ITS-Container.asn

    reserved62                                       SubCauseCodeType,
    reserved63                                       SubCauseCodeType,
    reserved64                                       SubCauseCodeType,
    reserved65                                       SubCauseCodeType,
    reserved66                                       SubCauseCodeType,    
    reserved67                                       SubCauseCodeType,
    reserved68                                       SubCauseCodeType,
    reserved69                                       SubCauseCodeType,
    reserved70                                       SubCauseCodeType,
    reserved71                                       SubCauseCodeType,
    reserved72                                       SubCauseCodeType,
    reserved73                                       SubCauseCodeType,
    reserved74                                       SubCauseCodeType,
    reserved75                                       SubCauseCodeType,
    reserved76                                       SubCauseCodeType,
    reserved77                                       SubCauseCodeType,
    reserved78                                       SubCauseCodeType,
    reserved79                                       SubCauseCodeType,
    reserved80                                       SubCauseCodeType,
    reserved81                                       SubCauseCodeType,
    reserved82                                       SubCauseCodeType,
    reserved83                                       SubCauseCodeType,
    reserved84                                       SubCauseCodeType,
    reserved85                                       SubCauseCodeType,
    reserved86                                       SubCauseCodeType,
    reserved87                                       SubCauseCodeType,
    reserved88                                       SubCauseCodeType,
    reserved89                                       SubCauseCodeType,
    reserved90                                       SubCauseCodeType,
    vehicleBreakdown                                 VehicleBreakdownSubCauseCode,
    postCrash                                        PostCrashSubCauseCode,
    humanProblem                                     HumanProblemSubCauseCode,
    stationaryVehicle                                StationaryVehicleSubCauseCode,
    emergencyVehicleApproaching                      EmergencyVehicleApproachingSubCauseCode,
    hazardousLocation-DangerousCurve                 HazardousLocation-DangerousCurveSubCauseCode,
    collisionRisk                                    CollisionRiskSubCauseCode,
    signalViolation                                  SignalViolationSubCauseCode,
    dangerousSituation                               DangerousSituationSubCauseCode,
    railwayLevelCrossing                             RailwayLevelCrossingSubCauseCode,
    reserved101                                      SubCauseCodeType,
    reserved102                                      SubCauseCodeType,
    reserved103                                      SubCauseCodeType,
    reserved104                                      SubCauseCodeType,
    reserved105                                      SubCauseCodeType,
    reserved106                                      SubCauseCodeType,
    reserved107                                      SubCauseCodeType,
    reserved108                                      SubCauseCodeType,
    reserved109                                      SubCauseCodeType,
    reserved110                                      SubCauseCodeType,
    reserved111                                      SubCauseCodeType,
    reserved112                                      SubCauseCodeType,
    reserved113                                      SubCauseCodeType,
    reserved114                                      SubCauseCodeType,
    reserved115                                      SubCauseCodeType,
    reserved116                                      SubCauseCodeType,
    reserved117                                      SubCauseCodeType,
    reserved118                                      SubCauseCodeType,
    reserved119                                      SubCauseCodeType,
    reserved120                                      SubCauseCodeType,
    reserved121                                      SubCauseCodeType,
    reserved122                                      SubCauseCodeType,
    reserved123                                      SubCauseCodeType,
    reserved124                                      SubCauseCodeType,
    reserved125                                      SubCauseCodeType,
    reserved126                                      SubCauseCodeType,
    reserved127                                      SubCauseCodeType,
    reserved128                                      SubCauseCodeType
  }

/**
 * This DF is an alternative representation of the cause code value of a traffic event. 
 *
 * It includes the following components: 
 *
 * @field ccAndScc: the main cause of a detected event. Each choice is of a different type and represents the sub cause code.
 *
 * The semantics of the entire DF are completely defined by the component causeCode. The interpretation of the subCauseCode may 
 * provide additional information that is not strictly necessary to understand the causeCode itself, and is therefore optional.
 * 
 * @category: Traffic information
 * @revision: Created in V2.1.1
 */

