METHOD FOR REDUCING THE POWER CONSUMPTION IN A MOBILE COMMUNICATION RECEIVER AND A SYSTEM FOR THE REALIZATION OF THE METHOD

摘要

The method and the device can be applied in communicationsengineering, in particular in cellular communication systemshaving a transmitter and one or more receivers. They reduce thepower consumption of the receivers. This was attained when forevery receiver (122) a time interval is set during which itmonitors the transmissions, i.e. it is in an active state.Transmitter (120) trasmits messages (143) to receiver (122) onlywhen it is in an active state. In non-active state receiver (122)can perform operation which do not require any coordination withthe transmitter (120). With a power controller (147) it canexclude components used for monitoring the transmissions (146). Alittle time before the preset time for the receiver the latter(12) transmits power to these components and performsinitializations which can include the acquisition of a pilotsignal (134) from transmitter (120), by which receiver (122)synchronizes its clock signal (156) if that had not happenedduring the time of its previous non-active state.48 claims, 9 figures.