SIST EN 300 175-4 V1.5.1:2003

• Abstract:

  Maintenance update. Supporting ETSI member Organisations; Siemens, Alcatel, Ascom, Philips.

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.070.30 - Digital Enhanced Cordless Telecommunications (DECT)
• ICS: 35.100.20 - Data link layer
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Ref Project: ETSI EN 300 175-4 V1.5.1 (2001-02) - Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 4: Data Link Control (DLC) layer

Overview

SIST EN 300 175-4 V1.5.1:2003 is a Slovenian national standard that is directly equivalent to EN 300 175-4 (V1.5.1), published as part of the European Telecommunications Standards Institute (ETSI) series. This standard forms Part 4 of the Digital Enhanced Cordless Telecommunications (DECT) Common Interface (CI) suite and focuses specifically on the Data Link Control (DLC) layer.

The standard outlines the protocols, services, frame structures, and management procedures for the DLC layer, which sits between the Medium Access Control (MAC) and the Network (NWK) layers in DECT networks. It is critical in ensuring reliable, efficient communication and resource management in cordless telecommunications systems.

Key Topics

• Data Link Control (DLC) Layer: Central to this standard, the DLC layer provides the mechanisms for establishing, maintaining, and releasing communication data links in the DECT system.
• C-Plane and U-Plane Services: The document details control (C-plane) and user (U-plane) service primitives, handling both signaling and user data transmission.
• Frame Structures: Specifications for frame formats, control fields, address fields, and various operational bits and parameters for robust DECT communication.
• Link Management: Procedures for connection setup, modification, and release, including mechanisms for error detection, flow control, and handover support.
• Broadcast and Point-to-Point Communications: Support for efficient transmission modes, both acknowledged and unacknowledged, including expedited operations.
• Security Features: Management of ciphering, authentication, and encryption procedures at the DLC level.
• Interlayer Primitives: Clearly defined primitives for interaction with the MAC layer (lower) and NWK layer (higher), supporting seamless integration.

Applications

SIST EN 300 175-4 V1.5.1:2003 is essential for:

• DECT System Developers and Manufacturers: Ensures compatibility and interoperability of DECT-compliant devices by providing detailed DLC layer requirements.
• Telecommunications Service Providers: Facilitates reliable deployment and maintenance of DECT-based cordless communication systems in residential, commercial, and industrial environments.
• Integration with Wireless Infrastructure: The standard supports interworking between various network layers, promoting flexible and scalable DECT deployments.
• Security-Critical Applications: Provides guidelines for implementing encryption and authentication, catering to use cases where data confidentiality and integrity are paramount.
• Maintenance and Upgrades: The documented management and exception handling procedures are valuable for upgrading legacy DECT systems while maintaining operational stability.

Related Standards

SIST EN 300 175-4 V1.5.1:2003 is part of the broader EN 300 175 series, which defines the entire DECT Common Interface, including:

• EN 300 175-1: Overview and general requirements
• EN 300 175-2: Physical Layer (PHL)
• EN 300 175-3: Medium Access Control (MAC) Layer
• EN 300 175-5: Network Layer (NWK)
• EN 300 175-6: Identities and addressing mechanisms
• EN 300 175-7: Security features

Other relevant international standards include:

• ETSI TS 102 361: DECT for broadband and newer applications
• ISO/IEC 11801: For broader cabling and physical layer requirements

Practical Value

By adhering to SIST EN 300 175-4 V1.5.1:2003, organizations ensure:

• Interoperability across DECT systems and vendors
• Reliable, secure data link operations
• Future-proof compliance with European and international standards

