Abstract

In this paper, we propose and demonstrate a novel technique to optically generate high-chip-count, phase-coded direct-sequence (DS) ultrawideband (UWB) signals for multiple-access UWB communications. In the proposed system, a lightwave from a laser source is phase-modulated by a Gaussian pulse train. The phase-modulated lightwave is then sent to a polarization modulator, to modulate the polarization state of the lightwave by a code pattern. The polarization-coded optical signal is then converted into a biphase-coded DS-UWB signal by a polarization-dependent frequency discriminator. The key device in the proposed system is the frequency discriminator, which is implemented using a length of polarization maintaining fiber (PMF) and a polarizer. A 127-chip, biphase-coding DS-UWB that has a data rate of 26.46 Mb/s and a chip rate of 3.36 Gb/s is experimentally generated. A multiuser UWB-over-fiber system is then proposed and a two-user system is demonstrated, in which the encoding is performed experimentally and the decoding is performed by numerically calculating the correlation between the coded UWB signal and the signature sequence. The signal of each user is well recognized. An effective two-user UWB-over-fiber system based on the DS-UWB technology is thus demonstrated.

© 2009 IEEE

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  1. D. Porcine, P. Research, W. Hirt, "Ultra-wideband radio technology: Potential and challenges ahead," IEEE Commun. Mag. 41, 66-74 (2003).
  2. M. Ghavami, L. B. Michael, R. Kohno, Ultra Wide-Band Signals and Systems in Communication Engineering (Wiley, 2004).
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  21. I. S. Lin, A. M. Weiner, "Selective correlation detection of photonically generated ultrawideband RF signals," J. Lightw. Technol. 26, 2692-2699 (2008).

2008 (4)

Q. Wang, J. P. Yao, "An approach to all-optical bipolar direct-sequence ultrawideband coding," Opt. Lett. 33, 1017-1019 (2008).

Y. Dai, J. P. Yao, "Optical Generation of binary phase-coded direct-sequence UWB signals using a multi-channel chirped fiber Bragg grating," J. Lightw. Technol. 26, 2513-2520 (2008).

E. Hamidi, A. M. Weiner, "Phase-only matched filtering of ultrawideband arbitrary microwave waveforms via optical pulse shaping," J. Lightw. Technol. 26, 2355-2363 (2008).

I. S. Lin, A. M. Weiner, "Selective correlation detection of photonically generated ultrawideband RF signals," J. Lightw. Technol. 26, 2692-2699 (2008).

2007 (4)

J. Dong, X. Zhang, J. Xu, D. Huang, "Ultrawideband monocycle generation using cross-phase modulation in a semiconductor optical amplifier," Opt. Lett. 32, 1223-1225 (2007).

H. Chen, M. Chen, C. Qiu, J. Zhang, S. Xie, "UWB monocycle pulse generation by optical polarization time delay method," Electron. Lett. 43, 542-543 (2007).

Q. Wang, J. P. Yao, "An electrically switchable optical ultrawideband pulse generator," J. Lightw. Technol. 25, 3626-3633 (2007).

C. Wang, F. Zeng, J. P. Yao, "All-Fiber Ultrawideband pulse generation based on spectral shaping and dispersion-induced frequency-to-time conversion," IEEE Photon. Technol. Lett. 19, 137-139 (2007).

2006 (2)

F. Zeng, J. P. Yao, "Ultrawideband impulse radio signal generation using a high-speed electrooptic phase modulator and a fiber-Bragg-grating-based frequency discriminator," IEEE Photon. Technol. Lett. 18, 2062-2064 (2006).

J. D. McKinney, A. M. Weiner, "Compensation of the effects of antenna dispersion on UWB waveforms via optical pulse-shaping techniques," IEEE Trans. Microwave Theory Tech. 54, 1681-1686 (2006).

2005 (3)

L. Zhu, S. Sun, W. Menzel, "Ultra-wideband (UWB) bandpass filters using multiple-mode resonator," IEEE Microw. Wireless Compon. Lett. 15, 796-798 (2005).

W. P. Lin, J. Y. Chen, "Implementation of a new ultrawide-band impulse system," IEEE Photon. Technol. Lett. 17, 2418-2420 (2005).

R. Qiu, H. Liu, X. Shen, "Ultra-wideband for multiple access communications," IEEE Commun. Mag. 43, 80-87 (2005).

2004 (1)

J. Bull, N. Jaeger, H. Kato, M. Fairburn, A. Reid, P. Ghanipour, "40 GHz electro-optic polarization modulator for fiber optic communication systems," Proc. SPIE 5577, 133-143 (2004).

2003 (1)

D. Porcine, P. Research, W. Hirt, "Ultra-wideband radio technology: Potential and challenges ahead," IEEE Commun. Mag. 41, 66-74 (2003).

