Title :
On the tail effect of SOVA-based decoding for turbo codes
Author :
Lin, Lang ; Cheng, Roger S.
Author_Institution :
Dept. of Electr. & Electron. Eng., Hong Kong Univ. of Sci. & Technol., Kowloon, Hong Kong
Abstract :
As a suboptimal decoding algorithm for turbo codes, the soft output Viterbi algorithm (SOVA) has the tail effect which degrades its performance seriously. In this paper, we give a detailed description of the tail effect and provide two new block interleavers to mitigate the performance degradation
Keywords :
Viterbi decoding; concatenated codes; convolutional codes; interleaved codes; SOVA-based decoding; block interleavers; performance degradation; soft output Viterbi algorithm; suboptimal decoding algorithm; tail effect; turbo codes; Bit error rate; Codecs; Degradation; Hardware; Interleaved codes; Iterative decoding; Signal to noise ratio; Tail; Turbo codes; Viterbi algorithm;
Conference_Titel :
Global Telecommunications Conference, 1997. GLOBECOM '97., IEEE
Conference_Location :
Phoenix, AZ
Print_ISBN :
0-7803-4198-8
DOI :
10.1109/GLOCOM.1997.638409
