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wireless
(18851 results)-
White Papers
A Smart Multi-Hop Hierarchical Routing Protocol for Efficient Video Communication Over Wireless Multimedia Sensor Networks
March 4, 2012 12:00am PST
For smart applications, nodes in Multimedia Wireless Sensor Networks (MWSNs) have to take decisions based on sensed scalar physical measurements. A routing protocol must provide the multimedia...
Provided by: University of Bern
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White Papers
Ten Years of Research in Spectrum Sensing and Sharing in Cognitive Radio
March 3, 2012 12:00am PST
Cognitive Radio (CR) can successfully deal with the growing demand and scarcity of the wireless spectrum. To exploit limited spectrum efficiently, CR technology allows unlicensed users to access...
Provided by: Springer
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White Papers
Protection of Primary Users in Dynamically Varying Radio Environment: Practical Solutions and Challenges
March 3, 2012 12:00am PST
One of the primary objectives of deploying Cognitive Radio (CR) within a Dynamic Spectrum Access (DSA) network is to ensure that the legacy rights of incumbent licensed (primary) transmissions are...
Provided by: Springer
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White Papers
Optimizing TCP Vegas' Performance With Packet Spacing and Effect of Variable FTP Packet Size Over Wireless IPv6 Network
March 3, 2012 12:00am PST
This paper describes the performance of TCP Vegas over the wireless IPv6 network. The performance of TCP Vegas is evaluated using network simulator (ns-2). The simulation experiment investigates...
Provided by: World Academy of Science, Engineering and Technology
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White Papers
Minimizing Energy Consumption in Wireless Sensor Networks Using Binary Integer Linear Programming
March 3, 2012 12:00am PST
The important issue considered in the widespread deployment of Wireless Sensor Networks (WSNs) is an efficiency of the energy consumption. In this paper, the authors present a study of the optimal...
Provided by: Suranaree University of Technology
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White Papers
A Novel Framework for Abnormal Behaviour Identification and Detection for Wireless Sensor Networks
March 3, 2012 12:00am PST
Despite extensive study on wireless sensor network security, defending internal attacks and finding abnormal behaviour of the sensor are still difficult and unsolved task. The conventional...
Provided by: World Academy of Science, Engineering and Technology
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White Papers
Overhead Estimation Over Capacity of Mobile WiMAX
March 3, 2012 12:00am PST
The IEEE802.16 standard which has emerged as Broadband Wireless Access (BWA) technology, promises to deliver high data rate over large areas to a large number of subscribers in the near future....
Provided by: World Academy of Science, Engineering and Technology
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White Papers
Joint Design of MIMO Relay Networks Based on MMSE Criterion
March 3, 2012 12:00am PST
This paper deals with wireless relay communication systems in which multiple sources transmit information to the destination node by the help of multiple relays. The authors consider a signal...
Provided by: World Academy of Science, Engineering and Technology
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White Papers
Achieving Small World Properties Using Bio-Inspired Techniques in Wireless Networks
March 3, 2012 12:00am PST
It is highly desirable and challenging for a wireless ad hoc network to have self-organization properties in order to achieve network wide characteristics. Studies have shown that Small World...
Provided by: CNRS
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White Papers
Reconfigurable Parasitic Antennas for Compact Mobile Terminals in Multiuser Wireless Systems
March 2, 2012 12:00am PST
This paper considers the exploitation of parasitic antenna arrays in Multi-User (MU) wireless communication systems by using their adaptive beamforming capabilities in order to improve the average...
Provided by: EURASIP
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White Papers
On Energy-Efficient TCP Traffic Over Wireless Cooperative Relaying Networks
March 2, 2012 12:00am PST
Cooperative relay is a promising technology to provide better end-to-end performance for wireless communication through spatial diversity. Most of previous study on relay networks concentrates on...
Provided by: EURASIP
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White Papers
Hypothesis Testing and Decision Theoretic Approach for Fault Detection in Wireless Sensor Networks
March 2, 2012 12:00am PST
Sensor networks aim at monitoring their surroundings for event detection and object tracking. But due to failure or death of sensors, false signal can be transmitted. In this paper, the authors...
Provided by: University of Ottawa
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White Papers
Algorithms for Wireless Capacity
March 2, 2012 12:00am PST
In this paper, the authors address two basic questions in wireless communication: First, how long does it take to schedule an arbitrary set of communication requests? Second, given a set of...
Provided by: Cornell University
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White Papers
Joint Coding and Scheduling Optimization in Wireless Systems With Varying Delay Sensitivities
March 2, 2012 12:00am PST
Throughput and per-packet delay can present strong trade-offs that are important in the cases of delay sensitive applications. The authors investigate such trade-offs using a random linear network...
Provided by: Massachusetts Institute of Technology
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White Papers
Forwarders Selection Mechanism Based on Packets Transmission Rate for Opportunistic Routing in Wireless Mesh Network
March 1, 2012 12:00am PST
In this paper, a novel routing metric TRE (Transmission Rate based on EEPEST (End-to-End Probability of Effective Successful Transmission)) is proposed to choose the forwarder list, which is based...
Provided by: Beijing University of Posts and Telecommunications
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White Papers
Towards an Optimal Lifetime in Heterogeneous Surveillance Wireless Sensor Networks
March 1, 2012 12:00am PST
In this paper, the authors study the coverage problem for heterogeneous wireless sensor networks where different targets need to be covered (sensed) by different types of wireless sensors running...
Provided by: EURASIP
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White Papers
Design and Performance Evaluation of a Lightweight Wireless Early Warning Intrusion Detection Prototype
March 1, 2012 12:00am PST
The proliferation of wireless networks has been remarkable during the last decade. The license-free nature of the ISM band along with the rapid proliferation of the Wi-Fi-enabled devices,...
Provided by: EURASIP
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White Papers
Architecture Optimization for 4g Networks
March 1, 2012 12:00am PST
4G Communication Networks provide heterogeneous wireless technologies to mobile subscribers through IP based networks and users can avail high speed access while roaming across multiple wireless...
Provided by: IJESAT (International Journal of Engineering Science & Advanced Technology)
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White Papers
Balancing the Network Overload for the Lifetime Enhancement of Wireless Sensor Networks
March 1, 2012 12:00am PST
Energy efficient techniques play a significant role in saving the energy consumption of the network and to maximize the network lifetime. With the energy constrained nature of sensor nodes, it is...
Provided by: IJESAT (International Journal of Engineering Science & Advanced Technology)
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White Papers
Detection of Sybil Attack in Mobile Wireless Sensor Networks
March 1, 2012 12:00am PST
Security of Wireless sensor networks is one of the major issues; hence research is being done on many routing attacks on wireless sensor networks. This paper focuses on Sybil method and its...
Provided by: IJESAT (International Journal of Engineering Science & Advanced Technology)
