Latest Space News
Thu, 8 Dec 2016 07:04:00 +0100
Cobham's high reliability motion control solutions and radiation hardened (RadHard) microelectronics have launched aboard NOAA's Geostationary Operational Environmental Satellite - R Series (GOES-R) spacecraft. GOES-R is the next generation of geosynchronous environmental satellites intended to provide atmospheric measurements for weather forecasting, severe storm tracking, and space weather monitoring. Cobham Integrated Electronic Solutions contributed motion control products along with Cobha...
Thu, 8 Dec 2016 02:10:00 +0100
Boeing's [NYSE: BA] eighth Wideband Global SATCOM (WGS) satellite will provide nearly twice as much communications bandwidth as previous WGS satellites due to an upgraded digital payload. Using leading commercial digital circuit technology, the newly upgraded satellite will aid in fulfilling the increasing demand for high-data rate communications of warfighters around the globe. "Not only does WGS-8's cutting edge digital payload nearly double the satellite's bandwidth, but the U.S. governmen...
Wed, 7 Dec 2016 16:39:00 +0100
ESA and NASA are extending their collaboration in human space exploration following confirmation that Europe will supply a second Service Module to support the first crewed mission of the Orion spacecraft. The Service Module provides propulsion, electrical power, water and thermal control as well as maintaining the oxygen and nitrogen atmosphere for the crew. The mission is set for launch from NASA's Kennedy Space Center in Florida, USA, as early as 2021 and will include up to four astrona...
Wed, 7 Dec 2016 12:00:00 +0100
Analysis of a giant new galaxy survey, made with ESO's VLT Survey Telescope in Chile, suggests that dark matter may be less dense and more smoothly distributed throughout space than previously thought. An international team used data from the Kilo Degree Survey (KiDS) to study how the light from about 15 million distant galaxies was affected by the gravitational influence of matter on the largest scales in the Universe. The results appear to be in disagreement with earlier results from the Planc...
Tue, 6 Dec 2016 22:18:00 +0100
NASA has selected a first-of-its-kind Earth science mission that will extend our nation's lead in measuring key greenhouse gases and vegetation health from space to advance our understanding of Earth's natural exchanges of carbon between the land, atmosphere and ocean. The primary goals of the Geostationary Carbon Cycle Observatory (GeoCARB), led by Berrien Moore of the University of Oklahoma in Norman, are to monitor plant health and vegetation stress throughout the Americas, and to probe, i...
Tue, 6 Dec 2016 20:00:00 +0100
Lockheed Martin's (NYSE: LMT) newly upgraded Space Based Infrared System (SBIRS) ground system received sign-off from the U.S. Air Force, enhancing the constellation's ability to deliver infrared data that is critical to early missile warning and defense. The new SBIRS ground system serves as the nerve center for the constellation, collecting large amounts of data from the satellite's powerful sensors and converting it into actionable reports for defense, intelligence and civil applications....
Mon, 5 Dec 2016 22:23:00 +0100
NASA has awarded the Restore-L Spacecraft Bus and Support Services contract to Space Systems/Loral of Palo Alto, California. Restore-L is a robotic spacecraft equipped with the tools, technologies and techniques needed to service satellites currently in orbit. The contract has a firm-fixed-price and includes a three-year core period and a two-year indefinite-delivery/indefinite-quantity portion. The total maximum value of the contract is $127 million. Space Systems/Loral will provide space...
Mon, 5 Dec 2016 16:07:00 +0100
Arianespace today launched a Vega rocket on a commercial mission to deliver a Turkish Earth observation satellite into orbit. Liftoff of Vega's eighth flawless mission from Europe's Spaceport in Kourou, French Guiana came at 13:51 GMT on 5 December (14:51 CET; 10:51 local time). With a mass at liftoff of 1060 kg, Gokturk-1 was manoeuvred into its target Sun-synchronous orbit about 57 minutes into the mission after a series of burns of Vega's upper stage. Complying with debris regulation...
Sat, 3 Dec 2016 12:00:00 +0100
Our new spaceship, VSS Unity, has successfully completed its first free flight! Today's important test flight marks the first time that a vehicle built by our sister organization, The Spaceship Company, has flown fully under its own control. Today, VSS Unity was piloted by Mark Stucky and Dave Mackay, with pilots Mike Masucci and Todd Ericsson as well as flight test engineer Dustin Mosher in WhiteKnightTwo. Over the course of the 1 hour 20 minute flight-particularly the 10 minutes of free fli...
Fri, 2 Dec 2016 13:00:00 +0100
Cubic Corporation ( NYSE: CUB ), today announced that its subsidiary GATR Technologies (GATR), which operates within the Cubic Mission Solutions (CMS) business division, received the Most Innovative New Product (MIP) Award in the Defense, Transportation and Cybersecurity category at the 2016 CONNECT MIP Awards that took place at an awards ceremony on Dec. 1, in San Diego. In its 29 th year, the annual awards program continues its tradition of honoring San Diego's leaders of innovation and ground...
Thu, 1 Dec 2016 23:21:00 +0100
The Russian space agency Roscosmos has confirmed a Progress cargo resupply spacecraft bound for the International Space Station has been lost. The spacecraft launched from the Baikonur Cosmodrome in Kazakhstan Thursday on a Soyuz rocket, but experienced an anomaly around six and a half minutes into its flight. Six crew members living aboard the space station are safe and have been informed of the mission's status. Both the Russian and U.S. segments of the station continue to operate normally ...
