EN 301 669 : 1.2.1
Current
The latest, up-to-date edition.
FIXED RADIO SYSTEMS; POINT-TO-POINT EQUIPMENT; HIGH CAPACITY DIGITAL RADIO SYSTEMS CARRYING STM-4 IN TWO 40 MHZ CHANNELS OR 2 X STM-1 IN A 40 MHZ CHANNEL WITH ALTERNATE CHANNEL ARRANGEMENT
Hardcopy , PDF
English
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Foreword
1 Scope
2 References
3 Symbols and abbreviations
3.1 Symbols
3.2 Abbreviations
4 Network and system considerations
5 General characteristics
5.1 Baseband interface
5.2 Frequency bands and channel arrangements
5.3 Modes of operation
5.4 Environmental conditions
5.5 Power supply
5.6 Telecommunications Management Network (TMN)
interface
5.7 System block diagram
5.8 Antenna system
6 Transmitter characteristics
6.1 Output power
6.2 Automatic Transmit Power Control (ATPC)
6.3 RF spectrum mask
6.4 Discrete CW lines exceeding the spectrum mask
limit
6.5 Spurious emissions
6.6 Radio frequency tolerance
6.7 Return loss
7 Receiver characteristics
7.1 Receiver image rejection
7.2 Spurious emissions
7.3 Input level range
7.4 Return loss
8 System characteristics without diversity
8.1 Equipment background BER
8.2 BER as a function of receiver input level
8.3 Interference sensitivity
8.4 Distortion sensitivity
9 System characteristics with diversity
9.1 Space/angle diversity
9.2 Frequency diversity
Annex A (informative): Additional information
A.1 ATPC
A.2 Differential delay compensation range
Annex B (informative): Compatibility
B.1 Compatibility with analogue channels on the
same route
B.2 Compatibility with 16 QAM systems on the
same route
Annex C (informative): Bibliography
History
This standard specifies parameters for digital radio-relay systems with Transport Module-level 4, (1 x STM-4), interface, and in addition, optional 140 Mbit/s PDH interfaces.
| Committee |
TM 4
|
| DocumentType |
Standard
|
| Pages |
25
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN 301669:2001-12 | Identical |
| NBN EN 301 669 : 2001 | Identical |
| PN EN 301 669 : 2005 | Identical |
| NEN EN 301669 : 2001 | Identical |
| NF EN 301751 : 2003 | FIXED RADIO SYSTEMS - POINT-TO-POINT EQUIPMENTS AND ANTENNAS - GENERIC HARMONIZED STANDARD FOR POINT-TO-POINT DIGITAL FIXED RADIO SYSTEMS AND ANTENNAS COVERING THE ESSENTIAL REQUIREMENTS UNDER ARTICLE 3.2 OF THE 1999/5/EC DIRECTIVE |
| TR 101 854 : 1.3.1 | FIXED RADIO SYSTEMS; POINT-TO-POINT EQUIPMENT; DERIVATION OF RECEIVER INTERFERENCE PARAMETERS USEFUL FOR PLANNING FIXED SERVICE POINT-TO-POINT SYSTEMS OPERATING DIFFERENT EQUIPMENT CLASSES AND/OR CAPACITIES |
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