H
ELECTRICITY
H
ELECTRICITY
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04W
WIRELESS COMMUNICATION NETWORKS
H04W
WIRELESS COMMUNICATION NETWORKS
H04W4/00
Services specially adapted for wireless communication networks; Facilities therefor
H04W4/00
Services specially adapted for wireless communication networks; Facilities therefor
H04W4/30
Services specially adapted for particular environments, situations or purposes
H04W4/30
Services specially adapted for particular environments, situations or purposes
H04W4/38
for collecting sensor information
H04W4/38
for collecting sensor information