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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
Performance Analysis of Guaranteed Packet Transfer in Coverage Area and Less Coverage Area for MANET
Jun 2010
The main challenge in mobile adhoc network is guaranteed transfer of packet within coverage area and less coverage area. The hierarchical clustering is used to increase coverage area to reduce the...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Performance Enhancement of MC-CDMA System Through STTC Based STBC Site Diversity
Jun 2010
The combination of multiple antennas and Multi-Carrier Code Division Multiple Access (MC-CDMA) is a strong candidate for the downlink of future mobile communications. The study of such systems, in...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Hybrid Routing Protocol
Mar 2012
An Ad Hoc network is a collection of wireless mobile nodes dynamically forming a temporary network without the use of any existing network infrastructure or centralized administration. Nodes in...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Energy Conservation Techniques and Application for Wireless Sensor Networks
Mar 2012
This paper is to address the problem of energy conservation in wireless sensor networks. Since, wireless sensor networks typically consist of tiny sensors with a scarce energy resource, energy...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Performance Analysis of Open Loop and Closed Loop Power Control Schemes for LTE Uplink
Mar 2012
In multi user environment number of users share the same radio resources. A consequence of the limited availability of radio channels in the network is that the same channel has to be assigned to...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Securing On-Demand MANET Routing Protocols Using IOMT
Mar 2012
Securing any MANET routing protocol requires measures to ensure that routing information advertised by a node is consistent with routing information assimilated by a node. MANET nodes accumulate...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
A Strategic Approach for Bypassing the Intruder and Sending Data to Destination Using Three - Tier Framework in Sensor Networks
Mar 2012
In sensor networks, an intruder (i.e., compromised node) identified and isolated in one place can be relocated and/or duplicated to other places to continue attacks; hence, detection and isolation...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Mobile Ad-Hoc Wireless Network
Apr 2012
An ad hoc mobile network is a collection of mobile nodes that are dynamically and arbitrarily located in such a manner that the interconnections between nodes are capable of changing on a...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Simulation Result of Hybrid Routing Protocol for Mobile Ad Hoc Network
Jan 2012
MaNet has emerged as one of the most focused and thrust research areas in the field of wireless networks and mobile computing. In ad hoc mobile networks, routes are mainly multi hop because of the...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Latest Trends in Wireless Mobile Communication (3G to 4G Technologies)
Feb 2012
Consumers demand more from their technology. Whether it is a television, cellular phone, or refrigerator, the latest technology purchase must have new features. With the advent of the Internet,...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Microstrip Rectangular Patch Antenna : Computer Aided Design Methology
Jan 2012
Antenna is a means for radiating or receiving radio waves. In addition to receiving or transmitting energy, an antenna in an advanced wireless system is usually required to optimize the radiation...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Enhanced Dynamical Hierarchical Mobile Internet Protocol for Mobile IP Networks
Jan 2012
In the wireless networks proficient Mobility management is a vital concern that supports mobile users. Multicast Hierarchical Mobile Internet protocol (MHMIP) is a commonly accepted standard to...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Enterprise Mobile Apps: Empower Your Business Functions
Mar 2012
As enterprise mobility becomes ubiquitous, organizations are moving beyond plucking the low lying fruits of mobile technology e.g. mail, messenger, contacts and calendar etc., and are taking the...
Provided by XCUBELABS
-
White Papers
Effect of Energy and Bandwidth Constraints in Ad Hoc Networks: A Review
Jan 2011
In this paper, the authors review the efficiency of wireless ad hoc networks. The wireless networks efficiency deals with the bandwidth and the energy efficiency of the networks that depends upon...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Estimation Methods for Microarray Data With Missing Values: A Review
Mar 2011
DNA microarrays have gained widespread uses in biological studies such as cancer classification, cancer prognosis and identifications of cell cycle-regulated genes of yeast because of their large...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
A Dynamic Fault Tolerant Routing Protocol for Prolonging the Lifetime of Wireless Sensor Networks
Mar 2011
Wireless Sensor Networks (WSNs) are being extensively used for various applications. WSNs consist of a large number of small nodes with sensing, computation, and wireless communication...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Performance Evaluation of UMTS-WLAN Interworking
Mar 2011
The main methods used to implement WLAN-3G inter working are: the mobile IP methods, the emulator method, and the gateway method. Each one of these methods enjoys some pros and suffers from some...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
A Performance Comparison of FBMC Modulation Schemes With Short Perfect Reconstruction Filters
Apr 2012
In this paper, the authors study the performance of Filter Bank based Multi-Carrier (FBMC) transmission systems over doubly-dispersive channels. FBMC generalizes traditional Orthogonal...
