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satellite communications
(193 results)-
Rethink Your Storage With IBM
Data storage is an interesting thing. While it's easy to add more storage with band-aid solutions, before long, you'll need to seriously rethink how you store. For some advice, turn to this white...
Sponsored by IBM Date: Tue, 31 Jan 2012 00:00:00 -0800
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White Papers
"TCP/IP Over Satellite: Optimization Vs. Acceleration"
Apr 2005
Both acceleration and optimization technologies help overcome satellite latency to varying degrees. Due to the nature of TCP transmissions, any performance increases achieved by the various...
Provided by End II End Communications
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White Papers
Integrating Compression Into the TCP Stack, for Enhanced Performance in a Satellite Network
May 2009
Real-time, packet by packet compression was a standard feature in 1st and 2nd generation wireless networks. For these networks, air link resources were scarce and the additional CPU cost of...
Provided by Inmarsat
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White Papers
MPEG-4 Network Migration: Solutions and Benefits
Mar 2008
MPEG-4 is a standard for video compression that allows network operators to dramatically improve digital video bandwidth utilization by roughly twice the comparable MPEG-2 industry benchmark for...
Provided by Motorola
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White Papers
Troubleshoot Network Time Protocol
Nov 2008
This paper provides information on how to troubleshoot common problems with Network Time Protocol (NTP). Network Time Protocol (NTP) is widely used in order to synchronize a computer to Internet...
Provided by Cisco Systems
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White Papers
Enabling IPTV: What's Needed in the Access Network
Apr 2008
Service providers around the globe have begun commercializing triple play services to better compete with cable and satellite operators. While this is helping boost Average Revenue Per User...
Provided by Alcatel-Lucent
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White Papers
GPS/GPRS/GSM Based Mobile Asset Tracking
Jan 2009
Global Positioning Satellites (GPS) enable the tracking of all kinds of mobile assets accurately and provide their real time positions to the owners on a 24 by 7 basis over the GPRS/GSM link....
Provided by Calsoft Labs
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White Papers
Markov Chain, Monte Carlo Global Search and Integration for Bayesian, GPS, Parameter Estimation
Apr 2009
Bayesian estimation techniques are applied to the problem of time and frequency offset estimation for Global Positioning System receivers. The estimation technique employs Markov Chain Monte Carlo...
Provided by University of New South Wales
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White Papers
Simplified Filtering Estimator for Spacecraft Attitude Determination From Phase Information of GPS Signals
Jul 2009
This paper presents an implementation of a simplified filtering estimator for satellite attitude determination using GPS (Global Positioning System) signals. The non-linear system of estimator was...
Provided by International Association of Engineers
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White Papers
Frame and Burst Acquisition in TDMA Satellite Communication Networks With Transponder Hopping
Jul 2009
The paper presents frame and burst acquisition in a satellite communication network based on Time Division Multiple Access (TDMA) in which the transmissions may be carried on different...
Provided by University of Nairobi
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Case Studies
FSM Telecom, Micronesia: Providing Mobile Services to Remote Islands
Apr 2008
In a remote area of the Pacific Ocean lie the Federated States of Micronesia - 607 individual islands and atolls scattered over one million square miles, but with a total land area of only 271...
Provided by ADC
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White Papers
Working Outside the Box: A Study of the Growing Momentum in Telework
Jan 2009
In practice, telework is a continuum, manifested in varying degrees. 'Telecommuters' are sometimes defined as employees who work neither at home nor at a central office, but at a satellite office...
Provided by IBM
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Case Studies
Intelsat Case Study: VSAT-Based Rural Telephony
Jan 2006
Nearly three billion people living in rural areas today are still without basic telephone service. Satellite-based networks are often the simplest and most economical solution for quickly...
Provided by Global VSAT Forum
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White Papers
Architecture of a Satellite-Based Sensor Network for Environmental Observation
May 2008
Sensor webs are a promising technology for future earth science research because of its capability of adaptive observation from a network of in-situ and remote sensors. As important components of...
Provided by University of Southern California (Marshall)
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Case Studies
Case Study - GPS at Disneyland
Jan 2010
Global Positioning System (GPS) receivers and radios are of immense use even at an unassuming place such as an amusement park. This case study discusses how a family with children visited...
Provided by Stone Foundation
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Case Studies
Whole Foods Reduced Costs and Increased Performance and Manageability of Business-Critical Applications With Red Hat Solutions
Jun 2009
Founded in 1980 in Austin, Texas, Whole Foods Market (www.wholefoodsmarket.com) is a leader in the natural and organic foods industry and was America's first national certified organic grocer....
