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mobile - wireless communications
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White Papers
Prevention of Security Threats in IEEE 802.16 Standards
Sep 2011
The WiMAX IEEE 802.16 (e) is defined as the Worldwide Interoperability for Microwave Access by the WiMAX Forum, formed in April 2001 to promote conformance and interoperability of the IEEE 802.16...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
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White Papers
Performance Evaluation of Genetic Based Dynamic Clustering Algorithm Over LEACH Algorithm for Wireless Sensor Networks
Sep 2011
A Wireless Sensor Network (WSN) is a wireless computing devices network consisting of spatially distributed autonomous devices using sensors to cooperatively monitor physical or environmental...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
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White Papers
A Novel Dynamically Optimized Embedded Video Burst Scheduler to Enhance the System QoS
Sep 2011
Real-time video processing is still now a formidable task for the strict requirement on latency control and packet loss minimization. Burst processing has come to the rescue by offering buffer...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
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White Papers
An Open Source Framework for PRTF Protocol
May 2011
Social networking websites contain vast amount of data inside them. Volume of data is enormous and growing at a very fast rate. Social network data can be classified in three major categories -...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
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White Papers
Design and Profile Optimization for Dispersion Shifted Fiber (DSF)
May 2011
In designing of SM fibers, dispersion behavior is a major distinguishing feature which limits long distance and high speed transmission. Dispersion of SMF is lowest at 1.3 um, but the attenuation...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
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White Papers
Analysis of Digitally Modulated Signals Using Instantaneous and Stochastic Features, for Classification
May 2011
Automatic modulation classification is a procedure performed at the receiver based on the received signal before demodulation when the modulation format is not known to the receiver. AMR is also...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
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White Papers
Outlier Detection Using Support Vector Machine in Wireless Sensor Network Real Time Data
May 2011
Outlier detection has many important applications in sensor networks, e.g., abnormal event detection, animal behavior change, intruder detection etc. Outliers in Wireless Sensor Networks (WSNs)...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
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White Papers
Clustering Approach for Distributed Cooperative Detection in Cognitive Radio Networks
Apr 2012
There have been significant advancements towards realizations of cognitive radios, as well as towards the development of the various enabling technologies needed for the diverse potential...
Provided by International Journal of Recent Technology and Engineering (IJRTE)
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White Papers
Multicasting in Mobile Ad Hoc Network Using Zone Based Structure
Apr 2012
The challenge faced nowadays is to design a scalable and robust multicast routing protocol in a Mobile Ad hoc NETwork (MANET). The use of Mobile Ad hoc NETworks (MANETs) is to be achieved with...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Reducing Starvation in Multi-Channel Protocols Through Enhanced AMCP
Apr 2012
The multi-channel protocols are determined to have more throughput when compared to single-channel protocols. Asynchronous Multi-Channel Co-Ordination protocol (AMCP) is devised to address the...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
An Improved Routing Mechanism for Secure Ad-Hoc Network
Apr 2012
An ad-hoc network is a multi-hop wireless network where all nodes cooperatively maintain network connectivity without a centralized infrastructure. If these nodes change their positions...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
A Study of Transport Protocols for Wireless Ad Hoc Networks
Apr 2012
Ad hoc network is infrastructure less. Each individual node in an ad hoc network must be capable of acting as a host and as a router. The benefits of ad hoc architecture leads to...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Application of CSP in Optimizing the Path Loss of Wireless Indoor Propagation Model
Apr 2012
Constraint Satisfaction Programming (CSP) is an emergent software technology for declarative description and effective solving of large particularly combinational problem especially in term of...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
A Compact Microstrip Patch Antenna With Triangular Snipped Slot for Wireless Applications
Apr 2012
A compact micro-strip patch antenna with a slot fed by coaxial probe is presented in this paper. The slot which is circular in shape with triangular truncations results three narrow bands. The...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
CCMP-AES Model With SNAuth-SPMAODV Routing Protocol to Secure Link and Network Layer for Mobile Adhoc Networks in Military Scenario
Apr 2012
Mobile Ad-hoc network is a special kind of wireless networks. It is a collection of mobile nodes without having aid of established infrastructure. Mobile Ad-hoc network are vulnerable to attacks...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Read Range Performance of UHF RFID Reader Antenna
Apr 2012
