Carvalho, F. A. and F. Walter, “Receptor GPS por Software em Tempo Real. Parte II: Correlator”, The annals of 12th Meeting of Undergraduate and Graduate Research of ITA – XII ENCITA / 2006, S?o José dos Campos, SP, Brasil, out., 16 a 19.

has been cited by the following article:

• TITLE: Modulation for Digital Radio Broadcasting Using Amplitude Autocorrelation of Pseudo Random Noise Codes to Carry Information

  AUTHORS: Fabrício de Araújo Carvalho, Fernando Walter

  KEYWORDS: Digital Radio Broadcasting; Spectral Efficiency; Pseudo Random Codes; CDMA; SDR

  JOURNAL NAME: Communications and Network, Vol.5 No.3C, November 7, 2013

  ABSTRACT: The frequency bands used in mobile communications are allocated according to the type of application. With the need for more channels, the frequency spectrum has become a scarce natural resource. This study shows the results of a proposed modulation using a variation of the autocorrelation of pseudo-random codes to carry information. The work also presents the generation of multiple orthogonal axes to increase the bit rate thus improving the channel efficiency.