发明名称 |
Method and apparatus for receiving data |
摘要 |
<p>An optical transmitter generates a transmission signal having a frame as a unit, the frame including a single optical pilot signal with a constant optical phase and a plurality of phase-modulated optical data signals, and outputs the transmission signal into a transmission line. In a receiver, a splitter splits the optical signal input from the transmission line. On a second arm of a Mach-Zehnder interferometer, an optical gate transmits the optical pilot signal and a duplicator duplicates the optical pilot signal output from the optical gate at predetermined time intervals. A balanced optical receiver converts the interfered optical signal output from the interferometer into an electrical signal. A gate and a discriminator extract the data from the electrical signal output from the receiver.</p> |
申请公布号 |
EP1742406(A1) |
申请公布日期 |
2007.01.10 |
申请号 |
EP20060114129 |
申请日期 |
2006.05.18 |
申请人 |
NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY INCORPORATED ADMINISTRATIVE AGENCY |
发明人 |
YUKIYOSHI, KAMIO;TETSUYA, MIYAZAKI |
分类号 |
H04B10/516;H04L7/00;H04B10/07;H04B10/548;H04B10/58;H04B10/61 |
主分类号 |
H04B10/516 |
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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