Provided by Red Hat
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Case Studies
Union Bank Reinvents It Environment With Red Hat Enterprise Linux and Jboss Enterprise Middleware
Aug 2009
Union Bank, N.A., headquartered in San Francisco is a full-service commercial bank providing an array of financial services to individuals, small businesses, middle-market companies, and major...
Provided by Red Hat
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Case Studies
Prorail Keeps Trains on the Right Track, Thanks to Red Hat
Nov 2008
ProRail manages the rail infrastructure in the Netherlands and is responsible for the Dutch railway network. ProRail wanted to maintain an uninterrupted rail service by realizing an uptime of 100...
Provided by Red Hat
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Case Studies
Red Hat Enterprise Linux 5 With Virtualization Delivers Increased Performance to Dutch City Council
Jun 2009
The City of Rotterdam, known for its famous harbour and large city council, is located in the Netherlands and boasts over 600,000 inhabitants. The Rotterdam wanted to renew part of the city's IT...
Provided by Red Hat
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Case Studies
Allianz Updates IT Infrastructure With Red Hat Enterprise Linux on IBM System Z and Jboss Enterprise Middleware
Aug 2009
Operating across Australia and New Zealand with approximately 3,300 staff, Allianz Australia Limited offers a wide range of insurance and risk management products. Rebuild Allianz's IT...
Provided by Red Hat
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Case Studies
Brazilian Paint Manufacturer, Tintas Iquine, Migrates From Unix to Red Hat Enterprise Linux to Increase Performance and Improve Security
Nov 2009
Tintas Iquine, a Brazilian paints, coatings, and special resins company, produces more than 1,500 products including; industrial paints, varnish, sealing, resins, pastes. Tintas Iquine wanted to...
Provided by Red Hat
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Case Studies
Verizon Communications Red Hat Innovation Award Winner Optimized Systems
Aug 2009
Verizon Communications Inc., a Dow 30 company, is a global leader in delivering broadband and other wireless and wire line communications services to mass market, business, government and...
Provided by Red Hat
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Case Studies
Odyssey Logistics & Technology Migrates From Unix to Red Hat Enterprise Linux on Intel Xeon Based Servers to Run Mission-Critical Supply Chain Operations
May 2009
Odyssey Logistics & Technology provides global logistics management services to the chemical industry and other process manufacturers. OL&T needed to cost-effectively scale its infrastructure to...
Provided by Red Hat
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Case Studies
Streamlining Systems Management: Red Hat Provides the University of Southern Mississippi With Time-Saving Solution
May 2009
The University of Mississippi, located in Hattiesburg, serves more than 14,000 students and 700 faculty members. Managing close to 80 physical servers with limited technical resources can quickly...
Provided by Red Hat
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Case Studies
Discount Tire Accelerates Its e-Commerce Business With Red Hat Satellite and IBM
Jun 2009
Discount Tire, the world's largest independent tire and wheel retailer has displayed tenacity and a can-do attitude from the day it opened its doors. Discount Tire Company wanted to support the...
Provided by Red Hat
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Case Studies
SPH Search Selects Red Hat Solutions for Reliability and Security to Scale Search Engine's Business Growth
Mar 2009
SPH Search is collaboration between two media powerhouses - Singapore Press Holdings Group (SPH) and Schibsted Group. SPH Search wanted to quickly occupy and dominate the empty space between the...
Provided by Red Hat
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Case Studies
Red Hat Virtualization Delivers Cost Savings and Increased Performance for University of Sydney
Mar 2009
Founded in 1850, the University of Sydney became the first university established in Australia. The University of Sydney wanted A Quick and cost-effectively develops a high-availability platform...
Provided by Red Hat
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Case Studies
Red Hat's Technical Account Management (TAM) Service Helps Autotrader.com Make Smooth Transition to SOA
Feb 2009
AutoTrader.com was launched in 1998 and over the past 10 years has grown into the Internet's leading marketplace and information portal for automotive products and services. The firm wanted to...
Provided by Red Hat
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Case Studies
Red Hat Helps Tribune Interactive Slash Costs and Reduce Time to Market
Jan 2009
As the largest employee-owned media firm in the United States, the Chicago-based Tribune Company operates a broad range of businesses in the print publishing. Media firm wanted to reduce costs and...
