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Mission Statement
TechRepublic's ITPapers is the Web's largest library of free technical IT white papers, webcasts, and case studies. Covering IT categories including Data Management, IT Management, Networking, Communications, Enterprise Applications, Storage, Security and much more, TechRepublic's White Paper Directory is the best source for technical white papers and IT information.
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White Papers
The RFID Radio Channel Performance in the Vehicular Control
Sep 2009
Most terrestrial wireless communication systems operate in environments that present a multitude of RF propagation problems. The Radio Frequency Identification (RFID) System, a wireless...
Provided by Instituto Politecnico Nacional
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White Papers
VLSI Design of an Anti-Collision Protocol for RFID Tags
May 2009
Radio Frequency Identification (RFID) is slated to become a standard tracking and tagging system for various products chain management systems. Since more and more products become RFID enabled, a...
Provided by EuroJournals
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White Papers
An Empirical Study of UHF RFID Performance
Sep 2008
This paper examines the performance of EPC Class-1 Generation-2 UHF RFID reader systems in a realistic setting. Specifically, one identifies factors that degrade overall performance and...
Provided by Association for Computing Machinery
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White Papers
Recognizing Daily Activities With RFID-Based Sensors
Oct 2009
This paper explores a dense sensing approach that uses RFID sensor network technology to recognize human activities. In the setting, everyday objects are instrumented with UHF RFID tags called...
Provided by Association for Computing Machinery
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White Papers
Mobile RFID Tag Detection Influence Factors and Prediction of Tag Detectability
Mar 2009
Radio-Frequency Identification (RFID) readers are powered RF devices that communicate with tags (whether mobile or fixed) and read necessary information to be processed. A mobile RFID tag is...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
RFID Tags: Positioning Principles and Localization Techniques
Oct 2008
RFID is an automatic identification technology that enables tracking of people and objects. Both identity and location are generally key information for indoor services. An obvious and interesting...
Provided by Universite Pierre et Marie Curie
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White Papers
A Metallic RFID Tag Design for Steel-Bar and Wire-Rod Management Application in the Steel Industry
Mar 2009
In recent years, RFID solutions are finding an increasing number of applications in a wide variety of industries. There are some natural limitations when applying RFID technology in the steel...
Provided by China Steel
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White Papers
RFID Application in Municipal Solid Waste Management System
Jan 2009
Processing and recovery is a key functional element in Municipal Solid Waste Management System (MSWMS). Reuse, recycle and recovery of valuable components of waste stream are given much attention...
Provided by University of Melbourne
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White Papers
Healthcare Professionals Identification at Regional and Local Level: An RFId Integrated Scenario Based on Synergic Experiences
Jan 2009
This paper presents a perspective scenario of synergy on the themes of identification provisioning and traceability, which may bind closely two top tier projects in the Lombardy Region, Italy. The...
Provided by European Communities
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White Papers
An Exploratory Study of RFID Adoption in Retail Sector
Apr 2009
While several large retailers have mandated RFID deployment across their value chain, the case for RFID adoption among several other retailers still remains more uncertain. This paper uses an...
Provided by Pennsylvania State University
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White Papers
Personal Identification in Dynamic Images Using UHF Band RFID System for Service Provision
Aug 2008
Off late, many surveillance cameras are installed in public spaces. This paper presents a proposal of using these cameras for service provision. To do so, it is important to identify "Who" the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A Low-Power RF Front-End of Passive UHF RFID Transponders
Nov 2008
This paper presents in details the architecture and most of RF front-end building blocks of a fully integrated passive Radio Frequency Identification (RFID) transponder operating at UHF 902MHz to...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Sensor Integration in an RFID Tag for Monitoring Biomedical Signals
May 2008
RFID is evolving as a major technology enabler for identifying and tracking goods. RFID applications in biomedical area not only need to detect but also require monitoring and transmitting vital...
Provided by Indian Institute of Technology Guwahati
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White Papers
Analysis and Design of Wideband Passive UHF RFID Tags Using a Circuit Model
Mar 2009
The great majority of commercial UHF RFID tags are based on dipole antennas using a modification of a T-match as a matching circuit. The literature contains examples of wideband matching, but...
