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mobile - wireless communications
(58314 results)-
White Papers
A Combined Localization and Geographic Routing Algorithm for Rapidly-Deployed Wireless Sensor Networks
Feb 2008
The authors consider a network of randomly-deployed, low-cost sensors and a single powerful sink node. A partition-based localization algorithm is proposed in which the sink node imparts...
Provided by Taylor & Francis Group
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White Papers
Energy Efficient Correlated Data Aggregation for Wireless Sensor Networks
Feb 2008
Data aggregations from Sensors to a sink in Wireless Sensor Networks (WSNs) are typically characterized by correlation along the spatial, semantic, and temporal dimensions. Exploiting such...
Provided by Taylor & Francis Group
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White Papers
Distributed Detection in Wireless Sensor Networks Using Dynamic Sensor Thresholds
Feb 2008
This paper presents a new approach for distributed target detection in Wireless Sensor Networks (WSNs). Contrary to the conventional practice where every sensor uses an identical threshold for...
Provided by Taylor & Francis Group
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White Papers
Medium-Contention Based Energy-Efficient Distributed Clustering (MEDIC) for Wireless Sensor Networks
Oct 2007
In this paper, the authors utilize clustering to organize wireless sensors into an energy-efficient hierarchy. They propose a Medium-contention based Energy-efficient DIstributed Clustering...
Provided by Taylor & Francis Group
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White Papers
Timeout-Based Information Forwarding Protocol for Wireless Sensor Networks
Oct 2007
Recent wireless microsensor network protocols provide more flexible leverage to the applications with dynamically changing topology, but they should be designed to overcome energy constraints, the...
Provided by Taylor & Francis Group
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White Papers
Deploying Mobile Backhaul - Ethernet Microwave Technology Choices for Lower OPEX
Jun 2008
This paper focuses on methods for reducing OPeration EXpenditure (OPEX) enabled by the shift to advanced Ethernet microwave backhaul solutions. Microwave is the preferred backhaul technology by...
Provided by Ceragon
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White Papers
Coverage Strategies in Wireless Sensor Networks
Jul 2010
An energy efficient cover of a region using Wireless Sensor Networks (WSNs) is addressed in this paper. Sensor nodes in a WSN are characterized by limited power and computational capabilities, and...
Provided by Taylor & Francis Group
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White Papers
Gateway Discovery and Selection in Mobile Hotspots
Jan 2008
Gaining IP connectivity in mobile hotspots (e.g. public transport vehicles) through on-board local area networks and mobile gateways has recently attracted strong commercial and research...
Provided by Universita Delgi Studi Mediterranea di Reggio Calabria
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White Papers
Common Gateway Architecture for Mobile Ad-Hoc Networks
Jan 2008
Ad-hoc networks are by definition created on demand, without any infrastructure. On the other hand, they are often considered as an extension of the range of Internet access points, providing...
Provided by Universitat Bern
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White Papers
Energy Restrained Data Dissemination in Wireless Sensor Networks
Jul 2010
Wireless sensor nodes can be mobile within a chosen area and communicate with neighboring nodes in the bounds of protocol limits. Since communications among all network components in sensor...
Provided by Taylor & Francis Group
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White Papers
Data Capacity Improvement of Wireless Sensor Networks Using Non-Uniform Sensor Distribution
Jul 2010
Energy conservation is an important design consideration for battery powered Wireless Sensor NETworks (WSNET). Energy constraint in WSNETs limits the total amount of sensed data (data capacity)...
Provided by Taylor & Francis Group
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White Papers
Range-Free Localization with Aerial Anchors in Wireless Sensor Networks
Jul 2010
Localization is one of the essential issues in wireless sensor networks. Randomly deployed sensor nodes that do not own any positioning device need to determine their locations for further...
Provided by Taylor & Francis Group
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White Papers
Two-Level Downlink Scheduling for Real-Time Multimedia Services in LTE Networks
May 2011
Long Term Evolution represents an emerging technology that promises a broadband and ubiquitous Internet access. But several aspects have to be considered for providing effective multimedia...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A Frequency Domain Model to Predict the Estimation Accuracy of Packet Sampling
Dec 2009
In network measurement systems, packet sampling techniques are usually adopted to reduce the overall amount of data to collect and process. Being based on a subset of packets, they hence introduce...
