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Correction of error propagation caused by scrambling with subsequent forward error correction
Correction of error propagation caused by scrambling with subsequent forward error correction
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机译:通过加扰和随后的前向纠错来纠正由错误引起的错误传播
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摘要
64/66b encoding (IEEE 802.3ae Standard for 10Gigabit Ethernet) is based on a self-synchronous scrambler which inherently duplicates errors occurring in the transmission line. An error carryover indicator ECI vector is used to correct duplicated errors crossing the codeword boundary and entering into the next codeword. The ECI vector is updated for each codeword C(i) to provide the position of the erroneous bit(s) carried over to the next codeword C(i+1). The codeword C(i+1) is corrected by XOR-ing it with the ECI vector.
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