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- W4248565009 abstract "AbstractIn this chapter, uplink multicarrier direct-sequence/slow-frequency-hopping (MC DS/SFH) CDMA systems are proposed, in which multiple carriers are modulated by the same DS waveform and hopped in frequency according to a random hopping pattern. The receiver dehops the received signal with the same pattern, provides RAKE receivers for each carrier and combines the outputs with a maximal ratio combiner (MRC). The performance of the proposed system is investigated over a frequency selective Rayleigh fading channel and compared to that of the MC DS-CDMA systems. It is shown that for the same diversity order, the MC DS/SFH-CDMA systems are superior in reducing multiple access interference (MAI) while preserving the good capability of narrowband interference suppression, when the system parameters are selected properly.KeywordsCDMAMulticarrier SystemsNarrowband Interference suppression" @default.
- W4248565009 created "2022-05-12" @default.
- W4248565009 date "2005-12-10" @default.
- W4248565009 modified "2023-10-14" @default.
- W4248565009 title "Uplink Multicarrier DS/SFH-CDMA" @default.
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- W4248565009 doi "https://doi.org/10.1007/0-306-46999-5_9" @default.
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