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wi-fi (802.11)
(2369 results)-
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
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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
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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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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
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White Papers
Implementation and Evaluation of a TDMA MAC for WiFi-Based Rural Mesh Networks
Oct 2009
WiFi mesh networks with outdoor links have become an attractive option to provide cost-effective broadband connectivity to rural areas, especially in developing regions. It is well understood that...
Provided by Association for Computing Machinery
-
White Papers
TDMA for Long Distance Wireless Networks
Sep 2009
Off late the UC Berkeley TIER Project studied the need to deploy network infrastructure to emerging regions. Their goal was to "Address the challenges in bringing the Information Technology...
Provided by University of Cambridge
-
White Papers
FreeMAC: Framework for Multi-Channel MAC Development on 802.11 Hardware
Aug 2008
Exponential growth in the number of wireless devices that operate in the limited unlicensed frequency spectrum necessitates the next generation of radio devices to be reconfigurable and sensitive...
Provided by Association for Computing Machinery
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White Papers
Soft-TDMAC: A Software TDMA-Based MAC Over Commodity 802.11 Hardware
Jan 2009
This paper designs and implements Soft-TDMAC, a software Time Division Multiple Access (TDMA) based MAC protocol, running over commodity 802.11 hardware. Soft-TDMAC has a synchronization...
Provided by University of California
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White Papers
Real-Time Support on IEEE 802.11 Wireless Ad-Hoc Networks: Reality Vs. Theory
Mar 2009
The usable throughput of an IEEE 802.11 system for an application is much less than the raw bandwidth. Although 802.11b has a theoretical maximum of 11 Mbps, more than half of the bandwidth is...
Provided by Institute of Electronics, Information and Communication Engineers
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White Papers
Real-Time Video Surveillance Over IEEE 802.11 Mesh Networks
Feb 2009
In recent years, there has been an increase in video surveillance systems in public and private environments due to a heightened sense of security. The next generation of surveillance systems will...
Provided by Carnegie Mellon University
-
Case Studies
Flexible, Easy to Deploy and Manage Wireless Networking for Healthcare Facilities With Cooperative Control Wireless LAN From Aerohive
Feb 2009
Founded in 1989, privately owned Complete HealthCare Resources has been providing strategic solutions to long-term care, assisted living and retirement communities through management and...
Provided by Aerohive Networks
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Case Studies
Health Care System Serves Four Health Care Facilities, Thousands of Employees, and Hundreds of Doctors, With One Wireless LAN Solution From Aerohive
Aug 2009
Riverside health care systems manage four facilities in Westchester County, just north of New York City. The health care provider is always looking to state-of-the-art medical technology to...
Provided by Aerohive Networks
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White Papers
An Efficient Scheme for Solving Bandwidth Guaranteed Scheduling and Shortest Path Routing Problem in Wireless Mesh Networks
Jan 2008
The bandwidth problem is one of the most serious problems for multi-hop Wireless Mesh Networks (WMNs) due to the influence of link interference. This paper studies joint problem of...
Provided by Wuhan University
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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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Whitepapers
WiMetroNet - A Scalable Wireless Network for Metropolitan Transports
May 2010
In this paper, the authors address a class of moving or vehicle-to-infrastructure networks. Their particular network - the WiMetroNet - is a private network possibly owned by a consortium of...
Provided by Universidade do Algarve
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Whitepapers
Incremental and Complementary Coding Techniques for Cooperative Medium Access Control Protocols
Apr 2011
Cross-layer designed cooperative Medium Access Control (MAC) protocols for 802.11 wireless networks have been recently shown to achieve a better performance than the Distributed Coordination...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Simulation of IEEE 802.11p Vehicular Networking With Real-Life Traffic Scenario
Apr 2011
Vehicular networking is nowadays very hot topic within the research field of telecommunications. Lot of different approaches exists, although the standard approach called IEEE 802.11p is gaining...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Method for Applying Interlink Correlation to Multilink MIMO Propagation Channel Estimation
Apr 2011
Standardization of IEEE 802.11TGac was initiated to achieve next generation wireless LAN systems. The main target of IEEE 802.11TGac is to achieve throughput exceeding 1 Gbps under the 6-GHz band....
