SIST EN 300 175-1 V1.6.1:2003
(Main)Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 1: Overview
Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 1: Overview
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Digitalne izboljšane brezvrvične telekomunikacije (DECT) – Skupni vmesnik (CI) – 1. del: Pregled
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 1: Overview33.070.30'(&7Digital Enhanced Cordless Telecommunications (DECT)ICS:Ta slovenski standard je istoveten z:EN 300 175-1 Version 1.6.1SIST EN 300 175-1 V1.6.1:2003en01-december-2003SIST EN 300 175-1 V1.6.1:2003SLOVENSKI
STANDARD
SIST EN 300 175-1 V1.6.1:2003
ETSI EN 300 175-1 V1.6.1 (2002-01)European Standard (Telecommunications series) Digital Enhanced Cordless Telecommunications (DECT);Common Interface (CI);Part 1: Overview SIST EN 300 175-1 V1.6.1:2003
ETSI ETSI EN 300 175-1 V1.6.1 (2002-01) 2
Reference REN/DECT-000194-1 Keywords DECT, radio ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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© European Telecommunications Standards Institute 2002. All rights reserved.
SIST EN 300 175-1 V1.6.1:2003
ETSI ETSI EN 300 175-1 V1.6.1 (2002-01) 3 Contents Intellectual Property Rights.4 Foreword.4 1 Scope.5 2 References.5 3 Definitions and abbreviations.6 3.1 Definitions.6 3.2 Abbreviations.13 4 Structure.17 4.1 Part 1: Overview.17 4.2 Part 2: Physical Layer (PHL).17 4.3 Part 3: Medium Access Control (MAC) layer.18 4.4 Part 4: Data Link Control (DLC) layer.18 4.5 Part 5: Network (NWK) layer.18 4.6 Part 6: Identities and addressing.18 4.7 Part 7: Security features.18 4.8 Part 8: Speech coding and transmission.18 5 The objectives of the CI standard.19 6 General description of the system.20 7 Description of the protocol architecture.21 7.1 General.21 7.2 The DECT layered structure.21 7.3 Physical Layer (PHL).21 7.4 MAC layer.22 7.5 DLC layer.22 7.6 Network (NWK) layer.22 7.7 Lower Layer Management Entity (LLME).22 7.8 Interworking Units (IWU).23 8 Proprietary escapes within the CI.23 8.1 Primary escape routes.23 8.2 Secondary escape routes.24 9 Levels of conformance.24 Annex A (informative): Bibliography.25 History.26
SIST EN 300 175-1 V1.6.1:2003
ETSI ETSI EN 300 175-1 V1.6.1 (2002-01) 4 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http://webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This European Standard (Telecommunications series) has been produced by ETSI Project Digital Enhanced Cordless Telecommunications (DECT). The present document is part 1 of a multi-part deliverable covering the Common Interface (CI) for the Digital Enhanced Cordless Telecommunications (DECT), as identified below: Part 1: "Overview"; Part 2: "Physical Layer (PHL)"; Part 3: "Medium Access Control (MAC) layer"; Part 4: "Data Link Control (DLC) layer"; Part 5: "Network (NWK) layer"; Part 6: "Identities and addressing"; Part 7: "Security features"; Part 8: "Speech coding and transmission". The following aspects of the present document are subject to controlled distribution: a) DECT identities, as defined in EN 300 175-6 [4]; b) DECT cryptographic algorithms. The cryptographic algorithms specify the details of the DECT standard authentication algorithm and the DECT standard cipher. These aspects are distributed on an individual basis. Further information and details of the current distribution procedures can be obtained from the ETSI Secretariat at the address on the second page of the present document. Further details of the DECT system may be found in TR 101 178 [7], ETR 043 [9] and TR 102 185 [10].