Provided by CNRS
-
White Papers
Integrating Renewable Energy Using Data Analytics Systems: Challenges and Opportunities
Mar 2011
The variable and intermittent nature of many renewable energy sources makes integrating them into the electric grid challenging and limits their penetration. The current grid requires expensive,...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Emitter Localization Given Time Delay and Frequency Shift Measurements
May 2011
Given time and frequency differences of arrival measurements, the authors estimate the position and velocity of an emitter by jointly eliminating non-linear nuisance parameters with an orthogonal...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Mobile Sensemaking: Exploring Proximity and Mobile Applications in the Classroom
Oct 2007
The authors propose mobile sense-making as a collaborative mechanism to explore and understand information in highly mobile and fluid situations, where people engage in multiple parallel, rapid...
Provided by University of Chile
-
White Papers
Bluetooth Hotspot: Extending the Communication Range Between Bluetooth Devices
Mar 2011
Bluetooth is a wireless radio specification designed to replace the cables as the medium for data and voices signals between electronic devices. Bluetooth's design sets a high priority on small...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
A Novel Algorithm for Co-Synthesis of Wireless Client-Server Systems Using Preference Vectors
Mar 2011
Embedded systems are used all over the society. Current estimates indicate that over 90 percent of worldwide computers are embedded systems. As the complexity of system design increases, use of...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Application of Sensor Component in Wireless Network's for Signal Processing With Geographical Information
Apr 2011
Sensor are the electronic component deployed at the specific area, for collecting the information about that area. That information consist of geographical information, weather, information,...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Tank Water Level Monitoring System Using GSM Network
May 2011
Unexpected shortage of water supply is common phenomena especially in dense population such as in hostels. Water supply at the students' hostels is usually drawn from tank at the roof top of the...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Study of Traditional Upstream Congestion Control Algorithm With Various Metrics in Realistic WSN Scenarios
Nov 2011
Wireless Sensor Networks (WSNs) utilize huge amount of wireless sensor nodes to gather information from their sensing terrain. The gathered information will undergo in-network process and send to...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Active Queue Management for Flow Congestion Control in Wireless Network
Nov 2011
The queue management are flow fairness and queue-length stability However, most prior works dealt with these goals independently. This paper presents two recommendations to the Internet community...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Seamless Handoff in Next Generation Wireless System
Nov 2011
Next Generation Wireless System (NGWS) consists of heterogeneous wireless networks. The heterogeneous wireless network should be always best connected in order to satisfy the seamless...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Node Localization in Wireless Sensor Networks
Nov 2011
Awareness of location is one of the important and critical issue and challenge in wireless sensor network. Knowledge of Location among the participating nodes is one of the crucial requirements in...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Throughput Enhancement by Robust Routing in MANET
Nov 2011
An ad hoc wireless network is highly impacted by the dynamic stochastic process of its underlying links which leads to link breaks during data transaction. Hence, to provide uninterrupted data...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Implementation Study of Hybrid Caching Scheme in Wireless P2P Networks With Asymmetric Cooperative Caching
Dec 2011
As the day to day applications in mobile computing are increasing, different wireless peer-peer networks came into existence. There are several protocols and schemes are implemented to increase...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
A Mobile IPv6-Based Architecture for Mobility of Mobile Terminals in Heterogeneous Networks
Dec 2011
The evaluation toward next-generation wireless networking brought life to the concept of technology and services integration. The success attained by the Internet, on one side, and by cell phone...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Provably Secure Quantum Key Distribution Protocols in 802.11 Wireless Networks
Dec 2011
The fact that wireless networks have become one of the most extensively used communication systems in the world. Though, providing secure communication for wireless networks has become one of the...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Node Localization for Wireless Sensor Networks
Dec 2011
Awareness of location is one of the important and critical issue and challenge in wireless sensor network. Knowledge of Location among the participating nodes is one of the crucial requirements in...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Revocation and Self Healing of Keys in Hierarchical Wireless Sensor Network
Jan 2012
In this paper, the authors have discussed a key distribution scheme with revocation and self healing mechanism. Self healing key distribution scheme enables a group of users to establish a group...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Broadcasting Through UDG in Manets by GPS Assistance
Jan 2012
Adhoc networks are useful in many Application Environments and do not need any infrastructure support. Collaborative computing and communication in smaller areas can be setup by using Adhoc...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
GPS-Free Directional Localization Via Dual Wireless Radios
Aug 2011
Location discovery, especially in mobile environments, has recently become the key component of many applications. Accurate location discovery, particularly in safety critical applications using...
