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mobile and wireless
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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
LTE and WiMAX Comparison
Dec 2008
Two emerging technologies, the IEEE 802.16 WiMAX (Worldwide Interoperability for Microwave Access) and the 3GPP LTE (Third Generation Partnership Project Long Term Evolution) aim to provide mobile...
Provided by Santa Clara University
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White Papers
WiMAX/802.16 Security in Mesh Mode
Dec 2008
WiMAX/802.16 is a standard of Wireless Metropolitan Area Networks (WMAN). This standard, which was originally designed for solving the last mile problem, has become popular in fixed and mobile...
Provided by Carleton University
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Case Studies
University of the South - Providing Wireless to Increase Student and Faculty Satisfaction
Oct 2008
The University of the South, known familiarly as "Sewanee," is located on 10,000 acres atop the Cumberland Plateau between Nashville and Chattanooga, Tenn. They needed to find a wireless solution...
Provided by Hewlett-Packard (HP)
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Case Studies
Hewlett-Packard (HP) Case Study: Asan Medical Center
Nov 2008
In anticipation of opening a new 15-story building on its main campus that would house an additional 700 beds, Asan Medical Center wanted to upgrade its wireless LAN infrastructure in order to...
Provided by Hewlett-Packard (HP)
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Whitepapers
A Review of Routing Protocols in Mobile Ad Hoc Networks
Jun 2012
The widespread use of Mobile and handheld devices is likely to popularize Ad hoc NETworks (MANET), in which there is no requirement of any fixed wired infrastructure for intercommunication. An...
Provided by Kurukshetra University
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Whitepapers
Intelligent Mobile Environnements Recovery Techniques
Jun 2012
Checkpointing is one of the commonly used techniques to provide fault tolerance in distributed systems so that the system can operate even if one or more components have failed. However, mobile...
Provided by Kurukshetra University
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Whitepapers
New Paradigms in Check-Pointing Techniques in Distributed Mobile Systems
Dec 2011
Distributed systems today are ubiquitous and enable many applications, including client - server systems, transaction processing, the World Wide Web, and scientific computing, among many others....
Provided by Kurukshetra University
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Whitepapers
THR : A Two-Hop Look Ahead With Packet Buffering Protocol for MANET
Jun 2011
Wireless ad hoc network consist of mobile nodes which rely on each other to transmit data over multi-hops by forwarding packets. In the process of data transmission route discovery and maintenance...
Provided by Kurukshetra University
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Whitepapers
Performance Evaluation of Cluster-Based Routing Protocols Used in Heterogeneous Wireless Sensor Networks
Jun 2011
WSNs are highly affected by the energy dissipation of the nodes. In fact, sensor nodes are usually used to collect and report application-specific data to the monitoring node, known as a sink...
Provided by Kurukshetra University
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Whitepapers
Performance Evaluation of MAC Protocols WLAN
Dec 2009
Ad hoc wireless networks provide infrastructure-free communication, an efficient MAC protocol through which mobile stations can share a common broadcast channel is essential. The present medium...
Provided by Kurukshetra University
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Whitepapers
A Fuzzy Based Distributed Node Movement Algorithm for Maintaining Neighborhood Topology in Mobile Ad-Hoc Networks
Dec 2009
This paper proposes one scheme for selecting neighborhood and fuzzy based distributed movement algorithm for maintaining neighborhood topology during movement of the network. All the nodes are...
Provided by Kurukshetra University
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Whitepapers
Simulation and Analysis of DSDV Protocol in MANETs
Dec 2009
With the advancements in computers and wireless communication technologies, Mobile Ad hoc NETworks (MANET) is expected to see increasingly widespread use and application. A MANET is an autonomous...
Provided by Kurukshetra University
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Case Studies
Capital & Coast District Health Board: Healthcare Agency Migrates From SAP to Microsoft and HP, Cuts BI Costs in Half
Jun 2012
Capital & Coast District Health Board (C&C DHB) wanted more affordable and detailed Business Intelligence (BI). To achieve this goal, C&C DHB replaced its previous BI solution with a new one based...
Provided by Microsoft
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Case Studies
KBC Wireless Mesh Protects City Apartments
Jul 2011
San Francisco is notorious for dramatic temperature swings and a highly-corrsoive coastal climate. A surveillance system featuring 10 wireless cameras and 8 KBC mesh nodes was quickly put in...