Provided by Politecnico di Bari
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White Papers
An Exclusive Self-Coexistence (ESC) Resource Sharing Algorithm for Cognitive 802.22 Networks
Apr 2010
IEEE 802.22 is a standard for Wireless Regional Area Network (WRAN) which exploits the cognitive radio technology in order to use spectrum holes in the TV frequency band. The standard allows the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
DeSRTO: An Effective Algorithm for SRTO Detection in TCP Connections
Jan 2010
Spurious Retransmission Timeouts in TCP connections have been extensively studied in the scientific literature, particularly for their relevance in cellular mobile networks. At the present, while...
Provided by Politecnico di Bari
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White Papers
Semantic-Based Resource Discovery, Composition and Substitution in IEEE 802.11 Mobile Ad Hoc Networks
Apr 2009
The authors present a general framework for resource discovery, composition and substitution in Mobile Ad-hoc NETworks (MANET), exploiting knowledge representation techniques. Key points of the...
Provided by Politecnico di Bari
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White Papers
Fully Secure Pairwise and Triple Key Distribution in Wireless Sensor Networks Using Combinatorial Designs
Jan 2011
Sensor nodes are small battery powered devices which are deployed in large numbers to sense and collect information for various applications ranging from health care to military. Sensor networks...
Provided by University of Ottawa
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White Papers
A Survey on Key Pre-Distribution Scheme in Homogeneous Wireless Sensor Networks
Dec 2010
Wireless Sensor Network(WSN) has a wide range of applications in military as well as in civilian services. Key pre-distribution is a challenging task in sensor networks. Because the neighbor of a...
Provided by National Institute of Technology, Rourkela (NIT)
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White Papers
Preemption, Fairness, and Security Dynamics in Heterogeneous DSA Environments
Jun 2011
In this paper, the authors study how key dynamic spectrum access operating parameters impact radios' ability to fairly access wireless spectrum. Additionally they investigate intentional spectrum...
Provided by Virginia Tech
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White Papers
Adaption Overhead in Time-Varying Cognitive Radio Channels
Jan 2008
The ability to adapt to a changing RF environment is a major feature of cognitive radios. As the interference and noise characteristics change, the radio should be able to select a waveform...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A Hop-by-hop Cross-layer Congestion Control Scheme for Wireless Sensor Networks
Dec 2011
Congestions in Wireless Sensor Networks (WSNs) could potentially cause packet loss, throughput impairment and energy waste. To address this issue, a Hop-by-hop Cross-layer Congestion Control...
Provided by Academy Publisher
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White Papers
Improvement of Filtering Algorithm for RFID Middleware Using KDB-tree Query Index
Dec 2011
RFID middleware collects and filters RFID streaming data gathered continuously by numerous readers to process requests from applications. These requests are called continuous queries. The problem...
Provided by Academy Publisher
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White Papers
Decision Support System of Regional Water Resources
Nov 2011
It is very important to dispose the water resources rationally. Rational disposition of water resources is the nucleus of sustainable water resources utilization, and is the important way to solve...
Provided by Academy Publisher
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White Papers
SASHA: Toward a Self-Healing Hybrid Sensor Network Architecture
Jan 2008
For widespread adoption of sensor technology, robustness in the event of abnormal behavior such as a network intrusion, or failures of components or nodes is critical. Current research on robust...
Provided by Portland State University
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White Papers
Mobile Web Widgets: Enabler of Enterprise Mobility Work
Apr 2009
Increasingly, many Smartphones (i.e., Apple iPhone, Google Android, PalmPre, Blackberry Storm and Bold, and Nokia S60) today are equipped with standards-based Web browsers that facilitate access...
Provided by Nokia
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White Papers
Mobility Services Platform (MSP) Using MSP in Wide Area Networks (Carriers)
Jun 2008
Wireless Data as a commercial carrier offering has adopted various wireless standards and has evolved over time with technology improvements in what are called "Generations", or "G" (i.e. 1G, 2G,...
Provided by Motorola
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White Papers
Transient Fault Tolerance and System Safety Enhancement Based on System Theory
Oct 2011
Transient faults are hard to be detected and located due to their unpredictable nature and short duration, and they are the dominant causations of system failures, which makes it necessary to...
Provided by Academy Publisher
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White Papers
An Empirical Study of the Influencing Factors of User Adoption on Mobile Securities Services
Sep 2011
In view of the barrier that users held a low adoption intention of mobile securities currently, this study developed a theoretical model of user adoption on mobile securities services based on...
