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wi-fi (802.11)
(2387 results)-
White Papers
A Pegasus Over WiFi and WiMax Demo: Connectivity at High Speeds
Sep 2009
This paper presents Pegasus, a system providing wireless connection roaming at high velocities over multiple interfaces. The system operates over WiMax, as well as over "In situ" WiFi networks,...
Provided by University of Maryland
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White Papers
Comparative Analysis of Alternative Last Mile Broadband Access Technologies (Wi-Fi and WiMAX)
May 2009
Broadband wireless access networks are considered to be enterprise-level networks providing more capacity and coverage. Wireless networking has offered an alternative solution to the problem of...
Provided by Covenant University
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Case Studies
Trapeze Smart Mobile Delivers Wireless Mobility for 16,000 Professionals in 100 Facilities at Wheaton Franciscan Healthcare
Oct 2008
Based in suburban Milwaukee, Wisconsin, nonprofit Wheaton Franciscan Healthcare (WFH) is one of the largest healthcare providers in the Midwestern United States. The challenge was to replace a...
Provided by Trapeze Networks
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Case Studies
Azienda Unita Sanitaria Locale of Piacenza Installed a Wireless Network to Provide Connectivity to the Newest Devices and Technologies Entering Use in Modern Healthcare Facilities
Dec 2008
Azienda Unita Sanitaria Locale (AUSL) of Piacenza was established in 1994 by aggregating 3 local health institutions and today is one of the most important public administration bodies for...
Provided by Trapeze Networks
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Case Studies
Campus-Wide Wireless Initiative Puts 17,000 Students and Staff at the Forefront of Information Technology Usage
Oct 2008
The University has three colleges catering for students from all over the world and maintains the highest level of infrastructure. The challenge was to create an IT environment that enables staff...
Provided by Trapeze Networks
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Case Studies
Trapeze Smart Mobile Assists Avans Hogescholen in Building Education Inspiration With a Modern Wireless Network to Allow Students to Study Whenever and Wherever It Suits Them
Dec 2008
Serving approximately 18,000 students, Avans College employs 1,800 people spread over 18 academies and three support services. The organization is therefore comparable to a large company. The...
Provided by Trapeze Networks
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Case Studies
Famous Raceway Delivers Secure, Reliable Indoor and Outdoor Wi-Fi to Fans, Vendors and Race Teams
Oct 2008
With its 2.2 miles of track located near Monterey, California, the raceway features 11 turns, including the famous downhill, twisting "Corkscrew" at Turn 8, and "Rainey Curve" at Turn 9, named...
Provided by Trapeze Networks
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Case Studies
Large Belgian Media Group Standardizes on NonStop Wireless for Mission Critical, Time-Critical Printing Facilities and Other Centers
Feb 2009
De Persgroep is a large Belgian media group that publishes many newspapers, magazines and online media and also runs radio and television channels. The challenge was high degree of security and...
Provided by Trapeze Networks
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Case Studies
Trapeze WLAN Allows Airport Staff, Business Tenants and Travelers to Securely Share Single, Common Wireless Infrastructure
Nov 2008
Manchester Airports Group (MAG) - the second-largest airport operator in the United Kingdom - runs the airports of Manchester, Nottingham East Midlands, Bournemouth and Humberside. Manchester...
Provided by Trapeze Networks
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Case Studies
Nortel on Nortel: Upgrading WLAN Security to 802.11i
Jan 2009
At Nortel IT security is always top of mind, especially when making changes to the Wireless LAN (WLAN) infrastructure. The challenge was to simplify the end user experience for wireless LAN...
Provided by Nortel Networks
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White Papers
A SDR Platform for Mobile Wi-Fi/3G UMTS System on a Dynamic Reconfigurable Architecture
Aug 2009
As wireless communication standards evolve, Wi-Fi and WCDMA based 3G UMTS are still the major technologies widely deployed to provide high speed wireless internet access and mobile communication...
Provided by EURASIP
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White Papers
Motorola M2M Wireless Modules: W24 Wi-Fi Module Product Features
Jan 2009
Motorola's W24 Wi-Fi module is designed to be the ultimate communication solution for multiple M2M devices. With easy Wi-Fi (802.11b/g) access to internet and data connections for cost effective...
Provided by Motorola
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White Papers
Wifi-Reports: Improving Wireless Network Selection With Collaboration
Jun 2009
Wi-Fi clients can obtain much better performance at some commercial hotspots than at others. Unfortunately, there is currently no way for users to determine which hotspot Access Points (APs) will...
