Latest Space News
Thu, 22 Sep 2016 22:57:00 +0100
Two's company, but three might not always be a crowd - at least in space. Astronomers using NASA's Hubble Space Telescope, and a trick of nature, have confirmed the existence of a planet orbiting two stars in the system OGLE-2007-BLG-349, located 8,000 light-years away towards the center of our galaxy. The planet orbits roughly 300 million miles from the stellar duo, about the distance from the asteroid belt to our sun. It completes an orbit around both stars roughly every seven years. The...
Thu, 22 Sep 2016 20:00:00 +0100
International teams of astronomers have used the Atacama Large Millimeter/submillimeter Array (ALMA) to explore the distant corner of the Universe first revealed in the iconic images of the Hubble Ultra Deep Field (HUDF). These new ALMA observations are significantly deeper and sharper than previous surveys at millimetre wavelengths. They clearly show how the rate of star formation in young galaxies is closely related to their total mass in stars. They also trace the previously unknown abundance...
Thu, 22 Sep 2016 18:45:00 +0100
Boeing [NYSE: BA] veteran Jim Chilton will succeed Craig R. Cooning as president of the company's Network & Space Systems (N&SS) businesses, effective Oct. 21. Chilton was vice president of the company's Strategic Missile & Defense Systems organization. Before that he spent much of his 32-year career leading space launch, payload processing and rocket engine programs. Cooning is retiring after 11 years at Boeing. "These businesses made significant operating improvements under Craig's leade...
Thu, 22 Sep 2016 18:36:00 +0100
LinQuest Corporation is proud to announce that the Space and Missile Systems Center (SMC) Advanced Systems and Development Directorate (AD) Ground Systems and Space Operations Division (ADG) at Kirtland Air Force Base in Albuquerque, NM has awarded the Space Test and Engineering Contract 2014 (STEC14) contract to LinQuest, making this the first time the contract has been awarded to the incumbent contractor. The contract's scope includes engineering support and operations of one-of-a-kind researc...
Wed, 21 Sep 2016 12:00:00 +0100
An international team using ALMA, along with ESO's Very Large Telescope and other telescopes, has discovered the true nature of a rare object in the distant Universe called a Lyman-alpha Blob. Up to now astronomers did not understand what made these huge clouds of gas shine so brightly, but ALMA has now seen two galaxies at the heart of one of these objects and they are undergoing a frenzy of star formation that is lighting up their surroundings. These large galaxies are in turn at the centre of...
Wed, 21 Sep 2016 08:02:00 +0100
Pre-flight activities for Arianespace’s upcoming Ariane 5 mission are ramping up at the Spaceport in French Guiana, with launcher and payload preparations advancing in parallel for the October 4 liftoff. In a major milestone reached this month, Ariane 5 was rolled out from the Spaceport’s Launcher Integration Building – where its core cryogenic stage, two solid boosters and cryogenic upper stage were mated – to the Final Assembly Building. This process formally trans...
Mon, 19 Sep 2016 15:30:00 +0100
Delivering the most detailed images of the sun's lower atmosphere ever recorded from space, the Interface Region Imaging Spectrograph (IRIS), built and operated by Lockheed Martin (NYSE: LMT) for NASA, has received more time to deliver groundbreaking space science. A recent $19.4 million contract extends Lockheed Martin's support for the orbiting observatory through September 2018, with a further extension possible through September 2019. "IRIS has taken more than 24 million images or spectra...
Mon, 19 Sep 2016 14:00:00 +0100
ViaSat Inc. (Nasdaq: VSAT), a global broadband services and technology company, today announced it was awarded a $33,291,975.00 cost-plus-incentive-fee contract for the Protected Tactical Service Field Demonstration (PTSFD), which will provide wideband anti-jam communications to tactical users across both government and commercial satellites. This program will include the development of a Protected Tactical Waveform (PTW) modem as well as an embedded cryptographic unit. The Protected Tactical Sy...
Mon, 19 Sep 2016 13:01:00 +0100
London, UK -  SMi Reports: SMi are excited to announce Harriett Baldwin, Minister of State for Defence Procurement, UK MoD will provide and opening ministerial address at Europe’s leading military communications event for satellite professionals.SMi Group are delighted to announce Harriett Baldwin, Minister of State for Defence Procurement, UK MoD has joined the 18th annual Global MilSatCom conference and exhibition, taking place in London, UK, on the 8th-10th November 2016, to provide the opening min...
Mon, 19 Sep 2016 12:50:00 +0100
Leidos (NYSE: LDOS) will support the Army Geospatial Center's (AGC) High-Resolution, 3-D (HR3D) Geospatial Information program through a prime contract from the General Services Administration (GSA). The single-award task order awarded under the GSA One Acquisition Solution for Integrated Services (OASIS) contract has a one-year base period of performance and includes four one-year options. If all options are exercised, the contract carries a total value of $777 million. Under the contract, t...
