Research ArticleOpen AccessGoogle Scholar indexed
Digital Radio Broadcasting for Community Radios Using Pseudo-random Codes
Departamento de Telecomunica??es, Instituto Tecnológico de Aeronáutica, S?o José dos Campos, Brazil
Departamento de Telecomunica??es, Instituto Tecnológico de Aeronáutica, S?o José dos Campos, Brazil
- 1 Departamento de Telecomunica??es, Instituto Tecnológico de Aeronáutica, S?o José dos Campos, Brazil
- 2 Departamento de Telecomunica??es, Instituto Tecnológico de Aeronáutica, S?o José dos Campos, Brazil
Communications and Network·Volume 05 (2013)·Pages 374–379·Published 27 September 2013·DOI10.4236/cn.2013.53B2068
Copy link · social · email
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 fol lowing characteristics: lower transmission power, new communication channels and digital signal processing techinques to add positioning services in two dimensions.
KeywordsDigital Radio BroadcastingSoftware Defined RadioSpectral EfficiencyTrilateration Positioning
- J. B. Y. Tsui, Fundamentals of Global Positioning System Receivers, A software approach. Wiley Interscience Publicantion, 2000. doi:10.1002/0471200549
- F. A. Carvalho, Alexandre, B. V. Oliveira and E. F. Walter, “Receptor GPS em Software. In: 25°Simpósio Brasileiro de Telecomunicações – XXV SBrT 2007, Recife, PE, Brasil, set, 03 a 07.
- Carvalho and F. A. e F. Walter, “Receptor GPS por Software em Tempo Real. Parte I: Geraçõo dos Sinais”, Anais do 12O Encontro de Iniciaçõo Científica e Pós-Graduaçõo do ITA – XII ENCITA / 2006, São José dos Campos, SP, Brasil, out., 16 a 19.
- Carvalho and F. A. e F. Walter, “Receptor GPS Por Software em Tempo Real. Parte II: Correlator”, Anais do 12O Encontro de Iniciaçõo Científica e Pós-Graduaçõo do ITA – XII ENCITA / 2006, São José dos Campos, SP, Brasil, out., 16 a 19.
- 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.