Provided by KBC Networks
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Case Studies
Client - WirelessWERX Mobile Resource Management
Dec 2010
Anaheim, California-based WirelessWERX has a long history of developing end-to-end solutions for the deployment of mobile resource management and tracking systems. Their challenge is to Help...
Provided by Lantronix
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Case Studies
A Wireless Connection to Reduce Large Vehicle Fleet Maintenance Cost
Jun 2007
Williams-Pyro was founded in 1963 and produces more than 200 unique, products, including the StoveTop FireStop. Their challenges are to create a wireless vehicle status and driver performance...
Provided by Lantronix
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White Papers
How to Choose an SMS Provider
Jun 2009
In a world where communication methods are changing at an ever-growing pace, SMS has proven a fast and reliable way to deliver information to anyone anywhere for fifteen years. In the last few...
Provided by TynTec
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Case Studies
Case Study: D-Link Brings Affordable, Single Network Wi-Fi Solution to Redeemer University College for Enhanced Internet Access and Reliability
Jun 2009
Redeemer University College is an undergraduate Christian liberal arts and science university committed to academic excellence. Redeemer University College was being hindered by its spotty,...
Provided by D-Link
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White Papers
Lowering 3G Bills and Increasing Availability With Wi-Fi: Why Hotspots Make Sense for Smartphone Users
May 2009
Smartphones and other Web-friendly mobile devices are taking enterprise IT departments by storm, and are often brought into the workplace as employees' personal devices. While analyst firms IDC...
Provided by iPass
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Case Studies
Mobile Device Uses Images to Help Children With Autism Interact
Mar 2009
Autism spectrum disorder, which affects more than 500,000 U.S. children and millions more worldwide, can make verbal communication a challenge. With support from Microsoft External Research, two...
Provided by Microsoft
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Case Studies
Physicians Save Time, Receive Data Faster, and Improve Communication With Smartphones
Jul 2009
Nazounki Global Medical Network helps patients lacking proper medical care in their own countries to receive treatment. Physicians in Europe needed quick access to patient medical image files from...
Provided by Microsoft
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White Papers
Understanding Spectrum Intelligence
Jun 2008
While many bands of the Radio Frequency (RF) spectrum have a dedicated purpose, Wi-Fi operates in an unlicensed band of RF spectrum carved out by the Federal Communications Commission (FCC), with...
Provided by Cisco Systems
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White Papers
T-Mobile International and Nortel Long Term Evolution Trial
Oct 2008
The objective of this paper is to provide a basic overview of the Long Term Evolution (LTE) trial system operating in Bonn, Germany through cooperation between T-Mobile International and Nortel....
Provided by Nortel Networks
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White Papers
Redefining Mobile Applications: Mobility Services and the Unified Network
May 2008
It was perhaps only a matter of time, and regardless a very natural evolution, for the fundamental concepts embodied in mobile middleware to move into the network in the form of an appliance. But...
Provided by Farpoint Group
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White Papers
The Case for an Untethered Enterprise
Jun 2008
While once considered a luxury, Wi-Fi connectivity is now an integral part of the modern enterprise. To that end, most corporate IT administrators are expected to deploy wireless LANs. Until...
Provided by Motorola
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White Papers
Improving Impatient Medical Care With Intel's Mobile Clinical Assistant Reference Design
Oct 2008
Gregorio Maranon University General Hospital (HGUGM), a pioneer in mobile healthcare platforms, has developed and implemented a Mobile Point of Care (MPoC) solution in its Cardiology Unit. This...
Provided by Intel
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White Papers
Selecting the Wearable That Will Deliver Maximum Value in Your Enterprise Environment
Dec 2008
The use of wearable computers continues to rise in enterprise applications, as the technology has evolved from an interesting concept to a deployable application with tangible business benefits....
Provided by Motorola
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White Papers
TDMA Technology: Bringing Increased Capacity and Functionality to Professional Digital Two-Way Radio
Jan 2009
Licensed, professional two-way radio is on the verge of making the biggest leap forward since the invention of the transistor - the move from analog to digital. Digital radio offers many...
Provided by Motorola
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White Papers
Maximizing the Value of Legacy Applications With Mobility and Best-in-Class Terminal Emulation (TE)
Mar 2008
Frequently, some of the first applications that an enterprise needs to mobilize are legacy applications - host-based applications that enable many everyday critical business functions. Terminal...
Provided by Motorola
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White Papers
Mobile Unit Power Plus: Maximizing the Battery Life of Your Mobile Units Through the WLAN Switch
Mar 2008
Power Plus - This is a unique feature of Motorola wireless mobile devices that allows the mobile devices to automatically adjust its output power based upon the power settings of the associated...
