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wi-fi (802.11)
(2369 results)-
White Papers
Managing Hotspot Regions in Wireless/Cellular Networks with Partial Coverage Picocells
Oct 2008
In typical deployments of wireless and cellular networks, traffic hotspots can arise from the non-uniform geographic distribution of the mobile users, and the heavy-tailed nature of their network...
Provided by Association for Computing Machinery
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White Papers
Cool-Tether: Energy Efficient On-theFly WiFi Hot-Spots Using Mobile Phones
Dec 2009
Authors consider the problem of providing ubiquitous yet affordable Internet connectivity to devices at home, at work, and on the move. In this context, authors take advantage of two significant...
Provided by Association for Computing Machinery
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White Papers
Eliminating Backhaul Bottlenecks for Opportunistically Encountered Wi-Fi Hotspots
Oct 2010
Wi-Fi access points can be found in any urban environment and have the potential to be a source of useful bandwidth even for users that are only in range for short periods of time. In this paper,...
Provided by Intel
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White Papers
Complying With DoT Regulation on Secure Use of WiFi: Less in Letter, More in Spirit
May 2009
The Department of Telecommunications (DoT), Government of India, recently published a regulation (dated February 23, 2009) outlining the procedure for secure use of WiFi. All Internet Service...
Provided by AirTight Networks
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White Papers
A Low Power Preamble Detection Methodology for Packet Based Modems
Jan 2010
In order to achieve frame synchronization in packetbased communication systems, a known sequence (Preamble) is sent at the beginning of each packet. This paper presents a low power scheme for...
Provided by University of Oklahoma
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White Papers
Multiple Constraints for Ant Based Multicast Routing in Mobile Ad Hoc Networks
Dec 2009
A Mobile Ad Hoc Network (MANET) is a kind of wireless ad hoc network and is a self-configuring network of mobile routers (and associated hosts) connected by wireless links-the union of which forms...
Provided by Science Publications
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White Papers
Cross-Layer Interaction of TCP and Ad Hoc Routing Protocols in Multihop IEEE 802.11 Networks
Apr 2008
This paper first investigates the cross-layer interaction between TCP and routing protocols in the IEEE 802.11 ad hoc network. On-demand ad hoc routing protocols respond to network events such as...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
New Channel Access Coordination Functions in Large Scale Wireless LAN Systems
Oct 2009
Large-scale wireless LAN systems based on the IEEE 802.11 standards have become the most successful wireless networks deployed in large organizations, such as educational campuses and corporate...
Provided by University of California, Irvine
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White Papers
Multiscale Analysis for Wireless LAN Traffic Characterization
Jan 2010
In this paper, the author's overview the various network traffic models, especially focusing on the multiscale analysis. By multiscale analysis the authors mean wavelet-based self-similar and...
Provided by University of Maryland
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White Papers
Dynamic Scheduling of PCF Traffic in an Unstable Wireless LAN
Jan 2010
Wireless LANs are increasingly popular and are being used for a wide variety of applications. In order to accommodate the demands of real-time services and multimedia based applications, the...
Provided by Santa Clara University
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White Papers
A Dual Authentication Protocol for IEEE 802.11 Wireless LANs
Jan 2010
This paper first identify a vulnerability of IEEE 802.11 wireless LANs in which a compromised access point can still authenticate itself to a wireless station and gain control over the connection,...
Provided by University of South Carolina
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White Papers
Microwave Oven Signal Interference Mitigation for Wi-Fi Communication Systems
Sep 2007
The MicroWave Oven (MWO) is a popular appliance that acts as an unintentional interferer for 2.4 GHz IEEE 802.11 WI-Fi communication signals. An interference mitigation technique is developed that...
Provided by Illinois Institute of Technology
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White Papers
A Hybrid Rogue Access Point Protection Framework for Commodity Wi-Fi Networks
Jan 2008
This paper develops a practical and comprehensive hybrid rogue Access Point (AP) detection framework for commodity Wi-Fi networks. It is the first scheme that combines the distributed wireless...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Extension and Comparison of QoS-Enabled Wi-Fi Models in the Presence of Errors
Apr 2009
This paper compares and enhances the three prevailing approaches of IEEE 802.11e Performance analysis. Specifically, the first model utilizes a Markov Chain to describe the state of the Backoff...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
An Empirical Analysis of Wi-Fi Activity in Three Urban Scenarios
Sep 2009
A better understanding of people's daily behaviors with respect to the underlying wireless network is a crucial step toward Wi-Fi based pervasive networking. Existing analyses found in the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Wi-Fi Based Indoor Localization and Tracking Using Sigma-Point Kalman Filtering Methods
Jan 2010
Estimating the location of people and tracking them in an indoor environment poses a fundamental challenge in ubiquitous computing. The accuracy of explicit positioning sensors such as GPS is...
