SIST EN 302 077-1 V1.1.1:2006

SLOVENSKI STANDARD
SIST EN 302 077-1 V1.1.1:2006
01-marec-2006
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Electromagnetic compatibility and Radio spectrum Matters (ERM); Transmitting

equipment for the Terrestrial - Digital Audio Broadcasting (T-DAB) service; Part 1:

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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Intellectual Property Rights................................................................................................................................5

Foreword.............................................................................................................................................................5

Introduction ........................................................................................................................................................5

1 Scope........................................................................................................................................................6

2 References................................................................................................................................................6

3 Definitions, symbols and abbreviations ...................................................................................................7

3.1 Definitions..........................................................................................................................................................7

3.2 Symbols..............................................................................................................................................................8

3.3 Abbreviations.....................................................................................................................................................8

4 Technical requirements specifications.....................................................................................................9

4.1 Environmental profile.........................................................................................................................................9

4.2 Transmitter output characteristics ......................................................................................................................9

4.2.1 Rated output power.......................................................................................................................................9

4.2.1.1 Definition................................................................................................................................................9

4.2.1.2 Method of measurement..........................................................................................................................9

4.2.1.2.1 Initial conditions................................................................................................................................9

4.2.1.2.2 Procedure...........................................................................................................................................9

4.2.1.2.3 Test requirements............................................................................................................................10

4.2.1.3 Limit......................................................................................................................................................10

4.2.2 Frequency stability......................................................................................................................................10

4.2.2.1 Definition..............................................................................................................................................10

4.2.2.2 Method of measurement........................................................................................................................10

4.2.2.2.1 Initial conditions..............................................................................................................................10

4.2.2.2.2 Procedure.........................................................................................................................................10

4.2.2.2.3 Test requirements............................................................................................................................10

4.2.2.3 Limit......................................................................................................................................................11

4.2.3 Crest factor..................................................................................................................................................11

4.2.3.1 Definition..............................................................................................................................................11

4.2.3.2 Method of measurement........................................................................................................................11

4.2.3.2.1 Initial conditions..............................................................................................................................11

4.2.3.2.2 Procedure.........................................................................................................................................11

4.2.3.2.3 Test requirements............................................................................................................................11

4.2.3.3 Limit......................................................................................................................................................12

4.3 Digital signal processing..................................................................................................................................12

4.3.1 Signal delay of T-DAB transmitters ...........................................................................................................12

4.3.1.1 Definition..............................................................................................................................................12

4.3.1.2 Method of measurement........................................................................................................................12

4.3.1.2.1 Initial conditions..............................................................................................................................12

4.3.1.2.2 Procedure.........................................................................................................................................12

4.3.1.2.3 Test requirements............................................................................................................................12

4.3.1.3 Limit......................................................................................................................................................12

4.3.2 Behaviour in case of erroneous ETI signal .................................................................................................12

4.3.2.1 Definition..............................................................................................................................................12

4.3.2.2 Method of measurement........................................................................................................................13

4.3.2.2.1 Initial conditions..............................................................................................................................13

4.3.2.2.2 Procedure.........................................................................................................................................13

4.3.2.2.3 Test requirements............................................................................................................................13

4.3.2.3 Limit......................................................................................................................................................13

4.3.3 BER-Performance degradation...................................................................................................................13

4.3.3.1 Definition..............................................................................................................................................13

4.3.3.2 Method of measurement........................................................................................................................13

4.3.3.2.1 Initial conditions..............................................................................................................................13

4.3.3.2.2 Procedure.........................................................................................................................................14

4.3.3.2.3 Test requirements............................................................................................................................14

4.3.3.3 Limit......................................................................................................................................................14

4.4 Antenna port measurements.............................................................................................................................14

4.4.1 Spurious emissions.....................................................................................................................................14

4.4.1.1 Definition..............................................................................................................................................14

4.4.1.2 Method of measurement (essential test suite) .......................................................................................15

4.4.1.2.1 Initial conditions..............................................................................................................................15

4.4.1.2.2 Procedure.........................................................................................................................................15

4.4.1.2.3 Test requirements............................................................................................................................15

4.4.1.3 Limit......................................................................................................................................................15

4.4.2 Out-of-band emissions................................................................................................................................17

4.4.2.1 Definition..............................................................................................................................................17

4.4.2.2 Method of measurement (essential test suite) .......................................................................................17

4.4.2.2.1 Initial conditions..............................................................................................................................17

4.4.2.2.2 Procedure.........................................................................................................................................17

4.4.2.2.3 Test requirements............................................................................................................................17

4.4.2.3 Limit......................................................................................................................................................17

4.5 Enclosure port measurements (radiated emissions)..........................................................................................21

4.5.1 Cabinet radiation.........................................................................................................................................21

4.5.1.1 Definition..............................................................................................................................................21

4.5.1.2 Method of measurement (essential test suite) .......................................................................................21

4.5.1.2.1 Initial conditions..............................................................................................................................21

4.5.1.2.2 Procedure.........................................................................................................................................21

4.5.1.2.3 Test requirements............................................................................................................................21

4.5.1.3 Limit......................................................................................................................................................22

4.6 Measurement uncertainties...............................................................................................................................23

Annex A (normative): General measuring arrangements................................................................24

A.1 Testing arrangements for antenna port measurements ...........................................................................24

A.1.1 Spurious emissions...........................................................................................................................................24

A.1.2 Out-of-band emissions.....................................................................................................................................25

A.1.3 Test frequency range ........................................................................................................................................25

A.1.4 Test modulating signal .....................................................................................................................................26

