Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04B
TRANSMISSION
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1/00
Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
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H04B1/69
Spread spectrum techniques
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H04B1/707
using direct sequence modulation
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H04B1/7097
Interference-related aspects
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H04B1/711
the interference being multi-path interference
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H04B1/7113
Determination of path profile
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