A method, an apparatus and a carrier medium storing instructions to implement the method. The method is in a first wireless station of a wireless network, and includes wirelessly receiving a signal corresponding to a packet wirelessly transmitted by a second wireless station. The packet includes a subpacket and a check sequence. The method further includes verifying the integrity of the subpacket, the verifying at least using the check sequence. The method further includes, in the case that the subpacket fails the verifying, reducing the power consumption of at least one component in the first wireless station for a time interval.