NORM Technique based PAPR Reduction in MC-CDMA Systems
DOI:
https://doi.org/10.5614/itbj.ict.res.appl.2015.9.2.2Abstract
Multicarrier code division multiple access (MC-CDMA) is one of thepromising technologies for future-generation wireless networks. It offers highdata rates, protection against frequency-selective fading and efficient utilizationof the spectrum. The peak to average power ratio (PAPR) is very high in MCCDMAsystems. The partial transmit sequence technique (PTS) and the selectivemapping technique (SLM) reduce the PAPR with more computationalcomplexity. In this study, the NORM technique was used for PAPR reduction inMC-CDMA systems. The performance of NORM was analyzed with PTS andSLM in terms of cumulative complementary distribution, power saving gain,amplifier efficiency, computational complexity and bit error rate. Simulationresults showed that NORM has better PAPR reduction with less computationalcomplexity.
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