SPIKES2K6 ANDHRA UNIVERSITY‚VISHAKAPATNAM TITLE “BUS IDENTIFICATION SYSTEM FOR VISION IMPAIRED” AUTHORS V.APARNA VALLI B.V.H.H.SUDHEER B.UMA SANKARA RAO FINAL YEAR E.I.E.DEPT
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What’s Wi-Max? Wi-Max is an IP based‚ wireless broadband access technology that provides performance similar to 802.11/Wi-Fi networks with the coverage and QOS (quality of service) of cellular networks. Wi-Max stands from "Worldwide Interoperability for Microwave Access. Wi-Max is a wireless digital communications system‚ also known as IEEE 802.16 that is intended for wireless "metropolitan area networks". Wi-Max can provide broadband wireless access (BWA) up to 30 miles (50 km) for fixed stations
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Micro-Controller and a Personal Computer in which all timing related details are fed to the PC and then the control signals are passed to a 89C51 based board which in-turn controls the various lights. This project of ours features Bi-Directional flow of information from and to the Base Station. Sensors are connected to the Micro controller‚ which sends the information as to which path should be open. According to the vehicle density information corresponding signal lights should glow to
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Report on TELECOM LIVE PROJECT in INDIA Name: Ankit N Gandhi. Reg. No.: PGM08080905 The multimedia information release project of telecom industry Overview: After a high-speed development‚ the competition of China’s mobile telecom industry has moved from technology to the service. In recent years‚ with the mobile users increase by leaps and bounds‚the number of two operators user in the market show rising‚ but there are all show a tendency of serious slump in the value of ARPU (average
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Abstract—A telephone based wireless system for the remote operation of the home appliances is proposed. The telephone‚ acting as a remote controller‚ generates a DTMF signal corresponding to each dialed digit which is converted to a BCD code by the Telephone interface circuit. This is given as input to the transmitter module which is then used to control various home appliances through a receiver module. Data processing stages of the transmitter and receiver modules have been implemented
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INDEX 1. Technology - The digital signal - Digital television types - Transmission scheme 2. Advantages & Disadvantages - Spectrum reallocation . No Ridondance . Digital Dividend - Interaction - Other advantages - Disadvantages 3. Italian Transiction TECHNOLOGY: The digital signal Digital Terrestrial Television (DTTV or DTT) is the technological evolution and advance from analogue terrestrial television‚ which broadcasts land based (terrestrial) signals. Analog is a continuous waveform‚ with
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Teleconferencing Teleconferencing means meeting through a telecommunications medium. It is a generic term for linking people between two or more locations by electronics. There are at least six types of teleconferencing: audio‚ audiographic‚ computer‚ video‚ business television (BTV)‚ and distance education. The methods used differ in the technology‚ but common factors contribute to the shared definition of teleconferencing: * Use a telecommunications channel * Link people at multiple
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services‚ but they are defined by the fact that they are not moving while communicating with the satellite. Examples of fixed terminals are small terminals used in private networks (VSATs)‚ or terminals mounted on residence buildings used to receive broadcast satellite signals. VSAT Networks VSAT networks have helped many businesses solve difficult network problems though the use of communication satellites. The basic principle it to start with data broadcasting to remote sites and to add a
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required/desired to have wireless variety of devices without relying on communications among a any infrastructure or central management. In ad hoc networks‚ wireless devices‚ simply called nodes‚ have limited transmission range. Therefore‚ each node can directly communicate with only those within its transmission range (i.e.‚ its neighbours) and requires other nodes to act as routers in order to communicate with out-of-range destinations. One of the fundamental operations in wireless ad hoc net- works is broadcasting
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dividend: Cognitive access consultation on licence-exempting cognitive devices using interleaved spectrum‚ http://www.ofcom.org.uk/consult/condocs/cognitive/cognitive.pdf. Yang‚ S.‚ and J. Wu (2010)‚ Efficient broadcasting using network coding and directional antennas in manets‚ IEEE Trans. Parallel Distrib. Syst.‚ 21 (2)‚ 148–161. 39 Yoon‚ M. K.‚ K. H. Lee‚ and J. B. Song (2009)‚ Performance analysis of distributed cooperative spectrum sensing for underlay cognitive radio‚ in Proceedings of the 11th
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