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 “CAV-GNO-Vx.y”.
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 Data.
DataXMData Information about this GNSS Object Instance.
DescrMetadata Descriptive Metadata.