• 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

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date: 

    Publisher:  European Telecommunications Standards Institute

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee TM 4
    Document Type Standard
    Publisher European Telecommunications Standards Institute
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    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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