Abstract
An ARQ retransmission method in a communication system wherein data packets comprising modulation symbols are retransmitted based on an automatic repeat request and subsequently combined with previously received data packets the symbols of said data packets being modulated by a mapping unit employing a predetermined signal constellation. The retransmitted data packets being retransmitted in form of a selected one of a plurality of different redundancy versions. According to the invention the bits to be transmitted are reordered prior to modulation over the retransmissions in accordance with the selected redundancy version.
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Technologies
Signal Processing
Product
Use Cases
Wireless communication
Services
Claim
1. A transmission apparatus for transmitting data using a HARQ process comprising:
a transmission section that transmits data using one combination of a plurality of combinations, each of the combinations comprising one redundancy version of a plurality of redundancy versions and one constellation version of a plurality of constellation versions, at least one constellation version of the plurality of constellation versions being assigned to more than one of the redundancy versions.', 'a transmission section that transmits data using one combination of a plurality of combinations, each of the combinations comprising one redundancy version of a plurality of redundancy versions and one constellation version of a plurality of constellation versions, at least one constellation version of the plurality of constellation versions being assigned to more than one of the redundancy versions.
2. The transmission apparatus according to claim 1, wherein each of the constellation versions defines at least one of (i) bit positions in a bit sequence comprising a plurality of bits and (ii) logical values of the bits in the bit sequence.
3. The transmission apparatus according to claim 1, wherein the constellation versions are different from each other with respect to at least one of (i) bit positions in a bit sequence comprising a plurality of bits and (ii) a logical value of a bit in the bit sequence.
4. The transmission apparatus according to claim 1, wherein one of the constellation versions is produced by rearranging a bit sequence comprising a plurality of bits.
5. The transmission apparatus according to claim 1, wherein one of the constellation versions is produced by at least one of (i) exchanging a bit with another bit in a bit sequence comprising a plurality of bits and (ii) inverting a logical value of a bit in the bit sequence.
6. The transmission apparatus according to claim 1, wherein one of the constellation versions is produced by, with respect to a bit sequence (i1q1i2q2), one of (i) exchanging i1 and q1 with i2 and q2 and inverting logical values of i1 and q1, (ii) exchanging i1 and q1 with i2 and q2 and (iii) inverting logical values of i2 and q2.
7. The transmission apparatus according to claim 1, further comprising:
a rearranging section that rearranges a bit sequence comprising a plurality of bits according to a constellation version of said one combination, to produce a rearranged bit sequence.', 'a rearranging section that rearranges a bit sequence comprising a plurality of bits according to a constellation version of said one combination, to produce a rearranged bit sequence.
8. The transmission apparatus according to claim 1, further comprising:
a rearranging section that operates to at least one of (i) exchange a bit with another bit in a bit sequence comprising a plurality of bits and (ii) invert a logical value of a bit in the bit sequence.', 'a rearranging section that operates to at least one of (i) exchange a bit with another bit in a bit sequence comprising a plurality of bits and (ii) invert a logical value of a bit in the bit sequence.