Provided by Oregon Health & Science University
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White Papers
Poster Abstract: Trace-Based Analysis of Wi-Fi Scanning Strategies
Jun 2009
The number of smartphones in use is overwhelmingly increasing every year. These devices rely on connectivity to the Internet for the majority of their applications. The ever-increasing number of...
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White Papers
Room-Level Wi-Fi Location Tracking
Nov 2008
Context-aware applications for indoor intelligent environments require an appropriately accurate and stable interior positioning system to adapt services to the location of a mobile user or mobile...
Provided by Carnegie Mellon University
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White Papers
Trace-Based Analysis of Wi-Fi Scanning Strategies
Aug 2008
Constant access to the Internet on smartphones enables a plethora of mobile applications. Wireless networking technologies on today's smartphones include: 802.11, and cellular technologies, such...
Provided by University of Waterloo
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White Papers
A Survey of QoS Techniques in 802.11
Jan 2010
The most important functions of the MAC layer for a wireless network include controlling channel access, maintaining Quality of Service (QoS), and providing security. Wireless links have...
Provided by Kent State University
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White Papers
New Prioritization Schemes for QoS Provisioning in 802.11 Wireless Networks
Jul 2008
Due to the unreliable nature of the wireless medium, provisioning of Quality of Service (QoS) in wireless LANs is far more complicated than in wired networks. In order to address this challenge,...
Provided by Polytechnic University
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White Papers
A QoS-Aware Ad Hoc Wireless Network for Isolated Rural Environments
Aug 2007
Ad-hoc wireless networks are constituted by routers enabled to establish wireless links among them in a mesh topology. This kind of networks are becoming very popular because of their potential,...
Provided by Ciudad Universitaria
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White Papers
QoS Provisioning in Wireless Mesh Networks
Oct 2007
In this paper authors describe how the contentionbased medium access mechanism of 802.11e, EDCA, can be enhanced in order to allow stations to reserve medium access for their multimedia...
Provided by Lund University
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White Papers
Admission Control for Multihop Wireless Backhaul Networks With QoS Support
Jan 2010
Despite improvements in wireless access technologies such as 3G or 802.11x, ubiquitous data access has remained a challenge, mainly due to the lack of inexpensive, pervasive backhaul connections...
Provided by University of Maryland
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White Papers
Adaptive QoS in 802.11e Wireless Networks for Lunar Communications
Jan 2008
Lunar surface communications present specific problems that can be solved with well established terrestrial networking standards such as 802.11. Unfortunately, 802.11 have limitations regarding...
Provided by Institute of Electrical and Electronics Engineers
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Whitepapers
Ensuring HIPAA Compliance in Healthcare
Nov 2008
Wireless LANs are prevalent in healthcare institutions. The constant need for mobility among doctors, nurses, and staff while remaining connected to clinical information systems make them an ideal...
Provided by Hewlett-Packard (HP)
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White Papers
Network Coding Based Cooperative Peer-to-Peer Repair in Wireless Ad-Hoc Networks
Feb 2008
Cooperative Peer-to-Peer Repair (CPR) has been proposed to recover from packet losses incurred during 3G broadcast. CPR leverages the increasing presence of multi-homed mobile devices having both...
Provided by University of California
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White Papers
Interference of 802.11B WLAN and Bluetooth: Analysis and Performance Evaluation
May 2010
IEEE 802.11 and Bluetooth, these two operating in the unlicensed 2.4 GHz frequency band are becoming more and more popular in the mobile computing world. The number of devices equipped with IEEE...
Provided by University of Bridgeport
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White Papers
Coexistence of IEEE 802.11b and Bluetooth: An Integrated Performance Analysis
Apr 2008
IEEE 802.11b wireless networks and Bluetooth networks provide complimentary services using the same unlicensed radio frequency band. As the benefits of utilizing these services become increasingly...
