Retry for Telematics Packet Data Connection Failures in CDMA 1xRTT Network
First Claim
1. A method of resolving a failed wireless broadband packet session between a telematics unit and a remote entity, the method comprising:
- establishing a wireless broadband packet session between the telematics unit and the remote entity, wherein the packet session utilizes multiple serial communications links;
detecting at the telematics unit that the packet session has failed due to a failure of one of the multiple serial communications links;
accessing a record of past failure modes and determining respective ranks of the multiple serial communications links based on failure risk; and
retrying each of the multiple serial communications links in order of the respective ranks to reestablish the packet session.
7 Assignments
0 Petitions
Accused Products
Abstract
A technique and system are provided for executing retry procedures to resolve a packet connection failure during a CDMA 1xRTT packet session. In particular, the DTE is configured and controlled to retry based on either failure signals from the NAD or the Application Service Timer. Moreover, in one aspect, the DIE is configured and controlled to retry the packet connection selectively for traffic channel assignment failure, PPP connection failure, TCP/IP connection failure and Application service failure. In this way, the end user will experience a shorter service delivery time for packet-based telematics services.
10 Citations
20 Claims
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1. A method of resolving a failed wireless broadband packet session between a telematics unit and a remote entity, the method comprising:
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establishing a wireless broadband packet session between the telematics unit and the remote entity, wherein the packet session utilizes multiple serial communications links; detecting at the telematics unit that the packet session has failed due to a failure of one of the multiple serial communications links; accessing a record of past failure modes and determining respective ranks of the multiple serial communications links based on failure risk; and retrying each of the multiple serial communications links in order of the respective ranks to reestablish the packet session. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of reconnecting a failed CDMA 1xRTT packet session between a telematics unit and a remote entity, the method comprising:
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establishing a wireless CDMA 1xRTT packet session between the telematics unit and the remote entity, wherein the packet session utilizes multiple serial communications links including an application service, having an application service timer, and a network access device; detecting an error signal at the telematics unit, the error signal originating from one of the application service timer and the network address device, the error signal indicating that the packet session has failed due to a failure of one of the multiple serial communications links; determining whether the error signal originated from the application service timer or the network address device; establishing a retry sequence to retry selected ones of the multiple serial communications links based on the origin of the received error signal; and reestablishing the failed packet session. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A computer readable medium having thereon computer executable instructions for resolving a failed CDMA 1xRTT packet session between a telematics unit and a remote entity, the computer executable instructions comprising:
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instructions for establishing a wireless CDMA 1xRTT packet session between the telematics unit and the remote entity, wherein the packet session utilizes multiple serial communications links; instructions for detecting at the telematics unit that the packet session has failed due to a failure of one of the multiple serial communications links; instructions for accessing a record of past failure modes and determining respective ranks of the multiple serial communications links based on failure risk; and instructions for retrying each of the multiple serial communications links in order of the respective ranks to reestablish the packet session. - View Dependent Claims (18, 19, 20)
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Specification