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Coexistence of 802.11b and 802.15.4a-CSS: Measurements, Analytical Model and Simulation
Apr 2011
IEEE 802.15.4a Wireless Sensor Networks (WSN) and IEEE 802.11b Wi-Fi networks are operating in the 2.4 GHz band. In order to examine co-channel interference scenarios and the impact on key...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Media Independent Handover Management in Heterogeneous Access Networks - An Empirical Evaluation
Apr 2011
The growth of available broadband access technologies has brought an enormous challenge for operators wanting to ensure seamless mobility to its customers in heterogeneous environments. In this...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Implementation and Evaluation of a TDMA MAC for WiFi-Based Rural Mesh Networks
Oct 2009
WiFi mesh networks with outdoor links have become an attractive option to provide cost-effective broadband connectivity to rural areas, especially in developing regions. It is well understood that...
Provided by Association for Computing Machinery
-
White Papers
TDMA for Long Distance Wireless Networks
Sep 2009
Off late the UC Berkeley TIER Project studied the need to deploy network infrastructure to emerging regions. Their goal was to "Address the challenges in bringing the Information Technology...
Provided by University of Cambridge
-
White Papers
FreeMAC: Framework for Multi-Channel MAC Development on 802.11 Hardware
Aug 2008
Exponential growth in the number of wireless devices that operate in the limited unlicensed frequency spectrum necessitates the next generation of radio devices to be reconfigurable and sensitive...
Provided by Association for Computing Machinery
-
White Papers
Soft-TDMAC: A Software TDMA-Based MAC Over Commodity 802.11 Hardware
Jan 2009
This paper designs and implements Soft-TDMAC, a software Time Division Multiple Access (TDMA) based MAC protocol, running over commodity 802.11 hardware. Soft-TDMAC has a synchronization...
Provided by University of California
-
White Papers
Real-Time Support on IEEE 802.11 Wireless Ad-Hoc Networks: Reality Vs. Theory
Mar 2009
The usable throughput of an IEEE 802.11 system for an application is much less than the raw bandwidth. Although 802.11b has a theoretical maximum of 11 Mbps, more than half of the bandwidth is...
Provided by Institute of Electronics, Information and Communication Engineers
-
White Papers
Real-Time Video Surveillance Over IEEE 802.11 Mesh Networks
Feb 2009
In recent years, there has been an increase in video surveillance systems in public and private environments due to a heightened sense of security. The next generation of surveillance systems will...
Provided by Carnegie Mellon University
-
Case Studies
Flexible, Easy to Deploy and Manage Wireless Networking for Healthcare Facilities With Cooperative Control Wireless LAN From Aerohive
Feb 2009
Founded in 1989, privately owned Complete HealthCare Resources has been providing strategic solutions to long-term care, assisted living and retirement communities through management and...
Provided by Aerohive Networks
-
Case Studies
Health Care System Serves Four Health Care Facilities, Thousands of Employees, and Hundreds of Doctors, With One Wireless LAN Solution From Aerohive
Aug 2009
Riverside health care systems manage four facilities in Westchester County, just north of New York City. The health care provider is always looking to state-of-the-art medical technology to...
Provided by Aerohive Networks
-
White Papers
An Efficient Scheme for Solving Bandwidth Guaranteed Scheduling and Shortest Path Routing Problem in Wireless Mesh Networks
Jan 2008
The bandwidth problem is one of the most serious problems for multi-hop Wireless Mesh Networks (WMNs) due to the influence of link interference. This paper studies joint problem of...
Provided by Wuhan University
-
White Papers
Softspeak: Making VoIP Play Well in Existing 802.11 Deployments
Feb 2009
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
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White Papers
RLS Channel Estimation and Tracking for MIMO-Extended IEEE 802.11a WLANs
Feb 2008
Wireless communication systems based on Multiple-Input Multiple-Output (MIMO) technology and Orthogonal Frequency Division Multiplexing (OFDM) has the potential to achieve enormous increase in the...
Provided by Universiti Putra Malaysia
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White Papers
An Optimal Sensor Architecture for Wi-Fi Intrusion Detection
Feb 2008
This paper presents a novel approach to identifying illegitimate nodes in wireless networks. It demonstrates that, given a sufficiently dense sensor network, it is able to discriminate all network...
