- Subscribe to this page:
- RSS
- Email Alert
mobile - wireless communications
(59029 results)-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
White Papers
Analysis of Neighbor Knowledge Based BCAST Protocol Performance for Multihop Wireless Ad Hoc Networks
Oct 2011
Reliable group communication is a challenging issue for most Mobile Ad-hoc NETworks (MANETs) due to dynamic nature of wireless mobile nodes, group key establishment and management, ensuring secure...
Provided by University of Rajshahi
-
White Papers
A Novel Solution to the Short Range Bluetooth Communication
Oct 2011
Bluetooth is developed for short range communication. Bluetooth Devices are normally having low power and low cost. This is a wireless communication technology designed to connect phones, laptops...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Extension of Optimized Linked State Routing Protocol for Energy Efficient Applications
Oct 2011
Mobile Ad-hoc NETwork (MANET) is infrastructure less network in which nodes are mobile, self reconfigurable, battery powered. As nodes in MANET are battery powered, energy saving is an important...
Provided by College of Engineering
-
White Papers
An Analytical Analysis of Neighbour and Isolated Node for Geocast Routing in VANET
Oct 2011
Geocasting is a special variant of multicasting, where data packet or message is transmitted to a predefined geographical location i.e., known as geocast region. The applications of geocasting in...
Provided by Jawaharlal Nehru University
-
White Papers
Minimum Process Coordinated Checkpointing Scheme for Ad Hoc Networks
Oct 2011
The Wireless Mobile Ad hoc NETwork (MANET) architecture is one consisting of a set of mobile hosts capable of communicating with each other without the assistance of base stations. This has made...
Provided by Singhania University
-
White Papers
Interference-Aware Channel Assignment for Maximizing Throughput in WMN
Jul 2011
Wireless Mesh Network (WMN) is dynamically self-organizing and self-configured, with the nodes in the network automatically establishing an ad-hoc network and maintaining the mesh connectivity....
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Performance of Iterative LDPC-Based Space-Time Trellis Coded MIMO-OFDM System Over AWGN and Fading Channels
Oct 2011
This paper presents the Bit Error Rate (BER) performance of the Low Density Parity Check (LDPC) based Space-Time Trellis Coded 2×2 Multiple-Input Multiple-Output Orthogonal Frequency-Division...
Provided by University of Rajshahi
-
White Papers
Performance Enhancement of Dynamic Channel Allocation in Cellular Mobile Networks Based on Carrier-to-Noise Interference Ratio
Jun 2011
In cellular mobile communication system the existing dynamic channel allocation scheme suffer from high blocking probability and forced termination probability. To mitigate this problem, in this...
Provided by Islamic University
-
White Papers
Design and Simulation of Circularly Polarized Pentagonal-Shaped Microstrip Patch Antenna at RFID Frequency 2.4 GHZ
Dec 2010
In wireless communication system antennas play an inherent role. In terms of geometrical shapes and implementations microstrip patch antennas are versatile in nature. Characteristics like low gain...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Adaptive and Dynamic Wireless Routers With Smart Antenna for Power Management
Dec 2011
In the recent evolution of wireless technologies, the power management has been a worrying factor. In order to overcome the power shortage, steps are taken to find new kind of energy harvesting...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Mobility Aware Routing Protocol in Ad-Hoc Network
Dec 2011
A Mobile Ad-hoc NETwork (MANET) is a collection of mobile nodes that communicate and collaborate with each other without reliance on any pre-existing infrastructure. In MANETs, wireless links are...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Design of a Scheme for Secure Routing in Mobile Ad Hoc Networks
Dec 2011
Security has become a primary concern in order to provide protected communication between mobile nodes in a hostile environment. Unlike the wireline networks, the unique characteristics of mobile...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Pentagonal Shaped Microstrip Patch Antenna in Wireless Capsule Endoscopy System
Dec 2011
Wireless capsule endoscopy is a best option for exploring inaccessible areas of small intestine for inspection of gastrointestinal tract. This technique brings less pain compare to conventional...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Resource Management for Fading Wireless Channels With Energy Harvesting Nodes
Mar 2011
Wireless systems comprised of rechargeable nodes have a significantly prolonged lifetime and are sustainable. A distinct characteristic of these systems is the fact that the nodes can harvest...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Information Propagation Speed in Bidirectional Vehicular Delay Tolerant Networks