Provided by University of Kansas
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White Papers
A Secure Agent Platform for Active RFID
Jul 2009
RFID are used to identify products in factory automation applications; Multi agent systems are a possibility to introduce flexibility into production processes. This paper introduces a platform...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
The Study and Application of Tree-Based RFID Complex Event Detection Algorithm
May 2009
With the extension of RFID application, RFID data processing techniques become one of the core techniques. Recently, researchers adopt the event-centric methods to process RFID data and obtain...
Provided by Academy Publisher
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White Papers
Design & Development Low Cost RFID Antenna
Sep 2009
This paper describes how Low Cost HF (13.56 MHz) antennas can be built and tuned so that their characteristics match the requirements of the high performance reader and third party RF modules....
Provided by Journal of Theoretical and Applied Information Technology
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White Papers
Demo Abstract: Measuring Foot Pronation Using RFID Sensor Networks
Nov 2009
Running efficiency is an important factor to consider in order to avoid injury. In particular, foot pronation, the angle of the foot as it hits the ground, is a common cause for many types of...
Provided by Association for Computing Machinery
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White Papers
A Hardware Authentication Architecture for Pervasive Devices
Feb 2009
This paper presents a hardware implementation for the HB++ authentication protocol. The design is efficient enough to be used in resource constrained pervasive devices like RFID tags or sensor...
Provided by Microsoft
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White Papers
The Impact of RFID-Based Traceability System on Perceived Competitive Advantage in the Food Industry
Aug 2008
This study examines the impact of Radio Frequency Identification (RFID)-based traceability system on the competitive advantage in the food industry. The result from the in-depth interview...
Provided by Oklahoma State University
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White Papers
When Mobile Phones Are RFID-Equipped - Finding E.U.-U.S. Solutions to Protect Consumer Privacy and Facilitate Mobile Commerce
Mar 2009
New mobile phones have been designed to include delivery of mobile advertising and other useful location-based services, but have they also been designed to protect consumers' privacy? One of the...
Provided by Oregon State University
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White Papers
Efficient Tag Detection in RFID Systems
Jul 2008
Off late technological advances have motivated large-scale deployment of RFID systems. However, a number of critical design issues relating to efficient detection of tags remain unresolved. This...
Provided by Reed Elsevier
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White Papers
Performance-Effective and Low-Complexity Redundant Reader Detection in Wireless RFID Networks
Apr 2008
The problems of redundant RFID reader detection and coverage have instigated researchers to propose different optimization heuristics due to the rapid advance of technologies in large-scale RFID...
Provided by Mokwon University
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White Papers
Study of Material Interference in a RFID Tag Reading
Mar 2009
Radio-Frequency Identification (RFID) is an automatic identification method that uses radio signals, relying on storing and remotely retrieving data using RFID tags or transponders. RFID...
Provided by University of Aveiro
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White Papers
RFID-Enable Real-Time Multi-Experiment Training Center Management System
Jun 2009
This paper proposes a real-time web system based on RFID, B/S+C/S (Browser/Server + Client/Server) module and wireless communication so-called 433MHz, all of which are used to solve some crucial...
Provided by University of Hong Kong
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White Papers
United States Department of Defense Suppliers' Passive RFID Information Guide
Mar 2009
The goal of the United States Department of Defense (DoD) is to employ mature and emerging supply chain technologies to optimize the supply chain. RFID is a transformational technology that...
Provided by ID Integration
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White Papers
Laydown Yard Optimization Using RFID: A Cost and Time Perspective
Oct 2009
This project reports the use and applications of Radio Frequency Identification (RFID) technique in a laydown yard zone. Every construction site has a laydown yard with equipments and materials...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Indoor Localization: Automatically Constructing Today's Radio Map by iRobot and RFIDs
Jul 2009
For outdoor localization, GPS already provides a satisfactory solution. For indoor localization, however, a globally usable solution is still missing. One promising direction that is proposed...
Provided by National Chiao-Tung University
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White Papers
Passive Wireless Sensing Using SWNT- Based Multifunctional Thin Film Patches
Feb 2008
This study presents a high-performance inductively coupled multifunctional carbon nanotube thin film sensor for structural monitoring applications. A versatile layer-by-layer self-assembly sensor...
Provided by University of Michigan (Ross)
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White Papers
Development of Digital Photo System Using RFID Technology in Plant Construction Management
Sep 2009
The paper has studied the applicability of RFID tags and developed systems to provide clear work traceability to streamline administrative task in the construction work of a plant. The test...