National transposition dates Date of adoption of this EN: 11 January 2002 Date of latest announcement of this EN (doa): 30 April 2002 Date of latest publication of new National Standard or endorsement of this EN (dop/e):
31 October 2002 Date of withdrawal of any conflicting National Standard (dow): 31 October 2002
SIST EN 300 175-1 V1.6.1:2003
ETSI ETSI EN 300 175-1 V1.6.1 (2002-01) 5 1 Scope The present document gives an introduction and overview of the complete Digital Enhanced Cordless Telecommunications (DECT) Common Interface (CI). This part of the DECT CI contains an abstract of the other parts of the DECT standard together with a general description of: - the objectives of the present document; - the DECT Common Interface; - the protocol architecture of DECT. The present document also provides an extensive vocabulary; in particular it contains the common definitions of all the technical terms used in different parts of the present document. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. • References are either specific (identified by date of publication and/or edition number or version number) or non-specific. • For a specific reference, subsequent revisions do not apply. • For a non-specific reference, the latest version applies. [1] ETSI EN 300 175-3: "Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 3: Medium Access Control (MAC) layer". [2] ETSI EN 300 175-4: "Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 4: Data Link Control (DLC) layer". [3] ETSI EN 300 175-5: "Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 5: Network (NWK) layer". [4] ETSI EN 300 175-6: "Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 6: Identities and addressing". [5] ETSI EN 300 175-8: "Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 8: Speech coding and transmission". [6] ETSI EN 300 176: "Digital Enhanced Cordless Telecommunications (DECT); Approval test specification; (Part 1: Radio; Part 2: Speech)". [7] ETSI TR 101 178: "Digital Enhanced Cordless Telecommunications (DECT); A High Level Guide to the DECT Standardization". [8] ETSI ETR 310: "Digital Enhanced Cordless Telecommunications (DECT); Traffic capacity and spectrum requirements for multi-system and multi-service DECT applications co-existing in a common frequency band". [9] ETSI ETR 043: "Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Services and facilities requirements specification". [10] ETSI TR 102 185: "Digital Enhanced Cordless Telecommunications (DECT); Data Services Profile (DSP); Profile overview". [11] ETSI EN 300 403-1: "Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control;
Part 1: Protocol specification [ITU-T Recommendation Q.931 (1993), modified]". SIST EN 300 175-1 V1.6.1:2003
ETSI ETSI EN 300 175-1 V1.6.1 (2002-01) 6 [12] ITU-R Recommendation SM.1046-1 (1997): "Definition of spectrum use and efficiency of a radio system". [13] ITU-R Recommendation M.816-1 (1997): "Framework for services supported on International Mobile Telecommunications-2000 (IMT-2000)". [14] ITU-R Recommendation M.1457 (2000): "Detailed specifications of the radio interfaces of International Mobile Telecommunications-2000 (IMT-2000)". [15] ITU-T Recommendation X.25: "Interface between Data Terminal Equipment (DTE) and Data Circuit-terminating Equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit". 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply: Access Rights Class (ARC): type of access to a DECT network, such as public, residential or private Access Rights Details (ARD): unique number within one ARC Access Rights Identity (ARI): globally unique identity that shows the access rights related to a service provider PARI = Primary ARI; SARI = Secondary ARI; TARI = Tertiary ARI. algorithm: mathematical process or function that transforms an input into an output algorithm identifier: designator to show which algorithm is in use, so that the correct one may be chosen antenna diversity: diversity implies that the Radio Fixed Part (RFP) for each bearer independently can select different antenna properties such as gain, polarization, coverage patterns, and other features that may effect the practical coverage. A typical example is space diversity, provided by two vertically polarized antennas separated by 10 - 20 cm. asymmetric algorithm: See public key algorithm. attach: process whereby a Portable Part (PP) within the coverage area of a Fixed Part (FP) to which it has access rights, notifies the FP that it is operative authentication: corroboration that an entity is the one that is claimed authentication of FT: process whereby the identity of an FT is verified to a DECT PT authentication of PT: process whereby a DECT PT is positively verified to be a legitimate user of a particular FP authentication (of a subscriber): process whereby a DECT subscriber is positively verified to be a legitimate user of a particular FP authentication of user: process whereby a DECT user is positively verified to be a legitimate user of a particular FP bearer: See Medium Access Control (MAC) bearer or bearer service. bearer handover: internal handover process provided by the MAC layer, whereby one MAC connection can modify its underlying bearers while maintaining the service provided to the Data Link Control (DLC) layer bearer service: type of telecommunication service that provides a defined capability for the transmission of signals between user-network interfaces broadcast: simplex point-to-multipoint mode of transmission SIST EN 300 175-1 V1.6.1:2003
