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wireless lan
(1554 results)-
White Papers
Deficit Round Robin With Fragmentation Scheduling to Achieve Generalized Weighted Fairness for Resource Allocation in IEEE 802.16e Mobile WiMAX Networks
Oct 2010
Deficit Round Robin (DRR) is a fair packet-based scheduling discipline commonly used in wired networks where link capacities do not change with time. However, in wireless networks, especially...
Provided by Khon Kaen University
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White Papers
Future Wireless Networks: Key Issues and a Survey (ID/Locator Split Perspective)
Jan 2011
Future Wireless Networks (FWNs) are expected to be a convergence of different kinds of wireless technologies, such as cellular technologies, Wireless Local Area Networks (WLANs), wireless...
Provided by Inderscience Enterprises
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White Papers
An Explicit Rate Control Framework for Lossless Ethernet Operation
Jan 2009
In this paper, the explicit rate control framework for Ethernet applications, especially data centers, is described. The framework guarantees zero packet drops at the congested switch and fast...
Provided by Washington University in St. Louis
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White Papers
Congestion Management for Lossless Ethernet Operation
May 2008
IEEE 802.1 standards committee is working on a new specification for congestion notification in Ethernet networks. The goal of this work is to enable applications of Ethernet in backend data...
Provided by Washington University in St. Louis
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White Papers
Security Enhancement With Optimal QoS Using EAP-AKA in Hybrid Coupled 3G-WLAN Convergence Network
Jul 2010
The Third Generation Partnership Project (3GPP) has addressed the feasibility of interworking and specified the interworking architecture and security architecture for Third Generation...
Provided by Pondicherry Engineering College
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White Papers
Network-Aware Adaptation With Real-Time Channel Statistics for Wireless LAN Multimedia Transmissions in the Digital Home
Jan 2008
Streaming multimedia on wireless networks can have high bandwidth requirements, with real-time streaming having stringent delay requirements to be met. Multiple effects including time-varying...
Provided by Intel Corporation
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White Papers
Node Synchronization for Minimizing Delay and Energy Consumption in Low-Power-Listening MAC Protocols
Jul 2008
Because it sits so low in the protocol stack, the MAC layer offers great potential to reduce energy consumption and delay. In very energy and bandwidth constrained Wireless Sensor Networks (WSNs),...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Investigating the Performance of Various Vocoders for a Fair Scheduling Algorithm in WiMax
Nov 2009
IEEE 802.16e, a broadband wireless access technology that provides high speed internet access and multimedia services has seen very significant growth in recent times. With the due rapid...
Provided by University of Texas
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White Papers
Security Enhancement & Solution for Authentication Frame Work in IEEE 802.16
Dec 2010
WIMAX- Worldwide Interoperability for Microwave Access is going to be an emerging wireless technology for the future. Wireless networking market is thriving because of increasing popularity of...
Provided by Chittagong University of Engineering & Technology
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White Papers
Optimal Routing and Power Control for a Single Cell, Dense, Ad Hoc Wireless Network
Jul 2009
The authors consider a dense, ad hoc wireless network, confined to a small region. The wireless network is operated as a single cell, i.e., only one successful transmission is supported at a time....
Provided by Cornell University
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White Papers
Performance Evaluation of IEEE 802.11 MAC Layer in Supporting Delay Sensitive Services
Feb 2010
Providing QoS requirements like good throughput and minimum access delay are challenging tasks with regard to 802.11 WLAN protocols and Medium Access Control (MAC) functions. IEEE 802.11 MAC layer...
Provided by Punjabi University
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White Papers
An Adaptive Multimedia-Oriented Handoff Scheme for IEEE 802.11 WLANS
Feb 2011
Previous studies have shown that the actual handoff schemes employed in the IEEE 802.11 Wireless LANs (WLANs) do not meet the strict delay constraints placed by many multimedia applications like...
Provided by University of Valenciennes and Hainaut-Cambresis
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White Papers
Implementation of Channel Estimation and Modulation Technique for MIMO System
Apr 2011
Future wireless communication system have to be designed to integrate features such as high data rates, high quality of service and multimedia in the existing communication framework. Increased...
