Early detection of cancer using circulating tumor DNA: biological, physiological and analytical considerations

AJ Bronkhorst, V Ungerer… - Critical reviews in clinical …, 2020 - Taylor & Francis
Early diagnosis of cancer improves the efficacy of curative therapies. However, due to the
difficulties involved in distinguishing between small early-stage tumors and normal …

A pocket companion to cell-free DNA (cfDNA) preanalytics

AJ Bronkhorst, S Holdenrieder - Tumor Biology, 2024 - content.iospress.com
The cumulative pool of cell-free DNA (cfDNA) molecules within bodily fluids represents a
highly dense and multidimensional information repository. This “biological mirror” provides …

Window-split structured frequency domain Kalman equalization scheme for large PMD and ultra-fast RSOP in an optical coherent PDM-QPSK system

Z Zheng, N Cui, H Xu, X Zhang, W Zhang, L **… - Optics express, 2018 - opg.optica.org
A window-split frequency domain Kalman scheme is proposed in this paper for the
equalization of large polarization mode dispersion (PMD) and ultra-fast rotation of state-of …

Frequency-scanning interferometry using a time-varying Kalman filter for dynamic tracking measurements

X Jia, Z Liu, L Tao, Z Deng - Optics express, 2017 - opg.optica.org
Frequency scanning interferometry (FSI) with a single external cavity diode laser (ECDL)
and time-invariant Kalman filtering is an effective technique for measuring the distance of a …

Adaptive and joint frequency offset and carrier phase estimation based on Kalman filter for 16QAM signals

Q **ang, Y Yang, Q Zhang, J Cao, Y Yao - Optics Communications, 2019 - Elsevier
An adaptive and joint carrier recovery scheme is proposed based on adaptive Kalman filter
(AKF) for 16 quadrature amplitude modulation signals. The tuning parameter Q is adaptively …

Joint scheme of dynamic polarization demultiplexing and PMD compensation up to second order for flexible receivers

H Xu, X Zhang, X Tang, C Bai, L **… - IEEE Photonics …, 2017 - ieeexplore.ieee.org
Polarization division multiplexing (PDM) doubles the bitrate of flexible transponders,
whereas the joint effects of fast state of polarization (SOP) rotations, first-order polarization …

Low-complexity high linewidth-tolerant carrier synchronization for 16QAM using pilot-assisted RLS algorithm

A Deka, S Sharma, PK Krishnamurthy - Photonic Network …, 2024 - Springer
In this paper, we present a data-aided feedback technique based on the recursive least
squares (RLS) algorithm to synchronize the local oscillator with the remote carrier by jointly …

Reduced sampling rate Kalman filters for carrier phase and frequency offset tracking in 200 Gbps 16 QAM coherent communication system

S Sharma, PK Krishnamurthy - Scientific Reports, 2021 - nature.com
We propose 1 state and 2 state multi-step Kalman filters (MKFs) to estimate and compensate
CFO, LPN and NLPN in long-haul coherent fiber-optic communication systems. The …

A low-phase-noise dual-polarization 16-QAM CO-OFDM modulation system with a hybrid optical filter

V Kaushik, H Saini - Journal of Optics, 2024 - Springer
Phase noise is a crucial impairment in coherent optical communication. In this paper, a dual-
polarization 16 quadrature amplitude modulation coherent optical orthogonal frequency …

[PDF][PDF] An effective integration of the PM 16-QAM modulation in enhanced metropolitan networks with the EDFA amplification

R Róka, P Šalík - Journal of Electrical Engineering, 2020 - sciendo.com
This paper deals with the integration of polarization multiplexed 16-ary quadrature
amplitude modulation format in optical metropolitan networks enhanced with the signal …