Provided by Motorola
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White Papers
Motorola Reach - Increasing Voice Capacity in GSM Networks
Nov 2008
Motorola is committed to providing service providers with the capabilities that they need to stay competitive through the development of technologies to support high capacity, cost effective...
Provided by Motorola
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Whitepapers
Broadcast Secrecy Via Key-Chain Based Encryption in Single-Hop Wireless Sensor Networks
Aug 2010
Broadcast is used in wireless sensor networks for operations such as software updates, network queries, and command dissemination. Though authentication of broadcast messages is probably the most...
Provided by EURASIP
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Whitepapers
Experiments in Adaptive Power Control for Truly Wearable Biomedical Sensor Devices
Aug 2009
Emerging body-wearable devices for continuous health monitoring are severely energy constrained and yet required to offer high communication reliability under fluctuating channel conditions. Such...
Provided by University of New South Wales
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Whitepapers
Transmission Power Control in Body Area Sensor Networks for Healthcare Monitoring
Sep 2008
This paper investigates the opportunities and challenges in the use of dynamic radio transmit power control for prolonging the lifetime of body-wearable sensor devices used in continuous health...
Provided by University of New South Wales
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Whitepapers
Complete Life-Cycle Assessment of the Energy/CO2 Costs of Videoconferencing Vs Face-to-Face Meetings
Apr 2012
While video conferencing is often viewed as a greener alternative to physically travelling for face-to-face meetings, it has its own energy and carbon dioxide costs. In this paper, the authors...
Provided by University of New South Wales
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Whitepapers
Decorrelating Secret Bit Extraction Via Channel Hopping in Body Area Networks
Jun 2012
Recent research has demonstrated that two communicating parties can generate shared secret keys by exploiting characteristics of the wireless fading channel between them. These channel...
Provided by University of New South Wales
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Whitepapers
Authentication of Lossy Data in Body-Sensor Networks for Healthcare Monitoring
Apr 2012
Growing pressures on healthcare costs are spurring development of lightweight body-worn sensors for real-time and continuous physiological monitoring. Data from these sensors is streamed...
Provided by University of New South Wales
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Whitepapers
Zero Reconciliation Secret Key Generation for Body-Worn Health Monitoring Devices
Apr 2012
Wearable wireless sensor devices are key components in the emerging technology of personalized healthcare monitoring. Medical data collected by these devices must be secured, especially on the...
Provided by Association for Computing Machinery
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Whitepapers
On the Energy-Efficiency of a Packet-Level FEC Based Bufferless Core Optical Network
Oct 2011
The authors proposed packet-level Forward Error Correction (FEC) as a promising technique for enabling buffer-less core optical networks. In this paper, they systematically analyze its...
Provided by University of New South Wales
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Whitepapers
Improving Secret Key Generation Performance for On-Body Devices
Nov 2011
In this paper, the authors undertake experiments to assess the feasibility of generating common secret keys between two body-worn devices using the near-body channel. Deriving secret keys using...
Provided by Association for Computing Machinery
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Whitepapers
Call Admission Control, Packet Level QOS in 4G Broad Band Wireless Access System With CDMA
Jul 2012
Consider the problem of scheduling data in the down link of a cellular network over parallel time-varying channels, while providing Quality of Service (QoS) guarantees to multiple users in the...
Provided by IJCER
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Whitepapers
Wireless Sensor Networks' Emergence and Growth-A Survey
Jul 2012
The recent advances in cost-effective, power managed wireless communication coupled with ad-hoc networking and routing optimization, have made "Wireless sensor networks" a hot topic. Wireless...
Provided by IJCER
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Whitepapers
Energy-Efficient Node Selection in Multihop Wirelessntworks
Jul 2012
In a single-hop network with multiple relays, selecting a single node to aid in the transmission between a source and a destination outperforms both traditional orthogonal transmissions and...
Provided by IJCER
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Whitepapers
Performance Metrics of MANET in Multi-Hop Wireless Ad-Hoc Network Routing Protocols
Jul 2012
MANET is a wireless network that transmits from computer to computer. Instead of using a central base station (access point) to which all computers must communicate, this peer-to-peer mode of...
Provided by IJCER
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Whitepapers
Reconfiguration of Wireless Sensor Node in FPGA
Jul 2012
Sensor networks are usually deployed in dynamic environments where each node must adapt itself to changes. The objective of this paper is to design reconfigurable wireless sensor node in FPGA. The...
