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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 2 — Jan. 27, 2014
  • pp: 1229–1234
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Full-duplex bidirectional transmission of 10-Gb/s millimeter-wave QPSK signal in E-band optical wireless link

Yuan Fang, Jianjun Yu, Nan Chi, and Jiangnan Xiao  »View Author Affiliations


Optics Express, Vol. 22, Issue 2, pp. 1229-1234 (2014)
http://dx.doi.org/10.1364/OE.22.001229


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Abstract

We experimentally demonstrated full-duplex bidirectional transmission of 10-Gb/s millimeter-wave (mm-wave) quadrature phase shift keying (QPSK) signal in E-band (71–76 GHz and 81–86 GHz) optical wireless link. Single-mode fibers (SMF) are connected at both sides of the antenna for uplink and downlink which realize 40-km SMF and 2-m wireless link for bidirectional transmission simultaneously. We utilized multi-level modulation format and coherent detection in such E-band optical wireless link for the first time. Mm-wave QPSK signal is generated by photonic technique to increase spectrum efficiency and received signal is coherently detected to improve receiver sensitivity. After the coherent detection, digital signal processing is utilized to compensate impairments of devices and transmission link.

© 2014 Optical Society of America

1. Introduction

2. Principle of full-duplex bidirectional transmission in E-band optical wireless link

3. Experimental setup

4. Results and discussion

Figure 6 shows the constellations of received QPSK signal at different signal bit rate.
Fig. 6 Constellations of received QPSK signal at (a) 10-Gbaud (20-Gb/s). (b) 5-Gbaud. (c) 4-Gbaud. (d) 2.5-Gbaud.
20-Gb/s (10Gbaud) QPSK signal cannot be recovered since four constellation points are not separated which can be observed in Fig. 6(a). The filtering effect of diplexer is considered an important factor for signal bit rate up to 20-Gb/s. In such case, the BER cannot be measured because of the strong filtering effect of diplexer. The constellation of 5- and 4-Gbaud QPSK signal is shown in Figs. 6(b) and 6(c), respectively. In Fig. 6(b), the 5-Gbaud signal is not well converged onto four constellation points and some scattered points will result in degradation of BER performance. The constellation of 4-Gbaud QPSK signal is separated and converged to four points well after DSP, which can be found in Fig. 6(c). The constellation of 2.5-Gbaud QPSK signal shows the best performance which can be found in Fig. 6(d).

5. Conclusion

Acknowledgments

This work was partially supported by the NNSF of China (No. 61325002, No. 61250018, No. 61177071), NHTRDP (863 Program) of China (2012AA011302), The National Key Technology R&D Program (2012BAH18B00), Key Program of Shanghai Science and Technology Association (12dz114300, 12510705600 and 13JC1400700).

References and links

1.

J. Yu, G. K. Chang, Z. Jia, A. Chowdhury, M. F. Huang, H. C. Chien, Y. T. Hsueh, W. Jian, C. Liu, and Z. Dong, “Cost-effective optical millimeter technologies and field demonstrations for very high throughput wireless-over-fiber access systems,” J. Lightwave Technol. 28(16), 2376–2397 (2010). [CrossRef]

2.

Y. T. Hsueh, Z. Jia, H. C. Chien, A. Chowdhury, J. Yu, and G. K. Chang, “Generation and transport of independent 2.4 GHz (Wi-Fi), 5.8 GHz (WiMAX), and 60-GHz optical millimeter-wave signals on a single wavelength for converged wireless over fiber access networks,” in OFC/NFOEC2009 (San Diego, CA, March 2009), JTuJ1V.

3.

J. Capmany and D. Novak, “Microwave photonics combines two worlds,” Nat. Photonics 1(6), 319–330 (2007). [CrossRef]

4.

D. Hadziabdic, V. Krozer, and T. K. Johansen, “Power amplifier design for E-band wireless system communications,” in Proc. 38th Eur. Microw. Conf. (EuMC08) (Amsterdam, Netherlands, Oct. 2008), pp. 1378–1381. [CrossRef]

5.

Y. J. Dyadyuk, Guo, and J. D. Bunton, “Multi-gigabit wireless communication technology in the E-band,” in Proc. 1st Int. Conf. Wireless VITAE (Aalborg, Denmark, May 2009), pp. 137–141.

6.

A. Chowdhury, H. C. Chien, Y. T. Hsueh, and G. K. Chang, “Advanced system technologies and field demonstration for in-building optical-wireless network with integrated broadband services,” J. Lightwave Technol. 27(12), 1920–1927 (2009). [CrossRef]

7.

X. Pang, A. Caballero, A. Dogadaev, V. Arlunno, R. Borkowski, J. S. Pedersen, L. Deng, F. Karinou, F. Roubeau, D. Zibar, X. Yu, and I. T. Monroy, “100 Gbit/s hybrid optical fiber-wireless link in the W-band (75-110 GHz),” Opt. Express 19(25), 24944–24949 (2011). [CrossRef] [PubMed]

8.

