1、 ETSI EN 300 175-3 V2.6.1 (2015-07) Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 3: Medium Access Control (MAC) layer EUROPEAN STANDARD ETSI ETSI EN 300 175-3 V2.6.1 (2015-07) 2 Reference REN/DECT-000304-3 Keywords DECT, IMT-2000, MAC, mobility, radio, TDD, TDMA E
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7、ETSI. 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 M
8、arks 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 300 175-3 V2.6.1 (2015-07) 3 Contents Intellectual Property Rights 16g3Foreword . 16g3Modal verbs terminology
9、 16g31 Scope 17g32 References 17g32.1 Normative references . 17g32.2 Informative references 18g33 Definitions, symbols and abbreviations . 19g33.1 Definitions 19g33.2 Symbols and abbreviations . 19g34 Description of the MAC layer 22g34.1 MAC layer reference model . 22g34.1.1 General 22g34.1.2 Cluste
10、r Control Function (CCF) . 23g34.1.3 Cell Site Functions (CSF) . 23g34.1.4 Relationship to physical layer elements 23g34.2 Frame and multiframe structures 24g34.2.1 General 24g34.2.2 Frame structure . 24g34.2.3 Multiframe structure . 25g34.3 State definitions 26g34.3.1 PP states 26g34.3.2 RFP states
11、 . 27g35 Overview of MAC layer services . 27g35.1 General . 27g35.1.0 Service groupings . 27g35.1.1 Broadcast Message Control (BMC) 28g35.1.2 Connectionless Message Control (CMC) . 28g35.1.3 Multi-Bearer Control 28g35.2 Service descriptions 28g35.2.1 Common functions 28g35.2.2 BMC service . 28g35.2.
12、3 CMC service . 29g35.2.4 MBC services 29g35.3 Logical channels . 29g35.3.0 Overview 29g35.3.1 MBC connection endpoints (MC-SAP logical channels) . 30g35.3.1.1 The higher layer C-plane channels, C . 30g35.3.1.2 The higher layer U-Plane channels, I 30g35.3.1.3 The higher layer U-Plane control channel
13、s, GFand GFA. 31g35.3.1.4 The higher layer U-Plane channel in E+U type slots, IPF31g35.3.2 CMC endpoints (MB-SAP logical channels) 31g35.3.2.1 The connectionless C-Plane channels, CL 31g35.3.2.2 The connectionless U-Plane channels, SINand SIP. 32g35.3.2.3 The connectionless U-Plane channel in E+U ty
14、pe slots, SIPF32g35.3.3 BMC endpoint (MA-SAP logical channel) . 32g35.3.3.1 The slow broadcast channel, BS32g35.3.3.2 The ULE broadcast channel, BU. 32g35.3.4 Internal MAC control channels . 33g35.3.4.1 The system information channel, Q 33g35.3.4.2 Identities channel, N 33g35.3.4.3 The MAC control c
15、hannel, M . 33g35.3.4.4 MAC paging channel, P 33g35.3.4.5 The Compound System Information Channel, QC33g3ETSI ETSI EN 300 175-3 V2.6.1 (2015-07) 4 5.3.4.6 The Split Identities Channel, NS34g35.3.4.7 The ULE MAC Control Channel, MU34g35.3.4.8 The ULE Paging Channel, PU34g35.4 SAP definitions 34g35.4.
16、0 General 34g35.4.1 MA SAP . 34g35.4.2 MB SAP 35g35.4.3 MC SAP 35g35.4.4 ME SAP 36g35.4.5 Order of transmission 36g35.5 Bearers 36g35.5.0 General 36g35.5.1 Bearer types 36g35.5.2 Bearer operation 37g35.6 Connection oriented services 37g35.6.0 General 37g35.6.1 Connection types 37g35.6.1.0 General 37
17、g35.6.1.1 Basic connections 37g35.6.1.2 Advanced connections 38g35.6.1.2.0 General 38g35.6.1.2.1 Rules for ECN selection in advanced connections 38g35.6.1.2.2 Expedited operations in advanced connections . 38g35.6.1.3 Connection identifiers . 39g35.6.1.4 Complementary connections . 39g35.6.2 Symmetr
18、ic and asymmetric connections . 39g35.6.2.0 General 39g35.6.2.1 Symmetric connections . 39g35.6.2.2 Asymmetric connections. 45g35.7 Broadcast and connectionless services . 56g35.7.0 General 56g35.7.1 The broadcast services 56g35.7.1.0 General 56g35.7.1.1 The continuous broadcast service . 56g35.7.1.