Mar 2011
In this paper, the authors provide an analysis of the information propagation speed in bidirectional vehicular delay tolerant networks on highways. They show that a phase transition occurs...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
PVA in VANETs: Stopped Cars Are Not Silent
Mar 2011
In Vehicular Ad Hoc NETworks (VANETs), the major communication challenge lies in very poor connectivity, which can be caused by sparse or unbalanced traffic. Deploying supporting infrastructure...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Content Downloading in Vehicular Networks: What Really Matters
Mar 2011
Content downloading in vehicular networks is a topic of increasing interest: services based upon it are expected to be hugely popular and investments are planned for wireless roadside...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Intrusion Detection in Wireless Networks Using Selected Features
Sep 2011
Intrusion detection is a process of identifying and responding to malicious activity targeted at computing and networking resources. A wireless IDS is unique in that it detects attacks against the...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Multicast Outage Probability and Transmission Capacity of Multihop Wireless Networks
Jul 2011
Multicast transmission, wherein the same packet must be delivered to multiple receivers, is an important aspect of sensor and tactical networks and has several distinctive traits as opposed to...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
On the Accuracy of the Wyner Model in Cellular Networks
May 2011
The Wyner model has been widely used to model and analyze cellular networks due to its simplicity and analytical tractability. Its key aspects include fixed user locations and the deterministic...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
The Throughput Cost of Information-Theoretic Security in Decentralized Wireless Networks
Dec 2010
This paper studies the throughput of large-scale decentralized wireless networks with information theoretic security constraints. In particular, the authors are interested in the question of how...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Spatial Interference Cancellation for Multi-Antenna Mobile Ad Hoc Networks
Sep 2010
Interference between nodes is a critical impairment in Mobile Ad hoc NETworks (MANETs). This paper studies the role of multiple antennas in mitigating such interference. Specifically, a network is...
Provided by Yonsei University
-
White Papers
A Primer on Spatial Modeling and Analysis in Wireless Networks
Nov 2010
The performance of wireless networks depends critically on their spatial configuration, because received signal power and interference depend critically on the distances between numerous...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Secrecy Transmission Capacity of Decentralized Wireless Networks
Jun 2011
Secure communication over large-scale decentralized wireless networks is an extremely challenging task due to the cost and difficulty in establishing secret keys among all the nodes in a...
Provided by Australian National University
-
White Papers
On the Transmission Capacity of Wireless Multi-Channel Ad Hoc Networks With Local FDMA Scheduling
Oct 2010
The problem of the capacity of multi-channel interference-limited ad hoc networks with local frequency planning is examined in the transmission capacity framework. Bounds on outage and...
Provided by Karlsruhe Institute of Technology (KIT)
-
White Papers
An Overview of the Transmission Capacity of Wireless Networks
Mar 2010
This paper surveys and unifies a number of recent contributions that have collectively developed a metric for decentralized wireless network analysis known as transmission capacity. Although it is...
Provided by University of Texas
-
White Papers
Cooperative Multicast With Low-Cost Radios
Jul 2010
A simple cooperative diversity technique is applied to point-to-multipoint communication in wireless medium suffering from Rayleigh block fading. Such a concept is especially interesting if...
Provided by University of Klagenfurt
-
White Papers
How Does a Faulty Node Disturb Decentralized Slot Synchronization Over Wireless Networks?
Feb 2010
Decentralized synchronization requires cooperation among network participants so that all nodes agree on common reference timing. What happens if one node does not follow local synchronization...
Provided by University of Klagenfurt
-
White Papers
Incremental Cooperative Relaying in Time-Correlated Rayleigh Fading Channels
Jul 2010
Incremental relaying is a communication technique enabling cooperative diversity in wireless networks. The relay forwards a correctly decoded packet only after getting the feedback that the...
