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A Novel Demodulation Scheme for a Memoryless Optical Interference Channel

Kamran Keykhosravi (Institutionen för signaler och system, Kommunikationssystem) ; Erik Agrell (Institutionen för signaler och system, Kommunikationssystem)
IEEE Int. Symp. Inf. Theory (ISIT), Aachen, Germany, June 2017. (2017)
[Konferensbidrag, refereegranskat]

Matched filtering and sampling, which is known to be the optimal receiver for the linear additive white Gaussian noise channel, is in general suboptimal for a nonlinear medium. Nonetheless, it is commonly used in fiber-optical communication systems with nonlinear distortion. In this paper, a novel demodulation scheme is proposed for a two-user memoryless interference channel, with a type of nonlinear crosstalk that occurs in wavelength-multiplexed optical transmission. We show by simulations that by using this demodulation scheme, unlike matched filtering and sampling, the symbol error rate decreases to zero in the high-power regime.

Nyckelord: nonlinearity compensation, optical fiber, demodulation, nonlinear channel.

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Denna post skapades 2017-08-08. Senast ändrad 2017-09-14.
CPL Pubid: 250959


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Institutionen för signaler och system, Kommunikationssystem (1900-2017)


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