Provided by Association for Computing Machinery
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White Papers
Playout Buffer and Rate Optimization for Streaming Over IEEE 802.11 Wireless Networks
Aug 2009
Most streaming rate selection and buffer optimization algorithms are developed for wired networks and can perform poorly over wireless networks. WirelessMAClayer behavior, such as rate adaptation,...
Provided by Association for Computing Machinery
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Webcasts
802.11n Ratification - Come With Questions, Leave With Answers
Sep 2009
For starters, industry experts say that by the year 2012 80% of wireless LAN installations will be 802.11n. The result of that is not only will the vast majority of IT departments need to support...
Provided by Meru Networks
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Webcasts
Making Wi-Fi More Reliable Than Ethernet
Jan 2009
Wireless networks can be even more reliable than wires. The attendee will learn about Virtual Cells, channel layering and RF issues pertaining to 802.11n.
Provided by Meru Networks
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Webcasts
How 802.11n Helps Performance, Reliability and TCO
Jan 2009
Ethernet replaced Token Ring because it was simpler, more economical and served the needs of users. But wired Ethernet no longer serves the needs of every user. The demand for mobility makes Wi-Fi...
Provided by Network World
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Webcasts
How to Migrate & Scale the Network From 802.11a/b/g to 802.11n
Feb 2008
The presenter of this webcast shares the findings from his recent independent testing of three enterprise wireless LAN systems-Meru, Cisco and Aruba. The presenter discusses limitations of various...
Provided by Meru Networks
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Webcasts
802.11n: What It Means for Your Enterprise
Jan 2009
The presenter discusses key considerations for The Next Generation Network and Jean Boland, CIO of Morrisville State College provides first hand insights from her real-world 802.11n network...
Provided by Meru Networks
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Webcasts
Next-Generation Wi-Fi: Unwiring the 21st Century School
Jan 2009
Building a wireless network that effectively supports 21st Century learning initiatives doesn't have to be a complex and costly exercise. The attendee of this webcast will hear and learn from...
Provided by Meru Networks
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Webcasts
Creating an 802.11n Strategy That Makes Sense
Jan 2009
Whether one is looking to upgrade the legacy Wi-Fi network or just getting started with wireless, this webcast will provides the knowledge one will need to deploy a high-performance Wi-Fi network...
Provided by Meru Networks
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Webcasts
802.11n in Education: Where No Wireless Has Gone Before
Nov 2007
The attendee of this webcast will learn about 802.11n and put the standard into context for educational institutions of all sizes and needs. With an eye toward higher data rates and performance...
Provided by Meru Networks
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Webcasts
Delivering Reliable Wi-Fi Applications at the Point-of-Care
Jan 2009
The attendee of this webcast will hear about issues faced by IT professionals in deploying Wi-Fi infrastructure to deliver applications at point-of-care with high reliability, and how they...
Provided by Meru Networks
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White Papers
Wi-Fi RTLS in Healthcare: Reducing Costs and Improving Patient Care
Sep 2009
Traditionally, wireless location-based systems have been limited to simple asset tracking, content provisioning and security applications. With the advent of more capable 802.11 Wireless LAN...
Provided by Trapeze Networks
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White Papers
Sectored Wi-Fi Architecture Benefits
Nov 2007
IT Administrators are facing an ever-increasing demand for wireless capacity (bandwidth). With the increased number and types of devices and new applications such as voice, current enterprise...
Provided by Xirrus
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White Papers
Meraki White Paper: 802.11n Technology
Mar 2009
The 802.11n draft 2.0 standard offers several technical benefits over previous technology generations, which result in improved throughput to 802.11n-based clients, as well as greater reliability...
Provided by Meraki
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White Papers
Capitalizing on 802.11 for Sensor Networks: Low-Power Wireless Sensor Networks
Oct 2007
Sensors that monitor a variety of physical world conditions such as thermal, mechanical, chemical, optical, acoustical, and other measurable parameters, have long been employed in a variety of...
Provided by GainSpan
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White Papers
802.11n and Wi-Fi Telephony
Mar 2008
802.11n is the next generation of wireless technology for the enterprise and will drive the move toward the truly wireless office. Increased throughput and range will drive adoption of wireless...
Provided by Polycom
-
White Papers
802.11n: Look Before You Leap - Key Considerations for Moving to 802.11n
Sep 2008
With the introduction of 802.11n, the field of Wireless Local Area Networks (WLANs) is undergoing a paradigm shift as phenomenal as the beginning of WLANs themselves. The extraordinary data rates...
Provided by Motorola
-
White Papers
802.11n the Good, the Bad, and the Ugly: Will You Be Ready?
