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unified communications
(35913 results)-
Whitepapers
Design and Implementation of Digital Notice Board Using Power Line Communication
May 1, 2013 12:00am PDT
Power line communication is one of the emergent technologies used in a cost effective and high speed communications of digital and voice data. It has been used successfully in many real time...
Provided by: Engg Journals Publications
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Whitepapers
P2P Multipoint Video Conferencing Using Layered Video and Multi-Tree Structure
May 1, 2013 12:00am PDT
Multipoint video conferencing is an interpersonal application with real time visual communication for virtual meetings which can give users a new level of interactivity. Many types of networks...
Provided by: Engg Journals Publications
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Whitepapers
Simulink Based Spectrum Sensing
May 1, 2013 12:00am PDT
There is an explosion in the field of communication technology today with the advent of numerous services being offered by various vendors. The available spectrum today is very limited and highly...
Provided by: Engg Journals Publications
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Whitepapers
Estimation of System Operating Margin for Different Modulation Schemes in Vehicular Ad-Hoc Networks
May 1, 2013 12:00am PDT
Vehicular communication is the communication in which the information is directly exchanged among the vehicles. Vehicular Ad-hoc NETwork (VANET) is an off-shoot of Mobile Ad-hoc NETwork (MANET)....
Provided by: Engg Journals Publications
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Whitepapers
Evaluation of BER for Various Fading Channel in DWT Based MIMO-OFDM System
May 1, 2013 12:00am PDT
MIMO communication is mainly use in the OFDM to improve the communication performance and capacity. DWT based MIMO-OFDM is used in this paper. Compare to the FFT based MIMO-OFDM it has lot...
Provided by: Engg Journals Publications
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Whitepapers
Enhanced Routine in OFDM Scheme by Declination of Peak to Average Power Ratio Using Fusion of Hadamard Transform and Companding Transform
May 1, 2013 12:00am PDT
Orthogonal frequency division multiplexing is a multi-carrier inflection method employed in wireless communication. OFDM has attained a remarkable center of attention for its forcefulness with...
Provided by: Engg Journals Publications
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Whitepapers
Vertical Handoff Using the Application of Spanning Tree in 4 G
May 1, 2013 12:00am PDT
Today mobile communication has an important place in every person life in their all business and non-business task. So it will be right to say there is some requirements such type of network. That...
Provided by: Engg Journals Publications
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Whitepapers
Enhancing Energy Efficiency of Routing Protocol Through Cross Layer Interactions in MANET
May 1, 2013 12:00am PDT
Energy conservation is important for mobile ad-hoc networks where devices are expected to work for longer periods of time without the need for charging their batteries. High probability of...
Provided by: Engg Journals Publications
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Whitepapers
A Hybrid Algorithm for Secure Communication Using Hermitian Matrix
May 1, 2013 12:00am PDT
Currently secure communication is a very challenging task. Cryptography is providing solution to this challenge. But cryptography highly depends on invertible mathematical functions. Mathematical...
Provided by: Engg Journals Publications
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Whitepapers
Effect of Four-Wave Mixing on Wdm System and Its Suppression Using Optimum Algorithms
May 1, 2013 12:00am PDT
The phenomenon where an undesirable nonlinear effect gives significantly degraded system performance, and becomes the major drawback for optical communication systems is known as Four wave mixing....
Provided by: Engg Journals Publications
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Whitepapers
Performance Analysis of Hash Encrypted DWT-OFDM and Hash Encrypted FFT-OFDM Systems
May 1, 2013 12:00am PDT
Orthogonal Frequency Division Multiplexing (OFDM), in the recent past is being preferably used in wireless communication because of its high data rate and its unique property of the transmitted...
Provided by: Engg Journals Publications
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Whitepapers
Malwares Detection and Prevention Using Set Theory
May 1, 2013 12:00am PDT
Dependence of electronic devices (viz. Computer, Laptop, Mobile, etc.) is increasing exponentially, so large amount of data and information are stored on electronic devices. These electronic...
Provided by: Engg Journals Publications
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Whitepapers
An Efficient QoS Mechanism for Multicast Routing With ODMRP in Wireless Adhoc Networks
May 1, 2013 12:00am PDT
The wireless usage has increased rapidly and there is a huge shift in users' expectations. Ad hoc networks can provide better features if there is a proper QoS multicasting strategy developed. The...
Provided by: Engg Journals Publications
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Whitepapers
PAPR Reduction in OFDM Using Partial Transmit Sequence (PTS)
May 1, 2013 12:00am PDT
In recent years, OFDM has gained a lot of interest in diverse-digital communication applications. This has been due to its favorable properties like high spectral efficiency and robustness to...
Provided by: Engg Journals Publications
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Whitepapers
Improving Frequent Link Failure Detection in VANET
May 1, 2013 12:00am PDT
VANET technology integrates wireless cellular and ad hoc for seamless connectivity between vehicles. Vehicle Ad-hoc NETworks (VANETs) are systems that allow vehicles to communicate with each...
Provided by: Engg Journals Publications
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Whitepapers
Toward Secure Data Sharing Protocols for Avoiding Global Eavesdropper in WSN
May 1, 2013 12:00am PDT
While transformation of the data between communications system there is need for confidentiality of content and location. In existing work only capable of preserving the content and protection on...
Provided by: Engg Journals Publications
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Whitepapers
Security Vulnerabilities in Web Application - An Attack Perspective
May 1, 2013 12:00am PDT
Security is the essential and important topic in web applications. The choice of communication made the web technology an essential one in the environment. The importance of web application and...
Provided by: Engg Journals Publications
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Whitepapers
Symantec Enterprise Vault.cloud Archiving Demo
April 30, 2013 12:00am PDT
Your employees send and receive hundreds of emails on a daily basis. Although some of them may be ‘spam’ or irrelevant , records of all email correspondence may be to be retained for future...
Provided by: Symantec Australia
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Whitepapers
Whitepaper: The Inevitable Extinction of PSTs
April 30, 2013 12:00am PDT
Microsoft® Exchange administrators are responsible for the integrity, security, and availability of an organization's email platform. Some of the most common threats to mailboxes are viruses,...
Provided by: Symantec Australia
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Whitepapers
Low-Complexity Scheduling Policies for Energy Harvesting Communication Networks
April 29, 2013 12:00am PDT
A time-slotted multiple access wireless system with N transmitting nodes, each equipped with an Energy Harvesting (EH) device and a rechargeable battery of finite capacity, is studied. The energy...
Provided by: Imperial College London