Now a days Ultra-High Frequency (UHF) radio frequency identification has gaining popularity because of its rapid development in automated identification of objects wirelessly and having wide range...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Performance Evaluation of OFDM System
Feb 2012
Orthogonal Frequency Division Multiplexing (OFDM) is a special segment of multi carrier transmission system, which has found its application in numerous wireless and wired systems. In an OFDM...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Implementation of P2P Network for Search Algorithm
Feb 2012
A Peer-to-Peer, commonly abbreviated to P2P, is any distributed network architecture composed of participants that make a portion of their resources (such as processing power, disk storage or...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Efficient Bandwidth in Mobile Ad Hoc Networks Using Genetic Algorithm
Feb 2012
Most of the existing routing protocols are designed primarily to carry best effort traffic and only concerned with shortest path routing. Little attention is paid to the issues related to the...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Analysis and Literature Review of IEEE 802.16e (Mobile WiMAX) Security
Feb 2012
IEEE802.16e or Mobile WiMAX, where WiMAX stands on Worldwide Interoperability for Microwave Access, is one of the latest technologies in the Wire-Less World. The main goal of WiMAX is to deliver...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Study on Equipment Failure and Loss Estimation Through Taguchi Method With Risk Management
Feb 2012
In the highly competitive business environment, manufacturing organizations are seeking new strategies to improve the quality of product reduce product cost, eliminate loss producing events and...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Performance Analysis of WDM PON at 10 Gb/s
Feb 2012
In this paper, the authors have studied the Wave length division multiplexing in Passive Optical network using software OPTSIM. They transmit the signal at 10gb/s in MAN Optical network With long...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Analysis of the Character Statics of Video Streaming on WLAN Networks
Dec 2011
The bursty nature of video streaming applications is due to the frame-based structure of video and this has an important impact on the resource requirements of the WLAN, affecting its ability to...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Subatomic Particle Sensitivity of Gigabyte Networks
Dec 2011
The authors have presenting subatomic particle radiation testing of the 57710 network controller. It shows that there is a SEFI mode that could cause the internal network to become unavailable...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
A Report on Differential Delay Analysis for Bus Codec
Dec 2011
Design of portable consumer electronic devices such as mobile phones, video game and other embedded systems are increasingly demanding low power consumption to maximize the battery life, reduce...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Performance Analysis of V-Blast Based MIMO-OFDM System With Various Detection Techniques
Dec 2011
This paper presents the performance analysis of V-BLAST based Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing (MIMO-OFDM) system with respect to bit error rate per signal...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Analysis of Tahoe: A TCP Variant
Dec 2011
Internet has emerged as the basic need of the time. Internet has influenced every part of the people life. Shopping, communication, entertainment, business, information, education all aspects of...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Deadlock Free Routing in Irregular Interconnection Networks for Complex SoCs
Dec 2011
Networks-on-Chip (NoC) is recently proposed as an alternative communication infrastructure/Interconnection Network for address the high communication demands of the complex futuristic SoCs. Most...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Satellite Communication Networks Performance
Oct 2011
A number of serious consortiums develop satellite communication networks. The paper is to service personal communication users almost everywhere on earth. The inter satellite links in those...
Provided by Bansal Institute of Science and Technology
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White Papers
Signal Code Modulation for Broadband Wireless Systems
Oct 2011
This paper seeks to present ways to eliminate the inherent quantization noise component in digital communications, instead of conventionally making it minimal. It deals with a new concept of...
Provided by Bansal Institute of Science and Technology
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White Papers
A Survey on Different Security Techniques of Mobile Code
Oct 2011
Mobile agents are software which moves autonomously through a computer network with aim to perform some computation or gather information on behalf of its creator or an application. In the last...
Provided by Maulana Azad National Institute of Technology
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White Papers
An Efficient Ranking Based Clustering Algorithm
Oct 2011
There are several databases, which contain large information about research publications in various fields, for examples, DBLP in computer science and PubMed in medical science. US Census data set...
Provided by Bansal Institute of Science and Technology
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White Papers
Multimedia Networks Based Dynamic WCDMA System Proposal for Qos
Oct 2011
In WCDMA 3rd Generation (3G) systems although there is no need for frequency planning as the case with Second Generation (2G) systems, the limitation of both capacity and coverage by the...
