End-to-end real-time Optical Orthogonal Frequency Division Multiplexing (OOFDM) signal synchronization that is capable of simultaneously compensating for both Symbol Timing …
We propose a new simple method to achieve precise symbol synchronization using one start-of-frame (SOF) symbol in optical fast orthogonal frequency-division multiplexing …
X Liu, C Sethumadhavan - US Patent 8,660,433, 2014 - Google Patents
In one embodiment, an optical transmission system transmits data using a format according to which a data frame has two or more pilot-symbol blocks, each having a guard interval …
X Liu, C Sethumadhavan - US Patent 8,953,949, 2015 - Google Patents
Methods and apparatus for power-efficiently and reliably transmitting high-level quadrature amplitude modulation (QAM) optical signals using binary drive signals. Even though binary …
We propose and demonstrate the use of subcarrier/polarization-interleaved training symbols for channel estimation and synchronization in polarization-division multiplexed (PDM) …
In this paper, we propose to increase residual carrier frequency offset tolerance based on short perfect reconstruction pulse shaping for coherent optical-orthogonal frequency division …
We experimentally demonstrate a 5-Gb/s fiber-wireless transmission system combining optical polarization-division-multiplexing (PDM) and wireless multiple-input, multiple-output …
SR Moon, IK Hwang, HS Kang, SH Chang… - Optical Fiber …, 2017 - Elsevier
We investigate feasibility of carrier frequency offset (CFO) compensation method using optical feedback path for coherent optical orthogonal frequency division multiplexing (CO …
Integration between fiber-optic and wireless communications systems in the" last mile" access networks is currently considered as a promising solution for both service providers …