Joint Estimator for Acquisition of GNSS Primary and Secondary Code with Pre-correlation Coherent Accumulation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F18%3A00326832" target="_blank" >RIV/68407700:21230/18:00326832 - isvavai.cz</a>
Result on the web
<a href="https://iain2018.org/proceedings/" target="_blank" >https://iain2018.org/proceedings/</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Joint Estimator for Acquisition of GNSS Primary and Secondary Code with Pre-correlation Coherent Accumulation
Original language description
Objective of this contribution is the acquisition algorithm for modern GNSS signals containing secondary codes. This algorithm is usable for a hardware based GNSS signal acquisition unit using the parallel code search (PCS) algorithm. The contribution deals with standard post-correlation methods and focuses on a comparison of methods based on a pre-correlation accumulation of the signal by the Pre-correlation Coherent Accumulation principle (PCA). The aim is a comparison of properties of different types of used zero-padding methods in both pre and post correlation approaches. An extension of a coherent time in front of a PCS-FFT algorithm based unit by help of a pre-correlation processing could considerably reduce a required minimal latency of FFT blocks. A latency time equal to one period of primary code for the post-correlation combining is replaced for a proposed algorithm to a much longer time equal to a period of the secondary code.
Czech name
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Czech description
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Project
<a href="/en/project/TE01020186" target="_blank" >TE01020186: Integrated Satellite and Terrestrial Navigation Technologies Centre</a><br>
Continuities
S - Specificky vyzkum na vysokych skolach

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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