WIRELESS SENSOR NETWORK (Reshma Bhat‚ 3rd sem‚EC) Abstract A Wireless Sensor network (WSN) consists of spatially distributed autonomous sensors to cooperatively monitor physical or environmental conditions‚ such as temperature‚ sound‚ vibration‚ pressure‚ motion or pollutants. The development of wireless sensor networks was motivated by military applications such as battlefield surveillance and are now used in many industrial and civilian application areas‚ including industrial
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enhancement of existing routing protocol in near future. Keywords: VANET‚ Reactive‚ MANET. Routing Protocol‚ Proactive‚ I. INTRODUCTION A wireless ad hoc network is a decentralized type of wireless network. The network become ad hoc because it does not rely on a pre existing infrastructure‚ such as routers in the wired network or access points in managed wireless networks. Instead ‚ each node participates in routing by forwarding data for other nodes‚ so the verification of which nodes forward data
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Wireless Electronic Notice Board with Multi Point Receivers using Zigbee Communication System Title of the project: Wireless Electronic Notice Board Domain: Wireless Communication Software: Embedded C‚ Keil‚ Proload Microcontroller: AT89S52 Power Supply: +5V‚ 750mA Regulated Power Supply Display: LED 5mm Crystal: 11.0592MHz Communication Device: Zigbee Module Applications: Colleges‚ Schools‚ offices‚ public utility places. ABSTRACT Notice Board is primary thing in any institution
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for Low-Rate Wireless Personal Area Networks (LR-WPANs)‚ such as wireless light switches with lamps‚ electrical meters with in-home-displays‚ consumer electronics equipment via short-range radio needing low rates of data transfer. The technology defined by the ZigBee specification is intended to be simpler and less expensive than other WPANs‚ such as Bluetooth. ZigBee is targeted at radio-frequency (RF) applications that require a low data rate‚ long battery life‚ and secure networking. Technical
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anthropology and economics. It attempts to understand the intention of communicating individually and in groups. WIRELESS INTERNET CONNECTION is one of the Wireless Internet Connections in Bangladesh. They started their operations in 2007. Wireless Internet Connection aims to stand out with the motto of bringing a change‚ creating new paths‚ new thoughts and help seeing the world with a new eye. Wireless modem serves us the easiest way to communicate throughout the world. Initial chapter shows a general overview
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INFORMATION TECHNOLOGY FOR MANAGEMENT By EFRAIM TURBAN‚ LEIDNER‚ MCLEAN‚ WETHERBE MINICASE 1 Pg 32 Dartmouth College Goes Wireless Q1. In what ways is the Wi-Fi technology changing the life of Dartmouth students? Relate your answer to the concept of the digital society. A1. Dartmouth College has made many innovative usages of the Wi-Fi technology in their college: * Students are continuously developing new applications for the Wi-Fi. * Students no longer have
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Radio Wireless Systems Siddharth Sharma Department of Electrical Engineering Indian Institute of Technology Kanpur Kanpur - 208016‚ India +91-9997773460 Aditya K. Jagannatham Department of Electrical Engineering Indian Institute of Technology Kanpur Kanpur - 208016‚ India +91-512-2597494 sharmas@iitk.ac.in ABSTRACT In this work‚ we present and investigate the performance of novel classification schemes for spectrum sensing in cooperative multiple-input multiple-output (MIMO) wireless cognitive
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Advantages and disadvantages of normal LAN vs. wireless LAN. Computer networks for the home and small business can be built using either wired or wireless technology. Wired Ethernet has been the traditional choice in homes‚ but Wi-Fi wireless technologies are gaining ground fast. Both wired and wireless can claim advantages over the other; both represent viable options for home and other
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Abstract: Wireless technologies have experienced an enormous growth in the last decades. The wireless personal area networks (WPANs) and wireless local area networks (WPANs) are heterogeneous networks which are used in different applications. Two networks‚ called Wifi (IEEE 802.11 WLAN) and ZigBee (IEEE 802.15.4 WPAN)‚ which operates in 2.4 GHz frequency. Spectrum sharing is an effective technique which is used to enhance spectrum utilization. However the coexistence and Interoperability is a critical
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Abramson‚ a professor at the University of Hawaii‚ developed the world’s first wireless computer communication network‚ ALOHAnet (operational in 1971)‚ using low-cost ham-like radios. The system included seven computers deployed over four islands to communicate with the central computer on the Oahu Island without using phone lines. Definition A wireless local area network (WLAN) links two or more devices using some wireless distribution method (typically spread-spectrum or OFDM radio)‚ and usually
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