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Investigation of Polarization Deficiencies in SIMO Systems in Random-LOS Propagation Channels

Aidin Razavi (Institutionen för signaler och system, Antennsystem) ; Andres Alayon Glazunov (Institutionen för signaler och system, Antennsystem) ; Per-Simon Kildal (Institutionen för signaler och system, Antennsystem) ; Jian Yang (Institutionen för signaler och system, Antennsystem)
2015 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP) (2015)
[Konferensbidrag, refereegranskat]

We study the probability of detecting the bitstream of a 2 x 1 SIMO polarization-diversity system with co-located orthogonally polarized antenna ports on the receiving side of a free-space propagation environment with arbitrary angle-of-arrival, i.e., in so-called Random-Line-Of-Sight (Random-LOS) propagation environments. We show how the diversity gain degrades in directions where the two orthogonal ports have non-orthogonal far-field functions or an amplitude imbalance. We also show that the system performance is better when one side of the link is circularly polarized and the other side is linearly polarized.

Nyckelord: diversity gain, antennas, mimo



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Denna post skapades 2016-08-26.
CPL Pubid: 240830