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(1353 results)-
White Papers
A Limited Feedback Scheme Based on Spatially Correlated Channels for Coordinated Multipoint Systems
May 18, 2012 12:00am PDT
High spectral efficiency can be achieved in the downlink of multi-antenna coordinated multi-point systems provided that the multi-user interference is appropriately managed at the transmitter...
Provided by: Springer Science+Business Media
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White Papers
Design of an Energy Efficient and Delay Tolerant Routing Protocol for Wireless Body Area Network
May 1, 2012 12:00am PDT
The Wireless Body Area Network provide continuous health monitoring and real-time feedback to the medical personnel. The devices used for WBAN have limited energy resources. For most devices it is...
Provided by: Engg Journals Publications
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White Papers
An Energy-Efficient Learning Automata Based Coordination Topology Maintenance Algorithm for Prolonging Lifetime of Ad Hoc Wireless Networks
April 28, 2012 12:00am PDT
One of the basic restrictions in Ad Hoc Wireless Networks is energy supply and because of that proposing of power saving protocols that do the normal tasks of network without significantly...
Provided by: Amirkabir University of Technology
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White Papers
Cognitive Wireless Sensor Networks Framework for Green Communications Design
April 25, 2012 12:00am PDT
Cognitive Wireless Sensor Networks is an emerging technology with great potential to avoid traditional wireless problems such as reliability, interferences and spectrum scarcity. Because of the...
Provided by: IARIA
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White Papers
Synthesis for Optimal Two-Player Decentralized Control Over TCP Erasure Channels With State Feedback
April 3, 2012 12:00am PDT
Recent advances in communication networks and VLSI have made it possible to provide services remotely. In fact, an increasing number of current services and future deployments, such as distributed...
Provided by: Stanford University
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White Papers
Control Scheme of the Neighbour Information of Feedback Message Based on Neighbourhood Density in Insens
April 1, 2012 12:00am PDT
An INSENS protocol is proposed to construct secure Wireless Sensor Networks (WSNs) that prevent attacks aimed at the network layer of WSNs. To achieve these objectives, all nodes which compose the...
Provided by: Academy & Industry Research Collaboration Center
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White Papers
A List of Maximum Period NLFSRs
March 27, 2012 12:00am PDT
Non-Linear Feedback Shift Registers (NLFSRs) are a generalization of Linear Feedback Shift Registers (LFSRs) in which a current state is a nonlinear function of the previous state. While the...
Provided by: KTH Royal Institute of Technology
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White Papers
A Set-Top Box With Virtual Platform Support for QoS Management in IMS Based Multiple Provider Networks
March 25, 2012 12:00am PDT
Set-Top Box (STB) has evolved from being a device just sitting on top of a TV shelf to a device providing a gateway to the Internet for a home network, receiving services from multiple content...
Provided by: Kyung Hee University
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White Papers
Irida: A Real-Time Wireless Sensor Network Visualization Feedback Protocol
March 19, 2012 12:00am PDT
In this paper, the authors describe the implementation of a real time visualization and feedback system for Wireless Sensor Network algorithms. The system is based on a fixed hardware testbed,...
Provided by: Cornell University
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White Papers
Performance of MIMO Systems in Measured Indoor Channels With Transmitter Noise
March 15, 2012 12:00am PDT
This paper analyzes the impact of transmitter noise on the performance of Multiple-Input Multiple-Output (MIMO) systems with linear and nonlinear receivers and precoders. The authors show that the...
Provided by: EURASIP
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White Papers
OnController Initialization in Multivariable Switching Systems
March 15, 2012 12:00am PDT
The authors consider a class of switched systems which consists of a linear MIMO and possibly unstable process in feedback interconnection with a multi-controller whose dynamics switch. It is...
Provided by: University of California
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White Papers
Novel Dissimilarity Algorithm for Content Based Image Retrieval
March 9, 2012 12:00am PST
Target search in Content-Based Image Retrieval (CBIR) systems refers to finding a specific (target) image such as a particular registered logo or a specific historical photograph. Existing...
Provided by: International Journal of Computer Science and Information Technologies
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White Papers
Multiuser Diversity in Correlated Rayleigh-Fading Channels
March 8, 2012 12:00am PST
This paper studies the effect of scheduling and multiuser diversity on the performance of correlated Rayleigh-fading channels. More specifically, the power-limited channel average rate is obtained...
Provided by: EURASIP
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White Papers
Two-Stage Compensator Designs With Partial Feedbacks
March 3, 2012 12:00am PST
The two-stage compensator designs of linear system are investigated in the framework of the factorization approach. First, the authors give "Full feedback" two-stage compensator design. Based on...
Provided by: University of Aizu
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White Papers
Large System Analysis of Zero-Forcing Precoding in MISO Broadcast Channels With Limited Feedback
March 1, 2012 12:00am PST
In this paper, the authors analyze the sum rate of Zero-Forcing (ZF) precoding in MISO broadcast channels with limited feedback, transmit correlation and path loss. Their analysis assumes that the...
Provided by: EURECOM
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White Papers
Design and Analysis of a Novel Digital Image Encryption Scheme
March 1, 2012 12:00am PST
In this paper, a new image encryption scheme using a secret key of 144-bits is proposed. In the substitution process of the scheme, image is divided into blocks and subsequently into color...
Provided by: Academy & Industry Research Collaboration Center
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White Papers
Implementation of Random Number Generator Using LFSR for High Secured Multi Purpose Applications
March 1, 2012 12:00am PST
Random numbers are required in a wide variety of applications. As digital systems become faster and denser, it is feasible, and frequently necessary, to implement random number generators directly...
Provided by: International Journal of Computer Science and Information Technologies
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White Papers
On the Immunity of Rotation Symmetric Boolean Functions Against Fast Algebraic Attacks
February 28, 2012 12:00am PST
Boolean functions are frequently used in the design of stream ciphers, block ciphers and hash functions. One of the most vital roles in cryptography of Boolean functions is to be used as filter...
Provided by: Chinese Academy of Sciences
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White Papers
R Bits User Selection Switch Feedback for Zero Forcing MU-MIMO Based on Low Rate Codebook
February 27, 2012 12:00am PST
Channel feedback for Multi-User (MU)-Multiple-Input Multiple-Output (MIMO) has been widely studied and some results have been got with random vector quantization scheme. However, while the low...
Provided by: Springer
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White Papers
Feedback, Transport Layer Protocols and Buffer Sizing
February 23, 2012 12:00am PST
A key aspect of network performance is coupled with the design of transport layer protocols, the choice of feedback from queues, and by the buffer sizing requirements at routers. In this paper,...
Provided by: IARIA
