

We report a novel KRT13 germ line variant that causes white sponge nevus (WSN) with mucosal dysplasia. Genital, vaginal, and cervical WSN were observed in four female patients, of whom two had premalignant cervical lesions at young age. Two of the 12 patients with oral WSN developed oral squamous cell carcinoma.

2009
Chandrika Balasubramanian Howard Michel

The Integrated Technical Reference Model (ITRM) provides guidelines and design principles for development of Wireless Sensor Networks (WSN). This paper describes an approach to implement a localization application for WSN using the I-TRM. It also provides a comparison between a typically organized WSN, the I-TRM and the Moteworks software platform.

2007
Dirk Engels

Wireless Sensor Networks (WSNs) are among others used to sense the environment. Applications supported by a WSN very often require among others accurate timing as well as the position of each WSN node. This paper presents a survey of different positioning algorithms used in wireless sensor networks. Also a comparison of these solutions is provided, using a set of WSN characteristics.

Journal: :Wireless Communications and Mobile Computing 2021

In wireless sensor networks for the Internet of Things (WSN-IoT), topology deviates very frequently because node mobility. The maintenance overhead is high in flat-based WSN-IoTs. WSN clustering suggested to not only reduce message WSN-IoT but also control congestion and easy repairs. partition mobile nodes (WMNs) into clusters a multiobjective optimization problem large-size WSN. Different evo...

Journal: :The Journal of Experimental Medicine 1995
M Takahashi T Yamada S Nakajima K Nakajima T Yamamoto H Okada

Clinical and immunohistochemical studies were done for 3-39 d on mice after intracerebral inoculation with the neurovirulent A/WSN/33 (H1N1; WSN) strain of influenza A virus, the nonneurovirulent A/Aichi/2/68 (H3N2; Aichi) strain, and two reassortant viruses between them. The virus strains with the WSN gene segment coding for neuraminidase induced meningoencephalitis in mice. The mice inoculate...

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