1、 ETSI EN 300 175-4 V2.6.1 (2015-07) Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 4: Data Link Control (DLC) layer EUROPEAN STANDARD ETSI ETSI EN 300 175-4 V2.6.1 (2015-07) 2 Reference REN/DECT-000304-4 Keywords DECT, DLC, IMT-2000, mobility, radio, TDD, TDMA ETSI
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7、. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2015. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks
8、 of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI EN 300 175-4 V2.6.1 (2015-07) 3 Contents Intellectual Property Rights 13g3Foreword . 13g3Modal verbs terminology 13g
9、31 Scope 14g32 References 14g32.1 Normative references . 14g32.2 Informative references 15g33 Definitions, symbols and abbreviations . 16g33.1 Definitions 16g33.2 Symbols and abbreviations . 16g34 Data Link Control (DLC) layer overview 19g34.1 General . 19g34.2 C-plane services . 19g34.3 U-plane ser
10、vices . 20g34.4 Lower Layer Management Entity (LLME) 24g35 C-plane service characteristics . 24g35.1 Data link service (LAPC+Lc) . 24g35.1.1 General 24g35.1.2 LAPC types of operation 25g35.1.3 Establishment of information transfer modes . 25g35.1.3.1 Data Link Identifier (DLI) 25g35.1.3.2 LAPC state
11、s. 25g35.2 Broadcast service (Lb) 26g36 Frame structures for C-plane services 27g36.1 Data link service frame structure 27g36.1.0 Frame format type FA. 27g36.1.1 General frame structure 27g36.1.2 Lc frame delimiting and transparency 28g36.1.3 Transmission order . 28g36.1.4 Routing to logical channel
12、s . 28g36.1.4.0 General 28g36.1.4.1 CF/CLFlogical channel 29g36.1.4.2 CS/CLSlogical channel 29g36.1.5 Invalid frames . 29g36.2 Broadcast service frame structure. 30g36.2.1 Standard frame structure . 30g36.2.2 Extended frame structure 30g37 Elements of procedures and formats of fields for C-plane pee
13、r-to-peer communication . 31g37.1 General . 31g37.2 Address field formats . 31g37.3 Address field parameters 31g37.3.1 REServed bit (RES) 31g37.3.2 Command Response (C/R) bit 31g37.3.3 SAPI field . 31g37.3.4 New Link Flag (NLF) bit 32g37.3.5 LLN-field 32g37.3.6 Data Link Identifiers (DLI) . 32g37.4
14、Control field formats 32g37.5 Control field parameters . 33g37.5.1 Poll/Final (P/F) bit 33g37.5.2 Multiple frame operation variables and sequence numbers 33g37.5.2.1 Modulus 33g37.5.2.2 Send state Variable V(S) . 33g3ETSI ETSI EN 300 175-4 V2.6.1 (2015-07) 4 7.5.2.3 Acknowledge state Variable V(A) 3
15、4g37.5.2.4 Send sequence Number N(S) 34g37.5.2.5 Receive state Variable V(R) 34g37.5.2.6 Receive sequence Number N(R) . 34g37.5.3 Unacknowledged operation variables and sequence numbers 34g37.5.4 Supervisory and Unnumbered function bits S and U 34g37.6 Length indicator field format 34g37.7 Length in
16、dicator field parameters . 35g37.7.1 Length indicator field extension bit (N) 35g37.7.2 More data bit (M) 35g37.7.3 Length parameter (LI) . 35g37.7.4 Extended length parameter (LJJ) . 36g37.7.5 Reserved bit (RES) . 36g37.8 Fill field format 36g37.9 Checksum field format . 36g37.10 Checksum field par
17、ameters 36g37.11 Commands and responses 37g37.11.0 General 37g37.11.1 Information (I) command 38g37.11.2 Receive Ready (RR) command/response 38g37.11.3 Receive Not Ready (RNR) command/response 39g37.11.4 REJect (REJ) command/response . 39g37.11.5 Set Asynchronous Balanced Mode (SABM) command 39g37.1
18、1.6 Disconnect Mode (DM) response . 39g37.11.7 Unnumbered Information (UI) command . 39g37.11.8 DISConnect (DISC) command . 40g37.11.9 Unnumbered ACK (UA) response 40g38 Primitives . 40g38.1 Primitive types 40g38.2 Primitives to the MAC layer (lower layer) . 40g38.3 Primitives to the NWK layer (high
19、er layer) . 40g38.3.0 General 40g38.3.1 Parameter definitions 41g38.3.2 S-SAP primitives 42g38.3.2.0 List of primitives . 42g38.3.2.1 DL_ESTABLISH primitive 42g38.3.2.2 DL_RELEASE primitive 42g38.3.2.3 DL_DATA primitive . 43g38.3.2.4 DL_UNIT_DATA primitive . 43g38.3.2.5 DL_SUSPEND primitive 43g38.3.
