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ieee 802.11
(4497 results)-
Whitepapers
A MAC Protocol for Provisioning QoS and Energy-Efficiency in WSNs
August 1, 2012 12:00am PDT
Reliable environment monitoring and information collection with an energy efficiency mechanism is a goal in new wireless sensor network applications. In some applications, reliability and delay...
Provided by: International Journal of Computer Theory and Engineering (IJCTE)
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Whitepapers
Measurement Based Outdoor Link Level Investigation on IEEE 802.11 Channels
August 1, 2012 12:00am PDT
The awareness of channel conditions is critical to routing and MAC protocols. But, it is challenging to assess channel conditions due to the highly dynamic nature of wireless links. As a...
Provided by: International Journal of Computer Theory and Engineering (IJCTE)
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Whitepapers
Data Security on WLAN
August 1, 2012 12:00am PDT
A Wireless Local Area Network (WLAN) has been widely used in many sectors. As the name wireless means a network without wire in which radio signals are used to transmit data. This technology is...
Provided by: International Journal of Scientific Research Engineering &Technology (IJSRET)
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Whitepapers
Throughput Analysis of IEEE 802.11b Wireless LAN With One Access Point Using Opnet Simulator
July 31, 2012 12:00am PDT
This paper analyzes the throughput performance of IEEE 802.11b Wireless Local Area Network (WLAN) with one access point. The IEEE 802.11b is a wireless protocol standard. In this paper, a wireless...
Provided by: The Schwa
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Whitepapers
Achieving Per-Flow and Weighted Fairness for Uplink and Downlink in IEEE 802.11 WLANs
July 31, 2012 12:00am PDT
In this paper, the authors investigate a fairness issue between uplink and downlink flows in IEEE 802.11 Wireless Local Area Networks (WLANs). They propose a cross-layer adaptive algorithm which...
Provided by: EURASIP
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Whitepapers
Jamming-Resistant Rate Control in Wi-Fi Networks
July 27, 2012 12:00am PDT
Recent experimental studies reveal that several well-known and widely deployed Rate Adaptation Algorithms (RAAs) in 802.11 WLANs are vulnerable to selective jamming attacks. However, previous work...
Provided by: Boston University
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Whitepapers
On the Performance of Packet Aggregation in IEEE 802.11ac MU-MIMO WLANs
July 26, 2012 12:00am PDT
Multi-user spatial multiplexing combined with packet aggregation can significantly increase the performance of Wireless Local Area Networks (WLANs). In this paper, the authors present and evaluate...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Channel Assignment on Wireless Mesh Network Backbone with Potential Game Approach
July 20, 2012 12:00am PDT
The Wireless Mesh Network (WMN) has already been recognized as a promising technology as broadband access network from both academic and industry points of view. In order to improve its...
Provided by: TOHOKU ELECTRIC POWER
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Whitepapers
Joint Rate Adaptation and Medium Access in Wireless LANs: A Non-Cooperative Game Theoretic Perspective
July 18, 2012 12:00am PDT
Wireless Local Area Networks (WLANs) based on IEEE 802.11 standards are becoming ubiquitous today and typically support multiple data rates. In such multi-rate WLANs, distributed medium access and...
Provided by: University of Paris 13
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Whitepapers
Mac Protocols in Mobile Ad Hoc Networks
July 17, 2012 12:00am PDT
Mobile Ad hoc NETwork (MANET) is a wireless network of mobile nodes connected by wireless link without a central control. The Medium Access Control (MAC) protocol is one of the important issues in...
Provided by: Brno University of Technology
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Whitepapers
What You Need to Know About 802.11ac
July 16, 2012 12:00am PDT
The appetite for wireless bandwidth is seemingly insatiable. Fifteen years ago, the first standard wireless LANs emerged at 1 Mbps and 2 Mbps to serve niche applications such as warehouse picking,...
Provided by: Motorola
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Whitepapers
Role of Feature Reduction in Intrusion Detection Systems for 802.11 Attacks
July 14, 2012 12:00am PDT
Intrusion Detection Systems (IDSs) are a major line of defense for protecting network resources from illegal penetrations. A common approach in intrusion detection models, specifically in anomaly...
Provided by: IJCER
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Whitepapers
Enhancement of TCP Fairness in IEEE 802.11 Networks
July 12, 2012 12:00am PDT
The usage of fixed buffers in 802.11 networks has a number of disadvantages associated with it. This includes high delay, reduced throughput and inefficient channel utilisation. To overcome this,...
Provided by: Academy & Industry Research Collaboration Center
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Whitepapers
Performance Evaluation of Multiple-Antenna IEEE 802.11p Transceivers Using an FPGA-Based MIMO Vehicular Channel Emulator
July 12, 2012 12:00am PDT
The IEEE 802.11p standard has been optimized for low-delay small-bandwidth wireless communications to provide vehicular safety services. However, IEEE 802.11p transceivers can considerably improve...
Provided by: Springer Healthcare
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Whitepapers
A Resource Management Strategy Based on the Available Bandwidth Estimation to Support VoIP Across Ad Hoc IEEE 802.11 Networks
July 12, 2012 12:00am PDT
This paper focuses on performance evaluation to study the effects of the resource management strategy in ad hoc networks. The presented strategy is a result of the new outlook on the IEEE 802.11...
Provided by: IARIA
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Whitepapers
Community Telephone Networks in Africa - Bridging the Gap Between Poverty and Technology
July 12, 2012 12:00am PDT
Many new cell phones on the market come with 802.11 enabled, along with standard Bluetooth functionality. A large percentage of working class people in South Africa typically cannot afford 802.11...
Provided by: IARIA
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Whitepapers
Handoff Management in Communication-Based Train Control Networks Using Stream Control Transmission Protocol and IEEE 802.11p WLANs
July 9, 2012 12:00am PDT
Communication-Based Train Control (CBTC) network is an automated control network for railways that ensures the safe operation of rail vehicles using data communications. CBTC networks have...
Provided by: Springer Healthcare
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Whitepapers
Systematic Raptor Codes for Safety Broadcast in an Unsaturated Vehicular Highway Environment
July 9, 2012 12:00am PDT
Active safety broadcast is one of the most fundamental services in intelligent transportation systems. The repetition code proposed in Wireless Access for Vehicular Environment (WAVE) standard is...
Provided by: Springer Healthcare
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Whitepapers
Interference-Safe CSMA Networks by Local Aggregate Interference Power Measurement
July 7, 2012 12:00am PDT
Most current wireless IEEE 802.11 networks rely on a power-threshold based Carrier-Sensing Multi-Access (CSMA) mechanism to prevent packet collisions, in which a transmitter permits its...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Comparative Performance Evaluation of Wi-Fi IEEE 802.11 A,G WEP PTP Links
July 6, 2012 12:00am PDT
Wireless communications using microwaves are increasingly important, such as Wi-Fi. Performance is a crucial issue, leading to more reliable and efficient communications. Security is equally...
Provided by: International Association of Engineers
