发明名称 |
Receiving apparatus and method for electronic noise compensation in phase modulated optical transmission |
摘要 |
A receiving apparatus and method for processing a differential phase shift keying signal carrying a plurality of symbols are disclosed to provide for improved compensation of linear and non-linear noise in phase modulated optical transmission. The receiving apparatus comprises an input unit for receiving electrical signals derived from an optical signal and a calculation unit for calculating a current value of a decision variable. The current value is indicative of a differential phase shift in the optical signal between a currently received symbol and a previously received symbol as a function of the optical signal power of the optical signal for the currently received symbol and at least one previous value of the decision variable. The receiving apparatus also comprises a decision unit for determining the differential phase shift from the current value of the decision variable obtained from the calculation unit to obtain the currently received symbol.
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申请公布号 |
US8543011(B2) |
申请公布日期 |
2013.09.24 |
申请号 |
US20100810378 |
申请日期 |
2010.06.24 |
申请人 |
ELBERS JOERG-PETER;GRIESSER HELMUT;TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) |
发明人 |
ELBERS JOERG-PETER;GRIESSER HELMUT |
分类号 |
H04B10/67;H04B10/69 |
主分类号 |
H04B10/67 |
代理机构 |
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地址 |
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