A Low-Complexity SISO Multiuser Detector for Iterative Decoding of Asynchronous CDMA Systems With Convolutional Codes
Abstract
The optimal decoding scheme for asynchronous codedivision multiple-access (CDMA) systems that employ convolutional codes results in a prohibitive computational complexity. To reduce the computational complexity, an iterative receiver structure was proposed for decoding multiuser data in a convolutional coded CDMA system. At each iteration, extrinsic information is exchanged between a soft-input soft-output (SISO) ....etc

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to get information about the topic wireless control of home appliances/sms based control of home appliances full report ,ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-sms-based-wireless-home-appliance-control-system-hacs-for-automating-appliances-and

http://seminarsprojects.net/Thread-remote-control-home-appliances

http://seminarsprojects.net/Thread-sms-based-wireless-home-appliance-control-system-hacs-for-automating-appliances-and?pid=47348#pid47348 ....etc

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Done by:
Ahmed Sudqi Hussein Abdul-Rahman
Ahmad Nasr Raja Mohammad
Supervised by:
Prof. Nihad Dib

Abstract
This report presents the design, implementation, and testing of a dual-band cell-phone jammer. This jammer works at GSM 900 and GSM 1800 simultaneously and thus jams the three well-known carriers in Jordan (Zain, Orange, and Umniah). This project went through two phases:
Phase one: studying the GSM-system to find the best jamming technique, establishing the system design and selecting suitable component ....etc

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to get information about the topic ARM PROCESSOR full report ,ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-arm-processor-full-report

http://seminarsprojects.net/Thread-arm-processor-based-projects-for-students

http://seminarsprojects.net/Thread-arm-processor-full-report?page=2

http://seminarsprojects.net/Thread-arm-processor-based-major-projects-for-electronics

http://seminarsprojects.net/Thread-arm-processor-tutorial

http://seminarsprojects.net/Thread-arm-processor-based-major-projects-for-electro ....etc

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To get full information or details of dtmf based industrial automation and appliances control system please have a look on the pages

http://seminarsprojects.net/Thread-dtmf-based-industrial-automation-appliance-control-system?page=2

http://seminarsprojects.net/Thread-sms-based-industrial-automation-using-arm-controller

http://seminarsprojects.net/Thread-industrial-automation-using-cellphone

http://seminarsprojects.net/Thread-dtmf-based-industrial-automation-appliance-control-system

if you again feel trouble on dtmf based industrial automat ....etc

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i need this project description, working principle, circuit diagram and ppt ....etc

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To get full information or details of Dual tone Multi Frequency DTMF please have a look on the pages

http://seminarsprojects.net/Thread-Dual-tone-Multi-Frequency-DTMF-signaling

http://seminarsprojects.net/Thread-Dual-tone-multi-frequency-signaling-DTMF?pid=79283#pid79283

if you again feel trouble on Dual tone Multi Frequency DTMF please reply in that page and ask specific fields in Dual tone Multi Frequency DTMF ....etc

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advantages of multi tone siren

A siren is a loud noise making device. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Sirens are used on emergency service vehicles such as ambulances, police cars and fire trucks. There are two general types: pneumatic and electronic.

Many fire sirens (used for calling the volunteer fire fighters) serve double duty as tornado or civil defense sirens, alerting an entire community of impending danger. Most fire sirens are either mounted on the roof of a fire ....etc

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Final Report on
Dual-Tone Multiple Frequency (DTMF) Detector Implementation
Presented By:
Giiner Arslan
for EE382C Embedded Software Systems
Abstract
Dual-tone Multi-frequency (DTMF) signals are used in touch-tone telephones as well as many other areas such as interactive control, telephone banking, and pager system. As analog telephone lines are converted to digital, researchers became interested in digital DTMF detectors.
There are many digital DTMF detecting algorithms, but most of them do not comply with ....etc

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SYNOPSIS
Dual-tone Multi-Frequency (DTMF) signaling is the basis for voice communications control and is widely used worldwide in modern telephony to dial numbers and configure switchboards. It is also used in systems such as in voice mail, electronic mail and telephone banking.
The detector part of early DTMF systems consisted of analog implemented bandpass filter banks, which were tuned to the eight standard frequencies. As analog lines as well as many other analog systems were converted to digital, researchers became ....etc

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