1、ISTD-ETSI ETS 3O 32b-2-ENGL 1998 W 3400855 032b3b2 87b I EUROPEAN IC 1 ELECOMMUNICATION STANDARD ETS 300 326-2 August 1998 Second Edition- Source: ERM Reference: R EERM-RP05-005-2 ICs: 33.020 Key words: interface, radio, speech, TFTS Electromagnetic compatibility and Radio spectrum Matters (ERM); Te
2、rrestrial Flight Telecommunications System (TFTS); Part 2: Speech services, radio interface ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: F-O6921 Sophia Antipolis CEDEX - FRANCE Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE inte
3、rnet: secretariatQetsi.fr - http:/www.etsi.fr - http:/www.etsi.org Tel.: +33 4 92 94 42 O0 - Fax: +33 4 93 65 47 16 Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. O Europea
4、n Telecommunications Standards Institute 1998. All rights reserved. ISTD-ETSI ETS 300 32b-2-ENGL 1998 M 3400855 032b3b3 722 Page 2 ETS 300 326-2: Agct 1998 Whilst every care has been taken in the preparation and publication of this document, errors in content, typographical or otherwise, may occur.
5、If you have comments concerning its accuracy, please write to “ETSI Standards Making Support Dept.“ at the address shown on the title page. ISTD-ETSI ETS 300 32b-2-ENGL 1998 3400855 U32b3bLi bb9 I Page 3 ETS 300 326-2: August 1998 Contents Foreword . 13 Introduction 13 Scope 15 Normative references
6、15 Abbreviations 17 Introduction to Terrestrial Flight Telecommunications System (TFTS) 19 4.1 General 19 4.2 Interface specification objectives 20 4.3 Interface characteristics ; . 20 Protocol modelling principles . ; 20 5.1 AS-GSS layering . 20 TFTS user-to-network reference configuration . 22 6.1
7、 General 22 6.1.1 Reference configurations 22 6.1.2 Functional groups . 22 6.1.3 Reference points 22 6.1.4 Terminal Equipment (TE) 23 6.2 TFTS reference configuration 23 6.3 Interfaces . 25 Channel structures and access capabilities 25 7.1 General 25 7.2 Channel types and their use: Traffic Channels
8、 (TCH) 25 7.3 Channel types and their use: Control channels . 26 7.3.1 Logical control channel types . 26 7.3.1.1 7.3.1.2 7.3.1.3 7.3.1.4 7.3.1.5 Broadcast Control CHannel (BCCH) . 26 Random Access CHannel (RACH) 26 Initial Response Control CHannel (IRCCH) 26 Radio Control CHannel (RCCH) . 26 Dedica
9、ted Control CHannel (DCCH) . 26 7.4 7.5 GS Access capability 26 AS access capability . 28 TFTS Radio Inferface layer 1 . 29 8.1 Interfaces to the physical layer . 29 8.1.1 Interface to layer 2 . 29 8.1.2 Interface to radio resource management 29 8.1.3 Interface to other functional units . 29 Service
10、s of layer 1 30 8.2.1 Service Access Point (SAP) 30 8.2.2 Service provided 30 8.2.2.1 Specific services of layer 1 in the AS 30 Primitives of layer 1 . 31 8.3.1 Generic names of primitives between layer 1 and layer 2 for the transfer of layer 2 frames 31 8.3.2 Generic names of primitives between lay
11、er 1 and the radio resource 8.2 8.3 management entity of layer 3 31 ISTD-ETSI ETS 300 32b-2-ENGL 1998 m 3Li0855 32b3b5 5T5 D Page 4 ETS 300 326-2: August 1998 8.8.2.3 8.8.2.4 8.8.2.5 8.8.2.6 8.8.2.7 8.3.3 Primitive types 32 8.3.4 Parameter definition 32 Layer 1 procedures . 33 8.4.1 States of layer