19、2 The non-continuous broadcast service 57g35.7.2 The connectionless services 57g35.7.2.0 General 57g35.7.2.1 Connectionless downlink services 57g35.7.2.1.1 Coding of TA and BA bits in connectionless downlink services 58g35.7.2.2 Connectionless uplink services . 58g35.8 ULE Broadcast services . 59g35
20、.8.0 General 59g35.8.1 The continuous ULE broadcast service 59g36 Multiplexing . 59g36.0 General . 59g36.1 CCF multiplexing functions . 59g36.2 CSF multiplexing functions 59g36.2.0 General 59g36.2.1 Bit Mappings (MAP) 65g36.2.1.0 General 65g36.2.1.1 D-field mapping (D-MAP) 65g36.2.1.1.0 General 65g3
21、6.2.1.1.1 D-field mapping for the double slot structure (physical packet P80) 66g36.2.1.1.2 D-field mapping for the full slot structure (physical packet P32) 66g36.2.1.1.3 D-field mapping for the short slot structure (physical packet P00) . 67g36.2.1.1.4 D-field mapping for the variable slot structu
22、re (physical packet P00j) . 68g36.2.1.2 A-field Mapping (A-MAP) . 69g36.2.1.3 B-field Mapping (B-MAP) 70g36.2.1.3.0 General 70g36.2.1.3.1 Unprotected format 70g3ETSI ETSI EN 300 175-3 V2.6.1 (2015-07) 5 6.2.1.3.2 Encoded protected format 71g36.2.1.3.3 Multisubfield protected format 72g36.2.1.3.4 Sin
23、glesubfield protected format switches 75g36.2.1.3.5 Constant-size subfield protected format 76g36.2.2 Time multiplexers . 79g36.2.2.0 General 79g36.2.2.1 Tail MUltipleXer (T-MUX) 79g36.2.2.1.0 General 79g36.2.2.1.1 T-MUX algorithm for RFP transmissions . 79g36.2.2.1.2 T-MUX algorithm for PT transmis
24、sions 81g36.2.2.2 B-field control multiplexer (E/U-MUX) . 82g36.2.2.3 B-field mode multiplexer E-type and E+U-type modes 84g36.2.2.3.1 E-type and E+U-type modes for slots with more than one subfield 84g36.2.2.3.2 Half slot (j=80) modes for 2-level modulation 97g36.2.2.4 Priority scheme in E or E+U m
25、ode . 98g36.2.3 MAC Encryption 99g36.2.4 Scrambling 99g36.2.5 Error control 101g36.2.5.0 General 101g36.2.5.1 R-CRC overview . 101g36.2.5.2 R-CRC generation and checking . 102g36.2.5.3 X-CRC overview . 102g36.2.5.4 X-CRC generation and checking . 102g36.2.5.5 B-CRC generation and checking . 104g36.2
26、.6 Broadcast controller 105g37 Medium access layer messages 105g37.0 General . 105g37.1 Header field 106g37.1.1 Overview/formatting . 106g37.1.2 Tail identification, TA, bits a0to a2106g37.1.3 The “Q1/BCK“ bit, bit a3106g37.1.4 B-field identification, BA, bits a4to a6. 107g37.1.5 The “Q2“ bit, bit a
27、7. 108g37.2 Messages in the tail field 108g37.2.1 Overview 108g37.2.2 Identities information (NT) 109g37.2.3 System information and multiframe marker (QT) . 109g37.2.3.1 General 109g37.2.3.2 Static system information 110g37.2.3.2.1 General, QH= 0, 1 (hex) 110g37.2.3.2.2 QHand Normal-Reverse (NR) . 1