CauseCodeV2 ::= SEQUENCE {
  ccAndScc CauseCodeChoice,
  ...
}

/**
 * The DF describes the position of a CEN DSRC road side equipment.
 *
 * It includes the following components: 
 * 
 * @field protectedZoneLatitude: the latitude of the CEN DSRC road side equipment.
 * 
 * @field protectedZoneLongitude: the latitude of the CEN DSRC road side equipment. 
 * 
 * @field cenDsrcTollingZoneID: the optional ID of the CEN DSRC road side equipment.
 * 
 * @category: Infrastructure information, Communication information
 * @revision: V1.3.1
 */
CenDsrcTollingZone ::= SEQUENCE {
    protectedZoneLatitude Latitude,
    protectedZoneLongitude Longitude,
    cenDsrcTollingZoneID CenDsrcTollingZoneID OPTIONAL,
        ...
}

/** 
 * 
 * This DF represents the shape of a circular area or a right cylinder that is centred on a reference position defined outside of the context of this DF. 
 *
 * It includes the following components: 
 * 
 * @field nodeCenterPoint: optional offset point which the rectangle is centred on with respect to the reference position.
 *
 * @field radius: the radius of the circular area.
 *
 * @field height: the optional height, present if the shape is a right cylinder extending in the positive z-axis. 
 *
 * 
 * @category: GeoReference information
 * @revision: Created in V2.1.1
 */
CircularShape ::= SEQUENCE {
    nodeCenterPoint      CartesianPosition3d OPTIONAL,
    radius               StandardLength,
	height	             StandardLength OPTIONAL,
    ...			
}

/**
 * This DF indicates the opening/closure status of a lane or a set of lanes.
 *
 * It includes the following components: 
 * 
 * @field innerhardShoulderStatus: this information is optional and shall be included if the information is known.
 * It indicates the open/closing status of inner hard shoulder lanes. 
 * 
 * @field outerhardShoulderStatus: this information is optional and shall be included if the information is known.
 * It indicates the open/closing status of outer hard shoulder lanes. 
 * 
 * @field drivingLaneStatus: this information is optional and shall be included if the information is known.
 * It indicates the open/closing status of driving lanes. 
 * For roads with more than 13 driving lanes, the drivingLaneStatus DE shall not be set.
 * 
 * @category: GeoReference information, Road topology information
 * @revision: V1.3.1
 */
ClosedLanes ::= SEQUENCE {
    innerhardShoulderStatus HardShoulderStatus OPTIONAL,
    outerhardShoulderStatus HardShoulderStatus OPTIONAL,
    drivingLaneStatus       DrivingLaneStatus OPTIONAL,
    ...
}

/**
 * This DF provides information about the breakup of a cluster.
 *
 * It includes the following components: 
 * 
 * @field clusterBreakupReason: indicates the reason for breakup.
 * 
 * @field breakupTime: indicates the time of breakup. 
 *
 * @category: Cluster Information
 * @revision: Created in V2.1.1
 */
ClusterBreakupInfo ::= SEQUENCE {
        clusterBreakupReason  ClusterBreakupReason,
        breakupTime           DeltaTimeQuarterSecond,
        ...
}

/**
 * This DF provides information about the joining of a cluster.
 *
 * It includes the following components: 
 * 
 * @field clusterId: indicates the identifier of the cluster.
 * 
 * @field joinTime: indicates the time of joining. 
 *
 * @category: Cluster Information
 * @revision: Created in V2.1.1
 */
ClusterJoinInfo ::= SEQUENCE {
        clusterId       ClusterId,
        joinTime        DeltaTimeQuarterSecond,
        ...
}

/**
 * The DF provides information about the leaving of a cluster.
 *
 * It includes the following components: 
 * 
 * @field clusterId: indicates the cluster.
 * 
 * @field clusterLeaveReason: indicates the reason for leaving. 
 *
 * @category: Cluster Information
 * @revision: Created in V2.1.1
 */
ClusterLeaveInfo ::= SEQUENCE {
        clusterId               ClusterId,
        clusterLeaveReason      ClusterLeaveReason,
        ...
}

/**
 * This DF represents the column of the lower triangular positive semi-definite matrix and consists of a list of correlation row values.
 * Given a matrix "A" of size n x n, the number of columns to be included in the lower triangular matrix is k=n-1.
 * Each column "i" of the lower triangular then contains k-(i-1) values, where "i" refers to the column number count
 * starting at 1 from the left.
 *
 * @category: Sensing Information
 * @revision: Created in V2.1.1
*/
CorrelationColumn ::= SEQUENCE SIZE (1..17) OF CorrelationRowValue 

