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.
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Technologies
Signal Processing
Product
Use Cases
Wireless communication
Services
Claim
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.', '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.
2. The transmission apparatus according to claim 1, wherein a number of symbols along the frequency index for the first part of the domain and for the groups of symbols in the second part of the domain is different.
3. The transmission apparatus according to claim 1, wherein a number of symbols in the first part of the domain is greater than a number of symbols within each of the groups of symbols.
4. The transmission apparatus according to claim 1, wherein a number of symbols for the encoded second data is configured to be changed at a predetermined interval.
5. The transmission apparatus according to claim 1, wherein the first part of the domain to which the encoded first data is mapped and the second part of the domain to which the encoded second data is mapped are allocated continuously according to the time index.
6. The transmission apparatus according to claim 1, wherein at least a part of the encoded first data is not continuously mapped to the symbols in the first part of the domain.
7. The transmission apparatus according to claim 1, wherein at least a part of the encoded second data is not continuously mapped to each symbol within each of the groups of symbols aligned along the frequency index.
8. The transmission apparatus according to claim 1, wherein said coding section carries out turbo coding or convolutional coding for each of the first data and the second data.
9. The transmission apparatus according to claim 1, wherein said coding section carries out error correcting coding for the first data and the second data, and said mapping section maps each of the encoded first data and the encoded second data depending on characteristics of the error correcting coding
10. The transmission apparatus according to claim 1, wherein the mapping of the at least a part of the second data to at least a part of the groups of symbols in the second part of the domain is performed in increasing order according to the time index
11. A reception apparatus comprising:
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.', '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
12. The reception apparatus according to claim 11, wherein a number of symbols along the frequency index for the first part of the domain and for the groups of symbols in the second part of the domain is different
13. The reception apparatus according to claim 11, wherein a number of symbols in the first part of the domain is greater than a number of symbols within each of the groups of symbols
14. The reception apparatus according to claim 11, wherein a number of symbols for the encoded second data is configured to be changed at a predetermined interval
15. The reception apparatus according to claim 11, wherein the first part of the domain to which the encoded first data is mapped and the second part of the domain to which the encoded second data is mapped are allocated continuously according to the time index
16. The reception apparatus according to claim 11, wherein at least a part of the encoded first data is not continuously mapped to the symbols in the first part of the domain
17. The reception apparatus according to claim 11, wherein at least a part of the encoded second data is not continuously mapped to each symbol within each of the groups of symbols aligned along the frequency index
18. The reception apparatus according to claim 11, wherein said receiving section receives the encoded first data and the encoded second data, which are encoded with turbo coding or convolutional coding
19. The reception apparatus according to claim 11, wherein said receiving section receives the encoded first data and the encoded second data, which are encoded with error correcting coding, and the encoded first data and the encoded second data are mapped depending on characteristics of the error correcting coding.
20. The reception apparatus according to claim 11, wherein the mapping of the at least a part of the second data to at least a part of the groups of symbols in the second part of the domain is performed in increasing order according to the time index.
21. A transmission method comprising:
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.', '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.
22. The transmission method according to claim 21, wherein a number of symbols along the frequency index for the first part of the domain and for the groups of symbols in the second part of the domain is different.
23. The transmission method according to claim 21, wherein a number of symbols in the first part of the domain is greater than a number of symbols within each of the groups of symbols.
24. The transmission method according to claim 21, wherein a number of symbols for the encoded second data is configured to be changed at a predetermined interval.
25. The transmission method according to claim 21, wherein the first part of the domain to which the encoded first data is mapped and the second part of the domain to which the encoded second data is mapped are allocated continuously according to the time index.
26. The transmission method according to claim 21, wherein at least a part of the encoded first data is not continuously mapped to the symbols in the first part of the domain.
27. The transmission method according to claim 21, wherein at least a part of the encoded second data is not continuously mapped to each symbol within each of the groups of symbols aligned along the frequency index.
28. The transmission method according to claim 21, wherein said encoding is turbo coding or convolutional coding for each of the first data and the second data.
29. The transmission method according to claim 21, wherein said encoding is error correcting coding for the first data and the second data, and said mapping is mapping each of the first encoded data and the second encoded data depending on characteristics of the error correcting coding.
30. The transmission method according to claim 21, wherein the mapping of the at least a part of the second data to at least a part of the groups of symbols in the second part of the domain is performed in increasing order according to the time index.
31. A reception method comprising:
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.', '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.
32. The reception method according to claim 31, wherein a number of symbols along the frequency index for the first part of the domain and for the groups of symbols in the second part of the domain is different.
33. The reception method according to claim 31, wherein a number of symbols in the first part of the domain is greater than a number of symbols within each of the groups of symbols.
34. The reception method according to claim 31, wherein a number of symbols for the encoded second data is configured to be changed at a predetermined interval.
35. The reception method according to claim 31, wherein the first part of the domain to which the encoded first data is mapped and the second part of the domain to which the encoded second data is mapped are allocated continuously according to the time index.
36. The reception method according to claim 31 wherein at least a part of the encoded first data is not continuously mapped to the symbols in the first part of the domain.
37. The reception method according to claim 31, wherein at least a part of the encoded second data is not continuously mapped to each symbol within each of the groups of symbols aligned along the frequency index.
38. The reception method according to claim 31, wherein said receiving comprises receiving the encoded first data and the encoded second data, which are encoded with turbo coding or convolutional coding.
39. The reception method according to claim 31, wherein said receiving comprises receiving the encoded first data and the encoded second data, which are encoded with error correcting coding, and the encoded first data and the encoded second data are mapped depending on characteristics of the error correcting coding.
40. The reception method according to claim 31, wherein the mapping of the at least a part of the second data to at least a part of the groups of symbols in the second part of the domain is performed in increasing order according to the time index.
41. 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 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.', '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.
42. The transmission apparatus according to claim 41, wherein the predetermined number of symbols is predetermined according to third data.
43. A reception apparatus comprising:
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.', '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.
44. The reception apparatus according to claim 43, wherein the predetermined number of symbols is predetermined according to third data.']
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