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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
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Whitepapers
Detection of Reactive Jamming in DSSS-Based Wireless Networks
February 15, 2013 12:00am PST
The authors propose a novel approach to detect reactive jammers in Direct Sequence Spread Spectrum (DSSS) wireless networks. The key idea is to use the chip error rate of the first few...
Provided by: Association for Computing Machinery
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Whitepapers
Active Interference Cancellation-Aided QoS-Aware Distributed ARQ for Cognitive Radios With Heterogeneous Traffics
February 13, 2013 12:00am PST
Relay-assisted Automatic Repeat reQuest (ARQ), which allows the relays instead of the source to carry out retransmissions of packets erroneously received at the destination, is an efficient...
Provided by: EURASIP
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Whitepapers
Design and Simulation of Efficient Topology Control Scheme for Wireless Sensor Network
February 12, 2013 12:00am PST
Topology control plays an important role in the design of wireless ad hoc and sensor networks; it is capable of constructing networks that have desirable characteristics such as sparser...
Provided by: International Journal of Electronics Communication and Computer Engineering
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Whitepapers
Energy Efficient Homogenous Clustering and Cluster Head Selection Algorithm for WSN
February 12, 2013 12:00am PST
Wireless Sensor Networks (WSNs) are energy and resource constrained networks, which are made up of small electronic devices called sensor nodes. Each sensor nodes are capable of sensing, computing...
Provided by: International Journal of Electronics Communication and Computer Engineering
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Whitepapers
I3S: Intelligent Spectrum Sensing Scheme for Cognitive Radio Networks
February 11, 2013 12:00am PST
Reliable spectrum sensing is one of the most crucial aspects for the successful deployment of Cognitive Radio (CR) technology. For CR, it is not possible to transmit on a licensed band and sense...
Provided by: EURASIP
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Whitepapers
BPSK Transmitter Design Using FPGA With DAC and Pulse Shaping Filter to Minimize Inter-Symbol Interference(ISI)
February 11, 2013 12:00am PST
In contrast to the sophisticated implementation of Binary Phase Shift Keying (BPSK) transmitter using Application Specific Integrated Circuit (ASIC), mixer, and Local Oscillator(LO) for carrier...
Provided by: IOSR Journal of Engineering
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Whitepapers
Multiple Target Tracking With RF Sensor Networks
February 11, 2013 12:00am PST
RF sensor networks are wireless networks that can localize and track people (or targets) without needing them to carry or wear any electronic device. They use the change in the Received Signal...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
MIMO Broadcasting for Simultaneous Wireless Information and Power Transfer
February 10, 2013 12:00am PST
Wireless Energy Transfer (WET) is a promising technology to provide virtually perpetual energy supplies to wireless networks. Generally speaking, WET is implementable by either the "Near-field"...
Provided by: National University of Singapore
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Whitepapers
Security and Privacy Challenges in Cognitive Wireless Sensor Networks
February 10, 2013 12:00am PST
Wireless Sensor Networks (WSNs) have attracted a lot of interest in the research community due to their potential applicability in a wide range of real-world practical applications. However, due...
Provided by: Tata Consultancy Services Limited
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Discussion Threads
Poll: Which .NET UI tech do you target?
February 8, 2013 6:27am PST
Poll: Which .NET UI tech do you target? article root WinForms and MVC. I'd be so happy for tick boxes instead of radio buttons here. They're not for overlapping technologies. I did tick MVC in...
2 Started by mattohare@... | Latest comment by 333239
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Whitepapers
A Cognitive Mobile BTS Solution with Software-Defined Radioelectric Sensing
February 5, 2013 12:00am PST
Private communications inside large vehicles such as ships may be effectively provided using standard cellular systems. In this paper, the authors propose a new solution based on software-defined...
Provided by: University of Vienna
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Whitepapers
Wireless Information and Power Transfer: A Dynamic Power Splitting Approach
February 4, 2013 12:00am PST
Energy harvesting is a promising solution to prolong the operation time of energy-constrained wireless networks. In particular, scavenging energy from ambient radio signals, namely Wireless Energy...
Provided by: National University of Singapore
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Whitepapers
Traffic Reduction: A Wifi Energy Efficiency Management
February 4, 2013 12:00am PST
Wi-Fi (Wireless Fidelity) is a popular technology that allows an electronic device to exchange data wirelessly (using radio waves) over a computer network, including high-speed Internet...
Provided by: International Journal of Science and Research (IJSR)
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Whitepapers
Optimization of Subcarrier Allocation in Highly Dynamic Cellular Relay Networks
February 2, 2013 12:00am PST
Cellular relay networks prove to be a cost-effective approach that offers significant performance benefits in coverage extension, cell-edge throughput enhancement and increased spectral...
Provided by: Institute of Electrical and Electronics Engineers