Feb 2009
802.11n is poised to become the de facto wireless LAN technology in the near future. Four key factors that underpin successful 802.11n execution are: a sound migration strategy, RF planning,...
Provided by AirTight Networks
-
White Papers
Wi-Fi Enabled BlackBerry Smartphones
Mar 2008
Wireless access to communications and information is no longer a luxury reserved for top executives - it is a business necessity for mobile workers and corridor warriors throughout organization....
Provided by Research In Motion
-
White Papers
Assessment of the 802.11g Wireless Protocol for Lunar Surface Communications
Feb 2009
Future lunar surface missions supporting the NASA Vision for Space Exploration will rely on wireless networks to transmit voice and data. The ad hoc network architecture is of particular interest...
Provided by NASA
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White Papers
Cloned Access Point Detection and Prevention Mechanism in IEEE 802.11 Wireless Mesh Networks
Sep 2008
IEEE 802.11 Wireless Mesh Network (WMN) is an emerging low cost, decentralized community-based broadband technology, which is based on self-healing and multi-hop deployment of Access Points (APs),...
Provided by Dynamic Publishers
-
White Papers
Impact of Legacy Devices on 802.11n Networks
Mar 2008
The 802.11n specification defines several mechanisms by which HT (High Throughput) STAs may coexist with non-HT (802.11a/b/g) STAs. This concept (and many of the procedures for doing so) is not...
Provided by AirMagnet
-
White Papers
Link-Level Measurements of Outdoor 802.11g Links
Aug 2009
802.11 based outdoor community mesh networks have seen several deployments in the last few years. Prior link level studies focus mostly on 802.11b links, and a systematic and detailed link-level...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
The Coexistence of 802.11b/g and Bluetooth: An Experimental Comparison in LoS Conditions
Apr 2009
This paper presents experimental results for TCP throughput performance of the IEEE 802.11b/g standard in the presence of Bluetooth (BT) interference. The throughput of an IEEE 802.11b/g network...
Provided by University of Leeds
-
White Papers
802.11 Arbitration
Sep 2009
This whitepaper is intended to provide a thorough exploration of the channel access methods used in IEEE 802.11 WLANs. While the 802.11 standard specifies multiple subsets of functionality, not...
Provided by CWNP
-
White Papers
Robust Security Network (RSN) Fast BSS Transition (FT)
Sep 2008
The 802.11 standard describes the generic process for 802. 1XEAP authentication and key management processes, which includes both generation and distribution of Master Session, Pairwise Master...
Provided by CWNP
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Whitepapers
Managing Your Wi-Fi Network Through Thick and Thin: Keys to Successfully Managing Any Wireless LAN
Oct 2008
Ones ability to effectively manage wireless network depends not on whether one uses 'Thick' or 'Thin' access points, but on the capabilities of network management solution. Selection of hardware...
Provided by Aruba Networks
-
White Papers
Physics of 802.11 Wireless Networks
May 2009
This paper describes the basic physics principles of 802.11 networks. It will cover the theoretical aspects such as Maxwell equations of electromagnetic fields as well as the practical...
Provided by University of Ljubljana
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Whitepapers
Performance Comparison of Different Pilot Aided Channel Estimation Techniques for OFDM IEEE 802.11e (Mobile Wimax) Systems
Apr 2013
Orthogonal Frequency Division Multiplexing (OFDM) modulation is a promising technique for achieving the high bit rates required for a wireless multimedia service. In this paper, the authors...
Provided by International Journal of Computer Applications
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Whitepapers
Power Spectral Density Analysis of WLAN Based OFDM System
Apr 2013
OFDM is a technique used in modern broadband wireless communications systems. OFDM has been adopted for wireless standards such as IEEE 802.11a. In this paper, different Power Spectral Density...
Provided by International Journal of Computer Applications
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Whitepapers
Soft Handover Scheme for WSN Nodes Using Media Independent Handover Functions
Jan 2011
The present wireless networks are equipped with multiple radio links and operate in a collaborative way to enable continuous data transfer even when any link goes down. The IEEE 802.21 is a...
Provided by International Institute for Science, Technology and Education
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Whitepapers
Performance of a Random-Access Wireless Network with a Mix of Full-And Half-Duplex Stations
Mar 2013
In this paper, the authors consider the performance of a random-access time-slotted wireless network with a single Access Point and a mix of half- and full-duplex stations. Full-duplex...
Provided by AT&T Labs-Research
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Whitepapers
When Cellular Meets WiFi in Wireless Small Cell Networks
Mar 2013
The deployment of Small Cell Base Stations (SCBSs) overlaid on existing macro-cellular systems is seen as a key solution for offloading traffic, optimizing coverage, and boosting the capacity of...