Provided by Red Hat
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Case Studies
Red Hat Virtualization and Jboss Help Quam Limited Build Flexible, High-Performance Information Portal
Feb 2009
Quam Limited serves both institutional and retail investors and provides an array of services supporting participation in capital markets and wealth management. The Quam Limited wanted rapid...
Provided by Red Hat
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Case Studies
European Real Estate Listing Company Slashes Energy Use and Operating Costs With Red Hat Virtualization
Jan 2009
ImmobilienScout24.de is one of the most successful real estate listing companies in Europe. ImmobilienScout24.de wanted to dramatically reduce energy use and operating costs while improving...
Provided by Red Hat
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Case Studies
Florida Hospital Enhances I.T. Performance and Patient Care With Red Hat Virtualization Technology and Consulting
Sep 2009
With eight facilities, 18,000 employees, and over 3,000 beds throughout Central Florida, Florida Hospital is the largest hospital and is the second largest employer in the state. They wanted to...
Provided by Red Hat
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White Papers
5 Best Practices for Telling Great Stories - And Why it Will Make You a Better Analyst
Sep 2010
Simple strategies can help you to use storytelling to gain your audience's attention and commitment. Learn how to make your data presentations and reports more interesting, more dynamic and more...
Provided by Tableau Software
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Case Studies
The Challenges of Providing Appropriate GSM Service to the Commercial Maritime Market
Mar 2010
Crew members of commercial ships encounter numerous difficulties in conducting the most basic communication, such as phoning and text messaging with their family and communities around the world....
Provided by Vobal Technologies
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White Papers
Solely EP Based Orbit Control System on Small GEO Satellite
Sep 2007
SGEO offers a highly flexible and modular geostationary platform, able to accommodate a wide range of payloads in the range of 300 kg and 3 kW. SGEO is the first Western satellite relying solely...
Provided by University of Michigan
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White Papers
Taking the Politics Out of Satellite and Space-Based Communications Protocols
Apr 2006
After many years of studies, experimentation, and deployment, large amounts of misinformation and misconceptions remain regarding applicability of various communications protocols for use in...
Provided by NASA
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White Papers
The Best Red Hat Enterprise Linux Experience With Red Hat Enterprise Virtualization and Red Hat Network Satellite
Sep 2010
Building and managing an enterprise environment is a significant undertaking. Most organizations build up their environment over a period of many years, growing in fits and starts - and patching...
Provided by Red Hat
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White Papers
Development of Methodology and Tools for Determining the Impact of Cloud-Cover on Satellite Sensors
Aug 2007
Several studies have addressed the problem of optimizing Field of View (FOV) size and sampling area of infrared sensors with the goal of achieving a higher percentage of cloud-free measurements....
Provided by Bucknell University
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White Papers
Picosatellite Network Design
Feb 2009
A communication system is described for use in ground-to-satellite communication and inter-satellite networking. The network design is centered on the features provided by the Microhard MHX-2400...
Provided by University of Hawai'i
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White Papers
Micro-Navigation Satellite Network Design and Analysis
Oct 2008
Accurate position and orientation data are the bases for successful navigation. This paper design and analyze the micro-navigation satellite network that share orientation information among the...
Provided by Temple University
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Webcasts
Managing the Enterprise With RHN Satellite
May 2010
As a customer of Red Hat Network Satellite, this webcast shows where one will show best practices for managing a growing Linux environment. Sr. Solutions Architect will provide guidance on how to...
Provided by Red Hat
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White Papers
Efficiency of MIMO Configuration and Adaptive Optics Corrections in Free Space Optical Fading Channels
Dec 2009
Free Space Optical (FSO) communications is the only practical candidate for realizing universal network coverage between ground and airborne nodes, satellites, and even moon and other nearby...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
An Off-line Based QoS Routing Scheme for LEO Satellite Networks
Feb 2011
With the development of the space technology, the low performance of the on-board computing becomes a bottleneck of the satellite networks. To solve this problem, the authors proposed a new...
Provided by Academy Publisher
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White Papers
A Novel Routing Algorithm Based on Multi-Objective Optimization for Satellite Networks
Feb 2011
Routing algorithm plays a critical role in determining the performance and reliability of a satellite network. Since the resources in satellite networks are constrained, it is a big challenge to...
Provided by Academy Publisher
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White Papers
Design and Implementation of Small Satellite Flexible Test Bed
Jun 2011
This paper analyzes the character and performance of the synthesized test bed on ground of small satellites. By studying several small satellite systems, the hardware and software architectures of...
