Newer
Older
EulerAnglesWithConfidence ::= SEQUENCE {
zAngle CartesianAngle,
yAngle CartesianAngle OPTIONAL,
xAngle CartesianAngle OPTIONAL
}
```
### <a name="EuVehicleCategoryCode"></a>EuVehicleCategoryCode
This DF represents a vehicle category according to the UNECE/TRANS/WP.29/78/Rev.4 [i.16].
* euVehicleCategoryL of type [**EuVehicleCategoryL**](#EuVehicleCategoryL) <br>
* euVehicleCategoryM of type [**EuVehicleCategoryM**](#EuVehicleCategoryM) <br>
indicates a vehicle in the M category.
* euVehicleCategoryN of type [**EuVehicleCategoryN**](#EuVehicleCategoryN) <br>
indicates a vehicle in the N category.
* euVehicleCategoryO of type [**EuVehicleCategoryO**](#EuVehicleCategoryO) <br>
indicates a vehicle in the O category.
indicates a vehicle in the T category.
indicates a vehicle in the G category.
**Categories:** Vehicle information
**Revision:** _Created in V2.1.1_
```asn1
EuVehicleCategoryCode ::= CHOICE {
euVehicleCategoryL EuVehicleCategoryL,
euVehicleCategoryM EuVehicleCategoryM,
euVehicleCategoryN EuVehicleCategoryN,
euVehicleCategoryO EuVehicleCategoryO,
euVehicleCategoryT NULL,
euVehicleCategoryG NULL
}
```
### <a name="EventHistory"></a>EventHistory
The DF shall contain a list of [**EventPoint**](#EventPoint).
The eventPosition of each [**EventPoint**](#EventPoint) is defined with respect to the previous [**EventPoint**](#EventPoint) in the list.
Except for the first [**EventPoint**](#EventPoint) which is defined with respect to a position outside of the context of this DF.
**Categories:** GeoReference information Traffic information
**Revision:** _Generalized the semantics in V2.1.1_
NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use the [**EventZone**](#EventZone) instead.
>>>
```asn1
EventHistory::= SEQUENCE (SIZE(1..23)) OF EventPoint
```
### <a name="EventPoint"></a>EventPoint
This DF provides information related to an event at a defined position.
* eventPosition of type [**DeltaReferencePosition**](#DeltaReferencePosition) <br>
offset position of a detected event point to a defined position.
* eventDeltaTime of type [**PathDeltaTime**](#PathDeltaTime) OPTIONAL<br>
optional time travelled by the detecting ITS-S since the previous detected event point.
* informationQuality of type [**InformationQuality**](#InformationQuality) <br>
Information quality of the detection for this event point.
**Categories:** GeoReference information Traffic information
**Revision:** _generalized the semantics in V2.1.1_
```asn1
EventPoint ::= SEQUENCE {
eventPosition DeltaReferencePosition,
eventDeltaTime PathDeltaTime OPTIONAL,
informationQuality InformationQuality
}
```
The DF shall contain a list of [**EventPoint**](#EventPoint), where all [**EventPoint**](#EventPoint) either contain the COMPONENT eventDeltaTime
or do not contain the COMPONENT eventDeltaTime.
The eventPosition of each [**EventPoint**](#EventPoint) is defined with respect to the previous [**EventPoint**](#EventPoint) in the list.
Except for the first [**EventPoint**](#EventPoint) which is defined with respect to a position outside of the context of this DF.
**Categories:** GeoReference information Traffic information
**Revision:** _created in V2.1.1 based on EventHistory_
```asn1
EventZone::= EventHistory
((WITH COMPONENT (WITH COMPONENTS {..., eventDeltaTime PRESENT})) |
(WITH COMPONENT (WITH COMPONENTS {..., eventDeltaTime ABSENT})))
```
### <a name="GeneralizedLanePosition"></a>GeneralizedLanePosition
This DF indicates a transversal position in relation to the different lanes of the road.
It is an extension of DE_LanePosition to cover locations (sidewalks, bicycle paths), where Vehicle ITS-S would normally not be present.
* trafficLanePosition of type [**LanePosition**](#LanePosition) <br>
* nonTrafficLanePosition of type [**LanePositionAndType**](#LanePositionAndType) <br>
a position on a lane which is not a traffic lane.
