Journal Article

·2003

Performance of turbo decoding for time-varying multipath channels

Ersin Göse , Kenan Büyükatak , Onur Osman , Osman N. Uçan , Halit Pastaci YTU

Abstract

In this paper, the performance of turbo coded signals are investigated over a new channel model, denoted as wide-sense stationary uncorrelated scattering (WSSUS) multipath channel. Digital transmission through WSSUS channel model with additive white Gaussian noise (AWGN) introduced at the receiver. For observing the performance of the turbo decoder, COST207 (COoperation in the field of Science & Technology, Project #207) models (statistical channel models) based on WSSUS channel model are considered. Before decoding, the inverse filtering applied to equalize the corrupted data. LMS, RLS and Kalman algorithms are used for estimating inverse filter coefficients. Turbo decoder and its efficient implementation are discussed, and simulation results are presented.

Keywords

Additive white Gaussian noise Computer science Algorithm Turbo Decoding methods Channel (broadcasting) Multipath propagation Turbo code Electronic engineering Turbo equalizer Kalman filter Telecommunications Engineering Artificial intelligence Low-density parity-check code

Subject Areas

Advanced Wireless Communication Techniques ·Electrical and Electronic Engineering ·Physical Sciences
Wireless Communication Networks Research ·Computer Networks and Communications ·Physical Sciences
Error Correcting Code Techniques ·Computer Networks and Communications ·Physical Sciences

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