Thu, 1 Dec 2016 19:53:00 +0100
A contract to build a laboratory at NASA Langley Research Center in Hampton, Virginia, has been awarded to W.M. Jordan Co. in Newport News by the U.S. General Services Administration (GSA). The $95.6-million agreement is for construction of the Measurement Systems Laboratory, which is scheduled for completion in late 2019. The contract is the largest awarded for NASA Langley in recent history. The 175,000-square-foot lab will be the biggest of the new facilities built so far as part of NASA L...
Thu, 1 Dec 2016 16:07:00 +0100
Lockheed Martin (NYSE: LMT) has completed a major upgrade to modernize the current ground control system of the U.S. Air Force's Global Positioning System (GPS) satellite constellation. The Commercial Off-the-Shelf (COTS) Upgrade #2 (CUP2) project is the latest step in the Air Force's multi-year plan to refresh technology and transform the legacy Operational Control Segment - known as the Architecture Evolution Plan (AEP) -- into a modern, high-performance command and control system. On Octob...
Wed, 30 Nov 2016 13:29:00 +0100
LeoSat Enterprises, which is launching a constellation of up to 108 low-earth-orbit communications satellites, has entered into a strategic agreement with the Globalsat Group, the leading Pan-American satellite services provider, to market the fastest, most secure and widest coverage HTS data network in the world. The Globalsat Group is an award-winning industry leader delivering mission-critical, voice, data and M2M/IoT solutions. Through this agreement, LeoSat will provide the Globalsat Gro...
Wed, 30 Nov 2016 13:00:00 +0100
Cubic Corporation (NYSE: CUB) today announced the acquisition of Vocality International, a leading provider of embedded technology that unifies communications platforms, enhances voice quality, increases video performance and optimizes data throughput. The addition of Vocality, which is headquartered in Shackleford, United Kingdom, further expands Cubic Mission Solutions' (CMS) portfolio in Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance (C4ISR) for sec...
Wed, 30 Nov 2016 12:00:00 +0100
By studying the light emitted from an extraordinarily dense and strongly magnetised neutron star using ESO's Very Large Telescope, astronomers may have found the first observational indications of a strange quantum effect, first predicted in the 1930s. The polarisation of the observed light suggests that the empty space around the neutron star is subject to a quantum effect known as vacuum birefringence. A team led by Roberto Mignani from INAF Milan (Italy) and from the University of Zielona ...
Wed, 30 Nov 2016 08:25:00 +0100
The eighth Vega lightweight launcher to be operated from the Spaceport in French Guiana has been fully assembled and “topped off” with the GÖKTÜRK-1 optical satellite payload, readying it for Arianespace’s mission to Sun-synchronous orbit on December 5. Designated Flight VV08 in Arianespace’s numbering system, this Vega launch is to deploy GÖKTÜRK-1 during a mission lasting just under two hours. With Vega now in full commercial operation, Fligh...
Wed, 30 Nov 2016 00:00:00 +0100
Following a competitive bidding process, Safran Electronics & Defense, the European leader in navigation systems, was selected by Airbus Safran Launchers to supply the SpaceNaute inertial reference system for Ariane 6, the new-generation launch vehicle now being developed for the European Space Agency (ESA). The first systems will be delivered in time for the first Ariane 6 launch, scheduled for 2020. Safran Electronics & Defense will ramp-up production to sustain an annual rate of 11 launche...
Tue, 29 Nov 2016 14:51:00 +0100
Orbital ATK (NYSE: OA), a global leader in aerospace and defense technologies, today announced that it has begun a public-private partnership with NASA's Space Technology Mission Directorate (STMD) to establish a Commercial Infrastructure for Robotic Assembly and Services (CIRAS) in space. The CIRAS program will advance key technologies for in-orbit manufacturing and assembly of large space structures that will help the agency meet its goals for robotic and human exploration of the solar system....
Tue, 29 Nov 2016 11:30:00 +0100
ESA's new ExoMars orbiter has tested its suite of instruments in orbit for the first time, hinting at a great potential for future observations. The Trace Gas Orbiter, or TGO, a joint endeavour between ESA and Roscosmos, arrived at Mars on 19 October. Its elliptical orbit takes it from 230-310 km above the surface to around 98 000 km every 4.2 days. It spent the last two orbits during 20-28 November testing its four science instruments for the first time since arrival, and making important...
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    Personal information
     Name:<withheld>
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    Candidate Profile
     Date Submitted:18-02-2012
     Last Modified:21-02-2012 (05:42)
    Job information
     Current job:Research Assistant
     Employment Term:Permanent
     Job location:US only
     Date available:within 2 months
     Industry:Civil Agencies/International Organizations
     Keywordswireless networking, wireless video streaming, compressed sensing (CS), convex optimization, cooperative communications, wireless multimedia sensor networks (WMSN), wireless sensor networks (WSN), internet of things (IoT), distortion based networking, cro
    CV

