Patent ID: 7209728
Filing Date: 2007-04-24
Classification: H04W,Y02D

Abstract:
1. A mobile communication terminal apparatus which alternately sets a wakeup period and a sleep period in a standby state and receives a radio signal transmitted from an active base station during synchronization establishment and a radio signal transmitted from a neighboring base station existing near the active base station in a wakeup period, comprising: first detection means for detecting a reception quality of the radio signal from the active base station in the wakeup period; second detection means for detecting a reception quality of the radio signal from the neighboring base station in the wakeup period; third detection means for detecting a difference between the reception quality detected by the first detection means and the reception quality detected by the second detection means; and setting means for setting a duration of a wakeup period as a next reception target in accordance with the reception quality difference detected by the third detection means.