ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Terrestrial Flight Telecommunications System (TFTS); Part 2: Speech services, radio interface

General review to take account of the experience gained in the implementation of the system.

Elektromagnetna združljivost (EMC) in zadeve v zvezi z radijskim spektrom (ERM) - Prizemni letalski telefonski sistem (TFTS) - 2. del: Govorne storitve, radijski vmesnik

General Information

Status
Published
Publication Date
30-Jun-1999
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Jul-1999
Due Date
01-Jul-1999
Completion Date
01-Jul-1999

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SLOVENSKI STANDARD
SIST ETS 300 326-2:1999
01-julij-1999
Elektromagnetna združljivost (EMC) in zadeve v zvezi z radijskim spektrom (ERM) -
Prizemni letalski telefonski sistem (TFTS) - 2. del: Govorne storitve, radijski
vmesnik
ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Terrestrial Flight
Telecommunications System (TFTS); Part 2: Speech services, radio interface
Ta slovenski standard je istoveten z: ETS 300 326-2 Edition 2
ICS:
33.060.01 Radijske komunikacije na Radiocommunications in
splošno general
33.100.01 Elektromagnetna združljivost Electromagnetic compatibility
na splošno in general
49.090 2SUHPDLQLQVWUXPHQWLY On-board equipment and
]UDþQLKLQYHVROMVNLKSORYLOLK instruments
SIST ETS 300 326-2:1999 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 326-2:1999

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SIST ETS 300 326-2:1999
EUROPEAN ETS 300 326-2
TELECOMMUNICATION August 1998
STANDARD Second Edition
Source: ERM Reference: RE/ERM-RP05-005-2
ICS: 33.020
Key words: interface, radio, speech, TFTS
Electromagnetic compatibility
and Radio spectrum Matters (ERM);
Terrestrial Flight Telecommunications System (TFTS);
Part 2: Speech services, radio interface
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Internet: secretariat@etsi.fr -
http://www.etsi.fr - http://www.etsi.org
Tel.: +33 4 92 94 42 00 - 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.
© European Telecommunications Standards Institute 1998. All rights reserved.

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ETS 300 326-2: August 1998
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Standards Making Support Dept." at the address shown on the title page.

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ETS 300 326-2: August 1998
Contents
Foreword . 13
Introduction . 13
1 Scope . 15
2 Normative references . 15
3 Abbreviations. 17
4 Introduction to Terrestrial Flight Telecommunications System (TFTS). 19
4.1 General. 19
4.2 Interface specification objectives. 20
4.3 Interface characteristics . 20
5 Protocol modelling principles . 20
5.1 AS-GSS layering. 20
6 TFTS user-to-network reference configuration. 22
6.1 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
7 Channel structures and access capabilities. 25
7.1 General. 25
7.2 Channel types and their use: Traffic Channels (TCH). 25
7.3 Channel types and their use: Control channels. 26
7.3.1 Logical control channel types. 26
7.3.1.1 Broadcast Control CHannel (BCCH). 26
7.3.1.2 Random Access CHannel (RACH). 26
7.3.1.3 Initial Response Control CHannel (IRCCH). 26
7.3.1.4 Radio Control CHannel (RCCH) . 26
7.3.1.5 Dedicated Control CHannel (DCCH). 26
7.4 GS Access capability . 26
7.5 AS access capability . 28
8 TFTS Radio Interface 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
8.2 Services 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
8.3 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 layer 1 and the radio resource
management entity of layer 3 . 31

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8.3.3 Primitive types. 32
8.3.4 Parameter definition. 32
8.4 Layer 1 procedures. 33
8.4.1 States of layer 1. 33
8.4.2 Remap procedure. 33
8.4.2.1 Channel remap protocol . 34
8.4.3 Layer 1 interface procedures. 34
8.5 Layer 1 peer to peer exchanges. 35
8.5.1 BCCH Synchronization (S) transmission. 35
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 TDMA characteristics (Time Division Multiple Access). 36
8.6.1 General . 36
8.6.2 Slot structure . 37
8.6.2.1 General slot types . 37
8.6.2.1.1 Field data . 38
8.6.2.2 Synchronization slot types . 38
8.6.2.2.1 Field data . 38
8.6.3 Functions of logical channels and mapping to physical 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
8.6.5.6 Coding of S2 slot . 46
8.7 Modulation characteristics. 46
8.7.1 General . 46
8.7.1.1 Type of modulation . 46
8.7.1.2 Channel transmission rate. 47
8.7.1.3 Data clock stability. 47
8.7.2 Modulator . 47
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
8.7.2.3.2 Real case . 50
8.7.2.4 Scrambler . 51
8.8 Radio transmission and reception characteristics. 51
8.8.1 General characteristics. 51
8.8.1.1 Channelling. 51
8.8.1.1.1 Frequency range . 51
8.8.1.1.2 Radio frequency channel arrangement. 52
8.8.1.2 Channel selection time. 52
8.8.1.3 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
8.8.2.3 Power ramping procedure in the AS. 54
8.8.2.4 RF spectrum mask. 54
8.8.2.5 Out of band emissions. 55
8.8.2.6 Spurious emissions . 55
8.8.2.7 Modulation accuracy . 55

