Abstract
In this paper we investigate the effect of chip synchronization error (or chip timing jitter) in multi-carrier code division multiple access (MC-CDMA) schemes for indoor environments. We model the chip timing jitter as a stationary random process with a known statistic and the error produced by chip timing jitter as an additive noise source. We evaluate the spectral density of this noise and we show that it can be split into two uncorrelated components. These results are important because they allow us to use an analytical or semi-analytical formula for the error probability evaluation. This is helpful, because the simulation of a MC-CDMA system is complex and time consuming. To mitigate the effect of chip synchronization error, a time diversity technique (average diversity combining) is suggested.
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