12、1 . 33 8.4.2 Remap procedure i. . 33 8.4.2.1 Channel remap protocol 34 8.4.3 Layer 1 interface procedures . 34 8.5.1 8.5.2 Layer 1 radio control . 35 8.5.3 Layer 1 random access procedures . 35 8.5.4 Layer 1 channel access transaction . 36 8.6.1 General . 36 8.6.2 Slot structure . 37 8.4 8.5 Layer 1
13、 peer to peer exchanges . 35 BCCH Synchronization (S) transmission 35 8.6 TDMA characteristics (Time Division Multiple Access) 36 General slot types 37 8.6.2.1 8.6.2.2 8.6.2.1.1 Field data 38 Synchronization slot types . 38 8.6.2.2.1 Field data 38 8.6.3 Functions of logical channels and mapping to p
14、hysical channels 40 8.6.4 Timing requirements . 44 8.6.5 Coding aspects 44 8.6.5.1 G1 slot . 44 8.6.5.2 G2 slot . 44 8.6.5.3 G3 slot . 44 8.6.5.4 Coding and interleaving of G2 and G3 slots 44 8.6.5.5 Coding of S1 slot 46 8i6.5.6 Coding of S2 slot 46 8.7 Modulation characteristics 46 8.7.1 General .
15、46 8.7.1.1 8.7.1.2 8.7.1.3 8.7.2.1 Phase definition 47 8.7.2.2 Modulation filtering and modulated signal definition 48 8.7.2.3 Modulator and transmitter accuracy . 49 8.7.2.3.1 Ideal case 50 Real case I . 50 8.7.2.4 Scrambler 51 Radio transmission and reception Characteristics- . 51 8.8.1 General ch
16、aracteristics . 51 8.8.1.1 Channelling . 51 8.8.1.1.1 Frequency range 51 Channel selection time . 52 Frequency stability 52 8.8.1.3.1 AS . 52 8.8.1.3.2 GS 52 8.8.1.4 Modulation . 52 8.8.2 Transmitter 52 8.8.2.1 Polarization 52 8.8.2.2 Radiated power 52 8.8.2.2.1 AS . 52 8.8.2.2.2 GS 53 Power ramping
17、 procedure in the AS . 54 RF spectrum mask 54 Out of band emissions . 55 Type of modulation . 46 Channel transmission rate 47 Data clock stability 47 8.7.2 Modulator 47 8.7.2.3.2 8.8 8.8.1.1.2 Radio frequency channel arrangement 52 Spurious emissions . 55 Modulation accuracy . 55 8.8.1.2 8.8.1.3 IST
18、D-ETSI ETS 300 32b-2-ENGL 1338 31-100855 32b3bb q31 Page 5 ETS 300 326-2: August 1998 8.8.3 Receiver 55 8.8.3.1 Frequency offsets . 55 8.8.3.2 Static propagation conditions . 56 8.8.3.2.1 Without interferer. . 56 8.8.3.2.2 With an interferer created by the intermodulation of two interfering signals
19、. 56 With adjacent interferer: TDM at the AS receiver and TDMA (uniform timeslot level) at the GS receiver . 56 variable timeslot level for GS receiver 57 Dynamic propagation conditions 57 8.8.4.1 Basic BERs 57 8.8.4.2 BERs with interfering signals . 57 8.8.4.3 GS receivers 58 Propagation models . .
20、 58 8.8.5.1 General . 58 8.8.5.2 Doppler spectrum types 58 8.8.5.3 Models 59 8.8.5.3.1 Airport manoeuvring 59 8.8.5.3.2 Take-off 60 8.8.5.3.3 In-flight 60 8.8.3.2.3 8.8.3.2.4 With co-channel TDMA interferer: 8.8.4 8.8.5 8.9 GS antenna characteristics 60 8.9.1 General . 60 8.9.2 Common characteristic
21、s for all GS types 60 8.9.2.1 Frequency range 60 8.9.2.2 Polarization 60 8.9.2.3 Energy acceptance capability 61 8.9.3 Specific characteristics for each type of GS . 61 8.9.3.1 Radiation patterns 61 8.9.3.1.1 En route stations 61 8.9.3.1.2 Intermediate stations 62 8.9.3.1.3 .Airport stations . 62 8.
