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unified communications
(35649 results)-
Whitepapers
Reduction of PAPR in MIMO-OFDM Broadcasting System
March 2, 2013 12:00am PST
Wireless communication is an interesting area of research for the modern society in many aspects like, efficient technology in terms of error rate and occupation bandwidth. A MIMO communication...
Provided by: International Journal of Computer Applications
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Whitepapers
Spectral Efficient Optimization in OFDM Systems with Wireless Information and Power Transfer
March 2, 2013 12:00am PST
In this paper, the authors consider an Orthogonal Frequency Division Multiplexing (OFDM) point-to-point wireless communication system with simultaneous wireless information and power transfer....
Provided by: Cornell University
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Whitepapers
MPRTP: Multipath Considerations for Real-Time Media
March 1, 2013 12:00am PST
The Internet infrastructure often supports multiple routes between two communicating hosts and, today, especially mobile hosts usually offer multiple network interfaces, so that disjoint paths...
Provided by: Association for Computing Machinery
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Whitepapers
Parametric Study for Rectangular Microstrip Patch Antennas
March 1, 2013 12:00am PST
Physically, MSA consists of a metallic radiating patch backed up by a dielectric substrate and a ground plane below that. These days, MSAs are widely used in many applications due to their...
Provided by: IOSR Journal of Engineering
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Whitepapers
Selfish Nodes in MANET: Impact on Security and QoS
March 1, 2013 12:00am PST
Most of the researches focus on the secure and reliable communications in Mobile Ad hoc NETworks (MANETs) because of the presences of malicious nodes, unreliable wireless media, host mobility and...
Provided by: International Journal of Computer Applications
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Whitepapers
Error Correction for a Secure Multicast Group Key Management Using Gray Code
March 1, 2013 12:00am PST
Key agreement protocols are designed to provide two or more specified parties communicating over public channels with a common shared secret key, which may subsequently be used to exchange...
Provided by: Anna University
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Whitepapers
MFQMAC- A Faired and QoS Assured MAC Protocol for Multihop Adhoc Network
March 1, 2013 12:00am PST
In this paper, a new protocol called MFQMAC is proposed, which has the following features. It assures quality of service through service differentiation among different classes of traffics. It...
Provided by: International Journal of Computer Applications
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Whitepapers
Headway Based Model for Effective Broadcast in Vehicular Ad-Hoc Networks
March 1, 2013 12:00am PST
Wireless communications are becoming the dominant form of transferring information and the most active research field. This paper presents one of the most applicable forms of Ad-Hoc networks; the...
Provided by: Lovely Professional University
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Whitepapers
Trust Management in P2P Networks Using Mamdani Fuzzy Inference Systems
March 1, 2013 12:00am PST
Peer to Peer (P2P) systems are one of the popular distributed systems which are used in many areas of communication for many years. This is because P2P systems are autonomous systems where any...
Provided by: International Journal of Computer Applications
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Whitepapers
Ant Colony Accumulative Technique Applied in Wireless Sensor Network Grids Routing Problem
March 1, 2013 12:00am PST
This contribution presents a proposal of an applicable Routing Messages Protocol (RMP) which uses nodes location information and a multi-hop forwarding scheme to achieve long-range communication...
Provided by: HELWAN UNIVERSITY
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Whitepapers
Performance Analysis of ZRP Over AODV, DSR and DYMO for MANET Under Various Network Conditions Using QualNet Simulator
March 1, 2013 12:00am PST
A network which does not require any fixed pre-existing infrastructure and can be defined as a set of mobile nodes is called MANET. In MANET mobile nodes are communicating through wireless medium....
Provided by: International Journal of Computer Applications
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Whitepapers
Energy Consumption for Cryptographic Algorithms with Different Clocks on Smart Cards in Mobile Devices
March 1, 2013 12:00am PST
In mobile devices, smart cards become the trend and are used in numerous applications and services. Since mobile devices are battery-powered, so it is important to find energy saving solutions to...
Provided by: International Journal of Computer Applications
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Whitepapers
Performance of Comparison Between AODV and Secured Protocol
March 1, 2013 12:00am PST
In mobile ad hoc networks packets are relayed over multiple hops to reach their destination. Due to the features of open medium, dynamic topology, cooperative algorithms, lack of centralized...
Provided by: International Journal of Computer Applications
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Whitepapers
Comparative Study of Clustering Based Routing Protocols for Wireless Sensor Network
March 1, 2013 12:00am PST
A wireless sensor network consists of large number of sensor nodes deployed on a large field and has limited battery lifetime which get depleted at a faster rate due to their communication and...
Provided by: International Journal of Computer Applications
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Whitepapers
A Survey on OFDM and IEEE WLAN Standard
March 1, 2013 12:00am PST
In the today's multimedia communication scenario, the demand for high data rate, reliable, high quality digital data increased quickly. Due to the high data rate transmission and the capability to...
Provided by: International Journal of Computer Applications
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Whitepapers
Security Attacks with an Effective Solution for DOS Attacks in VANET
March 1, 2013 12:00am PST
Vehicular Ad hoc Networks is a special kind of mobile ad hoc network to provide communication among nearby vehicles and between vehicles and nearby fixed equipments. VANETs are mainly used for...
Provided by: Lovely Professional University
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Whitepapers
Behavioral Analysis of a Proposed Reputation System for Peer-to-Peer Network
March 1, 2013 12:00am PST
Peer-to-Peer (P2P) networking technologies have gained popularity as a mechanism for users to share files without the need for centralized servers. A P2P network provides a scalable and...
Provided by: International Journal of Computer Applications
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Whitepapers
Spectrum Sensing and Security in Cognitive Radio
March 1, 2013 12:00am PST
This paper analysis performance of energy detection technique for cognitive radio which implies spectrum sensing. Main objective is to reduce interference occur in the cognitive radio systems....
Provided by: International Journal of Computer Applications
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Whitepapers
Modeling, Implementation and Performance Analysis of Selfish Behavior in Enhanced Selfish-DSR Routing Protocol of MANET
March 1, 2013 12:00am PST
The key confront in Mobile Ad hoc NETwork (MANET) is its dynamic nature, which itself carries security measures. The Mobile Ad hoc Network is multi-hop in nature where nodes are required to...
Provided by: International Journal of Computer Applications
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Whitepapers
An Activity Based Selective Paging Scheme for Reporting Centre in Cellular Mobile Networks
March 1, 2013 12:00am PST
The main aim of cellular mobile communication is to discover existing location of mobile terminals to distribute the service, which is well-known as location management. The LM involves tracking...
Provided by: International Journal of Computer Applications
