1、E7SI ELECOMMUNICATION STANDARD 3404583 O044732 823 FINAL DRAFT prl-ETS 300 168 September 1992 Source: ETSI TC-RES UDC: Key words: DSSR Reference: DI/RES-7001 Radio Equipment and Systems (RES); Digital Short Range Radio (DSRR) ETSI European Telecommunications Standards Institute ETSI Secretariat Post
2、ai address: 06921 Sophia Antipolis Cedex - FRANCE Office address: Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE Tel.: + 33 92 94 42 O0 - Fax: + 33 93 65 47 16 - Tix: 470 040 F European Telecommunications Standards Institute 1 992. All rights reserved. 92/95308 No part may be reproduced o
3、r used except as authorised by contract or other written permission. The copyright and the foregoing restriction on reproduction and use extend to all media in which the information may be embodied. m 3404583 0045337 679 m Page 2 Final draft prl-ETS 300 168: 1992 92195308 Whilst every care has been
4、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 Management Dept.“ at the address shown on the title page. . m 3404583 0045338 505 m Page 3 Final draft pr
5、l-ETS 300 168:1992 Con tents Foreword . 11 1 Scope . 13 2 Normative references 14 3 Definitions and abbreviations 14 3.1 Definitions . 14 3.2 Abbreviations 16 4 System characteristics . 17 4.1 General . 17 4.2 Equipment characteristics., 17 4.2.1 Units . 17 4.2.2 Repeaters . 18 4.2.3 Master units .
6、18 4.3 Communication possibilities . 18 System configuration and system restrictions . 18 5 Signalling protocol 19 5.1 Standby mode . 19 5.1.1.2 Call activation 19 4.4 5.1.1 Unit standby mode 19 5.1.1.1 Reception of a wanted SSC . 19 Repeater standby mode (two frequency operation only) 19 5.1.2.1 Re
7、ception of a wanted SSC . 20 Master unit standby mode 20 5.1.3.1 Reception of a wanted SSC . 20 5.1.2 5.1.3 5.1.3.2 Call activation 20 Single frequency call set-up mode 20 Traffic channel scanning cycle . 21 Control channel procedures - individual call . 21 5.2 5.2.1 5.2.2 5.2.2.1 Procedures for the
8、 calling unit 21 5.2.2.1.1 First call Set-up attempt 21 5.2.2.1.2 Re-try procedures . 22 5.2.2.2 Procedures for the called unit . 23 Traffic channel procedures - individual call 23 5.2.3.1 Procedures for the calling unit 23 5.2.3.2 Procedures for the called unit . 23 Control channel procedures . gro
9、up call 24 5.2.4.1 Procedures for the calling unit 24 5.2.4.2 Procedures for a member of the called group 25 Traffic channel procedures . group call . 25 5.2.5.1 Procedures for the calling unit 25 5.2.5.2 Procedures for a member of the called group 25 Two frequency call Set-up mode . 25 5.3.1 Contro
10、l channel procedures - individual call . 26 5.3.1.1 Procedures for the calling unit 26 5.3.1.1.1 First call set-up attempt 26 5.3.1.2 Procedures for the called unit . 28 5.3.1.3 5.3.1.3.1 First repeater call Set-up attempt 29 5.2.3 5.2.4 5.2.5 5.3 5.3.1.1.2 Re-try procedures . 27 Procedures for the
11、repeater 29 92195308 m 3404583 0045339 441 m Page 4 Final draft prl-ETS 300 168: 1992 5.3.1 3.2 Repeater re-try procedures . 30 5.3.1 3.3 Traffic channel allocation procedures . 30 Traffic channel procedures . individual call . 31 5.3.2.1 Procedures for the calling unit 31 5.3.2.2 . Proc. edures for
12、 the called unit . 32 5.3.2.3 Procedures for the repeater 32 Master unit procedures - individual call . 32 5.3.3.1 5.3.3.1.1 Control channel procedures - individual call 33 5.3.3.1.2 Traflic channel procedures - individual call . 34 5.3.3.2 Procedures for a called master unit 34 5.3.3.2.1 Control ch
13、annel procedures - individual call 34 5.3.3.2.2 Traffic channel procedures - individual call . 35 5.3.4.1 Procedures for the calling unit 36 5.3.4.2 Procedures for a member of the called group 36 5.3.4.3 Procedures for the repeater 36 5.3.4.3.1 Traffic channel allocation procedures . 37 Traffic chan
