Title :
Study on turbo-DFH technique
Author :
Xiaodong, Pei ; Zunwen, He ; Jingming, Kuang
Author_Institution :
Dept. of Electron. Eng., Beijing Inst. of Technol., China
Abstract :
In this paper, we combine the turbo codes with differential frequency hopping (DFH) technique and propose a new turbo-DFH technique. The structure of the turbo-DFH encoder and decoder is given. The modified log-MAP algorithm is addressed, which is used by the turbo-DFH decoder in the iterative decoding process. Simulation results show that the bit error rate (BER) performance of the turbo-DFH system is significantly better than that of the conventional DFH system.
Keywords :
error statistics; iterative decoding; maximum likelihood decoding; turbo codes; BER performance; bit error rate; decoder; differential frequency hopping; encoder; iterative decoding; modified log-MAP algorithm; turbo codes; turbo-DFH technique; Bit error rate; Frequency; Helium; Information science; Iterative algorithms; Iterative decoding; Maximum likelihood decoding; Maximum likelihood detection; Turbo codes; Viterbi algorithm;
Conference_Titel :
Communications, Circuits and Systems, 2005. Proceedings. 2005 International Conference on
Print_ISBN :
0-7803-9015-6
DOI :
10.1109/ICCCAS.2005.1493356