* trafficIslandPosition of type [**TrafficIslandPosition**](#TrafficIslandPosition) <br>
* mapPosition of type [**MapPosition**](#MapPosition) <br>
a position on a lane identified in a MAPEM.
**Categories:** Road Topology information
**Revision:** _created in V2.1.1_
```asn1
GeneralizedLanePosition::= CHOICE {
trafficLanePosition LanePosition,
nonTrafficLanePosition LanePositionAndType,
trafficIslandPosition TrafficIslandPosition,
mapPosition MapPosition,
...
}
```
### <a name="Heading"></a>Heading
This DF represents the Heading in a WGS84 co-ordinates system.
The specific WGS84 coordinate system is specified by the corresponding standards applying this DE.
* headingValue of type [**HeadingValue**](#HeadingValue) <br>
* headingConfidence of type [**HeadingConfidence**](#HeadingConfidence) <br>
the confidence value of the heading value with a predefined confidence level.
**Categories:** Kinematic Information
**Revision:** _Description revised in V2.1.1_
NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use the [**Wgs84Angle**](#Wgs84Angle) instead.
>>>
```asn1
Heading ::= SEQUENCE {
headingValue HeadingValue,
headingConfidence HeadingConfidence
}
```
### <a name="HeadingChangeIndication"></a>HeadingChangeIndication
This DF provides information associated to heading change indicators such as a change of direction.
* direction of type [**TurningDirection**](#TurningDirection) <br>
* actionDeltaTime of type [**DeltaTimeTenthOfSecond**](#DeltaTimeTenthOfSecond) <br>
the period over which a direction change action is performed.
**Categories:** Kinematic Information
**Revision:** _created in V2.1.1_
```asn1
HeadingChangeIndication ::= SEQUENCE {
direction TurningDirection,
actionDeltaTime DeltaTimeTenthOfSecond,
...
}
```
### <a name="InterferenceManagementChannel"></a>InterferenceManagementChannel
* centreFrequency of type **INTEGER** (1 .. 99999)<br>
the centre frequency of the channel in 10<sup>(exp+2)</sup> Hz (where exp is exponent)
* channelWidth of type **INTEGER** (0 .. 9999)<br>
width of the channel in 10<sup>exp</sup> Hz (where exp is exponent)
exponent of the power of 10 used in the calculation of the components above.
**Categories:** Communication information
**Revision:** _created in V2.1.1_
```asn1
InterferenceManagementChannel ::= SEQUENCE {
centreFrequency INTEGER (1 .. 99999),
channelWidth INTEGER (0 .. 9999),
exponent INTEGER (0 .. 15)
}
```
### <a name="InterferenceManagementZone"></a>InterferenceManagementZone
This DF represents a zone inside which the ITS communication should be restricted in order to manage interference.
* zoneDefinition of type [**InterferenceManagementZoneDefinition**](#InterferenceManagementZoneDefinition) <br>
contains the geographical definition of the zone.
* managementInfo of type [**InterferenceManagementInfo**](#InterferenceManagementInfo) <br>
contains interference management information applicable in the zone defined in the component zoneDefinition.
**Categories:** Communication information
**Revision:** _created in V2.1.1_
```asn1
InterferenceManagementZone ::= SEQUENCE {
zoneDefinition InterferenceManagementZoneDefinition,
managementInfo InterferenceManagementInfo
}
```
### <a name="InterferenceManagementZoneDefinition"></a>InterferenceManagementZoneDefinition
This DF represents the geographical definition of the zone where band sharing occurs.
* interferenceManagementZoneLatitude of type [**Latitude**](#Latitude) <br>
Latitude of the centre point of the interference management zone.
* interferenceManagementZoneLongitude of type [**Longitude**](#Longitude) <br>
Longitude of the centre point of the interference management zone.
* interferenceManagementZoneId of type [**ProtectedZoneId**](#ProtectedZoneId) OPTIONAL<br>
optional identification of the interference management zone.
* interferenceManagementZoneShape of type [**Shape**](#Shape) (WITH COMPONENTS{..., radial ABSENT, radialShapes ABSENT}) OPTIONAL<br>
shape of the interference management zone placed at the centre point.
