Time Hopping Codes for Optical CDMA Applications

J.S.G. Panaro and C. de Almeida (Brazil)


Optical CDMA, unipolar signaling, optical codes, time spreading, performance.


Several code-division multiple access schemes have been proposed for applications in optical communications. Some known codes that have the best auto and cross-correlation properties just supply few distinct sequences, limiting the number of users that can access simultaneously the channel. This paper proposes a new family of unipolar codes that expands the number of available sequences and allows achieving a better bit-error rate performance.

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