Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-11-08
2005-11-08
Ferguson, Keith (Department: 2683)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S424000, C455S425000, C455S067110, C455S453000, C455S450000, C455S422100, C370S235000, C370S237000, C370S248000, C370S250000
Reexamination Certificate
active
06963741
ABSTRACT:
A method and device for controlling resources to avoid congestion in a cellular radio system having a mobile terminal connectable to a network via one or more base stations. When the mobile terminal sends an uplink signal, each base station receives a different uplink signal due to different radio paths between the mobile terminal and the base station. A resulting signal corresponding to the uplink signal sent from the mobile terminal is derived from the received signals, and the importance of each received signal to the resulting signal is determined. If there is a shortage or a projected shortage of resources to handle current or projected traffic demand in the base station, downlink radio links from the base station to the mobile terminal are prioritized according to the determined importance of each received uplink signal, and resources are freed from lower priority downlink radio links to avoid congestion.
REFERENCES:
patent: 5684793 (1997-11-01), Kiema et al.
patent: 5862485 (1999-01-01), Linneweh et al.
patent: 6192248 (2001-02-01), Solondz
patent: 2002/0065082 (2002-05-01), Yegani et al.
patent: 2003/0069035 (2003-04-01), Shurvinton
patent: 98/48530 (1998-10-01), None
patent: 99/16185 (1999-04-01), None
International-Type Search Report prepared in connection with SE 0001423-3 by the Swedish Patent Office and completed on Oct. 18, 2000.
Johansson Lars
Müller Walter
Ferguson Keith
Telefonaktiebolaget LM Ericsson(publ)
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