Electron. Lett. (1)

H. Chen, M. Chen, C. Qiu, J. Zhang, S. Xie, "UWB monocycle pulse generation by optical polarization time delay method," Electron. Lett. 43, 542-543 (2007).

IEEE Commun. Mag. (2)

D. Porcine, P. Research, W. Hirt, "Ultra-wideband radio technology: Potential and challenges ahead," IEEE Commun. Mag. 41, 66-74 (2003).

R. Qiu, H. Liu, X. Shen, "Ultra-wideband for multiple access communications," IEEE Commun. Mag. 43, 80-87 (2005).

IEEE Microw. Wireless Compon. Lett. (1)

L. Zhu, S. Sun, W. Menzel, "Ultra-wideband (UWB) bandpass filters using multiple-mode resonator," IEEE Microw. Wireless Compon. Lett. 15, 796-798 (2005).

IEEE Photon. Technol. Lett. (1)

F. Zeng, J. P. Yao, "Ultrawideband impulse radio signal generation using a high-speed electrooptic phase modulator and a fiber-Bragg-grating-based frequency discriminator," IEEE Photon. Technol. Lett. 18, 2062-2064 (2006).

IEEE Photon. Technol. Lett. (2)

W. P. Lin, J. Y. Chen, "Implementation of a new ultrawide-band impulse system," IEEE Photon. Technol. Lett. 17, 2418-2420 (2005).

C. Wang, F. Zeng, J. P. Yao, "All-Fiber Ultrawideband pulse generation based on spectral shaping and dispersion-induced frequency-to-time conversion," IEEE Photon. Technol. Lett. 19, 137-139 (2007).

IEEE Trans. Microwave Theory Tech. (1)

J. D. McKinney, A. M. Weiner, "Compensation of the effects of antenna dispersion on UWB waveforms via optical pulse-shaping techniques," IEEE Trans. Microwave Theory Tech. 54, 1681-1686 (2006).

J. Lightw. Technol. (1)

I. S. Lin, A. M. Weiner, "Selective correlation detection of photonically generated ultrawideband RF signals," J. Lightw. Technol. 26, 2692-2699 (2008).

J. Lightw. Technol. (1)

Q. Wang, J. P. Yao, "An electrically switchable optical ultrawideband pulse generator," J. Lightw. Technol. 25, 3626-3633 (2007).

J. Lightw. Technol. (2)

Y. Dai, J. P. Yao, "Optical Generation of binary phase-coded direct-sequence UWB signals using a multi-channel chirped fiber Bragg grating," J. Lightw. Technol. 26, 2513-2520 (2008).

E. Hamidi, A. M. Weiner, "Phase-only matched filtering of ultrawideband arbitrary microwave waveforms via optical pulse shaping," J. Lightw. Technol. 26, 2355-2363 (2008).

Opt. Lett. (2)

Q. Wang, J. P. Yao, "An approach to all-optical bipolar direct-sequence ultrawideband coding," Opt. Lett. 33, 1017-1019 (2008).

J. Dong, X. Zhang, J. Xu, D. Huang, "Ultrawideband monocycle generation using cross-phase modulation in a semiconductor optical amplifier," Opt. Lett. 32, 1223-1225 (2007).

Proc. SPIE (1)

J. Bull, N. Jaeger, H. Kato, M. Fairburn, A. Reid, P. Ghanipour, "40 GHz electro-optic polarization modulator for fiber optic communication systems," Proc. SPIE 5577, 133-143 (2004).

Other (6)

Y. Dai, J. P. Yao, "Multi-user UWB-over-fiber system based on high-chip-count phase coding," Tech. Dig. Opt. Fiber Conf. Expo./Nat. Fiber Opt. Eng. Conf. (2008).

Y. Dai, J. P. Yao, "An approach to optical generation and distribution of binary phase coded direct sequence ultra-wideband signals," Proc. IEEE Int. Top. Meeting Microw. Photon. (2007) pp. 257-260.

M. Farhang, J. A. Salehi, "Spread-time/time-hopping UWB CDMA communication," Proc. IEEE Int. Symp. Commun. Inf. Technol. (2004) pp. 1047-1050.

D. D. Wentzloff, A. P. Chandrakasan, "Delay-based BPSK for pulsed-UWB communication," Proc. IEEE Int. Conf. Acoust. Speech Signal Process. (2007) pp. 561-564.

T. Kuri, Y. Omiya, T. Kawanishi, S. Hara, K. Kitayama, "Optical transmitter and receiver of 24-GHz ultra-wideband signal by direct photonic conversion techniques," Proc. Int. Top. Meeting Microw. Photon. (2006).

M. Ghavami, L. B. Michael, R. Kohno, Ultra Wide-Band Signals and Systems in Communication Engineering (Wiley, 2004).

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