Provided by Academy Publisher
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White Papers
Acquisition Performance Analysis of BOC Signal Considering the Code Search Step Size
Jul 2011
The Binary Offset Carrier (BOC) proposed for next generation of Global Navigation Satellite Systems (GNSS) will enhance navigation performance and spectrum compatibility. However, the acquisition...
Provided by Academy Publisher
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White Papers
Performance Analysis of a Patch Antenna Array Feed for a Satellite C-Band Dish Antenna
Nov 2011
This paper proposes a patch antenna array as an alternative feed for dish antennas on board satellites to solve the weight problem constituted by conventional feed horns. An 8x1 linear, C-Band,...
Provided by University of Ilorin
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White Papers
Differential Geometric Approach to Change Detection Using Remotely Sensed Images
Aug 2011
Change Detection using multi-temporal satellite images of same area is an established as well as actively pursued research problem. Most of the change detection techniques use algebraic or...
Provided by Academy Publisher
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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
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White Papers
The Capacity Region of a Class of 3-Receiver Broadcast Channels With Degraded Message Sets
Jun 2009
Korner and Marton established the capacity region for the 2-receiver broadcast channel with degraded message sets. Recent results and conjectures suggest that a straightforward extension of the...
Provided by Institute of Electrical and Electronics Engineers
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Case Studies
Intelsat: Riverbed Steelhead Products Accelerate a Global Sales Force for Satellite Services Provider
Jun 2009
Intelsat is the leading provider of Fixed Satellite Services (FSS) worldwide. Intelsat needed to provide its global workforce with LAN-like application access so that they could enhance customer...
Provided by Riverbed Technology
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White Papers
New Algorithms in Real Time Solution of the Nonlinear Filtering Problem
Mar 2009
It is well known that the filtering theory has important applications in both military and commercial industries. The Kalman - Bucy filter has been used in many areas such as navigational and...
Provided by International Press
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White Papers
Aerial Image Acquisition and Processing for Remote Sensing
Jun 2010
UAV (Unmanned Airborne Vehicle) high resolution digital image acquisition systems based on small format cameras provide a versatile alternative to the solution of environmental monitoring and...
Provided by Universidad Nacional del Sur
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White Papers
Cylindrical Dielectric Resonator Antennas with Harmonic Control as an Active Antenna Radiator
Jan 2009
A cylindrical dielectric resonator antenna is proposed as a radiator for an active integrated antenna. Harmonic tuning, which is the key step in designing active antenna radiators, is achieved via...
Provided by Hindawi Publishing
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White Papers
Flat Array Antennas for Ku-Band Mobile Satellite Terminals
Feb 2009
This paper presents the advances in the development of two innovative flat array antennas for Ku-band mobile satellite terminals. The first antenna is specifically conceived for double-deck trains...
Provided by Hindawi Publishing
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White Papers
Ku Band Hemispherical Fully Electronic Antenna for Aircraft in Flight Entertainment
Mar 2009
The results obtained in the frame of the ESA activity "Advanced Antenna Concepts For Aircraft In Flight Entertainment" are presented. The aim of the activity consists in designing an active...
Provided by Hindawi Publishing
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White Papers
Low Profile Dual-Polarised Antenna for Aeronautical and LandMobile Satcom
Feb 2009
High data rate communications on the move is fastly becoming a major application area for satellite systems using Ku- and higher frequency bands. The ground terminal antenna used in such systems...
Provided by Hindawi Publishing
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White Papers
Comparison of Measured Rain Attenuation in the 12.25-GHz Band with Predictions by the ITU-R Model
Jul 2011
Quantitative analysis and prediction of radio attenuation is necessary in order to improve the reliability of satellite-earth communication links and for economically efficient design. For this...
Provided by Hindawi Publishing
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White Papers
Satellite Media Broadcasting with Adaptive Coding and Modulation
Jul 2009
Adaptive Coding and Modulation (ACM) is a feature incorporated into the DVB-S2 satellite specification, allowing real-time adaptation of transmission parameters according to the link conditions....
Provided by Hindawi Publishing
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White Papers
Video Streaming Transfer in a Smart Satellite Mobile Environment
Jul 2009
Transportation media are becoming "Smart spaces", where sophisticated services are offered to the passengers. The authors concentrate on video streaming provided on buses that move in urban,...
Provided by Hindawi Publishing
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White Papers
Hybrid Terrestrial-Satellite DVB/IP Infrastructure in Overlay Constellations for Triple-Play Services Access in Rural Areas
Feb 2010
This paper discusses the convergence of digital broadcasting and Internet technologies, by elaborating on the design, implementation, and performance evaluation of a hybrid terrestrial/satellite...