9. The transmission apparatus according to claim 1, further comprising:
a rearranging section that operates, with respect to a bit sequence (i1q1i2q2), to at least one of (i) exchange i1 and q1 with i2 and q2 and invert logical values of i1 and q1, (ii) exchange i1 and q1 with i2 and q2 and (iii) invert logical values of i2 and q2.', 'a rearranging section that operates, with respect to a bit sequence (i1q1i2q2), to at least one of (i) exchange i1 and q1 with i2 and q2 and invert logical values of i1 and q1, (ii) exchange i1 and q1 with i2 and q2 and (iii) invert logical values of i2 and q2
10. The transmission apparatus according to claim 7, further comprising:
a mapping section that maps the rearranged bit sequence to 16 QAM by a modulation mapper,
wherein said transmission section thereafter transmits data as the rearranged bit sequence.', 'a mapping section that maps the rearranged bit sequence to 16 QAM by a modulation mapper,', 'wherein said transmission section thereafter transmits data as the rearranged bit sequence
11. The transmission apparatus according to claim 1, wherein said transmission section (i) transmits first data using one of the combinations and (ii) transmits second data using another of the combinations
12. The transmission apparatus according to claim 7, wherein said transmission section (i) transmits first data as the bit sequence before rearranging by the rearranging section and (ii) transmits second data as the rearranged bit sequence
13. A reception apparatus comprising:
a receiving section that receives data transmitted by the transmission apparatus according to claim1.', 'a receiving section that receives data transmitted by the transmission apparatus according to claim1
14. A transmission system comprising:
a transmission apparatus according to claim 1, and a reception apparatus comprising a receiving section that receives data transmitted by said transmission apparatus.', 'a transmission apparatus according to claim 1, and a reception apparatus comprising a receiving section that receives data transmitted by said transmission apparatus
15. A transmission method for transmitting data using a HARQ process comprising:
transmitting data using one combination of a plurality of combinations, each of the combinations comprising one redundancy version of a plurality of redundancy versions and one constellation version of a plurality of constellation versions, at least one constellation version of the plurality of constellation versions being assigned to more than one of the redundancy versions.', 'transmitting data using one combination of a plurality of combinations, each of the combinations comprising one redundancy version of a plurality of redundancy versions and one constellation version of a plurality of constellation versions, at least one constellation version of the plurality of constellation versions being assigned to more than one of the redundancy versions
16. The transmission method according to claim 15, further comprising:
selecting a combination from the plurality of combinations,
wherein said data is transmitted using the selected combination.', 'selecting a combination from the plurality of combinations,', 'wherein said data is transmitted using the selected combination
17. The transmission method according to claim 15, wherein each of the constellation versions defines at least one of (i) bit positions in a bit sequence comprising a plurality of bits and (ii) logical values of the bits in the bit sequence
18. The transmission method according to claim 15, wherein the constellation versions are different from each other with respect to at least one of (i) bit positions in a bit sequence comprising a plurality of bits and (ii) a logical value of a bit in the bit sequence
19. The transmission method according to claim 15, wherein one of the constellation versions is produced by rearranging a bit sequence comprising a plurality of bits.
20. The transmission method according to claim 15, wherein one of the constellation versions is produced by at least one of (i) exchanging a bit with other in a bit sequence comprising a plurality of bits and (ii) inverting a logical value of a bit in the bit sequence.
21. The transmission method according to claim 15, wherein one of the constellation versions is produced by, with respect to a bit sequence (i1q1i2q2), one of (i) exchanging i1 and q1 with i2 and q2 and inverting logical values of i1 and q1, (ii) exchanging i1 and q1 with i2 and q2 and (iii) inverting logical values of i2 and q2.
22. The transmission method according to claim 15, further comprising:
rearranging a bit sequence comprising a plurality of bits according to a constellation version of said one combination, to produce a rearranged bit sequence.', 'rearranging a bit sequence comprising a plurality of bits according to a constellation version of said one combination, to produce a rearranged bit sequence.
23. The transmission method according to claim 15, further comprising:
operating to at least one of (i) exchange a bit with another bit in a bit sequence comprising a plurality of bits and (ii) invert a logical value of a bit in the bit sequence.', 'operating to at least one of (i) exchange a bit with another bit in a bit sequence comprising a plurality of bits and (ii) invert a logical value of a bit in the bit sequence.
24. The transmission method according to claim 15, further comprising:
operating, with respect to a bit sequence (i1q1i2q2), to at least one of (i) exchange i1and q1 with i2 and q2 and invert logical values of i1 and q1, (ii) exchange i1 and q1 with i2 and q2 and (iii) invert logical values of i2 and q2.', 'operating, with respect to a bit sequence (i1q1i2q2), to at least one of (i) exchange i1and q1 with i2 and q2 and invert logical values of i1 and q1, (ii) exchange i1 and q1 with i2 and q2 and (iii) invert logical values of i2 and q2.
25. The transmission method according to claim 22, further comprising:
mapping the rearranged bit sequence to 16 QAM by a modulation mapper,
wherein data is thereafter transmitted as the rearranged bit sequence.', 'mapping the rearranged bit sequence to 16 QAM by a modulation mapper,', 'wherein data is thereafter transmitted as the rearranged bit sequence.