Fri, 16 Sep 2016 05:30:00 +0100
Arianespace launched a Vega rocket on a complex mission early this morning that demonstrated the flexibility of its upper stage and multisatellite carrier. In its first six flights, Vega delivered a wide range of satellites into very different orbits, demonstrating its flexibility. Liftoff of the seventh mission from Europe's Spaceport in Kourou, French Guiana came at 01:43 GMT on 16 September (03:43 CEST; 22:43 local time on 15 September). Four SkySat microsatellites for Terra Bella, w...
Thu, 15 Sep 2016 16:00:00 +0100
The mystery of a rare change in the behaviour of a supermassive black hole at the centre of a distant galaxy has been solved by an international team of astronomers using ESO's Very Large Telescope along with the NASA/ESA Hubble Space Telescope and NASA's Chandra X-ray Observatory. It seems that the black hole has fallen on hard times and is no longer being fed enough fuel to make its surroundings shine. Many galaxies are found to have an extremely bright core powered by a supermassive black ...
Wed, 14 Sep 2016 12:56:00 +0100
The company has been awarded the deployment in Spain of the complete S3T space surveillance system, which may be used to catalog uncontrolled orbiting objects As part of the project, Indra will develop a radar that is set to establish Spain as one of the few countries with surveillance capabilities in orbits of between 200 and 2,000 km This new Spanish infrastructure will enable security for satellites, space missions and launches into space Its services include collision warnings, obje...
Wed, 14 Sep 2016 12:30:00 +0100
The first catalogue of more than a billion stars from ESA's Gaia satellite was published today - the largest all-sky survey of celestial objects to date. On its way to assembling the most detailed 3D map ever made of our Milky Way galaxy, Gaia has pinned down the precise position on the sky and the brightness of 1142 million stars. As a taster of the richer catalogue to come in the near future, today's release also features the distances and the motions across the sky for more than two mil...
Tue, 13 Sep 2016 14:05:00 +0100
The Indian Space Research Organization (ISRO) has chosen Arianespace to launch its GSAT-11 telecommunications satellite. The satellite will be launched by an Ariane 5 launch vehicle, from the Guiana Space Center, Europe’s Spaceport in Kourou, French Guiana, in 2017. The GSAT-11 satellite, designed, assembled and integrated by ISRO, will weigh about 5,725 kg at launch. GSAT-11 is an advanced communication satellite with multi spot beam coverage over the Indian mainland and nearby ...
Tue, 13 Sep 2016 14:03:00 +0100
By converging in orbit, a pair of small satellites will open a new view on the source of the largest structure in the Solar System: the Sun’s ghostly atmosphere, extending millions of kilometres out into space. The two satellites together are called Proba-3, set for launch in late 2019. Through precise formation flying, one will cast a shadow across the second to open up an unimpeded view of the inner area of the ‘corona’, which is a million times fainter than the blinding...
Tue, 13 Sep 2016 10:09:00 +0100
International Launch Services (ILS) announces a product line extension of the Proton Breeze M commercial launch vehicle designed to expand the addressable GEO market for cost effective launch solutions in the small and medium satellite class range (3 to 5 metric tons). Designated as "Proton Variants," these two additional vehicles will be optimized 2-stage versions of the time tested and flight proven Proton Breeze M launch system for exclusive commercial use by ILS. The Proton Variants initi...
Mon, 12 Sep 2016 14:28:00 +0100
CAPE CANAVERAL AIR FORCE STATION, Fla. -  NASA’s OSIRIS-REx spacecraft, built by Lockheed Martin (NYSE: LMT), was successfully launched today at 7:05 p.m. ET from Cape Canaveral Air Force Station, Florida, aboard a United Launch Alliance Atlas V 411 rocket. The spacecraft has departed Earth and is now on its seven year journey to study near-Earth asteroid Bennu and bring a sample back to Earth. The Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer, known as OSIRIS-REx, separated from the ro...
Mon, 12 Sep 2016 14:22:00 +0100
SAN DIEGO -  Cubic Corporation (NYSE: CUB) today announced that its subsidiary GATR Technologies (GATR), which operates within the Cubic Mission Solutions (CMS) business division, and Intelsat General Corporation (IGC) successfully established a 26-megabits per second (mbps) downlink and a 10+ mbps uplink, carrying multiple data streams during performance testing of GATR’s prototype GATR-FLEX® sub-meter Ku-band, ultra-portable terminal. GATR and IGC performed a series of tests using the open a...
Mon, 12 Sep 2016 14:10:00 +0100
EL SEGUNDO, Calif. and GEORGE TOWN, Grand Cayman, Cayman Islands -  Boeing [NYSE:BA] will build a 702 satellite, called GiSAT, with a new digital payload offering twice the capacity of previous digital payload designs. The customer, Cayman Islands-based Global IP, will use the satellite to deliver streaming media, digital broadcast and other communications services to Sub-Saharan Africa. With a coverage area encompassing 35 countries and 750 million people, GiSAT will deliver higher data rates at lower costs than previous satellites serving this part of the...
More space news...
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    Personal information
     Name:<withheld>
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     Country:<withheld>
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    Contact information
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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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