/**
 * This DF represents the curvature of the vehicle trajectory and the accuracy.
 * The curvature detected by a vehicle represents the curvature of actual vehicle trajectory.
 *
 * It includes the following components: 
 * 
 * @field curvatureValue: Detected curvature of the vehicle trajectory.
 * 
 * @field curvatureConfidence: Accuracy of the reported curvature value with a predefined confidence level. 
 * 
 * @category: Vehicle information
 * @revision: V1.3.1
 */
Curvature ::= SEQUENCE {
 curvatureValue CurvatureValue,
 curvatureConfidence CurvatureConfidence
}

/**
 * This DF provides a description of dangerous goods being carried by a heavy vehicle.
 *
 * It includes the following components: 
 * 
 * @field dangerousGoodsType: Type of dangerous goods.
 * 
 * @field unNumber: a 4-digit number that identifies the substance of the dangerous goods as specified in
 * United Nations Recommendations on the Transport of Dangerous Goods - Model Regulations [i.5],
 * 
 * @field elevatedTemperature: whether the carried dangerous goods are transported at high temperature.
 * If yes, the value shall be set to TRUE,
 * 
 * @field tunnelsRestricted: whether the heavy vehicle carrying dangerous goods is restricted to enter tunnels.
 * If yes, the value shall be set to TRUE,
 * 
 * @field limitedQuantity: whether the carried dangerous goods are packed with limited quantity.
 * If yes, the value shall be set to TRUE,
 * 
 * @field emergencyActionCode: physical signage placard at the vehicle that carries information on how an emergency
 * service should deal with an incident. This component is optional; it shall be present if the information is available,
 * 
 * @field phoneNumber: contact phone number of assistance service in case of incident or accident.
 * This component is optional, it shall be present if the information is available.
 * 
 * @field companyName: name of company that manages the transportation of the dangerous goods.
 * This component is optional; it shall be present if the information is available.
 * 
 * @category Vehicle information
 * @revision: V1.3.1
 */
DangerousGoodsExtended ::= SEQUENCE {
    dangerousGoodsType DangerousGoodsBasic,
    unNumber INTEGER (0..9999),
    elevatedTemperature BOOLEAN,
    tunnelsRestricted BOOLEAN,
    limitedQuantity BOOLEAN,
    emergencyActionCode IA5String (SIZE (1..24)) OPTIONAL,
    phoneNumber PhoneNumber OPTIONAL,
    companyName UTF8String (SIZE (1..24)) OPTIONAL,
        ...
}

/** 
 * This DF represents a  position in a two- or three-dimensional cartesian coordinate system.
 *
 * It includes the following components: 
 *
 * @field xCoordinate: the X coordinate value.
 *
 * @field yCoordinate: the Y coordinate value.
 *
 * @field zCoordinate: the optional Z coordinate value.
 * 
 * @category: GeoReference information
 * @revision: Created in V2.1.1
*/
CartesianPosition3d::=SEQUENCE{
	xCoordinate 	CartesianCoordinate,
	yCoordinate		CartesianCoordinate,
	zCoordinate		CartesianCoordinate OPTIONAL
}

/**
 * This DF represents a coordinate in a cartesian reference system
 *
 * It includes the following components: 
 * 
 * @field value: the coordinate value which can be estimated as the mean of the current distribution.
 * 
 * @field confidence: the coordinate accuracy associated to the provided value.
 *
 * @category: GeoReference information
 * @revision: Created in V2.1.1
*/
CartesianCoordinateWithConfidence ::= SEQUENCE {
    value        CartesianCoordinateExtended,
    confidence   CoordinateConfidence
}

/**
 * This DF defines a geographical point position as a 3 dimensional offset position to a reference geographical point.
 *
 * It includes the following components: 
 *
 * @field deltaLatitude: A delta latitude offset with regards to the latitude value of the reference position.
 *
 * @field deltaLongitude: A delta longitude offset with regards to the longitude value of the reference position.
 *
 * @field deltaAltitude: A delta altitude offset with regards to the altitude value of the reference position.
 *
 * @category: GeoReference information
 * @revision:  V1.3.1
 */
DeltaReferencePosition ::= SEQUENCE {
    deltaLatitude  DeltaLatitude,
    deltaLongitude DeltaLongitude,
    deltaAltitude  DeltaAltitude
}

/**
 * This DF represents a portion of digital map, described using a list of waypoints @ref ReferencePosition.
 * 
 * @category: GeoReference information
 * @revision:  V1.3.1
 */
DigitalMap ::= SEQUENCE (SIZE(1..256)) OF ReferencePosition 

