Performance Analysis of Log-map, SOVA and Modified SOVA Algorithm for Turbo Decoder | Zendy

Mohammad Salim | Zendy; Rajendra Yadav | Zendy; S.Ravi kanth | Zendy

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Performance Analysis of Log-map, SOVA and Modified SOVA Algorithm for Turbo Decoder

Author(s) -

Mohammad Salim,

Rajendra Yadav,

S.Ravi kanth

Publication year - 2010

Publication title -

international journal of computer applications

Language(s) - English

Resource type - Journals

ISSN - 0975-8887

DOI - 10.5120/1428-1924

Subject(s) - computer science , turbo , turbo equalizer , turbo code , algorithm , decoding methods , error floor , low density parity check code , automotive engineering , engineering

this paper we analyze the BER performance of the log-map and SOVA decoding algorithms for turbo codes over the AWGN and the fading channels, the Rayleigh, the Rician and the Nakagami-m. Also a modification to the SOVA algorithm is proposed to improve its BER performance. Simulation results show that with the proposed modification to the SOVA the BER performance of SOVA is improved. Simulations were done using MATLAB.

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