METHODS OF MEASUREMENT FOR EQUIPMENT USED IN DIGITAL MICROWAVE RADIO TRANSMISSION SYSTEMS - MEASUREMENTS ON TERRESTRIAL RADIO-RELAY SYSTEMS - SERVICE CHANNELS
International Electrotechnical Committee
Foreword
Clause
1 General
1.1 Scope
1.2 Normative references
2 Analogue interface of service channels transmitted
by analogue techniques
2.1 Return loss
2.2 Input deviation sensitivity
2.3 Output deviation sensitivity
2.4 Transmit-receive section parameters
3 Analogue interface of service channels transmitted
by digital techniques
3.1 Return loss
3.2 Amplitude-frequency characteristic
3.3 PCM coder overload point
3.4 Idle channel noise
3.5 Total distortion including quantizing distortion
4 Digital interface of service channels transmitted by
digital techniques
4.1 Return loss, terminal balance ratio
4.2 Acceptability of the signal at the input of the
transmit code converter
4.3 Level and shape of the signal at the output of
the receive code converter
4.4 Effect of jitter
Figures
Annex A Bibliography
Deals with measurements pertaining to the service channels used in digital microwave radio-relay systems. Two basic methods are commonly used for the transmission of service channel signals (that is voice, supervisory and control signals).
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | SC 12E |
