Low Complexity Parallel Carrier Frequency Offset Estimation Based on Time-Tagged QPSK Partitioning for Coherent Free-Space Optical Communication

To effectively mitigate the effects of atmospheric turbulence in free space optical (FSO) communication, we propose a parallel carrier frequency offset estimation (FOE) scheme based on time-tagged QPSK partitioning (TTQP). This scheme can be applied to spatial diversity polarization multiplexing (PM...

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Autori principali:	Siqi Zhang, Liqian Wang, Kunfeng Liu, Shuang Ding
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	MDPI AG 2024-09-01
Serie:	Photonics
Soggetti:	free-space optical frequency offset estimation atmospheric turbulence quadrature amplitude modulation QPSK partitioning
Accesso online:	https://www.mdpi.com/2304-6732/11/9/885
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