14、nel procedures - group call 38 5.3.5.1 Procedures for the calling unit 38 5.3.5.2 Procedures for a member of the called group 38 5.3.5.3 Procedures for the repeater 38 Master unit procedures - group call 38 5.3.6.1 Procedures for a calling master unit . 38 5.3.6.1.1 Control channel procedures 38 5.3
15、.6.1.2 Traffic channel procedures . 40 5.4 Communication mode 40 Units communication mode 40 5.4.1.1 Voice/data sensing time-out . 41 5.4.1.2 Chaiinel (reloccupation detection and contention control 41 5.4.1.3 Cornimunication time-out 41 5.4.1.4 Call termination (optional) 41 Repeaters commuriicatio
16、n mode (two frequency operation only) 41 5.4.2.1 Voiceldata sensing time-out . 42 5.4.2.2 Channel (reloccupation detection and contention control 42 5.4.2.3 Call termination (optional) 42 only) 42 5.4.3.1 Voice/data sensing time-out . 42 5.4.3.2 Chaiinel (reloccupation detection and contention contr
17、ol 42 5.4.3.3 Communication timeout . 43 5.4.3.4 Call termination (optional) 43 5.3.2 5.3.3 Procedures for a calling master unit . 33 5.3.4 Control channel procedures - group call 35 5.3.5 5.3.6 5.4.1 5.4.2 5.4.3 Master units conimunication mode (two frequency operation 6 Frame layout 43 The Selecti
18、ve Signalling Code (SSC) 43 6.1.1 Preamble (256 bits1 44 6.1.2 Frame synchronisation word (1 6 bits) . 44 6.1.3 Code word layout (88 bits) . 44 6.1.3.1 SSC number 44 6.1 3.2 Traffic channel code 44 6.1 3.3 First call code . 44 6.1 3.4 Command word layout 44 6.1 3.5 Reserved bits . 45 6.1 3.6 6.1 3.7
19、 Manufacturers code . 45 6.1 3.8 Second call code 45 6.1 Code word counter . 45 Cyclic Redundancy Check. CRC . 92YY S*3b 8 6.1 3.9 D 3404583 0045340 163 D Page 5 Final draft prl-ETS 300 168:1992 . 6.2 Acknowledgement. ACK . 46 6.3 Repeaterhaster unit identification SSC . 46 6.3.1 Code values 47 6.4
20、Source coding for voice transmissions . 47 6.4.1 Parity and tailing bits . 47 6.4.2 Convolutional coding . 48 6.4.3 Synchronisation bits 49 6.4.4 Interleaving 49 Source coding for data transmissions 49 6.5 7 Radio characteristics . 49 7.1 7.2 Control channels 50 Carrier frequencies and channel numbe
21、rs . 49 7.3 Channel separation . 50 7.4 Modulation 50 7.5 Synthesisers and PLL systems . 50 7.6 Time limitation on channel occupancy . 50 7.7 Threshold level for RF sensing 50 8 Mechanical and electrical design . 51 8.1 Controls 51 8.2 Indication of the communication frequency and control signal inf
22、ormation 51 8.3 Call code selection . 51 8.4 Programming of the unique identity code . 51 8.5 Marking 51 9 RF technical characteristics and methods of measurement 52 Annex A (normative): Traffic channel scanning procedure . 54 Annex B (normative): Signalling protocol timers . 56 B.l Standby mode tim
23、ers 56 B.2 Call set-up mode timers . 56 6.3 Communication mode timers 57 Annex C (normative): Access control for repeaters . 58 C.l General . 58 C.2 Call validation . 58 Annex D (normative): Definition of a wanted SSC for the 3 protocol modes . 59 D.l Standby mode 59 D.2 Call set-up mode . 60 D.3 Co
24、mmunication mode 61 Annex E (normative): RF technical characteristics and methods of measurement 62 E . 1 Technical characteristics 62 E . 1.1 Transmitter parameter limits 62 E.l.l.l Frequency error . 62 E.1.1.2 Carrier power . 62 E.l.l . 3 Adjacent channel power . 62 E.1.1.4 Spurious emissions 62 P
25、age 6 Final draft prl-ETS 300 168:1992 E.1.1.5 Intermodulation attenuation . 63 Transmitter attack time . 63 Transmitter release time . 63 Receiver parameter limits . 63 Maximum usable sensitivity . 63 Co-channel rejection . 63 Adjacent channel selectivity 63 E.1.2.5 Intermodulation response 64 Bloc
