EN 301 127 : 1.3.1
Current
The latest, up-to-date edition.
FIXED RADIO SYSTEMS POINT-TO-POINT EQUIPMENT; HIGH CAPACITY DIGITAL RADIO SYSTEMS CARRYING SDH SIGNALS (2 X STM-1) IN FREQUENCY BANDS WITH ABOUT 30 MHZ CHANNEL SPACING AND USING CO-CHANNEL DUAL POLARIZED (CCDP) OPERATION
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English
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Foreword
1 Scope
2 References
3 Abbreviations and symbols
3.1 Abbreviations
3.2 Symbols
4 General Characteristics
4.1 Frequency bands and channel arrangements
4.2 Modes of operation
4.3 Compatibility requirements between systems
4.4 Performance and availability requirements
4.5 Environmental Conditions
4.5.1 Equipment within weather protected locations (indoor
locations)
4.5.2 Equipment for non-weather protected locations
(outdoor locations)
4.6 Mechanical dimensions
4.7 Power Supply
4.8 Electro Magnetic Compatibility (EMC)
4.9 TMN interfaces
4.10 Block diagram
4.11 Intermediate frequency
4.12 Branching/feeder/antenna requirements
5 Baseband characteristics
5.1 Plesiochronous digital hierarchy
5.2 Synchronous Digital Hierarchy
6 Transmitter Characteristics
6.1 Output power
6.2 Automatic Transmit Power control (ATPC)
6.3 RF spectrum masks
6.4 Discrete CW components exceeding the spectrum mask limit
6.4.1 Spectral lines at the symbol rate
6.4.2 Additional CW components
6.5 Spurious emissions
6.5.1 Spurious emissions-External
6.5.2 Spurious emissions-Internal
6.6 Radio frequency tolerance
6.7 Return loss at point C'
7 Receiver Characteristics
7.1 Rx local oscillator frequency arrangements
7.2 Receiver image rejection
7.3 Spurious emissions
7.3.1 Spurious emissions-External
7.3.2 Spurious emissions-Internal
7.4 Input level range
7.5 Overall Receiver selectivity
7.6 Return loss at point C'
8 System Characteristics Without Diversity
8.1 Equipment background BER
8.2 BER as a function of receive input level (dBm)
8.3 Interference sensitivity
8.3.1 Co-channel "external" interference sensitivity
8.3.2 Adjacent channel interference sensitivity
8.4 Distortion sensitivity
9 System Characteristics with diversity
9.1 Differential Delay Compensation
9.2 BER Performance
10 Cross Polar Interference Sensitivity
10.1 Co-channel "internal" interference sensitivity in flat
fading conditions
10.2 Co-channel "internal" interference sensitivity in
dispersive fading conditions
Annex A (normative): Requirements and Measurement test set
A.1 Branching, Feeder and Antenna Requirements
A.1.1 Antenna Radiation Pattern Envelopes
A.1.2 Cross-polar discrimination (XPD)
A.1.3 Intermodulation products
A.1.4 Interport isolation
A.1.5 Return loss
A.1.6 Antenna/Equipment/Feeder Flanges
A.2 Measurement test set for XPI characteristics
Annex B (informative): Typical behaviours of interference
sensitivity
Annex C (informative): Bibliography
History
Delineates application, system concepts, compatibility with existing systems and XPIC characterisation performance.
| Committee |
TM 4
|
| DocumentType |
Standard
|
| Pages |
31
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Standards | Relationship |
| NBN EN 301 127 : 2002 | Identical |
| PN EN 301 127 : 2005 | Identical |
| NF EN 301127 : 2002 | Identical |
| DIN EN 301127:2003-09 | Identical |
| NEN EN 301127 : 2002 | Identical |
| TR 101 853 : 1.1.1 | FIXED RADIO SYSTEMS; POINT-TO-POINT AND POINT-TO-MULTIPOINT EQUIPMENT; RULES FOR THE CO-EXISTENCE OF POINT-TO-POINT AND POINT-TO-MULTIPOINT SYSTEMS USING DIFFERENT ACCESS METHODS IN THE SAME FREQUENCY BAND |
| 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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