Spectrum of the Product Signal of a PN Code and Its Time-Shared Early and Late Dithering Replica
AuthorWoo, K. T.
AffiliationTRW Defense and Space Systems Group
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AbstractThe spectrum of the product signal of a PN code and its replica offset in time has been analyzed by Gill in . In this paper a more generalized result is obtained. In particular, the spectrum of the product signal of a PN code and its time-shared early and late replica is given as a function of the dithering rate, the magnitude of the dithers (i.e., tau), the code sync error, and the gating function which controls the manner in which time sharing of early and late dithering is accomplished. From this evaluation the effect of PN self-noise on the performance of a direct sequence spread spectrum communication system with taudither code tracking can be quantified.
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