/** 
 * 
 * This DF represents the shape of an elliptical area or right elliptical cylinder that is centred on a reference position which is defined outside of the context of this DF. 
 *
 * It includes the following components: 
 * 
 * @field centerPoint: optional offset point which the ellipse is centred on with respect to the reference position.
 *
 * @field semiMajorAxisLength: half length of the major axis of the ellipse.
 * 
 * @field semiMinorAxisLength: half length of the minor axis of the ellipse.
 *
 * @field orientation: orientation of the major axis of the ellipse in the WGS84 coordinate system.
 * 
 * @field height: the optional height, present if the shape is a right elliptical cylinder extending in the positive z-axis.
 *
 * @category: GeoReference information
 * @revision: Created in V2.1.1
*/

EllipticalShape  ::= SEQUENCE {
    centerPoint          	 CartesianPosition3d OPTIONAL,
    semiMajorAxisLength      StandardLength,
    semiMinorAxisLength		 StandardLength,
    orientation   			 Wgs84AngleValue,
    height                   StandardLength OPTIONAL,
    ...
}

/** 
 * 
 * This DF represents a vehicle category according to the UNECE/TRANS/WP.29/78/Rev.4 [i.18].
 * The following options are available:
 * 
 * @field euVehicleCategoryL: indicates a vehicle in the L category.
 *
 * @field euVehicleCategoryM: indicates a vehicle in the M category.
 *
 * @field euVehicleCategoryN: indicates a vehicle in the N category.
 *
 * @field euVehicleCategoryO: indicates a vehicle in the O category.
 *
 * @field euVehicleCategoryT: indicates a vehicle in the T category.
 *
 * @field euVehicleCategoryG: indicates a vehicle in the G category.
 * 
 * @category: Vehicle information
 * @revision: Created in V2.1.1
*/
EuVehicleCategoryCode ::= CHOICE {
	euVehicleCategoryL	EuVehicleCategoryL,  
	euVehicleCategoryM	EuVehicleCategoryM,  
	euVehicleCategoryN	EuVehicleCategoryN,   
	euVehicleCategoryO	EuVehicleCategoryO,   
	euVehicleCategoryT	NULL,
	euVehicleCategoryG	NULL    
	}

/**
 * The DF consists of a list of @ref EventPoint, where all @ref EventPoint either contain the COMPONENT eventDeltaTime 
 * or do not contain the COMPONENT eventDeltaTime.  
 *
 * The eventPosition of each @ref EventPoint is defined with respect to the previous @ref EventPoint in the list. 
 * Except for the first @ref EventPoint which is defined with respect to a position outside of the context of this DF.
 *
 * @category: GeoReference information, Traffic information
 * @revision: created in V2.1.1 based on EventHistory
 */
EventZone::= EventHistory
   ((WITH COMPONENT (WITH COMPONENTS {..., eventDeltaTime PRESENT})) |
    (WITH COMPONENT (WITH COMPONENTS {..., eventDeltaTime ABSENT})))

/**
 * The DF consists of a list of @ref EventPoint.  
 *
 * The eventPosition of each @ref EventPoint is defined with respect to the previous @Ref EventPoint in the list. 
 * Except for the first @ref EventPoint which is defined with respect to a position outside of the context of this DF.
 *
 * @category: GeoReference information, Traffic information
 * @note: this DF is kept for backwards compatibility reasons only. It is reccomended to use the @ref EventZone instead. 
 * @revision: Generalized the semantics in V2.1.1
 */
EventHistory::= SEQUENCE (SIZE(1..23)) OF EventPoint


/**
 * This DF provides information related to an event at a defined position.
 *
 * It includes the following components: 
 * 
 * @field eventPosition: offset position of a detected event point to a defined position. 
 * 
 * @field eventDeltaTime: optional time travelled by the detecting ITS-S since the previous detected event point.
 * 
 * @field informationQuality: Information quality of the detection for this event point.
 * 
 * @category: GeoReference information, Traffic information
 * @revision: generalized the semantics in V2.1.1
 */
EventPoint ::= SEQUENCE {
    eventPosition DeltaReferencePosition,
    eventDeltaTime PathDeltaTime OPTIONAL,
    informationQuality InformationQuality
}

