Latest Space News
Fri, 07 Aug 2020 12:16:09 +0000
A SpaceX Falcon 9 launched the latest set of the company’s Starlink satellites, along with two BlackSky imaging satellites, Aug. 7 after weeks of delays. SpaceNews
Fri, 07 Aug 2020 12:05:41 +0000
Boeing will build four additional O3b mPower satellites for SES under an order announced Aug. 7 to expand the constellation to 11 satellites in medium Earth orbit.  SpaceNews
Fri, 07 Aug 2020 04:25:17 +0000
Manufacturers agreed the cost of cubesats and small satellites of all sizes will decline as constellation developers and operators begin placing larger orders. SpaceNews
Thu, 06 Aug 2020 20:39:16 +0000
As small satellites become more powerful, manufacturers say they need better ways to manage excess heat generated by their electronics systems. SpaceNews
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Maxar Technologies no longer expects, at least initially, to win any manufacturing contracts for Telesat’s future broadband megaconstellation of 300 satellites.  SpaceNews
Thu, 06 Aug 2020 17:52:57 +0000
The launch of a NASA astronomy smallsat mission next year will be postponed by several months after the pandemic delayed assembly of key elements of the spacecraft. SpaceNews
Thu, 06 Aug 2020 11:21:30 +0000
The percentage of small satellites that successfully complete their missions has improved in recent years even as the number of such satellites has dramatically increased. SpaceNews
Wed, 05 Aug 2020 22:30:08 +0000
Revenues for Lithuanian Nanosatellite manufacturer NanoAvionics tripled in the last 12 months as the company signed contracts with startups and industry veterans. SpaceNews
Wed, 05 Aug 2020 22:03:48 +0000
Col. Russell Teehan said commercially developed technologies will be part of the future capabilities of the U.S. Space Force. SpaceNews
Wed, 05 Aug 2020 20:39:00 +0000
The state will look at the required infrastructure, human capital development and financing necessary to support a commercial spaceport at Vandenberg. SpaceNews
Wed, 05 Aug 2020 18:42:42 +0000
ExoTerra Resources, a Colorado firm focused on propulsion and in-situ resource utilization, is preparing to quadruple production capacity to meet government and commercial demand. SpaceNews
Wed, 05 Aug 2020 16:12:48 +0000
The Russian company that markets commercial Soyuz launches says it is offering capacity on a launch of a Russian lunar mission next year for smallsat secondary payloads. SpaceNews
Wed, 05 Aug 2020 15:00:14 +0000
Commercial satellite operatorSES has selected SpaceX and United Launch Alliance to each launch two geostationary satellites designed to replace C-band capacity in the United States that the Federal Communications Commission is repurposing for 5G cellular networks.  SpaceNews
Wed, 05 Aug 2020 14:21:35 +0000
NASA’s MarCO mission showed that interplanetary cubesat missions, while possible, are anything but easy. SpaceNews
Wed, 05 Aug 2020 11:15:58 +0000
The NASA astronauts who flew on the SpaceX Demo-2 commercial crew vehicle said they were pleasantly surprised at how well the Crew Dragon spacecraft performed. SpaceNews
Wed, 05 Aug 2020 10:17:39 +0000
After months of delays and testing setbacks, a prototype of SpaceX’s Starship next-generation reusable launch vehicle made a brief “hop” flight Aug. 4 at the company’s South Texas test site. SpaceNews
Wed, 05 Aug 2020 08:24:24 +0000
China is advancing the development of the Chang'e-7 lunar south pole mission and a complex campaign to study comets and return samples from a near-Earth asteroid with a single orbiter. SpaceNews
Wed, 05 Aug 2020 01:15:11 +0000
Satellite propulsion startup Benchmark Space Systems announced an agreement Aug. 4 to provide non-toxic chemical propulsion for rideshare provider Spaceflight Inc.’s next-generation orbital transfer vehicle, Sherpa-NG. SpaceNews
Tue, 04 Aug 2020 23:00:07 +0000
USC students will build the satellites and integrate them with Lockheed Martin’s SmartSat mission payload. SpaceNews
Tue, 04 Aug 2020 22:11:17 +0000
For the first time, the National Oceanic and Atmospheric Administration is soliciting proposals for commercial radio occultation satellite data to feed operational weather forecast models. SpaceNews
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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
     Phone:<withheld>
     Mobile:<withheld>
    Candidate Profile
     Date Submitted:11-01-2014
     Last Modified:13-01-2014 (12:22)
    Job information
     Current job:Research Assistant
     Employment Term:Temp/Contract
     Job location:Anywhere
     Date available:within 3months
     Industry:Satellite Manufacturers and Subcontractors, ,
     KeywordsExperienced; Motivated; Innovative; International
    CV
    Summary
     
    Motivated, innovative and experienced (5+ years) antenna/RF engineer in the field of research and design; capable of analytical and numerical analysis using various electronic design automation software and object-oriented programming languages; experience in both academia and industry; author of many scienti c publications and patents; measurement experience in the eld of antennas (using Vector Network Analyzer, Time Domain Reection scope, anechoic chamber); prototyping experience using milling machine; European Union citizen; experienced working in an international environment; keen on details and well-organized; able to plan and prioritize work and manage the time accordingly; versatile, flexible and trained to handle work underpressure.
     
