A new category of intelligent sensor network applications emerges where motion is a fundamental characteristic the system under consideration. In such applications, sensors are attached to vehicles, or people that move around large geographic areas. For instance, in mission critical wireless networks (WSNs), sinks can be associated first responders. scenarios, reliable data dissemination events very important, as well efficiency handling mobility both and event sources. this kind reliability...

Abstract Vagueness is often present in spatial phenomena. Representing and analysing vague phenomena requires objects operators, whereas current GIS databases can only handle crisp objects. This paper provides mathematical definitions for object types operators. The that we propose are a set of simple types, general partitions. represent identifiable structure, i.e. not divisible into components. They points, lines, regions. classes type multipoint, multiline, multiregion. General assure...

The Wireless Sensor Networks (WSNs) design related questions give rise to new complex and difficult theoretical problems challenges in operations research optimization areas. As WSNs become increasingly pervasive, a good understanding of these terms complexity is great help designing appropriate algorithms. In this paper, we examine some the most fundamental coverage, topology control, scheduling, routing mobility WSNs. Then focus on their analyze differences that exist with counter part...

Many software systems have been created to help the emergency responders in their activities all over world. These are usually dedicated a specific situation or response sector. Exchange of information between different is difficult not possible. While much progress observed accessing and sharing existing data, management field (or dynamic) data often overlooked. A lot coming from operations either archived stored an unstructured way. This makes analysis slow process. paper presents model...

One of the first standards in wireless sensor networks domain, WirelessHART, was introduced to address industrial process automation and control requirements. The standard can be used as a reference point evaluate other protocols domain monitoring control. This makes it worthwhile set up reliable WirelessHART simulator achieve that relatively easy way. paper explains our implementation NS-2 simulator. According knowledge, this is supports network manager well whole stack standard. We...

Current wireless technologies for industrial applications, such as WirelessHART and ISA100.11a, use a centralized management approach where central network manager handles the requirements of static network. However, has several drawbacks. For example, it cannot cope with dynamicity/disturbance in large-scale networks real-time manner incurs high communication overhead latency exchanging traffic. In this paper, we therefore propose distributed scheme, D-MSR. It enables devices to join...

Combining data from multiple sensors to improve the overall robustness and reliability of a classification system has become crucial in many applications, military surveillance decision support, autonomous driving, robotics, medical imaging. This so-called sensor fusion is especially interesting for fine-grained target classification, which very specific sub-categories (e.g. ship types) need be distinguished, task that can challenging with single modality. Typical modalities are...

In mission critical applications of wireless sensor networks (WSNs), multiple sinks can be associated to first responders such as firefighters, but also unmanned aerial vehicles (UAVs). scenarios, data dissemination events towards mobile should performed reliably. this paper we present Honeycomb Architecture which enables considering dynamic conditions and sources. exploits a virtual infrastructure called 'highways', is an area where all event are cached. The 'highways' act rendezvous...

Wireless standards developed for industrial applications such as ISA100.11a and WirelessHART, generally use centralized management approaches. However, approaches cannot cope with network dynamicity in real-time manner. They also incur high overhead latency. Consequently, the becomes unsuitable resource constraint devices, e.g I/O devices. The problems become exacerbated when scales up. standard allows reduced functionality devices supports hybrid topology. We propose an extension to better...

In this work we address the problem of joint link scheduling and power assignment in WSNs. It focuses on finding a feasible schedule scheme such that length is minimized concurrent transmissions have fair quality terms SINR (Signal-to-Interference-and-Noise Ratio). As shown to be NP-hard propose greedy heuristic for which seeks minimize number time slots scheduling. Our goal design an algorithm performs transmission control order guarantee transmissions. This insures every node actively...

This paper deals with the storage and manipulation of vague spatial objects: points, lines, regions. Vector data format is used to implement objects. We store objects by extending GRASS vector capabilities. A point represented a triple, containing location membership value point. line sequence triples, each on line. region set which depict important characteristics region. Data structures are defined put constraints stored data, so that desired properties for satisfied. To complete...