Abstract

In this paper, we have proposed a novel spreading code-set based on the prime code families, hereby referred to as “transposed sparse-padded modified prime code” for synchronous optical code-division multiple-access (OCDMA) networks. The proposed code-set is compared with modified prime codes (MPCs) in terms of correlation properties, bit-error rate (BER), and cardinality. This new low-weight large code-set has better correlation characteristics as compared with MPC families and, as results indicated, the new code-set has considerably improved the BER and power consumption of the OCDMA networks. We have analyzed the performance of the proposed code-set in both incoherent ON–OFF keying and pulse position modulation OCDMA systems, while the multiple access interference was the major degrading quality. The results indicate that at the BER floor of 10<sup>-9</sup>, the proposed code-set can accommodate greater number of users and consume less power as compared with the MPC under the same transmission conditions.

© 2012 IEEE

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  1. W. C. Kwong, P. A. Perrierm, P. R. Prucnal, "Performance comparison of asynchronous and synchronous code-division multiple-access techniques for fiber-optic local area networks," IEEE Trans. Commun. 39, 1625-1634 (1991).
  2. M. Y. Liu, H. W. Tsao, "Cochannel interference cancellation via employing a reference correlator for synchronous optical CDMA system," J. Microw. Opt. Tech. Lett. 25, 390-392 (2000).
  3. F. Liu, M. M. Karbassian, H. Ghafouri-Shiraz, "Novel family of prime codes for synchronous optical CDMA," J. Opt. Quantum Electron. 39, 79-90 (2007).
  4. M. M. Karbassian, H. Ghafouri-Shiraz, "Fresh prime codes evaluation for synchronous PPM and OPPM signaling for optical CDMA networks," J. Lightw. Technol. 25, 1422-1430 (2007).
  5. A. Lalmahomed, M. M. Karbassian, H. Ghafouri-Shiraz, "Performance analysis of enhanced-MPC in incoherent synchronous optical CDMA," J. Lightw. Technol. 28, 39-46 (2010).
  6. W. Liang, H. Yin, L. Qin, Z. Wang, A. Xu, "A new family of 2D variable-weight optical orthogonal codes for OCDMA systems supporting multiple QoS and analysis of its performance," Photon. Netw. Commun. 16, 53-60 (2008).
  7. S. V. Maric, M. D. Hahm, E. L. Titlebaum, "Construction and performance analysis of a new family of optical orthogonal codes for CDMA fiber-optic networks," IEEE Trans. Commun. 43, 485-489 (1995).
  8. P. Kamath, J. D. Touch, J. A. Bannister, "The need for medium access control in optical CDMA networks," Proc. 23rd Annu. Joint Conf. IEEE Comput. Commun. Soc. (2004) pp. 2208-2219.
  9. A. Keshavarzian, J. A. Salehi, "Multiple-shift code acquisition of optical orthogonal codes in optical CDMA systems," IEEE Trans. Commun. 53, 687-697 (2005).
  10. M. M. Mustapha, R. F. Ormondroyd, "Dual-threshold sequential detection code synchronization for an optical CDMA network in the presence of multi-user interference," J. Lightw. Technol. 18, 1742-1748 (2000).
  11. M. M. Karbassian, F. Kueppers, "Synchronous optical CDMA networks capacity increase using transposed modified prime codes," J. Lightw. Technol. 28, 2603-2610 (2010).
  12. J. G. Zhang, A. B. Sharma, W. C. Kwong, "Cross-correlation and system performance of modified prime codes for all-optical CDMA applications," J. Opt. A: Pure Appl. Opt. 2, L25-L29 (2000).
  13. Y. H. Lee, Y.-G. Jan, H.-W. Tseng, M. H. Chuang, "Performance analysis and architecture design for a smartly generated prime code multiplexing system," J. Opt. Commun. 28, 216-220 (2007).
  14. K. Murugesan, "Performance analysis of low-weight modified prime sequence codes for synchronous optical CDMA networks," J. Opt. Commun. 25, 68-74 (2004).
  15. L. L. Jau, Y. H. Lee, "Optical code-division multiplexing systems using common-zero codes," J. Microw. Opt. Technol. Lett. 39, 165-167 (2003).
  16. M. M. Karbassian, F. Kueppers, "Enhancing spectral efficiency and capacity in synchronous OCDMA by transposed-MPC," J. Opt. Switch. Netw. 9, 130-137 (2012).
  17. M. Azizoghlu, J. A. Salehi, Y. Li, "Optical CDMA via temporal codes," IEEE Trans. Commun. 40, 1162-1170 (1992).