    Employment
     
    (February 2009 - present) Full-time research assistant (ger. wiss. Ang.") of Prof. Dr.-Ing. Werner L. Schroeder at RheinMain University of Applied Sciences (Russelsheim, Germany) Industry funded project (OPTION N.V.; Leuven, Belgium): Advanced systematic design of multiport antennas for LTE-enabled USB dongles (ADVANT)
     
    Integration of multiport antennas in a small volume o ered by mobile wireless terminals (User Equipment), e.g. mobile wireless modems, laptops, etc., was the goal of ADVANT project. Achieving simultaneously high total per port eciencies and high isolation between antenna ports while covering multiple frequency bands using electrical switching were the most challenging aspects of the project. New systematic techniques for design of electrically switchable and electrically tunable small 2-port MIMO antennas for USB dongles were developed and thoroughly documented. The project resulted in four patents and number of high-quality publications in various international conferences and journals.
     
    (December 2008) Test engineer at Telecom-Service (Gdansk, Poland) Optical Master Unit (OMU) testing for Axell Wireless (Stockholm, Sweden).
     
    (August - September 2008) Project for CENPORT (Gdansk, Poland) Design of dual-cone wideband antenna for air force/civilian ATC communication system.
     
    Education
     
    (February 2009 - present) Duisburg-Essen University (Duisburg, Germany) Ph.D. dissertation (ger. Kooperative Promotion") under supervision of Univ. Prof. Dr.-Ing. Klaus Solbach, working title: Design of Multiport Antennas for MIMO-enabled Mobile Wireless Devices
     
    (October 2003 - July 2008) Gdansk University of Technology (Gdansk, Poland) Faculty of Electronics, Telecommunications and Informatics Specialty: Wireless Communication Engineering Radiocommunication Systems and Networks
    (14 July 2008) M.Sc. Eng. degree received. Thesis topic: Application of Metamaterials in Antenna Design.
     
    (July 2005 - September 2007) Project for WiComm Center Of Excellence (Gdansk, Poland) Design and implementation of Ray-Tracing (2D) simulator using Java, C/C++ and
    XML. Project involved design of the GUI (Java), calculation engine (MATLAB and C/C++) and data exchange module (XML). Signi cant contributions in all stages and team leader in the nal stage of the project.
     
    Internships:
    (July 2007) Graduate internship in Telecommunication Research Institute (Gdansk, Poland)
    Modeling of IFF (identi cation, friend or foe) antenna array for naval ships using NEC and MATLAB script programming for data processing.
     
    (July - September 2005) Program internship in WiComm Center of Excellence (Gdansk, Poland)
    Design and implementation of Ray-Tracing (2D) simulator. Research, development and implementation of the calculation engine (MATLAB). Advanced Java programming. Implementation of GUI and data
    exchange module.
     
    Patents
     
    W. L. Schroeder, A. Krewski, Wireless device with extendable antenna", 2011, European
    Patent No. 11167611.0 - 2220
    A. Krewski, W. L. Schroeder, Wireless antenna system", 23 October 2012,
    PCT/EP2012/070974
    A. Krewski, W. L. Schroeder, Antenna system for portable wireless device", 23 October
    2012, PCT/EP2012/070976
    A. Krewski, W. L. Schroeder, Tunable antenna systems", 17 June 2013, EP13172324.9
     
    Publications
     
    L. Kulas, M. Rapacki, and A. Krewski, "Design of wireless sensor networks using ray-tracing propagation analysis," in Conference of Radiocommunication, Broadcasting and Television, Gdansk, Poland, 13-15 June 2007.
     
    A. Krewski and W. L. Schroeder, "Equivalent circuit model for closely coupled symmetrical two-port MIMO antennas in small volume," in IEEE Antennas and Propagation Society International Symposium (APSURSI), Toronto, Canada, July 2010.
     
    Y. Feng, A. Krewski and W. L. Schroeder, "Towards a simulation tool for comparison of MIMO OTA measurement methods and metrics," in COST 2100, 10th MCM, Athens, Greece, February 2010. TD(10)10058.
     