Provided by University of Dubuque
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Whitepapers
A Novel Modeling Method of Indoor Broadband Fixed Wireless Access MIMO Ricean Channel Based on Indoor Measurement at 4.9 GHz
Aug 2009
In this paper, the authors propose a novel modeling method of indoor Broadband Fixed Wireless Access (BFWA) MIMO Ricean channel based on empirical results obtained from stationary channel...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Cross-Layer Routing Algorithm Design for QoS Provisionings Over 802.11s Wireless Mesh Networks
Aug 2009
As a new networking topology, Wireless Mesh Networks (WMNs) have advantageous properties in terms of robustness, range extension and density, but also have significant potential disadvantages,...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Experimental Investigation of Sampling Rate Selection With Fractional Sampling for IEEE802.11b WLAN System
Aug 2009
In a Direct-Sequence/Spread-Spectrum (DS/SS) system, a RAKE receiver is used to improve a Bit Error Rate (BER) performance. The RAKE receiver can collect more signal energy through independent...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Seeking for an Optimal Route in IEEE 802.11e Ad-Hoc Networks
Aug 2009
In this paper, the authors present several different approaches to a routing calculation in an ad-hoc network. By using different weights for each link, each algorithm generates a different path,...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Analysis of IEEE802.11 DCF Parameters on Achievable Throughput in Ad Hoc Networks
Aug 2009
It is well-known that the values of IEEE 802.11 MAC parameters directly affect the utilization of the channel capacity and link layer throughput as well as higher layers performance. This paper...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Open Wireless Positioning System: A Wi-Fi-Based Indoor Positioning System
Aug 2009
Wireless network positioning is the main pillar of the continuity of rich and mobile multimedia applications. Good position accuracy is particularly difficult to obtain in urban or leafy areas and...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
A Digital Marketplace for Tussle in Next Generation Wireless Networks
Aug 2009
As IEEE 802.11 matures and other wireless access technologies are introduced (such as IEEE 802.16e), the emergence of Internet Protocol as a de facto standard for transport allows users to have...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Interference-Aware Broadcast Routing and Channel Assignment in Multi-Radio Wireless Mesh Networks
Aug 2009
An important problem in multi-radio multi-channel wireless mesh networks is how to perform efficient network-wide broadcasting. While route discovery or energy efficiency is the major concern for...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Simulation Analysis of Wireless Channel Effect on IEEE 802.11n Physical Layer
Mar 2012
IEEE 802.11n standard came as a rescue; the existing standards are increasingly seen as inadequate since applications become more complex and require more bandwidth. Several techniques have been...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
MIMO Hardware Simulator: Digital Block Design for 802.11ac Applications With TGn Channel Model Test
Mar 2012
This paper presents new frequency domain and time domain architectures for the digital block of a hardware simulator of MIMO propagation channels. This simulator can be used for 802.11ac...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
The Idle Period Distribution for CSMA/CA Networks for Spectrum Sensing Applications
Mar 2012
CSMA/CA is a slotted random access protocol that is widely used in indoor wireless systems such as the IEEE 802.11 and Zigbee. It is also used in wired systems such as HomePlug. In CSMA/CA, each...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Theoretical and Experimental Investigation on A Slot Loaded Compact Multi-Band Frequency Selective Surface
Mar 2013
In this paper, the authors presents the effects of slots cut on the patches of a single substrate layer Frequency Selective Surface (FSS) in the aspect of multiband characteristics enabling...
Provided by International Journal of Computer Applications
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Whitepapers
Achieving Quality of Metric for Video Streaming Service in the Warehouse Application with Coexisting of IEEE 802.11 a/b/g Standards
Jun 2012
A 4G systems can provide a comprehensive IP based solution where voice, data, video streamed multimedia can be provided to users on an "Anytime, Anywhere". The aim of the paper is to estimate...
Provided by International Journal of Computer Applications
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Whitepapers
Optimized Solutions for Routing Issue in IEEE 802.11 Based Wireless Mesh Networks Using Cooperative Game Theory and Bargaining Solutions
Oct 2011
Routing is a major issue in the Wireless Mesh Networks. Game theory can be one of the solutions to this problem. The outcomes of the game theory can be sometimes not Pareto-optimal for the leader...
Provided by International Journal of Computer Applications
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Whitepapers
Queue Length and Radio State MAC Layer Analysis of Host to Host Network Based on WLAN IEEE 802.11
Oct 2011
Wireless Local Area Network (WLAN) is becoming increasingly important in present day due to desire of high speed internet anywhere, anytime. This paper presents and evaluates the different radio...
