- Subscribe to this page:
- RSS
- Email Alert
wireless lan
(1554 results)-
White Papers
Optimal Configuration of 802.11e EDCA Under Voice Traffic
Aug 2007
In this paper, the authors first present a model to analyze the average and standard deviation of the delay in a 802.11e EDCA WLAN under voice traffic. Next, based on this model, they compute the...
Provided by Universidad Carlos III de Madrid
-
White Papers
Efficient Load-Aware Channel Allocation in Wireless Access Networks
Mar 2011
Dense deployments of hybrid WLANs result in high levels of interference and low end-user throughput. Many frequency allocation mechanisms for WLANs have been proposed by a large body of previous...
Provided by Hindawi Publishing
-
White Papers
A Packet Scheduling Algorithm for Optimizing Downlink Throughput in Wireless LANs With the One-Sender-Multiple-Receiver Technique
Mar 2010
In this paper, the authors study the packet scheduling problem in wireless LANs with the One-Sender-Multiple-Receiver (OSMR) transmission technique. OSMR allows the Access Point (AP) to send...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Nuzzer: A Large-Scale Device-Free Passive Localization System for Wireless Environments
May 2011
The widespread usage of WLANs and mobile devices has fostered the interest in localization systems for wireless environments. The majority of research in the context of wireless-based localization...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Analysis of PS Protocols Using Markov and Cluster Model in 802.11 WLANS
Apr 2012
In recent years, a series of Power Saving (PS) protocols has been proposed in the family of 802.11 standards to save energy for mobile devices. To evaluate their performance, many works have been...
Provided by ESTIJ
-
White Papers
State Dependent Attempt Rate Modeling of Single Cell IEEE 802.11 WLANs With Homogeneous Nodes and Poisson Arrivals
Jan 2012
Analytical models of IEEE 802.11-based WLANs are invariably based on approximations, such as the well-known mean-field approximations proposed by Bianchi for saturated nodes. In this paper, the...
Provided by Indian Institute of Science
-
White Papers
Performance Analysis of IEEE 802.11 WLANs With Saturated and Unsaturated Sources
Oct 2011
The model is used to investigate the interaction between these two types of sources, which is particularly useful for systems seeking to achieve load-independent "Fair" service differentiation....
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Service Differentiation Without Prioritization in IEEE 802.11 WLANs
Jul 2011
Wireless LANs carry a mixture of traffic, with different delay and throughput requirements. The usual way to provide low-delay services is to give priority to such traffic. However this creates an...
Provided by Swinburne University of Technology
-
White Papers
Packet Size Variability Affects Collisions and Energy Efficiency in WLANs
Dec 2009
Wireless Local Area Networks (WLANs) support a wide range of applications, with various packet sizes. This diversity is set to increase in 802.11e WLANs which effectively allow very large packets...
Provided by Swinburne University of Technology
-
White Papers
Vertical Fast Handoff in Integrated WLAN and UMTS Networks
Jul 2011
Mobility management and on top of that, vertical handoffs remains as one of the most challenging obstacles in 4G evolution. In this paper, the authors present Vertical Fast Handoff protocol as a...
Provided by IARIA
-
White Papers
WLAN IEEE 802.11a/b/g/n Indoor Coverage and Interference Performance Study
Sep 2011
An adequate wireless network plan is needed to replace the traditional wired LANs. A full coverage WLAN offers the flexibility to relocate people and equipment or to reconfigure and add more...
Provided by IARIA
-
White Papers
Robust Header Compression With Load Balance and Dynamic Bandwidth Aggregation Capabilities in WLAN
Dec 2010
The vigorous development of WLAN in recent years has introduced various kinds of WLAN techniques and research subjects been brought up. The development of WLAN in recent years has deeply involved...
Provided by National Taiwan University of Science and Technology
-
White Papers
Performance Analysis of Pilot Aided OFDMA Systems for Mesh Networks
Aug 2011
This paper presents a systematic approach for analyzing the bit error probability of pilot aided Orthogonal Frequency-Division Multiple Access (OFDMA) systems. A comparative analysis with the...
Provided by IARIA
-
White Papers
Joint Optimal Spectrum Sensing Time and Power Allocation in Ultra Wideband Cognitive Radio Networks
Apr 2012
Ultra WideBand (UWB) system is overlapped with various wireless systems, such as WLAN, WiMax and UMTS, which limits the use of UWB. Cognitive Radio (CR) enables UWB systems to efficiently use the...