Provided by Springer Science+Business Media
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White Papers
IEEE 802.11 & Bluetooth Interference: Simulation and Coexistence
Mar 2010
IEEE 802.11 and Bluetooth, these two operating in the unlicensed 2.4 GHz frequency band are becoming more and more popular in the mobile computing world. The number of devices equipped with IEEE...
Provided by University of Bridgeport
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Whitepapers
Analysis of Energy Efficient End to End Delay for Wireless Sensor Network
Mar 2011
Reducing the energy consumption and increasing the lifetime is the major concern in Wireless Sensor Network (WSN). In most event driven surveillance applications, the end to end delay should also...
Provided by International forum of researchers Students and Academician
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White Papers
Design and Evaluation of a Common Access Point for Bluetooth, 802.11 and Wired LANs
Jan 2010
Devices using wireless technologies like Bluetooth and 802.11b will be ubiquitous in the near future. The technologies supporting these devices will need to co-exist in order to support smooth...
Provided by University of Maryland
-
White Papers
Security Within Ad Hoc Networks
Jan 2010
With the advancement in radio technologies like Bluetooth, IEEE 802.11 or Hiperlan, a new concept of networking has emerged. This is known as ad hoc networking where potential mobile users arrive...
Provided by Nokia
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White Papers
Differentiated Security in Wireless Mesh Networks
Oct 2008
The upcoming IEEE 802.11s standard enables easy establishment and maintenance of wireless mesh networks in residential and enterprise scenarios. They, however, need some special attention with...
Provided by Association for Computing Machinery
-
White Papers
MobiSEC: A Novel Security Architecture for Wireless Mesh Networks
Oct 2008
Wireless Mesh Networks (WMNs) have emerged recently as a technology for next-generation wireless networking. In this paper authors propose MobiSEC, a complete security architecture that provides...
Provided by Association for Computing Machinery
-
White Papers
Coexistence-Aware Scheduling for Wireless System-on-a-Chip Devices
Jun 2010
Today's mobile devices support many wireless technologies to achieve ubiquitous connectivity. Economic and energy constraints, however, drive the industry to implement multiple technologies into a...
Provided by University of California
-
White Papers
QoS Support in MANETs: A Modular Architecture Based on the IEEE 802.11e Technology
Oct 2009
Providing Quality-of-Service (QoS) in wireless ad hoc networks is an intrinsically complex task due to node mobility, distributed channel access, and fading radio signal effects. This goal can be...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Throughput-Oriented MAC for Mobile Ad Hoc Networks: A Game-Theoretic Approach
Dec 2007
The conservative nature of the 802.11 channel access scheme has instigated extensive research whose goal is to improve the spatial reuse and/or energy consumption of a mobile ad hoc network....
Provided by Reed Elsevier
-
White Papers
Mobile 4G: The Revolution Is Here Now
Sep 2010
Business is increasingly becoming a mobile activity, and, as a result, the wireless networks and services used to support that development are growing in importance. In both the...
Provided by Sprint
-
White Papers
Wireless LAN Security - Challenges and Solutions
Sep 2009
Wireless data communications have transformed not only the business world but also the whole human society by improving efficiency, flexibility, convenience and above all productivity besides...
Provided by International Journal of Computer and Electrical Engineering (IJCEE)
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Whitepapers
Achieving Weighted Fairness in IEEE 802.11-Based WLANs: Models and Analysis
Jun 2008
In this paper, the authors consider the problem of providing weighted fairness among multiple priority classes in a IEEE 802.11-based Wireless Local Area Network (WLAN). An enhanced DCF method is...
Provided by Providence College
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Whitepapers
Analysis of Burst Acknowledgement Mechanisms for IEEE 802.11e WLANs Over Fading Wireless Channels
May 2008
Transmission Opportunity or TXOP, is a channel control method introduced in the IEEE 802.11e Wireless Local Area Network (WLAN) standard. The control method includes some new operations developed...
Provided by Providence College
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Whitepapers
The Effect of an Enhanced Channel Assignment Algorithm on an IEEE 802.11 WLAN
Dec 2009
In this paper, a channel-assignment algorithm at the Access Points (APs) of a Wireless Local Area Network (WLAN) is proposed in order to maximize Signal-to-Interference Ratio (SIR) at the user...
