Method and Apparatus for Signal Processing and Encoding and Decoding Method, and Apparatus Therefor
First Claim
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1. A method of processing a signal, comprising:
- obtaining difference information from the signal;
entropy-decoding the difference information according to an entropy coding scheme including time grouping and frequency grouping; and
data-decoding the entropy-decoded difference information according to a data coding scheme including a pilot difference, a time difference and a frequency difference.
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Abstract
An apparatus for processing a signal and method thereof are disclosed. Data coding and entropy coding are performed with interconnection, and grouping is used to enhance coding efficiency. The present invention includes the steps of obtaining difference information and entropy-decoding the difference information according to an entropy coding scheme including time grouping and frequency grouping and data-decoding the difference information according to a data decoding scheme including a pilot difference, a time difference and a frequency difference.
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Citations
25 Claims
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1. A method of processing a signal, comprising:
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obtaining difference information from the signal; entropy-decoding the difference information according to an entropy coding scheme including time grouping and frequency grouping; and data-decoding the entropy-decoded difference information according to a data coding scheme including a pilot difference, a time difference and a frequency difference. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of processing a signal, comprising the steps of:
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obtaining a digital signal; entropy-decoding the digital signal according to an entropy coding scheme; and data-decoding the entropy-decoded digital signal according to one of a plurality of data coding schemes including at least a pilot coding scheme, wherein the entropy coding scheme is decided according to the data coding scheme. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. An apparatus for processing a signal, comprising:
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a signal obtaining part configured for obtaining a digital signal; an entropy decoding part configured for entropy-decoding the digital signal according to an entropy coding scheme; and a data decoding part configured for decoding the entropy-decoded digital signal according to one of a plurality of data coding schemes including a pilot coding scheme at least, wherein the entropy coding scheme is decided according to the data coding scheme.
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24. A method of processing a signal, comprising the steps of:
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data-encoding a digital signal by a data coding scheme; entropy-encoding the encoded digital signal by an entropy coding scheme; and transferring the entropy-encoded digital signal, wherein the entropy coding scheme is decided according to the data coding scheme.
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25. An apparatus for processing a signal, comprising:
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a data encoding part configured for encoding a digital signal by a data coding scheme; an entropy encoding part configured for entropy-encoding the data-encoded digital signal by an entropy coding scheme; and an outputting part configured for transferring the entropy-encoded digital signal, wherein the entropy coding scheme is decided according to the data coding scheme.
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Specification