26、king or desensitisation 64 E.1.2.7 Spurious radiations 64 simultaneous transmission and reception) 64 Receiver spurious response rejection 64 E . 1 . 1 . 6 E . 1.1.7 E.l . 2.1 E . 1.2.2 E.1.2.3 E.1.2.4 E.1.2.6 Duplex operation - receiver limits for repeaters and master units 64 E . 1 3.1 Receiver de
27、sensitisation and maximum usable sensitivity (with E . 1.3.2 E . 1.2 Spurious response rejection . 64 E.1.3 Test conditions. power source and ambient temperature . 65 Test power source 65 Normal test power source . 65 E.2.1 E.2.2 E.2.3 Normal and extreme test conditions 65 Normal test conditions 65
28、E.2.3.1 Normal temperature and humidity . 65 E.2.3.2 E.2.3.2.1 Mains voltage 65 E.2.3.2.2 Reciulated lead-acid battery power source used on vehicles . 65 E.2.3.2.3 Other power sources . 66 Extreme test conditions . 66 E.2.4.2 Extreme test source voltages . 66 E.2.4.2.1 Mains voltage 66 E.2.4.2.2 Reg
29、ulated lead-acid battery power source on E.2.4.2.3 E.2.4.2.4 E.2.4 E.2.4.1 Extreme temperatures 66 vehicles . 66 Power source using other types of batteries . 66 Other power sources 66 Procedure for tests at extreme temperatures 66 E.2.5 E.3 General conditions . 67 E.3.1 E.3.2 Arrangements for test
30、signals (applied to the receiver input . 67 E.3.3 Receiver mute or squelch facility . 67 E.3.4 Normal test signal and normal test modulation 68 E.3.5 Impedance . 68 E.3.6 Artificial antenna 68 E.3.7 E.3.8 Facilities for access . 68 E.3.8.2 Raw data input/output 68 E.3.8.3 Raw bit stream access 68 Te
31、st site and general arrangements for measurements involving the use of radiated fields 69 Modes of operation of the transmitter 69 Principles of test procedure 67 Tests of equipment with a duplex filter 68 E.3.8.1 RF access . 68 E.3.8.4 Coupling arrangements . 68 E.3.9 E.3.1 O E.4 Methods of measure
32、ment for transmitter parameters 69 E.4.1.1 Definition 69 E.4.1.2 Method of measurement . 69 E.4.2 Carrier power . 69 E.4.2.1 Definition 69 Method of measurement . 69 E.4.1 Frequency error 69 E.4.2.2 92/95308 3404583 O045342 T3b W Page 7 Final draft prl-ETS 300 168:1992 Adjacent channel power 69 E.4.
33、3.2 E.4.3.1 Definition . 69 Method of measurement . 70 Spurious emissions . 70 E.4.4.1 Definition . 70 E.4.4.2 Method of measuring the power level . 71 E.4.4.3 Method of measuring the effective radiated power . 71 Intermodulation attenuation . 71 E.4.5.1 Definition . 71 Transmitter attack time . 72
34、E.4.6.1 Definition . 72 E.4.6.2 Method of measurement . 73 Transmitter release time 73 E.4.7.1 Definition . 73 E.4.5.2 Method of measurement . 72 E.4.7.2 Method of measurement . 73 . E.5 E.6 E.7 E.4.3 E.4.4 E.4.5 E.4.6 E.4.7 Methods of measurement for receiver parameters 74 E.5.1 E.5.2 E.5.3 E.5.4 E
35、.5.5 E.5.6 E.5.7 E.5.8 Maximum usable sensitivity . 74 E.5.1.1 Definition . 74 Method of measurement . 74 E.5.1.2 Level of the wanted signal for the degradation measurements 74 E.5.2.1 Definition . 74 E.5.2.2 Defined level . 74 E.5.3.1 Definition . 74 E.5.3.2 Method of measurement . 74 E.5.4.1 Defin
36、ition . 75 E.5.4.2 Method of measurement . 75 E.5.5.1 Definition . 76 E.5.5.2 Introduction to the method of measurement 76 E.5.5.2.1 Method of search over the “limited frequency E.5.5.2.2 Co-channel rejection . 74 Adjacent channel selectivity . 75 Spurious response rejection . 76 range“ 76 Method of
37、 measurement . 77 Intermodulation response 77 E.5.6.1 Definition . 77 E.5.6.2 Method of measurement . 77 Blocking or desensitisation 78 E.5.7.1 Definition . 78 E.5.7.2 Method of measurement . 78 Spurious radiations . 79 E.5.8.1 Definition . 79 E.5.8.2 Method of measuring the power level . 79 E.5.8.3
