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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1. Reliable Adaptive Modulation and Interference Mitigation for Mobile Radio Slow Frequency Hopping Channels
2. End-to-End BER Analysis for Dual-Hop OSTBC Transmissions over Raleigh Fading Channels
3. Low-Complexity Localized Walsh Decoding For CDMA Systems
4. Frequency Offset Estimation for MB-OFDM-based UWB Systems
5. Design and Analysis of Bit Interleaved Coded Space-Time Modulation
6. Performance Analysis of Iterative Channel Estimation and Multiuser Detection In Multi path DS-CDMA Channels
7. Training Signal Design for Estimation o ....etc

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1.Implementation of FFH System for increasing Frequency Diversity
2.Space Time coded OFDM Systems
3.Secured Communication using Spread Spectrum
4.Multi Carrier DS CDMA System
5.Coded Data Transmission System using Iterative Decoding Technique
6.Time Frequency Spread OFDM/FHMA System ....etc

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1. System Architecture And Implementation Of MIMO Sphere Decoders On FPGA.
2. Cost-Efficient SHA Hardware Accelerators.
3. Low-Power Leading-Zero Counting An Anticipation Logic For High-Speed Floating Point Unit.
4. Superscalar Power Efficient Fast Fourier Transform FFT Architecture
5. A New High-Speed Architecture For Reed-Solomon Decoder.
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Submitted by:
K.JEEVITHA
(06S21A0420)
S.Y.M.JYOTHI
V.JYOTSNA
J.KOMALI
P.LAKSHMI DIVYAVANI
G.LAKSHMI PRASANNA



Under the Esteemed Guidance of:
K.SUNDAR SRINIVAS


NOVA COLLEGE OF ENGINEERING AND TECHNOLOGY FOR WOMEN


ABSTRACT
[color=#9400D ....etc

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Can you please tell me the basics of the fpga based electric train control system
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“CONTROL SYSTEM” CONTROL MOVEMENT OF TRAINAND SIGNALLING 
INTRODUCTION
Basic objective of signalling is to control the movement of train
A view to ensure safety by preventing accidents
To achieve the goal three aspects is important
Safety
Speed
Traffic density
INDIAN RAILWAY NETWORK
Despite the phenomenal increase in traffic, the number of train accidents has come down from 464 in 2000-01 to 234 in 2005-06.
In 2006-07, there were195 accidents, the lowest since 1960's.
Indian railways, t ....etc

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1. Device communication using USART protocol
2. Fire alert communication system
3. Industrial safety alert system using LAN
4. Network based staff caller system
5. Secure Access Control using WEIGAND RF-ID.
6. Network based weather Plotting system
7. Networking enabled Industrial Automation.
8. Embedded Networking for Industrial Monitoring and Control with VI Interface.
9. PC-to-PC Wire less Data communication using IR\Laser \ Fiber Optics
10. Device Control and Data Monitoring through Power Line Communication.
11. I2C Protocol implem ....etc

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The development of a GSM automatic power meter reading (GAPMR) system is presented in this paper. The GAPMR system is consists of GSM digital power meters installed in every consumer unit and an electricity ebilling system at the energy provider side. The GSM digital power meter (GPM) is a single phase IEC61036 standard compliance digital kWh power meter with embedded GSM modem which utilize the GSM network to send its power usage reading using short messaging system (SMS) back to the energy provider wirelessly. At the power provider side an eb ....etc

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BroadbandAccess gives mobile workers access to critical business information when they need it, where they need it -- taking mobility to a whole new level. And with V CAST, consumers can access the latest in video programming to stay connected, informed and entertained via their wireless phones, said Rich Garwood, Northern California/Nevada regional president for Verizon Wireless. Now it's possible for people to have continuous wireless broadband Internet access See how to access the Internet.
Row level locking is not the same as turning ....etc

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