Turbo code channel reliability for DS/CDMA systems under slow and frequency selective fading and multiple access interference.

Turbo code channel reliability for DS/CDMA systems under slow and frequency selective fading and multiple access interference.

Authors

  • Wagner Okano Universidade Estadual de Londrina
  • Fernando Ciriaco Universidade Estadual de Londrina
  • Taufik Abrão Universidade Estadual de Londrina

DOI:

https://doi.org/10.5433/1679-0375.2008v29n2p139

Keywords:

Channel Reliability, Turbo-Codes, DS/CDMA, Single-user Detection, Multipath Channels.

Abstract

This work analyzes the Turbo and Convolutional codes strategies applied to the single-user detection (SuD) problem in multiple access systems DS/CDMA, in multipath slow Rayleigh channels. In this work, a new equation for the DS/CDMA channel reliability, obtained from Monte Carlo Simulations (MCS), is proposed. Comparison with the literature results and has indicated a superior performance in the high Eb/N0 regions; in other Eb/N0 regions the proposed equation has similar performance than those described in the literature. Additionally, this work makes an analysis of the complexity/memory requirements versus performance of DS/CDMA receivers considering turbo (CDMA2000) and Viterbi (IS-95) decoders.

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Author Biographies

Wagner Okano, Universidade Estadual de Londrina

Engenheiro de Telecomunicações da Sercomtel Celular S.A, Londrina, PR. Atualmente é estudante do programa de mestrado do Departamento de Engenharia Elétrica da Universidade Estadual de Londrina (Deel-uel).  

Fernando Ciriaco, Universidade Estadual de Londrina

Docente do Departamento de Engenharia Elétrica da Universidade Estadual de Londrina - Deel-uel.

Taufik Abrão, Universidade Estadual de Londrina

Docente do Departamento de Engenharia Elétrica da Universidade Estadual de Londrina - Deel-uel.

Published

2008-12-15

How to Cite

Okano, W., Ciriaco, F., & Abrão, T. (2008). Turbo code channel reliability for DS/CDMA systems under slow and frequency selective fading and multiple access interference. Semina: Ciências Exatas E Tecnológicas, 29(2), 139–158. https://doi.org/10.5433/1679-0375.2008v29n2p139

Issue

Section

Original Article

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