EN 300 234 : 1.3.2
Current
The latest, up-to-date edition.
TRANSMISSION AND MULTIPLEXING (TM) - DIGITAL RADIO RELAY SYSTEMS (DRRS) - HIGH CAPACITY DRRS CARRYING 1 X STM-1 SIGNALS AND OPERATING IN FREQUENCY BANDS WITH ABOUT 30 MHZ CHANNEL SPACING AND ALTERNATED ARRANGEMENTS
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English
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Foreword
1 Scope
2 References
3 Symbols and abbreviations
3.1 Symbols
3.2 Abbreviations
4 General characteristics
4.1 Frequency bands and channel arrangements
4.1.1 Channel arrangements
4.2 Compatibility requirements between systems
4.3 Performance and availability requirements
4.4 Environmental conditions
4.4.1 Equipment within weather protected locations
(indoor locations)
4.4.2 Equipment for non-weather protected locations
(outdoor locations)
4.5 Power supply
4.6 Electromagnetic compatibility
4.7 System block diagram
4.8 Telecommunications Management Network (TMN) interface
4.9 Branching/feeder/antenna characteristics
4.9.1 Antenna radiation patterns
4.9.2 Antenna cross-Polar Discrimination (XPD)
4.9.3 Antenna Inter-Port Isolation (IPI)
4.9.4 Waveguide flanges (or other connectors)
4.9.5 Return loss
5 System parameters
5.1 Transmission capacity
5.2 Baseband parameters
5.2.1 Plesiochronous interfaces
5.2.2 SDH baseband interfaces
5.3 Transmitter characteristics
5.3.1 Transmitter power range
5.3.2 Transmit power and frequency control
5.3.2.1 Automatic Transmit Power Control (ATPC)
5.3.2.2 Remote Transmit Power Control (RTPC)
5.3.2.3 Remote Frequency Control (RFC)
5.3.3 Transmitter output power tolerance
5.3.4 Transmit Local Oscillator (LO) frequency
arrangements
5.3.5 RF spectrum mask
5.3.6 Discrete CW components exceeding the spectrum mask
limit
5.3.6.1 Spectral lines at the symbol rate
5.3.6.2 Additional CW components
5.3.7 Spurious emissions
5.3.7.1 Spurious emissions - external
5.3.7.2 Spurious emissions - internal
5.3.8 Radio frequency tolerance
5.4 Receiver characteristics
5.4.1 Input level range
5.4.2 Receiver image rejection
5.4.3 Spurious emissions
5.4.3.1 Spurious emissions - external
5.4.3.2 Spurious emissions - internal
5.4.4 Innermost channel receiver selectivity for L6 GHz
5.5 System performance without diversity
5.5.1 BER as a function of Receiver input Signal Level
(RSL)
5.5.2 Equipment Residual BER
5.5.3 Interference sensitivity
5.5.3.1 Co-channel interference sensitivity
5.5.3.2 Adjacent channel interference
5.5.3.3 CW spurious interference
5.5.4 Distortion sensitivity
5.6 System characteristics with diversity
5.6.1 Differential delay compensation
5.6.2 BER performance
Annex A (informative): Additional information
A.1 Cross-Polar Discrimination (XPD)
A.2 Branching/feeder/antenna requirements
A.2.1 Return loss
A.2.2 Intermodulation products
A.2.3 Interport isolation
A.3 Automatic Transmit Power Control (ATPC)
A.4 RBER
A.5 Co-channel and adjacent channel interference
Annex B: Void
Annex C (normative): System type codes for regulatory
procedures
Annex D (informative): Bibliography
History
Describes the parameters for high capacity STM-1 digital radio-relay systems designed to operate in defined bands up to 15 GHz.
| Committee |
TM 4
|
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Standards | Relationship |
| NEN EN 300234 : 2001 | Identical |
| NBN EN 300 234 : 2002 | Identical |
| UNE-EN 300234:1999 | Identical |
| DIN EN 300234:2003-04 | Identical |
| I.S. EN 300 234:2001 | Identical |
| PN EN 300 234 : JULY 2005 | Identical |
| NF EN 300385 : 2001 | |
| 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 |
| NF EN 301127 : 2002 | FIXED RADIO SYSTEMS - POINT-TO-POINT EQUIPMENT - HIGH CAPACITY DIGITAL RADIO SYSTEMS CARRYING SDH SIGNALS (UP TO 2 X STM-1) IN FREQUENCY BANDS WITH ABOUT 30 MHZ CHANNEL SPACING AND USING CO-POLAR ARRANGEMENTS OR CO-CHANNEL DUAL POLARIZED (CCDP) OPERATION |
| 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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