2012

M. M. Karbassian, F. Kueppers, "Enhancing spectral efficiency and capacity in synchronous OCDMA by transposed-MPC," J. Opt. Switch. Netw. 9, 130-137 (2012).

2010

M. M. Karbassian, F. Kueppers, "Synchronous optical CDMA networks capacity increase using transposed modified prime codes," J. Lightw. Technol. 28, 2603-2610 (2010).

A. Lalmahomed, M. M. Karbassian, H. Ghafouri-Shiraz, "Performance analysis of enhanced-MPC in incoherent synchronous optical CDMA," J. Lightw. Technol. 28, 39-46 (2010).

2008

W. Liang, H. Yin, L. Qin, Z. Wang, A. Xu, "A new family of 2D variable-weight optical orthogonal codes for OCDMA systems supporting multiple QoS and analysis of its performance," Photon. Netw. Commun. 16, 53-60 (2008).

2007

F. Liu, M. M. Karbassian, H. Ghafouri-Shiraz, "Novel family of prime codes for synchronous optical CDMA," J. Opt. Quantum Electron. 39, 79-90 (2007).

M. M. Karbassian, H. Ghafouri-Shiraz, "Fresh prime codes evaluation for synchronous PPM and OPPM signaling for optical CDMA networks," J. Lightw. Technol. 25, 1422-1430 (2007).

Y. H. Lee, Y.-G. Jan, H.-W. Tseng, M. H. Chuang, "Performance analysis and architecture design for a smartly generated prime code multiplexing system," J. Opt. Commun. 28, 216-220 (2007).

2005

A. Keshavarzian, J. A. Salehi, "Multiple-shift code acquisition of optical orthogonal codes in optical CDMA systems," IEEE Trans. Commun. 53, 687-697 (2005).

2004

K. Murugesan, "Performance analysis of low-weight modified prime sequence codes for synchronous optical CDMA networks," J. Opt. Commun. 25, 68-74 (2004).

2003

L. L. Jau, Y. H. Lee, "Optical code-division multiplexing systems using common-zero codes," J. Microw. Opt. Technol. Lett. 39, 165-167 (2003).

2000

J. G. Zhang, A. B. Sharma, W. C. Kwong, "Cross-correlation and system performance of modified prime codes for all-optical CDMA applications," J. Opt. A: Pure Appl. Opt. 2, L25-L29 (2000).

M. M. Mustapha, R. F. Ormondroyd, "Dual-threshold sequential detection code synchronization for an optical CDMA network in the presence of multi-user interference," J. Lightw. Technol. 18, 1742-1748 (2000).

M. Y. Liu, H. W. Tsao, "Cochannel interference cancellation via employing a reference correlator for synchronous optical CDMA system," J. Microw. Opt. Tech. Lett. 25, 390-392 (2000).

1995

S. V. Maric, M. D. Hahm, E. L. Titlebaum, "Construction and performance analysis of a new family of optical orthogonal codes for CDMA fiber-optic networks," IEEE Trans. Commun. 43, 485-489 (1995).

1992

M. Azizoghlu, J. A. Salehi, Y. Li, "Optical CDMA via temporal codes," IEEE Trans. Commun. 40, 1162-1170 (1992).

1991

W. C. Kwong, P. A. Perrierm, P. R. Prucnal, "Performance comparison of asynchronous and synchronous code-division multiple-access techniques for fiber-optic local area networks," IEEE Trans. Commun. 39, 1625-1634 (1991).