Provided by Izmir University of Economics
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White Papers
On the Complexity of Trilateration With Noisy Range Measurements
Jul 2011
Recent developments, especially in wireless and mobile networks, have enabled the use of location based services in many application areas. Accurate location discovery, however, is still an open...
Provided by Izmir University of Economics
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White Papers
Managing Cohort Movement of Mobile Sensors Via GPS-Free & Compass-Free Node Localization
Nov 2009
A critical problem in mobile ad-hoc wireless sensor networks is each node's awareness of its position relative to the network. This problem is known as localization. In this paper, the authors...
Provided by Polytechnic Institute of New York University
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White Papers
Hovering Information - Self-Organising Information That Finds Its Own Storage
Mar 2008
A piece of Hovering Information is a geo-localized information residing in a highly dynamic environment such as a mobile ad hoc network. This information is attached to a geographical point,...
Provided by University of Geneva
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White Papers
BurstProbe: Debugging Time-Critical Data Delivery in Wireless Sensor Networks
Dec 2010
In this paper the authors present BurstProbe, a new technique to accurately measure link burstiness in a wireless sensor network employed for time-critical data delivery. Measurement relies on...
Provided by Lancaster University
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White Papers
WSN Evaluation in Industrial Environments First Results and Lessons Learned
May 2011
The GINSENG project develops performance-controlled wireless sensor networks that can be used for time-critical applications in hostile environments such as industrial plant automation and...
Provided by Lancaster University
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White Papers
Poster Abstract: A Case Study on Performance Enhancement in WSN Using Contiki OS
Jan 2010
In the present paper the authors present a study considering a variable number of nodes collecting data and sending them to a sink node. This implementation is based on Contiki OS and Rime...
Provided by Universidade Nova de Lisboa
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White Papers
Emergent Behaviour in Collaborative Indoor Localisation: An Example of Self-Organisation in Ubiquitous Sensing Systems
Dec 2010
The authors investigate emergent effects in collaborative indoor localisation as an example of self-organisation in ubiquitous sensing systems. They consider Pedestrian Dead Reckoning (PDR)...
Provided by University of Passau
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White Papers
Real-Life Use of Multi-Device Services
Sep 2007
The authors have conducted interviews with 22 users of three multi-device services, email and two web communities, to explore practices, benefits, and problems with using services both from...
Provided by Swedish Institute of Computer Science
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White Papers
Using Data Compression for Energy-Efficient Reprogramming of Wireless Sensor Networks
Dec 2007
Software used in sensor networks to perform tasks such as sensing, network routing, and operating system services can be subject to changes or replacements during the long lifetimes of many sensor...
Provided by Swedish Institute of Computer Science
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White Papers
HTML5, Hybrid or Native Mobile App Development
Jun 2011
Many organizations taking their first steps to implement a mobile strategy are facing an important decision that will influence the results of this initiative. The process of choosing a...