Provided by Bansal Institute of Science and Technology
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White Papers
Study of the Performance of 3x3 MIMO Transmission System Using MMSE and ML Detectors
Oct 2011
Analysis of full-rate linear and space-time block code for 3X3 Multiple-Input Multiple-Output (MIMO) communication systems under a Rayleigh flat-fading environment has been carried out. The design...
Provided by R.V. College of Engineering
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White Papers
Distributed Routing Simulation for Generic Network-on-Chip Topologies
Oct 2011
Networks-on-Chip (NoC) is recently proposed as an alternative to the on-chip bus to meet the increasing requirement of complex communication needs in Systems-on-Chip (SoC). Most researchers...
Provided by Maharana Pratap University of Agriculture and Technology
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White Papers
Mapping of QoS Between UMTS and WiMAX in Tight Coupling Heterogeneous Wireless Network
Mar 2012
4G network or Heterogeneous wireless access network will integrate existing wireless access technologies (e.g. 2G, 3G, WiMAX, WLAN, etc.) in order to provide, transparently, end-users with the...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
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White Papers
Integration of Unicast and Multicast Scheduling in Input-Queued Packet Switches With High Scalability
May 2012
This paper focuses on the scalability problems for high-speed switches, and presents an integrated scheduling algorithm that supports unicast and multicast traffic efficiently in input-queued...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
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White Papers
Optimization of Routes in Mobile Ad Hoc Networks Using Artificial Neural Networks
May 2012
An ad hoc network is a collection of wireless mobile hosts forming a temporary network without the aid of any established infrastructure or centralized administration. Infrastructures less...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
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White Papers
Simulated Annealing Algorithm for Data Aggregation Trees in Wireless Sensor Networks
Mar 2012
Wireless sensor networks look like mobile ad hoc networks based on many aspects, but protocols which are used for ad hoc networks, are not suitable for wireless sensor networks. In ad hoc...
Provided by Islamic Azad University
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White Papers
A Pattern Recognition Framework for Embedded Sensor Electronics
Apr 2012
The recent developments in the area of high speed micro-electronics and computational intelligence has opened new opportunities in smart sensor design. In this paper a generic pattern recognition...
Provided by International Journal of Recent Technology and Engineering (IJRTE)
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White Papers
An Unconditionally Secure Key Management Scheme for Large-Scale Heterogeneous Wireless Sensor Networks
Mar 2011
Key establishment in sensor networks becomes a challenging problem because of the resource limitations of the sensors and also due to vulnerability to physical capture of the sensor nodes. In this...
Provided by International Institute of Information Technology
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White Papers
An Identity Based Key Management Scheme in Wireless Sensor Networks
Mar 2011
Pairwise key establishment is one of the fundamental security services in sensor networks which enables sensor nodes in a sensor network to communicate securely with each other using cryptographic...
Provided by Indian Institute of Technology Kharagpur
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White Papers
The Topology of Wireless Communication
Mar 2011
In This Paper the authors topological Properties of Wireless Communication Maps and Their Usability in Algorithmic Design. They consider the SINR Model, Which Compares the Received Power of a...
Provided by Weizmann Institute of Science
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White Papers
An Improved Efficient Key Distribution Mechanism for Large-Scale Heterogeneous Mobile Sensor Networks
Mar 2011
Due to resource constraints of the sensor nodes, traditional public key cryptographic techniques are not feasible in most sensor network architectures. Several symmetric key distribution...
Provided by International Institute of Information Technology
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White Papers
Distributed Inference and Query Processing for RFID Tracking and Monitoring
Feb 2011
In this paper, the authors present the design of a scalable, distributed stream processing system for RFID tracking and monitoring. Since RFID data lacks containment and location information that...
Provided by VLDB Endowment
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White Papers
A Stochastic-Geometry Approach to Coverage in Cellular Networks With Multi-Cell Cooperation
Mar 2011
Multi-cell cooperation is a promising approach for mitigating inter-cell interference in dense cellular networks. Quantifying the performance of multi-cell cooperation is challenging as it...
Provided by Yonsei University
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White Papers
Delay Constrained Throughput Analysis of a Correlated MIMO Wireless Channel
Mar 2011
The maximum traffic arrival rate at the network for a given delay guarantee (delay constrained throughput) has been well studied for wired channels. However, few results are available for wireless...
