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ieee 802.11
(4501 results)-
Whitepapers
A Hidden Markov Model based Scheme for Efficient and Fast Dissemination of Safety Messages in VANETs
November 21, 2012 12:00am PST
Now-a-days, Vehicle-to-Vehicle (V2V) communication is attracting an increasing attention from car manufacturers due to its expected impact in improving driving safety and comfort. IEEE 802.11P is...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Non-Saturated Performance Analysis of IEEE 802.11 Broadcast in 2-D Mobile Ad Hoc Networks
November 21, 2012 12:00am PST
The non-saturated performance of the IEEE 802.11 broadcast scheme in the two-Dimensional (2-D) mobile ad hoc networks is studied in this paper. A simplified yet reasonable system model is built to...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
An Energy Efficient Multi-channel MAC Protocol for Wireless Ad hoc Networks
November 21, 2012 12:00am PST
The IEEE 802.11 provides multiple channels for wireless communications at the Physical Layer, but the Medium Access Control (MAC) protocol is only designed for a single channel. If the multiple...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
IEEE 802.11 Wireless LANs: Non-saturation Queueing and Delay Analysis
November 21, 2012 12:00am PST
Recently, several analytical models have been proposed to evaluate the performance of IEEE 802.11 RTS/CTS access mode in non-saturation traffic conditions. However, to the best of the authors'...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Analytical Transmit Power Adjustment in Cooperative Vehicle Safety Systems
November 21, 2012 12:00am PST
Vehicular ad hoc networks (Vanets) play a critical role in enabling essential emergency safety applications (e.g., Forward Collision Warning) and subsequently help the driver deal with emergency...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Clock Skew Based Remote Device Fingerprinting Demystified
November 21, 2012 12:00am PST
Commonly used identifiers for IEEE 802.11 Access Points (APs), such as network name (SSID), MAC, or IP address can be easily spoofed. This allows an attacker to fake a real AP and intercept,...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Distributed Sensing of Spectrum Occupancy and Interference in Outdoor 2.4 GHz Wi-Fi Networks
November 21, 2012 12:00am PST
A spectrum monitoring campaign was launched in an outdoor urban radio environment to investigate the potential deployment of Cognitive Radio (CR) Wi-Fi networks in the 2.4 GHz ISM band. The...
Provided by: Institute of Electrical and Electronics Engineers
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Whitepapers
An Empirical Study of Effective Capacity Throughputs in 802.11 Wireless Networks
November 21, 2012 12:00am PST
Current literature defines the effective capacity of a wireless link as the maximum throughput that can be supported while meeting specific Quality of Service targets on packet delay. This metric...
Provided by: Institute of Electrical and Electronics Engineers
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Whitepapers
Enabling Relay-Aided IP Communications in 802.11p/WAVE Networks
November 21, 2012 12:00am PST
The 802.11p/WAVE standards propose a set of technologies and protocols to establish Vehicle-To-Vehicle (V2V), and Vehicle-To-Infrastructure (V2I/I2V) communications. Although important research...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
A Novel Collision Probability Based Adaptive Contention Windows Adjustment for QoS Fairness on Ad Hoc Wireless Networks
November 21, 2012 12:00am PST
It is crucial to achieve Quality of Service (QoS) on IEEE802.11 in order to provide stable and reliable communication for real time and multimedia applications. Most of the recent QoS techniques...
Provided by: University of Otago
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Whitepapers
Two-Tier WBAN/WLAN Healthcare Networks; Priority Considerations
November 21, 2012 12:00am PST
In this paper, by bridging the IEEE 802.15.6-based WBANs and the IEEE 802.11e EDCA-based WLAN the authors develop a wireless healthcare network. They assign 8 WBAN User Priorities (UPs) to the...
Provided by: Institute of Electrical & Electronic Engineers
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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
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
Adaptive Parameters of an Enhanced Backoff Method by Using an Artificial Neural Network Between Mobiles in an Industrial Domain
November 1, 2012 12:00am PDT
This paper is to discuss the exchanges between mobiles moving in an industrial environment. A simulation approach has been chosen in order reach this study. This novel method aimed to minimize the...
Provided by: Lebanese University
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Whitepapers
Prevention of DoS and Memory Exhaustion Attacks: Key Distribution with Confidentiality and Authentication
November 1, 2012 12:00am PDT
Now a day's most of the organizations are moving from wire-connected LAN to wireless LAN. The popularity of the 802.11 network standards stems from the fact that they provide for wireless...
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