Provided by Academy Publisher
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White Papers
RFID-Based Intelligent Storage and Retrieval Systems in Automated Warehouse
Sep 2011
In order to improve the storage/retrieval efficiency of automated warehouse, robot technology was applied into the design of warehouses. Firstly, the RFID system is used to locate the target...
Provided by Academy Publisher
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White Papers
A Proof-Carrying-Code Infrastructure for Resources
Jun 2009
This paper tackles the issue of increasing dependability of distributed systems in the presence of mobile code. To this end the authors present a complete Proof-Carrying-Code (PCC) infrastructure...
Provided by University of Edinburgh
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White Papers
Distinguishing Locations Across Perimeters Using Wireless Link Measurements
Mar 2011
Perimeter distinction in a wireless network is the ability to distinguish locations belonging to different perimeters. It is complementary to existing localization techniques. A drawback of the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Research on Mobile Agent System for Agile Supply Chain Management
Aug 2011
Today's competition between companies has been turned into the competition between their supply chains. To satisfy the rapidly changing demand in global market, Supply Chain Management (SCM) must...
Provided by Academy Publisher
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White Papers
Developing Software Using A Novel Event-Condition-State Pattern Framework: Taking Mobile Input Method System As A Case Study
Aug 2011
Design patterns add more reliability, flexibility and reusability to a software system. Taking advantage of design patterns is usually beneficial to software design and makes software development...
Provided by Academy Publisher
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White Papers
A Framework of Transferring Mobile Services With Agent Based Middleware
Aug 2011
With the development of mobile terminal devices and network communication technology, service applications in mobile environments with large potential users become more and more popular. After...
Provided by Academy Publisher
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White Papers
Information Flow Management of Vendor-Managed Inventory System in Automobile Parts Inbound Logistics Based on Internet of Things
Jul 2011
Reducing inventory levels is a major supply chain management challenge in automobile industries. With the development of information technology new cooperative supply chain contracts emerge such...
Provided by Academy Publisher
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White Papers
Accelerometer Based Gesture Recognition Using Fusion Features and SVM
Jun 2011
In this paper, a gesture recognition system based on single tri-axis accelerometer mounted on a cell phone is proposed. The authors present a novel human computer interaction for cell phone...
Provided by Academy Publisher
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White Papers
Research on Family and Shops Real-Time Status of 3G Wireless Remote Monitoring System
May 2011
Aiming at the development situation of 3G network, realization scheme is proposed based on 3G network B/S mode of embedded family status remote real-time monitoring system, avoid the shortage of...
Provided by Academy Publisher
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White Papers
Automating GUI Testing for Android Applications
May 2011
Users increasingly rely on mobile applications for computational needs. Google Android is a popular mobile platform, hence the reliability of Android applications is becoming increasingly...
Provided by Association for Computing Machinery
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White Papers
Data Stream Analysis for Location-Aware Collaborative Information Retrieval
May 2008
The authors propose a new approach for enhancing collaborative in-formation retrieval by means of incorporating positional data for a location-aware personalized retrieval process. In their...
Provided by University of Bonn
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White Papers
Multiplexing Precoding Scheme for STC-CPM With Parametric Phase Discriminator IWM Receiver
Jul 2008
A constant envelope Continuous Phase Modulation (CPM) class of Multi-Channel (MC) modulations for multi-antenna transmitters is considered. Each receive antenna receives a superposition of CPM...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A One-Shot Dynamic Optimization Methodology for Wireless Sensor Networks
Jul 2010
Wireless Sensor Networks (WSNs), consisting of autonomous sensor nodes, have emerged as ubiquitous networks which span diverse application domains (e.g., health care, logistics, defense) each with...
Provided by University of Florida
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White Papers
Privacy-Enhanced Personalisation in Ambient Environments
Jul 2008
In ambient environments both quantity and quality of context-aware, personalisable information will continously increase. Acceptance and benefit will depend on personalisation technologies which...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A Lightweight Dynamic Optimization Methodology for Wireless Sensor Networks
Aug 2010
Technological advancements in embedded systems due to Moore's law have lead to the proliferation of Wireless Sensor Networks (WSNs) in different application domains (e.g. defense, health care,...
