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wi-fi (802.11)
(2375 results)-
White Papers
The Importance of Wireless Subscriber Stations to Successful
Dec 2009
Recent times have seen a proliferation in citywide wireless networks. Network operators and service providers have begun realizing that wireless subscriber stations will play a crucial role in...
Provided by Pepwave
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Webcasts
Three Ways to Reduce Power Consumption Costs,While Improving Your IT Security and Productivity
Jul 2010
Organizations stand to save themselves a significant amount of money by managing the power consumption of their IT systems. But if they aren't careful, they could potentially save their way right...
Provided by Lumension
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White Papers
How to Cable 802.11n Wireless Access Points
Jan 2008
The 802.11n standard is an important advance in wireless Local Area Networks (LANs). In 2007, residential consumers began installing 802.11n products and in 2008 enterprises will begin adopting en...
Provided by Fluke
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White Papers
5Ghz IEEE 802.11a for Interference Avoidance
Aug 2009
The proliferation of wireless devices in the 2.4GHz ISM (Industrial, Scientific, And Medical) unlicensed spectrum has created significant sources of interference for 802.11bg networks. Although...
Provided by Motorola
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White Papers
802.11n in the Outdoor Environment: How Motorola Is Transforming Outdoor Mesh Networks to Leverage Full "N" Advantages
Dec 2009
Many current mesh network deployments are based on Wi-Fi technology, the common term for wireless services meeting the IEEE 802.11 standards. Up to now, the best available data speeds leveraging...
Provided by Motorola
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White Papers
802.11n Demystified: Key Considerations for N-Abling the Wireless Enterprise
Feb 2009
IEEE 802.11n is a next generation wireless technology that delivers spectacular improvements in the reliability, speed, and range of 802.11 communications. Delivering about 6 times the data rate...
Provided by Motorola
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White Papers
Intelligent Spectrum Management
Aug 2010
The Federal Communications Commission has pledged to "find" 500 MHz of additional licensed broadband spectrum within the next ten years to help meet the growing demand for wireless broadband data...
Provided by Spectrum Bridge
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Whitepapers
Optimal Frequency Assignment for IEEE 802.11 Wireless Networks
Mar 2008
The performance of Wireless Local Area Networks (WLANs) is based on the performance of the corresponding Access Points (APs). Nowadays, network engineers tend to manually assign data channels...
Provided by John Wiley & Sons
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White Papers
Time Stamping for IEEE 1588 Based Clock Synchronization in Wireless LAN
Oct 2009
Clock synchronization is one of the enabling technologies for real-time networking. This paper is motivated by the need for WLAN support of real-time factory automation networks. These networks...
Provided by Institute of Electrical and Electronics Engineers
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Case Studies
Florida State University Panama City Puts Experts and Investigators "On Site" at Underwater Crime Scenes in Real Time
Jan 2010
Florida State University Panama City's Underwater Crime Scene Investigation (UCSI) team needed a way to connect divers to investigators and experts on shore, to make the investigation and...
Provided by IBM
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White Papers
A High Dynamic Range Multi-Standard CMOS Mixer for GSM, UMTS and IEEE802.11b-g-a Applications
Jan 2008
Software defined radios are a topic of intense research and constitute one key industry need for future generation wireless products. This paper investigates the down-conversion mixer, a...
Provided by Institute of Electrical and Electronics Engineers
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Whitepapers
Channel Assignment Algorithms: A Comparison of Graph Based Heuristics
May 2009
This paper gives the comparison of different channel assignment heuristics proposed in the literature and introduces a new algorithm named MCAIR. Specifically, it compares, static, multi-radio...
Provided by Association for Computing Machinery
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White Papers
Wi-Fi Community Area Networks Enable a Connected Community
Jan 2010
The authors propose a Community Area Network (CAN), which is an all-wireless network connecting a community or a metropolitan area. This is a multi-hop network consisting of many Wi-Fi supernodes,...
Provided by University of New Mexico
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White Papers
A Case for WiFi Relay: Improving VoIP Quality for WiFi Users
Feb 2010
Voice over Internet (VoIP) has been experiencing enormous growth in recent years. While posed to replace traditional PSTN for both enterprise and residential customers, VoIP has yet to achieve the...
Provided by Microsoft
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Case Studies
New Mexico Bernalillo County Metropolitan Court Beats Communications Limits With Wi-Fi
Nov 2009
The State of New Mexico Bernanillo County Metropolitan Court wanted to provide employees with the best productivity tools while maintaining a cost-effective, fully interoperable network that will...
Provided by Polycom
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White Papers
Understanding the Effects of Radio Frequency (RF) Interference on WLAN Performance and Security
Jul 2010
Wireless Local Area Networks (WLANs) based on the IEEE 802.11 standards have become the de-facto standard for wireless connectivity within buildings. These networks are commonly called Wi-Fi...
Provided by bandspeed
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White Papers
Radio-Frequency Technologies for WSNs
Oct 2010
Many wireless monitoring and control applications are available for the industrial and home markets. Some hardware platforms are specialized for optimizing only one feature. However, the most...