**Categories:** Communication information
**Revision:** _created in V2.1.1_
```asn1
InterferenceManagementZoneDefinition::= SEQUENCE{
interferenceManagementZoneLatitude Latitude,
interferenceManagementZoneLongitude Longitude,
interferenceManagementZoneId ProtectedZoneId OPTIONAL,
interferenceManagementZoneShape Shape (WITH COMPONENTS{..., radial ABSENT, radialShapes ABSENT}) OPTIONAL,
...
}
```
### <a name="InterferenceManagementInfo"></a>InterferenceManagementInfo
This DF shall contain a list of up to 16 definitions containing interference management information, per affected frequency channels.
**Categories:** Communication information.
**Revision:** _created in V2.1.1_
```asn1
InterferenceManagementInfo::= SEQUENCE (SIZE(1..16,...)) OF InterferenceManagementInfoPerChannel
```
### <a name="InterferenceManagementInfoPerChannel"></a>InterferenceManagementInfoPerChannel
This DF contains interference management information for one affected frequency channel.
* interferenceManagementChannel of type [**InterferenceManagementChannel**](#InterferenceManagementChannel) <br>
frequency channel for which the zone should be applied interference management
* interferenceManagementZoneType of type [**InterferenceManagementZoneType**](#InterferenceManagementZoneType) <br>
type of the interference management zone.
* interferenceManagementMitigationType of type [**MitigationForTechnologies**](#MitigationForTechnologies) OPTIONAL<br>
optional type of the mitigation to be used in the interference management zone.
In the case where no mitigation should be applied by the ITS-S, this is indicated by the field interferenceManagementMitigationType being absent.
* expiryTime of type [**TimestampIts**](#TimestampIts) OPTIONAL<br>
optional time at which the validity of the interference management communication zone will expire.
This component is present when the interference management is temporarily valid
**Categories:** Communication information
**Revision:** _created in V2.1.1_
```asn1
InterferenceManagementInfoPerChannel ::= SEQUENCE {
interferenceManagementChannel InterferenceManagementChannel,
interferenceManagementZoneType InterferenceManagementZoneType,
interferenceManagementMitigationType MitigationForTechnologies OPTIONAL,
expiryTime TimestampIts OPTIONAL,
...
}
```
### <a name="InterferenceManagementZones"></a>InterferenceManagementZones
This DF shall contain a list of up to 16 interference management zones.
**EXAMPLE**: An interference management communication zone may be defined around a CEN DSRC road side equipment or an urban rail operational area.
**Categories:** Communication information
**Revision:** _created in V2.1.1_
```asn1
InterferenceManagementZones ::= SEQUENCE (SIZE(1..16), ...) OF InterferenceManagementZone
```
### <a name="IntersectionReferenceId"></a>IntersectionReferenceId
This DF represents a unique id for an intersection, in accordance with ETSI TS 103 301 [i.15].
* region of type [**Identifier2B**](#Identifier2B) OPTIONAL<br>
the optional identifier of the entity that is responsible for the region in which the intersection is placed.
It is the duty of that entity to guarantee that the [**Id**](#Id) is unique within the region.
* id of type [**Identifier2B**](#Identifier2B) <br>
the identifier of the intersection
**Categories:** Road topology information
**Revision:** _created in V2.1.1_
NOTE: when the component region is present, the IntersectionReferenceId is guaranteed to be globally unique.
>>>
```asn1
IntersectionReferenceId ::= SEQUENCE {
region Identifier2B OPTIONAL,
id Identifier2B
}
```
### <a name="ItineraryPath"></a>ItineraryPath
This DF shall contain a list of waypoints [**ReferencePosition**](#ReferencePosition).
**Categories:** GeoReference information
**Revision:** _Editorial update in V2.1.1_
```asn1
ItineraryPath ::= SEQUENCE SIZE(1..40) OF ReferencePosition
```
### <a name="ItsPduHeader"></a>ItsPduHeader
This DF represents a common message header for application and facilities layer messages.
It is included at the beginning of an ITS message as the message header.
* protocolVersion of type [**OrdinalNumber1B**](#OrdinalNumber1B) <br>
* messageId of type [**MessageId**](#MessageId) <br>
* stationId of type [**StationId**](#StationId) <br>
the identifier of the ITS-S that generated the ITS message.
