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Optical Engineering • Open Access

Multipolar inserting zeros code and its application in optical code division multiple access systems

Paper Abstract

We proposed the multipolar inserting zeros (MIZ) code for direct-sequence optical code division multiple access (OCDMA) systems. This code is designed to correspond with the judgment based on linear convolution. Simulation results showed that it can provide a lower multiuser interference than the conventional Gold sequence. With the same number of users, the bit error rate in the OCDMA system coded by MIZ can be reduced by several decuples than that coded by Gold, and the source power needed to reach a BER of 1×10-9 can also be reduced by several decibels. So the performance of OCDMA can be improved.

Paper Details

Date Published: 1 February 2007
PDF: 3 pages
Opt. Eng. 46(2) 020501 doi: 10.1117/1.2437123
Published in: Optical Engineering Volume 46, Issue 2
Show Author Affiliations
Ming Xin, Tsinghua Univ. (China)
Xiangfei Chen, Tsinghua Univ. (China)
Yitang Dai, Tsinghua Univ. (China)
Shizhong Xie, Tsinghua Univ. (China)


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