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Multiple Access Interference (MAI) is the major reason for the system degradation in the Optical Code Division Multiple Access (OCDMA). MAI increases with the number of simultaneous users, resulting in deterioration in the performance and limits the maximum number of simultaneous users. Optical Hard Limiter (OHL) is known to improve the performance of the conventional OCDMA system. However, in the...
Optical parallel interference cancellation (OPIC) is effective technique to reduce the multiple access interference (MAI) in the optical code division multiple access (OCDMA). However, the increasing demands for hardware in the OPIC system results into more complexity, higher processing time and cost. In this paper a new receiver is presented which is based mainly on the optical parallel interference...
Optical code division multiple access multiple (OCDMA) is considered as the strongest candidates for the future ultra-high speed optical networks due to the huge bandwidth offered by the system. However, multiple access interference (MAI) which is originated from other simultaneous users is the major reason for the system degradation in the OCDMA systems. MAI increases with the number of simultaneous...
The need for high speed networks has motivated the telecommunication community to investigate the potential of optical code division multiple access (OCDMA) in local area networks. However, multiple access interference (MAI), which increases with the number of simultaneous users, severely limits the capacity of the system. Optical parallel interference cancellation (OPIC) has been used to reduce the...
Using our in vitro dual chamber-fetal membrane-uterine muscle model, we previously demonstrated that fetal membranes inhibit contractions induced by calcium L-channel activation in rat myometrium. We hypothesize that if the fetal membrane inhibitor were important in maintaining pregnancy, then preterm contractions would be inhibited to a greater extent than term uterine contractions. We used uteri...
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