METHODS OF MEASUREMENT FOR EQUIPMENT USED IN DIGITAL MICROWAVE RADIO TRANSMISSION SYSTEMS - MEASUREMENTS ON SATELLITE EARTH STATIONS - TERMINAL EQUIPMENT SCP-PSK
International Electrotechnical Committee
Foreword
Introduction
1 Scope
2 Normative References
3 PCM channel codec
3.1 Idle channel noise level
3.2 Total distortion including quantizing distortion
3.3 Audio amplitude/frequency characteristics
3.4 PCM coder overload point
3.5 Audio inter-modulation products
3.6 Audio spurious output components
4 I.F. sub-system characteristics
4.1 Frequency accuracy and stability
4.2 Transmit i.f. spurious signals
4.3 I.F. inter-modulation products
4.4 A.F.C. pull-in range and a.g.c. characteristics
4.5 I.F. amplitude/frequency characteristics
4.6 I.F. return loss characteristics
5 Bit-error-ratio (ER)
5.1 Continuous mode BER
5.2 Voice burst mode BER
5.3 Overall system performance with interface
6 Cycling-skipping performance
6.1 Definition and general considerations
6.2 Method of measurement
6.3 Presentation of results
6.4 Details to be specified
Figures
Deals with methods of measurement on single-channel-per-carrier, phase-shift-keying, (SCPC-PSK) terminal equipment utilizing PCM encoding. The SCPC-PSK terminal may be used in a pre-assigned mode or integrated in a Demand Assignment Multiple Access (DAMA) network.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | SC 12E |