Provided by University of Florida
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White Papers
RFID for Mobile Applications
Aug 2009
The availability of fast anti-collision algorithms is crucial for most RFID applications. This paper aims to evaluate these algorithms for applications in which it is not intended to identify the...
Provided by Hamburg University of Technology
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White Papers
Performance of Energy-Efficient TDMA Schemes in Data-Gathering Scenarios With Periodic Sources
Jun 2010
Energy-efficient transportation of periodical sensor readings towards a single sink in wireless sensor networks is a challenging task. In general, two data-gathering strategies exist: on-demand...
Provided by Hamburg University of Technology
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White Papers
Prediction Accuracy of Link-Quality Estimators
May 2011
The accuracy of Link-Quality Estimators (LQE) is mission-critical in many application scenarios in Wireless Sensor Networks (WSN), since the link-quality metric is used for routing decisions or...
Provided by Hamburg University of Technology
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White Papers
Construction of Connected Dominating Sets in Large-Scale MANETs Exploiting Self-Stabilization
May 2011
Available algorithms for the distributed construction of connected dominating sets in mobile ad hoc networks are inapplicable or suffer from a high complexity. This is mainly due to the...
Provided by Hamburg University of Technology
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White Papers
Design Considerations for a Universal Smart Energy Module for Energy Harvesting in Wireless Sensor Networks
Jun 2011
This paper presents the design of a universal energy module for nodes in wireless sensor networks. It supports a wide range of energy harvesters and energy storage systems. The focus is on the...
Provided by Hamburg University of Technology
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White Papers
A Robust Model-Based Approach to Indoor Positioning Using Signal Strength
Jul 2008
A simple technique to estimate the position of a mobile node inside a building is based on the Received Signal Strength (RSS). In previous publications, the authors investigated the effectiveness...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
An Architecture for Community Mesh Networking
Jul 2008
The advances on wireless mesh networks are shifting the communications paradigm, where users can benefit from their cooperation to exchange information and make use of the spectrum space, forming...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Exploiting Platform Heterogeneity in Wireless Sensor Networks for Cooperative Data Processing
Aug 2009
In wireless sensor networks, nodes are often fitted with low-power components to allow for a long node lifetime when operated on batteries. However, these available resources can be insufficient...
Provided by Technische Universitat Darmstadt
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White Papers
Error Concealment Based on MMSE Estimation for Multimedia Wireless and IP Applications
Jul 2008
This paper presents a framework for the error concealment of multimedia signals transmitted over wireless and IP networks. This framework is based on two elements. First, the replacements for the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
MMSE Combining Scheme With Subblock Noise Covariance Matrix for Fractional Sampling-OFDM Receivers
Jul 2008
A diversity scheme with Fractional Sampling (FS) in OFDM receivers is investigated recently. When a sharp filter is employed, the correlation of noise samples among the adjacent subcarriers...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
F-Lipschitz Optimization With Wireless Sensor Networks Applications
May 2011
Motivated by the need for fast computations in wireless sensor networks, the new F-Lipschitz optimization theory is introduced for a novel class of optimization problems. These problems are...
Provided by KTH Royal Institute of Technology
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White Papers
Power and Rate Control Outage Based in CDMA Wireless Networks Under MAI and Heterogeneous Traffic Sources
Jan 2011
The authors characterize the maximum throughput achievable for the up-link of a power-controlled WCDMA wireless system with variable spreading factor. The system model includes multi access...
Provided by KTH Royal Institute of Technology
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White Papers
MIMO Capacity Pre-Log for Flat Fading Stationary Channels With No CSIR
Jul 2008
Information theoretic bounds for various types of channels have got utmost importance since the explosion of research in MIMO promised new dimensions for data communication. Such capacity bounds...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Asymptotic Capacity of Underspread and Overspread Doubly Selective MIMO Channels
Jul 2008
In this paper, the authors consider stationary time- and frequency-selective MIMO channels. None of the channel knowledge neither at the transmitter nor at the receiver is assumed to be available....
