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Reseach Article

Improving Multimedia Transmission in 3G Wireless NetworksUsing Cooperative Diversity Technique

Published on April 2012 by B. Ganapathy Ram, S. S. Sreeja Mole, A. Kasthuri
International Conference in Recent trends in Computational Methods, Communication and Controls
Foundation of Computer Science USA
ICON3C - Number 1
April 2012
Authors: B. Ganapathy Ram, S. S. Sreeja Mole, A. Kasthuri
2aa56872-bffe-4ffa-a513-0f70bc2e1453

B. Ganapathy Ram, S. S. Sreeja Mole, A. Kasthuri . Improving Multimedia Transmission in 3G Wireless NetworksUsing Cooperative Diversity Technique. International Conference in Recent trends in Computational Methods, Communication and Controls. ICON3C, 1 (April 2012), 6-11.

@article{
author = { B. Ganapathy Ram, S. S. Sreeja Mole, A. Kasthuri },
title = { Improving Multimedia Transmission in 3G Wireless NetworksUsing Cooperative Diversity Technique },
journal = { International Conference in Recent trends in Computational Methods, Communication and Controls },
issue_date = { April 2012 },
volume = { ICON3C },
number = { 1 },
month = { April },
year = { 2012 },
issn = 0975-8887,
pages = { 6-11 },
numpages = 6,
url = { /proceedings/icon3c/number1/6001-1002/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 International Conference in Recent trends in Computational Methods, Communication and Controls
%A B. Ganapathy Ram
%A S. S. Sreeja Mole
%A A. Kasthuri
%T Improving Multimedia Transmission in 3G Wireless NetworksUsing Cooperative Diversity Technique
%J International Conference in Recent trends in Computational Methods, Communication and Controls
%@ 0975-8887
%V ICON3C
%N 1
%P 6-11
%D 2012
%I International Journal of Computer Applications
Abstract

To effectively combat multipath fading across multiple protocol layers in 3G wireless networks during transmission of multimedia components like image and video, we develop energy efficient transmission protocol called cooperative diversity which involves cooperation among terminals and which is created by antenna sharing and coordinated transmission by several distributed radios. A Cooperative diversity network with a sender, a destination and a third station acting as a relay is analyzed. The channels are modeled containing thermal noise, Rayleigh fading and path loss. After summarizing a model for the wireless channel we enhance the basic arrangement to a system with several relay and receiver stations and we present various practical algorithms based on the relaying process that are 1) Amplify and Forward (AAF), 2) Decode and Forward (DAF). To combine the incoming signals the channel quality should be estimated. Information about the average quality shows nice benefits and a rough approximation about the channel quality increases the performance even more. The combining techniques used here are 1) Signal to Noise Ratio Combining (SNRC) and 2) Enhanced Signal to Noise Ratio Combining (ESNRC). An image is taken as multimedia information to be transmitted and is received under variety of conditions and the performance is evaluated

References
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Index Terms

Computer Science
Information Sciences

Keywords

Multimedia Diversity Co-operative Diversity Relay Combining