Provided by IARIA
-
White Papers
Improving Fairness in Wireless Mesh Networks
Feb 2012
Wireless Mesh Networks (WMNs) are networks that aim to establish hybrid wireless communications in areas with little or no telecommunication infrastructure available. The main motivation of these...
Provided by IARIA
-
White Papers
Estimation of Collision Multiplicities in IEEE 802.11-Based WLANs
Feb 2012
Estimating the Collision Multiplicity (CM), i.e. the number of users involved in a collision, is a key task in MultiPacket Reception (MPR) approaches and in Collision Resolution (CR) techniques. A...
Provided by IARIA
-
White Papers
A New Path Failure Detection Method for Multi-Homed Transport Layer Protocol
Jul 2011
Through its support for multi-homing, the Stream Control Transmission Protocol (SCTP) is a suitable solution to implement and manage user's mobility by abstracting multiple physical paths into a...
Provided by IARIA
-
White Papers
Exact Error Probabilities Analysis of Arbitrary 2-D Modulation-OFDM Systems With I/Q Imbalances in Frequency-Flat Rayleigh Fading Channel
Jul 2011
In-phase and Quadrature (I/Q) amplitude and phase imbalances are inevitably caused by signal processing in the analog components such as I/Q mixers, phase shifters, filters, and analog/digital...
Provided by IARIA
-
White Papers
Game Theory Based Dynamic RRM for Reconfigurable WiMAX/WLAN System
Jul 2011
This paper proposes, analyzes and evaluates a novel user-oriented Radio Resource Management (RRM) strategies for coexisting WiMAX/WLAN reconfigurable system. The proposed strategies are based on...
Provided by IARIA
-
White Papers
Performance Comparison of Video Traffic Over WLAN IEEE 802.11e and IEEE 802.11n
Jul 2011
This paper reviews the fast deployment of Wireless Local Area Networks (WLANs) and the ability of WLAN to support real time services. Stringent Quality of Service (QoS) and high throughput...
Provided by IARIA
-
White Papers
Effects of Hidden Terminals and their Alleviation in Multi Rate Ad Hoc Networks
May 2012
In multi rate ad hoc networks the hidden terminal problem is unique and there is a limited understanding of its effect on network performance. In this paper, the authors studied the effects of...
Provided by Universal Association of Computer and Electronics Engineers
-
White Papers
Seamless Handover Between CDMA2000 and 802.11 WLAN Using MSCTP
Apr 2012
The invention of mobile devices such as laptops, hand-held computers, and cellular phones has changed the whole Internet world. The main feature of mobile devices is that they can access the...
Provided by Universal Association of Computer and Electronics Engineers
-
White Papers
Opportunistic Medical Monitoring Using Bluetooth P2P Networks
Feb 2008
Remote medical monitoring using body sensors and wireless communications has been gaining attention recently because of the potential savings in patient care and the equally impressive...
Provided by University of California
-
Whitepapers
Experimental Study of Link and Transport Protocols in Interference-Prone Wireless LAN Environments
Jan 2012
As wireless networks are deployed widely and user expectations grow, it is important to study the trade-offs among good put, latency and loss rates that exist in link and transport protocols....
Provided by IBM
-
White Papers
A Metering Infrastructure for Heterogenous Mobile Networks
Dec 2008
The next generation of mobile access networks will support different access technologies like UMTS, WLAN, WiMax and LTE. Optimal handover decisions between different access networks have to take...
Provided by TECHNICAL UNIVERSITY OF MUNICH
-
White Papers
Retrieving Packets From Losing During Service Disruption Time, During Vertical Handover Among UMTS and WLAN
Sep 2011
In voice activity based communication Choi et al show that using of mutual silence period to do the Vertical Hand-Over (VHO) is a perfect choice to minimize the packet loss. However according to...
Provided by The International Journal of Advanced Networking and Applications
-
White Papers
Analytical Modeling of IEEE 802.11e Enhanced Distributed Channel Access Under a Non-Saturation Condition
Apr 2011
In recent years, the IEEE 802.11 Wireless Local Area Network (WLAN) has been widely deployed in Indoor wireless Communication and it includes detailed specification of both medium access control...