Provided by University of Klagenfurt
-
White Papers
On Path Planning Strategies for Networked Unmanned Aerial Vehicles
May 2011
In this paper, the authors compare deterministic and probabilistic path planning strategies for an autonomous Unmanned Aerial Vehicle (UAV) network, where the objective is to explore a given area...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Throughput and Energy Efficiency of Cooperative Diversity With Relay Selection
Feb 2011
Cooperative diversity is a communication technique where a relay node provides signal diversity to the destination by retransmitting the signal received from the source. To find an optimal relay...
Provided by University of Klagenfurt
-
White Papers
Impact of Relay Selection Overhead in Cooperative Diversity Protocols
Jun 2011
Cooperative diversity uses relays to assist source-destination transmissions to reduce link outage rates in multipath fading environments. In this paper, the authors model relay selection as a...
Provided by University of Klagenfurt
-
White Papers
Diversity Schemes in Interference-Limited Wireless Networks With Low-Cost Radios
Jan 2011
The authors investigate the impact of time diversity and space-time diversity schemes on the traffic capacity of large-scale wireless networks with low-cost radios. Especially, they analyze the...
Provided by University of Klagenfurt
-
White Papers
Dynamic Load Balancing With Overlay-Based Reconfiguration for Wireless Sensor Networks
Dec 2009
Wireless sensor networks are characterized by multihop wireless links and resource constrained nodes. In terms of data collection and forwarding scheduling, this paper investigates the load...
Provided by Scientific Research Publishing
-
White Papers
EasiSim: A Scalable Simulator for Wireless Sensor Networks
Dec 2009
Traditional simulators have deficiencies of scalability, thus they are not so efficient in running simulations with large-scale networks. In this paper, the authors present a new simulator, namely...
Provided by Scientific Research Publishing
-
White Papers
A Mobile-Agent-Based Adaptive Data Fusion Algorithm for Multiple Signal Ensembles in Wireless Sensor Networks
Dec 2009
Distributed Compressed Sensing (DCS) is an emerging field that exploits both intra- and inter-signal correlation structures and enables new distributed coding algorithms for multiple signal...
Provided by Scientific Research Publishing
-
White Papers
Target Tracking With QoS Support in Large Wireless Sensor Networks
Dec 2009
Quality of Service (QoS) is important in the application of target tracking in Wireless Sensor Networks (WSNs). When a target appears, it will trigger an event from one or more sensors. A target...
Provided by Scientific Research Publishing
-
White Papers
An Application of Context Middleware Based on Fuzzy Logic for Wireless Sensor Networks
Dec 2009
The research of context-aware computing based on Wireless Sensor Network (WSN) aims at intelligently connecting computers, users, and environment. So its application system should be flexibly...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Mobile Positioning System Based on the Wireless Sensor Network in Buildings
Nov 2009
Established on the Intel Multi-Core Embedded platform, using 802.11 Wireless Network protocols as the communication medium, combining with Radio Frequency-Communication and Ultrasonic Ranging,...
Provided by Scientific Research Publishing
-
White Papers
A Multipath Routing Algorithm Based on Traffic Prediction in Wireless Mesh Networks
Nov 2009
The technology of QoS routing has become a great challenge in Wireless Mesh Networks (WMNs). There exist a lot of literatures on QoS routing in WMNs, but the current algorithms have some...
Provided by Scientific Research Publishing
-
White Papers
A Novel Topology for the Zonal Network With Wireless Coverage
Nov 2009
In this paper, the authors propose a banyan-tree topology for the wireless coverage along the road or railway, which is characterized as a zonal network. Theoretical analysis and numerical studies...
Provided by Scientific Research Publishing
-
White Papers
An Energy-Efficient MAC Protocol for WSNs: Game-Theoretic Constraint Optimization With Multiple Objectives
Nov 2009
In WSNs, energy conservation is the primary goal, while throughput and delay are less important. This results in a tradeoff between performance (e.g., throughput, delay, jitter, and...
Provided by Scientific Research Publishing
-
White Papers
Minimization of Collision in Energy Constrained Wireless Sensor Network
Nov 2009
Wireless Sensor Networks (WSNs) are one of the fastest growing and emerging technologies in the field of Wireless Networking today. The applications of WSNs are extensively spread over areas like...