Provided by IJCER
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Whitepapers
Multi-Input Multi-Output Fading Channel Equalization With Constellation Selection and Space-Time Precoders
Sep 2011
The authors consider multiplexing systems in correlated Multiple-Input Multiple-Output (MIMO) fading channels with equal power allocated to each transmit antenna. Under several constraints, the...
Provided by ACCENTS
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Whitepapers
An Approach Based on MIMO and PN Sequence Coding for Reduction of Peak to Average Power Ratio (PAPR) in Clipped OFDM
Sep 2011
High Peak to Average Power Ratio (PAPR) is a very serious drawback in Orthogonal Frequency Division Multiplexing (OFDM). Multiple transmit and receive antennas can be used to form Multiple-Input...
Provided by ACCENTS
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Whitepapers
Dynamic Dropped Packet Regulation of Contention Window for Enhancement of IEEE-802.11e
Sep 2011
In this paper, the authors present a new scheme which is mend to increase the efficacy of the present EDCA, and also make EDCA more robust in a high noise environment, where high packet loss is...
Provided by ACCENTS
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Whitepapers
An Analytical Approach for Efficient OFDM Modulator and Demodulator Communication Systems Based on Discrete Hartley Transform
Sep 2011
The main drawback of OFDM is its high Peak to Average Power Ratio (PAPR). High PAPR of OFDM makes it unusable in non-linear systems. So the clipping signals scheme is one useful and simple method...
Provided by ACCENTS
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Whitepapers
Comprehensive Analysis With KVM Techniques and Implementation of Object Pool Based on J2ME RMS
Sep 2011
J2ME services play an important role in the field of Communication industry. In this paper, the authors discuss and analyze the consumptive behavior based on object pool with RMS capabilities....
Provided by ACCENTS
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Whitepapers
Wireless Sensor Network and Emergency Communication System for Fire Safety
Dec 2012
In this paper, the authors present the development of existing industrial system with the new system module used in emergency communication for fire safety. GSM SIM-300, PIC and ZigBee protocol...
Provided by ACCENTS
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Whitepapers
Removal of Cyclic Prefix in Adaptive Non-Contiguous OFDM for Dynamic Spectrum Access Using DWT and WT
Sep 2012
Spectrum has valuable resource in wireless communication. In wireless communication some spectrum is waste due to uses of Cyclic Prefix (cp) in FFT multicarrier sampling. In place of FFT used DFT...
Provided by ACCENTS
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Whitepapers
SVD Detection for Cognitive Radio Network Based on Average of Maximum-Minimum of the ICDF
Sep 2012
Spectrum sensing in Cognitive Radio (CR) has been a very important function to enable the state of the art technology in revolutionizing spectrum efficient utilization. SVD stands for Singular...
Provided by ACCENTS
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Whitepapers
Reduction of Co-Channel Interference in Transmit/Receive Diversity (TRD) in MIMO System
Sep 2012
In this paper, the authors proposed a novel technique for co-channel interference reduction for Multiple-Input/Multiple-Output systems for channel fading with different diversity scheme. Their...
Provided by ACCENTS
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Whitepapers
Studies on IPTV Over IMS Test Bed
Sep 2012
IMS (IP Multimedia Subsystem) is an architectural frame work which allows the convergence of wireless, wire line networks and internet thereby serving the use of a global platform for the delivery...
Provided by ACCENTS
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Whitepapers
Improving Performance of Wi-Fi by Compact MIMO Systems by Using Gama Frequency-Selective Fading Channels
Dec 2011
In this paper, the authors propose a compact MIMO system in frequency-selective fading channels which improves the performance of wireless media. A MIMO beam forming system model with mutual...
Provided by ACCENTS
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Whitepapers
A Wireless Sensor Network in Vibration Monitoring of Equipments
Dec 2011
This paper is to improve monitoring performance of rotating equipments with the help of sensor networks. The authors focus on high accurate methods of vibration and displacement measurements...
Provided by ACCENTS
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Whitepapers
Generation of Multiresonator Based RFID System With Accurate Attenuation and Fill Until Complete Mechanism (AAFCM)
Dec 2011
Band pass filters are important components for RF/microwave systems providing a low insertion loss within the pass band and a large attenuation in the stop band. Recently; broadband band pass...