Provided by Hitachi
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White Papers
Emerging Technologies: RFID and the Asynchronous Student
Dec 2008
Many learners within the VET system learn on-the-job or through distance education, but occasionally learners need to physically attend a Registered Training Organisation (RTO) for block release...
Provided by Commonwealth of Australia
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White Papers
Security Aspects and Prospective Applications of RFID Systems
Sep 2008
The new paradigm known as "Pervasive computing" or "Ubiquitous computing" refers to a new development in the field of information and communication technology. During this development more and...
Provided by German Federal Office for Information Security (BSI)
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White Papers
Wildlife and Environmental Monitoring Using RFID and WSN Technology
Nov 2009
Wireless Sensor Networks enable scientists to collect information about the environment with a granularity unseen before, while providing numerous challenges to software designers. Since sensor...
Provided by Association for Computing Machinery
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White Papers
Public Key Cryptography on RFID Tags: "A Survey on the GPS Identification Scheme"
Jun 2009
In the last few years, a lot of research effort has been made in the area of Radio Frequency Identification (RFID) technology. The widespread deployment of RFID tags and their increased usage in...
Provided by Technische Universiteit Eindhoven
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White Papers
Power Analysis for the MOS AC/DC Rectifier of Passive RFID Transponders
Mar 2008
The operating principle of MOS FETs AC/DC rectifier for passive RFID transponder is introduced and the power dissipation of MOS rectifier operating with 902M-928MHz Industrial, Scientific, and...
Provided by Tsinghua University
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White Papers
Agents on RFID Tags - A Chance to Increase Flexibility in Automation
Jul 2009
RFIDs (Radio Frequency Identification) are used for identification of products in manifold areas including industrial automation. Their ability to identify products tremendously supports keeping...
Provided by Austrian Academy of Sciences
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White Papers
Design Methods for 3D RFID Antennas Located on a Conducting Ground Plane
Feb 2009
Radio Frequency Identification (RFID) is an emerging technology for remotely identifying assets and controlling devices via a wireless link. A typical RFID transponder (tag) consists of an antenna...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A Comparative Analysis of RFID Adoption in Retail and Manufacturing Sectors
Apr 2008
Radio Frequency Identification (RFID) technology mandates by large retailers and various government agencies has driven compliance requirements for many organizations to implement the technology....
Provided by Institute of Electrical and Electronics Engineers
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White Papers
The Impact of Emerging RFID Technology in the Wirefree Environment for Automatic Identification, Data Collection and Dedicated Short Range Communication
May 2009
Radio Frequency Identification is a Dedicated Short Range Communication (DSRC) technology. With RFID, the electromagnetic or electrostatic coupling in the RF (radio frequency) portion of the...
Provided by Journal of Theoretical and Applied Information Technology
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White Papers
Fractal Antenna for Passive UHF RFID Applications
Jul 2009
This paper addresses the design of fractal antennas placed onto dielectric object in the UHF RFID band and introduces a tag antenna configuration of simple geometry having impedance tuning...
Provided by Menoufia University
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Whitepapers
A New Link Scheduling Algorithm for Concurrent Tx/Rx Wireless Mesh Networks
May 2008
Wireless routers equipped with smart antennas are capable of forming beams to neighboring devices to transmit/receive multiple packets simultaneously, hence achieving high network capacity. This...
Provided by University of Wisconsin�River Falls
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Whitepapers
Power-Law and Stable Distribution of BGP Paths
Apr 2008
This paper presents two new properties of BGP routes. First, it shows that the frequency of Autonomous Systems (ASs) appearing in path vectors follow a Power-Law relationship. Secondly, it shows...
Provided by University of Wisconsin�River Falls
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Whitepapers
On the Viability and Performance of DNS Tunneling
Aug 2011
DNS tunnels are network covert channels that allow the transmission of arbitrary data using the DNS infrastructure. Users can use such tunnels to hide their communication sessions in order to...
Provided by University of Wisconsin�River Falls
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Whitepapers
A Novel Anti-Collision Protocol for Energy Efficient Identification and Monitoring in RFID-Enhanced WSNs
Apr 2008
This paper presents a Dynamic Framed Slotted Aloha (DFSA) protocol that is energy efficient, and more importantly, is the first protocol capable of monitoring tags. The authors' protocol uses...
