Error recovery for a GNSS
AssigneeQUALCOMM Incorporated
InventorsLohitha Ratnaraj, Sumit Bhattacharya, Jeffrey Wong
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Abstract
A method of wireless communication at a UE is disclosed herein. The method includes obtaining an indication of an occurrence of a GNSS error. The method includes storing, in memory and based on the indication, first position information for the UE that was obtained prior to the obtainment of the indication. The method includes obtaining, subsequent to an error recovery process, second position information for the UE. The method includes accepting or rejecting the second position information based on a comparison of the first position information, the second position information, and a set of conditions for the first position information and the second position information.
Claims30
An apparatus for wireless communication at a user equipment (UE), comprising:
- at least one memory;
- a global navigation satellite system (GNSS) receiver;
- and
- at least one processor coupled to the at least one memory and, based at least in part on information stored in the at least one memory, the at least one processor is configured to:
- obtain an indication of an occurrence of a global navigation satellite system (GNSS) error;
- search for a satellite vehicle via the GNSS receiver based on the occurrence of the GNSS error;
- store, in the at least one memory and based on the indication, first position information for the UE that was obtained prior to the obtainment of the indication;
- obtain, from the satellite vehicle via the GNSS receiver subsequent to an error recovery process, second position information for the UE based on a periodicity;
- and
- accept or reject, based on the periodicity, the second position information based on a comparison of the first position information, the second position information, and a set of conditions for the first position information and the second position information, wherein the at least one processor is configured to reject the second position information based on a difference between the first position information and the second position information being less than a difference threshold.
A method of wireless communication at a user equipment (UE), comprising:
- obtaining an indication of an occurrence of a global navigation satellite system (GNSS) error;
- searching for a satellite vehicle via a GNSS receiver based on the occurrence of the GNSS error;
- storing, in memory and based on the indication, first position information for the UE that was obtained prior to the obtainment of the indication;
- obtaining, from the satellite vehicle via the GNSS receiver subsequent to an error recovery process, second position information for the UE based on a periodicity;
- and
- accepting or rejecting, based on the periodicity, the second position information based on a comparison of the first position information, the second position information, and a set of conditions for the first position information and the second position information, wherein rejecting the second position information is based on a difference between the first position information and the second position information being less than a difference threshold.
An apparatus for wireless communication at a user equipment (UE), comprising:
- means for obtaining an indication of an occurrence of a global navigation satellite system (GNSS) error;
- means for searching for a satellite vehicle via a GNSS receiver based on the occurrence of the GNSS error;
- means for storing, in memory and based on the indication, first position information for the UE that was obtained prior to the obtainment of the indication;
- means for obtaining, from the satellite vehicle via the GNSS receiver subsequent to an error recovery process, second position information for the UE based on a periodicity;
- and
- means for accepting or rejecting, based on the periodicity, the second position information based on a comparison of the first position information, the second position information, and a set of conditions for the first position information and the second position information, wherein rejecting the second position information is based on a difference between the first position information and the second position information being less than a difference threshold.
A non-transitory computer-readable medium storing computer executable code at a user equipment (UE), the computer executable code, when executed by at least one processor, causes the at least one processor to:
- obtain an indication of an occurrence of a global navigation satellite system (GNSS) error;
- search for a satellite vehicle via a GNSS receiver based on the occurrence of the GNSS error;
- store, in memory and based on the indication, first position information for the UE that was obtained prior to the obtainment of the indication;
- obtain, from the satellite vehicle via the GNSS receiver subsequent to an error recovery process, second position information for the UE based on a periodicity;
- and
- accept or reject, based on the periodicity, the second position information based on a comparison of the first position information, the second position information, and a set of conditions for the first position information and the second position information, wherein the computer executable code, when executed by the at least one processor, causes the at least one processor to reject the second position information based on a difference between the first position information and the second position information being less than a difference threshold.
Dependencies are inferred from the claim text.