Updating method for trigger message counter, machine type communication server and terminal

摘要

An updating method for a trigger message counter, a machine type communication server and a terminal are provided. The updating method for the trigger message counter includes: a machine type communication (MTC) server setting a trigger message counter locally, setting an upper limit and a lower limit of the trigger message counter and initializing a value of the trigger message counter; the MTC server sending trigger message to a terminal through a machine type communication-interworking function (MTC-IWF); and the MTC server receiving confirmation message returned by the terminal, and updating the value of the trigger message counter according to the confirmation message. With the above-mentioned updating method, the machine type communication server and the terminal, the server or the terminal is enabled to set and update the trigger message counter correctly, thus preventing the terminal or the server from detecting, responding to or canceling the trigger message wrongly.

主权项

1. An updating method for a trigger message counter, the method comprising:
a machine type communication (MTC) server setting a trigger message counter locally, setting an upper limit and a lower limit of the trigger message counter and initializing a value of the trigger message counter; the MTC server sending trigger message to a terminal through a machine type communication-interworking function (MTC-IWF); the MTC server receiving confirmation message returned by the terminal, and updating the value of the trigger message counter according to the confirmation message; wherein, the MTC server sending the trigger message to the terminal through the MTC-IWF comprises: the MTC server sending the trigger message to the MTC-IWF, wherein the trigger message contains an external identification of the terminal and a trigger sequence number; the MTC-IWF receiving the trigger message, finding a short message service center (SMS-SC) where the terminal is located according to the external identification of the terminal contained in the trigger message, and an one-to-one mapping table between the external identification and an internal identification of the terminal and a many-to-one mapping table between the internal identification and the SMS-SC stored locally, and sending newly-structured trigger message to the found SMS-SC, wherein the newly-structured trigger message contains the trigger sequence number and terminal route information; the SMS-SC receiving the newly-structured trigger message, and sending short message carrying the newly-structured trigger message to the terminal through a mobility management unit according to the terminal route information contained in the newly-structured trigger message; and wherein, the mobility management unit comprises one or more of a mobility management entity (MME), a Service General Packet Radio Service (GPRS) Supporting Node (SGSN) and a Mobile Switching Center (MSC).