Documentation update (9a6271b6) · Commits · Jasja Tijink / IMZM TS 103 724

docs/IMZM-PDU-Descriptions.md

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	# ASN.1 module IMZM-PDU-Descriptions		# ASN.1 module IMZM-PDU-Descriptions
	OID: _{ itu-t (0) identified-organization (4) etsi (0) itsDomain (5) wg1 (1) ts (103724) imzm (1) version (1) }_		OID: _{ itu-t (0) identified-organization (4) etsi (0) itsDomain (5) wg1 (1) ts103724 (103724) imzm (1) version1 (1) }_
	Specification of the Interference Management Zone Message ETSI TS 103 724		@brief Draft Specification of the Interference Management Zone Message ETSI TS 103 724 Based on the official version available at @url https://forge.etsi.org/rep/ITS/asn1/imzm_ts103724 Modified to import from the draft CDD module Version 3 prepared by Jasja Tijink for ETSI TC ITS WG1 (date 17.05.2022)
	Latest version available at https://forge.etsi.org/rep/ITS/asn1/imzm_ts103724

	## Imports:		## Imports:
	* [ITS-Container](ITS-Container.md) { itu-t (0) identified-organization (4) etsi (0) itsDomain (5) wg1 (1) ts (102894) cdd (2) version (2) }<br/>		* [ITS-Container](ITS-Container.md) {itu-t (0) identified-organization (4) etsi (0) itsDomain (5) wg1 (1) ts (102894) cdd (2) version3 (3)}<br/>
	Include ETSI TS 102 894-2		Include ETSI TS 102 894-2 Include references from
	Include references from https://forge.etsi.org/rep/ITS/asn1/cdd_ts102894_2/blob/master/ITS-Container.asn

	* [CAM-PDU-Descriptions](CAM-PDU-Descriptions.md) { itu-t (0) identified-organization (4) etsi (0) itsDomain (5) wg1 (1) en (302637) cam (2) version (2) }<br/>
	Include ETSI EN 302 637-2
	Include references from https://forge.etsi.org/rep/ITS/asn1/cam_en302637_2/blob/master/CAM-PDU-Descriptions.asn

	* [VAM-Temp-Imports](VAM-Temp-Imports.md) { itu-t(0) identified-organization(4) etsi(0) itsDomain(5) wg1(1) ts(103300) temp-imports(255) version1(1) }<br/>
	Include ETSI TS 103 300-3
	All data types, imported from `VAM-Temp-Imports` will be imported from the CDD ETSI TS 102 894-2 Release 2 when available
	Include references from https://forge.etsi.org/rep/ITS/asn1/vam-ts103300_3/blob/master/VAM-Temp-Imports.asn

	## Data Elements:		## Data Elements:
	### <a name="IMZM"></a>IMZM		### <a name="IMZM"></a>IMZM
			DF: Interference Management Zone Message Root This DF includes DEs for the IMZM `protocolVersion`, the IMZ message type identifier `messageID` and the station identifier `stationID` of the originating ITS-S.
	DF: Interference Management Zone Message Root
	This DF includes DEs for the IMZM `protocolVersion`, the IMZ message type identifier `messageID`
	and the station identifier `stationID` of the originating ITS-S.

	Fields:		Fields:
	* header [ItsPduHeader](ITS-Container.md#ItsPduHeader) <br>		* header [ItsPduHeader](ITS-Container.md#ItsPduHeader) (WITH COMPONENTS {... , protocolVersion (1)<br>
	header		--!
	- The DE `protocolVersion` is used to select the appropriate protocol decoder at the receiving		--! - The DE `protocolVersion` is used to select the appropriate protocol decoder at the receiving
	ITS-S. For TS 103 724 V2.1.1, the value of the DE `protocolVersion` shall be set to 1.		--! ITS-S. For TS 103 724 V2.1.1, the value of the DE `protocolVersion` shall be set to 1.
	- The DE `messageID` shall be harmonized with other V2X message identifier definitions.		--! - The DE `messageID` shall be harmonized with other V2X message identifier definitions.
	For IMZM, the DE messageID shall be set to `imzm(15)`.		--! For IMZM, the DE messageID shall be set to `imzm(15)`.
	* imzm [InterferenceManagementZoneMessage](#InterferenceManagementZoneMessage) <br>		* imzm [InterferenceManagementZoneMessage](#InterferenceManagementZoneMessage) <br>
			messageId(imzm)}),
	```asn1		```asn1
	IMZM ::= SEQUENCE {		IMZM ::= SEQUENCE {
	header ItsPduHeader,		header ItsPduHeader (WITH COMPONENTS {... , protocolVersion (1), messageId(imzm)}),
	imzm InterferenceManagementZoneMessage		imzm InterferenceManagementZoneMessage
	}		}
	```		```

