Program, relay apparatus control method, wireless...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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Details

C455S437000, C455S438000, C370S331000, C370S332000

Reexamination Certificate

active

10999794

ABSTRACT:
Measurement packets periodically transmitted from a terminal are received by an access point, a reception level value is detected, in the case of the Measurement packet from the terminal which has been notified of connection permission, the reception level value is registered into a management table (association table). In the case of the Measurement packet from the terminal which is not notified of the connection permission, the reception level value is notified to another access point which has been notified of the connection permission and the reception level value from another access point is further registered into the management table. The own reception level value registered in the management table is compared with the reception level value of another access point. If the reception level value of another access point exceeds the own reception level value, the connection permission to the terminal is cancelled and the switching to the next access point is notified. Even if different channels have been set in the adjacent access points, the roaming for switching the connection of the terminal to the access point at which optimum communication quality is obtained can be executed.

REFERENCES:
patent: 5640414 (1997-06-01), Blakeney et al.
patent: 6546058 (2003-04-01), Gilhousen et al.
patent: 6608823 (2003-08-01), Kito
patent: 6901061 (2005-05-01), Joo et al.
patent: 6975608 (2005-12-01), Park et al.
patent: 2003/0119507 (2003-06-01), Semper
patent: 2005/0096052 (2005-05-01), Csapo et al.
patent: 7-23442 (1995-01-01), None
patent: 9-83545 (1997-03-01), None
patent: 10-89980 (1998-04-01), None
patent: 2002-185458 (2002-06-01), None

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