Provided by International Journal of Computer Applications
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Whitepapers
Novel Wi-Fi Throughput Estimation Method Considering CSMA/CA Behavior
Mar 2012
Wi-Fi is one of the solutions to overcome the explosion of mobile data traffic and improvement of Wi-Fi performance intensifies the cellular data offload to Wi-Fi. Wi-Fi AP (Access Point)...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Subcarrier Power Allocation in OFDM With Low Precision ADC at Receiver
Aug 2012
Orthogonal Frequency Division Multiplexing (OFDM) has been incorporated in standards/draft standards such as IEEE 80.15.3c, IEEE 802.11ad for building multi-Gigabit systems operating in a few GHz...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
VECADS: VEhicular Context-Aware Downstream Scheduling for Drive-Thru Internet
Aug 2012
The authors study the downlink scheduling performance of an IEEE 802.11-based roadside Access Point (AP) serving a number of moving vehicles. For determining the scheduling order, Throughput and...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Energy Aware Routing Protocol for Zigbee Networks
Dec 2011
Wireless ad hoc networks are self organized dynamic networks can share wireless channel without any established central control standard for IEEE 802.11. The most common protocols are AODV, DSDV,...
Provided by JCAKSRCE
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Whitepapers
DFT-OQAMA: An Alternative Multiple Access for Future Mobile Networks
Aug 2012
Mobile radio transmission is affected by the time and frequency dispersion of the channel. The well-known Orthogonal Frequency Division Multiplexing (OFDM) modulation constitutes an efficient and...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Throughput Modeling of Differentiation Schemes for IEEE 802.11e MAC Protocol
Aug 2012
Most recent analyses on IEEE802.11e Quality of Service (QoS)-aware Enhanced Distributed Coordination function (EDCA) require a large degree of complexity, making it difficult to apply them to a...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Reliable Communication in Wireless Meshed Networks Using Network Coding
Aug 2012
The advantages of network coding have been extensively studied in the field of wireless networks. Integrating network coding with existing IEEE 802.11 MAC layer is a challenging problem. The IEEE...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Performance Study of IEEE 802.11s PSM in FTP-TCP
Aug 2011
With the introduction of IEEE 802.11 Power Save Mode (PSM), a lot of work has been done to enhance the energy saving ability of the nodes. The ultimate goal of the research is to make the...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
A Novel Algorithm for the Optimal Network Selection Scheme in the User Centric 4G networks
Jan 2013
Since the advancement of current cellular systems and technology is augmented towards 4G(4th Generation) and beyond, the need for efficiency in terms of the Quality of Service(QoS) and reducing...
Provided by International Journal of Computer Applications
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Whitepapers
A Cooperative Clustering Protocol for Energy Saving of Mobile Devices With WLAN and Bluetooth Interfaces
Apr 2011
One of the most widely used wireless communication standards is a Wireless Local Area Network (WLAN) (IEEE 802.11). However, WLAN has a serious power consumption problem. In this paper, the...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Efficient Techniques and Algorithms for Improving Indoor Localization Precision on WLAN Networks Applications
Oct 2009
In this paper, the authors propose efficient techniques that allow the deploying of high precision location applications for indoor scenarios over Wireless Local Area Networks (WLAN). They compare...
Provided by Scientific Publishing Ltd.
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Whitepapers
MAC Efficiency Enhancement With Prioritized Access Opportunity Exchange Protocol for 60 GHz Short-Range One-to-One Communications
Apr 2011
This paper proposes a prioritized access opportunity exchange protocol for enhancing Medium Access Control (MAC) efficiency in short-range one-to-one wireless communications on 60 GHz millimeter...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
A Reliable Multicast MAC Protocol With LPD Capability for Tactical Ad-Hoc Networks
Apr 2011
The authors propose a reliable multicast MAC protocol for channel efficiency and LPD (Low Probability of Detection), a capability that enhances survivability, assisted by MultiCarrier...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Doppler Spread Estimation and Channel Update Period Tuning in OFDM-Based Vehicular Communication Systems
Apr 2011
Decision Directed Channel Estimation (DD-CE) techniques turn useful for transmissions in time-varying wireless vehicular channels. CE has to be updated several times during the transmission of...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Printed Inverted-F Monopole Antenna for Internal Multi-Band Mobile Phone Antenna
Apr 2011
This study applied planar inverted-F monopole antenna to design the 7-frequency mobile antennas with the characteristics of imperceptibility, miniaturized simple production, and low cost. The...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
A Reliable Broadcast and Unicast MAC Protocol for Ad Hoc Networks
Apr 2011
Current applications and services for ad hoc networks heavily rely in advertisements, which are transmitted using broadcast. In the current Medium Access Control (MAC) schemes, namely in IEEE...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Agent-Based Scheduling Scheme for IEEE 802.11p Wireless Vehicular Networks
Apr 2011
The Wireless Access in Vehicular Environment (WAVE) architecture of Intelligent Transportation System (ITS) has been standardized in the IEEE 802.11p specification and it is going to be widely...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Improvement of Capacity and Energy Saving of VoIP Over IEEE 802.11 WLANs by a Dynamic Sleep Strategy
Oct 2009
Capacity and power consumption are two main bottlenecks in the wide deployment of Voice-over-IP (VoIP) over IEEE 802.11 wireless LAN, when mobile terminals are used, the impact on the...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Available-Bandwidth Estimation Considering Transmission Overheads in IEEE 802.11 Wireless LANs
Apr 2011
Calculation of the bandwidth available on a given channel is critical for the provision of bandwidth constrained services in IEEE 802.11 wireless LAN environments. Although there are numerous...
