نتایج جستجو برای: wsn
تعداد نتایج: 7715 فیلتر نتایج به سال:
In this paper, we consider the problem of modeling and analyzing the application communication reliability of wireless sensor networks (WSN) with different topologies, including star, tree, mesh, and hierarchical clustering. We propose reliability measures that integrate the conventional connectivity-based network reliability with the sensing coverage measure of WSN. We apply a reduced ordered ...
Wireless Sensor Networks (WSN) generates a huge amount of data for efficient application of discovering essential knowledge from it is important. Usually, WSN data is generated in streams and forwarded to a sink. Raw data leads to higher communication overhead adversely affecting WSN performance. Association mining processes data to locate frequent patterns. Thus, when association mining is app...
Based on the concept of ambient intelligence, we utilized wireless sensor network (WSN) and vision-based tracking technologies to create an interactive WSN-Bar. WSN-Bar is an interactive and innovative creation which has two modules: Garden of Light and Vivacious Bushes. It refers the variety of natural environmental factors and focuses on the relationship between human and nature. WSN-Bar can ...
Wireless sensor network (WSN) shows unique advantages in cold alpine area comparing with traditional in-situ monitoring approaches. This paper presents two WSN applications in cold alpine area, one in the Hulugou watershed and the other in the Babaohe watershed, both of which are situated in the upper mountainous reach of the Heihe River Basin of West China. Apart from introductions to the two ...
Heterogeneous Wireless Sensor Network (WSN) comprises of sensor nodes with distinctive capability, for example, diverse computing power and sensing range. Contrasted with homogeneous WSN, arrangement and topology control are more perplexing in heterogeneous WSN. Distinctive energy efficient clustering protocols for wireless sensor networks systems and thinks about these protocols on a few focus...
پیاده سازی گره های wsn به صورت یکپارچه بر روی یک ic، یک تکنولوژی بسیار مهم در طراحی شبکه های بیسیم سنسوری می باشد. هسته اصلی هر گره wsn، بخش فرستنده گیرنده آن می باشد که امکان ارتباط بیسیم بین گره ها را فراهم می آورد. در این میان عمل انتقال اطّلاعات از فرکانس باند پایه به فرکانس های بالا توسط مدار میکسر انجام می شود. همچنین سیگنال فرکانس بالای موجود در خروجی میکسر باید توسط تقویت کننده توان به م...
Although Unmanned Aerial Vehicles (UAVs)-aided wireless sensor networks (WSNs) have gained many applications, it is not for long that research works been produced to define effective algorithms and protocols. In this article, we address the UAV-enabled WSN (U-WSN), explore performance capability of UAV, UAV functionalities as a communication node, describe architectures relevant typical technol...
The application development in wireless sensor network (WSN) is complicated due to the diverse software and hardware platforms. One way to solve this problem is to apply the embedded Java virtual machine (EJVM) on the WSN nodes. With the EJVM, the users can program the applications by the popular and high-level abstract Java language. However, several challenges exist for applying the EJVM on t...
In this paper, a wireless sensor network (WSN) is constructed to carry out certain applications. This WSN is composed of a sensor, monitor, controller, etc. It has the benefits of low cost and low power consumption. A WSN can be used in many applications in a range of different control technologies, such as temperature monitoring. ZigBee is used to test the performance of the WSN. The experimen...
Wireless Sensor Network (WSN) has been emerging in the last decade as a powerful tool for connecting physical and digital world. WSN has been used in many applications such habitat monitoring, building monitoring, smart grid and pipeline monitoring. In addition, few researchers have been experimenting with WSN in many mission-critical applications such as military applications. This paper surve...
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