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
Intellectual Property Rights
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
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