Provided by AIRCC
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White Papers
PSM-Throttling: Minimizing Energy Consumption for Bulk Data Communications in WLANs
Aug 2007
While the 802.11 Power Saving Mode (PSM) and its enhancements can reduce power consumption by putting the Wireless Network Interface (WNI) into sleep as much as possible, they either require...
Provided by Ohio State University
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White Papers
Distributing Private Data in Challenged Network Environments
Apr 2010
Developing countries face significant challenges in network access, making even simple network tasks unpleasant. Many standard techniques-caching and predictive prefetching help somewhat, but...
Provided by Association for Computing Machinery
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White Papers
A Quantitative Analysis of Handover Time at MAC Layer for Wireless Mobile Networks
Nov 2009
Extensive studies have been carried out for reducing the handover time of wireless mobile network at Medium Access Control (MAC) layer. However, none of them show the impact of reduced handover...
Provided by University of Bridgeport
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White Papers
Selfless Distributed Credit Based Scheduling for Improved QoS in IEEE 802.16 WBA Networks
Nov 2009
Packet and flow scheduling algorithms for WiMAX has been a topic of interest for a long time since the very inception of WiMAX networks. WiMAX offers advantages particularly in terms of Quality of...
Provided by Andhra University
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White Papers
VOIP Performance Over Broadband Wireless Networks Under Static and Mobile Environments
Nov 2010
Voice over IP is expected to be very promising application in the next generation communication networks. The objective of this paper is to analyse the VoIP performance among the most competing...
Provided by Jadavpur University
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White Papers
Experimental Performances Analysis of Load Balancing Algorithms in IEEE 802.11
Aug 2009
In IEEE 802.11, Load Balancing Algorithms (LBA) considers only the associated stations to balance the load of the available Access Points (APs). However, although the APs are balanced, it causes a...
Provided by DEMOCRATIC CONTROL OF ARMED FORCES
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White Papers
Source Capture Time Analysis of Privacy Communication Protocols for Wireless Sensor Networks
Jul 2010
Communication privacy techniques that protect the locations of source sensor nodes and sink nodes from either global or local adversaries have received significant attention recently. The...
Provided by University of Texas
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White Papers
WiFi Overcast: Enabling True Mobility for Realtime Applications in the Enterprise
Jan 2009
Enterprises are increasingly deploying Wireless LANs to provide mobile access to users in corporate offices. However, existing enterprise WLANs are far from being truly mobile. In particular, they...
Provided by University of Waterloo
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White Papers
Passive On-Line In-Band Interference Inference in Centralized WLANs
Jul 2010
In this paper, the authors describe a passive on-line method for determining the conflict graph in a centralized wireless LAN. The key insight in the work is to exploit the relative timing between...
Provided by University of Southern California
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White Papers
Improving WLAN Performance With Enhanced MAC, Node Cooperation and Two-Stage FEC Scheme
Nov 2007
Signal interference, route disruption, congestion and fluctuations cause several consecutive bits arriving at the receiver in error. The error handling method in tradition communication protocols...
Provided by JATIT
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White Papers
An Efficient Method of Mobile IP Based Handoff Mechanism for WLAN-GPRS Integrated Network
Sep 2007
This paper proposes a new technique for Mobile IP (MIP) registration by WLAN Host (WH) of the Internet through GPRS network. The Home Agent (HA) of WH resides in the Internet. The gateway GPRS...
Provided by JATIT
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White Papers
A Distributed Coordination Scheme to Improve the Performance of IEEE 802.11 in Multi-Hop Networks
Mar 2009
This paper investigates the performance of IEEE 802.11 in multi-hop scenarios and shows how its aggressive behavior can throttle the spatial reuse and reduce bandwidth efficiency. An adaptive,...
Provided by Rensselaer Polytechnic Institute
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White Papers
iDSRT: Integrated Dynamic Soft Real-Time Architecture for Critical Infrastructure Data Delivery Over WLAN
Apr 2008
Critical Infrastructures (CIs) such as the Power Grid play an important role in the lives. Of all important aspects of CIs, real-time data delivery is the most important one because appropriate...