ETSI ETSI EN 300 175-1 V1.6.1 (2002-01) 7 C-plane: control plane of the DECT protocol stacks, which contains all of the internal DECT protocol control, but may also include some external user information call: all of the Network (NWK) layer processes involved in one NWK layer peer-to-peer association cell: domain served by a single antenna(e) system (including a leaky feeder) of one FP Central Control Fixed Part (CCFP): physical grouping that contains the central elements of a FP centrex: implementation of a private telecommunication network exchange that is not located on the premises of the private network operator Cipher Key (CK): value that is used to determine the transformation of plaintext to ciphertext in a cryptographic algorithm Cipher Key (CK) generation: process for generating cryptographic keys ciphertext: output of a cryptographic algorithm channel: See "physical channel". cluster: logical grouping of one or more cells between which bearer handover is possible confidentiality: rendering information secret as ciphertext unless the capability is possessed to recover the plaintext from ciphertext connection: See "MAC connection". connection handover: internal handover process provided by the DLC layer, whereby one set of DLC entities (C-plane and U-plane) can re-route data from one MAC connection to a second new MAC connection, while maintaining the service provided to the NWK layer Connectionless mode (C/L): transmission mode that transfers one packet (one self contained unit) of data from one source point to one (or more) destination points in a single phase Connection Oriented mode (C/O): transmission mode that transfers data from one source point to one or more destination points using a protocol based on three phases: "Set-up", "Data transfer" and "Release" Cordless Radio Fixed Part (CRFP): Wireless Relay Station (WRS) that provides independent bearer control to a PT and FT for relayed connections countermeasure: device, instrument or procedure used to counteract or defend against a threat coverage area: area over which reliable communication can be established and maintained cryptography: secret writing Data Encryption Standard (DES): United States Federal data encryption standard Data Link Control (DLC): layer 2b of the DECT protocol stack decipherment: rendering of ciphertext into plaintext DECT Network (DNW): network that uses the DECT air interface to interconnect a local network to one or more portable applications DECT Standard Authentication Algorithm (DSAA): algorithm used for authentication in DECT DECT Standard Cipher (DSC): algorithm used for data encryption in DECT Distributed Communication: the ability of a DECT terminal to provide means for or assist direct communication between any two terminals, members of a "closed" local DECT network DLC broadcast: simplex "connectionless" mode of transmission from the DLC broadcast entity of one FT to the DLC broadcast entities in one or more PT DLC data link (DLC link): association between two DLC layer entities SIST EN 300 175-1 V1.6.1:2003
ETSI ETSI EN 300 175-1 V1.6.1 (2002-01) 8 DLC frame: format used to structure all messages that are exchanged between DLC layer peer entities double duplex bearer: use of two duplex bearers (see duplex bearer) which refer to the same MAC connection, sharing their simplex bearers (see simplex bearer) for the information flow double-simplex bearer: use of two simplex bearers operating in the same direction on two physical channels double slot: one 12th of a TDMA frame which is used to support one high capacity physical channel down-link: transmission in the direction FT to PT duplex bearer: use of two simplex bearers operating in opposite directions on two physical channels encipherment: rendering of plaintext into ciphertext End System (ES): logical grouping that contains application processes and supports telecommunication services Extended MAC control messages: MAC messages of the B-field connection control set external handover: process of switching a call in progress from one FP to another FP FEAL algorithm: Fast Encryption Algorithm; a particular encryption algorithm in the public domain field: continuous region of data (i.e. adjacent bits) that jointly convey information fixed geometry Portable Part (PP): PP in which the electro-acoustic transducers and their associated acoustic components are held in fixed relative positions and/or orientations during all on-line conditions and test conditions of the PP Fixed