Provided by Ajou University
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Whitepapers
Enhancement of VoIP Over IEEE 802.11 WLANs by Adapting Transmitting Interval
Sep 2007
VoIP over Wireless Local Area Network (WLAN) is an important application of WLAN and gaining more and more attention recently. In this paper, the authors analyze the maximum number of VoIP calls...
Provided by Shanghai Institute of Applied Physics, Chinese Academy of Sciences
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White Papers
802.11n and Wi-Fi Telephony
Mar 2008
802.11n is the next generation of wireless technology for the enterprise and will drive the move toward the truly wireless office. Increased throughput and range will drive adoption of wireless...
Provided by Polycom
-
White Papers
802.11n: Look Before You Leap - Key Considerations for Moving to 802.11n
Sep 2008
With the introduction of 802.11n, the field of Wireless Local Area Networks (WLANs) is undergoing a paradigm shift as phenomenal as the beginning of WLANs themselves. The extraordinary data rates...
Provided by Motorola
-
White Papers
802.11n the Good, the Bad, and the Ugly: Will You Be Ready?
Feb 2009
802.11n is poised to become the de facto wireless LAN technology in the near future. Four key factors that underpin successful 802.11n execution are: a sound migration strategy, RF planning,...
Provided by AirTight Networks
-
White Papers
Wi-Fi Enabled BlackBerry Smartphones
Mar 2008
Wireless access to communications and information is no longer a luxury reserved for top executives - it is a business necessity for mobile workers and corridor warriors throughout organization....
Provided by Research In Motion
-
White Papers
Assessment of the 802.11g Wireless Protocol for Lunar Surface Communications
Feb 2009
Future lunar surface missions supporting the NASA Vision for Space Exploration will rely on wireless networks to transmit voice and data. The ad hoc network architecture is of particular interest...
Provided by NASA
-
White Papers
Cloned Access Point Detection and Prevention Mechanism in IEEE 802.11 Wireless Mesh Networks
Sep 2008
IEEE 802.11 Wireless Mesh Network (WMN) is an emerging low cost, decentralized community-based broadband technology, which is based on self-healing and multi-hop deployment of Access Points (APs),...
Provided by Dynamic Publishers
-
White Papers
Impact of Legacy Devices on 802.11n Networks
Mar 2008
The 802.11n specification defines several mechanisms by which HT (High Throughput) STAs may coexist with non-HT (802.11a/b/g) STAs. This concept (and many of the procedures for doing so) is not...
Provided by AirMagnet
-
White Papers
Link-Level Measurements of Outdoor 802.11g Links
Aug 2009
802.11 based outdoor community mesh networks have seen several deployments in the last few years. Prior link level studies focus mostly on 802.11b links, and a systematic and detailed link-level...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
The Coexistence of 802.11b/g and Bluetooth: An Experimental Comparison in LoS Conditions
Apr 2009
This paper presents experimental results for TCP throughput performance of the IEEE 802.11b/g standard in the presence of Bluetooth (BT) interference. The throughput of an IEEE 802.11b/g network...
Provided by University of Leeds
-
White Papers
802.11 Arbitration
Sep 2009
This whitepaper is intended to provide a thorough exploration of the channel access methods used in IEEE 802.11 WLANs. While the 802.11 standard specifies multiple subsets of functionality, not...