**Categories:** Communication information
**Revision:** _update in V2.1.1: messageID and stationID changed to messageId and stationId; messageId is of type MessageId._
}
```
### <a name="LanePositionAndType"></a>LanePositionAndType
This DF indicates a transversal position in resolution of lanes and the associated lane type.
* transversalPosition of type [**LanePosition**](#LanePosition) <br>
the type of the lane identified in the component transversalPosition.
**Categories:** Road topology information
**Revision:** _Created in V2.1.1_
```asn1
LanePositionAndType::= SEQUENCE {
transversalPosition LanePosition,
laneType LaneType,
...
}
```
### <a name="LateralAcceleration"></a>LateralAcceleration
This DF indicates the vehicle acceleration at lateral direction and the confidence value of the lateral acceleration.
* lateralAccelerationValue of type [**LateralAccelerationValue**](#LateralAccelerationValue) <br>
lateral acceleration value at a point in time.
* lateralAccelerationConfidence of type [**AccelerationConfidence**](#AccelerationConfidence) <br>
confidence value of the lateral acceleration value.
**Categories:** Vehicle information
**Revision:** _Description revised in V2.1.1_
NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use [**AccelerationComponent**](#AccelerationComponent) instead.
>>>
```asn1
LateralAcceleration ::= SEQUENCE {
lateralAccelerationValue LateralAccelerationValue,
lateralAccelerationConfidence AccelerationConfidence
}
```
### <a name="LongitudinalAcceleration"></a>LongitudinalAcceleration
This DF indicates the vehicle acceleration at longitudinal direction and the confidence value of the longitudinal acceleration.
* longitudinalAccelerationValue of type [**LongitudinalAccelerationValue**](#LongitudinalAccelerationValue) <br>
longitudinal acceleration value at a point in time.
* longitudinalAccelerationConfidence of type [**AccelerationConfidence**](#AccelerationConfidence) <br>
confidence value of the longitudinal acceleration value.
**Categories:** Vehicle information
NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use [**AccelerationComponent**](#AccelerationComponent) instead.
>>>
```asn1
LongitudinalAcceleration ::= SEQUENCE {
longitudinalAccelerationValue LongitudinalAccelerationValue,
longitudinalAccelerationConfidence AccelerationConfidence
}
```
### <a name="LongitudinalLanePosition"></a>LongitudinalLanePosition
This DF represents the estimated position along the longitudinal length of a particular lane.
* longitudinalLanePositionValue of type [**LongitudinalLanePositionValue**](#LongitudinalLanePositionValue) <br>
the mean value of the longitudinal position within a particular length.
* longitudinalLanePositionConfidence of type [**LongitudinalLanePositionConfidence**](#LongitudinalLanePositionConfidence) <br>
**Categories:** Road topology information
**Revision:** _created in V2.1.1_
```asn1
LongitudinalLanePosition ::= SEQUENCE {
longitudinalLanePositionValue LongitudinalLanePositionValue,
longitudinalLanePositionConfidence LongitudinalLanePositionConfidence
}
```
### <a name="LowerTriangularPositiveSemidefiniteMatrices"></a>LowerTriangularPositiveSemidefiniteMatrices
This DF shall contain a list of a lower triangular positive semi-definite matrices.
**Categories:** Sensing information
**Revision:** _Created in V2.1.1_
```asn1
LowerTriangularPositiveSemidefiniteMatrices::= SEQUENCE SIZE (1..4) OF LowerTriangularPositiveSemidefiniteMatrix
```
### <a name="LowerTriangularPositiveSemidefiniteMatrix"></a>LowerTriangularPositiveSemidefiniteMatrix
This DF represents a lower triangular positive semi-definite matrix.
* componentsIncludedIntheMatrix of type [**MatrixIncludedComponents**](#MatrixIncludedComponents) <br>
the indication of which components of a [**PerceivedObject**](#PerceivedObject) are included in the matrix.
This component also implicitly indicates the number n of included components which defines the size (n x n) of the full correlation matrix "A".
* matrix of type [**LowerTriangularPositiveSemidefiniteMatrixColumns**](#LowerTriangularPositiveSemidefiniteMatrixColumns) <br>
the list of cells of the lower triangular positive semi-definite matrix ordered by columns and by rows.
