ABSTRACT Gi-Fi will helps to push wireless communications to faster drive. For many years cables ruled the world. Optical fibers played a dominant role for its higher bit rates and faster transmission. But the installation of cables caused a greater difficulty and thus led to wireless access. The foremost of this is Bluetooth which can cover 9-10mts. Wi-Fi followed it having coverage area of 91mts. No doubt‚ introduction of Wi-Fi wireless networks has proved a revolutionary solution to “last
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of signal transmission. Frequently‚ however‚ data must be sent beyond the local circuitry that constitutes a computer. In many cases‚ the distances involved may be enormous. Unfortunately‚ as the distance between the source of a message and its destination increases‚ accurate transmission becomes increasingly difficult. This results from the electrical distortion of signals traveling through long conductors‚ and from noise added to the signal as it propagates through a transmission medium. Although
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difference between a circuit and a channel is basically the way that it is utilized. A channel is a portion of the circuit that is used to transmit a single voice or data signal‚ which can be either a 4 kHz signal in analog transmission or 64 Kb/s signal in digital transmission (Thakur‚ n.d.). Many channels together can also be contained within a circuit found in WAN technology
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Ericsson South Africa Rev A 10 September 2003 1 SATNAC 2003 Agenda • • • • What is EDGE? Implementing EDGE Network and transmission planning The live experience … Rev A Rev A 10 September 2003 2 SATNAC 2003 1 SATNAC 2003 10 September 2003 Agenda • • • • What is EDGE? Implementing EDGE Network and transmission planning The live experience … Rev A 10 September 2003 3 SATNAC 2003 The Abbreviation GPRS = General Packet Radio System
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PERFORMANCE ENHANCEMENT OF RECTANGULAR MICRO-STRIP PATCH ANTENNA AT 2GHz FOR WLAN APPLICATION A Synopsis Submitted In Partial Fulfillment of the Requirements For the Degree of MASTER OF TECHNOLOGY in Electronics & Communication Engineering by NM Under the supervision of Asst. Prof GAUTAM BUDDH TECHNICAL UNIVERSITY (Formerly Uttar Pradesh Technical University) LUCKNOW May‚ 2013 CERTIFICATE Certified that has carried out the research work presented in this synopsis entitled
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could provide greater bandwidth and possible miniaturization‚ and therefore they examined other waveguide types. Ridge Waveguide offered a step in that direction‚ having one or more longitudinal internal ridges that serve primarily to increase transmission bandwidth by lowering the cut-off frequency. Coaxial Line was very suitable‚ since it possessed a dominant mode with zero cut-off frequency‚ providing two important characteristics: very wide bandwidth‚ and the capability of miniaturization. The
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Common Causes of Infection Transmission What is Infection? Microbes can lead to an infection only if they have capacity to multiple. Our bodies get infections from pathogenic microorganisms that cannot observe by naked eye such as • Bacteria. These one-cell organisms are accountable for diseases‚ such as urinary tract infections. • Viruses. Is an acellular agent smaller than bacteria consisting mainly of genetic material‚ that can be active in a close environments ranging from the common cold
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43 DATA COMMUNICATION AND NETWORKING 1. Introduction Data Communication is a system consisting of carries and related devices used to transport datafrom one point to another. Communication means to convey a message‚ an idea‚ a picture or speechthat is received and understood clearly and correctly by the person for whom it is conveyed. Ancient Methods of Communication and Their Demerits – Message were sent in olden timeseither through horse riders or by using pigeons. There was no surety that
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for instance‚ proposes three historical ages of transmission technologies: the logosphere (the age of writing‚ technology‚ kingdom‚ and faith)‚ the graphosphere (the age of print‚ political ideologies‚ nations and laws)‚ and the newly born videosphere (the age of multimedia broadcasting‚ models‚ individuals‚ and opinions). Though these temporal strata have not been widely accepted‚ Debray’s work exemplifies the fact that the technologies of transmission have taken on a position in our culture of vertiginous
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defined as a subset of telecommunication involving the transmission of data to and from computers and components of computer systems. More specifically data communication is transmitted via mediums such as wires‚ coaxial cables‚ fiber optics‚ or radiated electromagnetic waves such as broadcast radio‚ infrared light‚ microwaves‚ and satellites. Data Communications = Movement of computer information by means of electrical or optical transmission systems Information can be represented using analog signals
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