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  • 51.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    A computer code for calculation of the penetration of electromagnetic fields through slots.1992Report (Refereed)
    Download full text (pdf)
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  • 52.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    A FDTD program for computing responses on branched multi-conductor transmission lines.1998Report (Refereed)
    Download full text (pdf)
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  • 53.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    A method of moments program for radiated emission and susceptibility analysis of printed circuit boards.1998Report (Refereed)
    Download full text (pdf)
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  • 54.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    A systematic methodology for the generation of SPICE models feasible for EMC analysis2000Report (Refereed)
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  • 55.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Accuracy of radiation efficiency measurements in a reverberation chamber2003In: Antenn 03, 2003, , p. 297-302Conference paper (Refereed)
  • 56.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Analysis of corrugated soft edges to reduce scattering from gaps between reflecting panels2005Conference paper (Refereed)
  • 57.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Analysis of test levels applicable for radiated susceptibility test of built-in equipment. Nordtest project 986-91.1993Report (Refereed)
    Download full text (pdf)
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  • 58.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Benchmarking of Facilities for Measuring Small Mobile Terminals and their Antennas: Results of a Round Robin Test in ACE2005Conference paper (Refereed)
  • 59.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Benchmarking of Facilities for Small Terminal Antenna Measurements2005In: 2005 IEEE EMC International Symposium on Electromagnetic Compatibilit, 2005, , p. 105-108Conference paper (Refereed)
  • 60.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Benchmarking of Measurement Facilities for Small Antennas and Active Terminals within ACE - Results and Experiences from the First Two Years2007In: Frequenz, Vol. 61, no 3&4, p. 59-Article in journal (Refereed)
  • 61.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Capacity characterization of Eleven antenna in different configurations for MIMO applications using reverberation chamber2012In: 6th European Conference on Antennas and Propagation, EuCAP 2012, 2012, , p. 1571-1575Conference paper (Refereed)
  • 62.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Comparisons of different methods to determine correlation applied to multi-port UWB eleven antenna2011In: 5th European Conference on Antennas and Propagation, 2011, , p. 1776-1780, Article number 5781868Conference paper (Refereed)
  • 63.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik.
    Computation of EMC Properties of Slots and Printed Circuit Boards1998Report (Refereed)
  • 64.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Computation of Transmission through Corrugated Slots1999In: 26th URSI General Assembley, University of Toronto, Aug. 13-21,1999. Abstracts, 1999, , p. 714Conference paper (Refereed)
  • 65.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Computation techniques and computer programs for use in electromagnetics. A survey.1992Report (Refereed)
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  • 66.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Crosstalk on printed circuit boards. 2. ed.1994Report (Refereed)
    Download full text (pdf)
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  • 67.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Den säkra kommunikationsplattformen2005In: Provning & Forskning, no 1, p. 12-Article in journal (Other (popular science, discussion, etc.))
  • 68.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Determination of maximum Doppler shift in reverberation chamber using level crossing rate2011In: 5th European Conference on Antennas and Propagation, EUCAP 2011, 2011, , p. 62-65Conference paper (Refereed)
  • 69.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    EMC analysis methods and computational models. Short-course and workshop. Nordtest project 1360-97.1997Report (Refereed)
    Download full text (pdf)
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  • 70.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Erratum: Channel sounding of loaded reverberation chamber for over-the-air testing of wireless devices-coherence bandwidth versus Average mode bandwidth and delay spread (IEEE Antennas and Wireless Propagation Letters (2009) 8 (678-681))2013In: IEEE Antennas and Wireless Propagation Letters, ISSN 1536-1225, E-ISSN 1548-5757, Vol. 12, p. 1728-Article in journal (Refereed)
  • 71.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Kartläggning av EM-spektrat i frekvensområdet 1-20 GHz.1991Report (Refereed)
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  • 72.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Measurement uncertainties of capacities of multi-antenna system in anechoic chamber and reverberation chamber2011In: Proceedings of 8th International Symposium on Wireless Communication System, 2011, , p. 216-220Conference paper (Refereed)
  • 73.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Simple calculation of ergodic capacity of lossless two-port antenna system using only S-parameters - Comparison with common Z-parameter approach2011In: IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI 201, 2011, , p. 1885-1888Conference paper (Refereed)
  • 74.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Spatial correlations of incremental sources in isotropic environment such as reverberation chamber2011In: 5th European Conference on Antennas and Propagation, EUCAP 2011, 2011, , p. 1753-1757Conference paper (Refereed)
  • 75.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    SSF Antennteknik Project 2A - Analysis and design of base station antennas2003In: Antenn 03, 2003, , p. 39-41Conference paper (Other academic)
  • 76.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    The use of corrugations to reduce transmission through slots2005Conference paper (Refereed)
  • 77.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Transmission of EM-fields through slots.1993Report (Refereed)
    Download full text (pdf)
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  • 78.
    Carlsson, Jan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Uncertainties in estimating ergodic MIMO capacity and diversity gain of multiport antenna systems with different port weights2011In: Proceedings of the 5th European Conference on Antennas and Propagation, 2011, , p. 310-314Conference paper (Refereed)
  • 79.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Ankarson, Peter
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    FDTD-Simulation of the Electrical Environment for Vehicles by using CAD-data Compared to Measurement2003Conference paper (Refereed)
  • 80.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Ankarson, Peter
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Induced currents in cables in a car when exposed to an external field or internal mobile phone - Simulations and measurements2004In: EMC Europe 2004, 2004, , p. 809-814Conference paper (Refereed)
  • 81.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Ankarson, Peter
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Prediction of the electrical environment in vehicles2002Report (Refereed)
    Download full text (pdf)
    fulltext
  • 82.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Ankarson, Peter
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Simulation of the electrical environment for vehicles by using CAD-data - Compared to real measurements2003Conference paper (Refereed)
  • 83.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik.
    Belov, Ilja
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik.
    Influence of a slot on the induced current in a wire inside a conducting box with a square aperture2002In: Microwave and optical technology letters, Vol. 32, no 1, p. 25-29Article in journal (Other academic)
  • 84.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Carlberg, Ulf
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Including embedded element antenna characteristics in winner II channel models and comparison with isotropic propagation environment2011In: Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011, 2011, , p. 2038-2041Conference paper (Refereed)
  • 85.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Carlberg, Ulf
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Numerical simulation and measurement of the signal integrity of a FlexRay system2011In: Proceedings of EMC Europe 2011 York - 10th International Symposium on Electromagnetic Compatibility, EMC Europe, 2011, , p. 112-116Conference paper (Refereed)
  • 86.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Carlberg, Ulf
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    On the radiation from common mode currents on cables placed over joined conducting planes commonly used in vehicles2014In: IEEE International Symposium on Electromagnetic Compatibility, Institute of Electrical and Electronics Engineers Inc. , 2014, p. 465-468, article id 6997219Conference paper (Refereed)
    Abstract [en]