Provided by WorkLight
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White Papers
HTML5 as the Core Technology of the Mobile Enterprise
Jul 2011
The dispute between HTML-based and native mobile development sometimes seems like a theological conflict rather than a practical one. As mobility continues to rapidly expand into the daily...
Provided by WorkLight
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White Papers
Analysis of Latency in Finite Duty Cycling Wireless Networks
Jul 2007
Sleep-wake scheduling (or duty cycling) of radio transceivers is a well-known technique for achieving energy conservation in wireless ad hoc and sensor networks. While putting nodes to sleep for...
Provided by BBN Technologies
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White Papers
Improving Sensor Network Robustness With Multi-Channel Convergecast
Apr 2008
Most of the existing sensor network deployments are convergecast applications that transmit data from multiple sources to one or more sinks. In this paper, the authors present the design of a...
Provided by Swedish Institute of Computer Science
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White Papers
A Mobile Fitness Companion
Sep 2008
The paper introduces a Mobile Companion prototype, which helps users to plan and keep track of their exercise activities via an interface based mainly on speech input and output. The Mobile...
Provided by University of Tampere
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White Papers
MyP2PWorld: Highly Reproducible Application-Level Emulation of P2P Systems
Nov 2008
In this paper, the authors describe an application-level emulator for P2P systems with a special focus on high reproducibility. They achieve reproduciblity by taking control over the scheduling of...
Provided by Nile University
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White Papers
An Architecture for Adaptive Multimedia Streaming to Mobile Nodes
Jul 2008
The authors describe the ADIMUS architecture which addresses the problem of maintaining the subjective quality of multimedia streaming for a mobile user. In contrast to other works, the entire...
Provided by University of Oslo
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White Papers
Demo Abstract: MSPsim - An Extensible Simulator for MSP430-Equipped Sensor Boards
Dec 2007
Software development for wireless sensor networks is a challenging and time consuming task. The resource limited hardware with limited I/O and debugging abilities combined with the often...
Provided by Swedish Institute of Computer Science
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White Papers
RESTful Wireless Sensor Networks
Oct 2009
Sensor networks have diverse structures and generally employ proprietary protocols to gather useful information about the physical world. This diversity generates problems to interact with these...
Provided by Swedish Institute of Computer Science
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White Papers
Distributed Target Tracking With Directional Binary Sensor Networks
Aug 2009
One of the most common and important applications of wireless sensor networks is target tracking. The authors study it in its most basic form, assuming the binary sensing model in which each...
Provided by Rensselaer Polytechnic Institute
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White Papers
A Participation Incentive Market Mechanism for Allocating Heterogeneous Network Services
Aug 2009
The combinatorial winner selection of the GVA mechanism allocates resources to bidders optimally for a single round of an auction. However, the recurring nature of auction for network resource...
Provided by Rensselaer Polytechnic Institute
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White Papers
Full Connectivity and Percolation in Large Cooperative Wireless Networks
Jul 2009
The authors study how physical layer cooperation impacts the requirements for asymptotic connectivity of large wireless networks. Under a model where receivers in a connected cluster cooperate, as...
Provided by University of Massachusetts
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White Papers
Toward Efficient Quality of Information Estimation in Simultaneous Acoustic Tracking and Classification of Multiple Targets
Jul 2009
An individual sensor's information output is often insufficient for an application, with ambiguities that require refinement or corroboration by fusion with information from other sensors. Fusion...
Provided by U.S. Army Research Laboratory
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White Papers
Enhancing Congestion Control With Adaptive Per-Node Airtime Allocation for Wireless Sensor Networks
Jun 2009
Wireless sensor networks are usually equipped with single radio interfaces where a sensor node can participate in only one transmission at a time. As a result, a node's airtime is "Shared" by...
Provided by Telcordia Technologies
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White Papers
Interference Subtraction With Supplementary Cooperation in Wireless Cooperative Networks
Apr 2009
In wireless networks, the broadcast nature of wireless transmission enables cooperation by sharing the same transmissions with nearby receivers and thus can help improve spatial reuse and boost...