Provided by Scientific Research Publishing
-
White Papers
Dynamic Hierarchical Communication Paradigm for Wireless Sensor Networks: A Centralized, Energy Efficient Approach
Nov 2009
A Wireless Sensor Network (WSN) consists of a large number of randomly deployed sensor nodes. These sensor nodes organize themselves into a cooperative network and perform the three basic...
Provided by Scientific Research Publishing
-
White Papers
Distributed Video Coding Using LDPC Codes for Wireless Video
Nov 2009
Popular video coding standards like H.264 and MPEG working on the principle of motion-compensated predictive coding demand much of the computational resources at the encoder increasing its...
Provided by Scientific Research Publishing
-
White Papers
AEESPAN: Automata Based Energy Efficient Spanning Tree for Data Aggregation in Wireless Sensor Networks
Nov 2009
In Wireless Sensor Networks (WSNs), sensor nodes are developed densely. They have limit processing capability and low power resources. Thus, energy is one of most important constraints in these...
Provided by Scientific Research Publishing
-
White Papers
Real-Time Automatic ECG Diagnosis Method Dedicated to Pervasive Cardiac Care
Nov 2009
Recent developments of the wireless sensor network will revolutionize the way of remote monitoring in different domains such as smart home and smart care, particularly remote cardiac care. Thus,...
Provided by Scientific Research Publishing
-
White Papers
Modified Ceiling Bounce Model for Computing Path Loss and Delay Spread in Indoor Optical Wireless Systems
Nov 2009
This paper proposes modifications to the tradional Ceiling Bounce Model and uses it to characterize diffuse indoor optical wireless channel by analyzing the effect of transceiver position on...
Provided by Scientific Research Publishing
-
White Papers
Evaluation of Network Stack Optimization Techniques for Wireless Sensor Networks
Nov 2009
The authors present a network stack implementation for a wireless sensor platform based on a byte-level radio. The network stack provides error-correction code, multi-channel capability and...
Provided by Scientific Research Publishing
-
White Papers
An Adaptive Data Aggregation Algorithm in Wireless Sensor Network With Bursty Source
Oct 2009
The Wireless Sensor network is distributed event based systems that differ from conventional communication network. Sensor network has severe energy constraints, redundant low data rate, and...
Provided by Scientific Research Publishing
-
White Papers
Optimal Deployment With Self-Healing Movement Algorithm for Particular Region in Wireless Sensor Network
Oct 2009
Optimizing deployment of sensors with self-healing ability is an efficient way to solve the problems of coverage, connectivity and the dead nodes in WSNs. This work discusses the particular...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Positioning a Node of Wireless Sensor Networks in 3 Dimensional Space
Sep 2009
To know the location of nodes is very important and valuable for Wireless Sensor Networks (WSN), the authors present an improved positioning model (3D-PMWSN) to locate the nodes in WSN. In this...
Provided by Scientific Research Publishing
-
White Papers
Bandwidth Optimization in 802.15.4 Networks Through Evolutionary Slot Assignment
Sep 2009
Traditional Wireless Sensor Networks (WSNs) based on carrier sense methods for channel access suffer from reduced bandwidth utilization, increase energy consumptions and latency problems in...
Provided by Scientific Research Publishing
-
White Papers
Performance of Block Space-Time Code in Wireless Channel Dynamics
Jul 2009
In this paper, the authors observe the behavior of block space-time code in wireless channel dynamics. The block space-time code is optimally constructed in slow fading. The block code in...
Provided by Scientific Research Publishing
-
White Papers
The Utilization of Push Mail in China
May 2009
Push mail is popular to business users in the world. It has been two years since push mail was introduced into China. In order to find out the status of its development and utilization,...
Provided by Scientific Research Publishing
-
White Papers
Incremental Network Programming for Wireless Sensors
Jul 2009
The authors present an incremental network programming mechanism which reprograms wireless sensors quickly by transmitting the incremental changes using the Rsync algorithm; they generate the...
Provided by Scientific Research Publishing
-
White Papers
UWB-Based Localization in Wireless Sensor Networks
Aug 2009
Localization has many important applications in wireless sensor networks, such as object searching and tracking, remote navigation, location based routing etc. The distance measurements have been...