A. Kanno, K. Inagaki, I. Morohashi, T. Sakamoto, T. Kuri, I. Hosako, T. Kawanishi, Y. Yoshida, and K.-I. Kitayama, “40 Gb/s W-band (75-110 GHZ) 16-QAM radio-over-fiber signal generation and its wireless transmission,” in ECOC 2011 (Geneva, Sept. 2011), We.10.P1.112.

9.

A. H. M. R. Islam, M. Bakaul, A. Nirmalathas, and G. E. Town, “Simplified generation, transport, and data recovery of millimeter-wave signal in a full-duplex bidirectional fiber-wireless system,” IEEE Photonics Technol. Lett. 24(16), 1428–1430 (2012). [CrossRef]

10.

NTT Group CSR Report2011, http://www.ntt.co.jp/csr_e/2011report/pdf/en_all.pdf.

11.

X. Li, J. Yu, Z. Dong, and N. Chi, “Photonics millimeter-wave generation in the E-band and bidirectional transmission,” IEEE Photonics J. 5(1), 7900107 (2013). [CrossRef]

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Optical Communications

History
Original Manuscript: August 12, 2013
Revised Manuscript: December 23, 2013
Manuscript Accepted: December 23, 2013
Published: January 13, 2014

Citation
Yuan Fang, Jianjun Yu, Nan Chi, and Jiangnan Xiao, "Full-duplex bidirectional transmission of 10-Gb/s millimeter-wave QPSK signal in E-band optical wireless link," Opt. Express 22, 1229-1234 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-2-1229


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References

  1. J. Yu, G. K. Chang, Z. Jia, A. Chowdhury, M. F. Huang, H. C. Chien, Y. T. Hsueh, W. Jian, C. Liu, Z. Dong, “Cost-effective optical millimeter technologies and field demonstrations for very high throughput wireless-over-fiber access systems,” J. Lightwave Technol. 28(16), 2376–2397 (2010). [CrossRef]
  2. Y. T. Hsueh, Z. Jia, H. C. Chien, A. Chowdhury, J. Yu, and G. K. Chang, “Generation and transport of independent 2.4 GHz (Wi-Fi), 5.8 GHz (WiMAX), and 60-GHz optical millimeter-wave signals on a single wavelength for converged wireless over fiber access networks,” in OFC/NFOEC2009 (San Diego, CA, March 2009), JTuJ1V.
  3. J. Capmany, D. Novak, “Microwave photonics combines two worlds,” Nat. Photonics 1(6), 319–330 (2007). [CrossRef]
  4. D. Hadziabdic, V. Krozer, T. K. Johansen, “Power amplifier design for E-band wireless system communications,” in Proc. 38th Eur. Microw. Conf. (EuMC08) (Amsterdam, Netherlands, Oct. 2008), pp. 1378–1381. [CrossRef]
  5. Y. J. Dyadyuk, Guo, J. D. Bunton, “Multi-gigabit wireless communication technology in the E-band,” in Proc. 1st Int. Conf. Wireless VITAE (Aalborg, Denmark, May 2009), pp. 137–141.
  6. A. Chowdhury, H. C. Chien, Y. T. Hsueh, G. K. Chang, “Advanced system technologies and field demonstration for in-building optical-wireless network with integrated broadband services,” J. Lightwave Technol. 27(12), 1920–1927 (2009). [CrossRef]
  7. X. Pang, A. Caballero, A. Dogadaev, V. Arlunno, R. Borkowski, J. S. Pedersen, L. Deng, F. Karinou, F. Roubeau, D. Zibar, X. Yu, I. T. Monroy, “100 Gbit/s hybrid optical fiber-wireless link in the W-band (75-110 GHz),” Opt. Express 19(25), 24944–24949 (2011). [CrossRef] [PubMed]
  8. A. Kanno, K. Inagaki, I. Morohashi, T. Sakamoto, T. Kuri, I. Hosako, T. Kawanishi, Y. Yoshida, and K.-I. Kitayama, “40 Gb/s W-band (75-110 GHZ) 16-QAM radio-over-fiber signal generation and its wireless transmission,” in ECOC 2011 (Geneva, Sept. 2011), We.10.P1.112.
  9. A. H. M. R. Islam, M. Bakaul, A. Nirmalathas, G. E. Town, “Simplified generation, transport, and data recovery of millimeter-wave signal in a full-duplex bidirectional fiber-wireless system,” IEEE Photonics Technol. Lett. 24(16), 1428–1430 (2012). [CrossRef]
  10. NTT Group CSR Report2011, http://www.ntt.co.jp/csr_e/2011report/pdf/en_all.pdf .
  11. X. Li, J. Yu, Z. Dong, N. Chi, “Photonics millimeter-wave generation in the E-band and bidirectional transmission,” IEEE Photonics J. 5(1), 7900107 (2013). [CrossRef]

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