The DLC layer specification is a foundational standard for anyone developing, maintaining, or deploying Digital Enhanced Cordless Telecommunications infrastructure.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 4: Data Link Control (DLC) layer35.100.20Podatkovni povezovalni slojData link layer33.070.30'(&7Digital Enhanced Cordless Telecommunications (DECT)ICS:Ta slovenski standard je istoveten z:EN 300 175-4 Version 1.5.1SIST EN 300 175-4 V1.5.1:2003en01-december-2003SIST EN 300 175-4 V1.5.1:2003SLOVENSKI
STANDARD
ETSIEN300175-4V1.5.1(2001-02)EuropeanStandard(Telecommunicationsseries)DigitalEnhancedCordlessTelecommunications(DECT);CommonInterface(CI);Part4:DataLinkControl(DLC)layerSIST EN 300 175-4 V1.5.1:2003

ETSIETSIEN300175-4V1.5.1(2001-02)2ReferenceREN/DECT-000157-4KeywordsDECT,radioETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:[e-mail]opartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2001.Allrightsreserved.SIST EN 300 175-4 V1.5.1:2003

ETSIETSIEN300175-4V1.5.1(2001-02)3ContentsIntellectualPropertyRights.11Foreword.111Scope.122References.123Definitionsandabbreviations.133.1Definitions.133.2Abbreviations.144DataLinkControl(DLC)layeroverview.154.1General.154.2C-Planeservices.164.3U-planeservices.174.4LowerLayerManagementEntity(LLME).195C-planeservicecharacteristics.195.1Datalinkservice(LAPC+Lc).195.1.1General.195.1.2LAPCtypesofoperation.205.1.3Establishmentofinformationtransfermodes.205.1.3.1DataLinkIdentifier(DLI).205.1.3.2LAPCstates.205.2Broadcastservice(Lb).216FramestructuresforC-planeservices.226.1Datalinkserviceframestructure.226.1.1Generalframestructure.226.1.2Lcframedelimitingandtransparency.236.1.3Transmissionorder.236.1.4Routingtologicalchannels.236.1.4.1CF/CLFlogicalchannel.246.1.4.2CS/CLSlogicalchannel.246.1.5Invalidframes.256.2Broadcastserviceframestructure.256.2.1Standardframestructure.256.2.2Extendedframestructure.267ElementsofproceduresandformatsoffieldsforC-planepeer-to-peercommunication.267.1General.267.2Addressfieldformats.267.3Addressfieldparameters.277.3.1REServedbit(RES).277.3.2CommandResponse(C/R)bit.277.3.3SAPIfield.277.3.4NewLinkFlag(NLF)bit.277.3.5LLN-field.277.3.6DataLinkIdentifiers(DLI).287.4Controlfieldformats.287.5Controlfieldparameters.297.5.1Poll/Final(P/F)bit.297.5.2Multipleframeoperationvariablesandsequencenumbers.297.5.2.1Modulus.297.5.2.2SendstateVariableV(S).297.5.2.3AcknowledgestateVariableV(A).297.5.2.4SendsequenceNumberN(S).297.5.2.5ReceivestateVariableV(R).30SIST EN 300 175-4 V1.5.1:2003