Provided by University of Wisconsin�River Falls
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Whitepapers
A Simulation Study on the Energy Efficiency of Pure and Slotted Aloha Based RFID Tag Reading Protocols
Jul 2008
Radio Frequency IDentification (RFID) technologies are emerging to be a favorite alternative to bar-codes due to their non line of sight object identification capabilities. In addition, RFID tags...
Provided by University of Wisconsin�River Falls
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Whitepapers
On Scheduling Unicast and Multicast Traffic in High Speed Routers
Feb 2009
Researchers have thus far considered scheduling unicast and multicast traffic separately, and have paid little attention to integrated schedulers. To this end, the authors present a new integrated...
Provided by University of Wisconsin�River Falls
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Whitepapers
A Green Scheduler for Enterprise WLANs
Aug 2011
Enterprises are beginning to deploy redundant, centrally controlled Access Points (APs) to provide high bandwidth, mobility and reliability service to their workers. As pointed by the authors,...
Provided by University of Wisconsin�River Falls
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Whitepapers
A Unified Study of Epidemic Routing Protocols and Their Enhancements
May 2012
Epidemic protocols belong to a class of routing paradigm that have wide ranging applications in Delay Tolerant Networks (DTNs) due to their simplicity, low delays, and little to no reliance on...
Provided by University of Wisconsin�River Falls
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Whitepapers
Power-Aware Routing in Networks With Delay and Link Utilization Constraints
Oct 2012
This paper addresses the NP-hard problem of switching off bundled links whilst retaining the QoS provided to existing applications. The authors propose a fast heuristic, called Multiple Paths by...
Provided by University of Wisconsin�River Falls
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Whitepapers
Novel Association Strategies for Supporting Multicast in WLANs With Smart Antennas
Oct 2012
Multicast is an important service in Wireless Local Area Networks (WLANs) as it provides an efficient means to send packets to multiple stations at the same time. Unfortunately, the transmission...
Provided by University of Wisconsin�River Falls
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Whitepapers
ALOHA Performs Optimal Power Control in Poisson Networks
Jan 2012
This paper studies power control strategies in interference-limited wireless networks with Poisson distributed nodes. The authors focus on the case where each transmitter knows its distance to its...
Provided by University of Northern Iowa
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Whitepapers
Transport Density Vs. Channel Access Time in Wireless Networks: Power Control and Efficient MAC Design
Aug 2012
Power control plays an important role in the design and operation of wireless networks. In this paper, the authors first define two critical metrics, transport density and channel access time to...
Provided by University of Northern Iowa
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Whitepapers
Delay Scaling in Poisson Networks
Apr 2013
The local delay, defined as the mean time it takes a node to connect to its nearest neighbor, is a fundamental performance metric in a wireless network. For a network with Poisson distributed...
Provided by University of Northern Iowa
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Whitepapers
Joint Channel/Network Coding for Star Networks
Apr 2013
Channel coding alone is not sufficient to reliably transmit a message of finite length from a source to one or more destinations as in, e.g., file transfer. To ensure that no data is lost, it must...
Provided by University of Northern Iowa
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Whitepapers
The Aggregate Throughput in Random Wireless Networks With Successive Interference Cancellation
Apr 2013
The feasibility of Successive Interference Cancellation (SIC) depends on the received power ordering from different users, which, in turn, depends on the fading distribution, path loss function...
Provided by University of Northern Iowa
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Whitepapers
On Decoding the Kth Strongest User in Poisson Networks With Arbitrary Fading Distribution
Apr 2013
Consider a d-dimensional network whose transmitters form a non-uniform Poisson point process and whose links are subject to arbitrary fading. Assuming interference from the k-1 strongest users is...
Provided by University of Northern Iowa
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Whitepapers
Delay-Optimal Power Control Policies
Oct 2012
The Delay Till Success (DTS) is the mean number of transmissions needed, averaged over the fading, until a single packet is successfully received (decoded) over a wireless link. This paper shows...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Spatial Stochastic Models and Metrics for the Structure of Base Stations in Cellular Networks
Feb 2013
The spatial structure of Base Stations (BSs) in cellular networks plays a key role in evaluating the downlink performance. In this paper, different spatial stochastic models (the Poisson Point...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Joint Design of Channel and Network Coding for Star Networks
Dec 2012
Channel coding alone is not sufficient to reliably transmit a message of finite length K from a source to one or more destinations as in, e.g., file transfer. To ensure that no data is lost, it...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
The Local Delay in Mobile Poisson Networks
Jan 2013
For communication between two neighboring nodes in wireless networks, the local delay, which is defined as the time it takes a node to successfully transmit a packet, is an important quantity....
