Zadoff–Chu sequence-based hitless ranging scheme for OFDMA-PON configured 5G fronthaul uplinks

Ahmed Galib Reza; June-Koo Kevin Rhee

doi:10.1117/1.OE.56.5.056110

29 May 2017 Zadoff–Chu sequence-based hitless ranging scheme for OFDMA-PON configured 5G fronthaul uplinks

Ahmed Galib Reza, June-Koo Kevin Rhee

Author Affiliations +

Optical Engineering, Vol. 56, Issue 5, 056110 (May 2017). https://doi.org/10.1117/1.OE.56.5.056110

Abstract

A Zadoff–Chu (ZC) sequence-based low-complexity hitless upstream time synchronization scheme is proposed for an orthogonal frequency division multiple access passive optical network configured cloud radio access network fronthaul. The algorithm is based on gradual loading of the ZC sequences, where the phase discontinuity due to the cyclic prefix is alleviated by a frequency domain phase precoder, eliminating the requirements of guard bands to mitigate intersymbol interference and inter-carrier interference. Simulation results for uncontrolled-wavelength asynchronous transmissions from four concurrent transmitting optical network units are presented to demonstrate the effectiveness of the proposed scheme.

Citation Download Citation

Ahmed Galib Reza and June-Koo Kevin Rhee "Zadoff–Chu sequence-based hitless ranging scheme for OFDMA-PON configured 5G fronthaul uplinks," Optical Engineering 56(5), 056110 (29 May 2017). https://doi.org/10.1117/1.OE.56.5.056110

Received: 7 March 2017; Accepted: 27 April 2017; Published: 29 May 2017

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