User Manual

Appendix A - Antenna Configurations Antenna Configurations
4Motion 840 System Manual
different polarizations in each side. This configuration is suitable for combined
beam-forming plus MIMO Matrix B operation. This configuration also provides
second order diversity.
A.2.3.2 Narrow Double Dual-Slant Array (XX)
A closely spaced dual-slant pair also allows for MIMO Matrix B operation
combined with beam-forming, providing second order diversity as well.
A.2.3.3 Wide Double Dual-Slant Array (X--10λ--X)
A widely spaced dual-slant pair allows for MIMO Matrix B operation combined
with beam-forming, providing at the same time fourth order diversity. The
beam-forming gain in this configuration is lower than in the configurations
previously described.
Figure A-1: Four-Element Wide Double Dual-Slant
Figure A-2: Narrow Double Dual-Slant Array
Figure A-3: Wide Double Dual-Slant Array