Performance analysis of multiple optical orthogonal codes sequences–based optical labels for optical packet switching networks

Abstract

Multiple optical orthogonal codes sequences (MOOCS)-based optical labels for optical packet switching (MOOCS-OPS) were proposed and studied in our previous works. In order to evaluate the performances of the MOOCS-OPS networks resulting from interference of the MOOCSbased optical labels, we utilize a new study method that applies the independent case of multiple optical orthogonal codes to derive the probability function of the MOOCS-OPS networks for the first time. Additionally, the optical label processing time, the utilization efficiency, and the packet loss rate in the MOOCS-OPS networks are also considered. We discuss the performance and efficiency characteristics with a variety of parameters, and compare some characteristics of the system employed by a single optical orthogonal code or MOOCS-based optical labels. The performances of the system are also calculated, and our results verify that the method and the networks are effective. Moreover, it is found that performances of the MOOCS-OPS networks would, negatively, be worsened, compared with the single optical orthogonal code-based optical label for optical packet switching; however, the MOOCS-OPS networks can greatly enlarge the scalability of the optical packet switching networks. C 2011 Society of Photo-Optical Instrumentation Engineers (SPIE).

On experiment and analysis of MOOCS-based optical labels for optical packets switching

“…The receiving unit for single pulse of optical label with widened module and amplifier is shown in Figure 1(c). It is consisted of PIN-TIA, RC widened circuit, multiple amplifier and comparator unit, lastly put into FPGA unit [14] . Where the RC widened circuit is shown in the right of Figure 1(c), we can find receiving optical signal would be charged quickly and discharged slowly to achieve signal widen.…”

Performance enhancement of double hard limited 2D atmospheric OCDMA system using aperture averaging and spatial diversity

“…[6] are given in Appendix. The large cardinality of 2D OCFHC/QCC can also be used for optical labels in optical packet switching networks [19]. The rest of the paper is organised as follows.…”