2011
DOI: 10.1109/tap.2011.2164181
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Modeling Propagation in Multifloor Buildings Using the FDTD Method

Abstract: A three-dimensional parallel implementation of the finite-difference time-domain (FDTD) method has been used to identify and isolate the dominant propagation mechanisms in a multistorey building at 1.0 GHz. A novel method to visualize energy flow by computing streamlines of the Poynting vector has been developed and used to determine the dominant propagation mechanisms within the building. It is found that the propagation mechanisms depend on the level of internal clutter modeled. Including metallic and lossy … Show more

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Cited by 58 publications
(35 citation statements)
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“…This characteristic also pertains to the building measured in [3]. As noted, the effects of such reflected signals have been studied in [7] and [8].…”
Section: A Measurement Sitesmentioning
confidence: 83%
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“…This characteristic also pertains to the building measured in [3]. As noted, the effects of such reflected signals have been studied in [7] and [8].…”
Section: A Measurement Sitesmentioning
confidence: 83%
“…In Figure 4 (d), the latest (large delay) three components are likely the external ones, since the relative excess delay is approximately equal to that computed for a reflection from the nearby building. The existence of external signal components decreases the path loss exponents (as in [8], increases the RMS-DS significantly, and changes the trend of RMS-DS with Tx-Rx distance.…”
Section: A Example Pdpsmentioning
confidence: 98%
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“…The results show a different trend, yielding the path loss exponent around 3 for single floor case and around 5.5 for all other cases. The reason for this behavior may be found in [4][5][6][7][8][9]. Transmitted ray is not the principal mechanism of propagation, especially not between distanced floors.…”
Section: Discussionmentioning
confidence: 99%
“…The same deterministic method has been employed in [8] to determine the path loss characteristics between numerous floors, considering the wave polarization among other parameters. In [9] authors employ complex 3D finitedifference time-domain (FDTD) method in order to assess the inter-floor wide band channel impulse response.…”
Section: Introductionmentioning
confidence: 99%