Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2002-12-04
2008-12-09
Tu, Christine T (Department: 2117)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
C714S790000, C375S261000
Reexamination Certificate
active
07464324
ABSTRACT:
A method of digital audio broadcasting comprises the steps of providing a plurality of bits of digital information to be transmitted, forward error correcting the bits of digital information using a combination of pragmatic trellis code modulation and complementary punctured code, and transmitting the bits of digital information. The step of forward error correcting the bits of digital information can comprise the steps of representing the bits as independently coded in-phase and quadrature signals, applying a first error correcting code to the in-phase signals, and applying a second error correcting code to the quadrature signals. The bits of digital information can be arranged in a plurality of partitions of code, wherein first and second ones of the partitions do not overlap, a third one of the partitions overlaps a first portion of the first and second partitions, and a fourth one of the partitions overlaps a second portion of the first and second partitions. Apparatus for transmitting and receiving digital audio broadcasting signals in accordance with the above method are also provided.
REFERENCES:
patent: 3488445 (1970-01-01), Chang
patent: 4379947 (1983-04-01), Warner
patent: 4425642 (1984-01-01), Moses et al.
patent: 4534054 (1985-08-01), Maisel
patent: 6944803 (2005-09-01), Hunt
El-Dinary Ashruf
Kroeger Brian William
Pickholtz Raymond L.
Vojcic Branimir
iBiquity Digital Corporation
Lenart, Esq. Robert P.
Pietragallo Gordon Alfano Bosick & Raspanti, LLP
Tu Christine T
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