A full-duplex radio-over-fiber system for 60GHz millimeter wave

LIU Qian; DING Min-ying; LUO Li-hong; LI Fan; CHEN Lin

doi:10.3969/j.issn.1001-3806.2011.02.033

LASER TECHNOLOGY > 2011 > 35(2): 264-267,271. > DOI: 10.3969/j.issn.1001-3806.2011.02.033

LIU Qian, DING Min-ying, LUO Li-hong, LI Fan, CHEN Lin. A full-duplex radio-over-fiber system for 60GHz millimeter wave[J]. LASER TECHNOLOGY, 2011, 35(2): 264-267,271. DOI: 10.3969/j.issn.1001-3806.2011.02.033

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A full-duplex radio-over-fiber system for 60GHz millimeter wave

1.
School of Information Technology, Hunan Vocational College of Commence, Changsha 410205, China;
2.
School of Computer and Communication, Hunan University, Changsha 410082, China

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Received Date: June 20, 2010
Revised Date: August 12, 2010
Published Date: March 24, 2011

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Abstract

Abstract

In order to transmit wire and wireless signals simultaneously,a hybrid network was constructed with both the signals transmitted in the two orthogonal polarization respectively,in which wireless millimeter-wave was generated by a nonsymmetrical input dual Mach-Zehnder modulator in a wireless link,while wire signal was generated with a phase modulator to achieve differential phase-shift key modulation format and realize carrier reuse in uplink,then both the orthogonal polarization signals modulated respectively were coupled into the same optical wavelength and transmitted to the base station through the fiber. Both the orthogonal polarization signals were separated in the base station,the optical carrier modulatedby wireless signal was detected by a photodiode and amplified,then transmitted by the antenna.On the other hand,the optical signal carrying wire signal was divided into two signals,one was injected to the balanced detector to achieve wire signal,and the other was used as optical carrier in uplink.After simulation with OPTICSYSTEM software,the eye diagrams of 10Gbit/s wire signal and 60GHz wireless signal were obtained after transmission 50km in optical fiber.The results show that this method is very effective in transmission.
- optical communication,
- wired and wirless hybrid network,
- polarization multiplexing,
- balanced detection

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References

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