ETSIETSIEN300175-4V1.5.1(2001-02)47.5.2.6ReceivesequenceNumberN(R).307.5.3Unacknowledgedoperationvariablesandsequencenumbers.307.5.4SupervisoryandUnnumberedfunctionbitsSandU.307.6Lengthindicatorfieldformat.307.7Lengthindicatorfieldparameters.307.7.1Lengthindicatorfieldextensionbit;N.307.7.2Moredatabit;M.317.7.3Lengthparameter;LI.317.7.4Extendedlengthparameter;LJJ.327.7.5Reservedbit;RES.327.8Fillfieldformat.327.9Checksumfieldformat.327.10Checksumfieldparameters.327.11Commandsandresponses.347.11.1Information(I)command.347.11.2ReceiveReady(RR)command/response.347.11.3ReceiveNotReady(RNR)command/response.357.11.4REJect(REJ)command/response.357.11.5SetAsynchronousBalancedMode(SABM)command.357.11.6DisconnectMode(DM)response.357.11.7UnnumberedInformation(UI)command.367.11.8DISConnect(DISC)command.367.11.9UnnumberedACK(UA)response.368Primitives.368.1Primitivetypes.368.2PrimitivestotheMAClayer(lowerlayer).368.3PrimitivestotheNWKlayer(higherlayer).378.3.1Parameterdefinitions.378.3.2S-SAPprimitives.388.3.2.1DL_ESTABLISHprimitive.388.3.2.2DL_RELEASEprimitive.398.3.2.3DL_DATAprimitive.398.3.2.4DL_UNIT_DATAprimitive.398.3.2.5DL_SUSPENDprimitive.398.3.2.6DL_RESUMEprimitive.408.3.2.7DL_ENC_KEYprimitive.408.3.2.8DL_ENCRYPTprimitive.408.3.2.9DL_SERVICE_MODprimitive.408.3.3B-SAPprimitives.418.3.3.1DL_BROADCASTprimitive.418.3.3.2DL_EXPEDITEDprimitive.418.4Primitivestotheinterworkingunit.418.4.1Parameterdefinitions.418.4.2LUX-SAPprimitives.428.4.2.1DL_U_DATAprimitive.428.4.2.2DL_U_UNIT_DATAprimitive.428.4.2.3DL_U_ERRORprimitive.429C-planepeer-to-peerprocedures.439.1General.439.2Pointtopointacknowledgedoperation.439.2.1ProcedurefortheuseoftheP/Fbit.439.2.1.1ClassAacknowledgedinformationtransfer.439.2.1.2ClassBacknowledgedinformationtransfer.449.2.2UseofLLN.449.2.2.1ClassAoperation.449.2.2.2ClassBoperation.449.2.3LinkestablishmentandinformationtransferinclassAoperation.449.2.3.1EstablishingclassAoperation.449.2.3.2ClassAacknowledgedinformationtransfer.459.2.3.3TransmissionofclassAI-frames.45SIST EN 300 175-4 V1.5.1:2003

ETSIETSIEN300175-4V1.5.1(2001-02)59.2.3.4ReceptionofclassAI-frames.469.2.3.5Receivingacknowledgements.469.2.3.6Waitingforacknowledgement.479.2.3.7ReleaseofclassAoperation.479.2.3.8Re-establishmentofclassAoperation.479.2.4EstablishingclassBmultipleframeoperation.489.2.4.1Overview.489.2.4.2ClassBmultipleframeestablishmentprocedures.489.2.4.3ClassBLLNassignmentprocedures.499.2.4.3.1PTestablishment.509.2.4.3.2FTestablishment.509.2.5LinkmaintenanceandinformationtransferinclassBmultipleframeoperation.509.2.5.1TransmittingI-frames.519.2.5.2ReceivingI-frames.519.2.5.2.1Pbitsetto1.519.2.5.2.2Pbitsetto0.519.2.5.3Sendingandreceivingacknowledgements.519.2.5.3.1Sendingacknowledgements.519.2.5.3.2Receivingacknowledgements.529.2.5.4ReceivingREJ-frames.529.2.5.5ReceivingRNR-frames.539.2.5.6LAPCownreceiverbusycondition.549.2.5.7Waitingacknowledgement.549.2.5.8Appropriatesupervisoryframe.559.2.6ReleaseofclassBmultipleframeoperation.559.2.7Linksuspensionandresumption.569.2.7.1Linksuspension.569.2.7.1.1ClassBacknowledgedsuspend.569.2.7.1.2Unacknowledgedsuspend.579.2.7.1.2.1ClassA.579.2.7.1.2.2ClassB.579.2.7.1.2.3ClassU.589.2.7.2ClassBlinkresumption.589.2.7.3Connectionhandover.599.2.7.3.1ClassAconnectionhandover.609.2.7.3.2ClassBconnectionhandover.619.2.7.3.3Expiryofconnectionhandovertimer.619.2.8Re-establishmentofclassBmulti-frameoperation.619.2.8.1Criteriaforre-establishment.619.2.8.2Procedure.629.2.9Exceptionhandling.629.2.9.1General.629.2.9.2ClassBexceptionconditionreportingandrecovery.639.2.9.2.1N(S)sequenceerror.639.2.9.2.2N(R)sequenceerror.639.2.9.2.3Timerrecoverycondition.639.2.9.2.4Collisionofidenticaltransmittedandreceivedcommands.639.3Unacknowledgedoperation.649.3.1UseofLLNforunacknowledgedinformationtransfer.649.3.2ClassUlinkestablishment.649.3.3Unacknowledgedinformationtransfer.649.3.3.1Transmissionofunacknowledgedinformation.649.3.3.2Receptionofunacknowledgedinformation.649.3.4Unacknowledgedrelease.649.4Broadcastoperation.659.4.1Normaloperation.659.4.1.1ProcedureintheFixedradioTermination(FT).659.4.1.2ProcedureinthePortableradioTermination(PT).659.4.2Expeditedoperation.659.4.2.1ProcedureintheFixedradioTermination(FT).659.4.2.2ProcedureinthePortableradioTermination(PT).659.5MAClayerinterfaces.66SIST EN 300 175-4 V1.5.1:2003