IEEE Trans. Commun.

A. Keshavarzian, J. A. Salehi, "Multiple-shift code acquisition of optical orthogonal codes in optical CDMA systems," IEEE Trans. Commun. 53, 687-697 (2005).

IEEE Trans. Commun.

W. C. Kwong, P. A. Perrierm, P. R. Prucnal, "Performance comparison of asynchronous and synchronous code-division multiple-access techniques for fiber-optic local area networks," IEEE Trans. Commun. 39, 1625-1634 (1991).

S. V. Maric, M. D. Hahm, E. L. Titlebaum, "Construction and performance analysis of a new family of optical orthogonal codes for CDMA fiber-optic networks," IEEE Trans. Commun. 43, 485-489 (1995).

M. Azizoghlu, J. A. Salehi, Y. Li, "Optical CDMA via temporal codes," IEEE Trans. Commun. 40, 1162-1170 (1992).

J. Lightw. Technol.

A. Lalmahomed, M. M. Karbassian, H. Ghafouri-Shiraz, "Performance analysis of enhanced-MPC in incoherent synchronous optical CDMA," J. Lightw. Technol. 28, 39-46 (2010).

J. Opt. Switch. Netw.

M. M. Karbassian, F. Kueppers, "Enhancing spectral efficiency and capacity in synchronous OCDMA by transposed-MPC," J. Opt. Switch. Netw. 9, 130-137 (2012).

J. Lightw. Technol.

M. M. Karbassian, H. Ghafouri-Shiraz, "Fresh prime codes evaluation for synchronous PPM and OPPM signaling for optical CDMA networks," J. Lightw. Technol. 25, 1422-1430 (2007).

M. M. Mustapha, R. F. Ormondroyd, "Dual-threshold sequential detection code synchronization for an optical CDMA network in the presence of multi-user interference," J. Lightw. Technol. 18, 1742-1748 (2000).

M. M. Karbassian, F. Kueppers, "Synchronous optical CDMA networks capacity increase using transposed modified prime codes," J. Lightw. Technol. 28, 2603-2610 (2010).

J. Microw. Opt. Technol. Lett.

L. L. Jau, Y. H. Lee, "Optical code-division multiplexing systems using common-zero codes," J. Microw. Opt. Technol. Lett. 39, 165-167 (2003).

J. Microw. Opt. Tech. Lett.

M. Y. Liu, H. W. Tsao, "Cochannel interference cancellation via employing a reference correlator for synchronous optical CDMA system," J. Microw. Opt. Tech. Lett. 25, 390-392 (2000).

J. Opt. A: Pure Appl. Opt.

J. G. Zhang, A. B. Sharma, W. C. Kwong, "Cross-correlation and system performance of modified prime codes for all-optical CDMA applications," J. Opt. A: Pure Appl. Opt. 2, L25-L29 (2000).

J. Opt. Commun.

Y. H. Lee, Y.-G. Jan, H.-W. Tseng, M. H. Chuang, "Performance analysis and architecture design for a smartly generated prime code multiplexing system," J. Opt. Commun. 28, 216-220 (2007).

K. Murugesan, "Performance analysis of low-weight modified prime sequence codes for synchronous optical CDMA networks," J. Opt. Commun. 25, 68-74 (2004).

J. Opt. Quantum Electron.

F. Liu, M. M. Karbassian, H. Ghafouri-Shiraz, "Novel family of prime codes for synchronous optical CDMA," J. Opt. Quantum Electron. 39, 79-90 (2007).

Photon. Netw. Commun.

W. Liang, H. Yin, L. Qin, Z. Wang, A. Xu, "A new family of 2D variable-weight optical orthogonal codes for OCDMA systems supporting multiple QoS and analysis of its performance," Photon. Netw. Commun. 16, 53-60 (2008).

Other

P. Kamath, J. D. Touch, J. A. Bannister, "The need for medium access control in optical CDMA networks," Proc. 23rd Annu. Joint Conf. IEEE Comput. Commun. Soc. (2004) pp. 2208-2219.

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