    OBJECTIVE
    Full-time position that allows for advanced research in electrical and computer engineering in the field of wireless networking and communications.

    AVAILABILITY
    Start time is negotiable, but preferably April 2012

    CITIZENSHIP USA

    RESEARCH INTERESTS
    wireless networking, wireless video streaming, compressed sensing (CS), convex optimization, cooperative communications, wireless multimedia sensor networks (WMSN), wireless sensor networks (WSN), internet of things (IoT), distortion based networking, cross-layer design, wireless routing protocols, wireless MAC protocols

    EDUCATION
    The State University of New York (SUNY) University at Buffalo, Buffalo, NY
    -Ph.D., Electrical Engineering, Expected May 2012 GPA: 3.87 (4.0 scale)
    -Dissertation Topic: Relay Assisted Compressive Video Sampling in Wireless Multimedia Sensor Networks
    -Adviser: Professor Tommaso Melodia
    -Area of Study: Wireless Networking and Communications
    -M.S., Electrical Engineering, May 2010 -GPA: 3.83 (4.0 scale)
    -Qualifying Exam Score: 68/70 (December 2010)
    -Adviser: Professor Tommaso Melodia
    -Area of Study: Wireless Networking and Communications Rochester Institute of Technology, Rochester, NY
    -B.S., Electrical Engineering, June 2008
    -GPA: 3.62 (4.0 scale)
    -High Honors

    RESEARCH EXPERIENCE
    Research Assistant August 2008 - present
    -Wireless Networks and Embedded Systems Laboratory,
    -Department of Electrical Engineering,
    -State University of New York (SUNY) University at Buffalo
    -Supervisor: Professor Tommaso Melodia
    -Major Projects
    --Relay-Assisted Compressive Video Sensing (RA-CVS)
    ---Design a system that uses compressive imaging properties and compressed sensing error correction properties in a cooperative communications system to transmit video over wireless multimedia sensor networks.
    ---Implement both proposed schemes and traditional schemes on USRP2 software defined radio test bed (ongoing).
    --Compressive Video Sensing (CVS)
    ---Design a video encoder based on compressed sensing that takes advantage of both spatial and temporal correlation without the need for motion vectors.
    ---Design an adaptive parity scheme to compensate for channel errors, and compare performance with RCPC forward error correction encoding.
    --Distortion Minimizing Rate Control (DMRC)
    ---Design a transport layer rate controller suitable for video transmission over wireless multimedia sensor networks.
    ---Extend the rate controller for compressive video sensing encoded video streams (C-DMRC).
    ---Use convex optimization techniques to prove C-DMRC solves a utility maximization problem with the sum of the received video quality as the utility function.

