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Parkinson, W. Bradford, Jr. Spilker and J. James, Global Positioning System: Theory and Applications- vol 1. Published by the American Institute of Aeronautics and Astronautics, Inc. Hopfield model.

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• TITLE: Digital Radio Broadcasting for Community Radios Using Pseudo-random Codes

  AUTHORS: Fabrício de Araújo Carvalho, Fernando Walter

  KEYWORDS: Digital Radio Broadcasting; Software Defined Radio; Spectral Efficiency; Trilateration Positioning

  JOURNAL NAME: Communications and Network, Vol.5 No.3C, November 12, 2013

  ABSTRACT: This paper aims to present a digital radio broadcasting system that explores the advantages of pseudo-random codes. In this context, a transmitter and its dual receiver are able to reuse frequency spectrum bands without interfering on other existing communication systems. It is proposed a communication system that allows radio broadcasting with the following characteristics: lower transmission power, new communication channels and digital signal processing techinques to add positioning services in two dimensions.