Latest Space News
Wed, 22 Feb 2017 08:31:00 +0100
Arianespace’s third flight of 2017 is moving into the final phase of preparations, with the lightweight Vega launcher’s basic assembly completed and its Sentinel-2B Earth observation satellite encapsulated for liftoff on March 6 from the Spaceport in French Guiana. Underscoring the versatility of Arianespace’s launcher family, this flight follows year-opening missions with the company’s other two launch vehicles: performed February 14 with the heavy-lift Ariane 5 to ...
Tue, 21 Feb 2017 08:33:00 +0100
Rome -  The Nasa SAGE (Stratospheric Aerosol and Gas Experiment) observation instrument that uses the Hexapod Pointing System produced by  Thales Alenia Space on behalf of the European Space Agency (ESA) was launched yesterday from the Kennedy Space Center launch pad by means of the Falcon9 launcher with the Space X Dragon capsule. SAGE III is a NASA instrument produced as part of the EOS (Earth Observing System) programme to measure the components of the Earth’s atmosphere, such as pres...
Tue, 21 Feb 2017 02:00:00 +0100
Boeing [NYSE: BA] will build a 702 satellite to expand communication for mobile telephone, data and internet users throughout the Asia-Pacific region. The satellite, owned and operated by SKY Perfect JSAT Corporation and Kacific Broadband Satellites, has two distinct payloads. The JCSAT-18 payload will improve mobile and broadband services for SKY Perfect JSAT Corporation customers in Asia Pacific including Far East Russia. The Kacific-1 payload for Kacific Broadband Satellites will provide h...
Sun, 19 Feb 2017 17:34:00 +0100
Major experiments that will look into a range of scientific disciplines from human health to atmospheric conditions on Earth are on their way to the International Space Station following liftoff at 9:39 a.m. EST aboard a SpaceX Falcon 9 rocket. About 5,500 pounds of research equipment, cargo and supplies are packed into the SpaceX Dragon spacecraft that is now in Earth orbit and headed to the station on the CRS-10 mission. SpaceX's Dragon cargo craft launched from Launch Complex 39A at NASA's...
Fri, 17 Feb 2017 17:00:00 +0100
NASA's Juno mission to Jupiter, which has been in orbit around the gas giant since July 4, 2016, will remain in its current 53-day orbit for the remainder of the mission. This will allow Juno to accomplish its science goals, while avoiding the risk of a previously-planned engine firing that would have reduced the spacecraft's orbital period to 14 days. "Juno is healthy, its science instruments are fully operational, and the data and images we've received are nothing short of amazing," said Th...
Fri, 17 Feb 2017 16:34:00 +0100
Tomorrow, a Space-X Dragon cargo ferry will be launched to the International Space Station packed with supplies, experiments, tools and food for the six astronauts living and working high above Earth. In the unpressurised cargo hold is a new NASA sensor that will monitor our atmosphere with a helping hand from ESA. The Space Station flies 400 km above our planet at 28 800 km/h, experiencing 16 sunrises, sunsets, moonrises and moonsets every 24 hours. This orbit is lower than most satellites a...
Fri, 17 Feb 2017 15:31:00 +0100
A European Service Module will power NASA's Orion spacecraft beyond the Moon and back in 2018, and now work has started on a second mission, this time to carry astronauts. Set for launch as early as 2021, this will be the first mission since 1972 to take humans out of low orbit - and European hardware will provide propulsion, electrical power, water, thermal control and atmosphere for up to four crewmembers. ESA formalised the contract yesterday with Airbus at the Bremen, Germany, site whe...
Thu, 16 Feb 2017 09:30:00 +0100
Going to space is never routine, and Sentinel-2 mission controllers are leaving nothing to chance as they prepare for the critical days following next month's liftoff. Launched in 2015, ESA's Sentinel-2 mission is using the first of two near-identical 'colour-vision' satellites to deliver sophisticated information that is central to Europe's Copernicus programme. Now, the Sentinel-2A craft is about to be joined by its twin, Sentinel-2B, which will complete the pairing that will cover all E...
Wed, 15 Feb 2017 11:46:00 +0100
Today, ground control in Belgium switched off a package that had been continuously watching the Sun from the International Space Station for nine years. 'Solar' has been measuring most of the radiation emitted by our closest star across the electromagnetic spectrum. Built to run for only 18 months, it was still working until today - exceeding all expectations. Solar's observations are improving our understanding of the Sun and allowing scientists to create accurate computer models and pred...
Tue, 14 Feb 2017 23:20:00 +0100
An Ariane 5, operated by Arianespace, has delivered the Sky Brasil-1 and Telkom-3S telecom satellites into their planned orbits. Liftoff of flight VA235 was announced at 21:39 GMT (22:39 CET, 18:39 local time) from Europe's Spaceport in Kourou, French Guiana for a mission lasting about 39 minutes. Sky Brasil-1, with a mass at liftoff of 6000 kg, was the first to be released about 27 minutes into the mission. The 3550 kg Telkom-3S was released about 12 minutes later. Sky Brasil-1, operat...
