1     Definition

GNSS Object refers to

  1. GNSS Data from a Global Navigation Satellite System (GNSS) obtained from an integration of a constellation of satellites that transmit position and timing data to GNSS receivers and enable them to determine the receivers’ location.
  2. GNSS Data Qualifier specified by MPAI-TFA providing information on Sub-Types, Formats and Attributes.

2       Functional Requirements

GNSS Data can come from four GNSSs – GPS (US), GLONASS (RU), Galileo (EU), BeiDou (CN) and two regional systems – QZSS (Japan) and IRNSS or NavIC (India). Accuracy of the Position obtained from GNSS Data depends on the GNSS system used.

3       Syntax

https://schemas.mpai.community/CAV2/V1.1/data/GNSSObject.json

4       Semantics

Label Description
Header GNSS Object Header
– Standard-GNSSObject The characters “CAV-GNO-V”
– Version Major version – 1 or 2 characters
– Dot-separator The character “.”
– Subversion Minor version – 1 or 2 characters
MInstanceID Identifier of M-Instance.
GNSSObjectID Identifier of the GNSS Object.
GNSSObjectSpaceTime Space and Time info of Data Object.
GNSSData Data of the GNSS Object
GNSSDataQualifier Qualifier of GNSS Dats.
DescrMetadata Descriptive Metadata