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Space Time Coded MIMO Network Coding
Jul 2008
Efficient bi-directional multi-hop wireless networks based on MIMO algorithm or network coding has been proposed in recent literatures. In this paper, a new technique named as MIMO network coding,...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Interference-Aware Opportunistic Relaying With Reactive Spectrum Sensing
Jul 2008
Significant progress has been made in cooperative relaying, especially in noise-limited environments. It was recently shown that cooperative relays distributed in noise-limited environments, are...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Channel Switch Time Distribution in ECMA-368 Networks
Jul 2008
Beaconing is crucial to ensure many services in networks, especially with distributed MAC. Being the first standardized distributed MAC for WPANs, ECMA-368 utilizes beacons for device discovery,...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Collaborative Image Compression in Wireless Sensor Networks
Mar 2010
Life time of wireless sensor networks is limited due to battery constraint. In camera equipped sensor nodes, due to battery and processing power constraints, the life time of sensor network is...
Provided by Islamic University
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White Papers
Framework to Compare the Uplink Capacity of the Cellular Systems With Variable Inter Site Distance
Jul 2008
In this paper the authors derive the information theoretic capacity of the uplink of a cellular system with variable inter site distance and a generalised fading environment. The capacity is shown...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Fast and Quality-Guaranteed Data Streaming in Resource-Constrained Sensor Networks
May 2008
In many emerging applications, data streams are monitored in a network environment. Due to limited communication bandwidth and other resource constraints, a critical and practical demand is to...
Provided by Association for Computing Machinery
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White Papers
Spectral Efficiency of Variable Density Cellular Systems With Realistic System Models
Jul 2008
In the information-theoretic literature, multicell joint processing has been shown to produce high spectral efficiencies. However, the majority of existing results employ simplified models and...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Reliability and Efficiency Analysis of Distributed Source Coding in Wireless Sensor Networks
Feb 2009
The authors propose a comprehensive theoretical framework to evaluate reliability and energy consumption of Distributed Source Coding (DSC) in Wireless Sensor Networks (WSNs) applications. Energy...
Provided by KTH Royal Institute of Technology
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White Papers
A Simple Algorithm for Data Compression in Wireless Sensor Networks
Jan 2009
Power saving is a critical issue in Wireless Sensor Networks (WSNs) since sensor nodes are powered by batteries which cannot be generally changed or recharged. As radio communication is often the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Efficient Wavelet Based Image Compression Technique for Wireless Communication
Mar 2011
With phenomenal growth in wireless multimedia image communication, the issues need to handle are resource consumption and the quality of the image being transmitted in wireless channels. The...
Provided by Anna University
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White Papers
Energy-Efficient Data Compression in Clustered Wireless Sensor Networks Using Adaptive Arithmetic Coding With Low Updating Cost
Jul 2011
This paper presents a study of energy reduction technique using data compression based on arithmetic coding in clustered wireless sensor networks to maximize the network's lifetime. Initially, a...
Provided by Kasetsart University
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White Papers
Feedback Delay in Precoded Spatial Multiplexing MIMO Systems
Jul 2008
Precoded spatial multiplexing Multiple-Input Multiple-Output (MIMO) systems using limited feedback have been extensively studied to reduce the feedback information based on the notion of...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Dynamic Clustering Using Binary Multi-Objective Particle Swarm Optimization for Wireless Sensor Networks
Jul 2008
In wireless sensor networks, the use of energy efficient infrastructure such as clustering may be used to lengthen the network lifetime and prevent network connectivity degradation. In such...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Zero-Forcing Vs Unitary Beamforming in Multiuser MIMO Systems With Limited Feedback
Jul 2008
The authors consider a multiuser MIMO downlink system with multiple antenna mobile terminals where channel state information at the base station is provided through limited uplink feedback. In a...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Decentralized Optimization of Wireless Sensor Network Lifetime Based on Neural Network Dynamics
Jul 2008
The wireless sensor networks, which collect various data from a physical environment, are usually defined as an ad hoc network consisted of a huge number of tiny wireless sensor nodes whose...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A User-Centric Access Point Selection Scheme for Cognitive Wireless Network
Jul 2008
This paper proposes a user-centric access point selection scheme to minimize the number of unnecessary reconfigurations of cognitive terminal. In this scheme, number of terminal reconfigurations...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Performance Modeling of Bufferless WDM Packet Switching Networks With Wavelength Conversion
Nov 2008
In this paper, the authors study the performance of bufferless optical WDM packet switching networks with various wavelength conversion degrees. They first introduce an optimal scheduling...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Novel Exact Low Complexity MMSE Turbo Equalization
Jul 2008
In this paper the authors analyze low complexity turbo equalization that combines interference canceling and Soft-Input Soft-Output (SISO) decoding. They derive a new, exact MMSE solution for the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Black Box Over IP: A Development Framework for Extending VoIP Technologies to the Aviation Industry
Jul 2008
The VoIP suite of protocols are extended to propose a computer network capable of terrestrially storing in real time the Flight Data Records and Cockpit Voice Records of every commercial flight....