Provided by Lancaster University
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White Papers
Neighbor Discovery in Wireless Networks and the Coupon Collector's Problem
Aug 2009
Neighbor discovery is one of the first steps in the self-organization of a large wireless network. Neighbor discovery algorithms can be classified into two categories, viz. randomized or...
Provided by University of Massachusetts
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White Papers
A Stochastic Geometry Approach to Transmission Capacity in Wireless Cooperative Networks
Aug 2009
The authors use a simple propagation model that only includes distance dependent path-loss and co-channel interferences, where the interference behavior is clearly presented by the stochastic...
Provided by University of Massachusetts
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White Papers
An Initial Approach to Distributed Adaptive Fault-Handling in Networked Systems
Apr 2009
The authors present a distributed adaptive fault-handling algorithm applied in networked systems. The probabilistic approach that they use makes the proposed method capable of adaptively detect...
Provided by Swedish Institute of Computer Science
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White Papers
The Effect of Neighbor Graph Connectivity on Coverage Redundancy in Wireless Sensor Networks
May 2010
Coverage redundancy problem is one of the significant problems in wireless sensor networks. To reduce the energy consumption that arises when the high number of sensors is active, various coverage...
Provided by Rensselaer Polytechnic Institute
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White Papers
Cost Efficient Erasure Coding Based Routing in Delay Tolerant Networks
May 2010
Routing in Delay Tolerant Networks (DTNs) in which most of the nodes are mobile and intermittently connected is a challenging problem because of unpredictable node movements and lack of knowledge...
Provided by Rensselaer Polytechnic Institute
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White Papers
Conditional Shortest Path Routing in Delay Tolerant Networks
Apr 2010
Delay tolerant networks are characterized by the sporadic connectivity between their nodes and therefore the lack of stable end-to-end paths from source to destination. Since the future node...
Provided by Rensselaer Polytechnic Institute
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White Papers
Green Wave: Latency and Capacity-Efficient Sleep Scheduling for Wireless Networks
Dec 2009
Sleep scheduling of wireless transceivers has been established to be critical for the enhancement of operational lifetimes of wireless networks. By carefully designing sleep schedules, this paper...
Provided by University of Cambridge
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White Papers
On the Application of Cooperative Transmission to Wireless Broadcast Channels
Sep 2009
In this paper, the authors study the application of cooperative diversity to wireless broadcast channels, a fundamental building block of wireless communication networks. Several cooperative...
Provided by University of Massachusetts
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White Papers
Wireless Interrupt: Inter-Device Signaling in Next Generation Wireless Networks
Oct 2009
Recent advances in wireless technology have led to the proliferation of wireless devices, ranging from wireless LAN to cellular phones. There has been, and will be, increase in not only the number...
Provided by UC Regents
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White Papers
Morphogenesis in Computer Networks
Mar 2010
Morphogenesis is the process that gives shapes to organisms from an embryonic stage through a sequence of cell divisions. Starting from a simple embryonic cell, the controlled division and...
Provided by University of Cambridge
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White Papers
A Mobile Health and Fitness Companion Demonstrator
Feb 2009
Multimodal conversational spoken dialogues using physical and virtual agents provide a potential interface to motivate and support users in the domain of health and fitness. The paper presents a...
Provided by University of Tampere
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White Papers
Utility-Driven, Energy-Aware In-Network Processing for Mission-Oriented Wireless Sensor Networks
Sep 2010
This paper demonstrates the feasibility and attractiveness of NUM-INP, an extension of the Network Utility Maximization (NUM) framework that considers the integration of In-Network Processing. The...
Provided by Pennsylvania State University
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White Papers
An Ontological Approach to Integrating Task Representations in Sensor Networks
Apr 2010
The sensor tasking problem in sensor networks involves the representation of users' tasks (user-level tasking) in a form which a sensor network needs to perform required operations (sensor-level...
Provided by Cardiff University
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White Papers
Multi-Target Tracking Using Proximity Sensors
Aug 2010
The authors consider the problem of tracking multiple moving targets in a continuous field using proximity sensors, which are binary sensors that can sense target presence by performing local...