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Managing Interference Correlation Through Random Medium Access
Apr 2013
The capacity of wireless networks is fundamentally limited by interference. However, little research has focused on the interference correlation, which may greatly increase the local delay (namely...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Stochastic Geometry for Modeling, Analysis, and Design of Multi-Tier and Cognitive Cellular Wireless Networks: A Survey
Apr 2013
For more than three decades, stochastic geometry has been used to model large-scale ad hoc wireless networks, and it has succeeded to develop tractable models to characterize and better understand...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Information-Theoretic Analysis of an Energy Harvesting Communication System
Jun 2010
In energy harvesting communication systems, exogenous recharge process supplies energy for the data transmission and arriving energy can be buffered in a battery before consumption. Transmission...
Provided by University of Mary Washington
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Whitepapers
Broadcasting With a Battery Limited Energy Harvesting Rechargeable Transmitter
Mar 2011
The authors consider the minimization of the transmission completion time with a battery limited energy harvesting transmitter in a two-user AWGN broadcast channel. The transmitter has fixed...
Provided by University of Mary Washington
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Whitepapers
Wiretap Channels: Roles of Rate Splitting and Channel Prefixing
May 2011
Csiszar and Korner's characterization of the rate-equivocation region of a general wiretap channel involves two auxiliary random variables: U, which represents rate splitting and V, which...
Provided by University of Mary Washington
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Whitepapers
AWGN Channel Under Time-Varying Amplitude Constraints With Causal Information at the Transmitter
Jan 2012
The authors consider the classical AWGN channel where the channel input is constrained to an amplitude constraint that stochastically varies at each channel use, independent of the message. This...
Provided by University of Mary Washington
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Whitepapers
Optimal Transmission Policies Over Vector Gaussian Broadcast Channels With Energy Harvesting Transmitters
Oct 2011
The authors consider an energy harvesting transmitter sending messages to two users over a vector broadcast channel. Energy required for communication arrives (is harvested) at the transmitter and...
Provided by University of Mary Washington
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Whitepapers
Rate-Equivocation Region of Cyclic Shift Symmetric Wiretap Channels
Sep 2011
In this paper, the authors study cyclic shift symmetric wiretap channels in which the channels between Alice and Bob and Alice and Eve are both cyclic shift symmetric. They characterize the...
Provided by University of Mary Washington
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Whitepapers
Optimal Scheduling Over Fading Broadcast Channels With an Energy Harvesting Transmitter
Oct 2011
The authors consider an energy harvesting transmitter sending messages to two users over a fading AWGN broadcast channel. Energy required for communication arrives (is harvested) at the...
Provided by University of Mary Washington
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Whitepapers
Energy Cooperation in Energy Harvesting Wireless Communications
May 2012
The authors consider a simple multi-hop communication scenario composed of a source node, a relay node and a destination node where the source and the relay can harvest energy from the nature....
Provided by University of Mary Washington
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Whitepapers
Gaussian Wiretap Channel With an Amplitude Constraint
Jul 2012
The authors consider the Gaussian wiretap channel with an amplitude constraint, i.e., a peak power constraint, on the channel input. They show that the entire rate-equivocation region of the...
Provided by University of Mary Washington
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Whitepapers
Gaussian Wiretap Channel With a Batteryless Energy Harvesting Transmitter
Jul 2012
The authors study the Gaussian wiretap channel with an energy harvesting transmitter which does not have a battery to save energy. In the absence of a battery, the necessary transmission energy is...
Provided by University of Mary Washington
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Whitepapers
Energy State Amplification in an Energy Harvesting Communication System
May 2012
In energy harvesting communication systems, the energy required for message transmission is maintained by an exogenous energy arrival process independent of the message. This links the problem of...
