منابع مشابه
BER and Availability Measured on FSO Link
The BER and the availability belong among the basic qualitative parameters of free space optical (FSO) links. The BER parameter is usually mentioned by FSO manufacturers, but it is not defined what conditions a certain value of BER stands for. This article deals with problems of measuring the BER of free space optical link and with questions how to determine the probability of unavailability of...
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We experimentally analyze the performance of a laser communication link using spatial diversity. For various system settings we quantify the cross-correlation between received signals and establish key elements in the design of efficient multiple-transmitter links. ©2010 Optical Society of America OCIS codes: (060.2605) Free-space optical communication; (010.3310) Laser beam transmission.
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PAM4 signaling has been proposed and discussed at various standard bodies for several years. With limited or even no experience with high speed link systems using PAM4, system engineers need to rely on end-to-end system level simulations. On the other hand, the IBIS-AMI standard provides interoperability, SerDes IP protection, excellent accuracy, and high throughput for link simulations. Unfort...
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In this paper we report results of IBIS-AMI based link analyses of realistic 56G PAM4 channels. Systems under investigation are represented by channel S-parameters and SerDes AMI models that capture actual chip designs, including impedance, equalizations and embedded tuning. 4-level timedomain input waveforms are processed by Tx and Rx models, which return output waveforms along with sampling t...
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Atmospheric turbulence results in many effects causing fluctuation in the received optical power. Terrestrial laser beam communication is affected above all by scintillations. The paper deals with modeling the influence of scintillation on link performance, using the modified Rytov theory. The probability of correct signal detection in direct detection system in dependence on many parameters su...
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ژورنال
عنوان ژورنال: Laser Physics Letters
سال: 2017
ISSN: 1612-2011,1612-202X
DOI: 10.1088/1612-202x/aa6ef3