Supplement 55 to ITU-T G-series Recommendations (12/2021) Radio-over-fibre (RoF) technologies and their applications
Summary
History
FOREWORD
Table of Contents
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Supplement
4 Abbreviations and acronyms
5 General concept
6 System architectures
     6.1 Analogue RoF system
          6.1.1 Subcarrier signal(s) transmission
          6.1.2 Equivalent low-pass (equivalent baseband) signal(s) transmission
     6.2 Digital RoF system
          6.2.1 Digital radio signal(s) transmission
          6.2.2 Digitized radio signal(s) transmission
     6.3 Relay transmission (repeater)
7 Fundamental technologies
     7.1 Electrical-to-optical conversion
          7.1.1 Direct modulation
          7.1.2 External modulation
     7.2 Optical-to-electrical conversion
          7.2.1 Optical incoherent detection
          7.2.2 Optical coherent detection
               7.2.2.1 Detection scheme without a local light source
               7.2.2.2 Detection scheme with a local light source
                    7.2.2.2.1 Detection scheme with a single-tone local light source
                    7.2.2.2.2 Detection scheme with multi-tone local light source
     7.3 High-spectral-efficient transmission
          7.3.1 Subcarrier multiplexing transmission
               7.3.1.1 Analogue aggregation
               7.3.1.2 Digital aggregation
          7.3.2 Wavelength division multiplexing transmission
               7.3.2.1 Optical frequency interleaved WDM transmission technique
          7.3.3 Multi-level modulation
     7.4 Digital-signal-processing-assisted (DSP-assisted) analogue RoF techniques
     7.5 Photonic frequency conversion techniques
          7.5.1 Photonic up-conversion
          7.5.1 Photonic down-conversion
8 Network models
     8.1 Reference points
     8.2 Service
     8.3 Optical distribution network
     8.4 Possible RoF over ODN configurations and characteristics
     8.5 Possible RoF over ODN survivability and characteristics
     8.6 Radio-collaborating optical links
          8.6.1 Radio-collaborating optical distribution network (ODN)
9 System design for supporting a radio access system over an optical access network
     9.1 Measurement test model for mobile front-hauling over an optical distribution network
     9.2 Example of system performance evaluation
          9.2.1 Single downlink signal transmission
          9.2.2 Single uplink signal transmission
          9.2.3 Multiple downlink signals transmission
               9.2.3.1 IF-band SCM RoF system with an analogue aggregation technique in ONU
               9.2.3.2 IF-band SCM RoF system with a digital aggregation technique
          9.2.4 Multiple uplink signals transmission
Bibliography
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