Provided by University of Mary Washington
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Whitepapers
Energy Cooperation in Energy Harvesting Two-Way Communications
Feb 2013
In this paper, the authors investigate a two-way communication channel where users can harvest energy from nature and energy can be transferred in one-way from one of the users to the other....
Provided by University of Mary Washington
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Whitepapers
Two-Way and Multiple-Access Energy Harvesting Systems With Energy Cooperation
Dec 2012
The authors study the capacity regions of the Gaussian Two-Way Channel (TWC) and the Gaussian two-user Multiple Access Channel (MAC) with one-way energy transfer. In both scenarios, there are two...
Provided by University of Mary Washington
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Whitepapers
Random Backoff Control to Thwart Malicious Behavior in WLANs
Feb 2013
Providing a fair and secure medium access scheme is a fundamental requirement in centralized wireless networks. However, IEEE 802.11 systems do not provide any fairness control mechanism and...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Channel and Traffic Status Aware Relay Selection and Traffic Queue a Nalysis in Wireless User-Relaying Networks
Aug 2012
User relaying is a very effective technique to achieve cooperative diversity in wireless networks. In this paper, a new relay selection scheme is proposed jointly considering the channel...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Adaptive Threshold for Energy Detector Based on Discrete Wavelet Packet Transform
Aug 2012
One promising approach to achieving high precision and low complexity in a cognitive radio system is the energy detector based on the Discrete Wavelet Packet Transform (DWPT). However, the...
Provided by University of Ljubljana
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Whitepapers
Design and Performance Investigation of a Dual-Element PIFA Array at 2.5 GHz for MIMO Terminal
Jul 2009
A study is described of a modified Planar Inverted-F Antenna (PIFA) operating in 2.5 GHz band on a Printed Circuit Board (PCB) of a mobile phone handset. The antenna dimension is reduced...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Stacked Patch Circular Polarized Antenna for GPS/Galileo Receiver Applications
May 2012
Global Positioning System (GPS) is a satellite radio navigation system that makes use of a Medium Earth Orbit (MEO) satellite constellation for positioning and navigation. Presently, several...
Provided by Institute of Electrical & Electronic Engineers
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White Papers
Measurements and Comparison of WiMAX Radio Coverage at 2.5 GHz and 3.5 GHz
Feb 2009
The performance of co-located WiMAX transmitter sites operating at 2.5 and 3.5GHz are compared, based on coverage assessments. The study showed that the 2.5GHz performed marginally better than the...
Provided by Tecnologico de Monterrey
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White Papers
On Centralized Scheduling and Channel Assignment Scheme for WiMAX Mesh Networks
Aug 2009
WiMAX provides a mechanism for creating Multihop mesh, which can be deployed as high speed wide-area wireless network. Because multiple-access interference is a major limiting factor for the WiMAX...
Provided by Tamkang University
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White Papers
Performance Evaluation of a Deployed WiMAX System Operating in the 4.9GHz Public Safety Band
Dec 2008
This paper presents an evaluation of a deployed WiMAX system operating in the 4.9GHz Public Safety Band in the City of Tulsa. The study includes propagation analysis for the coverage and network...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Energy-Efficient Network Selection With Mobility Pattern Awareness in an Integrated WiMAX and WiFi Network
Aug 2009
To provide wireless Internet access, WiFi networks have been deployed in many regions such as buildings and campuses. However, WiFi networks are still insufficient to support ubiquitous wireless...
Provided by John Wiley & Sons
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White Papers
The Overhead and Efficiency Analysis on WiMAX's MAC Management Message
Apr 2009
This paper presents the overhead analysis on MAC Management Messages of WiMAX based on IEEE802.16 standard. The efficiency on the MAC layer is derived for Point to Multipoint (PMP) topology. The...
Provided by University of Lampung
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White Papers
Available Measurements in Current WiMAX Networks and Positioning Opportunities
Sep 2009
This paper considers the practical issues related to positioning in WiMAX networks depending on the available measurements. The network under study is the Clearwire network deployed in Brussels...
