Apparatus and a method for controlling a priority access and channel assignment call in a mobile telecommunication system
First Claim
1. A method for controlling a priority access and channel assignment (PACA) call in a mobile telecommunication system, the method comprising:
- sending a new origination message from a mobile station in a PACA state to a base station;
sending a service request message for the PACA call from the base station to a mobile switching center;
requesting from the mobile switching center that the base station assign a traffic channel to the mobile station;
assigning an available traffic channel to the mobile station to start a communication; and
distinguishing the PACA call service from an ordinary call service.
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Abstract
Disclosed is a method for controlling a PACA call in a mobile telecommunications system, which comprises: sending a new origination message from a mobile station in a PACA state to a base station; sending a service request message for a PACA call from the base station to a mobile switching center, requesting from the mobile switching center the base station to assign a traffic channel to the mobile station; assigning an available traffic channel to the mobile station to start a communication; and distinguishing the PACA call service from an ordinary call service.
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Citations
17 Claims
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1. A method for controlling a priority access and channel assignment (PACA) call in a mobile telecommunication system, the method comprising:
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sending a new origination message from a mobile station in a PACA state to a base station;
sending a service request message for the PACA call from the base station to a mobile switching center;
requesting from the mobile switching center that the base station assign a traffic channel to the mobile station;
assigning an available traffic channel to the mobile station to start a communication; and
distinguishing the PACA call service from an ordinary call service. - View Dependent Claims (2, 3, 4)
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5. A method for controlling a PACA call in a mobile telecommunication system, the method comprising:
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determining whether or not an origination message from a mobile station for the PACA call has the same subscriber'"'"'s registered location as the subscriber'"'"'s registered location in a visitor location register (VLR);
determining that the mobile station has been handed off from a previous base station to a new base station if the subscriber'"'"'s registered location of the origination message is not the same as that of the VLR;
sending a first PACA call update message to the previous base station; and
deleting the first PACA call information from the previous base station. - View Dependent Claims (6, 7, 8, 9, 10)
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11. A method for controlling a PACA call in a mobile telecommunication system, the method comprising:
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sending a PACA call cancel message from a mobile station in a PACA state to a base station;
sending a PACA call update message from the base station to a mobile switching center; and
sending a mobile station PACA CALL update message from the mobile switching center to the VLR. - View Dependent Claims (12)
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13. A method for controlling a PACA call in a mobile telecommunication system, the method comprising:
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analyzing information from a receiving subscriber toward which a call signal is directed; and
canceling the call signal when a mobile station of the receiving subscriber is in a PACA state. - View Dependent Claims (14, 15)
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16. A system for controlling a priority access and channel assignment (PACA) call in a mobile telecommunication system, the system comprising:
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a mobile station configured to send a new origination message in a PACA state to a base station;
the base station configured to send a service request message for the PACA call to a mobile switching center;
the mobile switching center configured to request the base station to assign a traffic channel to the mobile station;
the base station further configured to assign an available traffic channel to the mobile station to start a communication; and
the mobile switching center further configured to distinguish the PACA call from an ordinary call service.
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17. An apparatus for controlling a priority access and channel assignment (PACA) call in a mobile telecommunication system, the apparatus comprising:
a mobile switching center configured to distinguish a PACA call from an ordinary call service.
Specification