Title :
Turbo-detection: a new approach to combat channel frequency selectivity
Author :
Picart, Annie ; Didier, Pierre ; Glavieux, Alain
Author_Institution :
Telecom Bretagne, Brest, France
Abstract :
In this paper, a receiver is proposed to combat intersymbol interference (ISI) generated over a frequency selective channel. The receiver is based on a symbol detector and a channel decoder separated by a deinterleaver. Through an iterative detecting-decoding process, using turbo-codes principle, the so-called turbo-detector manages to overcome frequency selectivity, especially over a Gaussian channel. Simulation results show the turbo-detector efficiency over both Gaussian and GSM channels
Keywords :
Gaussian channels; Rayleigh channels; cellular radio; channel coding; concatenated codes; convolutional codes; decoding; interference suppression; intersymbol interference; iterative methods; land mobile radio; radio receivers; radiofrequency interference; signal detection; GSM channels; Gaussian channel; ISI; channel decoder; channel frequency selectivity; deinterleaver; intersymbol interference; iterative detecting-decoding process; receiver; simulation; symbol detector; turbo-detection; Detectors; Frequency; GSM; Gaussian channels; Intersymbol interference; Iterative decoding; Quadrature phase shift keying; Signal to noise ratio; Telecommunications; Turbo codes;
Conference_Titel :
Communications, 1997. ICC '97 Montreal, Towards the Knowledge Millennium. 1997 IEEE International Conference on
Conference_Location :
Montreal, Que.
Print_ISBN :
0-7803-3925-8
DOI :
10.1109/ICC.1997.595038