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Slotted Optical Burst Switching (SOBS) Networks
Nov 2008
In this paper, the authors study Optical Burst Switching (OBS) networks. Since OBS still suffers high loss ratio due to the lack of buffer at the OBS core routers, they study methods to reduce the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Energy Efficient Multi-Hop Polling in Clusters of Two-Layered Heterogeneous Sensor Networks
Nov 2008
In this paper, the authors study two-layered heterogeneous sensor networks where two types of nodes are deployed in the network: basic sensor nodes and cluster head nodes. Basic sensor nodes are...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Performance Comparison of Multipath Reactive Ad Hoc Routing Protocols
Jul 2008
The recent proliferation of wireless devices extends the scope of Mobile Ad hoc NETworks (MANETs) applications beyond the military domain to include civil and commercial application scenarios....
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Optimized Asynchronous Multi-Channel Neighbor Discovery
Mar 2011
The authors consider the problem of neighbor discovery in wireless networks with nodes operating in multiple frequency bands and with asymmetric beacon intervals. This is a challenging task when...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
On Cooperative Strategies in Wireless Relay Networks
Mar 2011
In this paper, the authors study the cooperative strategies of relay stations in wireless relay networks. As pure relay stations distributed across the network and centrally controlled by the base...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Local Pooling Factor of Multihop Wireless Networks
Mar 2011
Link scheduling is critical to achieving good network throughput in multi-hop wireless networks. The seminal work of Tassiulas and Ephremides provided a throughput-optimal scheduler, which can...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Zoom: A Multi-Resolution Tasking Framework for Crowdsourced Geo-Spatial Sensing
Mar 2011
As sensor networking technologies continue to develop, the notion of adding large-scale mobility into sensor networks is becoming feasible by crowd-sourcing data collection to personal mobile...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Spatio-Temporal Modeling of Wireless Users Internet Access Patterns Using Self-Organizing Maps
Mar 2011
Users behavior and interests will play a central role in future mobile networks. They introduce a systematic method for large-scale multi-dimensional analysis of online activity for thousands of...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Equilibriums in Slow Fading Interfering Channels With Partial Knowledge of the Channels
Mar 2011
The authors consider a block fading interference channels with partial channel state information and they address the issue of joint power and rate allocation in a game theoretic framework. The...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Evolution of 4G-Research Directions Towards Fourth Generation Wireless Communication
May 2011
Mobile communication play a vital l role in the data and voice network front. With the deployment of mass scale 3G just around the globe, new directions are already being researched. This paper...
Provided by Hyderabad Institute of Technology And Management
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White Papers
Dual Band e-Shape Micro Strip Patch Antenna on RT DUROID 5880 Substrate for Pervasive Wireless Communication
May 2011
The area of micro strip antennas has seen some inventive work in recent years and is currently one of the most dynamic fields of antenna theory. This designing is very easy and chip in micro strip...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Effective Congestion Control for Wireless Ad-Hoc Networks
Sep 2011
The authors study joint design of end-to-end congestion control and Per-link Medium Access Control (MAC) in ad-hoc networks. In the current scenario wireless communication is emerging the world....
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Services in Android Can Share Your Personal Information in Background
Oct 2011
Mobile phones have traveled a very long journey in a very short span of time since its inception in 1973. This wonderful toy of 20th century has started playing significant role in people's life....
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Efficient Broadcasting With Guaranteed Coverage in Mobile Ad Hoc Networks
Sep 2011
In wireless networks comprised of numerous mobile stations, the routing problem of finding paths from a traffic source to a destination through a series of intermediate forwarding nodes is...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
TOMIN: Trustworthy Mobile Cash With Expiration-date Attached
Jun 2010
Online mobile payment systems based on mobile cash provide privacy to customers and are feasible for real point of sale, virtual point of sale, and person-to-person mobile commerce scenarios. The...
Provided by Academy Publisher
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White Papers
Iterative Equalizer for OFDM-CDMA Multiple Access Communication Systems
Jun 2010
In this paper, the receivers with adaptive equalizer and turbo decoder are investigated for Orthogonal Frequency Division Multiplexing-Code Division Multiple access (OFDM-CDMA) systems in...