    Y. Feng, A. Krewski, and W. L. Schroeder, "Simulation based comparison of metrics and measurement methodologies for OTA test of MIMO terminals," in Proceedings of the Fourth European Conference on Antennas and Propagation (EuCAP), Barcelona, Spain, April 2010.
     
    W. L. Schroeder and A. Krewski, "Total multi-port return loss as a fi gure of merit for MIMO antenna systems," in European Microwave Conference (EuMC), Paris, France, September 2010.
     
    A. Krewski, W. L. Schroeder, and K. Solbach, "Bandwidth limitations and optimum lowband LTE MIMO antenna placement in mobile terminals using modal analysis," in European Conference on Antennas and Propagation (EuCAP), Rome, Italy, April 2011.
     
    A. Krewski, W. L. Schroeder, and K. Solbach, "Matching network synthesis for mobile MIMO antennas based on minimization of the total multi-port reflectance," in Loughborough Antennas and Propagation Conference (LAPC), Loughborough, UK, November 2011.
     
    A. Krewski, W. L. Schroeder, and K. Solbach, MIMO LTE Antenna Design for Laptops Based on Theory of Characteristic Modes," in European Conference on Antennas and Propagation (EuCAP), Prague, Czech Republik, March 2012.
     
    A. Krewski, W. L. Schroeder, and K. Solbach, Multi-band 2-port MIMO LTE Antenna Design for Laptops Based on Theory of Characteristic Modes," in Loughborough Antennas and Propagation Conference (LAPC), Loughborough, UK, November 2012.
     
    A. Krewski and W. L. Schroeder, "N-port DL-MIMO Antenna System Realization Using Systematically Designed Mode Matching and Mode Decomposition Network," in European Microwave Conference (EuMC), Amsterdam, The Netherlands, October 2012.
     
    A. Krewski, W. L. Schroeder, and K. Solbach, "Upper Bound on Pattern Correlation of Lossy N-port Antennas in Terms of Modal Eciencies," in European Conference on Antennas and Propagation (EuCAP), Gothenburg, Sweden, April 2013.
     
    M. Bouezzeddine, A. Krewski and W. L. Schroeder, "A concept study on MIMO antenna system for small size CPE operating in the TV White Spaces," in COST IC1004, 7th MCM, Imenau, Gremany, 2013. TD(13)07051.
     
    A. Krewski, W. L. Schroeder, and K. Solbach, "Multi-band 2-port MIMO Antenna Design for LTE-enabled 13" Monocoque Laptop," in IEEE Antennas and Propagation Society International Symposium (APSURSI), Orlando, US, July 2013.
     
    A. Krewski 2-port MIMO Antenna System for High Frequency Data Link with UAVs Using Characteristic Modes," in IEEE Antennas and Propagation Society International Symposium (APSURSI), Orlando, US, July 2013.
     
    A. Krewski and W. L. Schroeder, "Electrically Tunable Mode Decomposition Network for 2-port MIMO Antennas," in Loughborough Antennas and Propagation Conference (LAPC), Loughborough, UK, November 2013.
     
    A. Krewski, W. L. Schroeder, and K. Solbach, "2-port DL-MIMO Antenna Design for LTE-enabled USB dongles," in IEEE Antennas and Propagation Wireless Letters (AWPL), vol. 12, pp. 1436{1439, November 2013.
     
    A. Krewski, W. L. Schroeder, "Tight Upper Bound on Radiation Pattern Correlation for N- port MIMO Antennas," in Electronics Letters, vol. 49, no.23, pp. 1427{1428, November 2013.
     
    A. Krewski, W. L. Schroeder, "Electrically Small, Electrically Switchable 2-port DL-MIMO Antenna for LTE-enabled USB dongles," in IEEE Transactions on Antennas and Propagation, (manuscript in preparation).
     
    Skills & Familiarity
     
    EDA simulation software: Advanced Design System (ADS), Momentum, Agilent Genesys, CST Microwave Studio, Speag SEMCAD X, Ansoft HFSS, NEC, EMCoS Antenna Virtual Lab
    EDA prototyping software: CircuitCAM, BoardMaster
    PCB prototyping: LPKF ProtoMat S100
    Antenna measurements: Scattering parameters measurements using vector network analyzer, radiation pattern measurements using anechoic chamber
    Programming skills: MATLAB, Java, HTML, PHP, SQL, C/C++
    Text processing: LATEX2", Microsoft Oce
     
    Area of Interests 
     
    Electrically switchable and electrically tunable electrically small multiport antennas
    Antenna arrays and special antennas for various applications
    Electrically small antennas
    Numerical methods and aspects of electromagnetic modeling
    Object-oriented programming
     
    Associations
     
    Student Member of IEEE
     
    References
     
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