BS EN 60835-2-8:1996
Current
The latest, up-to-date edition.
Methods of measurement for equipment used in digital microwave radio transmission systems. Measurements on terrestrial radio-relay systems Adaptive equalizer
Hardcopy , PDF
English
02-15-1996
1 Scope
2 General
2.1 Frequency domain equalizer
2.2 Time domain equalizer
2.3 Evaluation of system parameters influenced by
the equalizers
3 Outage signature
3.1 Definition and general considerations
3.2 Measurement method
3.3 Presentation of results
3.4 Details to be specified
4 Return signature
4.1 Definition and general considerations
4.2 Measurement method
4.3 Presentation of results
4.4 Details to be specified
5 Measurement of dynamic fading effects
6 Recovery time
6.1 Definition and general considerations
6.2 Measurement method
6.3 Presentation of results
6.4 Details to be specified
7 Additional measurements
7.1 Outage signature with flat fading
7.2 Outage signature with interfering adjacent
channels
Figures
1 Linear distortion and crosstalk in a QAM system
caused by multipath fading
2 Block diagram of a linear baseband equalizer
3 Basic arrangement for the measurement of
signatures
4 Example of an outage signature
5 Example of an outage signature with possible
unusual signature values
6 Presentation of the signature, minimum phase and
non-minimum phase, on the same ordinate scale
7 Example of the return signature
8 Arrangement for the measurement of recovery time
9 a) Bit sequence illustrating the definition of
recovery time
b) Designation of normal and alarm conditions
Annex A - Bibliography
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