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SAE J2735-Draft-Rev18 [issued: 06-26-07]
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42 -
This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
6.7 Data Frame: DF_ConfidenceSet
Use: A set of various measurement confidence values about the vehicle.
ASN.1 Representation:
ConfidenceSet ::= SEQUENCE {
accelConfidence AccelSteerYawRateConfidence,
-- contains lat, long, vert, and yaw
speedConfidence SpeedandHeadingConfidence,
timeConfidence TimeConfidence,
posConfidence PositionConfidenceSet,
steerConfidence SteeringWheelAngleConfidence,
throttleConfidence ThrottleConfidence
}
XML Representation:
<xs:complexType name="ConfidenceSet" >
<xs:sequence>
<xs:element name="accelConfidence" type="AccelSteerYawRateConfidence" />
<!-- contains lat, long, vert, and yaw -->
<xs:element name="speedConfidence" type="SpeedandHeadingConfidence" />
<xs:element name="timeConfidence" type="TimeConfidence" />
<xs:element name="posConfidence" type="PositionConfidenceSet" />
<xs:element name="steerConfidence" type="SteeringWheelAngleConfidence" />
<xs:element name="throttleConfidence" type="ThrottleConfidence" />
</xs:sequence>
</xs:complexType>
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
DF
In addition, this item may be used by data structures in other ITS standards.
6.8 Data Frame: DF_DDate
Use: The DSRC style date is a compound value consisting of finite-length sequences of integers (not
characters) of the form: "yyyy, mm, dd" - as defined below. Because the length of each element is known,
no inner element tagging is normally used in transmission. Thus, this data frame occupies 4 bytes in total.
ASN.1 Representation:
DDate ::= SEQUENCE {
year DYear, -- 2 bytes
month DMonth, -- 1 byte
day DDay -- 1 byte
}
XML Representation:
<xs:complexType name="DDate" >
<xs:sequence>
<xs:element name="year" type="DYear" />
<!-- 2 bytes -->
<xs:element name="month" type="DMonth" />
<!-- 1 byte -->
<xs:element name="day" type="DDay" />
<!-- 1 byte -->
</xs:sequence>
</xs:complexType>
Used by: This entry is used directly by one other data structure in this standard, a DF called DF_ValueList