Provided by Norwegian University of Science and Technology
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White Papers
Optimal Channel Allocation With Dynamic Power Control in Cellular Networks
Mar 2011
Techniques for channel allocation in cellular networks have been an area of intense research interest for many years. An efficient channel allocation scheme can significantly reduce call-blocking...
Provided by University of Windsor
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White Papers
Energy-Optimal Scheduling in Low Duty Cycle Sensor Networks
Mar 2011
Energy consumption of a wireless sensor node mainly depends on the amount of time the node spends in each of the high power active (e.g., transmit, receive) and low power sleep modes. It has been...
Provided by Sabanci University
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White Papers
Replication Attack Mitigations for Static and Mobile WSN
Mar 2011
Security is important for many sensor network applications. Wireless Sensor Networks (WSN) are often deployed in hostile environments as static or mobile, where an adversary can physically capture...
Provided by Anna University
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White Papers
A Dynamic Multimedia User-Weight Classification Scheme for IEEE_802.11 WLANs
Mar 2011
In this paper the authors expose a dynamic traffic-classification scheme to support multimedia applications such as voice and broadband video transmissions over IEEE 802.11 Wireless Local Area...
Provided by Texas A&M University
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White Papers
A Light Weight Protocol to Provide Location Privacy in Wireless Body Area Networks
Mar 2011
Location privacy is one of the major security problems in Wireless Body Area Networks (WBANs). An eavesdropper can keep track of the place and time devices are communicating. To make things even...
Provided by Universite du Quebec a Trois-Rivieres
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White Papers
Link Scheduling in STDMA Wireless Networks: A Line Graph Approach
Dec 2007
A prevalent scheme for spatial reuse in wireless networks is Spatial Time Division Multiple Access (STDMA), in which time is divided into fixed-length slots that are organized cyclically. An STDMA...
Provided by Indian Institute of Technology Bombay
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White Papers
Joint Receiver and Transmitter Optimization for Energy-Efficient CDMA Communications
Dec 2007
This paper focuses on the cross-layer issue of joint multiuser detection and resource allocation for energy efficiency in wireless CDMA networks. In particular, assuming that a linear multiuser...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Opportunistic Relaying in Wireless Networks
Jul 2009
Relay networks having n source-to-destination pairs and m half-duplex relays, all operating in the same frequency band and in the presence of block fading, are analyzed. This setup has attracted...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
On Myopic Sensing for Multi-Channel Opportunistic Access: Structure, Optimality, and Performance
Nov 2008
The authors consider a multi-channel opportunistic communication system where the states of these channels evolve as independent and statistically identical Markov chains (the Gilbert-Elliot...
Provided by University of California
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White Papers
Data-Centric Misbehavior Detection in VANETs
Mar 2011
Detecting misbehavior (such as transmissions of false information) in Vehicular Ad hoc NETworks (VANETs) is very important problem with wide range of implications including safety related and...
Provided by University of Ottawa
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White Papers
A Token Based Approach to Distributed Computation in Sensor Networks
Mar 2011
The authors consider distributed algorithms for data aggregation and function computation in sensor networks. The algorithms perform pairwise computations along edges of an underlying...
Provided by Boston University
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White Papers
Modeling and Analysis of K-Tier Downlink Heterogeneous Cellular Networks
Mar 2011
Cellular networks are in a major transition from a carefully planned set of large tower-mounted BaseStations (BSs) to an irregular deployment of heterogeneous infrastructure elements that often...
Provided by University of Texas
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White Papers
Cooperative Strategies for Interference-Limited Wireless Networks
Mar 2011
Consider the communication of a single-user aided by a nearby relay involved in a large wireless network where the nodes form a homogeneous Poisson point process. Since this network is...
Provided by University of Buenos Aires
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White Papers
Wireless Network Simplification: The Gaussian N-Relay Diamond Network
Mar 2011
The authors consider the Gaussian N-relay diamond network, where a source wants to communicate to a destination node through a layer of N-relay nodes. They investigate the following question: What...
Provided by Middle East Technical University
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White Papers
Adding Network Coding Capabilities to the WSNet Simulator
Mar 2011
The goal is to study the impact of different Network Coding strategies (NC) on end-to-end service delivery over mobile and wireless Disruption-Tolerant Networks (DTNs). To realize this study, in a...