Provided by University of Illinois
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White Papers
A State Action Frequency Approach to Throughput Maximization Over Uncertain Wireless Channels
Jan 2011
The authors consider scheduling over a wireless system, where the channel state information is not available a priori to the scheduler, but can be inferred from the past. Specifically, the...
Provided by Massachusetts Institute of Technology
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White Papers
Practical Rate and Route Adaptation With Efficient Link Quality Estimation for IEEE 802.11b/g Multi-Hop Networks
Feb 2010
Accurate and fast Packet Delivery Ratio (PDR) estimation, used in evaluating wireless link quality, is a prerequisite to increase the performance of multi-hop and multi-rate IEEE 802.11 wireless...
Provided by University of California
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White Papers
Energy Efficiency of Adaptive-Rate Medium Access Control Protocols for Sensor Networks
Jun 2009
Energy efficient protocol design is the aim of current researches in the area of sensor networks where limited power resources impose energy conservation considerations. In this paper the authors...
Provided by K.N.Toosi University of Technology
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White Papers
Green Modulation in Proactive Wireless Sensor Networks
Oct 2009
Due to unique characteristics of sensor nodes, choosing energy-efficient modulation scheme with low-complexity implementation (referred to as green modulation) is a critical factor in the physical...
Provided by Institute of Electrical and Electronics Engineers
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Case Studies
Enterprise Wireless LAN Infrastructure Solution
Feb 2009
A leading US-based provider of enterprise wireless LAN equipment and management software. The Smart Mobile solution is an enterprise-grade wireless LAN infrastructure that runs seamlessly, even...
Provided by LUXOFT
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White Papers
Estimation of Frequency Selectivity for OFDM Based New Generation Wireless Communication Systems
Apr 2007
In this paper, estimation of both global (long term) and local (instantaneous) frequency selectivity and rms delay spread of wireless communication channel are investigated. A practical algorithm...
Provided by University of South Florida
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White Papers
On Cyclic Delay Diversity in OFDM Based Transmission Schemes
Apr 2007
Cyclic Delay Diversity (CDD) is a simple approach to introduce spatial diversity to an Orthogonal Frequency Division Multiplexing (OFDM) based transmission scheme that itself has no built-in...
Provided by University of Ulm
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White Papers
A Medium Access Control Scheme for Wireless LANs With Constant-Time Contention
Aug 2010
In today's wireless networks, stations using the IEEE 802.11 Standard contend for the channel using the Distributed Coordination Function (DCF). Research has shown that DCF's performance degrades...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A Comprehensive Analysis of Bandwidth Request Mechanisms in IEEE 802.16 Networks
May 2010
The IEEE 802.16 standard is considered to be one of the most promising technologies. Bandwidth reservation is employed to provide Quality of Service (QoS)-guaranteeing services. A request/grant...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Throughput Limits of IEEE 802.11 and IEEE 802.15.3
Nov 2009
Wireless LANs are becoming more sophisticated and innovative due to low cost, genuine mobility, fast implementation, customer satisfaction and high data rate communication. IEEE 802.11 is a...
Provided by Institute of Electrical and Electronics Engineers
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Whitepapers
Oracle and the case of the missing slides
Jun 2011
Commentary report from analyst Joe Clabbyst. Joe, a third party, non-IBM employee discusses some of Oracles product claims and points out holes in their systems product positioning.
Provided by IBM
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White Papers
Towards Reliable Communication Over WLAN
Aug 2007
In the current era of data communication, wireless networks are one of the most active areas of technology advancement. They are playing prominent role in the network and global Internet...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
WLAN Security Flaw: Cracking 64 Bit WEP Key
Nov 2010
The authors put on display an active attack on the WEP protocol that is able to recover a 64-bit WEP key using 5000 capture packets with a success probability of 90%. In order to succeed 100% in...
Provided by Jagran Institute of Management
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White Papers
Study of Algorithms to Optimize Frequency Assignment for Autonomous IEEE 802.11 Access Points
Sep 2010
This paper points to an automatic channel assignment for unadministrated, chaotic WLANs to take advantage on the given capacity of the IEEE 802.11 frequency spectrum and to enhance the quality of...