Provided by Scientific Research Publishing
-
White Papers
Centralized Quasi-Static Channel Assignment for Multi-Radio Multi-Channel Wireless Mesh Networks
Jul 2009
Employing multiple channels in wireless multi-hop networks is regarded as an effective approach to increasing network capacity. This paper presents a centralized quasi-static channel assignment...
Provided by Scientific Research Publishing
-
White Papers
Converging Multidomain Services in an IMS Environment for IPTV and 3G Networks
Jun 2011
Convergent service environments are required to deal with current tendency to heterogeneity in network contents and its inherent incorporation of more types of devices demanding services from...
Provided by Universidad Politecnica de Madrid
-
White Papers
Etom Process to Monitor and Corelate IPTV QoS in IMS
Jun 2011
As the network convergence with services for both static and mobile networks has been the principal object of the next generation networks, the recent research focus is converging in the direction...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Comparison and Analysis of Greedy Forwarding Using Bngf Method in Different Vehicular Traffic Scenarios
Jun 2011
A Vehicular Ad hoc NETwork (VANET) is a most popular application of Mobile Ad hoc NETworks (MANETs). A lot of research work around the world is being conducted to design an efficient routing...
Provided by Jawaharlal Nehru University
-
White Papers
Femto Cells: Current Status and Future Directions
Mar 2011
This is a survey paper on the recently developed and rapidly evolving field of femtocells. Quite often, it is noticed that cell-phone signals are strongly attenuated, when indoors, leading to call...
Provided by University of Bridgeport
-
White Papers
New Transmission Scheme for MIMO-OFDM System
Mar 2011
This contribution introduces a new transmission scheme for Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) systems. The new scheme is efficient and suitable...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Privacy for mHealth Presence
Dec 2010
mHealth data provision focuses on providing health services to patients via mobile devices and presence technologies. It has great influence to the healthcare business today, especially in the...
Provided by University of Oxford
-
White Papers
An Efficient Vehicular Communication Outside the City Environments
Dec 2010
Communication network plays an important role in providing safe vehicular movement. The main achievement of VANET is providing comfort and safety for passengers. In addition to that, various...
Provided by MANONMANIAM SUNDARANAR UNIVERSITY
-
White Papers
Modelling RF Power Amplifier to Study Its Non Linear Effects on RF Communication System, With Ber as a Performance Measure
Dec 2010
This paper is a study of non-linear effects of RF Amplifiers on Communication Systems Performance. High speed data communication is made possible by Multilevel Modulation schemes. This paper...
Provided by Indian Institute of Technology Allahabad
-
White Papers
A Simulation Model for the Life-Time of Wireless Sensor Networks
Dec 2011
In this paper, the authors present a model for the lifetime of wireless sensor networks. The model takes into consideration several parameters such as the total number of sensors, network size,...
Provided by University of Bridgeport
-
White Papers
Significant Storage on Sensor Storage Space, Energy Consumption and Better Security Based on Routing in Hybrid Sensor Networks
Dec 2011
WSNs are characterized by limited resources in terms of communication, computation and energy supply. A critical constraint on sensors networks is that sensor nodes employ batteries. A second...
Provided by GITAM UNIVERSITY
-
White Papers
A Wireless Sensor Network for Monitoring Atmospheric Aggressiveness in Metals
Dec 2011
Humid tropical climate favours the existence of a corrosive atmosphere that causes deterioration of metals. This paper describes an automated system for monitoring environmental values...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Z-MAC AN ANALYTICAL MODEL FOR WIRELESS SENSOR NETWORKS
Dec 2011
This paper presents an analytical model for estimating throughput and energy consumption in Z-MAC protocol for Wireless Sensor Networks. The analytical design includes transmission power control...
Provided by Jawaharlal Nehru University
-
White Papers
Impact of Variable Transmission Range on MANET Performance
Dec 2011
Mobile Ad-hoc NETwork (MANET) is generally established in areas where infrastructural facilities such as base station, routers etc. do not exist or have been destroyed due to natural calamity. Due...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Analysis of MANET Routing Protocols Using Random Waypoint Model in DSR
Dec 2011
Mobile Ad hoc Network (MANET) was formed without any existing network, It's allocated dynamically .based on the network model nodes are generated dynamically. In Random Waypoint Model,...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Hybrid Routing Protocols for Ad Hoc Wireless Networks
Dec 2011
An ad hoc wireless network has a dynamic nature that leads to constant changes in its network topology. As a consequence, the routing problem becomes more complex and challengeable, and it...