Provided by Science Publications
-
White Papers
Wire Type Multiband Strip Antenna for WiMAX /WLAN Operations
Nov 2011
This paper presents a wire type multiband strip antenna for WiMAX and WLAN operations by means of numerical simulations. The dimension of the antenna is 39×30 mm2 and provides an impedance...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
-
White Papers
MPT Technique in Unifacial and Bi Directional Peer to Peer WLAN for Efficient Downlink Performance
Jan 2012
This paper proposes Multiple Packet Transmission (MPT) to multiple nodes in unidirectional and bi directional peer to peer wireless LAN for efficient downlink performance. This gives users the...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
-
White Papers
Analysis of Call Admission Control Schemes for WLAN Coupled to 3G Network
Jan 2012
Convergence of Wireless Local Area Network (WLAN) and Third Generation (3G) wireless network is expected to create new markets for service providers and tender enhanced services to the integrated...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
-
White Papers
A Novel Access Selection Scheme in Heterogeneous Wireless Environments
Jan 2012
The next generation wireless network environments are expected to support anywhere, anytime connectivity for high-performance applications. To provide mobile users with seamless wireless access...
Provided by AICIT
-
White Papers
A Compact Microstrip Patch Antenna With Triangular Snipped Slot for Wireless Applications
Apr 2012
A compact micro-strip patch antenna with a slot fed by coaxial probe is presented in this paper. The slot which is circular in shape with triangular truncations results three narrow bands. The...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
-
White Papers
Analysis of the Character Statics of Video Streaming on WLAN Networks
Dec 2011
The bursty nature of video streaming applications is due to the frame-based structure of video and this has an important impact on the resource requirements of the WLAN, affecting its ability to...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
-
White Papers
Opportunistic Web Access Via WLAN Hotspots
Feb 2010
Mobile phones are becoming commonplace for consuming Internet content and services. However, availability, affordability, and quality of the supposedly ubiquitous cellular network infrastructure...
Provided by Aalto University
-
White Papers
An Efficient ARQ Scheme for Reliable Video Broadcasting in Wireless LANs
Apr 2010
Video streaming has become a popular and important type of network application. Meanwhile, wireless LANs has been gaining popularity too. It has thus become important to address the reliability...
Provided by University of Texas
-
White Papers
A Novel Distributed Adaptive Channel Allocation Algorithm in Mesh WLAN Network and Its Routing QoS
May 2012
A novel distributed adaptive channel allocation algorithm is proposed in this paper for mesh WLAN network, which needs no AP communication with each other and the prediction about network layout....
Provided by AICIT
-
White Papers
Research of Burst Media Access Control Protocol in CFP
May 2012
Wireless Local Area Network (WLAN) is a prevalent network in the Network Control System (NCS). To lower access delay of burst real-time data in large WLAN Control System (WNCS), proposed a...
Provided by AICIT
-
White Papers
Investigation of Color Constancy for Ubiquitous Wireless LAN/Camera Positioning: An Initial Outcome
Apr 2012
This paper present the color constancy investigation in the hybridization of Wireless LAN and Camera positioning in the mobile phone. Five typical color constancy schemes are analyzed in different...
Provided by AICIT
-
White Papers
Interdependency Measure and Analysis for Cross-Layer Design in WLAN
Dec 2011
Interdependency among system parameters may significantly affect the cross-layer design and optimization performance of wireless networks. However, it is very difficult to derive the...
Provided by AICIT
-
White Papers
Cognitive Call Admission Control for VoIP Over IEEE 802.11 Using Bayesian Networks
Jan 2012
In this paper, the authors address the problem of provisioning Quality of Service (QoS) to Voice over IP applications in a Wireless LAN scenario based on the IEEE 802.11 standard. They propose the...
Provided by Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
-
Webcasts
Wireless LAN Support Draining Your IT Budget?: Maximizing Wireless Availability While Minimizing Operational Cost
Mar 2009
Wireless Local Area Networks (WLAN) are well on their way to becoming the default and even primary access within enterprises across all industries. With the capital expense involved in planning...
Provided by Motorola
-
Webcasts
WLAN for Education: Tips for Making It Work on a Lean Budget
Jan 2009
Supporting wireless users in education has quickly evolved from annoying to near impossible. Instead of just supporting wireless access for laptops, IT must now support a litany of mobile student...
Provided by Motorola
-
Webcasts
Wireless LANs for Education: A K-12 Perspective
Jan 2009
Education is all about learning from other's experiences. The attendee of this webcast will learn from Farmington Municipal Schools, New Mexico and Miami Dade Public Schools, Florida, what they...