22、9.3.2 Antenna height 62 Radio sub-system link control . 62 8.10.1 General . 62 8.10.2 Handover general . 62 8.10.2.1 Overall process 62 8.10.2.2 R.F. power control . 63 8.10.3.1 Purpose . 63 8.10.3.2 Timing 63 8.10.3.3 Initial exchanges . 63 8.1 0.4 RF power control at call initiation . 64 8.10.5 Ha
23、ndover procedure . 65 8.10.6 Cell selection and re-selection . 65 8.10.6.1 Overall process 65 8.10.6.2 Reception of broadcast information 65 8.10.6.3 GS selection 65 8.1 0.6.4 Synchronization 66 8.10.6.5 Negotiation . 66 8.10.7 Network pre-requisites 66 8.10.7.1 BCCH 66 8.10 Decision strategy for GS
24、 to GS handover . 63 8.10.2.2.1 Primary handover decision 63 8.10.3 8.10.7.1.1 BCCH(S) . 66 8.10.7.1.2 BCCH(D) . 66 8.10.7.2 GS Handover . 67 Radio Link Measurements (RLM) 67 8.1 0.8.1 Signal strength . 67 8.10.8 /STD-ETSI ETS 300 32b-2-ENGL 1798 3400855 032b3b7 378 W Page 6 ETS 300 326-2: August 19
25、98 8.10.8.2 Signal quality 67 8.10.8.2.1 AS . 67 8.10.8.2.2 GS 67 8.10.8.2.3 Range of parameter . 67 Absolute distance (AS only) . 67 8.10.8.3.1 Range of parameter . 68 Radio Link Failure (RLF) 68 8.1 0.8.3 8.10.8.4 8.10.9 Timing control . 68 8.10.10 Control parameters . 68 8.10.1 O . 1 Definition o
26、f network parameters 68 8.1 O . 1 0.2 Definition of Radio Resource (RR) parameters 69 8.10.10.3 Definition of other parameters 70 8.10.1 0.4 Calculation of range limit 70 Radio sub-system synchronization 71 Introduction 71 GS synchronization . 71 Cold Start Synchronization (CSS) 71 AS cold start req
27、uirements 71 GS acquisition 71 Transmitted S2 slot 72 Received G3 slot 72 Timing adjustment . 72 GS cold start requirements 72 S2 reception 72 8.1 1.4.1 AS requirements . 72 8.1 1.4.2 GS requirements 72 8.1 1.5 Warm Start Synchronization (WSS) . 72 8.1 1.5.1 GS 72 AS . 72 8.1 1.5.2 8.1 1 8.1 1 . 1 8
28、.1 1.2 8.1 1.3 8.1 1.3.1 8.1 1.3.1.1 8.1 1.3.1.2 8.11.3.1.3 8.1 1.3.1.4 8.1 1 -3.2.1 8.1 1.3.2 8.1 1.4 Tracking procedure . 72 9 TITS radio interface laver 2 . 73 9.1 9.2 9.3 9.4 9.5 9.6 General 73 Layer 2 services 73 9.3.1 General . 75 Overview description of LAPDa functions and procedures 9.3.2 Un
29、acknowledged operation . 76 9.3.3 Acknowledged operation . 77 Information transfer mode . 77 9.3.4.1 Information transfer on the BCCH . 77 9.3.4.2 Information transfer on the DCCHs . 77 Release of layer 2 77 Identification of layer 2 end points 77 75 9.3.4 9.3.5 9.3.6 Service characteristics and req
30、uirements 78 9.4.1 General requirements . 78 Services provided to layer 3 78 9.4.2.3 Segmentation . 78 Unacknowledged information transfer service 79 Acknowledged information transfer service . 79 9.4.3 Services required from the physical layer . 80 9.4.4 Administrative services 81 Overview of layer
31、 2 structure . 82 9.5.1 Functional composition 82 9.4.2 9.4.2.1 General 78 9.4.2.2 Priority . 78 9.4.2.4 9.4.2.5 9.4.4.1 General description of administrative services . 81 9.4.4.2 Definition of primitives for administrative services 81 9.5.2 Layer 2 procedure 82 Layer 2 specification 83 9.6.1 Gener
