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    Study of Zigbee Technology

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    wireless nodes and provides high stability and transfer rate due to data communication with low power. In the nodes away from coordinator in one PAN‚ the signal strength is weak causing the network a shortage of low performance and inefficient use of resources due to transferring delay and increasing delay time and thus cannot conduct seamless communication. This study suggests the grouping method‚ that makes it possible to perform wide range data transferring depending on the node signal strength

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    Wireless Networks

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    CHAPTER 15 Wide-Area Wireless Networks (WANs) — GSM Evolution 15.1 Introduction Third-generation (3G) wireless systems [2‚3‚9] offer access to services anywhere from a single terminal; the old boundaries between telephony‚ information‚ and entertainment services are disappearing. Mobility is built into many of the services currently considered as fixed‚ especially in such areas as high speed access to the Internet‚ entertainment‚ information‚ and electronic commerce (e-commerce) services. The

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    tests. Table of Contents Table of Contents 2 List of Figures 2 Description 3 Assumptions 3 Model Information 3 Study Properties 3 Units 3 Material Properties 4 Loads and Restraints 4 Connector Definitions 5 Contact 5 Mesh Information 5 Sensor Results 6 Reaction Forces 6 Free-Body Forces 6 Bolt Forces 6 Pin Forces 6 Beams 6 Study Results 6 Conclusion 9 List of Figures tube & flat flange 2011 final3.1.1-Study 1-Factor of Safety-Factor of Safety1 7 tube & flat flange

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    Powered By www.technoscriptz.com ------------------------------------------------------------------------------------------------------- ARTIFICIAL INTELLIGENCE VI SEMESTER CSE UNIT-I ----------------------------------------------------------------------------------------- 1.1 INTRODUCTION 1.1.1 What is AI? 1.1.2 The foundations of Artificial Intelligence. 1.1.3 The History of Artificial Intelligence 1.1.4 The state of art 1.2 INTELLIGENT AGENTS 1.2.1 Agents and environments 1.2

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    engineering

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    network-joining latency when compared to Bluetooth (250 KB) © Oxford University Press 2007. All rights reserved. 3 ZigBee─ a suite of high-level communication protocols • ZigBee devices form a personal area (home) network of embedded sensors‚ industrial controllers‚ or medical data systems © Oxford University Press 2007. All rights reserved. 4 ZigBee IEEE 802.15.4 • • For Low transmitting power systems Interoperable standard based on RF wireless communication © Oxford

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    Wireless sensor networks are probably the most well-known examples. They have been widely deployed in various areas from environmental monitoring‚ surveillance‚ to healthcare monitoring and many others [4][5][6]. A wireless sensor network involves data acquisition and transmission from sensor nodes and data analytics in the service platform. All of the stages have different level of real-time requirements. The idea of wireless sensor networks is further extended to Internet

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    ZigBee is used for controlling and monitoring. ZigBee is a short range‚ small data rate‚ less power consumption and simpler Wireless Sensor technology. In Wireless Sensor Network low power consumption and longer battery life is biggest issue and ZigBee is solution of this issue. ZigBee was introduced after inefficiency of Wi-Fi and Bluetooth in some areas. In all Wireless Personal Area Networks (WPAN)

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    Ventilation of Cars

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    authorized user via GSM. The advantage of this system is proper detection and faster response time leading to faster diffusion of the situation‚ compared with the manual methods. Key words: Atmel microcontroller‚ ‚Embedded System‚Gas detecting sensors‚GSM Modem‚Vehicle safety. 1. INTRODUCTION Motor vehicles are they not only the prime source of transportation‚ but also the prime source of pollution. These motor vehicles contribute to over 30% of the hazardous gases that are released into the

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    impulsive information interchange among vehicles and with road-side stations. A new type of network Vehicular Ad hoc Network (VANET) is available for providing alerts to the vehicles on highways. VANET is Vehicular Ad hoc Network‚ in which mobile nodes are replaced by vehicles. Whenever design issues of networks are concerned‚ the privacy and security come into the picture. Vehicular network is used to alert a driver so that accidents can be reduced and also avoid congestion

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    Authentication in VANET

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    1286 IEEE LATIN AMERICA TRANSACTIONS‚ VOL. 11‚ NO. 6‚ DECEMBER 2013 An Improved Scheme for Key Management of RFID in Vehicular Adhoc Networks Q. Zhang‚ M. A. Almulla and A. Boukerche Abstract— Vehicular Ad hoc Networks (VANETs) are emerging as a promising approach to improving traffic safety and providing a wide range of wireless applications for all road users. This paper addresses an improved authentication scheme for Radio frequency identification (RFID) applied in VANETs. As often

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