The number of columns to be included "k" is equal to the number of included components "n" indicated by componentsIncludedIntheMatrix minus 1: k = n-1.
These components shall be included in the order or their appearance in componentsIncludedIntheMatrix.
Each column "i" of the lowerTriangularCorrelationMatrixColumns contains k-(i-1) values.
**Categories:** Sensing information
**Revision:** _Created in V2.1.1_
```asn1
LowerTriangularPositiveSemidefiniteMatrix ::= SEQUENCE{
componentsIncludedIntheMatrix MatrixIncludedComponents,
matrix LowerTriangularPositiveSemidefiniteMatrixColumns
}
```
### <a name="LowerTriangularPositiveSemidefiniteMatrixColumns"></a>LowerTriangularPositiveSemidefiniteMatrixColumns
This DF represents the columns of a lower triangular positive semi-definite matrix, each column not including the main diagonal cell of the matrix.
Given a matrix "A" of size n x n, the number of [**CorrelationColumn**](#CorrelationColumn) to be included in the lower triangular matrix is k=n-1.
**Categories:** Sensing information
**Revision:** _Created in V2.1.1_
LowerTriangularPositiveSemidefiniteMatrixColumns ::= SEQUENCE SIZE (1..13) OF CorrelationColumn
```
### <a name="MapPosition"></a>MapPosition
This DF indicates a position on a topology description transmitted in a MAPEM according to ETSI TS 103 301 [i.15].
* mapReference of type [**MapReference**](#MapReference) OPTIONAL<br>
optionally identifies the MAPEM containing the topology information.
It is absent if the MAPEM topology is known from the context.
* laneId of type [**Identifier1B**](#Identifier1B) OPTIONAL<br>
optionally identifies the lane in the road segment or intersection topology on which the position is located.
* connectionId of type [**Identifier1B**](#Identifier1B) OPTIONAL<br>
optionally identifies the connection inside the conflict area of an intersection, i.e. it identifies a trajectory for travelling through the
conflict area of an intersection which connects e.g an ingress with an egress lane.
* longitudinalLanePosition of type [**LongitudinalLanePosition**](#LongitudinalLanePosition) OPTIONAL<br>
optionally indicates the longitudinal offset of the map-matched position of the object along the lane or connection.
**Categories:** Road topology information
**Revision:** _Created in V2.1.1_
```asn1
MapPosition ::= SEQUENCE {
mapReference MapReference OPTIONAL,
laneId Identifier1B OPTIONAL,
connectionId Identifier1B OPTIONAL,
longitudinalLanePosition LongitudinalLanePosition OPTIONAL,
...
}
((WITH COMPONENTS {..., laneId PRESENT, connectionId ABSENT }) |
(WITH COMPONENTS {..., laneId ABSENT, connectionId PRESENT }))
```
### <a name="MapReference"></a>MapReference
This DF provides the reference to the information contained in a MAPEM according to ETSI TS 103 301 [i.15].
* roadsegment of type [**RoadSegmentReferenceId**](#RoadSegmentReferenceId) <br>
option that identifies the description of a road segment contained in a MAPEM.
* intersection of type [**IntersectionReferenceId**](#IntersectionReferenceId) <br>
option that identifies the description of an intersection contained in a MAPEM.
**Categories:** Road topology information
**Revision:** _Created in V2.1.1_
```asn1
MapReference::= CHOICE {
roadsegment RoadSegmentReferenceId,
intersection IntersectionReferenceId
}
```
The specified message rate is: mantissa*(10^exponent)
**Categories:** Communication information
**Revision:** _Created in V2.1.1_
```asn1
MessageRateHz::= SEQUENCE {
mantissa INTEGER (1..100),
exponent INTEGER (-5..2)
}
```
### <a name="MessageSegmentationInfo"></a>MessageSegmentationInfo
This DF provides information about a message with respect to the segmentation process at the sender.
* totalMsgNo of type [**CardinalNumber3b**](#CardinalNumber3b) <br>
indicates the total number of messages that has been used on the transmitter side to encode the information.
* thisMsgNo of type [**OrdinalNumber3b**](#OrdinalNumber3b) <br>
indicates the position of the message within of the total set of messages.