38、 Method of measuring the effective radiated power . 79 Duplex operation 79 E.6.1 Receiver desensitisation with simultaneous transmission and reception . 79 E.6.1 . 1 Definition . 79 E.6.1.2 E.6.1.3 Measuring method when the equipment has to operate with two Method of measurement when the equipment h
39、as a duplex filter 80 antennas 80 Receiver spurious response rejection . 80 E.6.2 Measurement uncertainty . 81 Appendix E.A: Radiated measurements 1 ) . 82 ) The specifications regarding channel separations of 12. 5 and 20 kHr do not apply in this I.ETS . 92195305 Page 8 Final draft prl-ETS 300 168:
40、 1992 E.A.1 Test site and general arrangements for measurements involving the use of radiated fields . 82 E.A.l.l Testsite 82 E.A.1.2 Test antenna 82 E.A.l . 3 Substitution antenna . 83 E.A.l . 4 Optional additional indoor site 83 E.A.2 Guidance on the use of radiation test sites 84 E.A.2.1 Measurin
41、g distance . 84 E.A.2.3 Substitution antenna . 85 E.A.2.4 Artificial antenna 85 E.A.2.5 Auxiliary cables 85 E.A.2.6 Acoustic measuring arrangement 85 E.A.2.2 Test antenna 84 E.A.3 Further optional alternative indoor site using an anechoic chamber . 85 Example of the construction of i3 shielded anech
42、oic chamber 86 E.A.3.1 E.A.3.2 Influence of parasitic reflections in anechoic chambers . 86 E.A.3.3 Calibration of the shielded anechoic chamber 87 Appendix E.B: Specification for some particular measurement arrangements 1) . 89 E.B.l Power measuring receiver specification 89 E.B.l.l IF filter 89 E.
43、B. 1.2 Attenuation indicator . 90 E.B.1.3 Rms value indicator . 90 E.B.1.4 Oscillator and amplifier 90 E.B.2 Spectrum analyser specification 90 E.B.3 Integrating and power summing device . 91 Annex F (informative): State transition diagrams for single frequency operation 92 F.l Main operation for a
44、unit (including two frequency operation) 92 F.l.l F.1.2 F.1.3 F.1.4 F.1.5 F.1.6 State transition diagram . 92 State transition table . 92 Standby mode for a unit (single Mode 8: two frequency semi-duplex in the frequency band 933 - 935 MHz, paired with 888 - 890 MHz. This I-ETS covers the minimum ch
45、aracteristics considered necessary for the DSRR system using digital transmission techniques and an automated multi-channel access technique in order to make the best use of the available frequencies. It does not necessarily include all the characteristics which may be required by a user, nor does i
46、t necessarily represent the optimum performance achievable. This LETS contains the system specification and technical characteristics to be used for DSRR equipment intended to provide short range radio voice and/or data radiocommunication. This I-ETS specifies three principle system elements as foll
47、ows: Unit: an equipment operating in the simplex mode with single and two frequency working; Master unit: an equipment operating in the two frequency semi-duplex mode without repeater facilities; Repeater: an equipment operating in the two frequency semi-duplex mode with repeater facilities. Communi
48、cation on an individual or a group call basis is provided for in the I-ETS. Previous page is blank 9295368 m 3404583 0045348 454 m Page 14 Final draft prl-ETS 300 168:1992 Using the three principle system elements, the following types of equipments can be constructed: - a vehicle installed mobile eq
49、uipment 01 a hand portable equipment operating in the single frequency mode; - a vehicle installed mobile equipment cir a hand portable equipment operating in the two frequency mode; - a base station operating in the single frequency mode; - a base station operating in the two frequency mode; - a repeater station operating in the two frequency mode. 2 Normative references This LETS incorporates by dated or undated references, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications a
