Search Results - "Orlenius, C."

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  1. 1

    Channel Sounding of Loaded Reverberation Chamber for Over-the-Air Testing of Wireless Devices: Coherence Bandwidth Versus Average Mode Bandwidth and Delay Spread by Xiaoming Chen, Kildal, P.-S., Orlenius, C., Carlsson, J.

    “…This letter finds the relation between different parameters that characterize the reverberation chamber as a channel emulator for over-the-air (OTA) testing of…”
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    Journal Article
  2. 2

    In Situ Measurement of UHF Wearable Antenna Radiation Efficiency Using a Reverberation Chamber by Conway, G.A., Scanlon, W.G., Orlenius, C., Walker, C.

    “…The radiation efficiency and resonance frequency of five compact antennas worn by nine individual test subjects was measured at 2.45 GHz in a reverberation…”
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    Journal Article
  3. 3

    Calculated and measured absorption cross sections of lossy objects in reverberation chamber by Carlberg, U., Kildal, P.-S., Wolfgang, A., Sotoudeh, O., Orlenius, C.

    “…Reverberation chambers can be used to measure radiation efficiency of small antennas when these are located close to lossy objects. The lossy objects represent…”
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    Journal Article
  4. 4

    OTA Testing in Multipath of Antennas and Wireless Devices With MIMO and OFDM by Kildal, Per-Simon, Orlenius, Charlie, Carlsson, Jan

    Published in Proceedings of the IEEE (01-07-2012)
    “…New over-the-air (OTA) measurement technology is wanted for quantitative testing of modern wireless devices for use in multipath. We show that the…”
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    Journal Article Conference Proceeding
  5. 5

    Characterization of Reverberation Chambers for OTA Measurements of Wireless Devices: Physical Formulations of Channel Matrix and New Uncertainty Formula by Kildal, P., Xiaoming Chen, Orlenius, C., Franzen, M., Patane, C. S. L.

    “…The paper deals with reverberation chambers for over-the-air (OTA) testing of wireless devices for use in multipath. We present a formulation of the…”
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    Journal Article
  6. 6

    Threshold Receiver Model for Throughput of Wireless Devices With MIMO and Frequency Diversity Measured in Reverberation Chamber by Kildal, P., Hussain, A., Xiaoming Chen, Orlenius, C., Skarbratt, A., Asberg, J., Svensson, T., Eriksson, T.

    “…We present a simple theoretical model for the throughput data rate of a wireless LTE device including the improvements of data rate due to diversity in…”
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    Journal Article
  7. 7

    Measuring the Impact of Multiple Terminal Antennas on the Bit Rate of Mobile Broadband Systems Using Reverberation Chambers by Andersson, M., Orlenius, C., Franzen, M.

    “…The bit rate of new mobile broadband services will be directly affected by the configuration and efficiency of the terminal antennas. Each dB not lost through…”
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    Conference Proceeding
  8. 8

    Repeatable performance measurements of MIMO systems in connected reverberation chambers with controlled keyhole effect by Orlenius, Charlie, Andersson, Mats

    Published in Radioengineering (01-12-2009)
    “…A straightforward, fast, and repeatable procedure for measuring the system performance of the antennas in a MIMO system is presented. Due to the use of two…”
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    Journal Article
  9. 9

    @@uIn Situ@ Measurement of UHF Wearable Antenna Radiation Efficiency Using a Reverberation Chamber by Conway, G A, Scanlon, W G, Orlenius, C, Walker, C

    “…The radiation efficiency and resonance frequency of five compact antennas worn by nine individual test subjects was measured at 2.45 GHz in a reverberation…”
    Get full text
    Journal Article
  10. 10

    Models for the number of independent samples in reverberation chamber measurements with mechanical, frequency, and combined stirring by Madsen, K, Hallbjorner, P, Orlenius, C

    “…The accuracy in reverberation chamber measurements relies on the chamber setup being able to generate a large number of independent measurement samples. Simple…”
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    Journal Article
  11. 11

    Measurements of realized diversity gain of active DECT phones and base-stations in a reverberation chamber by Bourhis, R., Orlenius, C., Nilsson, G., Jinstrand, S., Kildal, P.-S.

    “…The purpose of this paper is to present different setups to measure the diversity gain of active DECT telephones and base stations by use of a reverberation…”
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    Conference Proceeding
  12. 12

    A solid hand phantom for mobile phones and results of measurements in reverberation chamber by Lundmark, M., Calvo, R.S., Kildal, P.-S., Orlenius, C.

    “…A solid hand phantom for use with mobile phones is presented. It has been found that the use of the hand phantom typically causes an additional loss of…”
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    Conference Proceeding
  13. 13

    A short history of reverberation chambers for Over-the-Air measurements: The story of Bluetest from crazy idea to commercial success by Orlenius, C.

    “…The breakthrough of mobile phone communications in the late 1990's led to the invention and development of reverberation chambers for Over-the-Air measurements…”
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    Conference Proceeding
  14. 14

    Antenna performance characterization of multi-antenna terminals used in multiple-input-multiple-output communication systems by Orlenius, C

    “…With new third and fourth generation mobile communication systems emerging, there has been an increased focus on the antenna performance of mobile terminals…”
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    Conference Proceeding
  15. 15

    Measuring 4×4 MIMO capability in reverberation chambers by Rehammar, R., Skarbratt, A., Orlenius, C.

    “…We utilize two reverberation chambers (RC) to characterize two four-port antennas. The RC set-ups contain four mounted fixed antennas. This configuration…”
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    Conference Proceeding
  16. 16

    On the use of reverberation chambers for assessment of MIMO OTA performance of wireless devices by Lotback Patane, Christian, Skarbratt, A., Rehammar, R., Orlenius, C.

    “…The emerging of wireless MIMO enabled devices capable of reaching high data rate levels calls for new measurement methodologies for verifying the radiated…”
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    Conference Proceeding
  17. 17

    The double-sided 4-port bow-tie antenna: A new compact wideband MIMO antenna by Al-Rawi, Ali, Jian Yang, Orlenius, C., Franzen, M.

    “…We present a new compact ultra-wideband 4-port antenna for use in MIMO systems, such as in reverberation chambers for OTA measurements. The new antenna is…”
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    Conference Proceeding
  18. 18

    Repeatable performance measurements of MIMO systems in connected reverberation chambers with controlled keyhole effect by Orlenius, C., Andersson, M.

    “…A straightforward, fast, and repeatable procedure for measuring the system performance of the antennas in a MIMO system is presented. Due to the use of two…”
    Get full text
    Conference Proceeding
  19. 19

    Measurements of total isotropic sensitivity and average fading sensitivity of CDMA phones in reverberation chamber by Orlenius, C., Kildal, P.-S., Poilasne, G.

    “…The authors describe two ways to measure receive performance of active terminals by using a reverberation chamber, referred to as total isotropic sensitivity…”
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    Conference Proceeding
  20. 20

    MIMO LTE OTA measurements in reverberation chamber: Rich isotropic reference environment makes agreement with theoretical system model by Kildal, P., Orlenius, C., Carlberg, U.

    “…The reverberation chamber has during the last 10 years been developed into an accurate instrument for OTA measurements, having a well-defined rich isotropic…”
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    Conference Proceeding