**Categories:** Communication information
**Revision:** _Created in V2.1.1_
```asn1
MessageSegmentationInfo ::= SEQUENCE {
totalMsgNo CardinalNumber3b,
thisMsgNo OrdinalNumber3b
}
```
### <a name="MitigationForTechnologies"></a>MitigationForTechnologies
This DF shall contain a list of [**MitigationPerTechnologyClass**](#MitigationPerTechnologyClass).
**Categories:** Communication information
**Revision:** _Created in V2.1.1_
```asn1
MitigationForTechnologies ::= SEQUENCE (SIZE(1..8)) OF MitigationPerTechnologyClass
```
### <a name="MitigationPerTechnologyClass"></a>MitigationPerTechnologyClass
This DF represents a set of mitigation parameters for a specific technology, as specified in ETSI TS 103 724 [i.24], clause 7.
* accessTechnologyClass of type [**AccessTechnologyClass**](#AccessTechnologyClass) <br>
channel access technology to which this mitigation is intended to be applied.
* lowDutyCycle of type **INTEGER** (0 .. 10000) OPTIONAL<br>
* powerReduction of type **INTEGER** (0 .. 30) OPTIONAL<br>
the delta value of power to be reduced.
* dmcToffLimit of type **INTEGER** (0 .. 1200) OPTIONAL<br>
idle time limit as defined in ETSI TS 103 175 [i.19].
* dmcTonLimit of type **INTEGER** (0 .. 20) OPTIONAL<br>
Transmission duration limit, as defined in ETSI EN 302 571 [i.20].
**Categories:** Communication information
**Revision:** _Created in V2.1.1_
NOTE: All parameters are optional, as they may not apply to some of the technologies or
interference management zone types. Specification details are in ETSI TS 103 724 [i.24], clause 7.
>>>
```asn1
MitigationPerTechnologyClass ::= SEQUENCE {
accessTechnologyClass AccessTechnologyClass,
lowDutyCycle INTEGER (0 .. 10000) OPTIONAL,
powerReduction INTEGER (0 .. 30) OPTIONAL,
dmcToffLimit INTEGER (0 .. 1200) OPTIONAL,
dmcTonLimit INTEGER (0 .. 20) OPTIONAL,
...
}
```
### <a name="ObjectClass"></a>ObjectClass
This DF indicates both the class and associated subclass that best describes an object.
* vehicleSubClass of type [**TrafficParticipantType**](#TrafficParticipantType) (unknown|passengerCar..tram|agricultural)<br>
the object is a road vehicle and the specific subclass is specified.
* vruSubClass of type [**VruProfileAndSubprofile**](#VruProfileAndSubprofile) <br>
the object is a VRU and the specific subclass is specified.
* groupSubClass of type [**VruClusterInformation**](#VruClusterInformation) (WITH COMPONENTS{..., clusterBoundingBoxShape ABSENT})<br>
the object is a VRU group or cluster and the cluster information is specified.
* otherSubClass of type [**OtherSubClass**](#OtherSubClass) <br>
the object is of a different type than the above and the specific subclass is specified.
**Categories:** Sensing information
**Revision:** _Created in V2.1.1_
vehicleSubClass TrafficParticipantType (unknown|passengerCar..tram|agricultural),
vruSubClass VruProfileAndSubprofile,
groupSubClass VruClusterInformation (WITH COMPONENTS{..., clusterBoundingBoxShape ABSENT}),
otherSubClass OtherSubClass,
...
}
```
### <a name="ObjectClassDescription"></a>ObjectClassDescription
**Categories:** Sensing information
**Revision:** _Created in V2.1.1_
```asn1
ObjectClassDescription ::= SEQUENCE (SIZE(1..8)) OF ObjectClassWithConfidence
```
### <a name="ObjectClassWithConfidence"></a>ObjectClassWithConfidence
This DF represents the classification of a detected object together with a confidence level.
* objectClass of type [**ObjectClass**](#ObjectClass) <br>
* confidence of type [**ConfidenceLevel**](#ConfidenceLevel) <br>
**Categories:** Sensing information
**Revision:** _Created in V2.1.1_
```asn1
ObjectClassWithConfidence ::= SEQUENCE {
objectClass ObjectClass,
confidence ConfidenceLevel
}
```
### <a name="ObjectDimension"></a>ObjectDimension
This DF represents a dimension of an object together with a confidence value.