Provided by Meru Networks
-
Webcasts
Wireless LAN Edge: Is 802.11n the End of Ethernet?
Nov 2007
With WiFi Alliance certifying 802.11n draft 2.0 that is promising to deliver Ethernet equivalent speeds on WLAN, enterprises are beginning to look at wireless as an alternate to wired networks at...
Provided by Meru Networks
-
Case Studies
Wireless LAN for Houston Airport System
May 2009
The Houston Airport System came to Blackbriar Technologies with a need to build a secure, manageable wireless LAN infrastructure in their Administration building as well as in the "Disaster...
Provided by Blackbriar Technologies
-
Case Studies
Manageable, Reliable Wireless Networking for Law School Uses Cooperative Control Wireless LAN From Aerohive
Jun 2009
The John Marshall law school, founded In 1899, was one of the first independent Law schools established in the united States. Although this new solution was a vast improvement over the first one,...
Provided by Aerohive Networks
-
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
-
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
-
Case Studies
Sandia National Laboratories Gets Secure Manageable WLAN With Trapeze Mobility System
Oct 2008
Sandia National Laboratories is a major research and development laboratory for the U.S. Department of Energy's National Nuclear Security Administration. The multiprogram lab performs national...
Provided by Trapeze Networks
-
Case Studies
Trapeze Wireless LAN Keeps Logitech Employees Securely Connected Wherever They Roam
Oct 2008
Founded in Switzerland and with offices around the world, Logitech has cemented its reputation as the premier manufacturer of ergonomically stylish designs, melding form and function for its...
Provided by Trapeze Networks
-
Case Studies
Behr-Hella Thermocontrol Expands Wireless Infrastructure, Replacing First-Generation "Fat AP" Network With Highly-Secure Smart Mobile WLAN
Dec 2008
Behr-Hella, a leading manufacturer of electronic controllers and operating units for automobile heating, ventilation and air conditioning systems, produces more than 500 million units per year for...
Provided by Trapeze Networks
-
Case Studies
Trapeze Wireless LAN Improves Accuracy and Efficiency for Manufacturing Firm
Nov 2008
Thomassen Compression Systems (TCS) has been providing custom compression solutions to the oil, gas, refining and chemical industries for more than 100 years. The challenge was to implement a...
Provided by Trapeze Networks
-
Case Studies
Trapeze Wireless LAN Enables Wireless VoIP for Internal Communications, Displacing Cellular and Yielding Three Year ROI With a Single Application
Nov 2008
The Radisson SAS in Dubai Media City is a 246-room hotel that was built slightly less than two years ago. The challenge was to seamlessly offer guests the opportunity to use dial-up, Ethernet or...
Provided by Trapeze Networks
-
Case Studies
Trapeze Wireless LAN Allows Sales Teams to Share Bandwidth-Intensive Media Applications and Visiting Clients Review Accounts and Advertising Portfolios in the Company's Offices
Oct 2008
France Television Publicite, the advertising subsidiary of the France Televisions Group, markets advertising space and sponsorships on a number of television networks all across France. The...
Provided by Trapeze Networks
-
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
-
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
-
Case Studies
Lawrence-Dumont Stadium Keeps Fans Happy as It Becomes the First All-Wireless Point-of-Sale Stadium in the United States
Nov 2008
The challenge was to increase baseball park concession sales, to reduce inventory losses, to eliminate cash handling and speed up concession lines, to enable debit and credit card use at...
Provided by Trapeze Networks
-
Case Studies
Trapeze Networks Smart Mobile Bring Location-Based Audio Tours to Aquarium Visitors
Jul 2009
The Florida Aquarium occupies more than 250,000 square feet and accommodates about 1 million visitors a year. The intent of the project was to garner more teenage interest in exhibits by tapping...
Provided by Trapeze Networks
-
Case Studies
Trapeze Wireless LAN Enables Even Greater Efficiency in Logistics Centers
Nov 2008
The object was that all items, from the time of reception until they are dispatched, should be booked via the central wireless LAN so that the administration departments can view the current...
Provided by Trapeze Networks
-
Case Studies
Trapeze Wireless LAN Enables German Music Retailer to Streamline Logistics, Increasing Order Processing Capacity by 25%
Nov 2008
Musikhaus Thomann is one of Europe's most successful distributors of musical instruments and equipment. The challenge was to accommodate its expanding online retail business by improving the...