Provided by Manipal University
-
White Papers
A Dynamic Approach for Anomaly Detection in AODV
Dec 2011
Mobile Ad hoc NETworks (MANETs) are relatively vulnerable to malicious network attacks, and therefore, security is a more significant issue than infrastructure-based wire-less networks. In MANETs,...
Provided by Anna University
-
White Papers
ETX Metric for Extremely Opportunistic Routing to Improve the Performance of Hybrid Wireless Networks
Dec 2011
Mobility in wireless networks has paved way for a new paradigm of communication in this era. Exploiting the optimal routing technique for hybrid wireless networks which brings in a balance of the...
Provided by VIT UNIVERSITY
-
White Papers
Analysis of Query Based Attack in the Delay/Fault Tolerant Mobile Sensor Network
Dec 2011
The Delay/Fault Tolerant Mobile Sensor Network (DFT-MSN) and Mobile Peer To Peer Network (MP2PN) have evolved at a tremendous rate in the last couple of years. As the networks are evolving so is...
Provided by Guru Gobind Singh Indraprastha University
-
White Papers
Design Analysis of Mathematical Model for Collision Affected Environment in Wireless Sensor Network
Sep 2011
In this paper, a mathematical model for collision affected Medium Access Control (MAC) environment has been presented to improve the Network Lifetime (NL). In this model, a network has been...
Provided by Thapar University
-
White Papers
An Quantitative Study on the Impact of N -Tiers in the Performance of Topology Control Algorithms for Wireless Sensor Network S
Sep 2011
Recent years showed a wide range of applications in Wireless Sensor Networks (WSN). For a WSN, Topology Control is crucial to obtain an energy efficient network without affecting the connectivity...
Provided by Sathyabama University
-
White Papers
Clustering Algorithms for Heterogeneous Wireless Sensor Networks - A Brief Survey
Sep 2011
Wireless Sensor Networks (WSN) are emerging in various fields like disaster management, battle field surveillance and border security surveillance. A large number of sensors in these applications...
Provided by Sri Krishna College of Engineering and Technology
-
White Papers
A Review Paper on Cooperative Blackhole and Grayhole Attacks in Mobile Ad Hoc Networks
Sep 2011
This paper presents a review on a major category of coordinated attacks i.e. cooperative blackhole / grayhole attack which are a serious threat to ad hoc network security. In cooperative blackhole...
Provided by Maulana Azad National Institute of Technology
-
White Papers
A New Energy Efficient Approach Towards WASN Routing With Modified QCS Protocol
Aug 2011
In today's world Wireless Ad-hoc sensor network, consists of small sensor nodes having limited resources, has a great potential to solve problems in various domain including disaster management....
Provided by Academy & Industry Research Collaboration Center
-
White Papers
Zone Based Routing Protocol for Homogeneous Wireless Sensor Network
Sep 2011
Wireless Sensor Networks, are made of low-cost, low-power, small in size, and multifunctional sensor nodes. The efficient energy utilization is one of the important performance factors for...
Provided by Banasthali University
-
White Papers
Header Compression Scheme in Point-To-Point Link Model Over Hybrid Satellite Wimax Network
Sep 2011
The demand for anytime-anywhere connectivity has accelerated the emergence of new technologies and integrated networks for better Quality of Service (QoS). With the introduction of IEEE802.16,...
Provided by Universiti Sains Malaysia
-
White Papers
A Study of Bandwidth Measurement Technique in Wireless Mesh Networks
Sep 2011
Wireless Mesh Networks (WMNs) have been proposed as a key technology for next generation wireless networking to provide last-mile broadband access. Here the authors have given their observation...
Provided by Samsung Electronics
-
White Papers
Enhanced Multipath Routing With Congestion Avoidance for 802.11e Based Mobile Adhoc Networks
Sep 2011
IEEE 802.11e Medium Access Control (MAC) proposes Enhanced Distributed Channel Access (EDCA) mechanism to provide Quality of Service to multimedia applications. EDCA gives differentiated treatment...