	### <a name="InterferenceManagementZoneMessage"></a>InterferenceManagementZoneMessage		### <a name="InterferenceManagementZoneMessage"></a>InterferenceManagementZoneMessage
			DF: Interference Management Zone Message This is the actual IMZM Payload. It shall include the time stamp of the IMZM and the applicable containers of type `BasicContainer` and `ImzmContainer`.
	DF: Interference Management Zone Message
	This is the actual IMZM Payload. It shall include the time stamp of the IMZM and the applicable
	containers of type `BasicContainer` and `ImzmContainer`.

	Fields:		Fields:
	* generationDeltaTime [GenerationDeltaTime](CAM-PDU-Descriptions.md#GenerationDeltaTime) <br>		* generationDeltaTime [GenerationDeltaTime](ITS-Container.md#GenerationDeltaTime) <br>
	* imzmParameters [ImzmParameters](#ImzmParameters) <br>		* imzmParameters [ImzmParameters](#ImzmParameters) <br>

	```asn1		```asn1
	InterferenceManagementZoneMessage ::= SEQUENCE {		InterferenceManagementZoneMessage ::= SEQUENCE {
	generationDeltaTime GenerationDeltaTime,		generationDeltaTime GenerationDeltaTime,
	@@ -56,17 +39,13 @@ InterferenceManagementZoneMessage ::= SEQUENCE {
	```		```

	### <a name="ImzmParameters"></a>ImzmParameters		### <a name="ImzmParameters"></a>ImzmParameters
			DF: IMZM Parameters The sequence of containers in the IMZM. Other containers may be added in the future.
	DF: IMZM Parameters
	The sequence of containers in the IMZM. Other containers may be added in the future.

	Fields:		Fields:
	* basicContainer [BasicContainer](CAM-PDU-Descriptions.md#BasicContainer) <br>
	basicContainer
	imported from CAM-PDU-Descriptions
	* imzmContainer [ImzmContainer](#ImzmContainer) <br>		* imzmContainer [ImzmContainer](#ImzmContainer) <br>
	imzmContainer
	container specific to the IMZM		--!
			--! container specific to the IMZM
	```asn1		```asn1
	ImzmParameters ::= SEQUENCE {		ImzmParameters ::= SEQUENCE {
	basicContainer BasicContainer,		basicContainer BasicContainer,
	@@ -76,16 +55,12 @@ ImzmParameters ::= SEQUENCE {
	```		```

	### <a name="ImzmContainer"></a>ImzmContainer		### <a name="ImzmContainer"></a>ImzmContainer
			DF: IMZM Container The IMZM container includes a sequence of up to 16 interference management zones. For each interference management zones, it contains a sequence of interference management zones per channel together with their characteristics.
	DF: IMZM Container
	The IMZM container includes a sequence of up to 16 interference management zones.
	For each interference management zones, it contains a sequence of interference
	management zones per channel together with their characteristics.

