Communication system, and communication device and...

Details Communication system, and communication device and... Communication system, and communication device and...

2005-05-31

2005-05-31

Trinh, Sonny (Department: 2687)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S343500, C455S343100, C455S343200, C455S343300, C455S041200, C455S507000, C370S311000

Reexamination Certificate

active

06901275

ABSTRACT:
An object of the present invention is to prevent from concentrating communication on one terminal, thereby avoiding an increase in power consumption and thereby prolonging the network configuration time when forming a network by a plurality of devices. A wireless communication device Pa established as a master receives battery information including battery remaining amount, communication possible time, a possibility of becoming a master, from wireless communication devices Pb, Pc, Pd established as slaves within a wireless network, and decides a candidate terminal for the next master based on the battery information. A master/slave switching instruction is issued to a candidate terminal for the next master from the wireless communication device Pa, under a master/slave switching condition, when the battery remaining amount of the master becomes the established value or less, and the like. This can prevent from concentrating communication on one terminal, so to make the power consumption of the respective terminals uniform and prolong the configuration time of the wireless network.

REFERENCES:
patent: 4449248 (1984-05-01), Leslie et al.
patent: 5682379 (1997-10-01), Mahany et al.
patent: 6192230 (2001-02-01), van Bokhorst et al.
patent: 2002/0090914 (2002-07-01), Kang et al.
patent: 2003/0124979 (2003-07-01), Tanada et al.
patent: 2003/0220076 (2003-11-01), Katayama et al.
patent: 4-241533 (1992-08-01), None

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