26. The transmission method according to claim 15, wherein first data is transmitted using said one combination, and said method further comprises transmitting second data using another combination of said plurality of combinations.
27. The transmission method according to claim 22, wherein first data is transmitted as the bit sequence prior to the rearranging, and said method further comprises transmitting second data as the rearranged bit sequence.
28. A reception method comprising:
receiving data transmitted by the transmission method according to claim 15.', 'receiving data transmitted by the transmission method according to claim 15.
29. A reception apparatus for receiving data transmitted using a HARQ process comprising:
a receiving section that receives data transmitted using one combination of a plurality of combinations, each of the combinations comprising one redundancy version of a plurality of redundancy versions and one constellation version of a plurality of constellation versions, at least one constellation version of the plurality of constellation versions being assigned to more than one of the redundancy versions.', 'a receiving section that receives data transmitted using one combination of a plurality of combinations, each of the combinations comprising one redundancy version of a plurality of redundancy versions and one constellation version of a plurality of constellation versions, at least one constellation version of the plurality of constellation versions being assigned to more than one of the redundancy versions.
30. The reception apparatus according to claim 29, further comprising:
a demodulating section that demodulates the received data.', 'a demodulating section that demodulates the received data.
31. The reception apparatus according to claim 29, wherein each of the constellation versions defines at least one of (i) bit positions in a bit sequence comprising a plurality of bits and (ii) logical values of the bits in the bit sequence.
32. The reception apparatus according to claim 29, wherein the constellation versions are different from each other with respect to at least one of (i) bit positions in a bit sequence comprising a plurality of bits and (ii) a logical value of a bit in the bit sequence.
33. The reception apparatus according to claim 29, wherein one of the constellation versions is produced by at least one of (i) exchanging a bit with other in a bit sequence comprising a plurality of bits and (ii) inverting a logical value of a bit in the bit sequence.
34. The reception apparatus according to claim 29, further comprising:
a rearranging section that operates to at least one of (i) exchange a bit with another bit in a bit sequence comprising a plurality of bits of the received data and (ii) invert a logical value of a bit in the bit sequence.', 'a rearranging section that operates to at least one of (i) exchange a bit with another bit in a bit sequence comprising a plurality of bits of the received data and (ii) invert a logical value of a bit in the bit sequence.
35. The reception apparatus according to claim 29, wherein said receiving section (i) receives first data transmitted using one of the combinations and (ii) receives second data transmitted using another of the combinations.
36. The reception apparatus according to claim 35, further comprising:
a combining section that combines the first data with the second data.', 'a combining section that combines the first data with the second data.
37. A reception method for receiving data transmitted using a HARQ process comprising:
receiving data transmitted using one combination of a plurality of combinations, each of the combinations comprising one redundancy version of a plurality of redundancy versions and one constellation version of a plurality of constellation versions, at least one constellation version of the plurality of constellation versions being assigned to more than one of the redundancy versions.', 'receiving data transmitted using one combination of a plurality of combinations, each of the combinations comprising one redundancy version of a plurality of redundancy versions and one constellation version of a plurality of constellation versions, at least one constellation version of the plurality of constellation versions being assigned to more than one of the redundancy versions.
38. The reception method according to claim 37, further comprising:
demodulating the received data.', 'demodulating the received data.
39. The reception method according to claim 37, further comprising:
operating to at least one of (i) exchange a bit with another bit in a bit sequence comprising a plurality of bits of the received data and (ii) invert a logical value of a bit in the bit sequence.', 'operating to at least one of (i) exchange a bit with another bit in a bit sequence comprising a plurality of bits of the received data and (ii) invert a logical value of a bit in the bit sequence.
40. The reception method according to claim 37, wherein first data transmitted using said one combination is received, and said method further comprises receiving second data transmitted using another of the combinations.
41. The reception method according to claim 40, further comprising:
combining the first data with the second data.', 'combining the first data with the second data.']
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Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
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