Provided by Academy Publisher
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White Papers
Integrating Encrypted Mobile Agents With Smart Spaces in a Multi-agent Simulator for Resource Management
Jun 2010
The existence of advanced smart devices and related technologies such as pervasive computing, mobile wireless communications, sensor networks and agent technologies have supported the...
Provided by Academy Publisher
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White Papers
Similarity-Aware Query Allocation in Sensor Networks With Multiple Base Stations
Jul 2007
In this paper, the authors consider a large scale sensor network comprising multiple, say K, base stations and a large number of wireless sensors. Such an infrastructure is expected to be more...
Provided by Nanyang Technological University
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White Papers
Fine Grain Adaptive Fec (FGA-FEC) Over Wireless Networks
Aug 2007
In this paper, the authors extend their proposed FGA-FEC coding scheme, a generalized MD-FEC method, to wireless networks. To protect the encoded scalable video bitstream over a lossy channel and...
Provided by Rensselaer Polytechnic Institute
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White Papers
A Distributed System for Cooperative MIMO Transmissions
Oct 2008
In this paper, the authors propose a distributed system for facilitating cooperative MIMO transmissions in networks without multiple antenna devices. MIMO diversity is achieved by employing groups...
Provided by Rensselaer Polytechnic Institute
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White Papers
An End-to-End Transport Protocol for Extreme Wireless Network Environments
Jan 2012
As the Joint forces move towards the vision of Network-Centric Warfare (NCW), it is extremely important that the network services be reliable and dependable, even under degraded network...
Provided by Rensselaer Polytechnic Institute
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White Papers
A Passive Solution to the Sensor Synchronization Problem
Jul 2010
Knowing the time at which sensors acquired data is critical to the proper processing and interpretation of that data, particularly for mobile robots attempting to project sensor data into a...
Provided by University of Michigan
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White Papers
Non-Linear Constraint Network Optimization for Efficient Map Learning
Jun 2009
Learning models of the environment is one of the fundamental tasks of mobile robots since maps are needed for a wide range of robotic applications, such as navigation and transportation tasks,...
Provided by University of Freiburg
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White Papers
Robust On-Line Model-Based Object Detection From Range Images
Aug 2009
A mobile robot that accomplishes high level tasks needs to be able to classify the objects in the environment and to determine their location. In this paper, the authors address the problem of...
Provided by University of Freiburg
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White Papers
PSA: The Packet Scheduling Algorithm for Wireless Sensor Networks
Sep 2011
The main cause of wasted energy consumption in wireless sensor networks is packet collision. The packet scheduling algorithm is therefore introduced to solve this problem. Some packet scheduling...
Provided by Prince of Sonkla University
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White Papers
Performance Evaluation of AOMDV Protocol Based on Various Scenario and Traffic Patterns
Dec 2011
A MANET is an interconnection of mobile devices by wireless links, which forms a dynamic topology. Routing protocols play a vital role in transmission of data across the network. The two major...
Provided by Academy & Industry Research Collaboration Center
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White Papers
Performance Analysis of Distributed Spatial Multiplexing With Multi-Hop Amplify and Forward Relaying in Cellular Networks
Dec 2011
This paper describes a frame work investigating the performance of Distributed Spatial Multiplexing (DSM) in cooperative multi-hop cellular networks. The cooperative communication in cellular...
Provided by Academy & Industry Research Collaboration Center
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White Papers
Classical Discrete-Time Fourier Transform-Based Channel Estimation for MIMO-OFDM Systems in Vehicular Communications Technology
Oct 2011
In this paper, the authors look at various time domain channel estimation methods with this constraint of null carriers at spectrum-borders. They show in detail howto gauge the importance of the...
Provided by Academy & Industry Research Collaboration Center
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White Papers
Performance Evaluation of Different Scheduling Algorithms in WIMAX
Oct 2011
Worldwide Interoperability for Microwave Access (WiMAX) networks were expected to be the main Broadband Wireless Access (BWA) technology that provided several services such as data, voice, and...
Provided by Jordan University of Science and Technology
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White Papers
Performance Analysis of a Concatenated LDPC Coded Alamouti-Based STBC-OFDM System on Text Message Transmission
Jun 2011
This paper investigates the impact of concatenation of an interleaved Low Density Parity Check (LDPC) code with convolutional channel coding on the performance of the Space Time Block Coded (STBC)...