Provided by ACCENTS
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Whitepapers
Recent Research and Comparison of QoS Routing Algorithms for MPLS Networks
Mar 2012
MPLS enables service providers to meet challenges brought about by explosive growth and provides the opportunity for differentiated services without necessitating the sacrifice of the existing...
Provided by ACCENTS
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Whitepapers
Authentication of Primary User in Cognitive Radio
Mar 2012
Cognitive Radio (CR) or soft ware defined radio is a new concept for maximizing the utilization of the radio spectrum. The CR can sense the unused frequency spectrum at any time from the wide...
Provided by ACCENTS
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Whitepapers
Performance Improvement of TCP by TCP Reno and SACK Acknowledgement
Mar 2012
Transmission Control Protocol (TCP) is the dominating end-to-end transport layer protocol which provides secure and reliable data transfer together with some other protocols. In this review paper,...
Provided by ACCENTS
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Whitepapers
Examining of Blocking Probability Computation in Optical Network
Mar 2012
In this paper, the authors examine analytical techniques; blocking probability is the statistical probability that a connection cannot be established due to insufficient transmission. Resources in...
Provided by ACCENTS
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Whitepapers
A Reducing Data Traffic and Enhancing Data Availability to Deliver Packet in Mobile Ad-Hoc Network
Mar 2012
Ad hoc networks are self forming, auto configuring without any kind of pre-existing infrastructure. With the dearth of pre-defined topology there is no router or controlling device. Two mobile...
Provided by ACCENTS
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Whitepapers
Linear PWM Strategy for SMPS
Apr 2013
A switched-mode power supply (Switching-Mode Power Supply or SMPS) is an electronic Power supply incorporates a switching regulator in order to be highly efficient in the conversion of electrical...
Provided by International Scientific Research Organization for Science, Engineering and Technology
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Whitepapers
A Comparison Study for PSD Performance in OFDM Systems Based on Using Autocorrelation Techniques
Apr 2013
Cooperative wireless communication relay networks in OFDM-based systems have been shown to improve performance in various systems using digital modulation techniques as a form of spatial...
Provided by International Scientific Research Organization for Science, Engineering and Technology
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Whitepapers
Crossbar Switch for Network Processor Application
Apr 2013
A network processor is an integrated circuit, with a feature set designed to tackle the needs of the networking application domain. Typically NPs are software programmable and have generic...
Provided by International Scientific Research Organization for Science, Engineering and Technology
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Whitepapers
Client Server Network Management System for WLAN (Wi-Fi) With Remote Monitoring
Apr 2013
Network management Systems have played a great important role in information systems. There are different network management systems such as remote monitoring, desktop sharing, bandwidth...
Provided by International Scientific Research Organization for Science, Engineering and Technology
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Whitepapers
Adaptive Load Balancing in DSR
Apr 2013
A mobile ad hoc network is a collection of wireless mobile hosts forming a temporary network without the aid of any centralized administration or standard support services regularly available in...
Provided by International Scientific Research Organization for Science, Engineering and Technology
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Whitepapers
Design & Analysis of Micro Strip Patch Antenna
Apr 2013
Micro strip antenna is most common small sized antenna in which a metal patch is deposited on dielectric material. Micro strip patch antennas have been an attractive choice in mobile and radio...
Provided by International Scientific Research Organization for Science, Engineering and Technology
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Whitepapers
Strategic Analysis of Trust Models for User-Centric Networks
Feb 2013
The authors present a strategic analysis of a trust model that has recently been proposed for promoting cooperative behaviour in user-centric networks. The mechanism for cooperation is based on a...
Provided by Creative Commons
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Whitepapers
Energy-Aware On-Demand Routing for Mobile Ad Hoc Networks
Jan 2013
On demand routing protocols for ad hoc networks discover and maintain routes on a reactive, "As-needed" basis. These protocols are attractive for their low routing overheads. The authors develop a...
Provided by OPNET Technologies
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Whitepapers
Minimum Spanning Tree Based Routing Strategy for Homogeneous WSN
Aug 2011
A Wireless Sensor Network (WSN) is composed of sensor nodes spread over the field to sense the data. The sensed data must be gathered & transmitted to Base Station (BS) for end user queries. The...
Provided by Cornell University
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Whitepapers
Location-Based Social Network
Jul 2012
Location-based mobile social networks are becoming increasingly popular as one can find almost each and every person on these Online Social Networks (OSNs), such as Facebook and recent emergence...
