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Design and performance analysis of turbo codes employing the variable-sized interleaver  

Lee, Chang-Woo (가톨릭대학교 컴퓨터전자공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.28, no.2A, 2003 , pp. 86-95 More about this Journal
Abstract
With the advent of future mobile communication systems, the wireless transmission of the huge amount of multimedia data over the error-prone multipath fading channel has to overcome the inherent sensitivity to channel errors. To alleviate the effect of the channel errors, hosts of techniques based on the forward error correction(FEC) has been proposed at the cost of overhead rate. Among the FEC techniques, turbo code, whose performance has been shown to be very close to the Shannon limit, can be classified as a block-based error correction code. In this paper, considering the variable packet size of the multimedia data, we analyzed turbo codes employing the variable-sized interleaver. The effect of the various parameters on the BER performance is analyzed. We show that the turbo codes can be used as efficient error correction codes of multimedia data.
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