Abstract

A media access control protocol for optical code-division multiple-access packet networks with variable length data traffic is proposed. This protocol exhibits a sliding window with variable size. A model for interference-level fluctuation and an accurate analysis for channel usage are presented. Both multiple-access interference (MAI) and photodetector's shot noise are considered. Both chip-level and correlation receivers are adopted. The system performance is evaluated using a traditional average system throughput and average delay. Finally, in order to enhance the overall performance, error control codes (ECCs) are applied. The results indicate that the performance can be enhanced to reach its peak using the ECC with an optimum number of correctable errors. Furthermore, chip-level receivers are shown to give much higher performance than that of correlation receivers. Also, it has been shown that MAI is the main source of signal degradation.

© 2006 IEEE

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ERTU J. (1)

M. G. Kyeong, "A novel algebraic framework for analyzing finite population DS/SS slotted ALOHA wireless network systems with delay capture," ERTU J. 18, 127-145 (1996).

IEEE J. Sel. Areas Commun. (2)

T. Sato, H. Okada, T. Yamazato, M. Katayama, A. Ogawa, "Throughput analysis of DS/SSMA unslotted ALOHA system with fixed packet length," IEEE J. Sel. Areas Commun. 14, 750-756 (1996).

J. So, I. Han, B. Shin, D. Cho, "Performance analysis of DS/SSMA unslotted ALOHA with variable length data traffic," IEEE J. Sel. Areas Commun. 19, 2215-2224 (2001).

IEEE Netw. (1)

B. Mukherjee, "WDM-based local lightwave networks—Part I: Single-hop systems," IEEE Netw. 6, 12-27 (1992).

IEEE Trans. Commun. (7)

J. A. Salehi, "Code division multiple-access techniques in optical fiber networks—Part I: Fundamental principles," IEEE Trans. Commun. 37, 824-833 (1989).

J. A. Salehi, "Code division multiple-access techniques in optical fiber networks—Part II: Systems performance analysis," IEEE Trans. Commun. 37, 834-842 (1989).

C.-S. Hsu, V. O. K. Li, "Performance analysis of unslotted fiber-optic code-division multiple-access (CDMA) packet networks," IEEE Trans. Commun. 45, 978-987 (1997).

J. A. B. Tarr, J. E. Wieslthier, "Packet-error probability analysis for unslotted FH-CDMA systems with error control coding," IEEE Trans. Commun. 38, 1987-1993 (1990).

D. H. Davis, S. A. Gronemeyer, "Performance of slotted ALOHA random access with delay capture and randomized time of arrival," IEEE Trans. Commun. COM-28, 703-710 (1980).

C.-S. Hsu, V. O. K. Li, "Performance analysis of slotted fiber-optic code-division multiple-access (CDMA) packet networks," IEEE Trans. Commun. 45, 819-827 (1997).

H. M. H. Shalaby, "Complexities, error probabilities, and capacities of optical OOK-CDMA communication systems," IEEE Trans. Commun. 50, 2009-2017 (2002).

IEEE Trans. Comput. (1)

S. S. Lam, "Packet broadcast networks—A performance analysis of the R-ALOHA protocol," IEEE Trans. Comput. C-29, 596-603 (1980).

IEEE Trans. Inf. Theory (1)

F. R. Chung, J. A. Salehi, V. K. Wei, "Optical orthogonal codes: Design, analysis, and applications," IEEE Trans. Inf. Theory 35, 595-604 (1989).

J. Lightw. Technol. (6)

H. M. H. Shalaby, "Chip-level detection in optical code-division multiple-access," J. Lightw. Technol. 16, 1077-1087 (1998).

G. N. M. Sudhakar, N. D. Georganas, M. Kavehard, "Slotted ALOHA and reservation ALOHA protocols for very high-speed optical fiber local area networks using passive star topology," J. Lightw. Technol. 9, 1411-1422 (1991).

I. M. I. Habbab, M. Kavehrad, C. W. Sundberg, "Protocols for very high-speed optical fiber local area network using passive star topology," J. Lightw. Technol. LT-5, 1782-1794 (1987).

N. Mehravari, "Performance and protocol improvements for very high speed optical fiber local area networks using a passive star topology," J. Lightw. Technol. 8, 520-530 (1990).

H. M. H. Shalaby, "Optical CDMA random access protocols with and without pretransmission coordination," J. Lightw. Technol. 21, 2455-2462 (2003).

H. M. H. Shalaby, "Performance analysis of an optical CDMA random access protocol," J. Lightw. Technol. 22, 1233-1241 (2004).

Proc. IEEE (1)

N. Abramson, "Multiple access in wireless digital networks," Proc. IEEE 82, 1360-1370 (1994).

Other (3)

J. Muchenheim, D. Hampicke, "Protocols for optical CDMA local area networks," Proc. NOC (1997) pp. 255-262.

M. A. A. Mohamed, H. M. H. Shalaby, E.-S. A. El-Badawy, "Variable-size sliding window optical CDMA MAC protocol," Proc. 46th IEEE Int. MWSCAS (2003) pp. 496-500.

H. M. H. Shalaby, "A proposal of an optical CDMA random access protocol," Proc. IEEE ICC (2004) pp. 1709-1713.

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