Provided by INRIA
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White Papers
Mean Interference in Hard-Core Wireless Networks
Mar 2011
Matern hard core processes of types I and II are the point processes of choice to model concurrent transmitters in CSMA networks. The authors determine the mean interference observed at a node of...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Generating Functional Analysis for Iterative CDMA Multiuser Detectors
Mar 2011
The authors investigate the detection dynamics of a soft Parallel Interference Canceller (soft-PIC), which includes a hard-PIC as a special case, for CDMA multiuser detection, applied to a...
Provided by Institute of Electrical and Electronics Engineers
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Whitepapers
The philosophy of security
Apr 2011
Many books have been written about security in regards to technology such as how to secure your networking equipment, how to test for vulnerabilities in technologies, how to deploy patches across...
Provided by Hewlett-Packard (HP)
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Whitepapers
Health and Life Sciences Special Edition of HP's "Transforming Your Enterprise" magazine.
Apr 2011
With advancements including the bioscience revolution, electronic health record adoption, health information exchanges and telemedicine, health organizations are driving outcomes with speed,...
Provided by Hewlett-Packard (HP)
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Whitepapers
HIPAA Goes HITECH
Apr 2011
According to a 2008 study by the independent privacy, data-protection and data-security technologies research firm Ponemon Institute, the healthcare industry is among the top three industries most...
Provided by Hewlett-Packard (HP)
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Whitepapers
Managing information effectively: a necessity for healthcare providers
Apr 2011
Many governments are looking to electronic health records as "the cure" for the healthcare sector's woes. But that "cure" is not just about converting paper-based health records to electronic...
Provided by Hewlett-Packard (HP)
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White Papers
Performance Comparisons of Routing Protocols in Mobile Ad Hoc Networks
Feb 2011
Mobile Ad hoc NETwork (MANET) is a collection of wireless mobile nodes that dynamically form a network temporarily without any support of central administration. Moreover, every node in MANET...
Provided by National Engineering College
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White Papers
Downlink SDMA With Limited Feedback in Interference-Limited Wireless Networks
Mar 2011
The tremendous capacity gains promised by Space Division Multiple Access (SDMA) depend critically on the accuracy of the transmit channel state information. In the broadcast channel, even without...
Provided by University of Texas
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White Papers
A Weakest Chain Approach to Assessing the Overall Effectiveness of the 802.11 Wireless Network Security
Mar 2011
This study aims to assess wireless network security holistically and attempts to determine the weakest link among the parts that comprise the 'secure' aspect of the wireless networks: security...
Provided by Istanbul University
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White Papers
Interference Alignment and Degrees of Freedom Region of Cellular Sigma Channel
Mar 2011
The authors investigate the Degrees of Freedom (DoF) region of a cellular network, where the cells can have overlapping areas. Within an overlapping area, the mobile users can access multiple base...
Provided by Iowa State University
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White Papers
Node-Based Optimal Power Control, Routing, and Congestion Control in Wireless Networks
Sep 2007
The authors present a unified analytical framework within which power control, rate allocation, routing, and congestion control for wireless networks can be optimized in a coherent and integrated...
Provided by Yale University
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White Papers
Neighbor Discovery in Wireless Networks: A Multiuser-Detection Approach
Feb 2008
The authors examine the problem of determining which nodes are neighbors of a given one in a wireless network. They consider an unsupervised network operating on a frequency-flat Gaussian channel,...
Provided by Universitat Pompeu Fabra
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White Papers
Minimum Cost Distributed Source Coding Over a Network
Aug 2009
This work considers the problem of transmitting multiple compressible sources over a network at minimum cost. The aim is to find the optimal rates at which the sources should be compressed and the...
Provided by Iowa State University
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White Papers
Fairness Provision in the IEEE 802.11e Infrastructure Basic Service Set
Sep 2007
Most of the deployed IEEE 802.11e Wireless Local Area Networks (WLANs) use infrastructure Basic Service Set (BSS) in which an Access Point (AP) serves as a gateway between wired and wireless...
Provided by University of California
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White Papers
Optimal Traffic Networks
Feb 2008
Inspired by studies on the airports' network and the physical Internet, the authors propose a general model of weighted networks via an optimization principle. The topology of the optimal network...
