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OFDM Baud Rate Limitations in an Optical Heterodyne Analog Fronthaul Link using Unlocked Fibre LasersPublished in Institute of Electrical and Electronics Engineers Inc.
2019
The phase noise (PN) of a photo-generated mmwave carrier, resulting from frequency and phase fluctuations of uncorrelated laser sources, limits the performance of heterodyne/millimeter-wave analog radio-over-fibre links. This work analyzes the effect of subcarrier baud rate and frequency offset (FO) variations on the performance of a 60 GHz OFDM signal generated using unlocked fiber lasers. Conventional digital techniques for FO and PN compensation, in a 25 km mm-wave A-RoF heterodyne system, are shown to overcome relatively large FOs and to enable the successful transmission of kHz range sub-carrier baud rates-in line with recent 5G recommendations. © 2019 IEEE.
Topics: Baud (55)%55% related to the paper, Heterodyne (53)%53% related to the paper, Phase noise (53)%53% related to the paper, Frequency offset (53)%53% related to the paper and Subcarrier (52)%52% related to the paper
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About the journal
| Journal | Data powered by Typeset2019 IEEE International Topical Meeting on Microwave Photonics, MWP 2019 |
|---|---|
| Publisher | Data powered by TypesetInstitute of Electrical and Electronics Engineers Inc. |
| Open Access | No |
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Concepts (17)
5g mobile communication systems- Fiber lasers
- Fibers
- Frequency allocation
- Millimeter waves
- Orthogonal frequency division multiplexing
- Radio links
- RADIO-OVER-FIBER
- ANALOG RADIO
- DIGITAL TECHNIQUES
- FIBER-WIRELESS
- Frequency offsets
- LASER SOURCES
- OPTICAL FRONTHAUL
- PHASE FLUCTUATION
- SUB-CARRIERS
- OPTICAL HETERODYNING