/**
 * This DF represents the status of the exterior light switches of a traffic participant.
 *
 * It includes the following components: 
 * 
 * @field vehicular:  represents the status of the exterior light switches of a road vehicle.
 * 
 * @field vruSpecific: represents the status of the exterior light switches of a VRU.
 *
 * @category: VRU information
 * @revision: created in V2.1.1
 */
ExteriorLightsExtended ::= SEQUENCE {
   vehicular       ExteriorLights, 
   vruSpecific     VruSpecificExteriorLights,
   ...
}


/**
 * 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 V-ITS-S would normally not be present. 
 *
 * The following options are available:
 *
 * @field trafficLanePosition: a position on a traffic lane. 
 * 
 * @field nonTrafficLanePosition: a position on a lane which is not a traffic lane.
 * 
 * @field trafficIslandPosition: a position on a traffic island
 * 
 * @field mapPosition: a position on a lane identified in a MAPEM.
 *  
 * @category: Road Topology information
 * @revision: created in V2.1.1
 */
GeneralizedLanePosition::= CHOICE {
	trafficLanePosition				LanePosition,
    nonTrafficLanePosition			LanePositionAndType,
    trafficIslandPosition           TrafficIslandPosition,
    mapPosition                     MapPosition,
    ...
}	

/**
 * This DF represents the Heading in a WGS84 co-ordinates system.
 *
 * It includes the following components: 
 * 
 * @field headingValue: the heading value.
 * 
 * @field headingConfidence: the accuracy of the reported heading value with a predefined confidence level.
 * 
 * @note: this DF is kept for backwards compatibility reasons only. It is reccomended to use the @ref Wgs84Angle instead. 
 * @category: Kinematics Information
 * @revision: V1.3.1
 */
Heading ::= SEQUENCE {
    headingValue HeadingValue,
    headingConfidence HeadingConfidence
}


/**
 * This DF  provides  information  associated to heading  change indicators  such as  a  change  of  direction.
 *
 * It includes the following components: 
 * 
 * @field direction: the direction of heading change value.
 * 
 * @field actionDeltaTime: the period over which a direction change action is performed. 
 * 
 * @category: Kinematics Information
 * @revision: created in V2.1.1
 */
HeadingChangeIndication ::= SEQUENCE {
    direction        TurningDirection,
    actionDeltaTime  DeltaTimeTenthOfSecond,
    ...
}

/**
 * This DF represents a frequency channel 
 *
 * It includes the following components: 
 *
 * @field centreFrequency: the centre frequency of the channel
 * @unit: 10exp+2 Hz (where exp is exponent)
 * 
 * @field channelWidth: width of the channel
 * @unit: 10exp Hz (where exp is exponent)
 *
 * @field exponent of the power of 10
 * @unit: N/A
 *
 * @category: Communication information
 * @revision: created in V2.1.1
*/
InterferenceManagementChannel ::= SEQUENCE {
    centreFrequency INTEGER (1 .. 99999),
    channelWidth    INTEGER (0 .. 9999),
    exponent        INTEGER (0 .. 15) 
}

/**
 * 
 * This DF represents a zone  inside which the ITS communication should be restricted in order to manage interference.
 *
 * It includes the following components: 
 *
 * @field zoneDefinition: contains the geographical definition of the zone.
 *
 * @field managementInfo: contains interference management information applicable in the zone defined in @field zoneDefinition.
 *
 * @category: Communication information
 * @revision: created in V2.1.1
 */
InterferenceManagementZone ::= SEQUENCE {
	zoneDefinition      InterferenceManagementZoneDefinition,
	managementInfo 		InterferenceManagementInfo
}

/**
 * This DF represents the geographical definition of the zone where band sharing occurs. 
 *
 * It includes the following components: 
 *
 * @field interferenceManagementZoneLatitude: Latitude of the centre point of the interference management zone.
 *
 * @field interferenceManagementZoneLongitude: Longitude of the centre point of the interference management zone.
 *
 * @field interferenceManagementZoneRadius: optional radius of the interference management zone in metres. 
 *
 * @field interferenceManagementZoneID: optional identification of the interference management zone. 
 *
 * @field interferenceManagementZoneShape: shape of the interference management zone. 
 *
 * @category: Communication information
 * @revision: created in V2.1.1
 */
InterferenceManagementZoneDefinition::= SEQUENCE{     
    interferenceManagementZoneLatitude   Latitude, 
    interferenceManagementZoneLongitude  Longitude, 
    interferenceManagementZoneRadius     ProtectedZoneRadius OPTIONAL,
    interferenceManagementZoneID         ProtectedZoneID OPTIONAL,
    interferenceManagementZoneShape      Shape (WITH COMPONENTS{..., radial ABSENT, radialShapes ABSENT}) OPTIONAL,
    ...
}