Provided by Trapeze Networks
-
Case Studies
Rapid Deployment of a Secure, Easy-to-Manage Trapeze Networks WLAN Gives Retail Chain a Competitive Advantage
Oct 2008
Kaiser's Tengelmann operates more than 700 retail food stores with an annual sales volume of approximately 2.5 billion ($3 billion) and more than 20,000 employees. The challenge was to introduce...
Provided by Trapeze Networks
-
Case Studies
Iconic Clothing Brand Replaces Unreliable Head Office Wireless LAN With NonStop Wireless From Trapeze and Extends Wireless Service to Regional Offices and Showrooms
Aug 2009
The Ben Sherman Group Plc (Ben Sherman) is now a global designer, marketer and distributor of branded sportswear and footwear, owned by parent company Oxford Industries Inc. Ben Sherman required a...
Provided by Trapeze Networks
-
Case Studies
University of Sharjah Enables Students and Teachers With Seamless Mobility and "Always-On" Information Access Across Entire Campus
Dec 2008
The of Sharjah has a responsibility for meeting the Emirate of Sharjah's educational and cultural needs within its values and tradition. The challenge was stable, reliable and secure wireless...
Provided by Trapeze Networks
-
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
-
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
-
Case Studies
Solano Community College Saturates Campus With Wireless Access and Mobility Using Trapeze Smart Mobile Wireless Networking
Oct 2008
Solano Community College is a large institution with a well-rounded student body, including recent high school graduates, young to middleage adults, retirees and senior citizens. The challenge was...
Provided by Trapeze Networks
-
Case Studies
Trapeze Wireless Network Delivers Seamless Mobility and Consistant Service Profiles at Any Location
Oct 2008
Ohlone College is a two-year college with 400 faculty and 8,000 students located in the San Francisco Bay Area just south of historic Mission San Jose. The challenge was to deploy a wireless LAN...
Provided by Trapeze Networks
-
Case Studies
Trapeze Wireless Solution Helps Teach Tomorrow's Leaders by Providing Seamless Integration With Wired Network
Oct 2008
For more than 40 years, NHTV Breda University in the Netherlands has been training students for management positions in such fields as hospitality, logistics, media and entertainment, tourism, and...
Provided by Trapeze Networks
-
Case Studies
Trapeze Wireless Discretely Enhances Computing in 156-Year-Old School Building
Dec 2008
The Institute of Notre Dame is a all-girls, Catholic high school, founded in 1847. The challenge was to use wireless LAN to improve the educational environment for the school, an easy-to-maintain,...
Provided by Trapeze Networks
-
Case Studies
Olathe District Schools Selects Trapeze Smart Mobile to Provide Multi-Campus Mobility for 26,000 Students and 4,300 Administrators
Oct 2008
The Olathe School District, 20 miles outside of Kansas City, is recognized by educators and national publications as one of the best districts in the nation based on high academic scores, small...
Provided by Trapeze Networks
-
Case Studies
Trapeze Smart Mobile Helps Auburn City Students Learn Anytime, Anywhere
Oct 2008
The city of Auburn, Alabama - home to Auburn University and its renowned Auburn Tigers athletic teams - encompasses a growing and diverse population of approximately 50,000 people. The challenge...
Provided by Trapeze Networks
-
Case Studies
Academy 20 Turns 30 Disparate Wi-Fi Hot-Spots Into Manageable District-Wide Wireless Network
Oct 2008
The Academy District 20 disparate wireless networks - spread over various locations - had no centralized management. The challenge was to unify 30 campus networks into a manageable, reliable Wi-Fi...
Provided by Trapeze Networks
-
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
-
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
-
Case Studies
Trapeze Wireless LAN Provides Reliable Infrastructure for Progressive Dutch Hospital Deploying Mobile ECG
Oct 2008
Walcheren Hospital is a 350-bed general hospital that serves the cities of Vlissingen and Middelburg in the southwestern province of Zeeland in The Netherlands. The challenge was to implement a...
Provided by Trapeze Networks
-
Case Studies
Mobile Ward Rounds Improve Workflow Efficiency and Enhance Mutual Trust Between Doctors and Patients
Nov 2008
Monchengladbach city hospitals are regular hospitals for acute cases with two sites and eight different main departments in all. The challenge was to secure high-availability WLAN for mobile ward...