Provided by WSDOT
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Whitepapers
Design of Switched Multiband Filters for IEEE 802.11a/b/g WLANs
Aug 2009
The escalating deployment of wireless networking technology as well as other wireless technologies in the same unlicensed spectrum is rapidly increasing the radio frequency interference for Wi-Fi...
Provided by National Institute of Technology, Tiruchirappalli
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Whitepapers
DIRC: Increasing Indoor Wireless Capacity Using Directional Antennas
Aug 2009
The demand for wireless bandwidth in indoor environments such as homes and offices continues to increase rapidly. Although, wireless technologies such as MIMO can reach link throughputs of 100s of...
Provided by Association for Computing Machinery
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Whitepapers
Cross-Layer Design and Performance Analysis of TDMA-Based Backhaul Network
Jul 2009
The needs for bridging of digital divide in rural communities and the economics of currently available broadband access technologies motivate for innovate and deploy new system designs and...
Provided by WSDOT
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Whitepapers
Investigation of Foliage Effects Via Remote Data Logging at 5.8 GHz
Apr 2010
This paper presents an unconventional methodology in examining the extent of vegetation blockage effects imposed on Near Line-Of-Sight (NLOS) fixed wireless links based on Institute of Electrical...
Provided by Universiti Teknikal Malaysia Melaka
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Whitepapers
A Novel Strategy for High Throughput in Ad Hoc Networks Using Potential Transmission Count (PTC) Metric
Aug 2011
A multi-hop wireless network is a network of computers and devices (nodes) which are connected by wireless communication links. The links are most often implemented with digital packet radios....
Provided by Shobankr
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Whitepapers
Improved Power Control MAC Protocol for Wireless Ad Hoc Networks
Jan 2011
Mobile Ad hoc NETworks (MANETs) are multi-hop networks in which mobile nodes operate in a distributed manner without help of any central infrastructure. IEEE 802.11 provides Distributed...
Provided by Jawaharlal Nehru University
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Whitepapers
An Adaptive Energy Efficient Model for Wireless Ad Hoc Networks
Sep 2012
Several transmit power control MAC protocols have been designed primarily to reduce the energy consumption in wireless ad hoc networks. On the other hand, many adaptive rate MAC protocols have...
Provided by Jawaharlal Nehru University
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Whitepapers
DEMO: Simulation of Realistic Mobility Model and Implementation of 802.11p (DSRC) for Vehicular Networks (VANET)
Apr 2012
An Ad-hoc NETwork of Vehicles (VANET) consists of vehicles that exchange information via radio in order to improve road safety, traffic management and do better distribution of traffic load in...
Provided by International Journal of Computer Applications
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Whitepapers
SmartCAC: Call Admission Control Scheme to Guarantee QoS for Voice Over IEEE 802.11 WLANs
Mar 2012
Most of the wireless LANs deployed today is IEEE 802.11b/g compliant. Since IEEE 802.11 standard specifies a contention based MAC- DCF, it cannot support QoS requirements of real-time traffic like...
Provided by International Journal of Computer Applications
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Whitepapers
Receiver Design for Realizing On-Demand WiFi Wake-Up Using WLAN Signals
Nov 2012
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
DeepSleep: IEEE 802.11 Enhancement for Energy-Harvesting Machine-to-Machine Communications
Nov 2012
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
Averting Speed Inefficiency in Rate-Diverse WiFi Networks Through Queueing and Aggregation
Nov 2012
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
Collision Detection in IEEE 802.11 Networks by Error Vector Magnitude Analysis
Nov 2012
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
Markov Chain Performance Model for IEEE 802.11 Devices With Energy Harvesting Source
Nov 2012
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
Two-Tier WBAN/WLAN Healthcare Networks; Priority Considerations
Nov 2012
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
A Novel Collision Probability Based Adaptive Contention Windows Adjustment for QoS Fairness on Ad Hoc Wireless Networks
Nov 2012
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
Retransmission Rate Selection for Block-Based Partial Packet Recovery
Nov 2012
In a Wi-Fi network, partial packets often exist which are packets with some errors. Recent works show that much better efficiency can be achieved by repairing such packets instead of...