Provided by Springer Science+Business Media
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White Papers
Wired Equivalent Privacy (WEP) Versus Wi-Fi Protected Access (WPA)
Sep 2009
Wireless technology has been gaining rapid popularity for some years. Adaptation of a standard depends on the ease of use and level of security it provides. In this case, contrast between wireless...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Laboratory Performance of Wi-Fi WEP Point-to-Point Links: A Case Study
Jul 2010
Wireless communications using microwaves are increasingly important, e.g. Wi-Fi. Performance is a very relevant issue, resulting in more reliable and efficient communications. Laboratory...
Provided by Universidade da Beira Interior
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Whitepapers
Secure Virtual Backbone-Based Power Management for Ad Hoc Networks
Oct 2008
Power saving is a critical issue in wireless ad hoc networks. Many of the existing energy efficient routing protocols utilize the power management feature provided by MAC layer (e.g., IEEE 802.11...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Towards a Perspective of Information and Communication Technology (ICT) in Education: Migrating From Electronic Learning (E-Learning) to Mobile Learning (M-Learning)
Aug 2012
Information and Communication Technology (ICT) in the educational sector of both developing and developed countries has proliferated in recent years. The involvement of ICT in the educational...
Provided by IRPN Press
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Whitepapers
Integration of Expert Systems in Mobile Learning
Jan 2012
Sequel to advances and proliferations in Information and Communication Technologies (ICTs), Education Modes have changed from Traditional Face-to-Face (F2F) to different types such as Distance...
Provided by IRPN Press
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White Papers
Pinpointing Users With Location Estimation Techniques and Wi-Fi Hotspot Technology
Oct 2007
Location awareness is becoming an important capability for mobile computing; however, it has not been possible until now to provide cheap pervasive positioning systems. Wide area coverage is most...
Provided by John Wiley & Sons
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White Papers
ZigBee Based Home Automation Wireless Sensor Network
Jan 2008
Increased demands on implementation of wireless sensor networks in automation praxis result in relatively new wireless standard - ZigBee. The new workplace was established on the Department of...
Provided by Technical University of Kosice
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White Papers
A Survey on Wireless Security Protocols (WEP,WPA and WPA2/802.11i)
Feb 2009
Wireless technology has been gaining rapid popularity for some years. Adaptation of a standard depends on the ease of use and level of security it provides. In this case, contrast between wireless...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Practical Attacks Against WEP and WPA
Nov 2008
This paper describes two attacks on IEEE 802.11 based wireless LANs. The first attack is an improved key recovery attack on WEP, which reduces the average number of packets an attacker has to...
Provided by Darmstadt University of Technology
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White Papers
Wireless Network Security at Home
Nov 2009
This paper is designed to address home wireless networking security issues in a practical and plain-language manner. Taking the easy, free and common sense steps outlined below will make the home...
Provided by Canadian Judicial Council
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White Papers
Banking and Finance Over the Mobile Channel
Sep 2010
Over the last three to five years people have seen dramatic growth of mobile commerce, both globally and in the US, with optimistic forecasts for this trend to continue. The introduction of the...
Provided by BITS
-
White Papers
Wi-Fi HotSpots for Mobile Phones
Aug 2008
Operating principle of a Mobile Wi-Fi HotSpot is extremely simple. Mobile Wi-Fi HotSpot is a piece of software that installs to a mobile phone. Mobile Wi-Fi HotSpot shares mobile phones 3G...
Provided by Joikusoft
-
White Papers
EAP-TPM: A New Authentication Protocol for IEEE 802.11 Based Network
Sep 2009
Nowadays authentication at public wireless hotspots is still not very comfortable for normal users. Most of the hotspots provide a captive portal asking the user for credentials or his phone...
Provided by University of Fribourg
-
White Papers
Reserve Networks Based on Richness Hotspots and Representation Vary With Scale
Jan 2008
While the importance of spatial scale in ecology is well established, few studies have investigated the impact of data grain on conservation planning outcomes. In this study, authors compared...
Provided by Colorado State University
-
White Papers
Hot-Spot Congestion Relief in Public-AreaWireless Networks
Jan 2010
Wireless LAN administrators are often called upon to deal with the problem of sporadic user congestion at certain popular spaces ("Hot-spots") within the network. To address this problem, authors...
Provided by Microsoft
-
White Papers
Architectures for Open Access Hotspots
Jan 2010
This paper envisages the study of wireless access points in an open access conguration. In this conguration, the users of the service have access to the network without the need of authentication...
Provided by University of Utah
-
White Papers
A Wireless Mesh Network-Based System for Hotspots Deployment and Management
Mar 2007
In recent years Wireless Local Area Networks (WLANs) or hotspots, as they are commonly known, have emerged as a promising networking platform to extend network connectivity in public venues,...
Provided by University of Valencia
-
White Papers
Design and Implementation of a Hotspot Network
May 2007
Around 1995, connectivity (with connectivity in this paper is meant: having the possibility to connect to some public computing network such as the Internet) wasn't part of common life. People...
Provided by Delft University of Technology
-
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
-
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
-
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
-
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
-
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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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
A Stronger Formal Security Model of Three-party Authentication and Key Distribution Protocol for 802.11i
Oct 2012
This paper analyzes the existing formal security models of three-party authentication and key distribution protocol for 802.11i, which are extended BR and Extended CK models. The authors propose...
Provided by Science and Development Network (SciDev.Net)
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Whitepapers
Real-Time Misbehavior Detection in IEEE 802.11 Based Wireless Networks: An Analytical Approach
Oct 2012
The distributed nature of the CSMA/CA based wireless protocols, e.g., the IEEE 802.11 Distributed Coordinated Function (DCF), allows malicious nodes to deliberately manipulate their back-off...
Provided by Illinois Institute of Technology
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Whitepapers
A Review of OFDMA and Single-Carrier FDMA and Some Recent Results
Apr 2010
The controversial debate on OFDM vs. Single-Carrier (SC) transmission started back in the 1980s at the time of the European Digital Audio Broadcasting (DAB) and Digital Video Broadcasting (DVB)...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Diversity and Multiplexing Techniques of 802.11n WLAN
Nov 2010
Common WLAN standards defined by IEEE operate in the ISM (Industrial, Scientific and Medical) bands, i.e. 2.4 GHz and 5.2 GHz. OFDM (Orthogonal Frequency Division Multiplexing) is applied to...
Provided by Poznan University of Economics
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Whitepapers
Impact of Medium Access Control Strategies on the Effectiveness of Advanced Cooperative Hybrid ARQ Techniques
Sep 2011
This paper explores the relationship between cooperation and two very different medium access strategies: CSMA (epitomized by IEEE 802.11 DCF) and one instance of TDMA (represented by IEEE...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Medium Access Control for Multi-Antenna Networks Using Multi-User Coding
Aug 2009
The authors present Medium Access Controllers (MAC) for ad-hoc networks which include uplink and downlink multi-user physical layer models as well as multiple antennas. They note the advantages of...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Design and Performance Analysis of 5 GHz CMOS RF Front-End Circuits for IEEE 802.11 a Application
Jun 2011
Today the trend of RF CMOS analog design is technology scaling, which moving towards the deep submicron process to achieve improvement in power consumption, speed and chip area. The most severe...
Provided by EuroJournals
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White Papers
Banking and Finance Over the Mobile Channel
Sep 2010
Over the last three to five years people have seen dramatic growth of mobile commerce, both globally and in the US, with optimistic forecasts for this trend to continue. The introduction of the...
Provided by BITS
-
White Papers
Wi-Fi HotSpots for Mobile Phones
Aug 2008
Operating principle of a Mobile Wi-Fi HotSpot is extremely simple. Mobile Wi-Fi HotSpot is a piece of software that installs to a mobile phone. Mobile Wi-Fi HotSpot shares mobile phones 3G...
Provided by Joikusoft
-
White Papers
EAP-TPM: A New Authentication Protocol for IEEE 802.11 Based Network
Sep 2009
Nowadays authentication at public wireless hotspots is still not very comfortable for normal users. Most of the hotspots provide a captive portal asking the user for credentials or his phone...
Provided by University of Fribourg
-
Whitepapers
WiFi Hotspot Network Monitoring Tool: Project Proposal
May 2009
Wireless Fidelity (Wi-Fi) is a wireless networking technology that uses radio waves to provide high-speed, wireless internet and network connections. This technology is based on the IEEE 802.11...
Provided by University of Cape Town
-
White Papers
Reserve Networks Based on Richness Hotspots and Representation Vary With Scale
Jan 2008
While the importance of spatial scale in ecology is well established, few studies have investigated the impact of data grain on conservation planning outcomes. In this study, authors compared...
Provided by Colorado State University
-
White Papers
Hot-Spot Congestion Relief in Public-AreaWireless Networks
Jan 2010
Wireless LAN administrators are often called upon to deal with the problem of sporadic user congestion at certain popular spaces ("Hot-spots") within the network. To address this problem, authors...
Provided by Microsoft
-
White Papers
Architectures for Open Access Hotspots
Jan 2010
This paper envisages the study of wireless access points in an open access conguration. In this conguration, the users of the service have access to the network without the need of authentication...
Provided by University of Utah
-
White Papers
A Wireless Mesh Network-Based System for Hotspots Deployment and Management
Mar 2007
In recent years Wireless Local Area Networks (WLANs) or hotspots, as they are commonly known, have emerged as a promising networking platform to extend network connectivity in public venues,...
Provided by University of Valencia
-
White Papers
Design and Implementation of a Hotspot Network
May 2007
Around 1995, connectivity (with connectivity in this paper is meant: having the possibility to connect to some public computing network such as the Internet) wasn't part of common life. People...
Provided by Delft University of Technology
-
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
-
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
-
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
-
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
-
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
-
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