	Fields:		Fields:
	* interferenceManagementZones [InterferenceManagementZones](#InterferenceManagementZones) <br>		* interferenceManagementZones [InterferenceManagementZones](ITS-Container.md#InterferenceManagementZones) <br>
	interferenceManagementZones		--!
	mapped to the DF_ProtectedCommunicationZone in ETSI TS 102 894-2		--! mapped to the DF_ProtectedCommunicationZone in ETSI TS 102 894-2
	```asn1		```asn1
	ImzmContainer ::= SEQUENCE {		ImzmContainer ::= SEQUENCE {
	interferenceManagementZones InterferenceManagementZones,		interferenceManagementZones InterferenceManagementZones,
	@@ -93,327 +68,5 @@ ImzmContainer ::= SEQUENCE {
	}		}
	```		```

	### <a name="InterferenceManagementZones"></a>InterferenceManagementZones

	DF: List of Interference Management Zones
	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: [Infrastructure information](#Infrastructure+information) [Communication information](#Communication+information)



	```asn1
	InterferenceManagementZones ::= SEQUENCE (SIZE(1..16), ...) OF InterferenceManagementZone
	```

	### <a name="InterferenceManagementZone"></a>InterferenceManagementZone

	DF: Interference Management Zone
	Describes a zone of interferenceManagement inside which the ITS communication should
	be restricted.

	Categories: [Infrastructure information](#Infrastructure+information) [Communication information](#Communication+information)

	Fields:
	* zoneDefinition [ZoneDefinition](#ZoneDefinition) <br>
	* interferenceManagementInfo [InterferenceManagementInfo](#InterferenceManagementInfo) <br>
	```asn1
	InterferenceManagementZone ::= SEQUENCE {
	zoneDefinition ZoneDefinition,
	interferenceManagementInfo InterferenceManagementInfo
	}
	```

	### <a name="ZoneDefinition"></a>ZoneDefinition

	DF: Zone Definition
	Describes the zone where band sharing occurs. When reusing CDD Rel.1 types, names are unchanged.

	Categories: [Infrastructure information](#Infrastructure+information) [Communication information](#Communication+information)

	Fields:
	* interferenceManagementZoneLatitude [Latitude](ITS-Container.md#Latitude) <br>
	interferenceManagementZoneLatitude
	Latitude of the centre point of the interference management zone.
	* interferenceManagementZoneLongitude [Longitude](ITS-Container.md#Longitude) <br>
	interferenceManagementZoneLongitude
	Longitude of the centre point of the interference management zone.
	* interferenceManagementZoneRadius [ProtectedZoneRadius](ITS-Container.md#ProtectedZoneRadius) OPTIONAL<br>
	interferenceManagementZoneRadius
	Radius of the interference management zone in metres.
	This DE is present if the data is available
	* interferenceManagementZoneID [ProtectedZoneID](ITS-Container.md#ProtectedZoneID) OPTIONAL<br>
	interferenceManagementZoneID
	Identification of the interference management zone.
	This DE is present if the data is available.
	* interferenceManagementZoneShape [InterferenceManagementZoneShape](#InterferenceManagementZoneShape) OPTIONAL<br>
	interferenceManagementZoneShape
	Shape of the interference management zone.
	This DF is present if the data is available.
	```asn1
	ZoneDefinition::= SEQUENCE{
	interferenceManagementZoneLatitude Latitude,
	interferenceManagementZoneLongitude Longitude,
	interferenceManagementZoneRadius ProtectedZoneRadius OPTIONAL,
	interferenceManagementZoneID ProtectedZoneID OPTIONAL,
	interferenceManagementZoneShape InterferenceManagementZoneShape OPTIONAL,
	...
	}
	```

	### <a name="InterferenceManagementInfo"></a>InterferenceManagementInfo

	DF: Interference Management Information
	A list of up to 16 definitions containing which interference management may be applied in the zone,
	per affected frequency channels.

	Note: in the case where no mitigation should be applied by the ITS-S, this is indicated
	by the value of interferenceManagementMitigationType set to unavailable.

	Categories: [Infrastructure information](#Infrastructure+information) [Communication information](#Communication+information)



	```asn1
	InterferenceManagementInfo::= SEQUENCE (SIZE(1..16,...)) OF InterferenceManagementInfoPerChannel
	```

	### <a name="InterferenceManagementInfoPerChannel"></a>InterferenceManagementInfoPerChannel

	DF: Interference Management Information Per Channel
	A break up of the interference management information per affected frequency channels.