/**
 * This DF consists of a list of up to 16 definitions containing interference management information, per affected frequency channels.
 *  
 * @category: Communication information.
 * @revision: created in V2.1.1
 */
InterferenceManagementInfo::= SEQUENCE (SIZE(1..16,...)) OF InterferenceManagementInfoPerChannel


/**
 * This DF contains interference management information for one affected frequency channel.
 *
 * It includes the following components: 
 *
 * @field interferenceManagementChannel: frequency channel for which the zone should be applied interference management 
 *
 * @field interferenceManagementZoneType: type of the interference management zone. 
 *
 * @field interferenceManagementMitigationType: optional type of the mitigation to be used in the interference management zone.
 *
 * @field expiryTime: 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
 *
 * @category: Communication information
 * @revision: created in V2.1.1
 */
InterferenceManagementInfoPerChannel ::= SEQUENCE {
    interferenceManagementChannel         InterferenceManagementChannel,
    interferenceManagementZoneType        InterferenceManagementZoneType,
    interferenceManagementMitigationType  InterferenceManagementMitigationType OPTIONAL,
    expiryTime                            TimestampIts OPTIONAL, 
    ...
}

/**
 * This DF provides information and commands defining the required mitigation type in the defined interference management zone. 
 *
 * It includes the following options:
 * 
 * @field unavailable: this is the default choice to be used when information is not available
 *
 * @field mitigationForTechnologies: it indicates the type of mitigation and the parameters to be used to protect the 
 * potential victim in the interference management zone per channel access technology class.
 *
 * @category: Communication information
 * @revision: created in V2.1.1
 */
InterferenceManagementMitigationType ::= CHOICE {
    unavailable   NULL,   
    mitigationForTechnologies MitigationForTechnologies
}

/**
 * This DF consist of 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.
 * 
 * @category: Communication information
 * @revision: created in V2.1.1
 */
InterferenceManagementZones ::= SEQUENCE (SIZE(1..16), ...) OF InterferenceManagementZone

/**
 * This DF represents a unique id for an intersection, in accordance with ETSI TS 103 301 [i.17].
 *
 * It includes the following components: 
 *
 * @field region: 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 @ref Id is unique within the region.
 *
 * @field id: the identifier of the intersection
 *
 * @note: when the RoadRegulatorID is present, the IntersectionReferenceID is guaranteed to be globally unique.
 * @category: Road topology information
 * @revision: created in V2.1.1
 */
IntersectionReferenceId ::= SEQUENCE {
    region RoadRegulatorId OPTIONAL,
    id IntersectionID
}

/**
 * This DF consists of  a list of waypoints @ref ReferencePosition.
 *
 * @category: GeoReference information
 * @revision: Editorial update in V2.1.1
 */
ItineraryPath ::= SEQUENCE SIZE(1..40) OF ReferencePosition

/**
 * 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.
 *
 * It includes the following components: 
 *
 * @field protocolVersion: version of the ITS message.
 *
 * @field messageId: type of the ITS message.
 *
 * @field stationId: the identifier of the ITS-S that generates the ITS message in question.
 *
 * @category: Communication information
 * @revision:  update in V2.1.1: messageID and stationID changed to messageId and stationId; messageId is of type MessageId.
 */
ItsPduHeader ::= SEQUENCE {
    protocolVersion    INTEGER (0..255),
    messageId          MessageId,
    stationId          StationID
}

/**
 * This DF indicates a transversal position in resolution of lanes and the associated lane type.
 *
 * It includes the following components: 
 * 
 * @field: transversalPosition: the transversal position.
 * 
 * @field: laneType: the type of the lane identified in the component transversalPosition.
 * 
 * @category GeoReference information
 * @revision: Created in V2.1.1
 */
LanePositionAndType::= SEQUENCE {
    transversalPosition 	LanePosition,
    laneType				LaneType,
    ...
}

/**
 * This DF indicates the vehicle acceleration at lateral direction and the accuracy of the lateral acceleration.
 *
 * It includes the following components: 
 * 
 * @field: lateralAccelerationValue: lateral acceleration value at a point in time.
 * 
 * @field: lateralAccelerationConfidence: accuracy of the reported lateral acceleration value.
 *
 * @note: this DF is kept forbackwards compatibility reasons only. It is recommended to use @ref Acceleration1d instead.
 * @category Vehicle information
 * @revision: V1.3.1
 */
LateralAcceleration ::= SEQUENCE {
    lateralAccelerationValue LateralAccelerationValue,
    lateralAccelerationConfidence AccelerationConfidence
}

/**
 * This DF indicates the vehicle acceleration at longitudinal direction and the accuracy of the longitudinal acceleration.
 *
 * It includes the following components: 
 *
 * @field longitudinalAccelerationValue: longitudinal acceleration value at a point in time.