Provided by Hindawi Publishing
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White Papers
Network Performance Evaluation of Abis Interface over DVB-S2 in the GSM over Satellite Network
Feb 2010
This paper deals with establishing a GSM link over Satellite. Abis interface, which is defined between Base Transceiver Station (BTS) and Base Station Controller (BSC), in a GSM network is...
Provided by Hindawi Publishing
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White Papers
Space-Based FPGA Radio Receiver Design
Sep 2010
Los Alamos has recently completed the latest in a series of Reconfigurable Software Radios, which incorporates several key innovations in both hardware design and algorithms. Due to the authors'...
Provided by Hindawi Publishing
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White Papers
Peak Tracking Algorithm for Galileo-Based Positioning in Multipath Fading Channels
Jun 2007
Line-Of-Sight (LOS) delay estimation with high accuracy is a pre-requisite for reliable location via satellite systems. The future European satellite positioning system, Galileo, uses...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Performance Improvement of the Tracking System of a Satellite Laser Communication
Jul 2011
Free Space Optics (FSO) is an optical communication technology that uses light propagating in free space to transmit data between two points. The technology is useful where the physical...
Provided by American International University
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White Papers
Characterising Wireless Sensor Motes for Space Applications
Aug 2007
This paper is concerned with application of standard wireless COTS protocols to space. Suitability of commercially available wireless sensor mote kits for communication inside and between...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Performance of a Delay-Tolerant Protocol Over Point-to-Point LEO-Satellite Communication Links: An Experimental Approach
Jun 2007
The performance evaluation of delay-tolerant CFDP is seen in the literatures. In this paper, the authors focus on experimental performance investigation of the delay-tolerant CFDP in the deferred...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Soft Demapping and Iterative Decoding for Satellite Communications
Jun 2007
In this paper an original detection strategy for satellite digital broadcasting communications is defined; particularly, the authors consider the DVB-S2 system, which is proposed as a development...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Current Optical Technologies for Wireless Access
Jun 2009
The objective of this paper is to describe recent activities and investigations on Free-Space Optics (FSO) or optical wireless and the excellent results achieved within SatNEx an EU-framework 6th...
Provided by Northumbria University
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White Papers
An Evaluation of Interference Mitigation Schemes for HAPS Systems
May 2008
The International Telecommunication Union-Radio communication sector (ITU-R) has conducted frequency sharing studies between Fixed Services (FSs) using a High Altitude Platform Station (HAPS) and...
Provided by Hindawi Publishing
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White Papers
Application of Single-Mode Fiber-Coupled Receivers in Optical Satellite to High-Altitude Platform Communications
Feb 2008
In a free-space optical communication system employing fiber-optic components, the phasefront distortions induced by atmospheric turbulence limit the efficiency with which the laser beam is...
Provided by Hindawi Publishing
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White Papers
Is HAPS Viable for the Next-Generation Telecommunication Platform in Korea?
May 2008
HAPS is a promising technology capable of providing broadband multimedia services as an alternative to the satellite communication system or terrestrial network. In this study, economic aspects of...
Provided by Hindawi Publishing
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White Papers
Maximum Likelihood Timing and Carrier Synchronization in Burst-Mode Satellite Transmissions
May 2007
This paper investigates the joint Maximum Likelihood (ML) estimation of the carrier frequency offset, timing error, and carrier phase in burst-mode satellite transmissions over an AWGN channel....
Provided by Hindawi Publishing
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White Papers
Frequency Estimation in Iterative Interference Cancellation Applied to Multibeam Satellite Systems
May 2007
This paper deals with interference cancellation techniques to mitigate cochannel interference on the reverse link of multibeam satellite communication systems. The considered system takes as a...
Provided by Hindawi Publishing
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White Papers
Multi-Satellite MIMO Communications at Ku-Band and Above: Investigations on Spatial Multiplexing for Capacity Improvement and Selection Diversity for Interference Mitigation
May 2007
This paper investigates the applicability of Multiple-Input Multiple-Output (MIMO) technology to satellite communications at the Ku-band and above. After introducing the possible diversity sources...
Provided by National Technical University of Athens
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White Papers
Receiver Design for Wireless Relay Channels With Regenerative Relays
Feb 2007
The authors develop a general framework for design of receivers for the wireless relay channel. They derive the optimum detectors for various degrees of Channel State Information (CSI) at the...
