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**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.
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Fields:
* eventPosition [**DeltaReferencePosition**](#DeltaReferencePosition) <br>
offset position of a detected event point to a defined position.
* eventDeltaTime [**PathDeltaTime**](#PathDeltaTime) OPTIONAL<br>
optional time travelled by the detecting ITS-S since the previous detected event point.
* informationQuality [**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
}
```
### <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.
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The following options are available:
Fields:
* trafficLanePosition [**LanePosition**](#LanePosition) <br>
a position on a traffic lane.
* nonTrafficLanePosition [**LanePositionAndType**](#LanePositionAndType) <br>
a position on a lane which is not a traffic lane.
* trafficIslandPosition [**TrafficIslandPosition**](#TrafficIslandPosition) <br>
a position on a traffic island
* mapPosition [**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.
Fields:
* headingValue [**HeadingValue**](#HeadingValue) <br>
the heading value.
* headingConfidence [**HeadingConfidence**](#HeadingConfidence) <br>
the confidence value of the heading value with a predefined confidence level.
**Categories**: Kinematics 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.
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Fields:
* direction [**TurningDirection**](#TurningDirection) <br>
the direction of heading change value.
* actionDeltaTime [**DeltaTimeTenthOfSecond**](#DeltaTimeTenthOfSecond) <br>
the period over which a direction change action is performed.
**Categories**: Kinematics Information
**Revision**: _created in V2.1.1_
```asn1
HeadingChangeIndication ::= SEQUENCE {
direction TurningDirection,
actionDeltaTime DeltaTimeTenthOfSecond,
...
}
```
### <a name="InterferenceManagementChannel"></a>InterferenceManagementChannel
This DF represents a frequency channel
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Fields:
* centreFrequency **INTEGER** (1 .. 99999)<br>
the centre frequency of the channel
* channelWidth **INTEGER** (0 .. 9999)<br>
width of the channel
* exponent **INTEGER** (0 .. 15)<br>
of the power of 10
**Unit**: _N/A_
**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.
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Fields:
* zoneDefinition [**InterferenceManagementZoneDefinition**](#InterferenceManagementZoneDefinition) <br>
contains the geographical definition of the zone.
* managementInfo [**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.
Fields:
* interferenceManagementZoneLatitude [**Latitude**](#Latitude) <br>
Latitude of the centre point of the interference management zone.
* interferenceManagementZoneLongitude [**Longitude**](#Longitude) <br>
Longitude of the centre point of the interference management zone.
* interferenceManagementZoneId [**ProtectedZoneId**](#ProtectedZoneId) OPTIONAL<br>
optional identification of the interference management zone.
* interferenceManagementZoneShape [**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.
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Fields:
* interferenceManagementChannel [**InterferenceManagementChannel**](#InterferenceManagementChannel) <br>
frequency channel for which the zone should be applied interference management
* interferenceManagementZoneType [**InterferenceManagementZoneType**](#InterferenceManagementZoneType) <br>
type of the interference management zone.
* interferenceManagementMitigationType [**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 [**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].
Fields:
* region [**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 [**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 [**OrdinalNumber1B**](#OrdinalNumber1B) <br>
version of the ITS message.
* messageId [**MessageId**](#MessageId) <br>
type of the ITS message.
* stationId [**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._
```asn1
ItsPduHeader ::= SEQUENCE {
}
```
### <a name="LanePositionAndType"></a>LanePositionAndType
This DF indicates a transversal position in resolution of lanes and the associated lane type.
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Fields:
* transversalPosition [**LanePosition**](#LanePosition) <br>
the transversal position.
* laneType [**LaneType**](#LaneType) <br>
the type of the lane identified in the component transversalPosition.
**Categories**: GeoReference 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.
Fields:
* lateralAccelerationValue [**LateralAccelerationValue**](#LateralAccelerationValue) <br>
lateral acceleration value at a point in time.
* lateralAccelerationConfidence [**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 [**Acceleration1d**](#Acceleration1d) 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.
Fields:
* longitudinalAccelerationValue [**LongitudinalAccelerationValue**](#LongitudinalAccelerationValue) <br>
longitudinal acceleration value at a point in time.
* longitudinalAccelerationConfidence [**AccelerationConfidence**](#AccelerationConfidence) <br>
confidence value of the longitudinal acceleration value.
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**Categories**: Vehicle information
**Revision**: _V1.3.1_
>>>
NOTE: this DF is kept forbackwards compatibility reasons only. It is recommended to use [**Acceleration1d**](#Acceleration1d) 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.
Fields:
* longitudinalLanePositionValue [**LongitudinalLanePositionValue**](#LongitudinalLanePositionValue) <br>
the mean value of the longitudinal position within a particular length.
* longitudinalLanePositionConfidence [**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
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This DF represents a lower triangular positive semi-definite matrix.
It shall include the following components:
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.
Fields:
* componentsIncludedIntheMatrix [**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 [**LowerTriangularPositiveSemidefiniteMatrixColumns**](#LowerTriangularPositiveSemidefiniteMatrixColumns) <br>
the list of cells of the lower triangular positive semi-definite matrix ordered by columns and by rows.
**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 columns [**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].
Fields:
* mapReference [**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 [**Identifier1B**](#Identifier1B) OPTIONAL<br>
optionally identifies the lane in the road segment or intersection topology on which the position is located.
* connectionId [**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 [**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].
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The following options are provided:
Fields:
* roadsegment [**RoadSegmentReferenceId**](#RoadSegmentReferenceId) <br>
option that identifies the description of a road segment contained in a MAPEM.
