Digital signal processing for coherent transceivers employing multilevel formats
Digital coherent transceivers have revolutionized optical fiber communications due to their
superior performance offered compared to intensity modulation and direct detection based …
superior performance offered compared to intensity modulation and direct detection based …
RF impairments in wireless transceivers: Phase noise, CFO, and IQ imbalance–A survey
A Mohammadian, C Tellambura - IEEE access, 2021 - ieeexplore.ieee.org
Wireless transceivers for mass-market applications must be cost effective. We may achieve
this goal by deploying non-ideal low-cost radio frequency (RF) analog components …
this goal by deploying non-ideal low-cost radio frequency (RF) analog components …
Overhead-optimization of pilot-based digital signal processing for flexible high spectral efficiency transmission
We present a low-complexity fully pilot-based digital signal processing (DSP) chain
designed for high spectral efficiency optical transmission systems. We study the …
designed for high spectral efficiency optical transmission systems. We study the …
Pilot-symbols-aided carrier-phase recovery for 100-G PM-QPSK digital coherent receivers
A feedforward pilot-symbols-aided carrier-phase recovery scheme is described. The
approach relies on pilot symbols that are time-division multiplexed with the transmitted data …
approach relies on pilot symbols that are time-division multiplexed with the transmitted data …
Phase and frequency recovery algorithms for probabilistically shaped transmission
FA Barbosa, SM Rossi, DAA Mello - Journal of Lightwave Technology, 2020 - opg.optica.org
In additive white Gaussian noise (AWGN) channels, probabilistic shaping (PS) approaches
the information-theoretical capacity using typical square-ary quadrature amplitude …
the information-theoretical capacity using typical square-ary quadrature amplitude …
Analysis of the encryption penalty in a QAM-based quantum noise stream cipher
Quantum noise stream cipher based on quadrature-amplitude-modulation (QAM/QNSC) is a
kind of physical layer encryption technology. However, the additional encryption penalty will …
kind of physical layer encryption technology. However, the additional encryption penalty will …
2048-QAM transmission at 15 GBd over 100 km using geometric constellation shaping
We experimentally investigated a pilot-aided digital signal processing (DSP) chain in
combination with high-order geometric constellation shaping to increase the achievable …
combination with high-order geometric constellation shaping to increase the achievable …
Increasing achievable information rates with pilot-based DSP in standard intradyne detection
INCREASING ACHIEVABLE INFORMATION RATES WITH PILOT-BASED DSP IN STANDARD
INTRADYNE DETECTION Page 1 INCREASING ACHIEVABLE INFORMATION RATES WITH …
INTRADYNE DETECTION Page 1 INCREASING ACHIEVABLE INFORMATION RATES WITH …
Modulator and Demodulator Solutions for Real-Time Communication Toward 100 Gb/s: Realtime Modem Solution towards 100 Gb/s
Due to government and other agency regulations, microwave bands, which range in
frequency from 6 to 42 GHz, often have a small bandwidth of a few hundred megahertz …
frequency from 6 to 42 GHz, often have a small bandwidth of a few hundred megahertz …
The information rate transferred through the discrete-time Wiener's phase noise channel
L Barletta, M Magarini… - Journal of Lightwave …, 2012 - ieeexplore.ieee.org
The information rate transferred through the Additive White Gaussian Noise (AWGN)
channel affected by discrete-time multiplicative Wiener's phase noise is computed in the …
channel affected by discrete-time multiplicative Wiener's phase noise is computed in the …