4.6 Article

Performance Analysis of Modulation Formats for Next Generation RoF Systems

期刊

IEEE ACCESS
卷 9, 期 -, 页码 139393-139402

出版社

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2021.3116351

关键词

Modulation; Optical fibers; Optical transmitters; Optical signal processing; OFDM; Optical receivers; Quadrature amplitude modulation; Radio over fiber; modulation formats; optical fiber network (OFN); radio frequency; BER; Q-factor; fiber length

资金

  1. Taif University [TURSP-2020/228]
  2. ASR & TD Department, UET, Taxila [UET/ASRTD/RG-357]

向作者/读者索取更多资源

Radio over fiber (RoF) is an effective communication technique that combines optical fiber and free space radio paths, with important applications for futuristic networks. The performance of RoF system can be visualized by modulating data with RF signal at the same frequency at transmitter and receiver ends, and various simulations and parameter tests directly affect system performance.
Radio over fiber (RoF) has found to be one of the most effective communication techniques. It has the tendency to incorporate both optical fiber and free space radio paths. In this research article, importance, benefits, and applications of RoF system are discussed in detail for futuristic networks. The performance of RoF system is visualized by modulating the data with the RF signal having same frequency at both transmitter and receiver ends. Initially, the performance is checked using non-return to zero (NRZ) format and later compared with duobinary (DB) and carrier suppressed return to zero (CSRZ). Various simulations are performed which directly affect the system performance. Important parameters such as RoF link distance, data rate, transmitter power, amplifier gain, and RF signal frequency are tested. The operation is carried out at 1550 nm wavelength and 30 GHz RF frequency. System is optimized to receive the transmitted waveforms successfully. Simulations are performed in Optisystem 17.0 and MATLAB. For the analysis, the results are plotted using Q-factor and BER values.

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