Page 1093 - 5G Basics - Core Network Aspects

Transport aspects 2

20.4 OPUCn multiplex overhead and ODTU justification overhead

20.5 Mapping ODUk into ODTUCn.ts
Annex A – Forward error correction using 16-byte interleaved RS(255,239) codecs
Annex B –Adapting 64B/66B encoded clients via transcoding into 513B code blocks
B.1 Transmission order

B.2 Client frame recovery
B.3 Transcoding from 66B blocks to 513B blocks
B.4 Link fault signalling

Annex C – Adaptation of OTU3 and OTU4 over multichannel parallel interfaces
Annex D – Generic mapping procedure principles
D.1 Basic principle
D.2 Applying GMP in OTN
D.3 Cm(t) encoding and decoding

D.4 CnD(t) encoding and decoding
Annex E – Adaptation of parallel 64B/66B encoded clients
E.1 Introduction

E.2 Clients signal format
E.3 Client frame recovery
E.4 Additions to Annex B transcoding for parallel 64B/66B clients
Annex F – Improved robustness for mapping of 40GBASE-R into OPU3 using 1027B code blocks
F.1 Introduction

F.2 513B code block framing and flag bit protection
F.3 66B block sequence check
Annex G – Mapping ODU0 into a low latency OTU0 (OTU0LL)

G.1 Introduction
G.2 Optical transport unit 0 low latency (OTU0LL)
Annex H – OTUCn sub rates (OTUCn-M)
H.1 Introduction
H.2 OTUCn-M frame format

Appendix I – Range of stuff ratios for asynchronous mappings of CBR2G5, CBR10G, and CBR40G
clients with 20 ppm bit-rate tolerance into OPUk, and for asynchronous multiplexing of
ODUj into ODUk (k > j)

Appendix II – Examples of functionally standardized OTU frame structures
Appendix III – Example of ODUk multiplexing

Appendix IV – Blank appendix
Appendix V – ODUk multiplex structure identifier (MSI) examples
Appendix VI – Parallel logic implementation of the CRC-9, CRC-8, CRC-5 and CRC-6

Appendix VII – OTL4.10 structure
Appendix VIII – CPRI into ODU mapping

Appendix IX – Overview of CBR clients into OPU mapping types

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