JP2022521864A - 時間と周波数にわたる確率的コンステレーションシェーピング - Google Patents
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Abstract
Description
Claims (20)
- 光送信機(800)で実行される方法(1100)であって、
複数のエンコードされたクライアントビット(808,810)から、少なくとも1つの次元で不均一な訪問確率を示すシンボルのセット(814)を生成する工程(1102)と、
複数の周波数分割多重「FDM」サブキャリアにわたって前記シンボルのセットをエンコードする工程(1104)であって、前記シンボルのセットの異なるサブセットは、異なるFDMサブキャリア上でエンコードされる工程と、
前記シンボルのセットがエンコードされる前記複数のFDMサブキャリアを備える光信号(864)を送信する工程(1106)とを備える方法。 - 前記エンコードする工程は、前記光送信機で利用可能な順列関数(811)を使用して実行される、請求項1に記載の方法。
- 前記順列関数は、前記光信号が送信される光通信リンクの1つ以上の特性に基づいてプログラムされる、請求項2に記載の方法。
- 前記順列関数は、異なるFDMサブキャリアに異なる容量を提供するようにプログラムされる、請求項2又は3に記載の方法。
- 前記異なるサブセットの少なくとも1つは、前記シンボルのセットの連続的なシンボルを備える、請求項1~4のいずれか一項に記載の方法。
- 前記異なるサブセットの少なくとも1つは、前記シンボルのセットの非連続的なシンボルを備える、請求項1~4のいずれか一項に記載の方法。
- 前記光送信機で利用可能な複数のルックアップテーブル「LUT」(210,214,218)を使用して、前記エンコードされたクライアントビットを生成する工程を更に備える、請求項1~6のいずれか一項に記載の方法。
- 前記複数のLUTは、前記光信号が送信される光通信リンクの1つ以上の特性に基づいてプログラムされる、請求項7に記載の方法。
- 変調された光信号(864)を送信するように構成されたコンポーネント(844,848,854,862)と、
請求項1~8のいずれか一項に記載の方法を実行するように構成された回路(801,828,830,832,834)と
を備える光送信機(800)。 - 光送信機のプロセッサによって実行されると、前記プロセッサに請求項1~8のいずれか一項に記載の方法を実行させるコンピュータ実行可能な命令を格納する非一時的なコンピュータ可読媒体(801)。
- 光受信機(900)で実行される方法(1200)であって、
前記光受信機と光送信機(800)との間に確立された光通信リンクを介して光信号(964)を受信する工程(1202)であって、前記受信した光信号は、複数の周波数分割多重「FDM」サブキャリアを備える工程と、
前記複数のFDMサブキャリアからのシンボル推定値(916)のセットをデコードする工程(1204)であって、前記シンボル推定値は、少なくとも1つの次元で不均一な訪問確率を示すシンボルの推定値を備え、前記シンボル推定値の異なるサブセットは、異なるFDMサブキャリアからデコードされる工程と、
前記シンボル推定値のセットから複数のクライアントビット(902)を復元する工程(1206)とを備える方法。 - 前記デコードする工程は、前記光受信機で利用可能な逆順列関数(911)を使用して実行される、請求項11に記載の方法。
- 前記逆順列関数は、前記光通信リンクの1つ以上の特性に基づいてプログラムされる、請求項12に記載の方法。
- 前記逆順列関数は、異なるFDMサブキャリア上で異なる容量を達成するようにプログラムされる、請求項12又は13に記載の方法。
- 前記異なるサブセットの少なくとも1つは、前記シンボル推定値のセットの連続的なシンボル推定値を備える、請求項11~14のいずれか一項に記載の方法。
- 前記異なるサブセットの少なくとも1つは、前記シンボル推定値のセットの非連続的なシンボル推定値を備える、請求項11~14のいずれか一項に記載の方法。
- 前記光受信機で利用可能な複数のルックアップテーブル「LUT」(710,714,718)を使用して前記複数のクライアントビットを復元する工程を更に備える、請求項11~16のいずれか一項に記載の方法。
- 前記複数のLUTは、前記光通信リンクの1つ以上の特性に基づいてプログラムされる、請求項17に記載の方法。
- 受信機と光送信機(800)との間に確立された光通信リンクを介して光信号(964)を受信するように構成されたコンポーネント(923,925,944,948)と、
請求項11~18のいずれか一項に記載の方法を実行するように構成された回路(901,928,930,932,934)と
を備える光受信機(900)。 - 光受信機(900)のプロセッサによって実行されると、前記プロセッサに請求項11~18のいずれか一項に記載の方法を実行させるコンピュータ実行可能な命令を格納する非一時的なコンピュータ可読媒体(901)。
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PCT/IB2019/061214 WO2020174275A1 (en) | 2019-02-28 | 2019-12-20 | Probabilistic constellation shaping across time and frequency |
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CAI, JIN-XING ET AL.: "51.5 Tb/s Capacity over 17,107 km in C+L Bandwidth Using Single-Mode Fibers and Nonlinearity Compens", JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 36, no. 11, JPN6023006425, June 2018 (2018-06-01), US, pages 2135 - 2141, XP011678593, ISSN: 0004995657, DOI: 10.1109/JLT.2018.2802322 * |
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CN111869137A (zh) | 2020-10-30 |
EP3759843B1 (en) | 2022-02-09 |
WO2020174275A1 (en) | 2020-09-03 |
JP7300457B2 (ja) | 2023-06-29 |
EP3759843A1 (en) | 2021-01-06 |
US10587358B1 (en) | 2020-03-10 |
CN111869137B (zh) | 2023-02-17 |
CA3128897C (en) | 2022-09-20 |
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