Provided by University of Applied Sciences
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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White Papers
A Game Theoretic Approach to Selfishness in 802.11e WLANs
Apr 2011
The 802.11e standard opens the configuration of several MAC parameters, which makes WLANs vulnerable to users that selfishly configure these parameters to gain more throughput. In this paper, the...
Provided by Universidad Carlos III de Madrid
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White Papers
A Control-Theoretic Approach to Distributed Optimal Configuration of 802.11 WLANs
Jun 2011
The optimal configuration of the contention parameters of a WLAN depends on the network conditions in terms of number of stations and the traffic they generate. Following this observation, a...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Performance Evaluation of UMTS-WLAN Interworking
Mar 2011
The main methods used to implement WLAN-3G inter working are: the mobile IP methods, the emulator method, and the gateway method. Each one of these methods enjoys some pros and suffers from some...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
A Dynamic Extensible Authentication Protocol for Device Authentication in Transport Layer
Mar 2012
Wireless Local Area Networks (Wireless LANs, or WLANs) are changing the landscape of computer networking. Wireless communications are inherently more open to attack than wired data transfer, as...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
A New OFDM Standard for High Rate Wireless LAN in the 5 GHz Band
Dec 2011
An overview is given of the new OFDM based wireless LAN standard which is being developed by IEEE 802.11, ETSI and MMAC. Signal processing issues are described and some simulations are shown to...
Provided by Sipnas college of Engineering & Technology
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White Papers
NACS: Non-Overlapping AP's Caching Scheme to Reduce Handoff in 802.11 Wireless LAN
Dec 2011
With the escalation of the IEEE 802.11 based wireless networks, Voice over IP and analogous applications are also used over wireless net-works. Recently, the wireless LAN systems are spaciously...
Provided by Ajou University
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White Papers
PIE in the Sky: Online Passive Interference Estimation for Enterprise WLANs
Mar 2011
Trends in enterprise WLAN usage and deployment point to the need for tools that can capture interference in real time. A tool for interference estimation can not only enable WLAN managers to...
Provided by University of Wisconsin
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White Papers
Analytic Study of Synchronization Errors in OFDM Systems Applied on WLAN Transceiver
Aug 2011
In this paper, a new energetic approach was developed to study the impact of synchronization errors on OFDM transmission systems. Indeed, this approach can be applied in wireless communication...
Provided by Academy & Industry Research Collaboration Center
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White Papers
Performance Analysis of WLAN Standards for Video Conferencing Applications
Dec 2011
A number of traffic characterization studies have been carried out on wireless LANs, which indicate that the wireless settings pose major challenges, especially for high bandwidth and delay...
Provided by Academy & Industry Research Collaboration Center
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White Papers
Real-Time Communication in IEEE 802.11 Wireless Mesh Networks: A Prospective Study
Jan 2011
The purpose of this paper is to present an on-going prospective study about IEEE 802.11 Wireless Mesh Networks (WMNs), focusing on available techniques to support real-time communication. This...
Provided by University of Porto
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White Papers
Distributed Optimal TXOP Control for Throughput Requirements in IEEE 802.11e Wireless LAN
Dec 2011
This paper designs a distributed Transmission OPportunity (TXOP) adaptation algorithm for IEEE802.11e Enhanced Distributed Channel Access (EDCA). Each node measures its throughput in a window and...
Provided by University of Toronto
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White Papers
Received Signal Strength Based Indoor Positioning Using Compressive Sensing
Oct 2011
The recent growing interest for indoor Location-Based Services (LBSs) has created a need for more accurate and real-time indoor positioning solutions. The sparse nature of location finding makes...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Contention Window Optimization: An Enhancement to IEEE 802.11 DCF to Improve Quality of Service
Dec 2011
Wireless communication technology has gained widespread acceptance in recent years. Wireless Local Area Networks (WLANs) are becoming more and more popular and widely used, since they provide high...
Provided by The Society of Digital Information and Wireless Communications (SDIWC)
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White Papers
Mobility: A Top Priority for Building a More Productive Workforce
Apr 2012
The workforce is changing drastically, further highlighting a demand for mobile solutions to streamline productivity. Especially in the IT services industry, employees who are required to travel...
