Application of the singular perturbation approach to an all-digital chip timing recovery loop for CDMA systems

Jaime Hasson*, Ben Zion Bobrovsky

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

Abstract

Migration toward full-digital implementations of modems is currently one of the main trends in transmission systems design. In this paper we analyze the performance of a noncoherent all-digital delay lock loop (DDLL) suited for chip timing synchronization in band-limited direct sequence spread spectrum systems. Analytical expressions for the rms jitter and the MTLL are presented and confirmed by a time domain computer simulation. Defining the threshold operating level for the loop as a function of the minimal MTLL the receiver can tolerate allows us to analytically calculate it and project it to a minimal allowable rms jitter value for the loop.

Original languageEnglish
Pages459-462
Number of pages4
StatePublished - 1996
EventProceedings of the 1996 19th Convention of Electrical and Electronics Engineers in Israel - Jerusalem, Isr
Duration: 5 Nov 19966 Nov 1996

Conference

ConferenceProceedings of the 1996 19th Convention of Electrical and Electronics Engineers in Israel
CityJerusalem, Isr
Period5/11/966/11/96

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