Methods for processing correction messages, correcting position measurements of GNSS receiver, and related apparatuses
AssigneeMediatek Inc.
InventorKung-Shuan Huang
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Abstract
Methods and apparatuses for processing correction messages in a GNSS receiver are provided. One of the proposed methods includes providing a first storage unit; receiving a plurality of correction messages from at least one data sources, wherein a plurality of assistance data are carried by the plurality of correction messages; and storing a portion of the assistance data in the first storage unit without storing remaining assistance data in the GNSS receiver.
Claims22
A method for processing correction messages in a GNSS receiver, comprising:
- providing a first storage unit;
- receiving a plurality of correction messages from at least one data sources, wherein a plurality of assistance data are carried by the plurality of correction messages;
- and
- storing a portion of the assistance data in the first storage unit without storing remaining assistance data in the GNSS receiver.
A GNSS receiver, comprising:
- a first storage unit;
- a receiving module for receiving a plurality of correction messages from at least one data sources, wherein a plurality of assistance data are carried by at least one of correction messages;
- and
- a decision unit, coupled to the receiving module and the first storage unit, for storing a portion of the assistance data in the first storage unit without storing remaining assistance data in the GNSS receiver.
A method for correcting position measurements of a GNSS receiver, comprising:
- providing a first storage unit;
- receiving a plurality of correction messages from at least one data sources, wherein a plurality of assistance data are carried by the plurality of correction messages;
- storing a portion of the assistance data in the first storage unit without storing remaining assistance data in the GNSS receiver;
- and
- modifying at least one of a pseudo-range measurement and a Doppler measurement of the GNSS receiver according to the assistance data stored in the first storage unit.
Dependencies are inferred from the claim text.