Tue, 14 Feb 2017 16:00:00 +0100
Comtech Telecommunications Corp. (NASDAQ:CMTL) announced today that during its second quarter of fiscal 2017, its Santa Clara, California-based subsidiary, Comtech Xicom Technology Inc., which is part of Comtech's Commercial Solutions segment, has received a follow-on contract for more than $5.5 million from a U.S. military integrator for high-power satellite communication (SATCOM) traveling wave tube amplifiers (TWTAs). This is the second installment of a multi-year program for these power ampl...
Tue, 14 Feb 2017 08:27:00 +0100
For the first time, scientists using NASA’s Hubble Space Telescope have witnessed a massive object with the makeup of a comet being ripped apart and scattered in the atmosphere of a white dwarf, the burned-out remains of a compact star. The object has a chemical composition similar to Halley’s Comet, but it is 100,000 times more massive and has a much higher amount of water. It is also rich in the elements essential for life, including nitrogen, carbon, oxygen, and sulfur. These...
Tue, 14 Feb 2017 01:45:00 +0100
NASA has awarded a contract to Ball Aerospace for continued spacecraft operations support for the NOAA/NASA Suomi National Polar-orbiting Partnership (Suomi NPP) satellite. The sole source contract has a maximum ordering period of five years beginning March 7, 2017. Ball's engineers designed and built the Suomi NPP satellite vehicle and its Ozone Mapping and Profiler Suite (OMPS) instrument, integrated all five of the satellite instruments, and performed satellite-level testing and launch sup...
Mon, 13 Feb 2017 23:01:00 +0100
NASA has awarded the Suomi National Polar-Orbiting Partnership Sustainability (SNPPS) contract to Ball Aerospace of Boulder, Colorado. This is an indefinite-delivery/indefinite quantity, cost-plus fixed-fee contract with the ability to issue task orders. The contract is a five-year effort with a minimum ordering value of $50,000 and maximum ordering value of approximately $9.5 million. Under this contract, Ball Aerospace will continue to provide sustaining engineering services to the Joint...
Mon, 13 Feb 2017 22:56:00 +0100
NASA has selected two proposals for the development of oxygen recovery technologies that could help astronauts breathe a little easier on deep space, long-duration missions. The agency will invest as much as $2 million and 24 months for the development of each proposal into a complete and integrated system for NASA testing. "The development of advanced life support technologies will allow NASA to establish improved capabilities for future deep space, long-duration, human exploration missions,...
Mon, 13 Feb 2017 16:07:00 +0100
Global Navigation Satellite System (GNSS) signals are critical tools for industries requiring exact precision and high confidence. Now, Geoscience Australia, an agency of the Commonwealth of Australia, and Lockheed Martin (NYSE:LMT) have entered into a collaborative research project to show how augmenting signals from multiple GNSS constellations can enhance positioning, navigation, and timing for a range of applications. This innovative research project aims to demonstrate how a second-gener...
Mon, 13 Feb 2017 15:23:00 +0100
Orbital ATK (NYSE: OA), a global leader in aerospace and defense technologies, today announced it has been awarded a contract by the U.S. Air Force Space and Missiles Systems Center to provide payload integration and support services for Space Test Program Satellite 6 (STPSat-6). The multipurpose satellite will operationally demonstrate advanced communication capabilities, collect space weather data and support nuclear detonation detection in the Earth's atmosphere or in near space. STPSat-6 is ...
Mon, 13 Feb 2017 15:00:00 +0100
The race is on to build the most sensitive U.S.-based experiment designed to directly detect dark matter particles. Department of Energy officials have formally approved a key construction milestone that will propel the project toward its April 2020 goal for completion. The LUX-ZEPLIN (LZ) experiment, which will be built nearly a mile underground at the Sanford Underground Research Facility (SURF) in Lead, S.D., is considered one of the best bets yet to determine whether theorized dark matter...
Fri, 10 Feb 2017 00:00:00 +0100
The space sector has been witnessing a transition from being funded mostly by governments to being funded through a recent slew of investments by venture capital firms. Small satellites are increasingly being used for applications pertaining to satellite television, satellite navigation and satellite-based mobile communications, apart from various research related activities. In the coming years, the industry is expected to observe a higher demand for dedicated satellite launch vehicles, relativ...
Thu, 9 Feb 2017 21:00:00 +0100
Vencore, Inc. announced today that it was awarded the National Oceanic and Atmospheric Administration (NOAA) Systems Engineering and Technical Services (SETS) contract valued at $113 million. Under the terms of this contract (one-year base period with four one-year options), Vencore will support NOAA's National Environmental Satellite, Data, and Information Service (NESDIS). NESDIS acquires and manages the nation's operational environmental satellites, operates NOAA 's National Centers for E...
More space news...
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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<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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