Provided by Trapeze Networks
-
White Papers
Optimum Association of Mobile Wireless Devices With a WLAN - 3G Access Network
Feb 2009
This paper considers the problem of association of wireless stations (STAs) with an access network served by a Wireless Local Area Network (WLAN) and a 3G cellular network. There is a set of WLAN...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
OFDM Recognition Based on Cyclostationary Analysis in an Open Spectrum Scenario
Jan 2009
In this paper the problem of detecting the presence of similar OFDM signals, i.e. WLAN and WiMAX signals, in an Open Spectrum scenario is faced. The identification of the channel occupancy and the...
Provided by University of Genova
-
White Papers
Proactive Attacker Localization in Wireless LAN
Apr 2009
This paper addresses the open problem of locating an attacker that intentionally hides or falsifies its position using advanced radio technologies. A novel attacker localization mechanism, called...
Provided by University of Wisconsin
-
Whitepapers
Requirements for Building Effective Government WLANs
Dec 2007
With governments just now beginning the adoption of wireless LANs as a key component of their network connectivity strategy, the purpose of this White Paper is to enumerate the issues and...
Provided by Aruba Networks
-
White Papers
Analytical Modeling of IEEE 802.11e Enhanced Distributed Channel Access Under a Non-Saturation Condition
Apr 2011
In recent years, the IEEE 802.11 Wireless Local Area Network (WLAN) has been widely deployed in Indoor wireless Communication and it includes detailed specification of both medium access control...
Provided by Science Publications
-
White Papers
Wire Type Multiband Strip Antenna for WiMAX /WLAN Operations
Nov 2011
This paper presents a wire type multiband strip antenna for WiMAX and WLAN operations by means of numerical simulations. The dimension of the antenna is 39×30 mm2 and provides an impedance...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
-
White Papers
MPT Technique in Unifacial and Bi Directional Peer to Peer WLAN for Efficient Downlink Performance
Jan 2012
This paper proposes Multiple Packet Transmission (MPT) to multiple nodes in unidirectional and bi directional peer to peer wireless LAN for efficient downlink performance. This gives users the...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
-
White Papers
Analysis of Call Admission Control Schemes for WLAN Coupled to 3G Network
Jan 2012
Convergence of Wireless Local Area Network (WLAN) and Third Generation (3G) wireless network is expected to create new markets for service providers and tender enhanced services to the integrated...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
-
White Papers
A Novel Access Selection Scheme in Heterogeneous Wireless Environments
Jan 2012
The next generation wireless network environments are expected to support anywhere, anytime connectivity for high-performance applications. To provide mobile users with seamless wireless access...
Provided by AICIT
-
White Papers
A Compact Microstrip Patch Antenna With Triangular Snipped Slot for Wireless Applications
Apr 2012
A compact micro-strip patch antenna with a slot fed by coaxial probe is presented in this paper. The slot which is circular in shape with triangular truncations results three narrow bands. The...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
-
White Papers
Analysis of the Character Statics of Video Streaming on WLAN Networks
Dec 2011
The bursty nature of video streaming applications is due to the frame-based structure of video and this has an important impact on the resource requirements of the WLAN, affecting its ability to...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
-
White Papers
Opportunistic Web Access Via WLAN Hotspots
Feb 2010
Mobile phones are becoming commonplace for consuming Internet content and services. However, availability, affordability, and quality of the supposedly ubiquitous cellular network infrastructure...
Provided by Aalto University
-
White Papers
An Efficient ARQ Scheme for Reliable Video Broadcasting in Wireless LANs
Apr 2010
Video streaming has become a popular and important type of network application. Meanwhile, wireless LANs has been gaining popularity too. It has thus become important to address the reliability...
Provided by University of Texas
-
White Papers
A Novel Distributed Adaptive Channel Allocation Algorithm in Mesh WLAN Network and Its Routing QoS
May 2012
A novel distributed adaptive channel allocation algorithm is proposed in this paper for mesh WLAN network, which needs no AP communication with each other and the prediction about network layout....
Provided by AICIT
-
White Papers
Research of Burst Media Access Control Protocol in CFP
May 2012
Wireless Local Area Network (WLAN) is a prevalent network in the Network Control System (NCS). To lower access delay of burst real-time data in large WLAN Control System (WNCS), proposed a...
