Abstract

We experimentally investigate the interference in multiple-input multiple-output (MIMO) wireless transmission by adjusting the relative locations of horn antennas (HAs) in a 100 GHz optical wireless integration system, which can deliver a 50Gb/s polarization-division-multiplexing quadrature-phase-shift-keying signal over 80 km single-mode fiber-28 and a 2×2 MIMO wireless link. For the parallel 2×2 MIMO wireless link, each receiver HA can only get wireless power from the corresponding transmitter HA, while for the crossover ones, the receiver HA can get wireless power from two transmitter HAs. At the wireless receiver, polarization demultiplexing is realized by the constant modulus algorithm (CMA) in the digital-signal-processing part. Compared to the parallel case, wireless interference causes about 2 dB optical signal-to-noise ratio penalty at a bit-error ratio (BER) of 3.8×103 for the crossover cases if similar CMA taps are employed. The increase in CMA tap length can reduce wireless interference and improve BER performance. Furthermore, more CMA taps should be adopted to overcome the severe wireless interference when two pairs of transmitter and receiver HAs have different wireless distances.

© 2013 Optical Society of America

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References

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2012 (6)

2011 (2)

2010 (2)

Arlunno, V.

Borkowski, R.

Caballero, A.

Cao, Z.

Chang, C. H.

Chang, G. K.

L. Tao, Z. Dong, J. Yu, N. Chi, J. Zhang, X. Li, Y. Shao, and G. K. Chang, IEEE Photon. Technol. Lett. 24, 2276 (2012).
[CrossRef]

X. Li, Z. Dong, J. Yu, N. Chi, Y. Shao, and G. K. Chang, Opt. Lett. 37, 5106 (2012).
[CrossRef]

C. Liu, H. C. Chien, S. H. Fan, J. Yu, and G. K. Chang, IEEE Photon. Technol. Lett. 24, 173 (2012).
[CrossRef]

Chen, H. W.

Chen, J.

Chi, N.

Chien, H. C.

C. Liu, H. C. Chien, S. H. Fan, J. Yu, and G. K. Chang, IEEE Photon. Technol. Lett. 24, 173 (2012).
[CrossRef]

Chow, C. W.

Deng, L.

Dogadaev, A.

Dong, Z.

Fan, S. H.

C. Liu, H. C. Chien, S. H. Fan, J. Yu, and G. K. Chang, IEEE Photon. Technol. Lett. 24, 173 (2012).
[CrossRef]

Ho, C. H.

Hosako, I.

A. Kanno, K. Inagaki, I. Morohashi, T. Sakamoto, T. Kuri, I. Hosako, T. Kawanishi, Y. Yoshida, and K. I. Ki-tayama, Opt. Express 19, B56 (2011).
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A. Kanno, T. Kuri, I. Hosako, T. Kawanishi, Y. Yasumura, Y. Yoshida, and K. Kitayama, in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optical Society of America, 2012), paper We.3.B.2.

Inagaki, K.

Jiang, W. J.

Kanno, A.

A. Kanno, K. Inagaki, I. Morohashi, T. Sakamoto, T. Kuri, I. Hosako, T. Kawanishi, Y. Yoshida, and K. I. Ki-tayama, Opt. Express 19, B56 (2011).
[CrossRef]

A. Kanno, T. Kuri, I. Hosako, T. Kawanishi, Y. Yasumura, Y. Yoshida, and K. Kitayama, in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optical Society of America, 2012), paper We.3.B.2.

Karinou, F.

Kawanishi, T.

A. Kanno, K. Inagaki, I. Morohashi, T. Sakamoto, T. Kuri, I. Hosako, T. Kawanishi, Y. Yoshida, and K. I. Ki-tayama, Opt. Express 19, B56 (2011).
[CrossRef]

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Kitayama, K.

A. Kanno, T. Kuri, I. Hosako, T. Kawanishi, Y. Yasumura, Y. Yoshida, and K. Kitayama, in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optical Society of America, 2012), paper We.3.B.2.

Ki-tayama, K. I.

Kuo, F. M.

Kuri, T.