    Research Assistant / Network Engineer November 2006 - August 2008
    -Lab for Wireless Networking and Security,
    -Golisano College of Computing and Information Sciences | Networking, Security, and Systems Administration,
    -Rochester Institute of Technology
    -Major Projects
    --Reactive Multi-Meshed Tree Routing (RMMT)
    ---Design a reactive multi-meshed tree routing protocol for communication between multiple clusters and implement protocol using OPNET modeler.
    --Medium Access Control (MAC) for Airborne Networks using Directional Antennas
    ---Design a MAC that takes advantage of reuse opportunities provides by highly directional antennas.

    JOURNAL PUBLICATIONS
    S. Pudlewski, T. Melodia, A. Prasanna "Compressed-Sensing-Enabled Video Streaming for Wireless Multimedia Sensor Networks," to appear in IEEE Transactions on Mobile Computing 2011.
    S. Pudlewski, T. Melodia, "A Distortion-minimizing Rate Controller for Wireless Multimedia Sensor Networks," Computer Communications (Elsevier), Vol. 33, no. 12, pp. 1380-1390, July 2010.
    T. Melodia, S. Pudlewski, "A Case for Compressive Video Streaming in Wireless Multimedia Sensor Networks," IEEE COMSOC MMTC E-Letter, Vol. 4, No. 9, October 2009.

    SUBMITTED JOURNAL PUBLICATIONS
    S. Pudlewski, T. Melodia, "A Tutorial on Encoding and Wireless Transmission of Compressively Sampled Videos," submitted for publication in IEEE Communications Surveys & Tutorials 2011.
    S. Pudlewski, T. Melodia, "A Rate-Energy-Distortion Analysis for Compressive Video Streaming on Multimedia Sensors" submitted for publication in IEEE Transactions on Multimedia.

    CONFERENCE PUBLICATIONS
    S. Pudlewski, T. Melodia,"A Rate-Energy-Distortion Analysis for Compressed-Sensing-Enabled Wireless Video Streaming on Multimedia Sensors," in Proc. of IEEE Global Communications Conference (GLOBECOM), Houston, Texas, USA, December 2011.
    S. Pudlewski, T. Melodia, "C-DMRC: Compressive Distortion-Minimizing Rate Control for Wireless Multimedia Sensor Networks," in Proc. Of IEEE Intl. Conf. on Sensor, Mesh and Ad Hoc Communications and Networks (SECON), Boston, Massachusetts, June 2010.
    S. Pudlewski, T. Melodia, "On the Performance of Compressive Video Streaming for Wireless Multimedia Sensor Networks," in Proc. of IEEE Intl. Conf. on Communications (ICC),Cape Town,South Africa, May 2010.
    S. Pudlewski, A. Prasanna, T. Melodia, “"Resilient Image Sensor Networks in Lossy Channels Using Compressed Sensing," in Proc. Of IEEE Intl. Workshop on Information Quality and Quality of Service for Pervasive Computing (IQ2S) , Mannheim, Germany, March 2010. S. Pudlewski, T. Melodia, "DMRC: Distortion-minimizing Rate Control for Wireless Multimedia Sensor Networks," in Proc. of IEEE Intl. Conf. on Mobile Ad Hoc And Sensor Systems (MASS), Macau, China, October 2009.
    L. Ding, S. Pudlewski, T. Melodia, S. Batalama, J. Matyjas, M. Medley, "Distributed Spectrum Sharing for Video Streaming in Cognitive Radio Ad Hoc Networks," in Proc. of Intl. Workshop on Cross-layer Design in Wireless Mobile Ad Hoc Networks, Niagara Falls, Canada, September 2009.
    S. Pudlewski, N. Shenoy, Y. Al-Mousa, Y. Pan, J. Fischer, "A Hybrid Multi Meshed Tree Routing Protocol for Wireless Ad Hoc Networks," in Proc. Of IEEE Intl. Conf. on Mobile Ad Hoc And Sensor Systems (MASS), Atlanta, Georgia, USA, September 2008.

