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Monotonicity of Likelihood Ratio of MAP Correlation Detection for OCDMA Communication

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4 Author(s)
Shaw Wei Kok ; Singapore Inst. of Manuf. Technol., Singapore ; Ying Zhang ; Changyun Wen ; Yeng Chai Soh

In this paper, the monotonicity of the likelihood ratio used in the optimal correlation detection is established for optical code division multiple-access (OCDMA). The monotonicity property not only guarantees the optimality of the detection, it also enables us to calculate the bit-error-rate bounds for OCDMA in the presence of uncertain a priori probabilities.

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Communications, IEEE Transactions on  (Volume:55 ,  Issue: 7 )