Method and apparatus for multicarrier communication
DC CAFC
First Claim
Patent Images
1. A transmission apparatus comprising:
- a coding section configured to encode first data and second data; and
a mapping section configured to map the encoded first data to symbols in a first part of a domain comprising a time index and a frequency index, and the encoded second data to groups of symbols in a second part of the domain, wherein;
at least a part of the encoded first data is mapped to at least a part of the symbols in the first part of the domain in an increasing order according to the frequency index;
at least a part of the encoded second data is mapped to at least a part of the groups of symbols in the second part of the domain and each group of the at least a part of the groups of symbols is aligned in an increasing order according to the time index; and
each symbol within each of the groups of symbols is aligned along the frequency index.
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Abstract
A multicarrier communication method and a multicarrier communication apparatus used for the method for adjusting the arrangement in code block units according to the actual reception state of the multicarrier signal, when arranging code blocks generated through error correcting coding processing not only in the time axis direction but also in the frequency axis direction in order to improve an error correction rate of a multicarrier signal.
11 Citations
44 Claims
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1. A transmission apparatus comprising:
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a coding section configured to encode first data and second data; and a mapping section configured to map the encoded first data to symbols in a first part of a domain comprising a time index and a frequency index, and the encoded second data to groups of symbols in a second part of the domain, wherein; at least a part of the encoded first data is mapped to at least a part of the symbols in the first part of the domain in an increasing order according to the frequency index; at least a part of the encoded second data is mapped to at least a part of the groups of symbols in the second part of the domain and each group of the at least a part of the groups of symbols is aligned in an increasing order according to the time index; and each symbol within each of the groups of symbols is aligned along the frequency index. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A reception apparatus comprising:
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a receiving section configured to receive encoded first data which is mapped to symbols in a first part of a domain comprising a time index and a frequency index, and encoded second data which is mapped to groups of symbols in a second part of the domain; and a decoding section configured to decode the encoded first data and the encoded second data, wherein; at least a part of the encoded first data is mapped to at least a part of the symbols in the first part of the domain in an increasing order according to the frequency index; at least a part of the encoded second data is mapped to at least a part of the groups of symbols in the second part of the domain and each group of the at least a part of the groups of symbols is aligned in an increasing order according to the time index; and each symbol within each of the groups of symbols is aligned along the frequency index. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A transmission method comprising:
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encoding first data and second data; and mapping the encoded first data to symbols in a first part of a domain comprising a time index and a frequency index, and the encoded second data to groups of symbols in a second part of the domain, wherein; at least a part of the encoded first data is mapped to at least a part of the symbols in the first part of the domain in an increasing order according to the frequency index; at least a part of the encoded second data is mapped to at least a part of the groups of symbols in the second part of the domain and each group of the at least a part of the groups of symbols is aligned in an increasing order according to the time index; and each symbol within each of the groups of symbols is aligned along the frequency index. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A reception method comprising:
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receiving encoded first data which is mapped to symbols in a first part of a domain comprising a time index and a frequency index, and encoded second data which is mapped to groups of symbols in a second part of the domain; and decoding the encoded first data and the encoded second data, wherein; at least a part of the encoded first data is mapped to at least a part of the symbols in the first part of the domain in an increasing order according to the frequency index; at least a part of the encoded second data is mapped to at least a part of the groups of symbols in the second part of the domain and each group of the at least a part of the groups of symbols are aligned in an increasing order according to the time index; and each symbol within each of the groups of symbols is aligned along the frequency index. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A transmission apparatus comprising:
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a coding section configured to encode first data and second data; and a mapping section configured to map the encoded first data to symbols in a first part of a domain and the encoded second data to symbols in a second part of the domain, wherein; the first part of the domain and the second part of the domain each comprise a time index and a frequency index; at least a part of the encoded first data and at least a part of the encoded second data are mapped to symbols along the frequency indices of the first part of the domain and the second part of the domain, respectively, in an increasing order, and when the mapping exceeds a predetermined number of symbols along the frequency indices, a next part of the encoded first data and a next part of the encoded second data are then mapped along the frequency indices of the first part of the domain and the second part of the domain, respectively, in an increasing order, to symbols where the time indices are increased by one compared to the previous mapping; and the predetermined number of symbols for the encoded first data and the encoded second data is different. - View Dependent Claims (42)
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43. A reception apparatus comprising:
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a receiving section configured to receive encoded first data which is mapped to symbols in a first part of a domain and encoded second data which is mapped to symbols in a second part of the domain; and a decoding section configured to decode the encoded first data and the encoded second data, wherein; the first part of the domain and the second part of the domain each comprise a time index and a frequency index; at least a part of the encoded first data and at least a part of the encoded second data are mapped to symbols along the frequency indices of the first part of the domain and the second part of the domain, respectively, in an increasing order, and when the mapping exceeds a predetermined number of symbols along the frequency indices, a next part of the encoded first data and a next part of the encoded second data are then mapped along the frequency indices of the first part of the domain and the second part of the domain, respectively, in an increasing order, to symbols where the time indices are increased by one compared to the previous mapping; and the predetermined number of symbols for the encoded first data and the encoded second data is different. - View Dependent Claims (44)
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Specification
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Litigation Data
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Current AssigneeOptis Wireless Technology, LLC (Brevet Capital)
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Original AssigneePanasonic Corporation (Panasonic Holdings Corporation)
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InventorsCheng, Jun, Miyoshi, Kenichi
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Primary Examiner(s)Torres, Juan A
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Application NumberUS12/901,220Publication NumberTime in Patent Office627 DaysField of Search375/260US Class Current375/260CPC Class CodesH04L 1/0006 by adapting the transmissio...H04L 1/0009 by adapting the channel cod...H04L 1/0026 Transmission of channel qua...H04L 1/0041 Arrangements at the transmi...H04L 1/0059 Convolutional codesH04L 1/0066 Parallel concatenated codesH04L 27/2602 Signal structure