Provided by Florida State University
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Whitepapers
Prototyping of Time-Division Unbalanced Carrier Sense Multiple Access and First Experiments
Nov 2012
Wi-Fi is a great technology to extend access to the backbone networks of Internet Service Providers (ISP). Today, access is provided by small-scale Wi-Fi single-hop access networks and resource...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Enabling Relay-Aided IP Communications in 802.11p/WAVE Networks
Nov 2012
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 Communication System With a Fast Handover Under a High Speed Mobile Environment
Jul 2010
This paper proposes a communication system using Wi-Fi (IEEE802.11g) to link between the Internet and high speed rail systems traveling at around 300km/h. In order to adapt Wi-Fi for high speed...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Traffic Scheduling for Smart Grid in Rural Areas With Cognitive Radios
Jul 2010
Communication-Based Train Control (CBTC) system is an automated control system for railways that ensures the safe operation of rail vehicles using wireless data communications. The train-ground...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Throughput Analysis for Cooperation in Random Access Networks
Jul 2010
This paper aims at answering the questions of how to enable cooperative communications in random access networks. And, since cooperation introduces extra transmissions in the channel, what are the...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
The Mobility Impact in IEEE 802.11p Infrastructureless Vehicular Networks
Jul 2010
Vehicular Ad hoc NETworks (VANETs) are an extreme case of Mobile Ad hoc NETworks (MANETs). High speed and frequent network topology changes are the main characteristics of vehicular networks....
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
WI-FI Security by Using Proxy Server
Sep 2012
With the whole world going mobile, data security remains the biggest challenge. Critical data (Business and Safety related) is lying on storage medium on a computer which is connected to hundreds...
Provided by IJCER
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Whitepapers
Throughput Analysis of the IEEE 802.11p Enhanced Distributed Channel Access Function in Vehicular Environment
Jul 2010
Modern Intelligent Transportation Systems (ITS) aim to apply Information and Communication Technologies (ICT) in order to improve quality, effectiveness, and safety of future transportation...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Evaluation of Time-Space Efficiency in CSMA/CA and Slotted Vanets
Jul 2010
Recently slotted protocols have been demonstrated to work also in a distributed way and in a vehicular scenario. In particular one of them, MS-Aloha, has shown interesting scalability features....
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Solving the Coupon Collector's Problem for the Safety Beaconing in the IEEE 802.11p WAVE
Jul 2010
For the WAVE applications built on safety beacons, it is imperative that the neighboring vehicle information be collected as quickly and efficiently as possible. But the unreliability of broadcast...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
A Measurement Study on Internet Access in Vehicular Wi-Fi Networks
Jul 2010
Internet services will be pervasive in future intelligent transportation systems. To this end, vehicular Wi-Fi networks are introduced and widely deployed nowadays. However, quantitative...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
An Optimal Handoff Decision Algorithm for Communication-Based Train Control (CBTC) Systems
Jul 2010
As an advanced train control system, Communication-Based Train Control (CBTC) system can improve the utilization of railway network infrastructure and enhance the level of safety and service...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Mean Mutual Information Per Coded Bit Based Precoding in MIMO-OFDM Systems
Jul 2010
MIMO-OFDM is a spectrum-efficient technology and has been incorporated into many of the wireless standards such as IEEE 802.11, WiMaX and 3GPP LTE. The packaged technologies in standardized...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Implementation of Unified Architecture of 802.11a and 802.16a PHY Layers Using Verilog HDL (R & D)
Apr 2012
WiFi and WiMAX are the well developed and standardized technologies working on OFDM platform. Their physical layer architecture are much similar accept WiMAX physical layer has RS encoder &...
Provided by IOSR Journal of Engineering
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Whitepapers
A General Joint Transceiver Design for Multiuser MIMO Channel Equalization
Jul 2010
Recently, the attentions to Multiple Input Multiple Output (MIMO) systems have increased significantly due to their increased performance. MIMO became a frequently used technique in both wireless...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Vehicle Tracking Using Particle Filter in Wi-Fi Network
Jul 2010
Location tracking for vehicle plays a key role in increasing road safety and transportation efficiency. In this paper, a Wi-Fi based real-time tracking system which can work in both indoor and...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Handling Cross-Layer Attacks Using Neighbors Monitoring Scheme and Swarm Intelligence in MANET
Jan 2013
The standard MAC protocol widely used for Mobile Ad hoc NETworks (MANETs) is IEEE 802.11. When attacks in MAC layer are left as such without paying attention, it could possibly disturb channel...
