Acta Optica Sinica, Volume. 22, Issue 7, 842(2002)
The Hybrid Direct Sequence/Frequency Hopping Optical CDMA System with FBGs based Encoder/Decoder
A hybrid direct sequence/frequency hopping (DS/FH) scheme is proposed for optical code division multiple access (OCDMA) system. The optical encoder/decoder with prime hop sequence is based on fiber Bragg gratings (FBGs), and double optical hard limiters are placed on both sides of decoder respectively. With such a design, the DS/FH OCDMA system has large number of simultaneous user, high power efficiency and low bit error rate (BER).
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[in Chinese], [in Chinese], [in Chinese]. The Hybrid Direct Sequence/Frequency Hopping Optical CDMA System with FBGs based Encoder/Decoder[J]. Acta Optica Sinica, 2002, 22(7): 842