ITS-Container.asn

    value         CartesianCoordinateLarge,
    confidence    CoordinateConfidence
}

/** 
 * 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 is a representation of the cause code value of a traffic event. 
 *
 * It includes the following components: 
 *
 * @field causeCode: the main cause of a detected event. 
 *
 * @field subCauseCode: the subordinate cause of a detected event. 
 *
 * 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.
 *
 * @note: this DF is kept for backwards compatibility reasons only. It is reccomended to use the @ref CauseCodeV2 instead. 
 *
 * @category: Traffic information
 * @revision: Editorial update in V2.1.1
 */
CauseCode ::= SEQUENCE {
    causeCode       CauseCodeType,
    subCauseCode    SubCauseCodeType,
    ...
}

/**
 * This DF is a representation of the cause code value and associated sub cause code value of a traffic event. 
 *
 *
 * @note: this DF is defined for use as part of CauseCodeV2. It is recommended to use CauseCodeV2.
 * @category: Traffic information
 * @revision: Editorial update in V2.1.1
 */

CauseCodeChoice::= CHOICE {
    reserved                                         SubCauseCodeType,
    trafficCondition                                 TrafficConditionSubCauseCode,
    accident                                         AccidentSubCauseCode,
    roadworks                                        RoadworksSubCauseCode,
    reserved4                                        SubCauseCodeType,
    impassability                                    SubCauseCodeType,
    adverseWeatherCondition-Adhesion                 AdverseWeatherCondition-AdhesionSubCauseCode,
    aquaplaning                                      SubCauseCodeType,
    reserved8                                        SubCauseCodeType,
    hazardousLocation-SurfaceCondition               HazardousLocation-SurfaceConditionSubCauseCode,
    hazardousLocation-ObstacleOnTheRoad              HazardousLocation-ObstacleOnTheRoadSubCauseCode,
    hazardousLocation-AnimalOnTheRoad                HazardousLocation-AnimalOnTheRoadSubCauseCode,
    humanPresenceOnTheRoad                           HumanPresenceOnTheRoadSubCauseCode,
    reserved13                                       SubCauseCodeType,
    wrongWayDriving                                  WrongWayDrivingSubCauseCode,
    rescueAndRecoveryWorkInProgress                  RescueAndRecoveryWorkInProgressSubCauseCode,
    reserved16                                       SubCauseCodeType,
    adverseWeatherCondition-ExtremeWeatherCondition  AdverseWeatherCondition-ExtremeWeatherConditionSubCauseCode,
    adverseWeatherCondition-Visibility               AdverseWeatherCondition-VisibilitySubCauseCode,
    adverseWeatherCondition-Precipitation            AdverseWeatherCondition-PrecipitationSubCauseCode,
    violence                                         SubCauseCodeType,
    reserved21                                       SubCauseCodeType,
    reserved22                                       SubCauseCodeType,
    reserved23                                       SubCauseCodeType,
    reserved24                                       SubCauseCodeType,
    reserved25                                       SubCauseCodeType,
    slowVehicle                                      SlowVehicleSubCauseCode,
    dangerousEndOfQueue                              DangerousEndOfQueueSubCauseCode,
    reserved28                                       SubCauseCodeType,
    reserved29                                       SubCauseCodeType,
    reserved30                                       SubCauseCodeType,
    reserved31                                       SubCauseCodeType,
    reserved32                                       SubCauseCodeType,
    reserved33                                       SubCauseCodeType,
    reserved34                                       SubCauseCodeType,
    reserved35                                       SubCauseCodeType,
    reserved36                                       SubCauseCodeType,
    reserved37                                       SubCauseCodeType,
    reserved38                                       SubCauseCodeType,
    reserved39                                       SubCauseCodeType,
    reserved40                                       SubCauseCodeType,
    reserved41                                       SubCauseCodeType,
    reserved42                                       SubCauseCodeType,
    reserved43                                       SubCauseCodeType,
    reserved44                                       SubCauseCodeType,
    reserved45                                       SubCauseCodeType,
    reserved46                                       SubCauseCodeType,
    reserved47                                       SubCauseCodeType,
    reserved48                                       SubCauseCodeType,
    reserved49                                       SubCauseCodeType,
    reserved50                                       SubCauseCodeType,
    reserved51                                       SubCauseCodeType,
    reserved52                                       SubCauseCodeType,
    reserved53                                       SubCauseCodeType,
    reserved54                                       SubCauseCodeType,
    reserved55                                       SubCauseCodeType,
    reserved56                                       SubCauseCodeType,
    reserved57                                       SubCauseCodeType,
    reserved58                                       SubCauseCodeType,   
    reserved59                                       SubCauseCodeType, 
    reserved60                                       SubCauseCodeType,
    reserved61                                       SubCauseCodeType,
    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             StandardLength12b,
    height             StandardLength12b 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..21) 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 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: the optional 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    StandardLength12b,
    semiMinorAxisLength    StandardLength12b,
    orientation            Wgs84AngleValue OPTIONAL,
    height                 StandardLength12b 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 the component 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. 
 * In the case where no mitigation should be applied by the ITS-S, this is indicated by the field interferenceManagementMitigationType being absent.
 *
 * @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    MitigationForTechnologies OPTIONAL,
    expiryTime                              TimestampIts OPTIONAL, 
    ...
}

/**
 * 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    Identifier2B OPTIONAL,
    id        Identifier2B
}

/**
 * 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..21) 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 containing the topology information.
 * It is absent if the MAPEM topology is known from the context.
 * 
 * @field laneId: identifies the lane in the road segment or intersection topology on which the position is located.
 *
 * @field connectionId: 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.
 *
 * @field longitudinalLanePosition: optionally indicates the longitudinal offset of the map-matched position of the object along the lane or connection.
 * 
 * @category: Road topology information
 * @revision: Created in V2.1.1
 */
MapPosition ::= SEQUENCE {
    mapReference                MapReference OPTIONAL,
    laneId                      Identifier1B,
    longitudinalLanePosition    LongitudinalLanePosition OPTIONAL,
    connectionId                Identifier1B, 
    ...
}

/**
 * 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 provides information about a message with respect to the segmentation process at the sender.
 *
 * It includes the following components: 
 * 
 * @field totalMsgNo: indicates the total number of messages that has been used on the transmitter side to encode the information.
 *
 * @field thisMsgNo: indicates the position of the message within of the total set of messages.

*/
MessageSegmentationInfo ::= SEQUENCE {
    totalMsgNo  CardinalNumber1B (1..255),
    thisMsgNo   OrdinalNumber1B
    }

/**
 * 
 * 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