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frame relay
(4659 results)-
Whitepapers
The Thinnest Path Problem
May 16, 2013 12:00am PDT
The authors consider the thinnest path problem in wireless ad hoc networks. For a given source and a destination, the thinnest path problem asks for a path from the source to the destination that...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Optimal Relay Selection for Physical-Layer Security in Cooperative Wireless Networks
May 3, 2013 12:00am PDT
In this paper, the authors explore the physical-layer security in cooperative wireless networks with multiple relays where both Amplify-and-Forward (AF) and Decode-and-Forward (DF) protocols are...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
SMTCI: Secure Multi-Trial Trust Evaluation and Cost-Effective Incentive Mechanism for Multi-Hop Cellular Networks
May 1, 2013 12:00am PDT
In multi-hop cellular networks, finding an optimum and trusted route in the network through intermediate node is a major issue. At MCN, or the next-generation wireless networks, can significantly...
Provided by: Engg Journals Publications
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Whitepapers
Achieving Maximum Energy-Efficiency in Multi-Relay OFDMA Cellular Networks: A Fractional Programming Approach
April 30, 2013 12:00am PDT
In this paper, the joint power and subcarrier allocation problem is solved in the context of maximizing the Energy-Efficiency (EE) of a multi-user, multi-relay Orthogonal Frequency Division...
Provided by: Institute of Electrical and Electronics Engineers
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Whitepapers
Secure Relay Selection Based on Learning With Negative Externality in Wireless Networks
April 26, 2013 12:00am PDT
In this paper, the authors formulate relay selection into a Chinese restaurant game. A secure relay selection strategy is proposed for a wireless network, where multiple source nodes send messages...
Provided by: EURASIP
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Whitepapers
Performance of Distributed Beamforming for Dense Relay Deployments in the Presence of Limited Feedback Information
April 26, 2013 12:00am PDT
In this paper, the authors study the impact of quantized channel feedback on the performance of a (coherent) Distributed Beam-Forming (DBF) scheme. The analysis is done in the context of a...
Provided by: EURASIP
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Whitepapers
Joint Channel/Network Coding for Star Networks
April 26, 2013 12:00am PDT
Channel coding alone is not sufficient to reliably transmit a message of finite length from a source to one or more destinations as in, e.g., file transfer. To ensure that no data is lost, it must...
Provided by: University of Northern Iowa
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Whitepapers
On Modeling Geometric Joint Sink Mobility with Delay-Tolerant Cluster-Less Wireless Sensor Networks
April 19, 2013 12:00am PDT
Moving Sink (MS) in Wireless Sensor Networks (WSNs) has appeared as a blessing because it collects data directly from the nodes where the concept of relay nodes is becomes obsolete. There are,...
Provided by: Dalhousie University
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Whitepapers
Joint Iterative Power Adjustment and Interference Suppression Algorithms for Cooperative DS-CDMA Networks
April 8, 2013 12:00am PDT
In this paper, the authors presents joint iterative power allocation and interference suppression algorithms for DS-CDMA networks which employ multiple relays and the amplify and forward...
Provided by: University of W�rzburg
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Whitepapers
Blind Interference Suppression and Power Adjustment with Alternating Optimization for Cooperative DS-CDMA Networks
April 8, 2013 12:00am PDT
In this paper, the authors presents blind joint interference suppression and power allocation algorithms for DS-CDMA networks with multiple relays and decode and forward protocols. A scheme for...
Provided by: University of W�rzburg
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Whitepapers
Reliability-Aware Iterative Detection Scheme (RAID) for Distributed IDM Space-Time Codes in Relay Systems
April 8, 2013 12:00am PDT
In this paper, distributed Interleave-Division Multiplexing Space-Time Codes (dIDM-STCs) are applied for multi-user two-hop Decode-and-Forward (DF) relay networks. In case of decoding errors at...
Provided by: EURASIP
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Whitepapers
Interference Suppression and Group-Based Power Adjustment via Alternating Optimization for DS-CDMA Networks with Multihop Relaying
April 6, 2013 12:00am PDT
In this paper, the authors presents joint interference suppression and power allocation algorithms for DS-CDMA networks with multiple hops and Decode-and-Forward (DF) protocols. A scheme for joint...
Provided by: University of W�rzburg
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Whitepapers
Relay Based Clustering Protocol for WSN
April 1, 2013 12:00am PDT
The advances in wireless communication embedded computing and electronics have enabled the development of the low-power Wireless Sensor Network (WSN) technologies. A sensor network is a network of...
Provided by: International Journal of Computer Applications
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Whitepapers
Performance Analysis of Two-Hop Amplify and Forward Relayed Transmission in Asymmetric Rayleigh and Rician Fading Environment
April 1, 2013 12:00am PDT
In this paper, the authors present the performance analysis of two-hop relayed transmission over asymmetric Rayleigh and Rician fading environment. In many scenarios, the commonly assumed symmetry...
Provided by: International Journal of Computer Applications
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Whitepapers
Power Optimization in MIMO-CN with MANET
April 1, 2013 12:00am PDT
Cooperative communication has derived an interest for wireless network. Most existing papers on cooperative communications are focused on link-level physical layer issues such as topology control,...
Provided by: IOSR Journal of Engineering
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Whitepapers
Detecting and Preventing Wormhole Attacks In Wireless Sensor Networks
April 1, 2013 12:00am PDT
Due to the rapid development of wireless sensor devices in terms of low power and inexpensive data-relaying has been partially achieved because of the rapid progress in integrated circuits and...
Provided by: IOSR Journal of Engineering
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Whitepapers
Relay Selection for Secure Co-Operative Networks With Jamming
April 1, 2013 12:00am PDT
In this proposed system, the authors investigate joint relay and jammer selection in two-way cooperative networks, consisting of two sources, a number of intermediate nodes, and one eavesdropper,...
Provided by: Creative Commons
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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
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
Simulation and Performance Analysis of Reactive Routing Protocols
April 1, 2013 12:00am PDT
An ad-hoc network is a collection of two or more devices equipped with wireless communications and having networking capability. The devices in the network can communicate with another node that...
Provided by: International Journal of Computer Applications