Provided by International Journal of Computer Applications Technology and Research
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Whitepapers
Performance Analysis of a CSMA/CA Based MAC Protocol for Cognitive Radio Networks
Jul 2010
The authors develop an analytical model to investigate the performance of a decentralized MAC protocol based on IEEE 802.11 DCF for cognitive radio networks with single spectrum band. Their...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Detection of Greedy Nodes in Wireless LAN through Comparing of Probability Distributions of Transmission Intervals
Jan 2013
IEEE 802.11x CSMA/CA DCF MAC protocol supports that wireless nodes have statistically impartial probabilities of wireless channel access through fair competition. However, there is greedy node...
Provided by Science and Development Network (SciDev.Net)
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Whitepapers
The Study of Dynamic Video Frame Mapping Scheme for Multimedia Streaming over IEEE 802.11e WLAN
Jan 2013
The recent trend in Internet traffic indicates the proliferation of multimedia streaming services over wireless networks. The multimedia streaming over wireless access in unison with great...
Provided by Science and Development Network (SciDev.Net)
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Whitepapers
Analysis of Energy Efficient End to End Delay for Wireless Sensor Network
Mar 2011
Reducing the energy consumption and increasing the lifetime is the major concern in Wireless Sensor Network (WSN). In most event driven surveillance applications, the end to end delay should also...
Provided by International forum of researchers Students and Academician
-
White Papers
Design and Evaluation of a Common Access Point for Bluetooth, 802.11 and Wired LANs
Jan 2010
Devices using wireless technologies like Bluetooth and 802.11b will be ubiquitous in the near future. The technologies supporting these devices will need to co-exist in order to support smooth...
Provided by University of Maryland
-
White Papers
Security Within Ad Hoc Networks
Jan 2010
With the advancement in radio technologies like Bluetooth, IEEE 802.11 or Hiperlan, a new concept of networking has emerged. This is known as ad hoc networking where potential mobile users arrive...
Provided by Nokia
-
White Papers
Differentiated Security in Wireless Mesh Networks
Oct 2008
The upcoming IEEE 802.11s standard enables easy establishment and maintenance of wireless mesh networks in residential and enterprise scenarios. They, however, need some special attention with...
Provided by Association for Computing Machinery
-
White Papers
MobiSEC: A Novel Security Architecture for Wireless Mesh Networks
Oct 2008
Wireless Mesh Networks (WMNs) have emerged recently as a technology for next-generation wireless networking. In this paper authors propose MobiSEC, a complete security architecture that provides...
Provided by Association for Computing Machinery
-
White Papers
Coexistence-Aware Scheduling for Wireless System-on-a-Chip Devices
Jun 2010
Today's mobile devices support many wireless technologies to achieve ubiquitous connectivity. Economic and energy constraints, however, drive the industry to implement multiple technologies into a...
Provided by University of California
-
White Papers
QoS Support in MANETs: A Modular Architecture Based on the IEEE 802.11e Technology
Oct 2009
Providing Quality-of-Service (QoS) in wireless ad hoc networks is an intrinsically complex task due to node mobility, distributed channel access, and fading radio signal effects. This goal can be...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Throughput-Oriented MAC for Mobile Ad Hoc Networks: A Game-Theoretic Approach
Dec 2007
The conservative nature of the 802.11 channel access scheme has instigated extensive research whose goal is to improve the spatial reuse and/or energy consumption of a mobile ad hoc network....
Provided by Reed Elsevier
-
White Papers
Mobile 4G: The Revolution Is Here Now
Sep 2010
Business is increasingly becoming a mobile activity, and, as a result, the wireless networks and services used to support that development are growing in importance. In both the...
Provided by Sprint
-
White Papers
Wireless LAN Security - Challenges and Solutions
Sep 2009
Wireless data communications have transformed not only the business world but also the whole human society by improving efficiency, flexibility, convenience and above all productivity besides...
Provided by International Journal of Computer and Electrical Engineering (IJCEE)
-
White Papers
Interference Cancellation and Performance Enhancement in Coexistent Heterogeneous Wireless Packet Networks Using Packet Transmission Time Sharing
Feb 2010
In ubiquitous networking environments, the authors generally need two or more heterogeneous communication systems coexisting in a single place. Especially, Wireless Local Area Networks (WLANs)...
