A simple method based on a designed pseudo-pilot is proposed for both carrier frequency
offset (CFO) and phase noise (PN) estimation for the coherent optical offset-quadratic …

Sub-terahertz (THz)-band communication system has drawn much attention as a promising
technology to provide future-proof high data rate services. In a photonics-based sub-THz …

The recent advances in mobile network technologies are based on pioneering higher radio
frequency ranges such as millimeter wave and (sub-) terahertz bands. Most likely, the …

The surge in data demand fueled by data hungry applications has driven the need for
enhanced capacity in sixth-generation (6G) mobile technology. To address this, single …

Efficient synchronization is of great importance for fiber optical coherent communication
system. Here, we propose an accurate and low-complexity timing/frequency synchronization …

In this paper, a low-complexity residual carrier frequency offset compensation (RCFOC)
approach based on spectrum symmetry is proposed for coherent optical orthogonal …

In high-speed coherent optical orthogonal frequency division multiplexing (CO-OFDM)
systems, wide range estimation of carrier frequency offset (CFO) and hardware-efficient …

A joint timing and frequency synchronization method has been proposed for coherent optical
orthogonal frequency-division multiplexing (CO-OFDM) system in this paper. The timing …

We propose a robust adaptive time synchronization and frequency offset estimation method
for coherent optical orthogonal frequency division multiplexing (CO-OFDM) systems by …

Due to its merits of flexible bandwidth allocation and robustness towards fiber transmission
impairments, coherent optical orthogonal frequency division multiplexing (CO-OFDM) …