H ELECTRICITY
H04 ELECTRIC COMMUNICATION TECHNIQUE
H04W WIRELESS COMMUNICATION NETWORKS
52/00 Power management; , e.g. Transmission Power Control [TPC] or power classes
H04W52/02 Power saving arrangements
H04W52/0209 in terminal devices
H04W52/0261 managing power supply demand, e.g. depending on battery level
H04W52/0274 by switching on or off the equipment or parts thereof
H04W52/028 switching on or off only a part of the equipment circuit blocks