Provided by University of Rajshahi
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White Papers
A Comprehensive Study and Performance Comparison of M-Ary Modulation Schemes for an Efficient Wireless Mobile Communication System
Jun 2011
Wireless communications has become one of the fastest growing areas in the people modern life and creates enormous impact on nearly every feature of their daily life. In this paper, the...
Provided by University of Rajshahi
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White Papers
CCI-Based Link Quality Estimation Mechanism for Wireless Sensor Networks under Perceive Packet Loss
Apr 2010
This paper proposes a CCI-Based (Chip Correlation Indicator) link quality estimation mechanism for wireless sensor networks, which is used under the case of perceive packet loss. This mechanism...
Provided by Academy Publisher
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White Papers
Efficient Valid Scope for Location-Dependent Spatial Queries in Mobile Environments
Feb 2010
In mobile environments, mobile clients can access information with respect to their locations by submitting Location-Dependent Spatial Queries (LDSQs) to Location-Based Service (LBS) servers....
Provided by Academy Publisher
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White Papers
Energy Efficient Maximum Lifetime Routing for Wireless Sensor Network
Jan 2012
In wireless sensor network, sensors or nodes are generally battery powered devices. These nodes have limited amount of initial energy that are consumed at different rates, depending on the power...
Provided by Maulana Azad National Institute of Technology
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White Papers
Improving Energy Efficiency in Wireless Sensor Networks Through Scheduling and Routing
Jan 2012
This paper is about the wireless sensor network in environmental monitoring applications. A Wireless Sensor Network consists of many sensor nodes and a base station. The number and type of sensor...
Provided by Sathyabama University
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White Papers
Lightweight Hierarchical Model for HWSNET
Oct 2011
Heterogeneous Wireless Sensor NETworks (HWSNET) are more suitable for real life applications as compared to the homogeneous counterpart. Security of HWSNET becomes a very important issue with the...
Provided by West Bengal University of Technology
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White Papers
Aseer : A Routing Method to Extend Life of Two-Tiered Wireless Sensor Network
Oct 2011
Various routing protocols have been designed and developed for Wireless Sensor Networks. They face various challenges. Sensor nodes are strongly energy and storage constrained, also failure rate...
Provided by Academy & Industry Research Collaboration Center
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White Papers
Configurable Task Mapping for Multiple Objectives in Macro-Programming of Wireless Sensor Networks
Apr 2011
Macro-programming is the new generation advanced method of using Wireless Sensor Network (WSNs), where application developers can extract data from sensor nodes through a high level abstraction of...
Provided by Banaras Hindu University
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White Papers
A Full Performance Analysis of Channel Estimation Methods for Time Varying OFDM Systems
Dec 2011
In this paper, the authors have evaluated various methods of time-frequency-selective fading channels estimation in OFDM system and some of them improved under time varying conditions. So, these...
Provided by University of Tunis
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White Papers
Grid Computing Integrated With Mobile Computing Wireless Devices
Dec 2011
One application domain the mobile computing has not yet entered is that of grid and cluster computing: the aggregation of network-connected computers to form a large scale, distributed system that...
Provided by Academy & Industry Research Collaboration Center
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White Papers
Performance Evaluation AODV, DYMO, OLSR and ZRPAD Hoc Routing Protocol for IEEE 802.11 MAC and 802.11 DCF in VANET Using QUALNET
Jan 2012
In VANET high speed is the real characteristics which leads to frequent breakdown, interference etc. Therefore Performance of adhoc routing protocols is helpful to improve the Quality of Service...
Provided by Academy & Industry Research Collaboration Center
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White Papers
Congestion Control and QoS Improvement for AEERG Protocol in MANET
Jan 2012
QOS improvement has been a subject of intensive discussion. The research in the network field for congestion control is by means of scheduling packets from different traffic flows for processing...
Provided by Academy & Industry Research Collaboration Center
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White Papers
Multipath Fault Tolerant Routing Protocol in MANET
Jan 2012
Mobile Ad hoc NETworks (MANETs) consist of a collection of wireless mobile nodes which dynamically exchange data among themselves without the reliance on a fixed base station or a wired backbone...
Provided by Academy & Industry Research Collaboration Center
