Establishing emergency sessions in packet data networks for wireless devices having invalid subscriber identities
First Claim
1. A method in a wireless subscriber device having a subscriber identity, the method comprising:
- transmitting a network connection request and the subscriber identity;
receiving a network connection rejection in response to transmitting the network connection request and the subscriber identity;
transmitting an emergency connection indicator after receiving the network connection rejection.
4 Assignments
0 Petitions
Accused Products
Abstract
A method in a wireless communications network including receiving (310) a network connection request from a subscriber device having an invalid subscriber identity, connecting (340) the subscriber device, from which the network connection request was received, to the wireless communications network for limited purposes only upon determining (320) that the subscriber device has in invalid subscriber identity in the absence of a limited network connection indicator in the network connection request. In some embodiments, a limited attach message indicates that the attach request is for limited purposes.
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Citations
23 Claims
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1. A method in a wireless subscriber device having a subscriber identity, the method comprising:
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transmitting a network connection request and the subscriber identity;
receiving a network connection rejection in response to transmitting the network connection request and the subscriber identity;
transmitting an emergency connection indicator after receiving the network connection rejection. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method in a wireless subscriber device having a subscriber identity, the method comprising:
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predicting initiation of an emergency session on the subscriber device;
transmitting a network connection request and the subscriber identity;
the network request including an emergency connection indicator indicating that the connection request is for an emergency session. - View Dependent Claims (9)
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10. A wireless subscriber device having a subscriber identity, the wireless subscriber device comprising:
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a processor coupled to a transmitter;
the processor for controlling the transmitter to transmit a network connection request and the subscriber identity upon powering-up the wireless subscriber device, the processor for controlling the transmitter to transmit an emergency connection indicator in response to receiving a network connection rejection. - View Dependent Claims (11, 12)
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13. A method in a wireless communications network, the method comprising:
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receiving a network connection request and an invalid subscriber identity from a subscriber device in the network;
transmitting a network connection rejection to the subscriber device from which the invalid subscriber identity was received in response to receiving the invalid subscriber identity;
receiving a limited connection indicator from the subscriber device from which the invalid subscriber identity was received in response to transmitting the network connection rejection. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A method in a wireless communications network, the method comprising:
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receiving a network connection request from a subscriber device having an invalid subscriber identity;
connecting the subscriber device, from which the network connection request was received, to the wireless communications network for limited purposes upon determining that the subscriber device has in invalid subscriber identity, in the absence of a limited network connection indicator in the network connection request. - View Dependent Claims (20, 21, 22)
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23. A packet-data network attach request message for transmission from a wireless subscriber device to a wireless communications network, packet-data network attach request message comprising:
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a subscriber device identification;
an emergency attach indicator indicating that the attach request is for emergency sessions only, the emergency attach indicator is one of the following bit combinations;
000;
100;
101;
110; and
111.
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Specification