Each mobile uses a separate, temporary radio channel to talk to the cell site. The cell site talks to many mobiles at once, using one channel per mobile. Channels use a pair of frequencies for communication. One for transmitting from the cell site, the forward link, and one frequency for the cell site to receive calls from the users, the reverse link. Communication between mobile units can be either half-duplex or full-duplex. In case of half-duplex, transmit and receive communications between the mobile units are not at the same time, i.e. ta ....etc

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To get report and presentation of electronics communication seminar topic please browse through http://studentbank.in/topic-electronics-seminars-topics

1. Double image mixing for D stereoscopic vision
2. Common Challenges in Image Processings
3. Radar guidance systems
4. Radio broadcasting system : Design and Application
5. Video Streaming Technology in G Mobile Communication Systems
6. Edubuntu: Linux for Young Human Beings
7. Wireless Video Service in CDMA Systems
....etc

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Nanotechnology is nothing but the manipulation of matter at atomic level. Working at this level means better precision, complete usage and everlasting qualities. This way it can be applied in any field, viz. production, research, industry, consumer-friendly, applications ,¦Nanotechnology is the outcome of the excellent conglomeration of human thinking, technology and molecular behavior.

By arranging the atoms in sequences or structures of our choice, we can build a wonderful, devoid of defects, illness¦ The consequences of this techno ....etc

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transmitter circuit and receiver circuit diagram for optical communication based counter. and documentation ....etc

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Advantages of digital communication system over analog communication system
Communication systems
 The block diagram on the top shows the blocks common to all communication systems
Remember the components of a communications system:
 Input transducer: The device that converts a physical signal from source to an electrical, mechanical or electromagnetic signal more suitable for communicating
 Transmitter: The device that sends the transduced signal
 Transmission channel: The physical medium ....etc

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Bluetooth is one of the most recent development in wireless technology. Bluetooth technology allows wireless connection between various communication devices with ease. The paper begins with a brief introduction of Bluetooth technology and the need for it. It then explains other two types of wireless communication viz. Infrared communication and Cable Synchronization and the advantages of Bluetooth over these. It also explains the techniques by which Bluetooth avoids interference from other electronic devices. Further an example is illustrated ....etc

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The Robot control using the wireless communication and the serial communication



Executive Summary
The NASA Robotics Alliance Cadets Program is being designed to be implemented at a
very low start-up cost, and to make this goal obtainable, the program is being developed
using low to no cost components from already developed, well-tested and robust
engineering testbeds.
In this project we are trying to establish both wireless communication between the mob ....etc

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transmitter circuit diagram, receiver circuit diagram. and documentation. ....etc

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4G MOBILE COMMUNICATION SYSTEM


A SEMINAR REPORT
Submitted by
SUBRAT SUMAN
COMPUTER SCIENCE & ENGINEERING
SCHOOL OF ENGINEERING
COCHIN UNIVERSITY OF SCIENCE AND TECHNOLOGY,
ABSTRACT
4G (also known as Beyond 3G), an abbreviation for Fourth-Generation, is a term used to describe the next complete evolution in wirelesscommunications. A 4G system will be able to provide a comprehensive IP solution where voice, data and streamed multimedia ....etc

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http://freespaceopticsfreespaceoptics/images/flightstrata_photo.jpg
Free space optical communications is a line-of-sight (LOS) technology that transmits a modulated beam of visible or infrared light through the atmosphere for broadband communications. In a manner similar to fiber optical communications, free space optics uses a light emitting diode (LED) or laser (light amplification by stimulated emission of radiation) point source for data transmission. However, in free space optics, an energy beam is collimated and transmitted t ....etc

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