Part (DECT Fixed Part) (FP): physical grouping that contains all of the elements in the DECT network between the local network and the DECT air interface Fixed radio Termination (FT): logical group of functions that contains all of the DECT processes and procedures on the fixed side of the DECT air interface flow control: mechanism that is used to regulate the flow of data between two peer entities fragment: one of the Service Data Units (SDUs) that is produced by the process of fragmentation fragmentation: process of dividing a Protocol Data Unit (PDU) into more than one SDU for delivery to a lower layer frame: See "TDMA frame" or "DLC frame". full slot (slot): one 24th of a TDMA frame which is used to support one physical channel generic: generalized set or general purpose set, often in the sense of basic or ordinary Generic Access Profile (GAP): standard in addition to the DECT CI that ensures interoperability between FPs and PPs from different manufacturers geographically unique: two FPs with the same PARI, or respectively two RFPs with the same RFPI, cannot be reached or listened to at the same geographical position Global NetWork (GNW): telecommunication network capable of offering a long distance telecommunication service globally unique identity: identity is unique within DECT (without geographical or other restrictions) guard space: nominal interval between the end of a radio transmission in a given slot, and the start of a radio transmission in the next successive slot half slot: one 48th of a TDMA frame which is used to support one physical channel handover: process of switching a call in progress from one physical channel to another physical channel handset echo: echo, perceptible by the far-end user, resulting from the coupling between the receiving and sending directions of the handset, mostly due to acoustic coupling between transducers Hybrid Part (HyP): DECT terminal that provides FT as well as PT capabilities SIST EN 300 175-1 V1.6.1:2003
ETSI ETSI EN 300 175-1 V1.6.1 (2002-01) 9 impersonation: where one identity claims the part of another identity incoming call: call received at a PP Integrated Services Digital Network (ISDN): digital telecommunications infrastructure to the Consultative Committee on International Telegraphy and Telephony (CCITT) standards intercell handover: switching of a call in progress from one cell to another cell internal call: call between 2 users that does not make use of the local network resources internal handover: handover processes that are completely internal to one FT International Portable User Identity (IPUI): identity that uniquely defines one user within the domain defined by his access rights related to this IPUI interoperability: capability of FPs and PPs, that enable a PP to obtain access to teleservices in more than one location area and/or from more than one operator (more than one service provider) interoperator roaming: roaming between FP coverage areas of different operators (different service providers) Interworking Unit (IWU): unit that is used to interconnect subnetworks intracell handover: switching of a call in progress from one physical channel of one cell to another physical channel of the same cell intraoperator roaming: roaming between different FP coverage areas of the same operator (same service provider) Isochronous: essential characteristic of a time-scale or a signal such that the time intervals between consecutive significant instants either have the same duration or durations that are integral multiples of the shortest duration key management: way in which cryptographic keys are generated, distributed and used Key Stream Generator (KSG): cryptographic algorithm which produces a stream of binary digits which can be used for encipherment and decipherment link: See "DLC data link". Local Area Network (LAN): electronic systems which are interconnected and in physical proximity to each other Local Network (LNW): telecommunication network capable of offering local telecommunication services locally unique identity: identity is unique within one FP or location area, depending on application location area: domain in which a PP may receive (and/or make) calls as a result of a single location registration location registration: process whereby the position of a DECT portable termination is determined to the level of one location area, and this position is updated in one or more databases logical channel: generic term for any distinct data path logical connection: association between two instances of the MAC MBC that can be used by higher layers to exchange U-plane or C-plane data Lower Layer Management Entity (LLME): management entity that spans a number of lower layers, and is used to describe all control activities which do not follow the rules of layering Lower Tester (LT): logical grouping that contains the test equipment, a functionally equivalent DECT PT, a functionally equivalent DECT FT and a test controller MAC bearer (bearer): service element that is provided by each Cell Site Function (CSF) MAC connection (connection): association between one source MAC Multi-Bearer Control (MBC) entity and one destination MAC MBC entity masquerading: where one identity plays the part of, or acts as, another identity Medium Access Control (MAC): layer 2a of the DECT protocol stack SIST EN 300 175-1 V1.6.1:2003
