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online communications
(35780 results)-
Whitepapers
Encryption of Data to Prevent Jamming Attacks
April 1, 2013 12:00am PDT
In this paper, the authors address the problem of selective jamming attacks in wireless networks. In these attacks, the adversary is active only for a short period of time, selectively targeting...
Provided by: Creative Commons
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Whitepapers
Robust Watermarking Scheme Against Geometerical Attacks
April 1, 2013 12:00am PDT
In the age of e-media where everything is accessed through the internet it becomes very important to protect the privacy and the copyright of the data and the information which is shared through...
Provided by: Creative Commons
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Whitepapers
Enhanced Anomaly Detection IDS-Based Scheme for Dynamic MANET On-Demand (DYMO) Routing Protocol for MANETS
April 1, 2013 12:00am PDT
Mobile Ad hoc NETwork (MANET) is a kind of wireless network which has no infrastructure. Security is an essential requirement in mobile ad hoc network to provide protected communication between...
Provided by: Creative Commons
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Whitepapers
High Imperceptible Encoding for Computer Networks Security
April 1, 2013 12:00am PDT
Today, computer and network technologies provide easy-to-use communication channels for steganography. In most algorithm used to secure information both steganography and cryptography are used...
Provided by: Creative Commons
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Whitepapers
Design & Analysis of Micro Strip Patch Antenna
April 1, 2013 12:00am PDT
Micro strip antenna is most common small sized antenna in which a metal patch is deposited on dielectric material. Micro strip patch antennas have been an attractive choice in mobile and radio...
Provided by: International Scientific Research Organization for Science, Engineering and Technology
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Whitepapers
Clustering the Nodes With Trust Value Using Iterative Process of Watchdog Mechanism in Networks
April 1, 2013 12:00am PDT
DTN (Delay/Distribution Tolerant Networks) is important field in wireless communication and network security which is emerging as vehicular, planetaryin planetary, underwater and satellite...
Provided by: International Scientific Research Organization for Science, Engineering and Technology
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Whitepapers
A Comparison Study for PSD Performance in OFDM Systems Based on Using Autocorrelation Techniques
April 1, 2013 12:00am PDT
Cooperative wireless communication relay networks in OFDM-based systems have been shown to improve performance in various systems using digital modulation techniques as a form of spatial...
Provided by: International Scientific Research Organization for Science, Engineering and Technology
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Whitepapers
Energy Management System in Adhoc Wireless Networks
April 1, 2013 12:00am PDT
Wireless ad hoc networks can be used to provide services anywhere and anytime. Ad hoc networks enable users to spontaneously form a dynamic communication system. They allow users to access the...
Provided by: Creative Commons
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Whitepapers
Wi-Fi Network Technology Technical View
April 1, 2013 12:00am PDT
The wireless networks have been widely developed. In comparison with wired networks these removes the restriction of wired communication as well as support to anywhere anytime access to internet....
Provided by: Creative Commons
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Whitepapers
Enhancement in AODV Protocol to Isolate Link Failure Problem in Mobile Ad Hoc Network
April 1, 2013 12:00am PDT
The mobile ad hoc networks are the self configuring type of network in which the mobile nodes can move freely in the environment, even when they are communicating with the other mobile nodes. Due...
Provided by: Creative Commons
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Whitepapers
Monitoring on Moving Object Tracking Using Wireless Sensor Networks
April 1, 2013 12:00am PDT
Their low cost and wireless communication capability make it feasible to deploy them in large numbers, and without preexisting infrastructure. With more sensors available in the environment, it is...
Provided by: Creative Commons
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Whitepapers
IP Based Content Sharing in the Environment of Peer-to-Peer Networks
April 1, 2013 12:00am PDT
The files are sharing from client to server through peer-to-peer Communication. It does have a central server that holds all the file locations and the IP's of all the machines. In this paper, the...
Provided by: Creative Commons
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Whitepapers
Multicast Routing Techniques to Make Optical Network Survivable Against Single Link/Node Failure
April 1, 2013 12:00am PDT
Link/node failures are very common in any networks but these failures have a huge impact on the overall performance of the network. Due to these link/node failures sometimes it is impossible to...
Provided by: Creative Commons
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Whitepapers
Communication and Implementation of Plug and Play Enabled Devices in Sensor Network
April 1, 2013 12:00am PDT
Most of sensor networks are static in nature and do not provide standardized and systematic network management capabilities. Intelligence is not associated with the sensors. In order to make a...
Provided by: Creative Commons
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Whitepapers
Efficient Techniques for Prolonging Sensors Lifetime of Wireless Sensor Networks
April 1, 2013 12:00am PDT
The study of Wireless Sensor Networks (WSNs) and its routing protocols becomes challenging because it requires an extremely large breadth of knowledge from an extremely large variety of...
Provided by: Creative Commons
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Whitepapers
Performance Comparison of MIMO Systems Over AWGN and Rician Channels Using OSTBC4 With Zero Forcing Receivers
April 1, 2013 12:00am PDT
Multiple-Input Multiple-Output (MIMO) is used in wireless communications to achieve high data rates within the limited frequency spectrum. MIMO uses multiple transmitting and receiving antennas so...
Provided by: Lovely Professional University
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Whitepapers
Adaptive Modulation Performance in MIMO-OSTBC Over Rayleigh Fading Channel
April 1, 2013 12:00am PDT
This paper presents the performance of adaptive modulation with multiple input multiple output orthogonal space time block coding MIMO-OSTBC over frequency selective Rayleigh fading channel using...
Provided by: The International Journals of Engineering & Sciences (IJENS)
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Whitepapers
Analysis of Streaming Services and Security Issues in Peer-to-Peer Network
April 1, 2013 12:00am PDT
A P2P network is a special type of computer network that exhibits self-organization, symmetric communication, and distributed control. P2P streaming systems can be classified into P2P live...
Provided by: International Journal of Computer Science and Network Security
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Whitepapers
New Data Encryption Standard Algorithm
April 1, 2013 12:00am PDT
A goal is the design of any encryption algorithm must be security against unauthorized attacks. Within the last decade, there has been a vast increase in the accumulation and communication of...
Provided by: International Journal of Computer Science and Network Security
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Whitepapers
Performance Evaluation of OSTBC Systems Using Different Channels
April 1, 2013 12:00am PDT
Due to the increased demand of wireless communication systems because of the features of the system which provides a wide coverage, high throughput and reliable services, the MIMO systems...
Provided by: International Journal of Computer Applications