Provided by University of Massachusetts
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White Papers
InterMR: Inter-MANET Routing in Heterogeneous MANETs
Aug 2010
The advancements of diverse radio technologies and emerging applications have spawned increasing heterogeneity in Mobile Ad hoc NETworks (MANETs). But the collaborative nature of communications...
Provided by University of Cambridge
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White Papers
Secrecy in Wireless Networks Through Cooperative Chatter
Jan 2011
The secure transmission of information in wireless networks without knowledge of the eavesdroppers' locations is considered. Two key mechanisms are employed: artificial noise generation from...
Provided by University of Massachusetts
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White Papers
Understanding Team Context: Team Collaboration and Performance in Military Network-Enabled Operations
Sep 2010
During high-tempo military operations, the development of a shared team context is critical to achieving mission success which often requires extraordinary levels of team synchronization with...
Provided by Boeing
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White Papers
Using Mobility to Optimize Network Lifetime by Reducing Interference
Aug 2010
The authors investigate using mobility-assisted sensor positioning to reduce the interference observed in a Wireless Sensor Network (WSN) under the constraints of maintaining network connectivity...
Provided by City University of New York
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White Papers
An Energy Efficient Dynamic Location Server Hierarchy for Mobile Ad Hoc Networks
Aug 2010
By using position information in forwarding decisions, location based routing protocols for mobile networks are stateless and efficient. However, they are heavily dependent on location services...
Provided by Rensselaer Polytechnic Institute
-
White Papers
Microstrip Rectangular Patch Antenna : Computer Aided Design Methology
Jan 2012
Antenna is a means for radiating or receiving radio waves. In addition to receiving or transmitting energy, an antenna in an advanced wireless system is usually required to optimize the radiation...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Enhanced Dynamical Hierarchical Mobile Internet Protocol for Mobile IP Networks
Jan 2012
In the wireless networks proficient Mobility management is a vital concern that supports mobile users. Multicast Hierarchical Mobile Internet protocol (MHMIP) is a commonly accepted standard to...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Enterprise Mobile Apps: Empower Your Business Functions
Mar 2012
As enterprise mobility becomes ubiquitous, organizations are moving beyond plucking the low lying fruits of mobile technology e.g. mail, messenger, contacts and calendar etc., and are taking the...
Provided by XCUBELABS
-
White Papers
Effect of Energy and Bandwidth Constraints in Ad Hoc Networks: A Review
Jan 2011
In this paper, the authors review the efficiency of wireless ad hoc networks. The wireless networks efficiency deals with the bandwidth and the energy efficiency of the networks that depends upon...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Estimation Methods for Microarray Data With Missing Values: A Review
Mar 2011
DNA microarrays have gained widespread uses in biological studies such as cancer classification, cancer prognosis and identifications of cell cycle-regulated genes of yeast because of their large...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
A Dynamic Fault Tolerant Routing Protocol for Prolonging the Lifetime of Wireless Sensor Networks
Mar 2011
Wireless Sensor Networks (WSNs) are being extensively used for various applications. WSNs consist of a large number of small nodes with sensing, computation, and wireless communication...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Performance Evaluation of UMTS-WLAN Interworking
Mar 2011
The main methods used to implement WLAN-3G inter working are: the mobile IP methods, the emulator method, and the gateway method. Each one of these methods enjoys some pros and suffers from some...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
A Performance Comparison of FBMC Modulation Schemes With Short Perfect Reconstruction Filters
Apr 2012
In this paper, the authors study the performance of Filter Bank based Multi-Carrier (FBMC) transmission systems over doubly-dispersive channels. FBMC generalizes traditional Orthogonal...
Provided by CNRS
-
White Papers
Integrating Renewable Energy Using Data Analytics Systems: Challenges and Opportunities
Mar 2011
The variable and intermittent nature of many renewable energy sources makes integrating them into the electric grid challenging and limits their penetration. The current grid requires expensive,...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Emitter Localization Given Time Delay and Frequency Shift Measurements
May 2011
Given time and frequency differences of arrival measurements, the authors estimate the position and velocity of an emitter by jointly eliminating non-linear nuisance parameters with an orthogonal...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Mobile Sensemaking: Exploring Proximity and Mobile Applications in the Classroom
Oct 2007
The authors propose mobile sense-making as a collaborative mechanism to explore and understand information in highly mobile and fluid situations, where people engage in multiple parallel, rapid...