Provided by LabTech Software
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White Papers
Multiband Loaded Inverted-F Antenna for WLAN/WiMAX/Wi-Fi Applications
Apr 2011
This paper presents the numerical simulations of multiband loaded inverted-F antenna for WLAN/WiMAX/Wi-Fi applications. The antenna contains high peak gain of 8.40, 8.48, 8.44 and 6.90 dBi at 2.3,...
Provided by Khulna University
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White Papers
Performance Enhancement of EY-NPMA Through Variable Yield
Oct 2007
Previous studies have shown that significant gains can be achieved, when the parameters of the EY-NPMA protocol are updated on the fly. When EY-NPMA adapts dynamically to the offered load,...
Provided by Aristotle University of Thessaloniki
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White Papers
Policies and Economics of Digital Multimedia Transmission
Mar 2010
There are different Standards of digital multimedia transmission, for example DVB in Europe and ISDB in Japan and DMB in Korea, with different delivery system (example MPEG-2, MPEG-4).This paper...
Provided by International Journal of Computer Science Issues
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White Papers
Modeling Throughput Performance in 802.11 WLAN
May 2010
This paper presents a mathematical framework for maximizing throughput in Wireless Local Area Network (WLAN) channels using key system design parameters such as packet length and transmission...
Provided by University of Uyo
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White Papers
Prediction-Based Data Transmission for Energy Conservation in Wireless Body Sensors
Nov 2009
Wireless body sensors are becoming popular in healthcare applications. Since they are either worn or implanted into human body, these sensors must be very small in size and light in weight. The...
Provided by Dalian University Of Technology
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Webcasts
Strategies for Delivering Secure Wireless Guest Access
Apr 2007
The presenter of this webcast will explain important strategies for offering simple, businesswide network guest access while maintaining the integrity of information and security of corporate...
Provided by Cisco Systems
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White Papers
Digital Wideband Excitation Technique for Impedance-Based Structural Health Monitoring Systems
Jul 2007
With ever increasing complexity in new mechanical structures, as well as aging structures in operation, locating damage with structural health monitoring techniques is becoming increasingly...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
How Much Improvement Can We Get From Partially Overlapped Channels?
Jan 2008
Partially Overlapped Channel (POC) based design, has been identified recently as a promising technique to overcome the capacity bottleneck facing wireless engineers in various networks, such as...
Provided by Virginia Polytechnic Institute and State University
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White Papers
Minimization of Handoff Latency by Vector Analysis Method
May 2011
Due to rapid growth in IEEE 802.11 based Wireless Local Area Networks(WLAN), handoff has become a burning issue. A Mobile Station (MS) requires handoff when it travels out of the coverage area of...
Provided by Jadavpur University
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White Papers
Resource Saving AES-CCMP Design With Hybrid Counter Mode Block Chaining - MAC
Oct 2008
IEEE 80211i security standard suite has been developed as a replacement of the highly vulnerable Wired Equivalent Privacy (WEP) to provide the 'Best' security for 802.11 Wireless Local Area...
Provided by University of Mauritius
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White Papers
Generalized Bandwidth Adaptive System for Multimedia Transmission in Multi-Cell Wireless Networks
May 2011
In this paper, a novel system, which adapts a bandwidth by dynamic extracting the excess bandwidth not only from one cell but also from other cells in the cellular wireless networks, is presented....
Provided by Taif University
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White Papers
Towards Experimental Evaluation of Explicit Congestion Control
Dec 2008
Innovative efforts to provide a clean-slate design of congestion control for future high-speed heterogeneous networks have recently led to the development of explicit congestion control. These...
Provided by Reed Elsevier
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White Papers
Decoupling Policy From Configuration in Campus and Enterprise Networks
Apr 2010
This paper surveys the authors' ongoing work on the use of software-defined networking to simplify two acute policy problems in campus and enterprise network operations: access control and...