Provided by CWNP
-
White Papers
Robust Security Network (RSN) Fast BSS Transition (FT)
Sep 2008
The 802.11 standard describes the generic process for 802. 1XEAP authentication and key management processes, which includes both generation and distribution of Master Session, Pairwise Master...
Provided by CWNP
-
Whitepapers
Managing Your Wi-Fi Network Through Thick and Thin: Keys to Successfully Managing Any Wireless LAN
Oct 2008
Ones ability to effectively manage wireless network depends not on whether one uses 'Thick' or 'Thin' access points, but on the capabilities of network management solution. Selection of hardware...
Provided by Aruba Networks
-
White Papers
Physics of 802.11 Wireless Networks
May 2009
This paper describes the basic physics principles of 802.11 networks. It will cover the theoretical aspects such as Maxwell equations of electromagnetic fields as well as the practical...
Provided by University of Ljubljana
-
White Papers
Delivering the 802.11n Promise With Smart Wi-Fi
Apr 2008
The new IEEE 802.11n standard represents a significant advance in Wi-Fi technology, promising a tremendous leap in performance and coverage over its predecessors, 802.11a and g. With physical data...
Provided by Ruckus Wireless
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White Papers
Achieving Fairness in Lossy 802.11e Wireless Multi-Hop Mesh Networks
May 2009
802.11 technology is becoming increasing pervasive as the last-hop both in office environments and in the home. Looking ahead, the next step is likely to be towards greater use of multiple...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Diversity Techniques for Interference Mitigation Between IEEE 802.11 WLANs and Bluetooth
Feb 2009
Wireless LANs (for e.g., IEEE 802.11g) and Wireless Personal Access Networks (WPANs) operate in the same 2.4 GHz ISM frequency band. This paper considers the techniques to mitigate the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
IEEE 802.11n Wireless LANs: Opportunity and Challenges
Mar 2009
The next generation of wireless local area network standards is nearing final approval in the IEEE standards process. The standard, known as IEEE 802.11n, is close enough to final approval that...
Provided by Novarum
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White Papers
Enterprise 802.11n Wireless LAN Access Point Benchmark
Apr 2009
It had a unique opportunity to test current generation dual-band 802.1 in WLAN enterprise class access points. 200 is likely the major transition year in WI,AN deployments, as many new large scale...
Provided by Novarum
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White Papers
Probability Analysis of Channel Collision Between IEEE 802.15.4 and IEEE 802.11b Using Qualnet Simulation for Various Topologies
Apr 2009
Coexistent heterogeneous wireless networks may interfere with each other and result in significant performance degradation when devices are collocated in the same environment. With the...
Provided by International Journal of Computer Theory and Engineering (IJCTE)
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White Papers
Performance Evaluation of Symmetric Encryption Algorithms on Power Consumption for Wireless Devices
Oct 2009
The popularity of wireless networks increases, so does the need to protect them. Encryption algorithms play a main role in information security systems. On the other side, those algorithms consume...
Provided by International Association of Computer Science & Information Technology (IACSIT)
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White Papers
Performance Analysis of IEEE 802.11n Under Different STBC Rates Using 64-QAM
Aug 2009
The main focus of current research and development for the next-generation Wireless Local Area Network (WLAN) communication systems is to enhance the link throughput and channel capacity. In this...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Cross-Layer Based Erasure Code to Reduce the 802.11 Performance Anomaly: When FEC Meets ARF
Oct 2008
Wireless networks have been widely accepted and deployed in world nowadays. Consumers are now accustomed to wireless connectivity in their daily life due to the pervasiveness of the 802.11b/g and...
Provided by Association for Computing Machinery
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White Papers
Efficient Signal Strength Sampling for 802.11-Based Indoor Positioning Systems
Jan 2008
The primary contribution of this paper is the novel Com-PoScan system that can mitigate the effect of scanning on concurrent communications. ComPoScan is based on movement detection to adaptively...
Provided by University of Mannheim
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White Papers
Nonsaturation Throughput Enhancement of IEEE 802.11b Distributed Coordination Function for Heterogeneous Traffic Under Noisy Environment
Apr 2009
This paper proposes a mechanism named Modified Backoff (MB) mechanism to decrease the channel idle time in IEEE 802.11 Distributed Coordination Function (DCF). In the noisy channel, when...
Provided by K.S.Rangasamy College of Technology
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White Papers
Analysis of a Fountain Codes Based Transport in an 802.11 WLAN Cell
Jun 2009
Fountain Codes based Transport (FCT) protocol relies on an alternate paradigm to that of the ubiquitous TCP. It abolishes the need for a reverse feedback mechanism usually essential to provide...