* intersection [**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
}
```
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### <a name="MessageRateHz"></a>MessageRateHz
This DE indicates a message rate.
The specified message rate is: mantissa*(10^exponent)
Fields:
* mantissa **INTEGER** (1..100)<br>
indicates the mantissa.
* exponent **INTEGER** (-5..2)<br>
indicates the exponent.
**Unit**: _Hz_
**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 [**CardinalNumber3b**](#CardinalNumber3b) <br>
indicates the total number of messages that has been used on the transmitter side to encode the information.
* thisMsgNo [**OrdinalNumber3b**](#OrdinalNumber3b) <br>
indicates the position of the message within of the total set of messages.
```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.
Fields:
* accessTechnologyClass [**AccessTechnologyClass**](#AccessTechnologyClass) <br>
channel access technology to which this mitigation is intended to be applied.
* lowDutyCycle **INTEGER** (0 .. 10000) OPTIONAL<br>
duty cycle limit.
* powerReduction **INTEGER** (0 .. 30) OPTIONAL<br>
the delta value of power to be reduced.
* dmcToffLimit **INTEGER** (0 .. 1200) OPTIONAL<br>
idle time limit as defined in ETSI TS 103 175 [i.19].
* dmcTonLimit **INTEGER** (0 .. 20) OPTIONAL<br>
Transmission duration limit, as defined in ETSI EN 302 571 [i.20].
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**Unit**: _ms_
**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.
The following options are available:
Fields:
* vehicleSubClass [**VehicleSubClass**](#VehicleSubClass) <br>
the object is a road vehicle.
* vruSubClass [**VruProfileAndSubprofile**](#VruProfileAndSubprofile) <br>
the object is a VRU.
* groupSubClass [**VruClusterInformation**](#VruClusterInformation) (WITH COMPONENTS{..., clusterBoundingBoxShape ABSENT})<br>
the object is a VRU group or cluster.
* otherSubClass [**OtherSubClass**](#OtherSubClass) <br>
**Categories**: Sensing information
**Revision**: _Created in V2.1.1_
```asn1
ObjectClass ::= CHOICE {
vehicleSubClass VehicleSubClass,
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.
Fields:
* objectClass [**ObjectClass**](#ObjectClass) <br>
the class of the object.
* confidence [**ConfidenceLevel**](#ConfidenceLevel) <br>
**Categories**: Sensing information
**Revision**: _Created in V2.1.1_
```asn1
ObjectClassWithConfidence ::= SEQUENCE {
objectClass ObjectClass,
confidence ConfidenceLevel
}
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```
### <a name="ObjectDimension"></a>ObjectDimension
This DF represents a dimension of an object together with a confidence value.
It shall include the following components:
Fields:
* value [**ObjectDimensionValue**](#ObjectDimensionValue) <br>
the object dimension value which can be estimated as the mean of the current distribution.
* confidence [**ObjectDimensionConfidence**](#ObjectDimensionConfidence) <br>
the associated confidence value.
**Categories**: Sensing information
**Revision**: _Created in V2.1.1_
```asn1
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
>>>
```asn1
```
### <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.
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Fields:
* pathPosition [**DeltaReferencePosition**](#DeltaReferencePosition) <br>
The waypoint position defined as an offset position with regards to a pre-defined reference position.
* pathDeltaTime [**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.
Fields:
* deltaLatitude [**DeltaLatitude**](#DeltaLatitude) <br>
an offset latitude with regards to a pre-defined reference position.
* deltaLongitude [**DeltaLongitude**](#DeltaLongitude) <br>
an offset longitude with regards to a pre-defined reference position.
* horizontalPositionConfidence [**PosConfidenceEllipse**](#PosConfidenceEllipse) OPTIONAL<br>
the confidence value associated to the horizontal geographical position.
* deltaAltitude [**DeltaAltitude**](#DeltaAltitude) DEFAULT unavailable<br>
an offset altitude with regards to a pre-defined reference position.
* altitudeConfidence [**AltitudeConfidence**](#AltitudeConfidence) DEFAULT unavailable<br>
the confidence value associated to the altitude value of the geographical position.
* pathDeltaTime [**PathDeltaTime**](#PathDeltaTime) <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,
horizontalPositionConfidence PosConfidenceEllipse OPTIONAL,
deltaAltitude DeltaAltitude DEFAULT unavailable,
altitudeConfidence AltitudeConfidence DEFAULT unavailable,
...
}
```
### <a name="PerceivedObject"></a>PerceivedObject
This DF contains information about a perceived object including its kinematic state and attitude vector in a pre-defined coordinate system.
* objectId [**Identifier2B**](#Identifier2B) OPTIONAL<br>
optional identifier assigned to a detected object.
* timeOfMeasurement [**DeltaTimeMilliSecondPosNeg**](#DeltaTimeMilliSecondPosNeg) <br>
the time difference from a reference time to the time of the measurement of the object.
Negative values indicate that the provided object state refers to a point in time after the reference time.
* position [**CartesianPosition3dWithConfidence**](#CartesianPosition3dWithConfidence) <br>
the position of the geometric centre of the object´s bounding box within the pre-defined coordinate system, with the associated variance.
* velocity [**Velocity3dWithConfidence**](#Velocity3dWithConfidence) OPTIONAL<br>
the velocity vector of the object within the pre-defined coordinate system with the associated variance.
* acceleration [**Acceleration3dWithConfidence**](#Acceleration3dWithConfidence) OPTIONAL<br>
the acceleration vector of the object within the pre-defined coordinate system with the associated variance.
* zAngle [**CartesianAngle**](#CartesianAngle) OPTIONAL<br>