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(5024 results)-
White Papers
Influence Number of Antennas on the Total Sensing Time in Cognitive Radio Systems
October 1, 2011 12:00am PDT
In the Cognitive Radio (CR) systems the total scanning time that is the time taken by the receiver to sense the spectrum is one of the issues in perspective of the overall system performance. This...
Provided by: Journal of Computing
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Whitepapers
Micro Strip Patch Antenna and Its Applications: A Survey
October 1, 2011 12:00am PDT
The study of microstrip patch antennas has made great progress in recent years. Compared with conventional antennas, microstrip patch antennas have more advantages and better prospects. They are...
Provided by: International Journal of Computer Technology and Applications
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White Papers
Hard Real-Time Garbage Collection for a Java Chip Multi-Processor
September 28, 2011 12:00am PDT
Garbage collection is a well known technique to increase program safety and developer productivity. Within the past few years, it has also become feasible for uniprocessor hard real-time systems....
Provided by: Association for Computing Machinery
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Whitepapers
Solutions for Cost-Effective Fax Routing Using Bar Codes
September 27, 2011 12:00am PDT
In the second half of the 20th century, the optically scanned bar code made its debut in the railroad industry for labeling rail cars. After some fallbacks and inroads into other sectors, the...
Provided by: OpenText
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Whitepapers
Joint Switched Transmit Diversity and Adaptive Modulation in Spectrum Sharing Systems
September 26, 2011 12:00am PDT
Under the scenario of an underlay cognitive radio network, the authors propose in this paper an adaptive scheme using switched transmit diversity and adaptive modulation in order to minimize the...
Provided by: ICST
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White Papers
Building the Business Case for Wireless Sensors in a Factory Setting
September 23, 2011 12:00am PDT
With the advent of the low complexity wireless technology Zigbee, different cheaper and more energy efficient wireless transceivers became available on the market. These chipsets are gradually...
Provided by: Ghent University
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Whitepapers
Enhanced Hierarchical Clustering for Gene Expression Data
September 3, 2011 12:00am PDT
Micro arrays are used to assess the transcriptome of many biological systems that has generated an enormous amount of data. Cluster analysis is a technique used to group and analyze micro array...
Provided by: International Journal of Computer Applications
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Whitepapers
Signal Processing Algorithms for Removing Banding Artifacts in MRI
September 2, 2011 12:00am PDT
In Magnetic Resonance Imaging (MRI), the Balanced Steady State Free Precession (bSSFP) pulse sequence has shown to be of great interest, due to its relatively high signal-to-noise ratio in a short...
Provided by: EURASIP
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Whitepapers
Random Sampling ADC for Sparse Spectrum Sensing
September 2, 2011 12:00am PDT
Scanning large bandwidths (spectrum sensing) pushes today's analog hardware to its limits since periodic sampling at Nyquist rate with sufficient resolution is often prohibitively complex. In this...
Provided by: EURASIP
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Whitepapers
Eliminating Errors in Worm Propagation Models
September 1, 2011 12:00am PDT
Research on worm propagation has been conducted for over a decade. However, traditional models overestimate the scale of the infected network that leads to propagation errors because of limited...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Web Log Mining Using Improved Version of Apriori Algorithm
September 1, 2011 12:00am PDT
Association rule mining is one of the important and most popular data mining techniques. It extracts interesting correlations, frequent patterns and associations among sets of items in the...
Provided by: International Journal of Computer Applications
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Whitepapers
Implementing High Performance Lexical Analyzer Using CELL Broadband Engine Processor
September 1, 2011 12:00am PDT
The lexical analyzer is the first phase of the compiler and commonly the most time consuming. The compilation of large programs is still far from optimized in today's compilers. With modern...
Provided by: International Journal of Engineering Science and Technology
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Whitepapers
EHR Simplified: Your Path of Most Assistance to Achieve Meaningful Use
August 30, 2011 12:00am PDT
What does EHR onsite assessment entail? HP will assess the current state of your technology environment and determine necessary requirements to implement Electronic Health Record (EHR) system....
Provided by: Hewlett-Packard (HP)
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Whitepapers
Duty-Cycle Scheduling for Intruder Detection in Wireless Sensor Networks
August 29, 2011 12:00am PDT
Energy consumption and detection delay are two major concerns in the application of intruder detection in sensor networks, where a low delay and low energy consumption are hard to achieve at the...
Provided by: New Jersey Institute of Technology
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Whitepapers
A Study of a Reflectarray Topology Based on Coupled Oscillator Arrays Using Substrate Integrated Waveguide Technology
August 19, 2011 12:00am PDT
This paper presents the design of a reflectarray based on coupled oscillators, whose elements are active cavity-backed antenna oscillators. The cavity backed topology, implemented in Substrate...
Provided by: Institute of Electrical & Electronic Engineers
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White Papers
Collaborative Compressive Spectrum Sensing in a UAV Environment
August 15, 2011 12:00am PDT
Spectrum sensing is of fundamental importance to many wireless applications including cognitive radio channel assignment and radiolocation. However, conventional spectrum sensing can be...
Provided by: Harvard University
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White Papers
Quantifying the Channel Quality for Interference-Aware Wireless Sensor Networks
August 11, 2011 12:00am PDT
Reliability of communications is key to expand application domains for sensor networks. Since Wireless Sensor Networks (WSN) operate in the license-free Industrial Scientific and Medical (ISM)...
Provided by: Instituto Politécnico do Porto
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Whitepapers
Minimise hack risk for financial institutions
August 10, 2011 12:00am PDT
No business is immune to hackers and, as Citigroup recently discovered, that includes financial institutions. Exploits from web services can be used in attacks, and the risk increases as more...
Provided by: IBM
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Whitepapers
Using Java for Distributed Computing in the Gaia Satellite Data Processing
August 1, 2011 12:00am PDT
In recent years Java has matured to a stable easy-to-use language with the flexibility of an interpreter (for reflection etc.) but the performance and type checking of a compiled language. When,...
Provided by: Cornell University
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Whitepapers
Modeling Worms Propagation on Probability
July 27, 2011 12:00am PDT
There are the two common means for propagating worms: scanning vulnerable computers in the network and sending out malicious email attachments. Modeling the propagation of worms can help one...
Provided by: Institute of Electrical & Electronic Engineers