20、2.6 DL_RESUME primitive 43g38.3.2.7 DL_ENC_KEY primitive 44g38.3.2.8 DL_ENCRYPT primitive 44g38.3.2.9 DL_SERVICE_MOD primitive 44g38.3.3 B-SAP primitives 44g38.3.3.0 List of primitives . 44g38.3.3.1 DL_BROADCAST primitive 45g38.3.3.2 DL_EXPEDITED primitive 45g38.4 Primitives to the interworking unit
21、 . 45g38.4.0 General 45g38.4.1 Parameter definitions 45g38.4.2 LUX-SAP primitives . 46g38.4.2.0 List of primitives . 46g38.4.2.1 DL_U_DATA primitive 46g38.4.2.2 DL_U_UNIT_DATA primitive 46g38.4.2.3 DL_U_ERROR primitive 46g39 C-plane peer-to-peer procedures 47g39.1 General . 47g39.2 Point to point ac
22、knowledged operation 47g39.2.1 Procedure for the use of the P/F bit 47g3ETSI ETSI EN 300 175-4 V2.6.1 (2015-07) 5 9.2.1.1 Class A acknowledged information transfer . 47g39.2.1.2 Class B acknowledged information transfer . 47g39.2.2 Use of LLN . 48g39.2.2.1 Class A operation 48g39.2.2.2 Class B opera
23、tion 48g39.2.3 Link establishment and information transfer in class A operation 48g39.2.3.1 Establishing class A operation 48g39.2.3.2 Class A acknowledged information transfer . 49g39.2.3.3 Transmission of class A I-frames 49g39.2.3.4 Reception of class A I-frames . 50g39.2.3.5 Receiving acknowledg
24、ements . 50g39.2.3.6 Waiting for acknowledgement 50g39.2.3.7 Release of class A operation . 51g39.2.3.8 Re-establishment of class A operation 51g39.2.4 Establishing class B multiple frame operation 51g39.2.4.1 Overview. 51g39.2.4.2 Class B multiple frame establishment procedures . 52g39.2.4.3 Class
25、B LLN assignment procedures 53g39.2.4.3.0 General 53g39.2.4.3.1 PT establishment . 53g39.2.4.3.2 FT establishment . 54g39.2.5 Link maintenance and information transfer in class B multiple frame operation . 54g39.2.5.0 General 54g39.2.5.1 Transmitting I-frames 54g39.2.5.2 Receiving I-frames 55g39.2.5
26、.2.0 General 55g39.2.5.2.1 P bit set to 1 . 55g39.2.5.2.2 P bit set to 0 . 55g39.2.5.3 Sending and receiving acknowledgements 55g39.2.5.3.1 Sending acknowledgements 55g39.2.5.3.2 Receiving acknowledgements . 55g39.2.5.4 Receiving REJ-frames . 56g39.2.5.5 Receiving RNR-frames . 57g39.2.5.6 LAPC own r
27、eceiver busy condition 58g39.2.5.7 Waiting acknowledgement 58g39.2.5.8 Appropriate supervisory frame 59g39.2.6 Release of class B multiple frame operation . 59g39.2.7 Link suspension and resumption . 60g39.2.7.1 Link suspension . 60g39.2.7.1.0 General 60g39.2.7.1.1 Class B acknowledged suspend . 60g
28、39.2.7.1.2 Unacknowledged suspend . 61g39.2.7.2 Class B link resumption 61g39.2.7.3 Connection handover 62g39.2.7.3.0 General 62g39.2.7.3.1 Class A connection handover 64g39.2.7.3.2 Class B connection handover 64g39.2.7.3.3 Expiry of connection handover timer 65g39.2.8 Re-establishment of class B mu
29、lti-frame operation 65g39.2.8.1 Criteria for re-establishment 65g39.2.8.2 Procedure 65g39.2.9 Exception handling . 66g39.2.9.1 General 66g39.2.9.2 Class B exception condition reporting and recovery . 66g39.2.9.2.0 General 66g39.2.9.2.1 N(S) sequence error . 66g39.2.9.2.2 N(R) sequence error 67g39.2.