ETSI ETSI EN 300 175-1 V1.6.1 (2002-01) 10 minimal MMS-message attributes: message meta-information used in the request-to-send, etc. MMS-message attributes: message meta-information Mobility class 1: local area applications, for which terminals are pre-registered off-air with one or more specific fixed parts, and establishment of service and user parameters is therefore implicit, according to a profile-defined list Mobility class 2: private and public roaming applications for which terminals may move between FPs within a given domain and for which association of service parameters is explicit at the time of service request multiframe: repeating sequence of 16 successive TDMA frames, that allows low rate or sporadic information to be multiplexed (e.g. basic system information or paging) Multimedia Messaging Service: generic set of commands, information elements and functionality for file/messaging service mutual authentication: where two entities corroborate the identity of each other network (telecommunication network): all the means of providing telecommunication services between a number of locations where the services are accessed via equipment attached to the network network echo: echo, perceptible by the DECT user, resulting from reflections in the network. It is mostly due to hybrid impairments at both ends of the communication node: point at which switching occurs operator (DECT operator): individual or entity who or which is responsible for operation of one or more DECT FPs outgoing call: call originating from a PP paging: process of broadcasting a message from a DECT FP to one or more DECT PPs paging area: domain in which the PP will be paged as a part of incoming call establishment PARK Length Indicator (PLI): associates a group of FP ARIs to the PARK, by indicating how many of the first ARC + ARD bits are relevant Personal Identity Number (PIN): short sequence of numbers (usually 4 - 8 digits) which may be used in an authentication process to prove identity phase: one discrete part of a procedure, where the start and end of the part can be clearly identified (e.g. by the arrival or dispatch of a primitive) Physical (PHY): layer 1 of the DECT protocol stack physical channel (channel): simplex channel that is created by transmitting in one particular slot on one particular RF channel in successive TDMA frames plaintext: information or data which is intelligible to everyone Portable Access Rights Key (PARK): this states the access rights for a PP Portable Application (PA): logical grouping that contains all the elements that lie beyond the DECT network boundary on the portable side Portable Handset (PHS): single physical grouping that contains all of the portable elements that are needed to provide a teleservice to the user Portable Part (DECT Portable Part) (PP): physical grouping that contains all elements between the user and the DECT air interface Portable radio Termination (PT): logical group of functions that contains all of the DECT processes and procedures on the portable side of the DECT air interface Portable User Number (PUN): globally or locally unique number within one PUT Portable User Type (PUT): this shows the numbering plan structure of a PUN SIST EN 300 175-1 V1.6.1:2003
ETSI ETSI EN 300 175-1 V1.6.1 (2002-01) 11 Primary Access Rights Identity (PARI): most frequently transmitted ARI primitive: distinct (but abstract) data element that is passed between adjacent protocol layers private: attribute indicating that the application of the so qualified term, e.g. a network, an equipment, a service, is offered to, or is in the interest of, a determined set of users proprietary algorithm: algorithm which is the intellectual property of a legal entity public: attribute indicating that the application of the so qualified term, e.g. a network, an equipment, a service, is offered to, or is in the interest of, the general public Public Access Profile (PAP): profile which ensures interoperability between FPs and PPs for public access services public access service: service that provides access to a public network for the general public public key algorithm: cryptographic algorithm in which a different key is used for encipherment and for decipherment radio channel: See RF channel or physical channel. radio end point: physical grouping that contains one radio transceiver (transmitter/receiver), fixed or portable Radio Fixed Part (RFP): one physical sub-group of a FP that contains all the radio end points (one or more) that are connected to a single system of antennas Radio Fixed Part Identity (RFPI): identit
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