H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 27/34 (2006.01)
Patent
CA 2088062
A block of output symbols is generated, using quadrature amplitude modulation, from a block of input bits. The input bits are processed, using one or more redundant codes having a Hamming distance greater than one, to produce digital words which control the in-phase components and digital words which control the quadrature components of the output symbols. A group of bits generated by a single coding step supplies bits for both types of digital word, thereby enabling that coding step to process simultaneously a larger number of bits than would be the case if separate coding were used for producing the two types of word.
Brownlie John David
Williams Richard Guy Carrington
British Telecommunications Public Limited Company
Gowling Lafleur Henderson Llp
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