Provided by Sipnas college of Engineering & Technology
-
White Papers
On Radio Broadcasting in Random Geometric Graphs
Sep 2008
In view of recent technological developments in wireless/mobile communication the abstract model of packet radio networks became very popular and received a lot of attention in the algorithms...
Provided by Springer Science+Business Media
-
White Papers
A Metamodeling Approach for Cross-Layer Optimization: A Framework and Application to Voice Over WiFi
Jun 2011
Cross-layer design has been proposed to optimize the performance of networks by exploiting the interrelations among parameters and procedures at different levels of the protocol stack. This paper...
Provided by Reed Elsevier
-
White Papers
Queue Management Mechanism for 802.11 Base Stations
Jul 2011
This paper presents a novel queue management mechanism for base stations in infrastructure IEEE 802.11 networks. The mechanism is transparent to high-level protocols and is compatible with the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Capacity Improvement and Analysis of VoIP Service in a Cognitive Radio System
Aug 2010
The authors herein analyze the capacity of Voice Over IP (VoIP) and propose a new method for finding the minimum detection and false-alarm probabilities to ensure the Quality-of-Service (QoS)...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Optimization Network Selection for Group Handover in Heterogeneous Vehicular Network
Jan 2012
In this paper, the authors propose a network controlled group handover scheme in heterogeneous vehicular networks, which seeks to not only maximize system throughput but also minimize the system...
Provided by Tongji University
-
White Papers
Theory and Practice of RRC State Transitions in UMTS Networks
Jul 2009
3GPP has been enhancing UMTS networks by issuing new standard releases recurrently. However, the RRC state transition model has remained rather unchanged through several releases, namely, Rel. 99,...
Provided by VTT
-
White Papers
A Low-Complexity Resource Allocation Algorithm for MIMO-OFDMA Multicast Systems With Spectrum-Guarantee Provisioning
Nov 2011
This paper studies the important problem of resource allocation for the down-link of Multiple-Input Multiple-Output (MIMO) Multicast Wireless Systems operating over frequency-selective channels....
Provided by University of Patras
-
White Papers
Subcarrier, Bit and Time Slot Allocation for Multicast Precoded OFDM Systems
May 2010
The conventional resource allocation method in multicast OFDM systems adapts the physical layer to the worst user link conditions. In this paper, the authors propose new sub-carrier, bit and time...
Provided by Institute of Electronics and Telecommunications Rennes
-
White Papers
QoS and Terminal Power-Aware Resource Allocation for Real-Time Traffic in e-MBMS System
Nov 2011
This paper studies the issue of resource allocation of real-time traffic based on Quality of Service (QoS) and terminal power consumption in enhanced Multimedia Broadcast/Multicast Service...
Provided by University of Science and Technology of China
-
White Papers
Sentry Selection in Sensor Networks: Theory and Algorithms
Dec 2011
The authors study the geometric aspects of the sentry selection problem for a sensor network with randomly distributed sensors each of which covers a small disc. The problem is to partition the...
Provided by University of Memphis
-
White Papers
Percolation in the Secrecy Graph
Jul 2011
Secrecy graphs model the connectivity of wireless networks under secrecy constraints. Directed edges in the graph are present whenever a node can talk to another node securely in the presence of...
Provided by University of Notre Dame
-
White Papers
The Local Delay in Poisson Networks
Jun 2011
Communication between two neighboring nodes is a very basic operation in wireless networks. Yet very little research has focused on the local delay in networks with randomly placed nodes, defined...
Provided by University of Notre Dame
-
White Papers
Random Power Control in Poisson Networks
Oct 2011
This paper studies power control strategies in interference-limited wireless networks with Poisson distributed nodes. The authors concentrate on two sets of strategies: Single-Node Optimal Power...
Provided by University of Notre Dame
Keep Up with TechRepublic
Submit a Paper
Get your content listed in our directory!
Our directory is the largest library of vendor-supplied technical content on the Web. It’s also the first place IT decision makers turn to when researching technology solutions. Our members are already finding your competitors’ papers here - shouldn’t they find yours, too? It's FREE so click here and submit your white paper, case study, data sheet, research report, or other document today!
