Shi Jianfeng, Pan Wei, Luo Bin, et al. Bit error performance analysis of 2D asynchronous OCDMA systems with double optical hard-limiter[J]. 2008,(2):24-27.
Shi Jianfeng, Pan Wei, Luo Bin, et al. Bit error performance analysis of 2D asynchronous OCDMA systems with double optical hard-limiter[J]. 2008,(2):24-27. DOI: 10.13756/j.gtxyj.2008.02.016.
As optical receivers in 2D asynchronous OCDMA systems are subject to various noise interferences and to Multiple Address Interference(MAI) among the users
optical receivers with double Optical Hard-Limiters(OHL) are used to optimize the system transmission performance.In this paper
the effects of the threshold
the number of users and the incident optical power on the system BER are numerically analyzed.The results show that 2D asynchronous OCDMA systems with double OHL have much lower BER than those with one or no OHL and MAI is almost reduced to zero.