28、10g37.2.3.2.3 Slot Number (SN) 110g37.2.3.2.4 Start Position (SP) . 111g37.2.3.2.5 ESCape bit (ESC) 111g37.2.3.2.6 Number of transceivers 111g37.2.3.2.7 Extended RF carrier information available (Mc) . 112g37.2.3.2.8 RF carriers available (RF-cars) 112g37.2.3.2.9 Spare bits (SPR) 112g37.2.3.2.10 Car
29、rier number. 112g37.2.3.2.11 Extended static system information available (Ext-System-Info) and spare bit 113g37.2.3.2.12 Primary receiver Scan Carrier Number (PSCN) 113g37.2.3.3 Extended RF carrier information part 1 113g37.2.3.3.1 General, QH= 2 (hex) 113g37.2.3.3.2 Further RF carrier extensions 1
30、14g37.2.3.3.3 Number of RF carriers . 114g37.2.3.4 Fixed part capabilities . 114g37.2.3.4.1 General, QH= 3 (hex) 114g37.2.3.4.2 Standard capabilities 114g37.2.3.5 Extended fixed part capabilities 115g37.2.3.5.1 General, QH= 4 (hex) 115g37.2.3.5.2 Extended Physical and MAC layer capabilities . 116g3E
31、TSI ETSI EN 300 175-3 V2.6.1 (2015-07) 6 7.2.3.5.3 Extended higher layer capabilities . 117g37.2.3.6 Secondary access rights identities . 117g37.2.3.6.1 General, QH= 5 (hex) 117g37.2.3.6.2 SARI message . 117g37.2.3.7 Multiframe number . 117g37.2.3.7.1 General, QH= 6 (hex) 117g37.2.3.7.2 Multiframe n
32、umber 117g37.2.3.8 Escape . 118g37.2.3.8.1 General, QH= 7 (hex) 118g37.2.3.8.2 Escape information 118g37.2.3.9 Extended RF carrier information part 2 118g37.2.3.9.1 General, QH= 9 (hex) 118g37.2.3.10 Transmit information 118g37.2.3.10.1 General, QH= B (hex) . 118g37.2.3.11 Extended fixed part capabi
33、lities (part 2) . 119g37.2.3.11.1 General, QH= C (hex) . 119g37.2.3.11.2 Extended Physical and MAC layer capabilities (part 2) 119g37.2.3.11.3 Extended higher layer capabilities (part 2) 120g37.2.3.12 Extended static system information 120g37.2.3.12.1 General, QH= D (hex) . 120g37.2.3.12.2 Spare bit
34、s (Spare) 121g37.2.3.12.3 RFP slot scheme info . 121g37.2.4 Paging Tail (PT) 121g37.2.4.1 General format 121g37.2.4.1.1 PTformat for full and long page messages 121g37.2.4.1.2 PTformat for short page messages 122g37.2.4.1.3 PTformat for zero length page messages . 122g37.2.4.1.4 PTformat for MAC_Res
35、ume_and_Control_page message . 122g37.2.4.2 PTheader format 123g37.2.4.2.1 General format. 123g37.2.4.2.2 Bit a8is the extend flag 123g37.2.4.2.3 BSSDU length indication 123g37.2.4.3 MAC layer information for PT 123g37.2.4.3.1 Information type 123g37.2.4.3.2 Fill bits / Blind long slot (j=640 / j=67
36、2) information . 124g37.2.4.3.3 Blind full slot information . 124g37.2.4.3.4 Bearer description 125g37.2.4.3.5 Escape 125g37.2.4.3.6 Dummy or connectionless downlink bearer marker 125g37.2.4.3.7 Bearer handover/replacement and no-emission mode information . 126g37.2.4.3.8 RFP status and modulation t
37、ypes . 126g37.2.4.3.9 Active carriers . 127g37.2.4.3.10 RFP power level 128g37.2.4.3.11 Blind double slot/RFP-FP interface resource information . 128g37.2.4.3.12 Extended modulation types . 129g37.2.5 MAC control (MT) 129g37.2.5.1 General format and contents . 129g37.2.5.2 Basic connection control .
