Patent ID: 6323788
Filing Date: 2001-11-27
Classification: H03M

Abstract:
A serial concatenated convolutional code (SCCC) encoder comprising:a first encoder for encoding input information to output serial coded symbols, said serial coded symbols having an effective free distance; an interleaver having a memory with m row groups and n column groups, said memory for storing said serial coded symbols in the groups, said interleaver for randomly selecting one of the m row groups, and for randomly selecting one of the symbols stored in said selected one of the m row groups so as to generate interleaved symbols; anda second encoder for encoding the interleaved symbols from the interleaver;wherein a number of the serial input symbols is k, the m row groups and the n column groups in the memory are such that m.times.n.gtoreq.k, and m is larger than the effective free distance.