Provided by AICIT
-
White Papers
Investigation of Color Constancy for Ubiquitous Wireless LAN/Camera Positioning: An Initial Outcome
Apr 2012
This paper present the color constancy investigation in the hybridization of Wireless LAN and Camera positioning in the mobile phone. Five typical color constancy schemes are analyzed in different...
Provided by AICIT
-
White Papers
Interdependency Measure and Analysis for Cross-Layer Design in WLAN
Dec 2011
Interdependency among system parameters may significantly affect the cross-layer design and optimization performance of wireless networks. However, it is very difficult to derive the...
Provided by AICIT
-
White Papers
Cognitive Call Admission Control for VoIP Over IEEE 802.11 Using Bayesian Networks
Jan 2012
In this paper, the authors address the problem of provisioning Quality of Service (QoS) to Voice over IP applications in a Wireless LAN scenario based on the IEEE 802.11 standard. They propose the...
Provided by Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
-
Whitepapers
Characterizing WLAN Medium Utilization for Radio Environment Maps
Jun 2011
This paper explores the possibility to use the medium utilization as a metric to be included in Radio Environment Maps (REMs) of WLAN networks. The main objective is to build REMs that go beyond...
Provided by Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
-
Whitepapers
Hybrid Access Techniques for Densely Populated Wireless Local Area Networks
Apr 2011
The IEEE 802.11p Task Group has recently released a new standard for Wireless Access in Vehicular Environments (WAVE). It constitutes an amendment to the 802.11 for Wireless Local Area Networks...
Provided by Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
-
Whitepapers
Experimental Characterization of VoIP Traffic Over IEEE 802.11 Wireless LANs
Feb 2011
Voice over Internet Protocol (VoIP) technology has become a potential alternative to and also a supplement of the traditional telephony systems over the Public Switched Telephone Network (PSTN),...
Provided by Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
-
Whitepapers
WLAN-WiMAX Vertical Handover Hybrid Satisfaction Mechanism
Dec 2011
Handover is the key enabling option to guarantee seamless mobility within any wireless communication system, where the inter-systems handover option has recently acquired large importance, both in...
Provided by University of Jordan
-
Whitepapers
Distributed Call Admission Control for VoIP Over 802.11 WLANs Based on Channel Load Estimation
Feb 2010
Call Admission Control (CAC) is recognized as one of the key strategies to achieve satisfactory QoS support for VoIP over IEEE 802.11 WLANs. However, most of the prior CAC solutions for VoIP over...
Provided by Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
-
Whitepapers
Framework for IMS Service Scenario Implementation
Oct 2010
This paper presents an experimental framework for implementation of an IMS/NGN reference service scenario by means of open source software. Multiple service enablers are deployed to build this...
Provided by Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering
-
Whitepapers
User-Driven Call Admission Control for VoIP Over WLAN With a Neural Network Based Cognitive Engine
Oct 2010
In this paper, the authors deal with the problem of user-driven Call Admission Control for Voice over IP communications in a Wireless LAN environment. They argue that state-of-the-art solutions to...
Provided by Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
-
Whitepapers
Design Considerations for Measuring Utilization in Hybrid Paths Using Delay Measurements
Mar 2010
Recent research results have shown how measurements of bandwidth metrics using traditional tools and techniques have to be reconsidered in the presence of WLAN links. The main reason behind this...
Provided by Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
-
Whitepapers
Performance Analysis of the Distributed Queuing Collision Avoidance (DQCA) Protocol With Link Adaptation
Dec 2009
DQCA is a near-optimum Medium Access Control (MAC) protocol designed for Wireless Local Access Networks (WLANs). The protocol operates as a random access scheme under low traffic load and switches...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Methodology for Traffic Load Estimation in WLANs Based on Real Traces
Jun 2008
This paper presents a methodology to estimate traffic load parameters in a WLAN network consisting of a large number of Access Points (APs). The methodology takes into account the high variability...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Near-Optimum Cross-Layered Distributed Queuing Protocol for Wireless LAN
Nov 2008
Distributed Queuing Collision Avoidance (DQCA) is a distributed MAC protocol for WLAN systems that offers near optimum performance. The protocol implements a reservation scheme that ensures...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Characterization and Comparison of Skype Behavior in Wired and Wireless Network Scenarios
Nov 2007
This paper analyzes the call quality perceived by Skype users in both fixed and mobile environments. Specifically, LAN, WLAN, ADSL and UMTS network connections are evaluated by means of both PCs...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Cross-Layer Enhancement for WLAN Systems With Heterogeneous Traffic Based on DQCA
Nov 2007
Voice transmission over WLAN and Cross-Layer optimization are emerging research topics. This paper proposes two novel Cross-Layer mechanisms to be included in a WLAN system where the offered...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Opportunistic Scheduling Using an Enhanced Channel State Information Update Scheme for WLAN Systems With DQCA
Nov 2007
Cross-layer opportunistic scheduling on DQCA-based WLAN systems yields high performance results. This paper emphasizes the need for accurate Channel State Information (CSI) and presents an...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Deployment and Evaluation of IEEE 802.11 Based Wireless Mesh Networks in Campus Environments
Jul 2011
The traditional wireless networks cannot handle new requirements posed on the system. To become independent of backbone networks leading to cheap deployments, the traditional single-hop approach...