ETSIETSIEN300175-4V1.5.1(2001-02)69.5.1MC-SAP.669.5.1.1C-planeoverview.669.5.1.2C-planeservicedataprocedures.669.5.1.3U-planeservicedata.679.5.2MB-SAP.679.5.2.1C-planeservicedataprocedures.679.5.2.2U-planeservicedata.689.5.3MA-SAP.689.5.3.1Overview.689.5.3.2Servicedataprocedures.6810Managementprocedures.6810.1LowerLayerManagementEntity(LLME).6810.2MACconnectionmanagement.6910.2.1MACconnectionset-up.6910.2.2MACconnectionrelease.6910.2.3MACconnectionmodification.7010.2.4MACconnectionidentifiers.7010.2.4.1Overview.7010.2.4.2AdvancedMACConnectionIdentifiers(AMCI).7110.2.4.3BasicMACConnectionIdentifiers(BMCI).7110.2.4.4MACConnectionEndpointIdentifier(MCEI).7110.2.5Selectionoflogicalchannel(CSorCF).7210.3DLCC-plane(LAPC)management.7210.3.1Provisionoflinksignature.7210.3.2Routingofconnectionorientedlinks.7310.3.3Routingofconnectionlesslinks.7310.4DLCU-plane(LUX)management.7310.4.1U-planeestablishment.7310.4.2U-planerelease.7310.4.3U-planesuspendandresume.7410.5Connectionhandovermanagement.7410.6Cipheringmanagement.7510.6.1CipheringmanagementincaseswheretheNWKlayerexecutesthecipheringrelatedMMprocedure.7510.6.1.1ProvidingakeytotheMAClayer.7510.6.1.2Startingandstoppingtheciphering.7510.6.1.3Connectionhandover.7510.6.2CipheringmanagementincaseswheretheNWKlayerdoesnotexecutethecipheringrelatedMMprocedure.7511U-planeservicecharacteristics.7611.1General.7611.2LU1TRansparentUnProtectedservice(TRUP).7611.3LU2FrameRELayservice(FREL).7711.3.1General.7711.3.2Checksumoperation.7811.3.3Segmentationandtransmissionclass.7811.3.4Datatransmission.7911.3.4.1Sendsideprocedure.7911.3.4.2Receivesideprocedure.7911.4LU3FrameSWItchingservice(FSWI).7911.5LU4ForwardErrorCorrectionservice(FEC).8011.6LU5BasicRateAdaptionservice(BRAT).8011.6.1Overview.8011.6.2Protectedserviceoperation.8111.6.2.1General.8111.6.2.2Databufferingandinitialrateadaptation.8211.6.2.3Multi-channelsetmultiplexing.8311.6.2.4SegmentationofMultiplexedDataUnits(MDU).8411.6.2.5Framesequencingandadditionofcontrolandfilloctets.8411.6.2.6Frametransmission.8611.6.3Unprotectedserviceoperation.86SIST EN 300 175-4 V1.5.1:2003