Provided by IMEKO
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White Papers
A 50Mbps Double-Binary Turbo Decoder for WiMAX Based on Bit-Level Extrinsic Information Exchange
Nov 2008
A 50Mbps, 2.24mm2 double-binary turbo decoder is designed and implemented in 0.13ìm CMOS process for the WiMAX standard. To reduce the large extrinsic memory needed in double-binary turbo...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Towards for Admission Control in WIMAX Relay Station Mesh Network for Mobile Stations Out of Coverage Using Ad-Hoc
Aug 2009
WIMAX relay station mesh network has been approved by IEEE 802.16j as a standard to provide a highly data rate transmission, the RS was implemented to extend the coverage zone of the BS, for...
Provided by University of Malaya
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White Papers
A Pegasus Over WiFi and WiMax Demo: Connectivity at High Speeds
Sep 2009
This paper presents Pegasus, a system providing wireless connection roaming at high velocities over multiple interfaces. The system operates over WiMax, as well as over "In situ" WiFi networks,...
Provided by University of Maryland
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White Papers
Comparative Analysis of Alternative Last Mile Broadband Access Technologies (Wi-Fi and WiMAX)
May 2009
Broadband wireless access networks are considered to be enterprise-level networks providing more capacity and coverage. Wireless networking has offered an alternative solution to the problem of...
Provided by Covenant University
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White Papers
New Contention Resolution Schemes for WiMAX
Aug 2009
The use of Broadband Wireless Access (BWA) technology is increasing due to the use of Internet and multimedia applications with strict requirements of end - to - end delay and jitter, through...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Initialization of Handover Procedure in WiMAX Networks
Apr 2009
This paper introduces a new approach in the triggering of handover procedure in WiMAX networks. Mobile WiMAX, based on the IEEE 802.16e standard, supports a several types of handovers and allows...
Provided by Czech Technical University
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White Papers
Downlink Performance Analysis of Full-Rate STCs in 2×2 MIMO WiMAX Systems
Oct 2008
MIMO techniques play a key role in the current wireless specifications including IEEE 802.11n, IEEE 802.16e, and LTE. Indeed, Spatial Multiplexing (SM) and Alamouti code are already in use in...
Provided by Sequans
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White Papers
Measurement Based Throughput Evaluation of Residual Frequency Offset Compensation in WiMAX
Sep 2009
WiMAX utilizes a physical-layer based on OFDM that is very sensitive to carrier frequency offset. Even though most of this offset can be compensated using the initial training sequence, there...
Provided by Vienna University of Technology
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White Papers
Design and Development of Basic Physical Layer WiMAX Network Simulation Models
Jan 2009
This paper details and summarizes the work performed in developing computer simulation models for fixed and mobile WiMAX physical layers. The development was divided into 3 phases during which...
Provided by Defence Research and Development Canada
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White Papers
A Unified Parallel Radix-4 Turbo Decoder for Mobile WiMAX and 3GPP-LTE
Aug 2009
This paper describes the energy-efficient implementation of a high performance parallel radix-4 turbo decoder, which is designed to support multiple fourth-Generation (4G) wireless communication...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A Semi-Analytical Method to Model Effective SINR Spatial Distribution in WiMAX Networks
Dec 2008
This paper has detailed the validation of mono/multi-profile BE traffic models for WiMAX network. Results through and analytical model are in good agreement. Apart from validation, the paper has...
Provided by Telecom ParisTech
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White Papers
Throughput and Capacity of MIMO WiMAX
Nov 2009
The work in this paper presents physical layer throughput measurement results of a WiMAX link implemented according to IEEE 802.16-2004. The measurements were carried out in an alpine and an urban...
Provided by Vienna University of Technology
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White Papers
Scalable Feedback Suppression Mechanism for Multicast Service in Wireless TDMA Network
May 2009
Hybrid ARQ is deployed in error prone wireless network to provide reliable unicast transmission with the positive or negative acknowledgement report. However, the feedback implosion is a...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
The MIMOWA Project: A Step Towards the Real Implementation of MIMO Techniques in Future Wireless Systems
May 2009
Multiple-Input Multiple-Output (MIMO) is a radio antenna technology which employs multiple antennas at both transmitter and receiver ends, and provides new enhancements and potentials in...
Provided by Universitat Politecnica de Catalunya
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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
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White Papers
Actual Condition and Issues for Mobile Security System
Dec 2007
The high-speed mobile Internet has recently been expanded to include 3G mobile services. Mobile music distribution has become a major service, and, pay-broadcasting, TV telephone, and TV...
