Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2011-08-16
2011-08-16
Hu, Jinsong (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S435200, C455S435300, C455S436000, C455S516000, C455S525000
Reexamination Certificate
active
08000705
ABSTRACT:
Provided is an apparatus and method for preventing successive failures in a call connection in a mobile communication terminal. When a call connection is attempted, a cell with the highest RX power is selected among cells and an RRC Connection Request message is transmitted from the mobile terminal to a BS of the selected cell. It is determined whether the mobile terminal receives an RRC Connection Accept/Reject message from the BS. If the mobile terminal receives an RRC Connection Reject message from the BS of the selected cell, it is determined whether the selected cell is able to perform the RRC connection by detecting a Connection Reject message frequency that is the number of times of rejection of an RRC connection request for a predetermined period. If the selected cell is not able to perform the RRC connection, a neighboring cell is reselected and an RRC Connection Request message is transmitted to the reselected neighboring cell.
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Kim Noh-Sun
Kim Yu-Shin
Moon Yong-Suk
Hong Dung
Hu Jinsong
Samsung Electronics Co,. Ltd
The Farrell Law Firm P.C.
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