Results 21 to 30 of about 14,260 (228)
Probabilistically Shaped PAM-8 Transmission With Simplified Volterra Equalizer
IEEE Photonics Journal, 2022 Intensity-modulation direct-detection (IM/DD) probabilistically shaped (PS) 8-level pulse-amplitude modulation (PAM) signal is promising for high-speed intra-data-center networks.
Mingyi Gao +3 more
doaj +1 more source
Generation of (3, 1) Vector Signal Based on Probabilistic Shaping Technology without Precoding
Advances in Condensed Matter Physics, 2020 In this paper, we introduce the probabilistic shaping (PS) technique to the normal (3, 1) vector signal and simulate the generated PS (3, 1) photonic vector signal on an optical transmission system.
Jiangnan Xiao +5 more
doaj +1 more source
IEEE Photonics Journal, 2019 Due to the rapid growth of high-resolution services, low earth orbit satellite-to-ground (LEO-StG) optical communications are expected to provide higher speed and better receiver sensitivity transmission.
Huan Chen +5 more
doaj +1 more source
Probabilistic shaping for ROF system with heterodyne coherent detection
APL Photonics, 2017 We investigate and compare the performance of normal and probabilistic shaping (PS) 16-ary quadrature amplitude modulation (16QAM) in a photonic vector millimeter-wave (mm-wave) signal generation system adopting
Bo Liu +4 more
doaj +1 more source
IEEE Access, 2020 A $5\times60$ Gb/s low-density parity-check (LDPC) coded WDM-PON using 8-level pulse amplitude modulation (PAM8) signals with probabilistic shaping (PS) over 20-km standard single-mode fiber (SSMF) with direct detection is proposed and experimentally ...
Lin Zhou +5 more
doaj +1 more source
A Simple Nonlinearity-Tailored Probabilistic Shaping Distribution for Square QAM [PDF]
, 2017 A new probabilistic shaping distribution that outperforms Maxwell-Boltzmann is studied for the nonlinear fiber channel. Additional gains of 0.1 bit/symbol MI or 0.2 dB SNR for both DP-256QAM and DP-1024QAM are reported after 200 km nonlinear fiber ...
Alvarado, Alex +8 more
core +2 more sources
Turbo DFE Assisted Time-Frequency Packing for Probabilistically Shaped Terabit Superchannels
IEEE Photonics Journal, 2021 We present a probabilistically shaped (PS) time-frequency-packing (TFP) wavelength-division multiplexing superchannel system employing higher order modulation (HoM) formats, with an objective to improve the spectral efficiency (SE).
Mrinmoy Jana, Lutz Lampe, Jeebak Mitra
doaj +1 more source
IEEE Access, 2020 Research and development of Li-Fi (Light Fidelity) in Internet-of-things (IoT) has created significant interest among researchers. The low-cost version of standard color shift keying (CSK) modulation scheme having single photodetector (PD) at the ...
Dil Nashin Anwar, Anand Srivastava
doaj +1 more source
A Journey from Improper Gaussian Signaling to Asymmetric Signaling
, 2020 The deviation of continuous and discrete complex random variables from the traditional proper and symmetric assumption to a generalized improper and asymmetric characterization (accounting correlation between a random entity and its complex conjugate ...
Alouini, Mohamed-Slim +3 more
core +1 more source
Dyadic Probabilistic Shaping of PAM-4 and PAM-8 for Cost-Effective VCSEL-MMF Optical Interconnection
IEEE Photonics Journal, 2019 In this paper, dyadic probabilistic shaping (PS) for pulse amplitude modulation (PAM) has been investigated and experimentally demonstrated for intensity-modulation and direct-detection optical interconnection systems.
Lin Sun +7 more
doaj +1 more source