Provided by Indiana University
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White Papers
Packet Scheduling in Switches
Dec 2010
The problem of packet scheduling for traffic streams with target outflow profiles traversing input queued switches is formulated in this paper. Target outflow profiles specify the desirable...
Provided by Stanford University
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Whitepapers
Modular data centers: providing operational dexterity for anincreasingly complex world
Apr 2011
Business enterprises are facing increasing complexity operating in a world of extremely high levels of interconnection and interdependency. This white paper discusses how CIOs have the opportunity...
Provided by IBM
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Whitepapers
Taming the data demons: leveraging information in the age of risk
Apr 2011
The cost of maintaining and protecting data can run higher than the cost to capture it in the first place. This white paper explores the framework and advantages of a holistic approach to data...
Provided by IBM
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White Papers
Utility Based Video Scheduling for Quality Maximization in 4G WiMAX Wireless Networks
Nov 2011
In this paper, the authors propose a novel utility based algorithm for dynamic frame scheduling of a scalable video stream for video transmission over a 4G OFDMA wireless network. They consider...
Provided by Indian Institute of Technology Kanpur
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White Papers
Rate Partitioning for Optimal Quantization Parameter Selection in H.264 (SVC) Based 4G Broadcast/Multicast Wireless Video Communication
Nov 2011
In this paper, the authors present a novel scheme for video quality maximization in the context of H.264 Scalable Video Coding (SVC) based 4G wireless broadcast and multicast video transmission. A...
Provided by Indian Institute of Technology Kanpur
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White Papers
Hierarchical DWT Based Optimal Diversity Power Allocation for Video Transmission in MIMO Wireless Systems With Quantized Feedback
Aug 2011
In this paper, the authors propose novel algorithms for singular mode diversity order based optimal power allocation for video transmission in Multiple-Input Multiple-Output (MIMO) wireless...
Provided by Indian Institute of Technology Kanpur
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White Papers
Optimal Subcarrier Allocation for H.264 Based Scalable Video Transmission in 4G OFDMA Systems
Sep 2011
In this paper, the authors present a novel scheme for optimal OFDMA subcarrier allocation towards video quality maximization employing the paradigm of H.264 based Scalable Video Coding (SVC). They...
Provided by Indian Institute of Technology Kanpur
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White Papers
Fisher-Information-Matrix Based Analysis of Semiblind MIMO Frequency Selective Channel Estimation
Jun 2011
The authors present a study of Semi-Blind (SB) estimation for a Frequency-Selective (FS) Multiple-Input Multiple-Output (MIMO) wireless channel using a novel Fisher-Information Matrix (FIM) based...
Provided by University of California
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White Papers
Hierarchical DWT Based Optimal Diversity Power Allocation for Video Transmission in 4G OFDMA Wireless Systems
Dec 2011
In this paper, the authors propose novel algorithms for optimal subcarrier power allocation towards video transmission in Orthogonal Frequency Division Multiple Access (OFDMA) based 4G wireless...
Provided by Indian Institute of Technology Kanpur
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White Papers
Optimal Frame Rate Allocation for Unicast and Multicast Wireless Video Communication
Oct 2010
In this paper, the authors consider a paradigm for sum perceptual quality maximization in the context of unicast and multicast video transmission to heterogeneous multimedia wireless clients. The...
Provided by Indian Institute of Technology Kanpur
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White Papers
HS-EM Based Blind MIMO Channel Estimation for Dynamically Scalable JPEG Transmission
Dec 2010
An Expectation-Maximization (EM) based scheme is presented in the context of compressed image transmission for blind Multiple-Input Multiple-Output (MIMO) wireless channel estimation. This...
Provided by Indian Institute of Technology Kanpur
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White Papers
Robust Semi-Blind Estimation for Beamforming Based MIMO Wireless Communication
Aug 2010
In this paper, the authors present robust Semi-Blind (SB) algorithms for the estimation of beamforming vectors for multiple-input multiple-output wireless communication. The transmitted symbol...
Provided by Institute of Electrical & Electronic Engineers
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White Papers
Superimposed Pilots Vs. Conventional Pilots for Channel Estimation
Aug 2010
The authors study two competing pilot symbol based schemes, viz. Superimposed Pilots (SP) and Conventional Pilots (CP) for the estimation of a Single-Input Multiple-Output (SIMO) wireless channel....
