Latest Space News
Fri, 15 Nov 2019 22:36:16 +0000
The 10-year contract is for operations and support of the Advanced Extremely High Frequency, Milstar and Defense Satellite Communications System constellations. SpaceNews.com
Fri, 15 Nov 2019 18:51:17 +0000
Exos Aerospace said the failed launch of a reusable suborbital sounding rocket last month was caused by a structural failure of the rocket shortly after liftoff. SpaceNews.com
Fri, 15 Nov 2019 12:28:02 +0000
NASA’s inspector general warned in a new report that, because of commercial crew delays, utilization of the International Space Station will drop sharply in 2020 and that NASA runs the risk of losing access entirely by next fall. SpaceNews.com
Thu, 14 Nov 2019 23:52:00 +0000
EchoStar has ordered two tiny S-band satellites from Tyvak Nano-Satellite Systems to jumpstart a low-Earth-orbit constellation using spectrum gained through its October acquisition of IoT startup Helios Wire.  SpaceNews.com
Thu, 14 Nov 2019 22:06:27 +0000
NASA paid Boeing nearly $300 million more than originally planned in its commercial crew contract in part because of agency concerns that the company might drop out of the program, a new report claims. SpaceNews.com
Thu, 14 Nov 2019 21:47:58 +0000
SDA is the new term replacing Space Situational Awareness, according to an Oct. 4 memo from Air Force Space Command. SpaceNews.com
Thu, 14 Nov 2019 20:29:46 +0000
Loft Orbital has raised a fresh $13 million to continue development of a constellation of small satellites purpose-built to carry a mix of payloads for customers who don’t want to fly their own satellites.  SpaceNews.com
Thu, 14 Nov 2019 17:19:54 +0000
With growing bipartisan skepticism that NASA’s current plan to return humans to the moon by 2024 is achievable, members of the House Science Committee used a Nov. 13 hearing to advocate for a different, and arguably more conventional, approach. SpaceNews.com
Thu, 14 Nov 2019 12:04:44 +0000
SpaceX successfully tested Nov. 13 the thrusters used as part of the abort system for its Crew Dragon spacecraft, nearly seven months after a similar test resulted in the loss of another spacecraft. SpaceNews.com
Thu, 14 Nov 2019 04:49:10 +0000
The Senate Commerce Committee approved Nov. 13 a NASA authorization bill introduced a week earlier to extend the life of the International Space Station and support other agency programs. SpaceNews.com
Thu, 14 Nov 2019 01:37:18 +0000
Launcher won its first government funding when the U.S. Air Force awarded the the Brooklyn-based startup $1.5 million to accelerate development and testing of its E-2 rocket engine. SpaceNews.com
Wed, 13 Nov 2019 22:52:54 +0000
Chairman Adam Smith said House-Senate divide is deepening over the establishment of a Space Force SpaceNews.com
Wed, 13 Nov 2019 21:01:43 +0000
Mark Rigolle, CEO of LeoSat, told SpaceNews Nov. 13 that the company laid off all 13 employees — himself included — in August after its earlier investors decided not to fund the company any longer.  SpaceNews.com
Wed, 13 Nov 2019 19:41:33 +0000
Isotropic Systems has completed two-way communications tests of its electronically steered antenna using Avanti’s Hylas-4 satellite. SpaceNews.com
Wed, 13 Nov 2019 17:48:11 +0000
In its ongoing quest to increase launch vehicle production, Rocket Lab has unveiled a new industrial robotic system designed to speed up manufacturing of its Electron rocket. SpaceNews.com
Wed, 13 Nov 2019 17:03:25 +0000
The former chairman of the House aviation subcommittee and adviser to United Launch Alliance argues that all commercial spaceflight companies should support, rather than disrupt, the FAA's ongoing effort to streamline existing launch licensing processes. SpaceNews.com
Wed, 13 Nov 2019 12:56:40 +0000
China launches six remote sensing satellites into orbit with two launches inside three hours from sites in north China. SpaceNews.com
Wed, 13 Nov 2019 11:00:40 +0000
A new study says companies can build, launch and operate constellations to gather global imagery with a resolution of one meter for a fraction of the cost of previous constellations. SpaceNews.com
Wed, 13 Nov 2019 10:29:40 +0000
A NASA official warned that extended delays in finalizing a fiscal year 2020 budget for the agency could have implications for its ability to stay on schedule for returning humans to the moon in 2024. SpaceNews.com
Wed, 13 Nov 2019 00:14:41 +0000
Two astronauts are set to begin a series of spacewalks this week to repair an instrument outside the International Space Station that was never designed to be serviced in orbit. SpaceNews.com
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  • CV: Research Assistant

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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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