58.74-Gb/s 2×2 MIMO 60-GHz Optical/Wireless System with Simple Power-Detector Down-Conversion

Wen Huang Chen; Chao Wei Chen; Chun-Ting Lin; Chia Chien Wei; Sien Chi

doi:10.1109/LPT.2019.2912656

58.74-Gb/s 2×2 MIMO 60-GHz Optical/Wireless System with Simple Power-Detector Down-Conversion

Wen Huang Chen, Chao Wei Chen, Chun-Ting Lin^*, Chia Chien Wei, Sien Chi

^*Corresponding author for this work

Institute of Photonic System

Research output: Contribution to journal › Article

Abstract

We demonstrate a 58.74-Gb/s V -band orthogonal frequency-division multiplexing (OFDM) radio-over-fiber (RoF) system employing the 2× 2 multiple-input-multiple-output (MIMO) technology and power detector for down-conversion for the first time. Additional radio frequency (RF) tone is generated and transmitted from central station to replace the local oscillator at wireless receiver for power detector down-conversion. To enhance spectrum efficiency, the gap mymargin between OFDM signal and RF tone is not needed. However, the down-converted signal will suffer signal-to-signal beating interference (SSBI). In this letter, we propose and successfully employ the 2 × 2 MIMO SSBI mitigation schemes to mitigate SSBI, resulting in 45% capacity improvement.

Original language	English
Article number	8695718
Pages (from-to)	897-900
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	31
Issue number	11
DOIs	https://doi.org/10.1109/LPT.2019.2912656
State	Published - 1 Jun 2019

Keywords

OFDM
Optical fiber communication
RF down-conversion
radio frequency photonics
signal-to-signal beating noise

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10.1109/LPT.2019.2912656

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Chen, W. H., Chen, C. W., Lin, C-T., Wei, C. C., & Chi, S. (2019). 58.74-Gb/s 2×2 MIMO 60-GHz Optical/Wireless System with Simple Power-Detector Down-Conversion. IEEE Photonics Technology Letters, 31(11), 897-900. [8695718]. https://doi.org/10.1109/LPT.2019.2912656

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abstract = "We demonstrate a 58.74-Gb/s V -band orthogonal frequency-division multiplexing (OFDM) radio-over-fiber (RoF) system employing the 2× 2 multiple-input-multiple-output (MIMO) technology and power detector for down-conversion for the first time. Additional radio frequency (RF) tone is generated and transmitted from central station to replace the local oscillator at wireless receiver for power detector down-conversion. To enhance spectrum efficiency, the gap mymargin between OFDM signal and RF tone is not needed. However, the down-converted signal will suffer signal-to-signal beating interference (SSBI). In this letter, we propose and successfully employ the 2 × 2 MIMO SSBI mitigation schemes to mitigate SSBI, resulting in 45% capacity improvement.",

keywords = "OFDM, Optical fiber communication, RF down-conversion, radio frequency photonics, signal-to-signal beating noise",

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AU - Chen, Wen Huang

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AU - Wei, Chia Chien

AU - Chi, Sien

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