发明名称 |
COHERENT COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND TRANSMISSION METHOD |
摘要 |
The estimation of an amount of chromatic dispersion using a training signal sequence is possible. A transmission method includes: a training signal sequence generation step of generating, as training signal sequences, a plurality of signal sequences having power concentrated in a plurality of frequency bands, the power concentrated at different frequency bands; a training signal sequence selection step of selecting at least one training signal sequence from among the plurality of training signal sequences generated in the training signal sequence generation step, a signal multiplexing step of generating a signal sequence obtained by time-division multiplexing the training signal sequence selected in the training signal sequence selection step with a transmission data sequence, and an electrical-to-optical conversion step of transmitting the signal sequence generated in the signal multiplexing step as an optical signal. |
申请公布号 |
EP2930864(A1) |
申请公布日期 |
2015.10.14 |
申请号 |
EP20140740258 |
申请日期 |
2014.01.15 |
申请人 |
NIPPON TELEGRAPH AND TELEPHONE CORPORATION |
发明人 |
ISHIHARA KOICHI;MIZOGUCHI MASATO;MURAKAMI TOMOKI;KATAOKA TOMOYOSHI;KISAKA YOSHIAKI;NAKAGAWA TADAO;YAMAZAKI ETSUSHI;OKAMOTO SEIJI;HORIKOSHI KENGO;TOMIZAWA MASAHITO;KUDO RIICHI |
分类号 |
H04B10/61;H04B10/2513;H04B10/69;H04J3/14 |
主分类号 |
H04B10/61 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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