Provided by KTH Royal Institute of Technology
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White Papers
Aerosol Measurements Over South Africa Using Satellite, Sun-Photometer and Lidar
May 2010
In this paper, present the climatological picture of aerosols over South Africa using 20 the authorsyears of Stratosphere Aerosol and Gas Experiment (SAGE-II) satellite, 6-10 years of AErosol...
Provided by World Scientific Publishing
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White Papers
Buffer Occupancy-Based CAC in Converged IP and Broadcasting Networks
Jun 2007
This paper introduces a buffer occupancy -based admission control mechanism aimed to counter link congestion while fairly sharing the bandwidth in converged IP and broadcasting networks. The...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
On-Demand Routing in LEO Satellite Systems
Jun 2007
In this paper, a Location-Assisted On-demand Routing (LAOR) protocol for Low Earth Orbit (LEO) satellite systems is proposed and evaluated. This protocol can be viewed as a variant of the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Performance Study of Bandwidth Allocation Techniques for QoS-Constrained Satellite Networks
Jun 2007
The paper analyzes the performance of the bandwidth allocation process over satellite communication systems in presence of specific Quality of Service (QoS) requirements. The reference allocation...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A Dynamic Service Level Negotiation Mechanism for QoS Provisioning in NGEO Satellite Networks
Jun 2007
Satellite communication systems exhibit important and unique features that qualify them to be an integral part of a global ubiquitous information system. Given the universality of the Internet...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
MPEG-4 Network Migration: Solutions and Benefits
Mar 2008
MPEG-4 is a standard for video compression that allows network operators to dramatically improve digital video bandwidth utilization by roughly twice the comparable MPEG-2 industry benchmark for...
Provided by Motorola
-
White Papers
Troubleshoot Network Time Protocol
Nov 2008
This paper provides information on how to troubleshoot common problems with Network Time Protocol (NTP). Network Time Protocol (NTP) is widely used in order to synchronize a computer to Internet...
Provided by Cisco Systems
-
White Papers
Enabling IPTV: What's Needed in the Access Network
Apr 2008
Service providers around the globe have begun commercializing triple play services to better compete with cable and satellite operators. While this is helping boost Average Revenue Per User...
Provided by Alcatel-Lucent
-
White Papers
GPS/GPRS/GSM Based Mobile Asset Tracking
Jan 2009
Global Positioning Satellites (GPS) enable the tracking of all kinds of mobile assets accurately and provide their real time positions to the owners on a 24 by 7 basis over the GPRS/GSM link....
Provided by Calsoft Labs
-
White Papers
Markov Chain, Monte Carlo Global Search and Integration for Bayesian, GPS, Parameter Estimation
Apr 2009
Bayesian estimation techniques are applied to the problem of time and frequency offset estimation for Global Positioning System receivers. The estimation technique employs Markov Chain Monte Carlo...
Provided by University of New South Wales
-
White Papers
Simplified Filtering Estimator for Spacecraft Attitude Determination From Phase Information of GPS Signals
Jul 2009
This paper presents an implementation of a simplified filtering estimator for satellite attitude determination using GPS (Global Positioning System) signals. The non-linear system of estimator was...
Provided by International Association of Engineers
-
White Papers
Frame and Burst Acquisition in TDMA Satellite Communication Networks With Transponder Hopping
Jul 2009
The paper presents frame and burst acquisition in a satellite communication network based on Time Division Multiple Access (TDMA) in which the transmissions may be carried on different...
Provided by University of Nairobi
-
Case Studies
FSM Telecom, Micronesia: Providing Mobile Services to Remote Islands
Apr 2008
In a remote area of the Pacific Ocean lie the Federated States of Micronesia - 607 individual islands and atolls scattered over one million square miles, but with a total land area of only 271...
Provided by ADC
-
White Papers
Working Outside the Box: A Study of the Growing Momentum in Telework
Jan 2009
In practice, telework is a continuum, manifested in varying degrees. 'Telecommuters' are sometimes defined as employees who work neither at home nor at a central office, but at a satellite office...
Provided by IBM
-
Case Studies
Intelsat Case Study: VSAT-Based Rural Telephony
Jan 2006
Nearly three billion people living in rural areas today are still without basic telephone service. Satellite-based networks are often the simplest and most economical solution for quickly...
Provided by Global VSAT Forum
-
White Papers
Architecture of a Satellite-Based Sensor Network for Environmental Observation
May 2008
Sensor webs are a promising technology for future earth science research because of its capability of adaptive observation from a network of in-situ and remote sensors. As important components of...