Provided by University of Melbourne
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White Papers
The Analysis of Performance of IEEE 802.11 MAC Protocol Using Markov Chain
Jan 2008
Analyzing the effect of transmission errors on the performance of IEEE 802.11 is important since wireless channels are error-prone. Most of the existing work on the performance analysis of IEEE...
Provided by Dominican University
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White Papers
Best Practices Guide for Deploying SpectraLink 8020/8030 Wireless Telephones
Jul 2009
Wi-Fi telephony, also known as Voice over Wireless LAN (VoWLAN), delivers the capabilities and functionality of the enterprise telephone system in a mobile handset. The Wi-Fi handset is a WLAN...
Provided by Polycom
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White Papers
Deploying Enterprise-Grade Wi-Fi Telephony
May 2009
Wi-Fi telephony, also known as Voice over wireless LAN (VoWLAN), delivers the all the capabilities and functionality of the enterprise telephone system in a mobile handset. The Wi-Fi phone is a...
Provided by Polycom
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Whitepapers
Accelerometer-Assisted 802.11 Rate Adaptation on Mobile WiFi Access
Aug 2012
The expansion of 802.11 AP deployments provides opportunistic Wi-Fi access in underground Mass Rapid Transit (MRT) system. However, such vehicular network faces the challenge of limited time for...
Provided by EURASIP
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Whitepapers
Cross-Layer Optimization for Video Transmission Over WLAN: Cross-Layer Prioritization
Aug 2012
As IEEE 802.11 wireless devices have become increasingly widespread, providing Quality of Service in the context of H.264/AVC, the video coding standard for future multimedia networking, has...
Provided by IGI Global
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Whitepapers
Accelerometer-Assisted 802.11 Rate Adaptation on Mass Rapid Transit System
Sep 2010
In-station Wi-Fi AP deployment provides opportunistic Wi-Fi access in underground Mass Rapid Transit (MRT) sys-tem. But such vehicular network faces the obstacle of limited connection time from...
Provided by Association for Computing Machinery
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Whitepapers
Enhancements to IEEE 802.11 MAC to Avoid Packet Collisions
Oct 2008
The IEEE 802.11 WLAN standard specifies two different ways in which a wireless STAtion (STA) can gain access to the channel - distributed channel access where each STA can access channel in a...
Provided by Institute of Electrical & Electronic Engineers
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White Papers
Key Performance Benefits of 802.11n
Jan 2009
It is well documented that wireless performance varies based on a variety of factors such as the type of applications delivered over Wi-Fi or the physical challenges presented by building...
Provided by Cisco Systems
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White Papers
Cisco ClientLink: Optimized Device Performance With 802.11n
May 2009
Over the next few years Wi-Fi networks will transition to 802.11n technology. During this time many networks will support a mix of 802.11a/g and 802.11n clients. Because they operate at lower data...
Provided by Cisco Systems
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Whitepapers
802.11 Attacks: Version 1.0
Feb 2008
IEEE 802.11 refers to the set of standards set forth by the Institute of Electrical and Electronics Engineers (IEEE). More specifically, working group 11 of the 802 category for LAN/MAN...
Provided by McAfee
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White Papers
Wi Fi Protected Access-Pre-Shared Key Hybrid Algorithm
Nov 2009
Potentially large number of cryptography solutions to attain security is widely known and recognized. Looking for a stronger scheme is the aim of most researchers to hide valuable information from...
Provided by Hannam university
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White Papers
Yes It Is Too Wi-Fi, and No Its Not Inherently Secure
Mar 2009
The focus of this paper are those 802.11 wireless LAN's that utilize FHSS for the 2.4 GHz ISM band. The purpose of this paper is to familiarize the reader with the mechanics of these FHSS based...
Provided by Black Hat
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Tools & Templates
Guide to Deploying 802.11n Wireless LANs
Mar 2010
This comprehensive guide covers the fundamentals of 802.11n - what you need to know when planning or preparing for an 802.11n deployment or migration. Get an overview of layer 1 and layer 2...
Provided by Fluke Networks
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Webcasts
802.11b Design With Simulink
Feb 2006
This webcast includes the live construction of an 802.11b link supporting the 1Mbps mode in real-time, followed by a review of a complete model supporting all 4 modes. IEEE 802.11b is currently...
