Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-02-08
2008-11-25
Pérez-Gutiérrez, Rafael (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S435100, C455S435300, C455S436000, C455S433000, C455S434000
Reexamination Certificate
active
07457621
ABSTRACT:
The present invention discloses a method for preventing Wireless Local Area Network (WLAN) from frequent network selection interaction. Every time it is needed to issue the information of operating networks of mobile communications, decide according to the number of times for which the information has been issued in a defined period of time whether the information of operating networks of mobile communications is allowed to be issued. If allowed, go ahead with issuing the information of operating networks of mobile communications and record the number of times for which the information has been issued; otherwise, stop issuing the information. When the decision period changes, update the issuing record. When a request for issuing information is received after the issuing has been stopped, discard the request or issue the information after a delay. This invention can prevent WLAN from suffering congestion induced by the network selection mechanism or attacks launched by malicious UEs.
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Huawei Technologies Co. Ltd.
Marshall, Gerestein & Borun LLP
Perez-Gutierrez Rafael
Win Aung T
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