ETSIETSIEN300175-4V1.5.1(2001-02)711.6.3.1General.8611.6.3.2Databufferingandinitialrateadaption.8711.6.3.3Multi-channelsetmultiplexing.8711.6.3.4SegmentationofMDUs.8811.6.3.5Frametransmission.8811.7LU6SecondaryRateAdapTion(SRAT)service.8911.7.1General.8911.8LU16ESCapeService(ESC).9011.8.1General.9011.9LU764kbit/sdatabearerservice.9011.9.1General.9011.9.2Physicallayerservice.9011.9.3MAClayerservice.9011.9.4DLClayerservice.9011.9.4.1Architecturalmodel.9011.9.4.1.1Transmit(Tx)framebuffering.9111.9.4.1.2Receive(Rx)framebuffering.9111.9.4.2Automatic-Repeat-Request(ARQ)andForwardErrorControl(FEC).9111.9.4.2.1Controlfield.9311.9.4.2.1.1Formatcontrolparametercoding.9311.9.4.2.1.2OffsetvariableV(O).9311.9.4.2.1.3TimevariablesVn(T).9311.9.4.2.1.4OffsetnumberN(O).9411.9.4.2.1.5SendstatevariableV(S).9411.9.4.2.1.6AcknowledgestatevariableV(A).9411.9.4.2.1.7SendsequencenumberN(S).9411.9.4.2.1.8ReceivestatevariableV(R).9411.9.4.2.1.9ReceivesequencenumberN(R).9511.9.4.2.2Informationfield.9511.9.4.2.3ARQchecksum.9511.9.4.3Proceduresfornormaloperation.9511.9.4.3.1Establishmentandsynchronizationprocedures.9511.9.4.3.2Activephase.9711.9.4.3.2.1Transmittingframes(firsttimetransmission).9711.9.4.3.2.2Re-transmittingframes.9811.9.4.3.2.3Receivingframes.9811.9.4.3.2.4Sendingacknowledgements.9911.9.4.3.2.5Receivingacknowledgements.9911.9.4.3.3Release.9911.9.4.4Exceptionalprocedures.9911.9.4.4.1Invalidframecondition.9911.9.4.4.2Establishment.9911.9.4.4.3Transmittingframes.9911.9.4.4.4Receivingframes.9911.9.4.4.5Sendingacknowledgements.9911.9.4.4.6Forwardingofreceiveddata.10011.9.4.4.7N(R)sequenceerror.10011.9.4.4.8N(O)sequenceerror.10011.9.4.4.9N(S)sequenceerror.10011.9.4.4.10Formaterror.10111.9.4.4.11Abnormalrelease.10111.9.4.4.12Implicitreset.10111.9.5Networklayerservice.10111.9.5.1LCEservice.10111.9.5.2CCservice.10111.10LU8service.10111.10.1Physicallayerservice.10111.10.2MAClayerservice.10111.10.3DLClayerservice.10211.11LU9-UnprotectedRateAdaptionforVseriesEquipment(RAVE)Service.10211.11.1Overview.102SIST EN 300 175-4 V1.5.1:2003

ETSIETSIEN300175-4V1.5.1(2001-02)811.11.1.1FU9framestructure.10311.11.1.1.1Generalframestructure.10311.11.1.1.2FU9bufferingprocedures.10311.11.1.1.3Connectionhandover.10311.11.1.1.4Transmissionorder.10411.11.2Alignmentsignalmanagement.10411.11.2.1General.
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