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SAE J2735-Draft-Rev26 [issued: 09-18-08]
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128 -
This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
currently reported value of DE_Elevation, taking into account the current calibration and precision of the
sensor(s) used to measure and/or calculate the value. This data element is only to provide the listener with
information on the limitations of the sensing system; not to support any type of automatic error correction
or to imply a guaranteed maximum error. This data element should not be used for fault detection or
diagnosis, but if a vehicle is able to detect a fault, the confidence interval should be increased accordingly.
The frame of references and axis of rotation used shall be accordance with that defined in SAE J670, Issued
1976-07 and its successors. Note the definitions provided in Figure 1 (Tire Axis System) and Figure 2
(Directional Control Axis Systems).
ASN.1 Representation:
ElevationConfidence ::= ENUMERATED {
notEquipped (0), -- B'0000 Not Equipped
elev-500-00 (1), -- B'0001 (500 m)
elev-200-00 (2), -- B'0010 (200 m)
elev-100-00 (3), -- B'0011 (100 m)
elev-050-00 (4), -- B'0100 (50 m)
elev-020-00 (5), -- B'0101 (20 m)
elev-010-00 (6), -- B'0110 (10 m)
elev-005-00 (7), -- B'0111 (5 m)
elev-002-00 (8), -- B'1000 (2 m)
elev-001-00 (9), -- B'1001 (1 m)
elev-000-50 (10), -- B'1010 (50 cm)
elev-000-20 (11), -- B'1011 (20 cm)
elev-000-10 (12), -- B'1100 (10 cm)
elev-000-05 (13), -- B'1101 (5 cm)
elev-000-02 (14), -- B'1110 (2 cm)
elev-000-01 (15) -- B'1111 (1 cm)
}
-- Encoded as a 4 bit value
XML Representation:
<xs:simpleType name="ElevationConfidence" >
<xs:annotation>
<xs:appinfo>
notEquipped (0) -- B'0000 Not Equipped
elev 500 00 (1) -- B'0001 (500 m)
elev 200 00 (2) -- B'0010 (200 m)
elev 100 00 (3) -- B'0011 (100 m)
elev 050 00 (4) -- B'0100 (50 m)
elev 020 00 (5) -- B'0101 (20 m)
elev 010 00 (6) -- B'0110 (10 m)
elev 005 00 (7) -- B'0111 (5 m)
elev 002 00 (8) -- B'1000 (2 m)
elev 001 00 (9) -- B'1001 (1 m)
elev 000 50 (10) -- B'1010 (50 cm)
elev 000 20 (11) -- B'1011 (20 cm)
elev 000 10 (12) -- B'1100 (10 cm)
elev 000 05 (13) -- B'1101 (5 cm)
elev 000 02 (14) -- B'1110 (2 cm)
elev 000 01 (15) -- B'1111 (1 cm)
</xs:appinfo>
<xs:documentation>
Encoded as a 4 bit value
</xs:documentation>
</xs:annotation>
<xs:union>
<xs:simpleType>
<xs:restriction base="xs:unsignedInt">
<xs:minInclusive value="0"/>
<xs:maxInclusive value="15"/>
</xs:restriction>
</xs:simpleType>
<xs:simpleType>
<xs:restriction base="xs:string">
<xs:enumeration value="notEquipped"/>
<xs:enumeration value="elev 500 00"/>
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