H
ELECTRICITY
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04B
TRANSMISSION
H04B7/00
Radio transmission systems, i.e. using radiation field
H04B7/02
Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
H04B7/04
using two or more spaced independent antennas
H04B7/08
at the receiving station
H04B7/0837
using pre-detection combining
H04B7/0842
Weighted combining
H04B7/086
using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming