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A Unified Approach to Serial Search Spread-Spectrum Code Acquisition - Part I: General Theory

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2 Author(s)
A. Polydoros ; University of Southern California,LA, CA, USA ; C. Weber

The purpose of this two-part paper is threefold: 1) Part I discusses the code-acquistion problem in some depth and 2) also provides a general extension to the approach of analyzing serial-search acquisition techniques via transform-domain flow graphs; 3) Part II illustrates the applicability of the proposed theoretical framework by evaluating a matchedfilter (fast-decision rate) noncoherent acquisition receiver as an example. The theory is formulated in a general manner which allows for significant freedom in the receiver modeling. The statistics of the acquisition time for the single-dwell [2], [3] and N -dwell [5] systems are shown to be special cases of this unified approach.

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IEEE Transactions on Communications  (Volume:32 ,  Issue: 5 )