32、al . 83 /STD-ETSI ETS 300 32b-2-ENGL 1998 3LiOO55 032b3b 204 Page 7 ETS 300 326-2: August 1998 9.6.2 Frame structure for peer-to-peer communication 83 9.6.2.1 General . 83 9.6.2.2 Frame format . 83 9.6.2.4 Header field . 84 9.6.2.5 Information field ,. 84 9.6.2.6 Fill field 84 9.6.2.7 Frame Check Se
33、quence 84 9.6.2.8 Format convention 84 Num bering convention . 84 9.6.2.8.2 Mapping to layer 1 message data 85 Field mapping convention 85 9.6.2.3 Frame delimitation 83 9.6.2.8.1 9.6.2.8.3 9.6.2.9 Invalid frames . 85 Elements of procedure and formats of fields for data-link layer peer-to- peer commu
34、nication 85 9.6.3.1 General . 85 9.6.3.2 Header field format . 86 9.6.3.3 Header field variables . 86 9.6.3.3.1 Command/Response field bit (C/R) 86 9.6.3.3.2 Service Access Point Identifier 86 9.6.3.3.3 Length field 86 9.6.3.3.4 More data bit (M) . 86 9.6.3.3.5 Control field . 87 9.6.3.4 Control fie
35、ld formats 87 9.6.3.4.1 Information transfer (I) format . 87 9.6.3.4.2 Supervisory (S) format 87 9.6.3.4.3 Unnumbered (U) format 87 9.6.3.5 Control field parameters and associated state variables 87 9.6.3.5.1 Poll/Final bit . 87 9.6.3.5.2 Multiple frame operation, variables and sequence numbers . 88
36、 9.6.3.5.3 Unacknowledged operation - variables and parameters 88 Commands and responses 89 Information (I) commands . 89 (SABM) command 89 DISConnect (DISC) command . 90 command . 90 commandresponse 90 Reject (REJ) command/response 90 commandresponse 91 response . 91 Disconnected Mode (DM) response
37、 . 91 FRaMe Reject (FRMR) response 91 Elements for layer-to-layer communication . 92 9.6.4.1 General . 92 9.6.4.1.1 Generic names . 92 9.6.4.1.2 Primitive types . 95 9.6.4.1.3 Parameter definition . 95 9.6.4.2 Primitive procedures . 96 Definition of the peer-to-peer procedures of the data link layer
38、 96 9.6.5.1 General . 96 9.6.5.2 Procedure for the use of the P/F bit . 97 9.6.5.2.1 Unacknowledged information transfer . 97 9.6.3 9.6.3.6 Frame types . 89 9.6.3.6.1 9.6.3.6.2 9.6.3.6.3 Set Asynchronous Balanced Mode 9.6.3.6.4 9.6.3.6.5 Unnumbered information (Vi) 9.6.3.6.6 Receive Ready (RR) 9.6.3
39、.6.7 9.6.3.6.8 Receive Not Ready (RNR) 9.6.3.6.9 Unnumbered Acknowledgement (UA) 9.6.3.6.1 O 9.6.3.6.1 1 9.6.4 9.6.5 Page 8 ETS 300 326-2: August 1998 9.6.5.3 9.6.5.4 9.6.5.5 9.6.5.6 9.6.5.7 9.6.5.8 9.6.5.2.2 Acknowledged multiple frame information transfer . 97 Procedures for unacknowledged informa
40、tion transfer . 97 9.6.5.3.1 General . 97 9.6.5.3.2 Transmission of unacknowledged information . 97 9.6.5.3.3 Receipt of unacknowledged information . 97 Procedures for establishment and release of multiple frame operation 98 9.6.5.4.1 Establishment of multiple frame operation . 98 9.6.5.4.2 Informat
