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(10384 results)-
Whitepapers
T-Matched Dipole Tag Antenna for Uhf RFID Applications
March 1, 2013 12:00am PST
RFID (Radio Frequency IDentification) is an extremely important technology of automatic identification. It is being used in a wide range of applications such as Electronic Toll Collect (ETC),...
Provided by: International Journal of Advances in Engineering & Technology (IJAET)
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Whitepapers
A Predator-Prey Model for Dynamics of Cognitive Radios
March 1, 2013 12:00am PST
Cognitive radio technology is well-known to enhance spectrum utilization via opportunistic transmission at link level. However, the time dynamics of spectrum utilization among primary system users...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
A Novel Approach for Improving the Performance of TCP by TCP Reno and SACK Acknowledgement in High Traffic Density Conditions With Cognitive Radios
March 1, 2013 12:00am PST
The key factors that contribute to TCP's performance degradation as TCP losses, MAC link failure detection latency, Route computation time and, Link failure notification latency Transmission...
Provided by: ACCENTS
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Whitepapers
Effective Performance Evaluation of On-Demand Routing Protocol for Cognitive Radio Ad Hoc Network
March 1, 2013 12:00am PST
To solve spectrum decision and route selection problem which have vital role in Cognitive Radio Ad Hoc Network (CRAHN), many researchers developed different methodology how efficiently select the...
Provided by: ACCENTS
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Whitepapers
Multi-Level Security for Automotive - RFID Based Technology With Lab VIEW Implementation
March 1, 2013 12:00am PST
Security has become a prominent parameter for all the electronic gadgets. This proposed paper aims at securing the automotive and also preventing the unauthorized persons from accessing it. The...
Provided by: ACCENTS
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Whitepapers
A Novel Radio Over Fiber System for Long Haul Single-Mode-Fiber Transmission
March 1, 2013 12:00am PST
The authors have proposed and demonstrated a novel architecture of a Radio over Fiber (RoF) system in this paper. In this downlink system, the base band data signals are carried by the optical...
Provided by: International Journal of Soft Computing and Engineering (IJSCE)
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Whitepapers
Adaptive Power Saving Dynamic Radio Resource Allocation in OFDMA Based Cellular Relay Networks
March 1, 2013 12:00am PST
In this paper, the authors are analyzing the performance of adaptive power saving resource allocation with frequency reuse method for Orthogonal Frequency Division Multiple Access (OFDMA) based...
Provided by: International Journal of Application or Innovation in Engineering & Management (IJAIEM)
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Whitepapers
Cognitive Radio Network Duality and Algorithms for Utility Maximization
March 1, 2013 12:00am PST
The authors study a utility maximization framework for spectrum sharing among cognitive secondary users and licensed primary users in cognitive radio networks. All the users maximize the network...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Wavelet and S-Transform Based Spectrum Sensing in Cognitive Radio
March 1, 2013 12:00am PST
Cognitive Radio is an intellectual radio having the ability of recognizing the vacant spectrum to transmit the data to avoid spectrum inefficiently usage problem. Here CR uses the spectrum...
Provided by: International Journal of Engineering and Technology
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Whitepapers
Matched Filter Based Spectrum Sensing on Cognitive Radio for OFDM WLANs
March 1, 2013 12:00am PST
For the unlicensed users to use the licensed spectrum, unused frequency bands called white spaces need to be detected. Cognitive Radio does this task by dynamic spectrum access. This requires...
Provided by: International Journal of Engineering and Technology
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Whitepapers
Combined RFID-Biometric Based MIS for Student Information
March 1, 2013 12:00am PST
RFID (Radio Frequency IDentifier) and Biometric now a days are one of the most popular technologies in use today. This paper focuses on creating a MIS (Management Information System) system of...
Provided by: International Journal of Emerging Technology and Advanced Engineering (IJETAE)
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Whitepapers
A Review on Efficient Mutual Authentication RFID System Security Analysis
March 1, 2013 12:00am PST
Radio Frequency IDentification, a non-contact data storage and access technology which reads or writes information in RFID tags by receiving radio frequency signals through RFID readers. RFID tags...
Provided by: International Journal of Engineering and Technology
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Whitepapers
On Coverage Analysis for LTE-A Cellular Networks
March 1, 2013 12:00am PST
In this paper, the authors analyze the coverage area for LTE-A cellular network by taking into account the interference of first tier and frequency reuse planning. They considered the numerical...
Provided by: International Journal of Engineering and Technology
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Whitepapers
Heterogeneous Dynamic Priority Scheduling in Time critical applications: Mobile Wireless Sensor Networks
February 27, 2013 12:00am PST
In the unlicensed band, the notion of primary user and secondary user (to implement cognitive radio) is not explicit. By dynamic priority assignment, the authors propose to implement cognitive...
Provided by: Sasthiah
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Whitepapers
Development of a Mathematical Framework for Comparison of Underlay and Overlay Systems
February 26, 2013 12:00am PST
Overlay and underlay are two main spectrum access strategies in cognitive radio. In this paper, the authors have driven closed form expressions for the primary service outage probabilities of both...
Provided by: International Journal of Electronics Communication and Computer Engineering
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Whitepapers
Multiple Radios for Effective Rendezvous in Cognitive Radio Networks
February 24, 2013 12:00am PST
Rendezvous is a fundamental operation in Cognitive Radio Networks (CRNs) for establishing a communication link on a commonly-available channel between cognitive users. The existing works on...
Provided by: Hong Kong Baptist University
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Whitepapers
Proactive Call Drop Avoidance in UMTS Networks
February 22, 2013 12:00am PST
The rapid advancement of smartphones has instigated tremendous data applications for cell phones. Supporting simultaneous voice and data services in a cellular network is not only desirable but...
Provided by: Arizona State University
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Whitepapers
Opportunistic Wireless Energy Harvesting in Cognitive Radio Networks
February 20, 2013 12:00am PST
Wireless networks can be self-sustaining by harvesting energy from ambient Radio-Frequency (RF) signals. Recently, researchers have made progress on designing efficient circuits and devices for RF...
Provided by: National University of Singapore
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Whitepapers
Performance Analysis of Prioritized Call Admission Control Schemes for Integrated Traffic in Wireless Network
February 19, 2013 12:00am PST
Wireless/mobile communication systems are becoming increasingly popular in recent years. As the wireless resources are scarce, it is important to allocate resources efficiently and carefully, in...
Provided by: International Journal of Electronics Communication and Computer Engineering
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Whitepapers
Low Delay MAC Scheduling for Frequency-Agile Multi-Radio Wireless Networks
February 17, 2013 12:00am PST
Recent trends suggest that cognitive radio based wireless networks will be frequency agile and the nodes will be equipped with multiple radios capable of tuning across large swaths of spectrum....
Provided by: University of Texas at Arlington