38、 130g37.2.5.2.1 General 130g37.2.5.2.2 Format for most messages . 130g37.2.5.2.3 WAIT 131g37.2.5.2.4 ATTRIBUTES_T_Req;Cfm 131g37.2.5.3 Advanced connection control 131g37.2.5.3.1 General 131g37.2.5.3.2 ACCESS_REQUEST 131g37.2.5.3.3 BEARER_HANDOVER_REQUEST . 132g37.2.5.3.4 CONNECTION_HANDOVER_REQUEST
39、. 132g37.2.5.3.5 UNCONFIRMED_ACCESS_REQUEST. 132g37.2.5.3.6 BEARER_CONFIRM . 132g37.2.5.3.7 WAIT 132g37.2.5.3.8 ATTRIBUTES_T_Req;Cfm 132g37.2.5.3.9 BANDWIDTH_T_Req;Cfm 135g3ETSI ETSI EN 300 175-3 V2.6.1 (2015-07) 7 7.2.5.3.10 Channel_list . 135g37.2.5.3.11 Unconfirmed_dummy 136g37.2.5.3.12 Unconfirm
40、ed_handover . 136g37.2.5.3.13 RELEASE . 136g37.2.5.4 MAC layer test messages 137g37.2.5.4.0 General 137g37.2.5.4.1 Basic format 137g37.2.5.4.2 FORCE_TRANSMIT 138g37.2.5.4.3 LOOPBACK_DATA 138g37.2.5.4.4 DEFEAT_ANTENNA_DIVERSITY 139g37.2.5.4.5 ESCAPE 139g37.2.5.4.6 NETWORK_TEST 140g37.2.5.4.7 CLEAR_TE
41、ST_MODES. 140g37.2.5.4.8 CHANGE_MODULATION_SCHEME . 140g37.2.5.5 Quality control 141g37.2.5.5.0 General 141g37.2.5.5.1 Prolonged preamble diversity 142g37.2.5.6 Broadcast and connectionless services 142g37.2.5.7 Encryption control . 143g37.2.5.8 B-field setup, first PT transmission . 144g37.2.5.9 Es
42、cape . 144g37.2.5.10 TARI message . 145g37.2.5.11 REP connection control . 145g37.2.5.11.1 General 145g37.2.5.11.2 Format for most messages . 145g37.2.5.11.3 REP CHANNEL MAP REQUEST . 145g37.2.5.11.4 REP CHANNEL MAP CONFIRM . 146g37.2.5.12 Advanced connection control part 2 146g37.2.5.12.1 General 1
43、46g37.2.5.12.2 Short description of the advanced connection control part 2 messages . 146g37.2.5.12.3 Format for most advanced connection control part 2 messages 147g37.2.5.12.4 Format for “ready for release with GFA“ and “expedited release with GFA“ messages . 147g37.2.5.12.5 Reason codes in “ready
44、 for release with GFA“ and “expedited release with GFA“ messages 149g37.2.5.12.6 Format for “Null or GFAchannel transmission“ message . 150g37.3 Messages in the B-field 151g37.3.1 Overview 151g37.3.2 Advanced connection control . 152g37.3.2.1 General format 152g37.3.2.2 BEARER_REQUEST . 153g37.3.2.3
45、 BEARER_CONFIRM . 153g37.3.2.4 WAIT 154g37.3.2.5 ATTRIBUTES_B_Req;Cfm . 154g37.3.2.6 BANDWIDTH_B_Req;Cfm . 155g37.3.2.7 CHANNEL_LIST . 155g37.3.2.8 UNCONFIRMED_DUMMY 155g37.3.2.9 UNCONFIRMED_HANDOVER . 156g37.3.2.10 RELEASE . 156g37.3.3 Null or IPFsegmentation info 157g37.3.3.0 General 157g37.3.3.1
46、Spare or IPFsegmentation info 158g37.3.3.2 Extended NCF bits 159g37.3.4 Quality control 159g37.3.4.1 General format 159g37.3.4.2 Bearer and connection control. 159g37.3.4.3 RESET 161g37.3.4.4 Bearer quality in an asymmetric connection . 161g37.3.5 Extended system information . 162g37.3.5.1 General f
47、ormat 162g37.3.5.2 TARI messages . 162g37.3.5.3 “no-emission“ mode sync information or ULE Dummy Bearer subfield 2 . 162g37.3.5.3.0 General 162g3ETSI ETSI EN 300 175-3 V2.6.1 (2015-07) 8 7.3.5.3.1 “no-emission“ mode sync information for dummy bearer . 162g37.3.5.3.2 ULE Dummy Bearer subfield 2 . 163
48、g37.3.5.4 ULE Dummy Bearer subfield 3 163g37.3.5.5 ULE Dummy Bearer subfield 0 163g37.3.5.6 ULE Dummy Bearer subfield 1 164g37.3.6 GFchannel data packet 164g37.3.7 Escape . 164g38 Medium access layer primitives . 165g38.0 General . 165g38.1 Connection oriented service primitives 165g38.1.0 General 1
49、65g38.1.1 Connection setup: MAC_CON req;ind;cfm 165g38.1.2 Connection modification: MAC_MOD req;ind;cfm . 167g38.1.3 CO data transmit ready: MAC_CO_DTR ind . 168g38.1.4 CO data transfer: MAC_CO_DATA req;ind 168g38.1.5 Restart DLC: MAC_RES_DLC ind 168g38.1.6 Connection release: MAC_DIS req;ind 169g38.1.7 MAC bandwidth: MAC_BW ind;res 169g38.1.8 Encryption. 169g38.1.8.1 Load encryption key: MAC_ENC_KEY req . 169g38.1.8.2 Enable/disable encryption: MAC_ENC_EKS req;ind;cfm . 170g38.1.9 C-plane switching procedure 170g38.1.9.1 C-plane switching procedure:
