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Performance of Block Turbo Codes in a HIPERLAN/2 Office Environment
Nadine CHAPALAIN Nathalie Le HENO Damien CASTELAIN Ramesh Mahendra PYNDIAH
IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Signals, Systems and Electronics Technology)
Category: Digital Transmission
turbo code, iterative decoding, product codes, HIPERLAN/2, WLAN,
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In this paper, the iterative decoding of BCH product codes also called Block Turbo Codes (BTC) is evaluated for the HIPERLAN/2 OFDM system. Simulations show that expurgated BCH codes should be chosen as constituent codes in order to outperform the specified convolutional code. We also show that the bit-by-bit frequency interleaver has a big impact on the behaviour of the turbo decoding process and that increasing its size together with time diversity lead to good performance when compared to the convolutional code.