Provided by Institute of Electrical & Electronic Engineers
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White Papers
On Demand Local Link Repair Algorithm for AODV Protocol
Dec 2011
MANET (Mobile Ad hoc NETwork) is a wireless self-organized distributed network. This paper gives a general survey of research on local repair of link, if it is broken during communication for...
Provided by International Journal of Computer Applications
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Whitepapers
Collaboration Is the Next Game Changer in Customer Service
May 2012
Today's business leaders are looking for better ways to maintain customer satisfaction and loyalty. A new white paper by ZK Research outlines the advantages of implementing collaboration...
Provided by Cisco Systems, Inc
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White Papers
Robust Range-Free Localization in Wireless Sensor Networks
Jul 2008
In wireless sensor networks, sensors should have some mechanisms to learn their locations since sensed data without associated location information may be meaningless. While many sensor...
Provided by University of Victoria
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White Papers
Expressivity of Time-Varying Graphs and the Power of Waiting in Dynamic Networks
May 2012
In infrastructure-less highly dynamic networks, computing and performing even basic tasks (such as routing and broadcasting) is a very challenging activity due to the fact that connectivity does...
Provided by University of Ottawa
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White Papers
Distributed Computing in Dynamic Networks: Towards a Framework for Automated Analysis of Algorithms
Jan 2012
Besides the complexity in time or in number of messages, a common approach for analyzing distributed algorithms is to look at the assumptions they make on the underlying network. The authors...
Provided by University of Ottawa
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White Papers
Brief Announcement: Waiting in Dynamic Networks
May 2012
The authors consider infrastructure-less highly dynamic networks, where connectivity does not necessarily hold, and the network may actually be disconnected at every time instant. These networks...
Provided by Association for Computing Machinery
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White Papers
Building Fastest Broadcast Trees in Periodically-Varying Graphs
Apr 2012
Delay-Tolerant Networks (DTNs) are characterized by a possible absence of end-to-end communication routes at any instant. Still, connectivity can generally be established over time and space. The...
Provided by University of Ottawa
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White Papers
Time-Varying Graphs and Dynamic Networks
Feb 2012
The past few years have seen intensive research efforts carried out in some apparently unrelated areas of dynamic systems - delay-tolerant networks, opportunistic-mobility networks, social...
Provided by University of Ottawa
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White Papers
Measuring Temporal Lags in Delay-Tolerant Networks
May 2011
Delay-Tolerant Networks (DTNs) are characterized by a possible absence of end-to-end communication routes at any instant. In most cases, however, a form of connectivity can be established over...
Provided by University of Ottawa
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White Papers
On the Temporal Analysis of Scientific Network Evolution
Aug 2011
In this paper, the authors approach the definition of new methodologies for the visualization and the exploration of social networks and their dynamics. They present a recently introduced...
Provided by University of Ottawa
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White Papers
On the Feasibility of Maintenance Algorithms in Dynamic Graphs
Feb 2012
Near ubiquitous mobile computing has led to intense interest in dynamic graph theory. This provides a new and challenging setting for algorithmic and complexity theory. For any graph-based...
Provided by University of Ottawa
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White Papers
Communication Protocols for Vehicular Ad Hoc Networks
Oct 2009
Vehicular networks are envisioned for large scale deployment, and standardization bodies, car manufacturers, and academic researchers are solving a variety of related challenges. After a brief...
Provided by John Wiley & Sons
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White Papers
Deterministic Computations in Time-Varying Graphs: Broadcasting Under Unstructured Mobility
May 2010
Most highly dynamic infrastructure-less networks have in common that the assumption of connectivity does not necessarily hold at a given instant. Still, communication routes can be available...
Provided by University of Ottawa
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White Papers
Characterizing Topological Assumptions of Distributed Algorithms in Dynamic Networks
Jun 2009
Besides the complexity in time or in number of messages, a common approach for analyzing distributed algorithms is to look at their assumptions on the underlying network. This paper focuses on the...
Provided by University of Ottawa
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White Papers
Sensor Network Based Vehicle Classification and License Plate Identification System
Apr 2009
Typically, for energy efficiency and scalability purposes, sensor networks have been used in the context of environmental and traffic monitoring applications in which operations at the sensor...
Provided by University of Cambridge
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White Papers
Radiation Detection and Situation Management by Distributed Sensor Networks
Mar 2009
Detection of radioactive materials in an urban environment usually requires large, portal-monitor-style radiation detectors. However, this may not be a practical solution in many transport...