    Undesired radiation from common mode currents in cables can be reduced by placing the cable on a ground plane. The chassis of a vehicle often consists of several metal sheets, but two adjacent sheets may not be electrically connected along the whole joint. This paper examines the reduced shielding performance due to various types of gaps between two sheets. A solid connection between two sheets is used as a reference. Numerical simulations in the frequency range 30 MHz to 1 GHz is presented for sheets with a total dimension of 1 meter times 0.5 meter. 

  • 87.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC. Chalmers University of Technology, Sweden.
    Carlberg, Ulf
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Hussain, Ahmed
    Chalmers University of Technology, Sweden.
    Kildal, Per-Simon
    Chalmers University of Technology, Sweden.
    About Measurements in Reverberation Chamber and Isotropic Reference Environment2010In: 20 th International Conference on Applied Electromagnetics and Communications. Dubrovnik, Croatia. 2010-09-20--09-23, ICECom 2010 , 2010Conference paper (Refereed)
    Abstract [en]

    The paper discusses the need for a reference environment for the characterization of small antennas intended to be used in multipath. The conclusion is that a good choice is the rich isotropic multipath environment as emulated by a well designed reverberation chamber, or possibly by a spherical array of antennas in an anechoic chamber. This is the only environment that enables a unique, objective and repeatable antenna characterization. This cannot be achieved in other environments. A few examples are given showing that the performances of different incremental antennas are very different and depend strongly on their orientations when they are located in a 2D horizontal multipath environment, with incident waves only in the horizontal plane, whereas their performances are equal and invariant to orientation when they are located in the rich isotropic multipath environment.

  • 88.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Carlberg, Ulf
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Kildal, Per-Simon
    Chalmers University of Technology, Sweden.
    Diversity gains in random line of sight and rich isotropic multipath environment2012In: LAPC 2012; Loughborough Antennas and Propagation Conference, 2012, , p. 6403019article id 6403019Conference paper (Refereed)
    Abstract [en]

    Antenna diversity gain for theoretical as well as measured antennas is studied in two extreme environments, the rich isotropic multipath environment (RIMP) and the random line-of-sight environment. The RIMP diversity gain was previously defined based on improved fading performance, here we equivalently consider it as a metric for the cumulative improvement of the 1% worst users randomly distributed in the RIMP environment. Similarly, we consider the diversity gain in the random line-of-sight environment to be the performance improvement of the 1% of the users which receives the weakest signal relative to a theoretical Rayleigh distribution of the signal levels among the users. The random line-of-sight environment is regarded as being caused by the statistics of an ensemble of users (or terminals) with arbitrary 3D orientations.