Provided by University of Southern California (Marshall)
-
Case Studies
Case Study - GPS at Disneyland
Jan 2010
Global Positioning System (GPS) receivers and radios are of immense use even at an unassuming place such as an amusement park. This case study discusses how a family with children visited...
Provided by Stone Foundation
-
White Papers
Integrating Compression Into the TCP Stack, for Enhanced Performance in a Satellite Network
May 2009
Real-time, packet by packet compression was a standard feature in 1st and 2nd generation wireless networks. For these networks, air link resources were scarce and the additional CPU cost of...
Provided by Inmarsat
-
Case Studies
Whole Foods Reduced Costs and Increased Performance and Manageability of Business-Critical Applications With Red Hat Solutions
Jun 2009
Founded in 1980 in Austin, Texas, Whole Foods Market (www.wholefoodsmarket.com) is a leader in the natural and organic foods industry and was America's first national certified organic grocer....
Provided by Red Hat
-
Case Studies
Union Bank Reinvents It Environment With Red Hat Enterprise Linux and Jboss Enterprise Middleware
Aug 2009
Union Bank, N.A., headquartered in San Francisco is a full-service commercial bank providing an array of financial services to individuals, small businesses, middle-market companies, and major...
Provided by Red Hat
-
Case Studies
Prorail Keeps Trains on the Right Track, Thanks to Red Hat
Nov 2008
ProRail manages the rail infrastructure in the Netherlands and is responsible for the Dutch railway network. ProRail wanted to maintain an uninterrupted rail service by realizing an uptime of 100...
Provided by Red Hat
-
Case Studies
Red Hat Enterprise Linux 5 With Virtualization Delivers Increased Performance to Dutch City Council
Jun 2009
The City of Rotterdam, known for its famous harbour and large city council, is located in the Netherlands and boasts over 600,000 inhabitants. The Rotterdam wanted to renew part of the city's IT...
Provided by Red Hat
-
Case Studies
Allianz Updates IT Infrastructure With Red Hat Enterprise Linux on IBM System Z and Jboss Enterprise Middleware
Aug 2009
Operating across Australia and New Zealand with approximately 3,300 staff, Allianz Australia Limited offers a wide range of insurance and risk management products. Rebuild Allianz's IT...
Provided by Red Hat
-
Case Studies
Brazilian Paint Manufacturer, Tintas Iquine, Migrates From Unix to Red Hat Enterprise Linux to Increase Performance and Improve Security
Nov 2009
Tintas Iquine, a Brazilian paints, coatings, and special resins company, produces more than 1,500 products including; industrial paints, varnish, sealing, resins, pastes. Tintas Iquine wanted to...
Provided by Red Hat
-
Case Studies
Verizon Communications Red Hat Innovation Award Winner Optimized Systems
Aug 2009
Verizon Communications Inc., a Dow 30 company, is a global leader in delivering broadband and other wireless and wire line communications services to mass market, business, government and...
Provided by Red Hat
-
Case Studies
Odyssey Logistics & Technology Migrates From Unix to Red Hat Enterprise Linux on Intel Xeon Based Servers to Run Mission-Critical Supply Chain Operations
May 2009
Odyssey Logistics & Technology provides global logistics management services to the chemical industry and other process manufacturers. OL&T needed to cost-effectively scale its infrastructure to...
Provided by Red Hat
-
Case Studies
Streamlining Systems Management: Red Hat Provides the University of Southern Mississippi With Time-Saving Solution
May 2009
The University of Mississippi, located in Hattiesburg, serves more than 14,000 students and 700 faculty members. Managing close to 80 physical servers with limited technical resources can quickly...
Provided by Red Hat
-
Case Studies
Discount Tire Accelerates Its e-Commerce Business With Red Hat Satellite and IBM
Jun 2009
Discount Tire, the world's largest independent tire and wheel retailer has displayed tenacity and a can-do attitude from the day it opened its doors. Discount Tire Company wanted to support the...
Provided by Red Hat
-
Case Studies
SPH Search Selects Red Hat Solutions for Reliability and Security to Scale Search Engine's Business Growth
Mar 2009
SPH Search is collaboration between two media powerhouses - Singapore Press Holdings Group (SPH) and Schibsted Group. SPH Search wanted to quickly occupy and dominate the empty space between the...
Provided by Red Hat
-
Case Studies
Red Hat Virtualization Delivers Cost Savings and Increased Performance for University of Sydney
Mar 2009
Founded in 1850, the University of Sydney became the first university established in Australia. The University of Sydney wanted A Quick and cost-effectively develops a high-availability platform...
