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SAE J2735-Draft-Rev15 [issued: 01-30-07]
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This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
              </xs:restriction>
           </xs:simpleType>
         </xs:attribute>
      </xs:extension>
   </xs:simpleContent>
</xs:complexType>
<xs:simpleType name="PayloadData-string">
   <xs:restriction base="xs:base64Binary">
      <xs:minLength value="2"/>
      <xs:maxLength value="2731"/>
   </xs:restriction>
</xs:simpleType >
Used by: This entry is used directly by one other data structure in this standard, a MSG called MSG_GenericTransferMsg
<ASN> <XML>.   In addition, this item may be used by data structures in other ITS standards.
7.32 Data Element: DE_Payload
Use: A data element to convey bulk information as a stream of bytes.
ASN.1 Representation:
Payload ::= OCTET STRING (SIZE(1..64))
XML Representation:
<xs:complexType name="Payload" >
   <xs:simpleContent>
      <xs:extension base="Payload-string" >
         <xs:attribute name="EncodingType" use="required">
           <xs:simpleType>
              <xs:restriction base="xs:NMTOKEN">
                 <xs:enumeration value="base64Binary"/>
              </xs:restriction>
           </xs:simpleType>
         </xs:attribute>
      </xs:extension>
   </xs:simpleContent>
</xs:complexType>
<xs:simpleType name="Payload-string">
   <xs:restriction base="xs:base64Binary">
      <xs:minLength value="2"/>
      <xs:maxLength value="86"/>
   </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):
MSG
<ASN> <XML>, and
MSG
In addition, this item may be used by data structures in other ITS standards.
7.33 Data Element: DE_PositionConfidence
Use: This DE is used to provide to listeners the confidence interval of the 95% confidence level for the currently
reported value of entries such as the DE_Position entries, taking into account the current calibration and precision
of the sensor(s) used to measure and/or calculate the value.  It is used in the horizontal plane.  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.