BS EN 60835-2-7:1995
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 Diversity switching and combining equipment
Hardcopy , PDF
English
15-10-1995
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Foreword
Introduction
1. Scope
2. Normative references
3. Switching diversity
3.1 General considerations
3.2 Isolation between the ports of a diversity switch
3.3 Delay difference between diversity channels
3.4 Switching due to the BER alarm
3.5 Synchronization time
4. Combining diversity
4.1 General considerations
4.2 BER/receiver input level characteristic
4.3 In-band amplitude dispersion characteristic
4.4 BER/phase difference characteristic
4.5 Fading signatures
Annex ZA (normative) Other international publications quoted in
this standard with the references of the relevant
European publications
Figures
1. Base-band switching equipment used in diversity systems
2. Arrangement for measuring the tolerable delay difference
by a variable r.f. delay line
3. Arrangement for measuring the tolerable delay difference
by a variable base-band delay line
4. Arrangement for measuring base-band switching equipment
functions due to BER
5. Arrangement for measuring the synchronization time
6. Simplified block diagrams of diversity combining equipment
7. Arrangements for measuring the BER/receiver input level
characteristic
8. Example of a BER/receiver input level characteristic
9. Arrangement for measuring in-band amplitude dispersion
characteristic
10. In-band amplitude dispersion characteristic
11. Arrangement for measuring the BER/combiner entry points
phase difference characteristic
12. Arrangements for measuring the signature of a combining
system
13. Example of signature curves as a function of level
difference delta P (positive delay)
Deals with measurements for diversity equipment used in digital microwave systems.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes 91/29836 DC. Also numbered as IEC 60835-2-7 and BS 7573-2.7(1995). (09/2005)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| SN EN 60835-2-7 : 1994 | Identical |
| DIN EN 60835-2-7:1994-10 | Identical |
| EN 60835-2-7:1994 | Identical |
| I.S. EN 60835-2-7:1995 | Identical |
| IEC 60835-2-8:1993 | Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurements on terrestrial radio-relay systems - Section 8: Adaptive equalizer |
| BS EN 60835-1-4:1997 | Methods of measurement for equipment used in digital microwave radio transmission systems. Measurements common to terrestrial radio-relay systems and satellite earth stations Transmission performance |
| IEC 60835-2-5:1993 | Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurements on terrestrial radio-relay systems - Section 5: Digital signal processing sub-system |
| EN 60835-2-8:1993/A1:1996 | METHODS OF MEASUREMENT FOR EQUIPMENT USED IN DIGITAL MICROWAVE RADIO TRANSMISSION SYSTEMS - PART 2: MEASUREMENTS OF TERRESTRIAL RADIO-RELAY SYSTEMS - SECTION 8: ADAPTIVE EQUALIZER |
| BS EN 60835-1-2:1995 | Methods of measurement for equipment used in digital microwave radio transmission systems. Measurements common to terrestrial radio-relay systems and satellite earth stations Basic characteristics |
| BS EN 60835-2-5:1995 | Methods of measurement for equipment used in digital microwave radio transmission systems. Measurements on terrestrial radio-relay systems Digital signal processing sub-system |
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