Provided by University of Chile
-
White Papers
Bluetooth Hotspot: Extending the Communication Range Between Bluetooth Devices
Mar 2011
Bluetooth is a wireless radio specification designed to replace the cables as the medium for data and voices signals between electronic devices. Bluetooth's design sets a high priority on small...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
A Novel Algorithm for Co-Synthesis of Wireless Client-Server Systems Using Preference Vectors
Mar 2011
Embedded systems are used all over the society. Current estimates indicate that over 90 percent of worldwide computers are embedded systems. As the complexity of system design increases, use of...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Application of Sensor Component in Wireless Network's for Signal Processing With Geographical Information
Apr 2011
Sensor are the electronic component deployed at the specific area, for collecting the information about that area. That information consist of geographical information, weather, information,...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Tank Water Level Monitoring System Using GSM Network
May 2011
Unexpected shortage of water supply is common phenomena especially in dense population such as in hostels. Water supply at the students' hostels is usually drawn from tank at the roof top of the...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Study of Traditional Upstream Congestion Control Algorithm With Various Metrics in Realistic WSN Scenarios
Nov 2011
Wireless Sensor Networks (WSNs) utilize huge amount of wireless sensor nodes to gather information from their sensing terrain. The gathered information will undergo in-network process and send to...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Active Queue Management for Flow Congestion Control in Wireless Network
Nov 2011
The queue management are flow fairness and queue-length stability However, most prior works dealt with these goals independently. This paper presents two recommendations to the Internet community...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Seamless Handoff in Next Generation Wireless System
Nov 2011
Next Generation Wireless System (NGWS) consists of heterogeneous wireless networks. The heterogeneous wireless network should be always best connected in order to satisfy the seamless...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Node Localization in Wireless Sensor Networks
Nov 2011
Awareness of location is one of the important and critical issue and challenge in wireless sensor network. Knowledge of Location among the participating nodes is one of the crucial requirements in...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Throughput Enhancement by Robust Routing in MANET
Nov 2011
An ad hoc wireless network is highly impacted by the dynamic stochastic process of its underlying links which leads to link breaks during data transaction. Hence, to provide uninterrupted data...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Implementation Study of Hybrid Caching Scheme in Wireless P2P Networks With Asymmetric Cooperative Caching
Dec 2011
As the day to day applications in mobile computing are increasing, different wireless peer-peer networks came into existence. There are several protocols and schemes are implemented to increase...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
A Mobile IPv6-Based Architecture for Mobility of Mobile Terminals in Heterogeneous Networks
Dec 2011
The evaluation toward next-generation wireless networking brought life to the concept of technology and services integration. The success attained by the Internet, on one side, and by cell phone...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Provably Secure Quantum Key Distribution Protocols in 802.11 Wireless Networks
Dec 2011
The fact that wireless networks have become one of the most extensively used communication systems in the world. Though, providing secure communication for wireless networks has become one of the...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Node Localization for Wireless Sensor Networks
Dec 2011
Awareness of location is one of the important and critical issue and challenge in wireless sensor network. Knowledge of Location among the participating nodes is one of the crucial requirements in...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Revocation and Self Healing of Keys in Hierarchical Wireless Sensor Network
Jan 2012
In this paper, the authors have discussed a key distribution scheme with revocation and self healing mechanism. Self healing key distribution scheme enables a group of users to establish a group...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Broadcasting Through UDG in Manets by GPS Assistance
Jan 2012
Adhoc networks are useful in many Application Environments and do not need any infrastructure support. Collaborative computing and communication in smaller areas can be setup by using Adhoc...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
GPS-Free Directional Localization Via Dual Wireless Radios
Aug 2011
Location discovery, especially in mobile environments, has recently become the key component of many applications. Accurate location discovery, particularly in safety critical applications using...