Provided by Georgia Tech
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White Papers
Multi-Constrained Any path Routing in Wireless Mesh Networks
Feb 2010
Traditional routing algorithms and protocols for wireless networks often follow the design methodology for wired networks by abstracting the wireless links as wired links and looking for the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
RSS Measurement for Vertical Handoff in Heterogeneous Network
Nov 2008
Next generation wireless network is envisioned as a convergence of different wireless access technologies providing the user enhanced connection any where any time to improve the systems resource...
Provided by JATIT
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White Papers
Enhancing WLAN MAC Protocol Performance Using Differentiated VOIP and Data Services Strategy
Dec 2009
The application of Voice over-IP (VoIP) over WLANs has drawn a lot of attention from both industry and academia. Currently, the highly dense deployment of WLANs results in that the number of...
Provided by Anna University
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White Papers
Secure Neighborhood Discovery: A Fundamental Element for Mobile Ad Hoc Networking
Nov 2007
Pervasive computing systems will likely be deployed in the near future, with the proliferation of wireless devices and the emergence of ad hoc networking as key enablers. Coping with mobility and...
Provided by EPFL
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White Papers
Decimation Filter Design Toolbox for Multi-Standard Wireless Transceivers Using MATLAB
Aug 2010
The demand for new telecommunication services requiring higher capacities, data rates and different operating modes have motivated the development of new generation multi-standard wireless...
Provided by Gannon University
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White Papers
Designing an Efficient Retransmission Scheme for Wireless LANs: Theory and Implementation
Jun 2010
Network coding is known to benefit the downlink retranmissions by the AP in a wireless LAN from exploiting overhearing at the client nodes. However, designing an efficient and practical...
Provided by Purdue University
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White Papers
Optimal Initiation Based Vertical Handover for UMTS-802.11 WLAN Overlay Networks
Nov 2009
The next generation of wireless communications will be based on a heterogeneous infrastructure consisting different wireless and wired access systems where users will enjoy fast and seamless...
Provided by Huawei Technologies
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White Papers
A Four Architectures to Locate Mobile Users Using Statistical Mapping of WLANs in Indoor and Outdoor Environments-Loids
Jun 2009
These days wireless local area networks has become very popular, when the initial IEEE802.11 is the standard for providing wireless connectivity to automatic machinery, equipment and stations that...
Provided by World Academy of Science, Engineering and Technology
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White Papers
Compact Slotted Broadband Antenna for Wireless Applications
Jun 2009
This paper presents the theoretical investigation of a slotted patch antenna. The main objective of proposed work is to obtain a large bandwidth antenna with reduced size. The antenna has a...
Provided by Birla Institute of Technology
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White Papers
Poster Abstract: Burstiness and Scaling in the Structure of Low-Power Wireless Links
Apr 2009
The authors observe that low-power wireless links have non-trivial time-scaling characteristics at both the physical- and link-layers. Packet Reception Rate (PRR) analysis shows that links are...
Provided by Stanford University
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White Papers
Inverting Wireless Collision Avoidance
Apr 2009
The authors describe grant-to-send, a novel collision avoidance algorithm for wireless mesh networks. Rather than announce packets it intends to send, a node using grant-to-send announces packets...
Provided by Stanford University
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White Papers
On the Fairness of Large CSMA Networks
Apr 2009
The authors characterize the fairness of decentralized medium access control protocols based on CSMA/CA, in large multi-hop wireless networks. In particular, they show that the widely observed...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Secure Neighbor Discovery in Wireless Networks: Formal Investigation of Possibility
Mar 2008
Wireless communication enables a broad spectrum of applications, ranging from commodity to tactical systems. Neighbor Discovery (ND), that is, determining which devices are within direct radio...
Provided by Association for Computing Machinery
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White Papers
On the Benefits of Cooperative Video Broadcast Over WMANs and WLANs
Oct 2009
The authors study the problem of broadcasting video streams over a WMAN to many mobile devices. They propose to form a cooperative network among mobile devices that receive the same video stream,...
Provided by Association for Computing Machinery
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White Papers
Components Based Key Management Algorithm for Storage Area Networks
May 2011
Data sharing and file distributions are the two primary functions of network attached storages. Fibre Channel based Storage Area Networks (FC-SAN) have become a more popular solution for the...
