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1.
  • Yu, Kai, et al. (författare)
  • A 20 MHz HIPERLAN/2 MIMO Channel Model in NLOS Indoor Scenarios
  • 2002
  • Ingår i: Nordic Conference on Radio Science and Communications (RVK). ; s. 311-315
  • Konferensbidrag (övrigt vetenskapligt)abstract
    • In this paper, we present results of 5.2 GHz wideband indoor multiple input multiple output (MIMO) channel measurementsunder the EU IST SATURN project. First we show the average power delay profile for the single input single output (SISO) channel. Furthermore, our investigation shows that for non-line-of-sight (NLOS) indoor scenarios, the MIMO channel covariance matrix of each normalized tap of channel impulse response can be be well approximated by the Kronecker product of the covariance matrices seen from the transmitter and receiver respectively.Based on the above results, a wideband statistical model for HiperLAN/2 MIMO channel is presented. Monte-Carlo simulations show reasonably good agreement between the measured data and our model. Finally, weuse this model to show the capacity characteristics of theHiperLAN/2 channel in NLOS indoor scenarios.
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2.
  • Yu, Kai, et al. (författare)
  • Measurement Analysis of NLOS Indoor MIMO Channels
  • 2001
  • Ingår i: Proceedings IST Mobile Communications Summit. ; s. 277-282
  • Konferensbidrag (övrigt vetenskapligt)abstract
    • In this paper, we present results from measurements conducted by the University of Bristol.We study the channel characteristics of Multiple-Input-Multiple-Output (MIMO) indoor channel at 5.2GHz. Our investigation shows that the envelope of the channel for non-line-of-sight (NLOS) indoorsituations is approximately Rayleigh distributed and consequently we focus on a statistical descriptionof the first and second order moments of the narrowband MIMO channel. Furthermore, it is shown thatfor NLOS indoor scenarios, the MIMO channel covariance matrix can be well modeled by a Kroneckerproduct of the covariance matrices describing the correlation at the transmitter and the receiver siderespectively. A statistical narrowband model for the NLOS indoor MIMO channel based on thiscovariance structure is presented along with some simulation results.
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  • Resultat 1-2 av 2
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konferensbidrag (2)
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övrigt vetenskapligt (2)
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Bengtsson, Mats, 196 ... (2)
Yu, Kai (2)
Karlsson, Peter, (2)
Beach, Mark, (2)
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Kungliga Tekniska Högskolan (2)
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