Provided by International Journal of Scientific & Technology Research
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Whitepapers
Design of Open Shortest Path First Protocol - A Link State Protocol Using Opnet Modular
Dec 2012
Open Shortest Path First (OSPF) is an Interior Gateway Routing Protocol, based on Shortest Path First (SPF) or link-state technology. Open Shortest Path First (OSPF) is a link state routing...
Provided by Creative Commons
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Whitepapers
Generating SMS (Short Message Service) in the Form of Quick Response Code (QR-Code)
Dec 2012
This paper shows how a QR-code can be generated from a simple SMS. The authors can see lot of QR-codes or mobile barcodes around them on websites, books, gadgets, T-shirts, etc. which are making...
Provided by Creative Commons
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Whitepapers
Mobile Phone Controlling PC-A Review
Dec 2012
As all are familiar with both mobile phones and computers like home PC, laptops etc. and also all are having mobile phones with high or low prices. The authors know that a computer can be...
Provided by Creative Commons
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Whitepapers
Modeling, Evaluation and Analysis of Ring Topology for Computer Applications Using Simulation
Jan 2013
A computer network, or simply a network, is a collection of computers and other hardware interconnected by communication channels that allow sharing of resources and information. In this paper,...
Provided by Creative Commons
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Whitepapers
Optimal Node Selection Using Broadcasting Algorithm in Mobile Adhoc Network
May 2013
In optimal node selection using broadcasting algorithm in mobile ad hoc network it finds the nearest optimal node for forwarding messages and the consequent optimal node for receiving and...
Provided by Creative Commons
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Whitepapers
Effective Identification of the Intruders and Modifiers in Wireless Sensor Networks
May 2013
Packet dropping and modification are common attacks that can be launched by an adversary to disrupt communication in wireless multi-hop sensor networks. Many schemes have been proposed to mitigate...
Provided by Creative Commons
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Whitepapers
A Novel Approach of Energy Optimization in WSN
May 2013
The wireless link can be unreliable in realistic Wireless Sensor Networks (WSNs). Energy efficient and reliable data forwarding is important because each node has limited resources. Therefore, the...
Provided by Creative Commons
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Whitepapers
Adaptive Modulation for MIMO Systems With Channel Prediction Errors
Aug 2010
The performance of Multiple-Input Multiple-Output (MIMO) systems using spatial multiplexing is analyzed under channel prediction errors. The authors derive exact closed-form expressions for the...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Generalizing Capacity: New Definitions and Capacity Theorems for Composite Channels
Jul 2010
The authors consider three capacity definitions for composite channels with channel side information at the receiver. A composite channel consists of a collection of different channels with a...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
The Capacity Region of the Degraded Finite-State Broadcast Channel
Dec 2009
The authors introduce and study the discrete, Finite-State Broadcast Channel (FSBC) with memory. For this class of channels they define physical degradedness and stochastic degradedness, and...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Capacity Regions and Bounds for a Class of Z-Interference Channels
Nov 2009
The authors define a class of Z-interference channels for which they obtain a new upper bound on the capacity region. The bound exploits a technique first introduced by Korner and Marton. A...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Source and Channel Coding for Correlated Sources Over Multiuser Channels
Jul 2010
Source and channel coding over multiuser channels in which receivers have access to correlated source side information are considered. For several multiuser channel models necessary and sufficient...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Compound Multiple-Access Channels With Partial Cooperation
Jun 2009
A two-user discrete memoryless compound Multiple-Access Channel (MAC) with a common message and conferencing decoders is considered. The capacity region is characterized in the special cases of...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Fuzzy Based Buffer Management in Wireless Multimedia Networks
Sep 2010
This paper presents a fuzzy based buffer management scheme that performs buffer allocation and packet dropping for wireless multimedia networks in the context of future generation cellular...
Provided by Gogte Institute of Technology
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Whitepapers
OpenRadio: A Programmable Wireless Dataplane
Jul 2012
The authors present OpenRadio, a novel design for a programmable wireless dataplane that provides modular and declarative programming interfaces across the entire wireless stack. Their key...
Provided by Association for Computing Machinery
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Whitepapers
Handling the M in MANet: An Algorithm to Identify Stable Groups of Peers Using Crosslayering Information
Aug 2012
This paper proposes an algorithm to identify groups of users connected to a mobile ad hoc network that remain stable over time. Several similar algorithms have been proposed to manage mobility...
Provided by Institut Telecom
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Whitepapers
Characterizing Data Usage Patterns in a Large Cellular Network
Aug 2012
Using heterogeneous data sources collected from one of the largest 3G cellular networks in the US over three months, in this paper, the authors investigate the usage patterns of mobile data users....
