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- W2371617615 abstract "A new aspect of carrier frequency offset (CFO) estimation is studied in a frequency-hopping (FH) orthogonal frequency division multiplexing (OFDM) system.Unlike in a traditional nonhopped OFDM system,in FH-OFDM system it is important to verify how accurately frequency-switching must be performed before the CFO estimation can take place with adequate performance.The accuracy of frequency-switching is evaluated through frequency-hopping timing offset (FHO) and frequency-hopping phase offset (PHO) between the received signal and the signal produced by the local frequency-hopping synthesizer of the receiver.The performance of selected autocorrelation algorithms is simulated in multi-path fading channel under the FHO and PHO,and the results are compared with the performance of ideal frequency-switching and the corresponding analytical Cramer-Rao bound.It is found that the CFO estimators based on autocorrelation principle are quite robust to the FHO less than half the hopping period." @default.
- W2371617615 created "2016-06-24" @default.
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- W2371617615 date "2009-01-01" @default.
- W2371617615 modified "2023-09-23" @default.
- W2371617615 title "Sensitivity of autocorrelation frequency offset estimation in a FH-OFDM system" @default.
- W2371617615 hasPublicationYear "2009" @default.
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