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Doubly Spread SS/CDMA Signals for GNSS

Vergara, Mariano and Antreich, Feix and Seco, Gonzalo (2011) Doubly Spread SS/CDMA Signals for GNSS. In: Conference proceedings of the fifth European workshop on GNSS signals, GNSS signals 2011 . GNSS signals 2011, Toulouse, Frankreich.

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In this paper we propose a new way of designing a GNSS signal using a Spread-Spectrum-Code-Division- Multiple-Access (SS/CDMA) in which the spreading operation is performed by means of frequency-domain and time-domain signature sequences. Each user is allocated a spreading matrix, which is a key parameter design, as it affects several aspects of the signal performance. In this work we propose a simple optimization strategy for the spreading matrix for either a GNSS pilot signal or a GNSS data channel signal, with the aim of minimising the Multiple-Access-Interference (MAI) and the Peakto- Average-Power-Ratio (PAPR), while at the same time preserving a certain freedom for the spectral shaping of the signal.

Document Type:Conference or Workshop Item (UNSPECIFIED)
Title:Doubly Spread SS/CDMA Signals for GNSS
AuthorsInstitution or Email of Authors
Vergara, MarianoDLR
Antreich, FeixDLR
Seco, GonzaloUniversitat Autonoma de Barcelona (UAB)
Date:9 December 2011
Journal or Publication Title:Conference proceedings of the fifth European workshop on GNSS signals, GNSS signals 2011
Vergara, MarianoDLR
Antreich, FelixDLR
Seco-Granados, GonzaloUAB
Keywords:multicarrier GNSS signals, MC-CDMA, MC-DS-CDMA, PAPR minimization
Event Title:GNSS signals 2011
Event Location:Toulouse, Frankreich
Event Type:international Conference
HGF - Research field:other
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:no assignement
DLR - Program:no assignment
DLR - Research theme (Project):other
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation
Deposited By: Mariano Vergara
Deposited On:11 Apr 2012 08:45
Last Modified:11 Apr 2012 08:45

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