30、9.2.3 Timer recovery condition 67g39.2.9.2.4 Collision of identical transmitted and received commands . 67g39.3 Unacknowledged operation 67g39.3.1 Use of LLN for unacknowledged information transfer . 67g39.3.2 Class U link establishment 67g3ETSI ETSI EN 300 175-4 V2.6.1 (2015-07) 6 9.3.3 Unacknowled
31、ged information transfer 68g39.3.3.1 Transmission of unacknowledged information . 68g39.3.3.2 Reception of unacknowledged information 68g39.3.4 Unacknowledged release 68g39.4 Broadcast operation 68g39.4.1 Normal operation 68g39.4.1.1 Procedure in the Fixed radio Termination (FT) 68g39.4.1.2 Procedur
32、e in the Portable radio Termination (PT) 68g39.4.2 Expedited operation 69g39.4.2.1 Procedure in the Fixed radio Termination (FT) 69g39.4.2.2 Procedure in the Portable radio Termination (PT) 69g39.5 MAC layer interfaces . 69g39.5.1 MC-SAP . 69g39.5.1.1 C-plane overview 69g39.5.1.2 C-plane service dat
33、a procedures 70g39.5.1.3 U-plane service data 70g39.5.2 MB-SAP . 70g39.5.2.0 General 70g39.5.2.1 C-plane service data procedures 71g39.5.2.2 U-plane service data 71g39.5.3 MA-SAP . 71g39.5.3.1 Overview . 71g39.5.3.2 Service data procedures . 71g310 Management procedures. 72g310.1 Lower Layer Managem
34、ent Entity (LLME) 72g310.2 MAC connection management . 72g310.2.0 General 72g310.2.1 MAC connection set-up 72g310.2.2 MAC connection release . 73g310.2.3 MAC connection modification . 73g310.2.4 MAC connection identifiers 73g310.2.4.1 Overview . 73g310.2.4.2 Advanced MAC Connection Identifiers (AMCI
35、) 74g310.2.4.3 Basic MAC Connection Identifiers (BMCI) . 74g310.2.4.4 MAC Connection Endpoint Identifier (MCEI) . 75g310.2.5 Selection of logical channel (CSor CF) . 75g310.3 DLC C-plane (LAPC) management . 75g310.3.0 General 75g310.3.1 Provision of link signature 75g310.3.2 Routing of connection or
36、iented links 76g310.3.3 Routing of connectionless links 76g310.4 DLC U-plane (LUX) management . 76g310.4.0 General 76g310.4.1 U-plane establishment. 76g310.4.2 U-plane release . 77g310.4.3 U-plane suspend and resume 77g310.5 Connection handover management 77g310.6 Ciphering management . 78g310.6.1 C
37、iphering management in cases where the NWK layer executes the ciphering related MM procedure 78g310.6.1.0 General 78g310.6.1.1 Providing a key to the MAC layer 78g310.6.1.2 Starting and stopping the ciphering . 78g310.6.1.3 Connection handover 78g310.6.2 Ciphering management in cases where the NWK l
38、ayer does not execute the ciphering related MM procedure 79g310.7 Broadband data link management 79g311 U-plane service characteristics . 79g311.1 General . 79g311.2 LU1 TRansparent UnProtected service (TRUP) 80g311.3 LU2 Frame RELay service (FREL) 80g3ETSI ETSI EN 300 175-4 V2.6.1 (2015-07) 7 11.3.
