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(7494 results)-
Whitepapers
Markov Chain Performance Model for IEEE 802.11 Devices With Energy Harvesting Source
November 21, 2012 12:00am PST
Research on energy harvesting networks has attracted an increasing attention lately. Nevertheless, few research of energy harvesting network follows the IEEE 802.11 protocol, whose Medium Access...
Provided by: National Taiwan University
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Whitepapers
Collision Detection in IEEE 802.11 Networks by Error Vector Magnitude Analysis
November 21, 2012 12:00am PST
There are two causes of packet losses during a wireless transmission: losses caused by collisions and losses caused by poor channel conditions. The throughput and spatial reuse of IEEE 802.11...
Provided by: Rensselaer at Hartford
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Whitepapers
Averting Speed Inefficiency in Rate-Diverse WiFi Networks Through Queueing and Aggregation
November 21, 2012 12:00am PST
IEEE 802.11n, the latest version of the widely used standard for wireless LANs, promises significant increases in speed by incorporating multiple enhancements at the physical layer. In this paper,...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
DeepSleep: IEEE 802.11 Enhancement for Energy-Harvesting Machine-to-Machine Communications
November 21, 2012 12:00am PST
As future M2M (Machine-To-Machine) communications aim at supporting wireless networks which feature long range, long operating duration and large device number, the IEEE 802.11ah Task Group is...
Provided by: National Taiwan University
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Whitepapers
Receiver Design for Realizing On-Demand WiFi Wake-Up Using WLAN Signals
November 21, 2012 12:00am PST
In this paper, the authors design a simple, low-cost, and low-power wake-up receiver which can be used for an IEEE 802.11 - compliant device to remotely wake up the other devices by utilizing its...
Provided by: Kansai University
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Whitepapers
Clique Partition Based Relay Placement in WiMAX Mesh Networks
November 21, 2012 12:00am PST
In WiMAX mesh networks based on IEEE 802.16j, when transmission power of the Base Station (BS) and the number of radios and channels are settled, data rate at the SubScriber (SS) is decided by the...
Provided by: Hong Kong Polytechnic University
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Whitepapers
Applying a Goal Programming Model to Support the Selection of Artifacts in a Testing Process
November 12, 2012 12:00am PST
In this paper, the authors propose the definition of a goal programming model for the selection of artifacts to be developed during a testing process, so that the set of selected artifacts is more...
Provided by: Hindawi Publishing
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Whitepapers
802.11ac: Very High Throughput
November 9, 2012 12:00am PST
Also known as Very High Throughput (VHT), 802.11ac is currently an IEEE draft amendment that set out to break the 1 Gbps barrier, to improve Wi-Fi's spectral efficiency, and to expand on the...
Provided by: Ruckus Network
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Whitepapers
Resource Allocation in Mobile WiMAX Network: An Optimal Approach
November 8, 2012 12:00am PST
In the last few years there has been significant growth in the area of wireless communication. IEEE 802.16/WiMAX is the network which is designed for providing high speed wide area broadband...
Provided by: Cornell University
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Whitepapers
Secure Key Management Protocol in WIMAX
November 1, 2012 12:00am PDT
The Worldwide Interoperability for Microwave Access (WIMAX /IEEE 802.16), is new technology based on wireless metropolitan area network. Security of connections access in WIMAX /IEEE 802.16 is...
Provided by: International Journal of Network Security
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Whitepapers
Energy Efficiency of the IEEE 802.15.4 Standard in Wireless Sensor Networks: Modeling and Improvement Perspectives
November 1, 2012 12:00am PDT
The IEEE focuses on the physical and MAC layer of Wireless Sensor Networks (WSN) and the Internet Engineering Task Force (IETF) works on Network layer and higher in the seven layer OSI reference...
Provided by: International Journal of Computer Applications
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Whitepapers
Investigation on IEEE 802.16m Networks Under Developed Error Model
November 1, 2012 12:00am PDT
Contention based bandwidth request mechanism is suggested for best effort services in WiMAX networks. The design of contention mechanism depends on the error model that reflects the transmission...
Provided by: International Journal of Computer Applications
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Whitepapers
Enhancement of TCP Performance with the Help of Snoop Protocol in Wired Cum Wireless Network
November 1, 2012 12:00am PDT
The TCP networks have been the only communication for wired media that followed IEEE 802.3 networks. This paper attempts to provide a comprehensive overview of this Link Layer approach, i.e.,...
Provided by: Academy & Industry Research Collaboration Center
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Whitepapers
Wireless Sensor Network in Niger Delta Oil and Gas Field Monitoring: The Security Challenges and Countermeasures
November 1, 2012 12:00am PDT
The IEEE 802.15.4 specification has enabled low-power, low-cost and smart Wireless Sensor Networks (WSNs) capable of robust and reliable multi-hop communications. An International Oil and gas...
Provided by: Academy & Industry Research Collaboration Center
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Whitepapers
A Study on Resource Allocation Algorithms in Wireless Relay Networks
November 1, 2012 12:00am PDT
In this paper, the multicast routing problem in wireless relay networks is considered. The resource allocation problem in IEEE 802.16j WIMAX Networks is discussed. The relay stations are used to...
Provided by: International Journal of Computer Applications
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Whitepapers
Performance Analysis of Backoff Exponent Behaviour at MAC Layer In ZigBee Sensor Networks
November 1, 2012 12:00am PDT
Topology is one of the major new paradigms and is the premier research topic in ZigBee based Wireless Sensor Network and has opened up new challenges for researchers throughout the World due to...
Provided by: International Journal of Computer Applications
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Whitepapers
Effect of Fading Correlation on the Performance of Spatial Multiplexed MIMO Systems with Circular Antennas
November 1, 2012 12:00am PDT
In this paper the performance of the Vertical Bell LAboratories Space-Time (V-BLAST) detection that is used in spatial multiplexed MIMO system is investigated when fading correlation effects is...
Provided by: Journal of Computing
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Whitepapers
IEEE 802.11 Power Saving Mechanism - A Brief Survey
November 1, 2012 12:00am PDT
As IEEE 802.11 Wireless Local Area Network (WLAN) becomes the prevailing technology for the broad band wireless internet access, its power save mechanism which has been discovered to be naturally...
Provided by: Journal of Computing
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Whitepapers
Novel Fast Encryption Algorithms for Multimedia Transmission over Mobile WiMax Networks
November 1, 2012 12:00am PDT
Security support is mandatory for any communication networks. For wireless systems, security support is even more important to protect the users as well as the network. Since wireless medium is...
Provided by: International Journal of Computer Science Issues
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Whitepapers
Performance Analysis of Scheduling Algorithms For VoIP Services in IEEE 802.16 Systems
November 1, 2012 12:00am PDT
VoIP applications are being widely used in today's networks challenging their capabilities to provide a good quality of experience level to the users. In particular, there are several scheduling...
Provided by: International Journal of Computer Science Issues