A.2 Testing arrangements for enclosure port (radiated emissions) measurements .......................................26

Annex B (informative): Typical COFDM measuring arrangements.................................................27

B.1 ETI errors...............................................................................................................................................27

B.2 Bit Error performance measurement ......................................................................................................27

B.2.1 Test procedure..................................................................................................................................................27

Annex C (informative): Measurement of the overall delay of a T-DAB transmitter .......................29

Annex D (informative): Delay type and delay management...............................................................31

Annex E (informative): Spectrum measurements ...............................................................................32

Annex F (informative): Bibliography...................................................................................................33

History ..............................................................................................................................................................34

IPRs essential or potentially essential to the present document may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

This European Standard (Telecommunications series) has been produced by ETSI Technical Committee

The present document is part 1 of a multi-part deliverable covering the Electromagnetic compatibility and Radio

spectrum Matters (ERM); Transmitting equipment for the Terrestrial - Digital Audio Broadcasting (T-DAB) service, as

The present document covers a set of non mandatory technical parameters that are considered to be the minimum

The present document applies to the following radio telecommunications terminal equipment types:

- Digital Audio Broadcast - Terrestrial equipment used in the sound broadcasting service.

NOTE: At the time the present document was drafted, the following bands were allocated to T-DAB (Wiesbaden

The following documents contain provisions which, through reference in this text, constitute provisions of the present

• References are either specific (identified by date of publication and/or edition number or version number) or

Referenced documents which are not found to be publicly available in the expected location might be found at

[1] ETSI EN 302 077-2: "Electromagnetic compatibility and Radio spectrum Matters (ERM);

Transmitting equipment for the Terrestrial - Digital Audio Broadcasting (T-DAB) service;

[2] ETSI EN 301 489-11: "Electromagnetic compatibility and Radio spectrum Matters (ERM);

Part 11: Specific conditions for terrestrial sound broadcasting service transmitters".

[3] ETSI ETS 300 799: "Digital Audio Broadcasting (DAB); Distribution interfaces; Ensemble

[4] CENELEC EN 55022: "Information technology equipment - Radio disturbance characteristics -

[5] CENELEC EN 55011: "Industrial, scientific and medical (ISM) radio-frequency equipment -

[6] IEC 60489-1 amendment 2: "Methods of measurement for radio equipment used in the mobile

[7] ETSI TR 100 028 (all parts): "Electromagnetic compatibility and Radio spectrum Matters (ERM);

For the purposes of the present document, the following terms and definitions apply:

antenna port: port of an apparatus which is designed, in normal operation, to be connected to an antenna using coaxial

broadcasting service: radiocommunication service in which the transmissions are intended for direct reception by the

NOTE: This service may include sound transmissions, television transmissions or other types of transmission.

cabinet radiation: radiation from an enclosure containing, equipment, excluding radiation from connected antennas or

class of emission: set of characteristics of an emission, designated by standard symbols, e.g. type of modulation of the

main carrier, modulating signal, type of information to be transmitted, and also, if appropriate, any additional signal

NOTE: In the cases which do not have a carrier, for example in some digital modulation schemes where the

carrier is not accessible for measurement, the reference level equivalent to dBc is decibels relative to the

enclosure port: physical boundary of the apparatus through which electromagnetic fields may radiate or impinge

NOTE: In the case of integral antenna equipment, this port is inseparable from the antenna port.

environmental profile: range of environmental conditions under which equipment within the scope of EN 302 077-1 is

harmonic: component of order greater than 1 of the Fourier series of a periodic quantity

harmonic number: integral number given by the ratio of the frequency of a harmonic to the fundamental frequency

intermodulation products: unwanted frequencies resulting from intermodulation between carriers or harmonics of

L-band: for the purpose of these document L-band is defined as the frequency range from 1 452 MHz to 1 492 MHz

mean power: average power supplied to the antenna port by a transmitter during an interval of time sufficiently long

compared with the lowest frequency encountered in the modulation envelope taken under normal operating conditions

necessary bandwidth: for a given class of emission, the width of the frequency band which is sufficient to ensure the

transmission of information at the rate and with the quality required under specified conditions

out-of-band emissions: emission on a frequency or frequencies immediately outside the necessary bandwidth which

rated output power: power that the transmitter or transposer shall deliver at its output under specified conditions of

RMS power: the apparent power of an AC power that is calculated by multiplying root-mean-square (rms) current by

NOTE 1: In a purely resistive circuit this is held to be the equivalent heating effect of a DC power and can be

deemed to be true power. In a circuit that consists of reactance as well as resistance the apparent power is

greater than the true power (the vector difference between true power and apparent power is called

Where Δ cos Ø is the phase difference between voltage and current introduced by the reactance of the

NOTE 2: From the above definition it becomes clear that unless any measuring system can be completely devoid of

reactance then the measured power cannot be considered to be RMS power. It therefore becomes apparent

that this parameter would be difficult to measure with any degree of accuracy at RF frequencies.

spurious emissions: emissions on a frequency or frequencies which are outside the necessary bandwidth and the level

of which may be reduced without affecting the corresponding transmission of information. Spurious emissions include

harmonic emissions, parasitic emissions, intermodulation products and frequency conversion products but exclude out

The environmental profile for operation of the equipment shall be declared by the supplier. The equipment shall comply

with all the technical requirements of the present document at all times when operating within the boundary limits of the

The rated output power is the power that the transmitter shall deliver at its antenna port under the manufacturers

NOTE: It is, however, recommended that this parameter is not quoted as RMS power.