Patent ID: 8095812
Filing Date: 2012-01-10
Classification: G06F,H04W,Y02D

Abstract:
1. A low-power ZigBee device provided with a sleeping mode and an active mode, comprising: a power supplying unit configured for supplying power; a Medium Access Control (MAC) processing unit configured for receiving a wake-up packet and for controlling a modem unit and an Radio Frequency (RF) unit; and a Central Processing Unit (CPU) configured for receiving and processing a data packet, wherein the MAC processing unit is not applied with power during a period the low-power ZigBee device is in the sleep mode and is applied with power in response to an event, the event comprises that a sleep timer is finished or an external signal is detected, the CPU is not applied with power when the MAC processing unit is applied with power in response to the event, and the MAC processing unit is configured to cause the power supplying unit to apply the power to the CPU based on a result of checking an identification (ID) of the wake-up packet.