    PAPERS IN PREPARATION
    S. Pudlewski, T. Melodia, "RA-CVS: Cooperating to Stream Compressively Sampled Videos," March 2012.

    BOOK CHAPTERS IN PREPARATION
    S. Pudlewski, T. Melodia, "Compressive Video Sensing" in Intelligent Sensor Networks: Across Sensing, Signal Processing, and Machine Learning, Eds. Fei Hu, Qi Hao.

    REFEREE SERVICE
    -IEEE Communications Surveys & Tutorials
    -IEEE Journal on Selected Areas in Communications (JSAC)
    -IEEE Transactions on Mobile Computing (TMC)
    -IEEE Transactions on Vehicular Technology (TVT)
    -European Transactions on Telecommunications (ETT)
    -Ad Hoc Networks (Elsevier)
    -Computer Networks (Elsevier)
    -Journal of Sensors (Hindawi)
    -Ad Hoc & Sensor Wireless Networks (AHSWN)
    -IEEE Global Communications Conference (GLOBECOM) 2008, 2009, 2010, 2011
    -IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS) 2009, 2010, 2011
    -IEEE International Conference on Communication Technology (ICCT) 2011
    -Military Communications Conference (MILCOM) 2011
    -IEEE Workshop on Internet of Things Technology and Architectures (IoTech) 2011
    -European Conference on Wireless Sensor Networks (EWSN) 2011
    -IEEE International Conference on Computer Communications (INFOCOM) 2011, 2012

    PROFESSIONAL EXPERIENCE
    Vocal Technologies, Buffalo, NY May 2010 - August 2010
    -Intern
    -Supervisor: JohnBlume
    -Major Projects
    --Built a basic implementation of the GPSR compressed sensing reconstruction algorithm using C.
    --Studied possible cryptography uses of compressed sensing.

    Air Force Research Laboratory (RIGF), Rome, NY July 2009 - August 2009
    -Intern -Supervisor: Dr. John Matyjas
    -Major Projects
    --Video Simulation using OPNET
    --Design a system that transmits real (H.264, MJPEG) video traces using OP-NET Modeler.
    --Incorporate real airborne channel models into OPNET and test received video quality using multiple routing algorithms.

    Spectracom Corp, Rochester, NY November 2006 - August 2008
    -Network Engineer (Intern)
    -Supervisor: John Fischer
    -Major Projects
    --Mesh Network Design and Simulation
    --Design and simulate network protocols using OPNET Modeler.
    --Designed test scenarios for simulation.
    --Help design, test, and improve new network protocols.

    Philips Lighting CO, Bath, NY June 2005 - August 2005
    -Intern
    -Major Projects
    --Test electrical characteristic of lamps over lifetime.
    --Maintain ballasts.
    --Assist engineers in new lamp test and development.

    SOFTWARE SKILLS
    -Computer Programming: MATLAB, C, C++, Python, TCL, UNIX shell scripting.
    -Embedded and Real-time Systems: Software defined radio implementation using USRP2 and GNURadio.
    -Wired and Wireless Network Simulation: ns-2, ns-3, OPNET
    -MATLAB skill set: Wireless channel simulations, linear algebra, Fourier transforms, wavelet transform, CVX, image and video processing, compressed sensing implementation
    -Productivity Applications: TEX (LATEX and BIBTEX), Microsoft Office (Excel, Word, Access, Visio, PowerPoint, OneNote, Outlook), OpenOffice, Gimp, XFig, other common productivity packages (for Windows and Linux platforms)

    EXPERTISE
    -Networking, Communications and Signal Processing:
    --Compressed Sensing, Wireless Sensor Networks, Multimedia Sensor Networks, Video Encoding, Distortion Based Networking, Network Modeling, Network Utility Maximization, Routing Protocols, MAC protocols, Cooperative Communications.
    -Modeling and Simulation:
    --Multimedia Network Simulation, Channel Model Simulation, Wireless Network Simulation (OPNET, ns-2, ns-3).
    -Mathematics:
    --Convex Optimization, Linear Programming, Real Analysis, Network Modeling.

    REFERENCES Available upon request.


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