 * @field longitudinalAccelerationConfidence: accuracy of the reported longitudinal acceleration value with a predefined
 *
 * @note: this DF is kept forbackwards compatibility reasons only. It is recommended to use @ref Acceleration1d instead. 
 * @category: Vehicle information
 * @revision: V1.3.1
 */
LongitudinalAcceleration ::= SEQUENCE {
    longitudinalAccelerationValue LongitudinalAccelerationValue,
    longitudinalAccelerationConfidence AccelerationConfidence
}

/** 
 * This DF represents the estimated position along the longitudinal length of a particular lane. 
 *
 * It includes the following components: 
 *
 * @field  longitudinalLanePositionValue: the mean value of the longitudinal position within a particular length.
 *
 * @field  longitudinalLanePositionConfidence: The confidence associated to the provided value.
 *
 * @category: Road topology information
 * @revision: created in V2.1.1
 */
LongitudinalLanePosition ::= SEQUENCE {
    longitudinalLanePositionValue        LongitudinalLanePositionValue,
    longitudinalLanePositionConfidence   LongitudinalLanePositionConfidence
}

/** 
 * This DF represents the elements of a lower triangular positive semi-definite matrix, not including the main diagonal elements of the matrix.
 * Given a matrix "A" of size n x n, the number of columns @ref CorrelationColumn to be included in the lower triangular matrix is k=n-1.
 *
 * @category: Vehicle information
 * @revision: V1.3.1
*/
LowerTriangularPositiveSemidefiniteMatrix ::= SEQUENCE SIZE (1..17) OF CorrelationColumn

/**
 * This DF indicates a position on a topology description transmitted in a MAPEM according to ETSI TS 103 301 [i.17].
 *
 * It includes the following components: 
 * 
 * @field mapReference: optionally identifies the MAPEM carrying the topology.
 * It is absent if the MAPEM topology is known from the context.
 * 
 * @field laneId: identifies the lane in the topology.
 *
 * @field longitudinalLanePosition: optionally indicates the longitudinal offset of the map-matched position of the object along the lane.
 * 
 * @category: Road topology information
 * @revision: Created in V2.1.1
 */
MapPosition ::= SEQUENCE {
    mapReference                MapReference OPTIONAL,
    laneId                      LaneId,
    longitudinalLanePosition    LongitudinalLanePosition OPTIONAL,
    ...
}

/**
 * This DF provides the reference to the information contained in a MAPEM according to ETSI TS 103 301 [i.17]. 
 *
 * The following options are provided:
 * 
 * @field roadsegment: option that identifies the description of a road segment contained in a MAPEM.
 * 
 * @field intersection: option that identifies the description of an intersection contained in a MAPEM.
 *
 * @category: Road topology information
 * @revision: Created in V2.1.1
 */

MapReference::= CHOICE {
	roadsegment			RoadSegmentReferenceId,
	intersection 		IntersectionReferenceId
	}

/**
 * 
 * This DF represents a list of @ref MitigationPerTechnologyClass.
 * @category: Communication information
 * @revision: Created in V2.1.1
*/
MitigationForTechnologies ::= SEQUENCE (SIZE(1..8)) OF MitigationPerTechnologyClass 

/**
 * This DF represents a set of mitigation parameters for a specific technology, as specified in ETSI TS 103 724 [i.24], clause 7.
 *
 * It includes the following components: 
 *
 * @field accessTechnologyClass:  channel access technology to which this mitigation is applied.
 *
 * @field lowDutyCycle: duty cycle limit.
 * @unit: 0.01% steps
 *
 * @field powerReduction: the delta value of power to be reduced.
 * @unit: dB
 *
 * @field dmcToffLimit: idle time limit as defined in ETSI TS 103 175 [i.25].
 * @unit: ms
 *
 * @field dmcTonLimit: Transmission duration limit, as defined in ETSI EN 302 571 [i.26].
 * @unit: ms
 *
 * @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. 
 *
 * @category: Communication information
 * @revision: Created in V2.1.1
 */
MitigationPerTechnologyClass ::= SEQUENCE {
   accessTechnologyClass  AccessTechnologyClass, 
   lowDutyCycle  INTEGER (0 .. 10000) OPTIONAL, 
   powerReduction INTEGER (0 .. 30) OPTIONAL,
   dmcToffLimit   INTEGER (0 .. 1200) OPTIONAL,   
   dmcTonLimit   INTEGER (0 .. 20) OPTIONAL,   
   ...
}

