 |
 |
 |
 |
|
 |
 |
SAE J2735-Draft-Rev28 [issued: 11-10-08]
-
207 -
This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
7.148 Data Element: DE_VehicleLength
Use: The length of the vehicle expressed in centimeters, unsigned. Note that this is a 1.5 byte value and it
is combined with a 1.5 byte value to form a 3 byte data frame. When sent alone it shall occupy 2 bytes with
the upper bits being set to zero.
ASN.1 Representation:
VehicleLength ::= INTEGER (0..4095) -- LSB units are 1 cm
XML Representation:
<xs:simpleType name="VehicleLength" >
<xs:annotation>
<xs:documentation>
LSB units are 1 cm
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:unsignedShort">
<xs:maxInclusive value="4095"/>
</xs:restriction>
</xs:simpleType>
Used By: This entry is used directly by one other data structure in this standard, a DF called
DF_VehicleSize <ASN> <XML>. In addition, this item may be used by data structures in other ITS
standards.
7.149 Data Element: DE_VehicleMass
Use: The mass of the vehicle. With an LSB of 50 kg, this produces a max range of 6350kg (about 14,00
lbs). Mass should reflect current gross mass of vehicle and contents if known, otherwise an average laden
value should be established. If cases where the mass is greater then 6350 Kg then the value of 127 shall be
used.
ASN.1 Representation:
VehicleMass ::= INTEGER (1..127) -- mass with an LSB of 50 Kg
XML Representation:
<xs:simpleType name="VehicleMass" >
<xs:annotation>
<xs:documentation>
mass with an LSB of 50 Kg
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:unsignedByte">
<xs:minInclusive value="1"/>
<xs:maxInclusive value="127"/>
</xs:restriction>
</xs:simpleType>
Used By: This entry is directly used by the following 2 other data structures in this standard (record type,
descriptive name, ASN.1, and XML name (if present) of each):
DF
<XML>, and
MSG
In addition, this item may be used by data structures in other ITS standards.
Remarks: [Note: There is debate in the Traffic Info group to change the value range used here to allow up
to 40 tons. The normal privacy and tracking concerns apply. ]
7.150 Data Element: DE_VehicleRequestStatus
Use: The VehicleRequestStatus data element is used to relate status information about a vehicle when
requesting service from a signalized intersection. It relates some basic information about the requester