Provided by Academy Publisher
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White Papers
Empirical-Based Analysis of a Cooperative Location-Sensing System
Oct 2007
The authors have designed a novel positioning system, the Cooperative Location-sensing System (CLS) that employs the peer-to-peer paradigm and a probabilistic framework to estimate the position of...
Provided by ICST
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White Papers
An Access Point Selection Algorithm for Heterogeneous Stations
May 2008
In wireless LAN technology, access point selection at each station is a critical problem in order to obtain satisfactory throughputs. The current protocol for access point selection is based on...
Provided by Kyushu Institute of Technology
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White Papers
Estimation of BT Interference and Equivalent Channel Taps in OFDM Based WLANs in Multipath Fading Channel
May 2008
One of the major sources of interference for WLANs operating in 2.4GHz unlicensed ISM is Bluetooth (BT). Though OFDM based WLAN's have features like strong immunity to multipath channel effects,...
Provided by Indian Institute of Science
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White Papers
Steered Microstrip Phased Array Antennas
Jun 2009
Beam-steering antennas are the ideal solution for a variety of system applications, including traffic control and collision-avoidance radars, smart base station antennas for WLAN and cellular...
Provided by World Academy of Science, Engineering and Technology
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White Papers
Networked Parallel Simulation of Transmission Grid
May 2008
This paper introduces an integrated network simulation of electric transmission grid, developed for the NNSA research project in the institution. Simulating various grid configurations and...
Provided by WILBERFORCE UNIVERSITY
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White Papers
Interference-Aware Decentralized Access Point Selection Policy for Multi-Rate IEEE 802.11 Wireless LANs
Jul 2008
This paper proposes a new decentralized Access Point Selection Policy for 802.11 Wireless Local Area Networks (WLANs). The authors derive a decision metric towards AP selection improvement. The...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A SINR Estimation for Closed-Loop Link Adaptation of 324 Mbit/sec WLAN System
Jul 2008
The authors developed a high speed wireless LAN prototype in 5 GHz frequency band. Maximum transmission rate of the developed WLAN system is 324 Mbit/sec using 6 multi-channels of the IEEE802.11a....
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Reducing Re-Authentication Delays During UMTS-WLAN Vertical Handovers
Jun 2008
Interworking Universal Mobile Telecommunication Systems (UMTS) and IEEE 802.11 Wireless Local Area Networks (WLANs) introduces new challenges in the design of secured and fast Vertical Handover...
Provided by University of British Columbia
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White Papers
Hypergraph T-Coloring for Automatic Frequency Planning Problem in Wireless LAN
Jul 2008
Frequency assignment is one of the main issues in radio networks planning. The multiple interferences are seldom taken into account in literature. There is not a framework with their modeling. A...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
WLAN Positioning Based on Joint TOA and RSS Characteristics
Sep 2010
WLAN Positioning has been presented by many approaches in literature's using the characteristics of Received Signal Strength (RSS), Time Of Arrival (TOA) or Time Difference of Arrival (TDOA),...
Provided by Suranaree University of Technology
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Whitepapers
Forrester Whitepaper: CMO's Miust Connect the Dots of the Online Brand
Jul 2011
CMOs must orchestrate their digital strategy using our connect-the-dots framework. Their objective: Elevate digital to the highest level of business strategy.
Provided by IBM
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White Papers
WLAN QoS Issues and IEEE 802.11e QoS Enhancement
Feb 2010
Wireless communication systems either ad hoc or infrastructure mode the key challenges that must be overcome to realize the practical benefits of Quality of Service (QoS). Generally the QoS is the...
Provided by SASTRA UNIVERSITY
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White Papers
Performance Evaluation of Multimedia Streams Over Wireless Computer Networks (WLANs)
Dec 2009
The field of WLAN has grown significantly in the last three decades. An interesting usage of computer networks is in offices and educational institutes were increased to exchange streams of...
Provided by Al-Azhar University
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White Papers
Wireless Networks With Retransmission Diversity and Carrier-Sense Multiple Access
Jun 2009
Network Diversity Multiple Access protocols (NDMA) have been shown to considerably outperform previously proposed algorithms. However, several issues in their analysis remain unsolved,...
Provided by University of Leeds