	Categories: [Infrastructure information](#Infrastructure+information) [Communication information](#Communication+information)

	Fields:
	* interferenceManagementChannel [InterferenceManagementChannel](#InterferenceManagementChannel) <br>
	interferenceManagementChannel
	Characteritics of the frequency channel for which the zone
	should be applied interference management
	* interferenceManagementZoneType [InterferenceManagementZoneType](#InterferenceManagementZoneType) <br>
	interferenceManagementZoneType
	Type of the interference management zone.
	* interferenceManagementMitigationType [InterferenceManagementMitigationType](#InterferenceManagementMitigationType) OPTIONAL<br>
	interferenceManagementMitigationType
	Type of the mitigation to be used in the interference management zone.
	* expiryTime [TimestampIts](ITS-Container.md#TimestampIts) OPTIONAL<br>
	expiryTime
	Time at which the validity of the interference management communication zone will expire.
	This DE is present when the interference management is temporarily valid
	```asn1
	InterferenceManagementInfoPerChannel ::= SEQUENCE {
	interferenceManagementChannel InterferenceManagementChannel,
	interferenceManagementZoneType InterferenceManagementZoneType,
	interferenceManagementMitigationType InterferenceManagementMitigationType OPTIONAL,
	expiryTime TimestampIts OPTIONAL,
	...
	}
	```

	### <a name="InterferenceManagementChannel"></a>InterferenceManagementChannel

	DF: InterferenceManagementChannel
	Indicates which shared frequency channel should be applied interference management in the zone.

	Categories: [Communication information](#Communication+information)

	Fields:
	* centreFrequency INTEGER (1 .. 99999)<br>
	centre frequency of the channel
	<br>     Unit: _10exp+2 Hz (where exp is exponent)_

	* channelWidth INTEGER (0 .. 9999)<br>
	width of the channel
	<br>     Unit: _10exp Hz (where exp is exponent)_

	* exponent INTEGER (0 .. 15)<br>
	exponent of the power of 10
	<br>     Unit: _N/A_

	```asn1
	InterferenceManagementChannel ::= SEQUENCE {
	centreFrequency INTEGER (1 .. 99999),
	channelWidth INTEGER (0 .. 9999),
	exponent INTEGER (0 .. 15)
	}
	```

	### <a name="InterferenceManagementZoneType"></a>InterferenceManagementZoneType

	DE: InterferenceManagementZoneType
	defines the type of an interference management zone, so that an ITS-S can
	assert the actions to do while passing by such zone (e.g. reduce the transmit
	power in case of a DSRC tolling station).

	Categories: [Communication information](#Communication+information)

	<br>    Unit: _N/A_



	```asn1
	InterferenceManagementZoneType ::= ENUMERATED {
	permanentCenDsrcTolling(0),
	temporaryCenDsrcTolling(1),
	unavailable(2),
	urbanRail(3),
	satelliteStation(4),
	fixedLinks(5),
	...
	}
	```

	### <a name="InterferenceManagementMitigationType"></a>InterferenceManagementMitigationType

	DF: Mitigation type in the interference management zone
	Information and commands defining the required mitigation type the
	receiving ITS-S has to use in the defined interference management zone.
	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.

	Categories: [Communication information](#Communication+information)

	Fields:
	* unavailable NULL <br>
	unavailable is the default value to be used when data is not available.
	* mitigationForTechnologies [MitigationForTechnologies](#MitigationForTechnologies) <br>
	```asn1
	InterferenceManagementMitigationType ::= CHOICE {
	unavailable NULL,
	mitigationForTechnologies MitigationForTechnologies
	}
	```

	### <a name="MitigationForTechnologies"></a>MitigationForTechnologies

	DF: Mitigation type container for the different channel access technology classes
	Class of parameters for the relevant channel access technology classes,
	as specified in ETSI TS 103 724, clause 7.