Provided by Izmir University of Economics
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White Papers
On the Complexity of Trilateration With Noisy Range Measurements
Jul 2011
Recent developments, especially in wireless and mobile networks, have enabled the use of location based services in many application areas. Accurate location discovery, however, is still an open...
Provided by Izmir University of Economics
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White Papers
Managing Cohort Movement of Mobile Sensors Via GPS-Free & Compass-Free Node Localization
Nov 2009
A critical problem in mobile ad-hoc wireless sensor networks is each node's awareness of its position relative to the network. This problem is known as localization. In this paper, the authors...
Provided by Polytechnic Institute of New York University
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White Papers
Hovering Information - Self-Organising Information That Finds Its Own Storage
Mar 2008
A piece of Hovering Information is a geo-localized information residing in a highly dynamic environment such as a mobile ad hoc network. This information is attached to a geographical point,...
Provided by University of Geneva
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White Papers
Hovering Information : Infrastructure-Free Self-Organising Location-Aware Information Dissemination Service
Apr 2008
This paper proposes a location-based service for disseminating geo-localised information generated by and aimed at mobile users. The service itself works in a self-organising manner. A piece of...
Provided by University of Geneva
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White Papers
Enforcing Dynamic Spectrum Access With Spectrum Permits
Apr 2012
Dynamic spectrum access is a maturing technology that allows next generation wireless devices to make highly efficient use of wireless spectrum. Spectrum can be allocated on an on-demand basis for...
Provided by Association for Computing Machinery
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White Papers
I Am the Antenna: Accurate Outdoor AP Location Using Smartphones
Sep 2011
Today's WiFi Access Points (APs) are ubiquitous, and provide critical connectivity for a wide range of mobile networking devices. Many management tasks, e.g. optimizing AP placement and detecting...
Provided by Association for Computing Machinery
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White Papers
Multiple - Differential Encoding for Multi-Hop Amplify - And - Forward IR-UWB Systems
Apr 2011
Ultra-WideBand radio is a wireless spectral underlay technology for transmitting signals with a bandwidth larger than 500 MHz or with a fractional bandwidth of more than 20%. Owing to their large...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
On the Performance of Non - Coherent Transmission Schemes With Equal - Gain Combining in Generalized K - Fading
Jan 2010
The generalized K-fading model, which is characterized by two fading parameters, k>0 and m>0, is versatile enough to cover both scenarios with cascade multipath fading and scenarios with composite...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Distributed Transmit Power Allocation for Multihop Cognitive-Radio Systems
Jun 2009
In this paper, the authors consider a relay-assisted wideband Cognitive-Radio (CR) system under the assumption that the frequency band chosen by the CR relay network for unlicensed spectrum usage...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
On the Duality Between MIMO Systems With Distributed Antennas and MIMO Systems With Colocated Antennas
Oct 2007
Multiple-Input Multiple-Output (MIMO) systems are known to offer huge advantages over single-antenna systems, both with regard to capacity and error performance. Usually, quite restrictive...
Provided by Hindawi Publishing
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White Papers
A Rigorous Analysis of the Statistical Properties of the Discrete-Time Triply-Selective MIMO Rayleigh Fading Channel Model
Dec 2007
The use of multiple antennas for wireless communication systems has gained much interest during the last decade, since multiple-antenna techniques offer capacity gains, diversity gains, and...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Double-Differential Encoding for Dual-Hop Amplify-and-Forward Relaying in IR-UWB Systems
Jan 2010
In this paper, the authors propose to improve the performance of impulse-radio ultra-wideband (IR-UWB) systems by means of cooperative relaying. With regard to a simple practical realization, they...
Provided by University of British Columbia
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White Papers
On the Performance of Non-Coherent Transmission Schemes With Equal-Gain Combining in Correlated Generalized K-Fading
Jun 2009
The generalized K-fading model, characterized by two parameters, k and m, was recently shown to accurately capture the effects of composite shadowing and multipath fading in wireless communication...
Provided by University of British Columbia
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