Provided by PEC University of Technology
-
Whitepapers
Enhancement of QoS Performance in Wireless LAN: Analysis
Mar 2012
Wireless Local Area Network (WLAN) has become more popular in recent years. With increase in demand users are expecting Quality of Service (QoS) for multimedia services in WLAN. To improve...
Provided by International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
-
Whitepapers
A Study on Minimization of 2G/3G Handover Failure
Apr 2012
One of the most interesting 3G networks feature is their integration with the 2G networks. It provides seamless End to-End services. Current widely deployed 2G and 3G networks provide enabling...
Provided by International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
-
Whitepapers
Quantum Cryptography With Key Distribution in Wireless Networks on Privacy Amplification
Dec 2011
Wireless networks have become one of the most extensively used communication systems in the world. Providing secure communication for wireless networks has become one of the main concerns....
Provided by International Journal of Computer Networks and Wireless Communications (IJCNWC)
-
Whitepapers
Deploying and Managing Mobile Apps for Field Service Workers - 5 Key Questions to Ask
Jun 2012
"Smartphone adoption in the enterprise (both personal-liable and corporate-liable) will have reached 162 million units by the end 2011 - and by 2014, the research firm predicts, the market for...
Provided by ClickSoftware
-
Whitepapers
Performance Evaluation of Selection Schemes for Offloading Traffic to IEEE 802.11 Hotspots
Mar 2012
Offloading data traffic to IEEE 802.11 hotspots is one of the key techniques with which mobile operators aim at dealing with the increasing traffic demand of their users in cellular networks....
Provided by Technische Universität Berlin
-
Whitepapers
On the Analysis of Wi-Fi Communication and WiMAX Network Entry Over Single Radios
Mar 2012
Future wireless mobile devices will have to support a variety of heterogeneous access technologies while having a limited number of transceiver chains. One of the most challenging tasks remains...
Provided by Technische Universität Berlin
-
Whitepapers
Estimating Path Loss in Wireless Local Area Networks Using Ordinary Kriging
Nov 2010
This paper introduces ordinary kriging as a new tool to predict network coverage in wireless local area networks. The proposed approach aims to reduce the cost of active site surveys by estimating...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Relative Fairness and Optimized Throughput for Mobile Ad hoc Networks
Apr 2008
Although IEEE 802.11 provides several transmission rates, a suitable rate adaptation taking into account the relative fairness among all competitive stations, according to the underlying channel...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Energy-Efficiency of Cooperative Sensing Schemes in Ad Hoc WLAN Cognitive Radios
Apr 2012
In cognitive radio networks, the secondary users need to coordinate among themselves to reap the benefits of cooperative spectrum sensing. In this paper, the authors study and analyze the energy...
Provided by Wichita State University
-
Whitepapers
Implementation of Location Determination in a Wireless Local Area Network (WLAN) Environment
Feb 2008
Wireless Local Area Network (WLAN) is developed to complement the wired network. Various standards for WLAN exist, but the most common standards are IEEE 802.11b and 802.11g. Since, WLAN provides...
Provided by Universiti Kebangsaan Malaysia
-
Whitepapers
Multiband Meandered Monopole Antenna for Mobile Applications
Jun 2010
A multiband meandered monopole antenna is proposed for Digital Video Broadcasting Handheld (DVB-H), global positioning system, personal communications service, Wireless broadband (Wibro), and...
Provided by Electronics and Telecommunication Research Institute