39、1 General 80g311.3.2 Checksum operation . 81g311.3.3 Segmentation and transmission class 82g311.3.4 Data transmission 82g311.3.4.1 Send side procedure 82g311.3.4.2 Receive side procedure . 83g311.4 LU3 Frame SWItching service (FSWI) 83g311.5 LU4 Forward Error Correction (FEC) service 84g311.6 LU5 Ba
40、sic RATe adaption service (BRAT) . 84g311.6.1 Overview 84g311.6.2 Protected service operation . 85g311.6.2.1 General 85g311.6.2.2 Data buffering and initial rate adaptation 85g311.6.2.3 Multi-channel set multiplexing . 86g311.6.2.4 Segmentation of Multiplexed Data Units (MDU) . 88g311.6.2.5 Frame se
41、quencing and addition of control and fill octets 88g311.6.2.6 Frame transmission . 89g311.6.3 Unprotected service operation 90g311.6.3.1 General 90g311.6.3.2 Data buffering and initial rate adaption . 90g311.6.3.3 Multi-channel set multiplexing . 90g311.6.3.4 Segmentation of MDUs . 91g311.6.3.5 Fram
42、e transmission . 92g311.7 LU6 Secondary RATe adaption (SRAT) service . 92g311.7.1 General 92g311.8 LU16 ESCape Service (ESC) . 93g311.8.1 General 93g311.9 LU7 64 kbit/s data bearer service . 94g311.9.1 General 94g311.9.2 Physical layer service 94g311.9.3 MAC layer service 94g311.9.4 DLC layer servic
43、e . 94g311.9.4.1 Architectural model . 94g311.9.4.1.0 General 94g311.9.4.1.1 Transmit (Tx) frame buffering 95g311.9.4.1.2 Receive (Rx) frame buffering 95g311.9.4.2 Automatic-Repeat-Request (ARQ) and Forward Error Control (FEC) . 95g311.9.4.2.0 General 95g311.9.4.2.1 Control field 96g311.9.4.2.2 Info
44、rmation field 98g311.9.4.2.3 ARQ checksum 99g311.9.4.3 Procedures for normal operation . 99g311.9.4.3.0 General 99g311.9.4.3.1 Establishment and synchronization procedures . 99g311.9.4.3.2 Active phase 101g311.9.4.3.3 Release. 103g311.9.4.4 Exceptional procedures . 103g311.9.4.4.0 General 103g311.9.
45、4.4.1 Invalid frame condition . 103g311.9.4.4.2 Establishment 103g311.9.4.4.3 Transmitting frames . 103g311.9.4.4.4 Receiving frames . 103g311.9.4.4.5 Sending acknowledgements 103g311.9.4.4.6 Forwarding of received data 103g311.9.4.4.7 N(R) sequence error 103g311.9.4.4.8 N(O) sequence error 104g311.
46、9.4.4.9 N(S) sequence error . 104g311.9.4.4.10 Format error . 104g311.9.4.4.11 Abnormal release . 104g311.9.4.4.12 Implicit reset 105g311.9.5 Network layer service . 105g311.9.5.1 LCE service . 105g3ETSI ETSI EN 300 175-4 V2.6.1 (2015-07) 8 11.9.5.2 CC service . 105g311.10 LU8 service 105g311.10.0 G
47、eneral 105g311.10.1 Physical layer service 105g311.10.2 MAC layer service 105g311.10.3 DLC layer service . 105g311.11 LU9 - Unprotected Rate Adaption for V series Equipment (RAVE) Service 106g311.11.1 Overview 106g311.11.1.0 General 106g311.11.1.1 FU9 frame structure 106g311.11.1.1.1 General frame s
48、tructure . 106g311.11.1.1.2 FU9 buffering procedures 107g311.11.1.1.3 Connection handover . 107g311.11.1.1.4 Transmission order 107g311.11.2 Alignment signal management . 107g311.11.2.1 General 107g311.11.2.2 Procedures . 108g311.11.3 V.24 Signalling . 109g311.11.3.1 General 109g311.11.3.2 Transmitt
49、er procedures 109g311.11.3.3 Receiver procedures 109g311.11.4 Rate Coding 109g311.11.4.1 General 109g311.11.4.2 Transmitter procedures 110g311.11.4.3 Receiver procedures 110g311.11.5 DECT Independent Clocking (DIC) . 111g311.11.5.1 General 111g311.11.5.2 Measurement of phase differences 111g311.11.5.3 Compensation control rules . 112g311.11.5.3.1 General 112g311.11.5.3.2 Optimizing error resilience 112g311.11.6 Information field . 113g311.11.6.1 General 113g311.11.6.2 User data rates . 113g311.11.6.3 Information field filling rule . 113g311.11.7 Primitives 114g311.12 LU10 Enhan