Provided by International Journal of Computer and Electrical Engineering (IJCEE)
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White Papers
Energy-Efficient Protocols for Wireless Networks With Adaptive MIMO Capabilities
Oct 2008
Transmission power control has been used in wireless networks to improve the channel reuse and/or reduce energy consumption. It has been mainly applied to Single-Input Single-Output (SISO)...
Provided by University of Arizona
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White Papers
Analysis of Wireless Network Security Protocols
Dec 2007
Wireless networks have become extremely widespread. However, providing security for these networks has proven to be a challenge due to the problems inherent with the way information is...
Provided by George Mason University
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White Papers
Implementing Smart Grid Communications Managing Mountains of Data Opens Up New Challenges for Electric Utilities
Aug 2009
Electric utilities continue to be among the largest users of privately owned and operated Wide-Area Networks (WANs) for communications. These networks include a hybrid mix of technologies...
Provided by General Electric Company
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White Papers
An Experimental Study on Wi-Fi Ad-Hoc Mode for Mobile Device-to-Device Video Delivery
Mar 2009
The demand for video content is continuously increasing as video sharing on the Internet is becoming enormously popular recently. This demand, with its high bandwidth requirements, has a...
Provided by University of California
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White Papers
Covenant: An Architecture for Cooperative Scheduling in 802.11 Wireless Networks
Oct 2009
Wireless networks based on 802.11a/b/g protocols have gained wide-spread acceptance in both enterprise as well as home networks. However, these devices lack native support for many advanced...
Provided by Purdue University
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White Papers
Wireless Sensor Network Radio Power Management and Simulation Models
Feb 2010
Wireless Sensor Networks (WSNs) create a new frontier in collecting and processing data from remote locations. The IEEE 802.15.4 Wireless Personal Area Network-Low Rate (WPAN-LR) WSNs rely on...
Provided by Virginia Polytechnic Institute and State University
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White Papers
Experimental Analysis of Multi Interface Mobility Management with SIP and MIP
Jan 2010
The authors provide an experimental analysis of MIMM (Multi-Interface Mobility Management) demonstrated in a heterogeneous network involving 802. 1 lb and CDMA access technologies. They have...
Provided by Columbia University
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White Papers
Providing Mobile Users' Anonymity in Hybrid Network
Jul 2010
The authors present a novel hybrid communication protocol that guarantees mobile users' k-anonymity against a wide-range of adversaries by exploiting the capability of handheld devices to connect...
Provided by George Mason University
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White Papers
EDGE, HSPA and LTE BROADBAND INNOVATION
Sep 2008
Through constant innovation, Universal Mobile Telecommunications System (UMTS) with High Speed Packet Access (HSPA) technology and its evolution to beyond Third Generation (3G) has established...
Provided by Rysavy Research
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White Papers
Improving Wireless Privacy With an Identifier-Free Link Layer Protocol
Jul 2008
This paper present the designs and evaluations of an 802.11-like wireless link layer protocol that obfuscates all transmitted bits to increase privacy. This includes explicit identifiers such as...
Provided by Association for Computing Machinery
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White Papers
Characterizing the Exit Process of a Non-Saturated IEEE 802.11 Wireless Network
May 2009
In this paper, the authors consider a non-saturated IEEE 802.11 based wireless network. They use a three-way fixed point to model the node behavior with Bernoulli packet arrivals and determine...
Provided by Association for Computing Machinery
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White Papers
iJam: Jamming Oneself for Secure Wireless Communication
Jan 2010
This paper presents iJam, a PHY-layer protocol for OFDM-based wireless systems. iJam ensures that an eavesdropper cannot successfully demodulate a wireless signal not intended for it. To achieve...
Provided by MIT Computer Science and Artificial Intelligence Laboratory
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White Papers
A Secure Framework for Wireless Sensor Networks
Dec 2007
A large disadvantage to sensor networks in factory environments is the cost of running wire, which ranges from $40 to $2000 per foot. The economical advantages of wireless sensor networks is...
Provided by General Electric
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White Papers
Characterizing Interference in 802.11-Based Wireless Mesh Networks
Jan 2010
In a multihop wireless mesh network, interference among links has a significant impact on the link capacity. Thus, characterizing the interference is critical in understanding and improving the...