	Categories: [Communication information](#Communication+information)



	```asn1
	MitigationForTechnologies ::= SEQUENCE (SIZE(1..8)) OF MitigationPerTechnologyClass
	```

	### <a name="MitigationPerTechnologyClass"></a>MitigationPerTechnologyClass

	DF: Mitigation type container per channel access technology class
	Class of parameters for the specific technology indicated in the container.
	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, clause 7.

	Categories: [Communication information](#Communication+information)

	Fields:
	* accessTechnologyClass [AccessTechnologyClass](#AccessTechnologyClass) <br>
	channel access technology in which this mitigation is applied.
	<br>     Unit: _N/A_

	* lowDutyCycle INTEGER (0 .. 10000) OPTIONAL<br>
	duty cycle limit.
	<br>     Unit: _0.01% steps_

	* powerReduction INTEGER (0 .. 30) OPTIONAL<br>
	power reduction.
	<br>     Unit: _dB_

	* dmcToffLimit INTEGER (0 .. 1200) OPTIONAL<br>
	Idle time limit as defined in ETSI TS 103 175.
	<br>     Unit: _ms_

	* dmcTonLimit INTEGER (0 .. 20) OPTIONAL<br>
	Transmission duration limit, as defined in ETSI EN 302 571.
	<br>     Unit: _ms_

	```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="AccessTechnologyClass"></a>AccessTechnologyClass

	DE: channel access technology class
	Access technology to which the mitigation type applies.

	Categories: [Communication information](#Communication+information)



	```asn1
	AccessTechnologyClass ::= ENUMERATED {
	any(0),
	itsg5Class(1),
	ltev2xClass(2),
	nrv2xClass(3),
	...
	}
	```

	### <a name="InterferenceManagementZoneShape"></a>InterferenceManagementZoneShape

	DF: Shape of the interference management zone
	Bounding box of an interference management zone

	Categories: [GeoReference information](#GeoReference+information)

	Fields:
	* rectangle [AreaRectangle](VAM-Temp-Imports.md#AreaRectangle) <br>
	* circle [AreaCircular](VAM-Temp-Imports.md#AreaCircular) <br>
	* polygon [AreaPolygon](VAM-Temp-Imports.md#AreaPolygon) <br>
	* ellipse [AreaEllipse](#AreaEllipse) <br>
	```asn1
	InterferenceManagementZoneShape::= CHOICE {
	rectangle AreaRectangle,
	circle AreaCircular,
	polygon AreaPolygon,
	ellipse AreaEllipse,
	...
	}
	```

	### <a name="AreaEllipse"></a>AreaEllipse

	DF: Area Ellipse
	Area Ellipse copied from CPM TR 103 562. Will be removed when CDD Release 2 is available.
	Describes an elliptical area. The ellipse is centred about the reference point
	of the ITS-S or about the nodeCenterPoint (if provided).

	Categories: [GeoReference information](#GeoReference+information)

	Fields:
	* nodeCenterPoint [OffsetPoint](VAM-Temp-Imports.md#OffsetPoint) OPTIONAL<br>
	nodeCenterPoint
	Optional offset point about which the ellipse is centred with respect to the reference
	position of the ITS-S.
	* semiMajorRangeLength [SemiRangeLength](VAM-Temp-Imports.md#SemiRangeLength) <br>
	semiMajorRangeLength
	Minor radius of the ellipse.
	* semiMinorRangeLength [SemiRangeLength](VAM-Temp-Imports.md#SemiRangeLength) <br>
	semiMinorRangeLength
	Major radius of the ellipse.
	* semiMajorRangeOrientation [WGS84AngleValue](VAM-Temp-Imports.md#WGS84AngleValue) <br>
	semiMajorRangeOrientation
	Orientation of the semiMajorRangeLength of the ellipse in the WGS84 coordinate system.
	```asn1
	AreaEllipse ::= SEQUENCE {
	nodeCenterPoint OffsetPoint OPTIONAL,
	semiMajorRangeLength SemiRangeLength,
	semiMinorRangeLength SemiRangeLength,
	semiMajorRangeOrientation WGS84AngleValue
	}
	```

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