A. Kanno, K. Inagaki, I. Morohashi, T. Sakamoto, T. Kuri, I. Hosako, T. Kawanishi, Y. Yoshida, and K. I. Ki-tayama, Opt. Express 19, B56 (2011).
[CrossRef]

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Lee, W.

Li, X.

Li, Y. T.

Lin, C.

Liu, C.

C. Liu, H. C. Chien, S. H. Fan, J. Yu, and G. K. Chang, IEEE Photon. Technol. Lett. 24, 173 (2012).
[CrossRef]

Lu, H. H.

Lu, T. H.

Morohashi, I.

Ng’oma, A.

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Peng, P. C.

Roubeau, F.

Sakamoto, T.

Shao, Y.

Shi, J. W.

Shih, C. L.

Tafur Monroy, I.

Tao, L.

Wang, C. H.

Wang, C. Y.

Wei, C. C.

Wu, Y. F.

Yasumura, Y.

A. Kanno, T. Kuri, I. Hosako, T. Kawanishi, Y. Yasumura, Y. Yoshida, and K. Kitayama, in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optical Society of America, 2012), paper We.3.B.2.

Yeh, C. H.

Yoshida, Y.

A. Kanno, K. Inagaki, I. Morohashi, T. Sakamoto, T. Kuri, I. Hosako, T. Kawanishi, Y. Yoshida, and K. I. Ki-tayama, Opt. Express 19, B56 (2011).
[CrossRef]

A. Kanno, T. Kuri, I. Hosako, T. Kawanishi, Y. Yasumura, Y. Yoshida, and K. Kitayama, in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optical Society of America, 2012), paper We.3.B.2.

Yu, J.

L. Tao, Z. Dong, J. Yu, N. Chi, J. Zhang, X. Li, Y. Shao, and G. K. Chang, IEEE Photon. Technol. Lett. 24, 2276 (2012).
[CrossRef]

X. Li, Z. Dong, J. Yu, N. Chi, Y. Shao, and G. K. Chang, Opt. Lett. 37, 5106 (2012).
[CrossRef]

X. Li, J. Yu, Z. Dong, Z. Cao, N. Chi, J. Zhang, Y. Shao, and L. Tao, Opt. Express 20, 24364 (2012).
[CrossRef]

C. Liu, H. C. Chien, S. H. Fan, J. Yu, and G. K. Chang, IEEE Photon. Technol. Lett. 24, 173 (2012).
[CrossRef]

J. Zhang, Z. Dong, J. Yu, N. Chi, L. Tao, X. Li, and Y. Shao, Opt. Lett. 37, 4050 (2012).
[CrossRef]

Yu, X.

Zhang, J.

Zibar, D.

IEEE Photon. Technol. Lett. (2)

L. Tao, Z. Dong, J. Yu, N. Chi, J. Zhang, X. Li, Y. Shao, and G. K. Chang, IEEE Photon. Technol. Lett. 24, 2276 (2012).
[CrossRef]

C. Liu, H. C. Chien, S. H. Fan, J. Yu, and G. K. Chang, IEEE Photon. Technol. Lett. 24, 173 (2012).
[CrossRef]

Opt. Express (5)

Opt. Lett. (3)

Other (2)

ITU-T Recommendation G.975.1, http://www.itu.int/rec/T-REC-G.975.1-200402-I/en (2004).

A. Kanno, T. Kuri, I. Hosako, T. Kawanishi, Y. Yasumura, Y. Yoshida, and K. Kitayama, in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optical Society of America, 2012), paper We.3.B.2.

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Figures (4)

Fig. 1.
Fig. 1.

Experimental setup. (a) Optical upconverter; (b) DSP.

Fig. 2.
Fig. 2.

MIMO wireless links. (a)–(d) Cases 1–4; (e) picture of case 4.

Fig. 3.
Fig. 3.

BER versus OSNR for cases 1–4.

Fig. 4.
Fig. 4.

BER versus CMA taps for (a) case 3 and (b) case 4.

Equations (1)

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Δn=2nlb/c=2×1×0.2×12.5×109/(3×108)16.7,

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