  • 89.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Carlberg, Ulf
    Kildal, Per-Simon
    Signaler och System.
    Numerical Modelling of Reverberation Chamber using Method of Moments and Ewald Summation2005In: 2005 IEEE EMC International Symposium on Electromagnetic Compatibilit, 2005, , p. 344-347Conference paper (Refereed)
  • 90.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Carlberg, Ulf
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Kildal, Per-Simon
    Numerical Study of Position Stirring and Frequency Stirring in a Loaded Reverberation Chamber2009In: IEEE transactions on electromagnetic compatibility (Print), ISSN 0018-9375, E-ISSN 1558-187X, Vol. 51, no 1, p. 12:19-Article in journal (Refereed)
  • 91.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Carlberg, Ulf
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Kildal, Per-Simon
    Numerical study of position stirring and frequency stirring in loaded reverberation chamber2009In: IEEE Trans. Electromagn. Compat, Vol. 51, no 1Article in journal (Refereed)
  • 92.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Chen, Xiaoming
    Kildal, Per-Simon
    Yang, Jian
    Comparison of Ergodic Capacities from Wideband MIMO Antenna Measurements in Reverberation Chamber and Anechoic Chamber2011In: IEEE Antennas and Wireless Propagation Letters, Vol. 10, p. 446-449Article in journal (Other academic)
  • 93.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Fast, Lars
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Karlsson, Christer
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    The use of Corrugations to Enhance Shielding Effectiveness of Fiber Optic Waweguide Feedthrough2010In: 9 th International Symposium on EMC. Wroclaw, Poland. 2010-09-13--17, EMC Europe 2010 , 2010Conference paper (Refereed)
  • 94.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Gummalla, A
    Kildal, Per-Simon
    Nyberg, Daniel
    Degradation of MIMO-capacity due to correlation and efficiency of pratical antennas.2008Conference paper (Other academic)
  • 95.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Karlsson, Kristian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    A method of moments solution of a 2D reverberation chamber using G1DMULT and asymptotic extraction2004In: IEEE AP-S International Symposium and URSI Science Meeting,, 2004, , p. 1323-1327Conference paper (Refereed)
  • 96.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Karlsson, Kristian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Analysis and Optimization of Multi-Port Antennas by Using Circuit Simulation and Embedded Element Patterns from Full-Wave Simulation2008Conference paper (Refereed)
  • 97.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Karlsson, Kristian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Method for Circuit based Optimizations of Radiation Characteristics of Multi-Port antennas.2008In: GigaHertz2008 Symposium, 2008Conference paper (Other academic)
  • 98.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Karlsson, Kristian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Carlberg, Ulf
    Kildal, Per-Simon
    Signaler och System.
    Comparison of different numerical modeling techniques for reverberation chamber: Initial 2D study2004In: IEEE AP-S International Symposium and URSI Science Meeting,, 2004, , p. 1511-1515Conference paper (Refereed)
  • 99.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Karlsson, Kristian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Johansson, Andreas
    Lund University, Sweden.
    Validation of shielding effectiveness measurement method using nested reverberation chambers by comparison with aperture theory2012In: International Symposium on Electromagnetic Compatibility, EMC EUROPE 2012, 2012, , p. 6396716article id 6396716Conference paper (Refereed)
    Abstract [en]

    In this paper we revisit existing methods for measuring the shielding effectiveness of material samples using nested reverberation chambers. These methods have the advantage of exposing the sample with a more realistic environment than other methods that are based on single plane wave excitation. That is, in the reverberation chamber the sample is exposed to fields with different incidence directions and polarizations resulting in that the average shielding effectiveness can be measured. We show by comparison with aperture theory that the measured shielding effectiveness corresponds to the theoretical value. We show also by measurements that a corrugation or choke on the periphery of an aperture can be used for increasing the shielding effectiveness for a narrow frequency range.

  • 100.
    Carlsson, Jan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Karlsson, Kristian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, EMC.
    Kildal, Per-Simon
    A Method of Moments Solution for Wires inside a Reverberation Chamber Using Spectral Domain Techniques and Asymptotic Extraction2005In: 2005 IEEE EMC International Symposium on Electromagnetic Compatibilit, 2005, , p. 117-122Conference paper (Refereed)
1234567 51 - 100 of 407
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