Provided by Kyushu University
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White Papers
AD-PLL for WiMAX With Digital Bang-Bang TDC and Glitch Correction Logic
Jun 2009
This paper describes the design of an All-Digital Phase Locked Loop (ADPLL) for wireless applications in the WiMAX 3.3-3.8 bandwidth. The Time/Digital Converter (TDC) sets the in-band noise and it...
Provided by Politecnico di Milano
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White Papers
Prediction of Near Likely Nodes in Data-Centric Mobile Wireless Networks
May 2009
As the increasing amount of data is collected in mobile wireless networks for emerging pervasive applications, data-centric storage provides energy-efficient data dissemination and organization....
Provided by Stevens Institute of Technology
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White Papers
Selective Code Dissemination in Mobile Wireless Sensor Networks
Dec 2008
Wireless Sensor Networks are gaining popularity, thus one can see more and more deployments. One of the many applications of these networks is wildlife monitoring. Zoologists are interested in...
Provided by Association for Computing Machinery
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White Papers
Loss Network Models and Multiple Metric Performance Sensitivity Analysis for Mobile Wireless Multi-Hop Networks
Nov 2008
This paper develops and evaluates a new method for estimating and optimizing various performance metrics of mobile wireless multi-hop networks, including MANETs. The method utilizes approximate...
Provided by University of Maryland
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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
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White Papers
Performance Evaluation of Wireless Routing Protocols in Mobile WiMAX Environment
Mar 2008
Worldwide Interoperability for Microwave Access (WiMAX) is a technology that bridges the gap between fixed and mobile access and offer the same subscriber experience for fixed and mobile user....
Provided by International Association of Engineers
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White Papers
The Potential of Person Centric Wireless Mobile Devices and Telehealth Solutions: Sustaining Rising Healthcare Costs and Providing Quality Care
Sep 2009
This paper explores new solutions to old health system problems. Currently, the health system loses a great deal of time and money due to two prevalent problems: patients missing scheduled...
Provided by Vensa Health
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White Papers
Usability Issues in Mobile-Wireless Information Systems
May 2009
Usability is one of the characteristics that compose the multi-dimension concept of information systems' quality. Technology improvements enable the building of information systems to be used "Any...
Provided by Open University of Israel
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White Papers
Mobile Device Security Information for CIOs/CSOs
May 2009
In today's business environment, managing and controlling access to data is critical to long-term business viability and survivability. Mobile devices - such as Personal Digital Assistants (PDAs),...
Provided by Trusted Information Sharing Network
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White Papers
Emergency Through-Ground Mobile Communications System
Jun 2009
Wireless Fibre Systems (WFS), Ltd. began investigating through-water and through-ground ElectroMagnetic (EM) communications and sensing in 2004 targeting applications in the Defence, Oil and Gas...
Provided by WFS Technologies
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White Papers
Implementation and Evaluation of a Mobile Wireless PlanetLab Node
Aug 2009
With the introduction of cellular phones, mobile wireless communication has become an integral part of day-to-day life in this century. A testbed is crucial in continuing cutting-edge wireless...
Provided by University of California
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White Papers
Sidewinder: A Predictive Data Forwarding Protocol for Mobile Wireless Sensor Networks
May 2009
In-situ data collection for mobile wireless sensor network deployments has received little study, such as in the case of floating sensor networks for storm surge and innundation monitoring. The...
Provided by Michigan State University
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White Papers
Mobile Wireless Communications Past and Future Trends
Jul 2008
Many mobile and wireless communications systems are currently in operation, and work is ongoing to standardise the systems of the future. The major international standardisation bodies for mobile...
Provided by Roke Manor Research
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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
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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
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White Papers
Content and Resources Based Mobile and Wireless Video Transcoding
Jun 2009
Delivering streaming video over wireless is an important component of many interactive multimedia applications running on personal wireless handset devices. Such personal devices have to be...
Provided by World Academy of Science, Engineering and Technology
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Case Studies
Trapeze Smart Mobile Delivers Wireless Mobility for 16,000 Professionals in 100 Facilities at Wheaton Franciscan Healthcare
Oct 2008
Based in suburban Milwaukee, Wisconsin, nonprofit Wheaton Franciscan Healthcare (WFH) is one of the largest healthcare providers in the Midwestern United States. The challenge was to replace a...
Provided by Trapeze Networks
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Case Studies
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