41、ion transfer 101 9.6.5.4.3 Suspension and resumption of multiple frame operation 102 9.6.5.4.4 Resumption of multiple frame operation . 103 9.6.5.4.5 Termination of multiple frame operation . 104 9.6.5.4.6 Idle state . 105 9.6.5.4.7 Collision of unnumbered commands and responses . 106 Procedures for
42、 information transfer in multiple frame operation 106 9.6.5.5.1 Transmitting I frames 106 9.6.5.5.2 Receiving I frames 107 9.6.5.5.3 Receiving acknowledgement 108 9.6.5.5.4 Receiving REJ frames . 108 9.6.5.5.5 Receiving RNR frames 109 9.6.5.5.6 Data link layer own receiver busy condition 111 9.6.5.5
43、.7 Waiting acknowledgement . 111 operation 112 Abnormal release and re-establishment of multiple frame 9.6.5.6.1 9.6.5.6.2 9.6.5.6.3 9.6.5.6.4 Exception condition reporting and recovery for multiple frame operation 113 9.6.5.7.1 N(S) sequence error . 113 9.6.5.7.2 N(R) sequence error . 113 Timer rec
44、overy . 114 9.6.5.7.3 9.6.5.7.4 Invalid frame condition 114 9.6.5.7.5 Frame rejection condition 114 9.6.5.7.6 Receipt of an FRMR response frame . 114 9.6.5.7.7 Radio link failure condition . 114 List of system parameters . 114 9.6.5.8.1 Timer T200 114 9.6.5.8.2 Maximum number of re-transmissions (N2
45、00) . 114 9.6.5.8.3 information field (N201) . 115 9.6.5.8.4 Number of octets in a frame (N202) . 11 5 9.6.5.8.5 Maximum number of octets in a message unit parameter (N203) 115 9.6.5.8.6 Maximum number of outstanding I frames (k) 115 Criteria for re-establishment 112 Criteria for abnormal release .
46、112 Procedures for re-establishment 112 Procedures for abnormal release . 112 Maximum number of octets in an 10 AS . GSS layer 3 specification . 115 ISTLETSI ETS mo EPL-Z-ENGL 3400855 03b370 9b2 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.9 10.10 l.ll Page 9 ETS 300 326-2: August 1998 Introduction 11
47、5 10.1.1 General . 115 10.1.2 Objectives . 115 10.1.3 General characteristics . 115 10.1.3.1 Technique of description 115 10.1 -3.2 Primitives . 116 10.1.3.3 Peer-to-peer communication 116 Structure of signalling functions 116 Basic groups of functions 116 Services provided by signalling layer 3 on
48、the AS side 118 CC services . 118 10.3.1.1 General . 118 10.3.1.2 Service state diagram . 118 10.3.1.3 Service primitives 119 Services provided by signalling layer 3 on the GSS side . 120 10.4.1 CC services . 120 10.4.1.1 General . 120 Service state diagram 120 10.4.1.2 10.4.1.3 Service primitives 1
49、21 Services assumed from signalling layer 2 122 10.5.1 General . 122 10.5.2 Service primitives . 122 Unacknowledged information transfer . 122 Acknowledged information transfer 122 Services provided by the RRM entity . 123 Service state diagram . 124 10.6.1.3 Service primitives 124 Inter-layer service interfaces on the GS side . 126 Service state diagram . 127 10.7.1.3 Service primitives 127 10.2.1 10.2.2 Protocol.architecture 116 10.3.1 10.5.2.1 10.5.2.2 Inter-layer service interfaces on the AS side 123 10.6.1 10.6.1.1 General . 123 10.6.1.2 10.7.1 Services provided by the