Provided by Association for Computing Machinery
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Whitepapers
Making Use of All the Networks Around Us: A Case Study in Android
Aug 2012
Poor connectivity is common when the authors use wireless networks on the go. A natural way to tackle the problem is to take advantage of the multiple network interfaces on their mobile devices,...
Provided by Association for Computing Machinery
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Whitepapers
Casting Doubts on the Viability of WiFi Offloading
Jul 2012
With the advent of the Smartphone, mobile data usage has exploded which in turn has created tremendous pressure on cellular data networks. A promising candidate to reduce the impact of cellular...
Provided by Association for Computing Machinery
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Whitepapers
A Novel Approach of Simulation Tools for Mobile Ad-Hoc Networks
Jun 2012
Simulation is used to measure the behavior and performance of protocols for wired/wireless networks, it is economical because it can carry out experiments without the actual hardware and provides...
Provided by Kurukshetra University
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Whitepapers
Implementation of Digital Watermarking Using VHDL
Jun 2012
Orthogonal Frequency Division Multiplexing (OFDM) signals have a generic problem of high Peak to Average Power Ratio (PAPR) which is defined as the ratio of the peak power to the average power of...
Provided by Kurukshetra University
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Whitepapers
Optimizing Energy Consumption of Wireless Sensor Network Based on Hop Distance
Jun 2012
In wireless communication, the average received power decreases logarithmically with distance. The main factor responsible for this is path loss, which represents signal attenuation as a positive...
Provided by Kurukshetra University
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Whitepapers
A Novel Approach for Congestion Control in Healthcare Wireless Sensor Networks
Jun 2012
Wireless Sensor Networks (WSNs) consist of numerous sensor nodes which are spatially distributed having the capability to monitor physical and environmental conditions at different locations. WSNs...
Provided by Kurukshetra University
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Whitepapers
A Compact Microstrip Antenna for WiMAX Applications
Jun 2012
In wireless communication, there are several types of microstrip antennas; the most common is microstrip patch antenna. In this paper, the authors present a new design of a compact, lightweight,...
Provided by Kurukshetra University
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Whitepapers
Design and Implementation of Adaptive Public Transport System With Low Cost Wireless Link and Specialized Protocol
Jun 2012
This paper is about research to provide the solution for optimization of use of public transport, better services to users and various options to management to improve transport system with cost...
Provided by Kurukshetra University
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Whitepapers
Comparative Analysis of Reactive Routing Protocols for MANET at Different Traffic Load and Mobility
Jun 2012
No infrastructure, no centralized administration and self-configuration are the main characteristics of MANETs. The primary motivation of MANET deployment is to increase portability, mobility and...
Provided by Kurukshetra University
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Whitepapers
Review of Proactive Protocols for Wireless Adhoc Networks
Jun 2012
Different types of wireless adhoc networks can be designed by the number of nodes participating in the network, the mobility pattern of nodes, the traffic demands of nodes etc. Different types of...
Provided by Kurukshetra University
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Whitepapers
Design and Analysis of Micro Strip Antenna Using HFSS Software
Jun 2012
A microstrip antenna consists of conducting patch on a ground plane separated by dielectric substrate. This concept was undeveloped until the revolution in electronic circuit miniaturization and...
Provided by Kurukshetra University
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Whitepapers
Stacked Three Layer Rectangular Microstrip Patch Antenna for Ultra Wide Band Applications
Jun 2012
Microstrip patch antennas are well suited for low volume profile, light weight and easily integration. These antennas are generally useful for mobile communications, wireless communications...
Provided by Kurukshetra University
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Whitepapers
Energy Efficient Scheduling in Cross Layer Optimized Clustered Wireless Sensor Networks
Jun 2012
In this paper, the authors present an energy efficient scheduling algorithm for clustered wireless sensor networks. The main objective is to provide optimized Time Division Multiple Access (TDMA)...
Provided by Kurukshetra University
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Whitepapers
Performance Review of Reactive Protocols Used in Wireless Adhoc Networks
Jun 2012
Different types of wireless adhoc networks can be designed by the number of nodes participating in the network, the mobility pattern of nodes, the traffic demands of nodes, etc. Generally, there...
Provided by Kurukshetra University
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Whitepapers
Performance Analysis of Reactive Routing Protocols in Chain Mobility Models
Jun 2012
Mobility models are the foundation of the simulation study of various protocols in mobile adhoc networks. The comparative performance of dynamic source routing and adhoc on-demand distance vector...