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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. 56
8.8.3.2.3 With adjacent interferer: TDM at the
AS receiver and TDMA (uniform
timeslot level) at the GS receiver. 56
8.8.3.2.4 With co-channel TDMA interferer:
variable timeslot level for GS receiver . 57
8.8.4 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
8.8.5 Propagation models. 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
8.9 GS antenna characteristics. 60
8.9.1 General. 60
8.9.2 Common characteristics 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
8.9.3.2 Antenna height. 62
8.10 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 Decision strategy for GS to GS handover. 63
8.10.2.2.1 Primary handover decision . 63
8.10.3 R.F. power control . 63
8.10.3.1 Purpose. 63
8.10.3.2 Timing. 63
8.10.3.3 Initial exchanges. 63
8.10.4 RF power control at call initiation. 64
8.10.5 Handover 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
8.10.6.4 Synchronization . 66
8.10.6.5 Negotiation. 66
8.10.7 Network pre-requisites. 66
8.10.7.1 BCCH. 66
8.10.7.1.1 BCCH(S) . 66
8.10.7.1.2 BCCH(D). 66
8.10.7.2 GS Handover . 67
8.10.8 Radio Link Measurements (RLM) . 67
8.10.8.1 Signal strength . 67

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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
8.10.8.3 Absolute distance (AS only). 67
8.10.8.3.1 Range of parameter . 68
8.10.8.4 Radio Link Failure (RLF). 68
8.10.9 Timing control. 68
8.10.10 Control parameters. 68
8.10.10.1 Definition of network parameters. 68
8.10.10.2 Definition of Radio Resource (RR) parameters. 69
8.10.10.3 Definition of other parameters. 70
8.10.10.4 Calculation of range limit. 70
8.11 Radio sub-system synchronization . 71
8.11.1 Introduction. 71
8.11.2 GS synchronization. 71
8.11.3 Cold Start Synchronization (CSS) . 71
8.11.3.1 AS cold start requirements . 71
8.11.3.1.1 GS acquisition. 71
8.11.3.1.2 Transmitted S2 slot . 72
8.11.3.1.3 Received G3 slot. 72
8.11.3.1.4 Timing adjustment. 72
8.11.3.2 GS cold start requirements. 72
8.11.3.2.1 S2 reception . 72
8.11.4 Tracking procedure. 72
8.11.4.1 AS requirements. 72
8.11.4.2 GS requirements . 72
8.11.5 Warm Start Synchronization (WSS) . 72
8.11.5.1 GS . 72
8.11.5.2 AS. 72
9 TFTS radio interface layer 2. 73
9.1 General. 73
9.2 Layer 2 services. 73
9.3 Overview description of LAPDa functions and procedures . 75
9.3.1 General . 75
9.3.2 Unacknowledged operation . 76
9.3.3 Acknowledged operation. 77
9.3.4 Information transfer mode. 77
9.3.4.1 Information transfer on the BCCH. 77
9.3.4.2 Information transfer on the DCCHs. 77
9.3.5 Release of layer 2. 77
9.3.6 Identification of layer 2 end points. 77
9.4 Service characteristics and requirements . 78
9.4.1 General requirements . 78
9.4.2 Services provided to layer 3. 78
9.4.2.1 General. 78
9.4.2.2 Priority. 78
9.4.2.3 Segmentation . 78
9.4.2.4 Unacknowledged information transfer service. 79
9.4.2.5 Acknowledged information transfer service . 79
9.4.3 Services required from the physical layer . 80
9.4.4 Administrative services. 81
9.4.4.1 General description of administrative services. 81
9.4.4.2 Definition of primitives for administrative services . 81
9.5 Overview of layer 2 structure . 82
9.5.1 Functional composition. 82
9.5.2 Layer 2 procedure. 82
9.6 Layer 2 specification. 83
9.6.1 General . 83

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9.6.2 Frame structure for peer-to-peer communication . 83
9.6.2.1 General . 83
9.6.2.2 Frame format . 83
9.6.2.3 Frame delimitation . 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 Sequence. 84
9.6.2.8 Format convention . 84
9.6.2.8.1 Numbering convention. 84
9.6.2.8.2 Mapping to layer 1 message data. 85
9.6.2.8.3 Field mapping convention. 85
9.6.2.9 Invalid frames. 85
9.6.3 Elements of procedure and formats of fields for data-link layer peer-to-
peer communication. 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 field 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
9.6.3.5.3 Unacknowledged operation - variables
and parameters. 88
9.6.3.6 Frame types. 89
9.6.3.6.1 Commands and responses. 89
9.6.3.6.2 Information (I) commands . 89
9.6.3.6.3 Set Asynchronous Balanced Mode
(SABM) command. 89
9.6.3.6.4 DISConnect (DISC) command. 90
9.6.3.6.5 Unnumbered information (UI)
command. 90
9.6.3.6.6 Receive Ready (RR)
command/response. 90
9.6.3.6.7 Reject (REJ) command/response . 90
9.6.3.6.8 Receive Not Ready (RNR)
command/response. 91
9.6.3.6.9 Unnumbered Acknowledgement (UA)
response . 91
9.6.3.6.10 Disconnected Mode (DM) response. 91
9.6.3.6.11 FRaMe Reject (FRMR) response . 91
9.6.4 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
9.6.5 Definition of the peer-to-peer procedures of the data link layer . 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

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9.6.5.2.2 Acknowledged multiple frame
information transfer. 97
9.6.5.3 Procedures for unacknowledged information 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
9.6.5.4 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 Information 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
9.6.5.5 Procedures for 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.
...

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