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Spatial temporal characterization of UTRA FDD channels at the user equipment

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3 Author(s)
S. E. Foo ; Centre for Commun. Res., Bristol Univ., UK ; C. M. Tan ; M. A. Beach

A directional channel sounding trial from the mobile terminal was recently performed in the city of Bristol. The trial provided temporal and full azimuth view of both channels in the UMTS terrestrial radio access (UTRA) frequency division duplex (FDD) bands simultaneously via the use of a uniform circular patch array (UCPA). Extraction of the multipath components (MPCs) parameter was performed via a newly developed 2D hybrid-space space-alternating generalized expectation-maximization (HS-SAGE) algorithm. Typical propagation mechanisms observed are described as seen from the respective sample azimuth-delay power spectrum (ADPS). The similarities of both duplex channels are verified. In addition, second order statistics of delay and azimuth parameters are presented where large azimuth spreads independent of mobile terminal orientation were observed.

Published in:

Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual  (Volume:2 )

Date of Conference:

22-25 April 2003