/** 
 * This DF indicates both the class and associated subclass that best describes an object.
 *
 * The following options are available:
 *
 * @field vehicleSubclass: the object is a road vehicle.
 *
 * @field vruSubclass: the object is a VRU.
 *
 * @field groupSubClass: the object is a VRU group or cluster.
 *
 * @field otherSubclass: the object is of a different types as the above.
 *
 * @category: Sensing information
 * @revision: Created in V2.1.1
 */
ObjectClass ::= CHOICE {
    vehicleSubclass    VehicleSubclass,
    vruSubclass        VruProfileAndSubprofile,
    groupSubClass      VruClusterInformation (WITH COMPONENTS{..., clusterBoundingBoxShape ABSENT}),
    otherSubclass      OtherSubclass,
    ...
}

/** 
 * This DF consist of a list of object classes.
 *
 * @category: Sensing information
 * @revision: Created in V2.1.1
*/
ObjectClassDescription ::= SEQUENCE (SIZE(1..8)) OF ObjectClassWithConfidence

/** 
 * This DF represents the classification of a detected object together with a confidence indication.
 *
 * It includes the following components: 
 *
 * @field objectClass: the class of the object.
 *
 * @field ObjectClassConfidence: the associated confidence information.
 *
 * @category: Sensing information
 * @revision: Created in V2.1.1
*/
ObjectClassWithConfidence ::= SEQUENCE {
    objectClass ObjectClass,
    confidence  ObjectClassConfidence
}
/** 
 * This DF represents a dimension of an object together with a confidence indication.
 *
 * It includes the following components: 
 * 
 * @field ObjectDimensionValue: the object dimension value which can be estimated as the mean of the current distribution.
 *
 * @field ObjectDimensionValue: the associated confidence information.
 *
 * @category: Sensing information
 * @revision: Created in V2.1.1
*/
ObjectDimension ::= SEQUENCE {
    value       ObjectDimensionValue,
    confidence  ObjectDimensionValue
}

/**
 * This DF that represents a path with a set of path points.
 * It may contain up to `40` @ref 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. 
 *
 * @category: GeoReference information, Vehicle information
 * @revision: created in V2.1.1 based on PathHistory
 */
Path::= SEQUENCE (SIZE(0..40)) OF PathPoint

/**
 * This DF that represents a path with a set of path points.
 * It may contain up to `40` @ref 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. 
 *
 * @category: GeoReference information, Vehicle information
 * @note: this DF is kept for backwards compatibility reasons only. It is recommended to use @ref Path instead
 * @revision: semantics updated in V2.1.1
 */
PathHistory::= SEQUENCE (SIZE(0..40)) OF PathPoint

/**
 * This DF  defines an offset waypoint position within a path.
 *
 * It includes the following components: 
 *
 * @field pathPosition: The waypoint position defined as an offset position with regards to a pre-defined reference position. 
 *
 * @field pathDeltaTime: The optional travel time separated from a waypoint to the predefined reference position.
 *
 * @category GeoReference information
 * @revision: semantics updated in V2.1.1
 */
PathPoint ::= SEQUENCE {
    pathPosition DeltaReferencePosition,
    pathDeltaTime PathDeltaTime OPTIONAL
}

/**
 * The DF that defines a waypoint position within a path.
 *
 * It includes the following components: 
 *
 * @field pathPosition: The waypoint position defined as an absolute  position.
 *
 * @field pathDeltaTime: The optional delta time in which the waypoint will be occupied, from a reference time.
 *
 * @category GeoReference information
 * @revision: created in V2.1.1
 */
PathPointAbsolute ::=  SEQUENCE {
    pathPosition     ReferencePosition,                   
    pathDeltaTime    PathDeltaTime     OPTIONAL 
}

/** 
 * This DF contains information about a perceived object including its kinematic and attitude representation.