Telecommunications – Radiotelephone system – Auxiliary data signaling
Reexamination Certificate
1998-10-19
2001-04-10
Bost, Dwayne (Department: 2681)
Telecommunications
Radiotelephone system
Auxiliary data signaling
C455S039000, C340S870030
Reexamination Certificate
active
06216008
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a short message service for a mobile radio terminal and, in particular, to a method and apparatus for retransmitting a short message in a mobile radio terminal upon a transmission failure of the short message.
2. Description of the Related Art
A short message service (hereinafter referred to as “SMS”) enables message communication between mobile radio terminals or between a mobile radio terminal and a wired telephone. In the latter case, the short messages from a fixed communication network (e.g., a Public Switched Telephone Network (PSTN) or an Integrated Services Digital Network (ISDN)) are stored in a processing unit of a motile communication network, converted to digital data, and then transmitted to the mobile radio terminal.
However, when a mobile radio terminal such as, for example, a Global Systems for Mobile (GSM) communication telephone is in a non-service state or cannot access a base station, the mobile radio terminal will not be able to successfully transmit a short message. Conventionally, in the case of a transmission failure as described above, the mobile radio terminal switches to an idle state or some other operating state, irrespective of the user's intent to retransmit the short message. As a result, a user should input the short message he or she previously input in order to retransmit the same. Accordingly, it would be desirable and highly advantageous to provide a method for retransmitting a short message that has not been transmitted due to a transmission failure.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a method and apparatus for querying a user to determine whether or not the user desires to retransmit a short message which has not been successfully transmitted due to a transmission failure, and retransmitting the short message when the user so desires.
In accordance with one aspect of the present invention, a method for retransmitting a short message in a mobile radio terminal upon a transmission failure of the short message, comprises the steps of: transmitting the short message and determining whether the short message is successfully transmitted; determining whether a user selects a retransmission function for the short message, when the short message is not successfully transmitted; and retransmitting the short message, when the user selects the retransmission function.
REFERENCES:
patent: 5577102 (1996-11-01), Koivunen
patent: 5628051 (1997-05-01), Salin
patent: 5678179 (1997-10-01), Turcotte et al.
patent: 5692032 (1997-11-01), Seppanen et al.
patent: 5878351 (1999-03-01), Alanara et al.
patent: 5878397 (1999-03-01), Stille et al.
patent: 5974300 (1999-10-01), LaPorta et al.
patent: 6014429 (2000-01-01), LaPorta et al.
Bost Dwayne
Dilworth & Barrese LLP
Samsung Electronics Co., Inc.
Vuong Quochien B.
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