IPC Subgroup
H04B 7/02 Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas
Introduced: September 1968
Last revised: January 2018
Full Title
Radio transmission systems, i.e. using radiation field > Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION
Scope Notes
Limiting references: RAKE receivers
Related Keywords
transmission systems using DIVERSITY
4 direct subcodes
Child Classifications
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- H04B 7/022 Site diversity; Macro-diversity
- H04B 7/04 using two or more spaced independent antennas
- H04B 7/1 Polarisation diversity; Directional diversity
- H04B 7/12 Frequency diversity