Provided by French National Institute for Research in Computer Science and Control
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White Papers
An Investigation Into Signal Strength of 802.11n WLAN
Oct 2009
Over the past two decades, the demand for wireless service has grown at an extraordinary pace. The industry has grown from pagers, and cellular phones to Personal Communication Systems (PCS) and...
Provided by University of Wales
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White Papers
Enhancing IEEE 802.11a/n With Dynamic Single-User OFDM Adaptation
May 2008
Earlier paper have demonstrated that the achievable throughput of OFDM systems can benefit significantly from individual modulation/transmit power selection on a per sub-carrier basis according to...
Provided by RWTH Aachen University
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White Papers
MAC-Aware Routing Metric for 802.11 Wireless Mesh Networks
Aug 2009
It developed a new wireless link quality metric, ECOT (Estimated Channel Occupancy Time) that enables a high throughput route setup in wireless mesh networks. The key feature of ECOT is being...
Provided by Seoul National University
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White Papers
Application of Neural Networks for Achieving 802.11 QoS in Heterogeneous Channels
Nov 2007
In error-prone IEEE 802.11 WLAN (Wireless Local Area Network) environments, heterogeneous link qualities can significantly affect channel utilizations of mobile stations and consequently the...
Provided by National Taiwan University
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White Papers
Throughput Enhancement Through Combined Fragmentation and Rate Method in IEEE 802.11b WLANs
Oct 2008
IEEE 802.11 allows for fragmentation tuning and rate selection. Their combined usage is referred sometimes to link adaptation. However, the algorithms of link adaptation are beyond the 802.11...
Provided by Dublin Institute of Technology
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White Papers
Channel Assignment for Reliable Multicast in IEEE 802.11b Multi-Radio Multi-Channel Wireless Mesh Networks
Jul 2009
This paper deals with the channel assignment problem for multicast transmission in multi-radio, multi-channel wireless mesh networks. The objective is to maximize the minimum path success...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Available Bandwidth-Based Association in IEEE 802.11 Wireless LANs
Oct 2008
The performance of an IEEE 802.11 station heavily depends on the selection of an AP (Access Point) that the station is associated with to access the Internet. The conventional approach to the AP...
Provided by Association for Computing Machinery
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White Papers
Decoupling 802.11 Mesh Networks From Hierarchical Databases in DHCP
Sep 2009
Evolutionary programming must work. Given the current status of pseudorandom models, experts obviously desire the improvement of XML. In order to answer this question, it show that despite the...
Provided by LINK CLUB
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White Papers
Establishing a Reliable Test Setup for 802.11n Devices
Apr 2008
The past few years has seen an explosive growth in the Wireless LAN market. WLAN chipset sales has increased tenfold in the last five years; nowadays more than 90% of the notebooks PCs have...
Provided by University of Colorado at Boulder
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White Papers
802.11n: Enterprise Deployment Considerations
May 2008
802.11n has significant advantages over legacy wireless technologies and, with Wi-Fi certification in place since June 2007, is ready for enterprise deployment now. These advantages present the...
Provided by Burton Group
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White Papers
Ecuador: Wireless Networks as an Opportunity for Access to Broadband and Development
Jun 2009
The emergence of wireless technologies, especially Wi-Fi, offers an alternative for internet access in areas that are unprofitable by market standards and lack infrastructure. The new Ecuadorian...
Provided by Association for Progressive Communications
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White Papers
The Social Life of Wireless Urban Spaces Internet Use, Social Networks, and the Public Realm
May 2009
Offlate changes to the structure of people's social networks, the mass media, and the form of public spaces may represent a confluence of social trends that constrain exposure to diverse issues,...
Provided by LIRNEasia
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White Papers
The Social Life of Wireless Urban Spaces: Internet Use, Social Networks, and the Public Realm
Apr 2009
Offlate changes to the structure of people's social networks, the mass media, and urban public spaces may represent a confluence of social trends that constrain exposure to diverse issues, ideas,...
Provided by University of Pennsylvania
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White Papers
Enhancement Throughput of Unplanned Wireless Mesh Networks Deployment Using Partitioning Hierarchical Cluster (PHC)
Aug 2009
Wireless mesh networks based on IEEE 802.11 technology are a scalable and efficient solution for next generation wireless networking to provide wide-area wideband internet access to a significant...
Provided by University of Malaya
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Case Studies
Empowering Students and Teachers With Streamlined Access and Opportunity
Dec 2008
Located in central Los Angeles County just south of Pasadena, the City of San Marino lies nestled in a valley below the foothills of the San Gabriel Mountains. The district quickly recognized that...
Provided by Motorola