Provided by Stony Brook University
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White Papers
Optimizing 802.11 Wireless Mesh Networks Based on Physical Carrier Sensing
Apr 2008
Multi-hop ad hoc networks suffer from the "Hidden" and "Exposed" node problems which diminish aggregate network throughput. While there are various approaches to mitigating these problems, in this...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
IPTV Home Networking Via 802.11 Wireless Mesh Networks: An Implementation Experience
Oct 2009
Wireless multimedia home servers are the next generation of home entertainment systems. From a single broadband connection entering home, multimedia data is transmitted to TV and other peripherals...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
MAP: A Scalable Monitoring System for Dependable 802.11 Wireless Networks
Aug 2008
As individuals and enterprises increasingly depend on 802.11 wireless LANs for mission-critical applications, in particular time-sensitive applications such as voice and video, the need to detect...
Provided by University of Massachusetts
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White Papers
A Prototyping Environment for Wireless Multihop Networks
Sep 2007
Relative to the impressive number of proposals addressing the multitude of challenges raised by IEEE 802.11-based wireless net-works, few have known real implementation. In wireless networks, due...
Provided by University of California
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White Papers
EPEW: An Extended Prototyping Environment for Wireless Mesh Networks
Sep 2008
This paper introduces EPEW, an environment for rapid prototyping of communication protocols over IEEE 802.11 mesh networks. EPEW provides a software environment that makes prototyping as quick,...
Provided by University of California
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White Papers
Exploring 700MHz WiFi-Based Wireless Mesh Networking
May 2009
This paper describes the deployment and evaluation of a 700MHz WiFi-based Wireless Mesh Network (WMN) testbed. To the knowledge, this is the world's first WiFi-based testbed using the...
Provided by Association for Computing Machinery
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White Papers
ARBOR: Hang Together Rather Than Hang Separately in 802.11 WiFi Networks
Dec 2009
With 802.11 WiFi networks becoming popular in homes, it is common for an end-user to have access to multiple WiFi Access Points (APs) from residents next door. In general, wireless networks have...
Provided by University of Colorado at Boulder
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White Papers
A WiFi Measurement in 802.11g Networks
Feb 2010
The hidden terminal problem is closely related to the Transmission Range (TX Range), Carrier Sensing Range (CS Range) and InterFerence Range (IF Range) of stations in wireless local area networks...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Wireless Telemedicine Services Over Integrated IEEE 802.11/WLAN and IEEE 802.16/WiMAX Networks
Feb 2010
Wireless telemedicine, also referred to as mobile health, which capitalizes on advances of wireless technologies to deliver health care and exchange medical knowledge anywhere, and any time,...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
WiMap: Fast Handover for 802.11 Mobile Devices
Aug 2008
Low latency handover is desired to support real time applications, such as VoIP. This paper introduces WiMap, a new handover scheme that uses past information of handovers. Through the analysis...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
MDG: Measurement-Driven Guidelines for 802.11 WLAN Design
Sep 2007
Dense deployments of WLANs suffer from increased interference and as a result, reduced capacity. There are three main functions used to improve the overall network capacity: intelligent frequency...
Provided by Association for Computing Machinery
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White Papers
802.11a or HiperLAN2: Which Technology Will Emerge as the 5 GHz WLAN Standard?
Jan 2011
Wireless networks are becoming increasingly common in homes and businesses alike. Buyers have realized the convenience that cordless networks offer. Prices have plummeted recently opening up the...
Provided by University of Colorado at Boulder
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White Papers
Link-Layer Protection in 802.11i WLANs With Dummy Authentication
Mar 2009
The current 802.11i standard can provide data confidentiality, integrity and mutual authentication in enterprise Wireless Local Area Networks (WLANs). However, secure communication can only be...
Provided by Association for Computing Machinery
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White Papers
IEEE 802.11s Wireless Mesh Networks for Last-Mile Internet Access: An Open-Source Real-World Indoor Testbed Implementation
Feb 2010
Due to their easy-to-deploy and self-healing features, WMNs (Wireless Mesh Networks) are emerging as a new promising technology with a rich set of applications. While the standardization of this...
Provided by Auburn University
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White Papers
Softspeak: Making VoIP Play Fair in Existing 802.11 Deployments
Jan 2011
Voice over IP (VoIP) in 802.11 WIreless networks (WiFi) is an attractive alternative to cellular wireless telephony. Unfortunately, VoIP traffic is well known to make inefficient use of such...
Provided by University of California, San Diego
