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 › peer-review

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

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",

author = "Chen, {Wen Huang} and Chen, {Chao Wei} and Chun-Ting Lin and Wei, {Chia Chien} and Sien Chi",

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AU - Chen, Wen Huang

AU - Chen, Chao Wei

AU - Lin, Chun-Ting

AU - Wei, Chia Chien

AU - Chi, Sien

PY - 2019/6/1

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AB - 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.

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KW - Optical fiber communication

KW - RF down-conversion

KW - radio frequency photonics

KW - signal-to-signal beating noise

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

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Keywords

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