Provided by Kurukshetra University
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Whitepapers
Selective Flooding Based Improved AODV Routing Protocol in MANETs: Analysis & Implementation
Jun 2012
A Mobile Adhoc NETwork (MANET) is a self-configuring network that can have an arbitrary topology along the time. Each mobile host works as a router and it is free to move randomly and connect to...
Provided by Kurukshetra University
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Whitepapers
Power Management in Mobile Devices by Various Protocols
Dec 2011
Mobile devices are battery powered device. But battery is a limited source of energy depend upon their shape. In this paper various protocols and different power management techniques aiming to...
Provided by Kurukshetra University
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Whitepapers
Power Saving Strategies in Wireless Sensor Networks
Jun 2011
IEEE 802.16e is an emerging standard for mobile wireless broadband access systems. In any mobile networks, power saving is one of the most important features for the extension of devices'...
Provided by Kurukshetra University
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Whitepapers
New Scheme of Adaptive Zone Routing Protocol
Dec 2010
This paper proposed a routing protocol named adaptive Zone Routing Protocol (NSAZRP) that is more stable and has achieved better routing performance than ZRP in Mobile Ad-hoc Networks by taking...
Provided by Kurukshetra University
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Whitepapers
3G Networking
Dec 2010
3G is the third generation of tele standards and technology for mobile networking, superseding 2.5G. It is based on the International Telecommunication Union (ITU) family of standards under the...
Provided by Kurukshetra University
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Whitepapers
Improved Data Cache Scheme Using Distributed Spanning Tree in Mobile Adhoc Network
Dec 2010
Mobile Ad hoc NETwork (MANET) is an autonomous collection of mobile nodes that communicate over relatively bandwidth constrained wireless links. The frequent mobility of nodes causes topology...
Provided by Kurukshetra University
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Whitepapers
Mitigation of Non- Linear Impairments of W-CDMA Power Amplifier
Dec 2010
In this paper a non-linear Power Amplifier (PA) with memory effects is modeled and a Digital pre-distortion algorithm is presented to mitigate non-linearity effects of a power amplifier. Look-Up...
Provided by Kurukshetra University
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Whitepapers
Estimation Diversity and Energy Efficiency in Distributed Sensing
Sep 2007
Distributed estimation based on measurements from multiple wireless sensors is investigated. It is assumed that a group of sensors observe the same quantity in independent additive observation...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Multi-Antenna Broadcast Channels With Limited Feedback and User Selection
Jun 2008
The authors analyze the sum-rate performance of a multi-antenna downlink system carrying more users than transmit antennas, with partial channel knowledge at the transmitter due to finite rate...
Provided by Stanford University
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Whitepapers
Channel Capacity Under General Nonuniform Sampling
May 2012
This paper develops the fundamental capacity limits of a sampled analog channel under a sub-Nyquist sampling rate constraint. In particular, the authors derive the capacity of sampled analog...
Provided by Stanford University
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Whitepapers
Achievable Error Exponents in the Gaussian Channel With Rate-Limited Feedback
Mar 2012
The authors investigate the achievable error probability in communication over an AWGN discrete time memoryless channel with noiseless delay-less rate-limited feedback. For the case where the...
Provided by Stanford University
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Whitepapers
Reduced-Dimension Multiuser Detection
Oct 2011
The authors present a Reduced-Dimension MultiUser Detector (RD-MUD) structure that significantly decreases the number of required correlation branches at the receiver front-end, while still...
Provided by Stanford University
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Whitepapers
Networked Markov Decision Processes With Delays
Oct 2009
The authors consider a networked control system, where each subsystem evolves as a Markov Decision Process (MDP). Each subsystem is coupled to its neighbors via communication links over which the...
Provided by Stanford University
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Whitepapers
Shannon Meets Nyquist: Capacity Limits of Sampled Analog Channels
Apr 2012
The authors explore two fundamental questions at the intersection of sampling theory and information theory: how is channel capacity affected by sampling below the channel's Nyquist rate, and what...
Provided by Stanford University
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Case Studies
Solution Based on Windows Mobile Helps Film Exhibitors Stay Organized and Responsive
Jul 2009
At the annual American Film Market (AFM), buyers from more than 70 countries attend nearly a thousand screenings. Exhibitors need to follow up on opportunities as quickly as possible, so AFM...
Provided by Microsoft
