Communication system, child system and control method...

Details Communication system, child system and control method... Communication system, child system and control method...

2011-06-21

2011-06-21

Rao, Seema S (Department: 2462)

Multiplex communications

Communication over free space

Signaling for performing battery saving

C370S329000, C370S337000, C370S348000, C370S468000, C455S343400

Reexamination Certificate

active

07965666

ABSTRACT:
A communication system comprises a control station and a child station. The child station decides a communication period between the child station and the control station in order to maintain a connection state in a power save mode. The decision of the communication period is performed in accordance with a predetermined wake-up period, a time-out value that maintains the connection state even when no communication is taking place, and a frame length that is a unit of the communication. The child station decides on the time-out value to be the communication period when the wake-up period is greater than the time-out period, and decides on the wake-up period to be the communication period when the wake-up period is less than or equal to the time-out period. The child station then transmits the decided communication period to the control station.

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