Provided by West Virginia University
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White Papers
Towards a Reputation-Based Routing Protocol to Contrast Blackholes in a Delay Tolerant Network
Mar 2012
A Delay Tolerant Network (DTN) relies on the implicit assumption that nodes cooperate towards message forwarding. However, this assumption cannot be satisfied when there are malicious nodes acting...
Provided by Reed Elsevier
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White Papers
Secure Cooperation of Autonomous Mobile Sensors Using an Underwater Acoustic Network
Feb 2012
Methodologies and algorithms are presented for the secure cooperation of a team of autonomous mobile underwater sensors, connected through an acoustic communication network, within surveillance...
Provided by University of Pisa
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White Papers
LNT: A Logical Neighbor Tree Secure Group Communication Scheme for Wireless Sensor Networks
Mar 2012
Secure group communication is a paradigm that primarily designates one-to-many communication security. The proposed works relevant to secure group communication have predominantly considered the...
Provided by University of Sfax
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White Papers
RiSeG: A Ring Based Secure Group Communication Protocol for Resource-Constrained Wireless Sensor Networks
Mar 2011
Securing group communication in wireless sensor networks has recently been extensively investigated. Many works have addressed this issue, and they have considered the grouping concept...
Provided by Springer Science+Business Media
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White Papers
On Experimentally Evaluating the Impact of Security on IEEE 802.15.4 Networks
May 2011
IEEE 802.15.4 addresses low-rate wireless personal area networks, enables low power devices, and includes a number of security provisions and options (the security sub-layer). Security competes...
Provided by University of Pisa
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White Papers
LARK: A Lightweight Authenticated ReKeying Scheme for Clustered Wireless Sensor Networks
Jul 2010
Group communication has proven to be a powerful paradigm for designing applications and services in Wireless Sensor Networks (WSNs). Given the tight interaction between WSNs and the physical...
Provided by Association for Computing Machinery
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White Papers
Considerations on Security in ZigBee Networks
Jul 2010
ZigBee outlines a new suite of protocols targeted at low-rate, low-power devices and sensor nodes. ZigBee Specification includes a number of security provisions and options. The security model...
Provided by Institute of Electrical & Electronic Engineers
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White Papers
An Algorithm for Reconnecting Wireless Sensor Network Partitions
Jan 2008
In a Wireless Sensor Network, sensor nodes may fail for several reasons and the network may split into two or more disconnected partitions. This may deteriorate or even nullify the usefulness and...
Provided by Springer Science+Business Media
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White Papers
Decentralized Intrusion Detection for Secure Cooperative Multi - Agent Systems
Aug 2007
In this paper, the authors address the problem of detecting faulty behaviors of cooperative mobile agents. A novel decentralized and scalable architecture that can be adopted to realize a monitor...
Provided by University of Pisa
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White Papers
Practical Defenses Against Pollution Attacks in Intra-Flow Network Coding for Wireless Mesh Networks
Mar 2009
Recent studies show that network coding can provide significant benefits to network protocols, such as increased throughput, reduced network congestion, higher reliability, and lower power...
Provided by Association for Computing Machinery
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White Papers
Improving Server Applications With System Transactions
Apr 2012
Server applications must process requests as quickly as possible. Because some requests depend on earlier requests, there is often a tension between increasing throughput and maintaining the...
Provided by Association for Computing Machinery
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White Papers
Effect of Non-Cooperative Nodes in Mobile DTNs
Apr 2011
When applying delay-tolerant networking concepts to communication in mobile ad-hoc networks formed between mobile users, a general assumption is that users are willing to share own resources to...
Provided by Institute of Electrical & Electronic Engineers
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White Papers
Detecting Failures in Distributed Systems With the FALCON Spy Network
Oct 2011
A common way for a distributed system to tolerate crashes is to explicitly detect them and then recover from them. Interestingly, detection can take much longer than recovery, as a result of many...
Provided by Association for Computing Machinery
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White Papers
Harnessing Frequency Diversity in Wi-Fi Networks
Sep 2011
Wireless multicarrier communication systems transmit data by spreading it over multiple subcarriers and are widely used today owing to their robustness to multipath fading, high spectrum...
Provided by Association for Computing Machinery