Provided by Red Hat
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Case Studies
Red Hat's Technical Account Management (TAM) Service Helps Autotrader.com Make Smooth Transition to SOA
Feb 2009
AutoTrader.com was launched in 1998 and over the past 10 years has grown into the Internet's leading marketplace and information portal for automotive products and services. The firm wanted to...
Provided by Red Hat
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Case Studies
Red Hat Helps Tribune Interactive Slash Costs and Reduce Time to Market
Jan 2009
As the largest employee-owned media firm in the United States, the Chicago-based Tribune Company operates a broad range of businesses in the print publishing. Media firm wanted to reduce costs and...
Provided by Red Hat
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Case Studies
Red Hat Virtualization and Jboss Help Quam Limited Build Flexible, High-Performance Information Portal
Feb 2009
Quam Limited serves both institutional and retail investors and provides an array of services supporting participation in capital markets and wealth management. The Quam Limited wanted rapid...
Provided by Red Hat
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Case Studies
European Real Estate Listing Company Slashes Energy Use and Operating Costs With Red Hat Virtualization
Jan 2009
ImmobilienScout24.de is one of the most successful real estate listing companies in Europe. ImmobilienScout24.de wanted to dramatically reduce energy use and operating costs while improving...
Provided by Red Hat
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Case Studies
Florida Hospital Enhances I.T. Performance and Patient Care With Red Hat Virtualization Technology and Consulting
Sep 2009
With eight facilities, 18,000 employees, and over 3,000 beds throughout Central Florida, Florida Hospital is the largest hospital and is the second largest employer in the state. They wanted to...
Provided by Red Hat
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White Papers
5 Best Practices for Telling Great Stories - And Why it Will Make You a Better Analyst
Sep 2010
Simple strategies can help you to use storytelling to gain your audience's attention and commitment. Learn how to make your data presentations and reports more interesting, more dynamic and more...
Provided by Tableau Software
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Case Studies
The Challenges of Providing Appropriate GSM Service to the Commercial Maritime Market
Mar 2010
Crew members of commercial ships encounter numerous difficulties in conducting the most basic communication, such as phoning and text messaging with their family and communities around the world....
Provided by Vobal Technologies
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White Papers
Solely EP Based Orbit Control System on Small GEO Satellite
Sep 2007
SGEO offers a highly flexible and modular geostationary platform, able to accommodate a wide range of payloads in the range of 300 kg and 3 kW. SGEO is the first Western satellite relying solely...
Provided by University of Michigan
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White Papers
Taking the Politics Out of Satellite and Space-Based Communications Protocols
Apr 2006
After many years of studies, experimentation, and deployment, large amounts of misinformation and misconceptions remain regarding applicability of various communications protocols for use in...
Provided by NASA
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White Papers
The Best Red Hat Enterprise Linux Experience With Red Hat Enterprise Virtualization and Red Hat Network Satellite
Sep 2010
Building and managing an enterprise environment is a significant undertaking. Most organizations build up their environment over a period of many years, growing in fits and starts - and patching...
Provided by Red Hat
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White Papers
Development of Methodology and Tools for Determining the Impact of Cloud-Cover on Satellite Sensors
Aug 2007
Several studies have addressed the problem of optimizing Field of View (FOV) size and sampling area of infrared sensors with the goal of achieving a higher percentage of cloud-free measurements....
Provided by Bucknell University
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White Papers
Picosatellite Network Design
Feb 2009
A communication system is described for use in ground-to-satellite communication and inter-satellite networking. The network design is centered on the features provided by the Microhard MHX-2400...
Provided by University of Hawai'i
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White Papers
Micro-Navigation Satellite Network Design and Analysis
Oct 2008
Accurate position and orientation data are the bases for successful navigation. This paper design and analyze the micro-navigation satellite network that share orientation information among the...
Provided by Temple University
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Webcasts
Managing the Enterprise With RHN Satellite
May 2010
As a customer of Red Hat Network Satellite, this webcast shows where one will show best practices for managing a growing Linux environment. Sr. Solutions Architect will provide guidance on how to...
Provided by Red Hat
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Webcasts
Discount Tire Accelerates e-Commerce With Red Hat Network Satellite
Mar 2010
Discount Tire, the world's largest independent tire and wheel retailer, needed to support its rapidly growing e-commerce business while keeping costs contained and complying with strict PCI...
Provided by Red Hat
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Power and Cooling Capacity Management for Data Centers
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Rethink Your Storage With IBM
From IBM
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