Implementation of a Radio-over-Fiber System Based on UFCM for the Coming 6G Mobile Networks | Zendy

Melanny Davila | Zendy; Berenice Arguero | Zendy; Christian Tipantuna | Zendy; German V. Arevalo | Zendy; Jossue Camacho | Zendy; Carla Parra | Zendy; Xavier Hesselbach | Zendy

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Implementation of a Radio-over-Fiber System Based on UFCM for the Coming 6G Mobile Networks

Author(s) -

Melanny Davila,

Berenice Arguero,

Christian Tipantuna,

German V. Arevalo,

Jossue Camacho,

Carla Parra,

Xavier Hesselbach

Publication year - 2025

Publication title -

ieee access

Language(s) - English

Resource type - Magazines

SCImago Journal Rank - 0.587

H-Index - 127

eISSN - 2169-3536

DOI - 10.1109/access.2025.3616962

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

A sixth-generation (6G) front-haul link based on a Radio-over-Fiber (RoF) technology is a solution that guarantees larger bandwidth, and higher data rates comparing with its predecessor cellular networks. This paper presents the radio frequency (RF) signal transmission in a passive optical network (PON). The developed method aims to obtain different parameters to evaluate the performance of the proposed scheme as part of a 6G network. In this context, the RF signal is created with configurable universal filtered multi-carrier (UFMC), and the modulation scheme is modified to study the link’s behavior and to increase the system transmission speed. The first part of the analysis combines RF and optical systems in a co-simulation between MATLAB and OptSim. Meanwhile, the second part reports a real-world implementation of the front-haul link. The objective is to compare the simulation with the real-world results of the designed solution. For this purpose, we find the optimal configuration regarding the bit error rate (BER) and error vector magnitude (EVM). In the real implementation, once the front-haul link is configured optimally, the RF signal is transmitted through a universal software radio peripheral (USRP). This enables the measurement of the Received Signal Strength Indicator (RSSI) and the analysis of a 6G sector in a controlled environment. We demonstrate that the implemented solution successfully achieves the required receiver in the PON and ensures minimal received power at the User Equipment (UE). The designed scheme provides an appropriate speed to transmit bursts of data with a very high transfer rate and ultra-low latency, which are essential features for new services in 6G.

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