Provided by MathWorks
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White Papers
FIPS 140-2 Security for Long Range Wireless LAN/MAN Application: Wi-Fi Base Station
Oct 2007
802.11 (Wi-Fi) Wireless Local Area Networks (WLANs) have enjoyed enormous growth over the last few years. As Wi-Fi swept into private homes and small offices at a record setting pace, enterprises...
Provided by Vivato
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White Papers
A Multi-Radio 802.11 Mesh Network Architecture
Jan 2010
Routers equipped with multiple 802.11 radios can alleviate capacity problems in wireless mesh networks. However, a practical, complete system architecture that can realize the benefits of multiple...
Provided by University of California
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Webcasts
Profit from Power Savings: Cut Costs & Green Your IT Operations with PC Power Management
Mar 2010
PC power management can green your IT operations, deliver significant, tangible cost reductions and reduce your PC energy consumption. Watch this new program and let the experts show you how to...
Provided by Verdiem
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Case Studies
The George Washington University
Feb 2009
The George Washington University (GW) is the largest institution of higher education in the nation's capital. GW's Technology, Operations, and Engineering team is nationally recognized as a leader...
Provided by Avaya
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Case Studies
KPN: Holland's Largest Wi-Fi Hotspot Provider - Continues to Connect Millions Each Year Via Proxim Wi-Fi
Dec 2009
KPN, Holland's largest provider of Wi-Fi hotspots, was looking for the highest-performance, most cost-effective way to build out their Wi-Fi hotspots. With thousands of hotspots deployed and more...
Provided by Proxim Wireless
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Case Studies
Washington State Ferry System Offers Wi-Fi to Passengers on Boats Using Proxim for Wireless Backhaul From Ship to Shore
Dec 2009
Washington State Ferries (WSF) carries 25,000 passengers per day - many of whom are commuters who prefer to stay connected and use the commute time to remain productive. As an added service to...
Provided by Proxim Wireless
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Whitepapers
Optimum MIMO-OFDM Receivers With Imperfect Channel State Information
Oct 2008
Channel estimation inaccuracy is known to affect significantly the error performance of coded communication systems. This applies in particular to broadband MIMO channels, often considered in...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
IEEE 802.11s Wireless Mesh Networks for Last-Mile Internet Access: An Up-Down Link Approach
Jul 2012
Being multi-hop wireless networks, Wireless Mesh Networks (WMNs) are witnessing limited network capacity, mainly due to the contention among nodes in multi-hop paths. Several techniques have been...
Provided by Journal of Computing
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Whitepapers
ARM Based Mobile Phone-Embedded Real-Time Remote Video Surveillance System With Network Camera
Aug 2012
Monitoring facilities will be necessary and useful for the people daily life, because it is very important for them to think about their security. This work developed an remote video surveillance...
Provided by International Journal of Emerging Technology and Advanced Engineering (IJETAE)
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Whitepapers
Evalaution of Path Loss Models of Wimax in Sub Urban Environment
Jun 2012
It is a challenge to the wireless and networking engineer to decide upon the path loss model applicable to the different environments. Estimation of path loss is very important in initial...
Provided by International Journal of Engineering Research & Technology (IJERT)
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White Papers
802.11 Wireless Options: Uncovering the Reality of Common Security Practices
Apr 2010
The past decade's large increase in wireless devices leaves the security of those devices very much in a state of fluctuation. Unfortunately, what many users think to be the standard techniques...
Provided by East Carolina University
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White Papers
Accelerating the Enterprise Network Using 802.11n Wireless
Jan 2010
To design and deploy a wireless network that will be used by the majority of Intel employees and that operates as effectively as a wired LAN at a reasonable cost, Intel IT investigated moving to...
Provided by Intel
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White Papers
Achieving Pervasive Mobility Through Integrated Campus Networking
May 2010
Wireless technology is transforming businesses everywhere. Discover how leading organizations are implementing integrated campus network infrastructures to provide wired and wireless connectivity...
Provided by Brocade Communications Systems
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White Papers
The Case For Next-Generation Wireless LANs: Faster Connections and more Applications and Users
May 2010
Until very recently, there were legitimate concerns about deploying wireless technology. Not anymore. Discover how the 802.11n standard makes the case for Wireless LAN becoming an integral part of...
Provided by Brocade Communications Systems