It shall include the following components:
* value of type [**ObjectDimensionValue**](#ObjectDimensionValue) <br>
the object dimension value which can be estimated as the mean of the current distribution.
* confidence of type [**ObjectDimensionConfidence**](#ObjectDimensionConfidence) <br>
the associated confidence value.
**Categories:** Sensing information
**Revision:** _Created in V2.1.1_
ObjectDimension ::= SEQUENCE {
value ObjectDimensionValue,
confidence ObjectDimensionConfidence
}
```
### <a name="Path"></a>Path
This DF represents a path with a set of path points.
It shall contain up to `40` [**PathPoint**](#PathPoint).
The first PathPoint presents an offset delta position with regards to an external reference position.
Each other PathPoint presents an offset delta position and optionally an offset travel time with regards to the previous PathPoint.
**Categories:** GeoReference information Vehicle information
**Revision:** _created in V2.1.1 based on PathHistory_
```asn1
Path::= SEQUENCE (SIZE(0..40)) OF PathPoint
```
### <a name="PathHistory"></a>PathHistory
This DF represents a path history with a set of path points.
It shall contain up to `40` [**PathPoint**](#PathPoint).
The first PathPoint presents an offset delta position with regards to an external reference position.
Each other PathPoint presents an offset delta position and optionally an offset travel time with regards to the previous PathPoint.
**Categories:** GeoReference information Vehicle information
**Revision:** _semantics updated in V2.1.1_
NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use [**Path**](#Path) instead.
```
### <a name="PathPredicted"></a>PathPredicted
This DF represents a predicted path with a set of path points.
It shall contain up to `15` [**PathPoint**](#PathPoint).
The first PathPoint presents an offset delta position with regards to an external reference position.
Each other PathPoint presents an offset delta position and optionally an offset travel time with regards to the previous PathPoint.
**Categories:** GeoReference information
**Revision:** _created in V2.1.1 based on PathHistory_
```asn1
PathPredicted::= SEQUENCE (SIZE(0..15,...)) OF PathPointPredicted
```
### <a name="PathPoint"></a>PathPoint
This DF defines an offset waypoint position within a path.
* pathPosition of type [**DeltaReferencePosition**](#DeltaReferencePosition) <br>
The waypoint position defined as an offset position with regards to a pre-defined reference position.
* pathDeltaTime of type [**PathDeltaTime**](#PathDeltaTime) OPTIONAL<br>
The optional travel time separated from a waypoint to the predefined reference position.
**Categories:** GeoReference information
**Revision:** _semantics updated in V2.1.1_
```asn1
PathPoint ::= SEQUENCE {
pathPosition DeltaReferencePosition,
pathDeltaTime PathDeltaTime OPTIONAL
}
```
### <a name="PathPointPredicted"></a>PathPointPredicted
This DF defines a predicted offset waypoint position within a path.
* deltaLatitude of type [**DeltaLatitude**](#DeltaLatitude) <br>
an offset latitude with regards to a pre-defined reference position.
* deltaLongitude of type [**DeltaLongitude**](#DeltaLongitude) <br>
an offset longitude with regards to a pre-defined reference position.
* horizontalPositionConfidence of type [**PosConfidenceEllipse**](#PosConfidenceEllipse) OPTIONAL<br>
the confidence value associated to the horizontal geographical position.
* deltaAltitude of type [**DeltaAltitude**](#DeltaAltitude) DEFAULT unavailable<br>
an offset altitude with regards to a pre-defined reference position.
* altitudeConfidence of type [**AltitudeConfidence**](#AltitudeConfidence) DEFAULT unavailable<br>
the confidence value associated to the altitude value of the geographical position.
* pathDeltaTime of type [**DeltaTimeTenthOfSecond**](#DeltaTimeTenthOfSecond) <br>
The travel time separated from the waypoint to the predefined reference position.
**Categories:** GeoReference information
**Revision:** _semantics updated in V2.1.1_
```asn1
PathPointPredicted::= SEQUENCE {
deltaLatitude DeltaLatitude,
deltaLongitude DeltaLongitude,