Parallel interference canceller using group information codes

摘要

We propose a parallel interference cancellation technique for two-dimensional optical code division multiple access (OCDMA) system. In the proposed system, we estimate the multiple access interference (MAI) by group information codes. This new interference cancellation technique can be realized with simple structures. Performance analysis shows that it can improve the bit error rate (BER) performance, and increases the number of simultaneous users in the system.