Lasers, Fiber Optics, and Communications

Hybrid bidirectional radio-over-fiber-based orthogonal frequency division multiple access-passive optical network supporting 60/120  GHz using offset quadrate phase shift keying

[+] Author Affiliations
Chongfu Zhang, Kun Qiu

University of Electronic Science and Technology of China, School of Communication and Information Engineering, Key Laboratory of Optical Fiber Sensing and Communication Networks (Ministry of Education), No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu, Sichuan 611731, China

Chen Chen

University of Electronic Science and Technology of China, School of Communication and Information Engineering, Key Laboratory of Optical Fiber Sensing and Communication Networks (Ministry of Education), No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu, Sichuan 611731, China

Nanyang Technological University, School of Electrical and Electronic Engineering, 50 Nanyang Avenue, 639798, Singapore

Opt. Eng. 54(9), 096108 (Sep 17, 2015). doi:10.1117/1.OE.54.9.096108
History: Received May 31, 2015; Accepted August 19, 2015
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Abstract.  A hybrid bidirectional orthogonal frequency division multiple access-passive optical network (OFDMA-PON) based on offset quadrate phase shift keying (OQPSK) to support 60- and 120-GHz radio-over-fiber system is proposed. The system can support wired/wireless applications and enable the dynamic bandwidth allocation according to a subscriber’s application. It is successfully achieved by using the millimeter waves (MMWs) generation and the carrier-reuse technique. In the proposed scheme, the MMW bands used for downlink (DL) and uplink transmissions are generated at the optical line terminal by the dual-arm Mach–Zehnder modulators. Both 60- and 120-GHz MMWs are obtained for the transmission of the high bit-rate services in source-free optical network units (ONUs), only using a single 15-GHz sinusoidal wave source. The Rayleigh backscattering effect is considered in the proposed OQPSK-based OFDMA-PON. For DL transmission over a 30-km single-mode fiber, the power penalties are less than 0.8 and 1 dB for the OQPSK-OFDM wired data at 10Gb/s and the OQPSK-OFDM wireless data at 5Gb/s, respectively.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Chongfu Zhang ; Chen Chen and Kun Qiu
"Hybrid bidirectional radio-over-fiber-based orthogonal frequency division multiple access-passive optical network supporting 60/120  GHz using offset quadrate phase shift keying", Opt. Eng. 54(9), 096108 (Sep 17, 2015). ; http://dx.doi.org/10.1117/1.OE.54.9.096108


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