Optical system design and engineering considerations |
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Supplement 39 to ITU-T G-series Recommendations provides information on the background and methodologies used in the development of optical interface Recommendations such as Recommendations ITU-T G.957, ITU-T G.691 and ITU-T G.959.1. This revision adds further information on modulation formats; clarifies power budget parameters for systems with optical amplifiers; provides further information on optical signal-to-noise ratio (OSNR) measurement; updates information on concatenation of non-linear effects; adds bit error ratio (BER) estimation technique based on constellation; and makes other miscellaneous corrections. |
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Roadmap for QoS and QoE in the ITU-T Study Group 12 context (TR-RQ)
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2023
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here
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Considerations on the use of GNSS as a primary time reference in telecommunications
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2020
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here
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Use of G.hn in industrial applications
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2020
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here
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