Incremental redundancy with resegmentation
First Claim
Patent Images
1. A method comprising:
- receiving from a transmitter a first transmission and deriving first received bits from the first transmission, the transmitter having (i) segmented a first content block from digital content according to a first block segmentation scheme, (ii) encoded the first content block to produce first channel bits therefrom, and (iii) caused all or a portion of the first channel bits to be communicated over radio frequency channels, thus resulting in the first transmission;
after receiving said first transmission, receiving from the transmitter a second transmission and deriving second received bits from the second transmission, the transmitter having (i) segmented a second content block from the digital content according to a second block segmentation scheme, (ii) encoded the second content block to produce second channel bits therefrom, and (iii) caused all or a portion of the second channel bits to be communicated over radio frequency channels, thus resulting in the second transmission;
combining into combined bits a subset of the first received bits and a subset of the second received bits; and
providing to a decoder, together with the combined bits, those of the first received bits that were not combined,wherein the second block segmentation scheme differs from the first block segmentation scheme,wherein the first content block is not identical to the second content block,wherein a substring in the first content block is identical to a substring in the second content block, andwherein the first received bits that are combined into the combined bits relate to particular bits of the substring in the first content block, and the second received bits that are combined into the combined bits relate to the same particular bits of the substring in the second content block.
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Abstract
Different transmissions based on different content blocks which were segmented from the same digital content according to different segmentation schemes, where each of the content blocks has any substring in common with at least one of the other content blocks, are received by a receiving radio communication station, for example a mobile telephone or a mobile network base station. Certain encoded received bits derived from different ones of the transmissions are combined into combined bits. Other encoded received bits derived from one or more of the different transmissions are provided together with the combined bits to a decoder.
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Citations
30 Claims
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1. A method comprising:
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receiving from a transmitter a first transmission and deriving first received bits from the first transmission, the transmitter having (i) segmented a first content block from digital content according to a first block segmentation scheme, (ii) encoded the first content block to produce first channel bits therefrom, and (iii) caused all or a portion of the first channel bits to be communicated over radio frequency channels, thus resulting in the first transmission; after receiving said first transmission, receiving from the transmitter a second transmission and deriving second received bits from the second transmission, the transmitter having (i) segmented a second content block from the digital content according to a second block segmentation scheme, (ii) encoded the second content block to produce second channel bits therefrom, and (iii) caused all or a portion of the second channel bits to be communicated over radio frequency channels, thus resulting in the second transmission; combining into combined bits a subset of the first received bits and a subset of the second received bits; and providing to a decoder, together with the combined bits, those of the first received bits that were not combined, wherein the second block segmentation scheme differs from the first block segmentation scheme, wherein the first content block is not identical to the second content block, wherein a substring in the first content block is identical to a substring in the second content block, and wherein the first received bits that are combined into the combined bits relate to particular bits of the substring in the first content block, and the second received bits that are combined into the combined bits relate to the same particular bits of the substring in the second content block. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method comprising:
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receiving from a transmitter a first transmission and deriving first received bits from the first transmission, the transmitter having (i) segmented a first content block from digital content according to a first block segmentation scheme, (ii) encoded the first content block to produce first channel bits therefrom, and (iii) caused all or a portion of the first channel bits to be communicated over radio frequency channels, thus resulting in the first transmission; receiving from the transmitter a second transmission and deriving second received bits from the second transmission, the transmitter having (i) segmented a second content block from the digital content according to a second block segmentation scheme, (ii) encoded the second content block to produce second channel bits therefrom, and (iii) caused all or a portion of the second channel bits to be communicated over radio frequency channels, thus resulting in the second transmission; combining into combined bits a subset of the first received bits and a subset of the second received bits; and providing to a decoder, together with the combined bits, those of the second received bits that were not combined, wherein the second block segmentation scheme differs from the first block segmentation scheme, wherein the first content block is not identical to the second content block, the first content block is not wholly contained in the second content block, and the second content block is not wholly contained in the first content block, wherein a substring in the first content block is identical to a substring in the second content block, and wherein the first received bits that are combined into the combined bits relate to particular bits of the substring in the first content block, and the second received bits that are combined into the combined bits relate to the same particular bits of the substring in the second content block. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A method comprising:
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receiving from a transmitter a first transmission and deriving first received bits from the first transmission, the transmitter having (i) segmented a first content block from digital content according to a first block segmentation scheme, (ii) encoded the first content block to produce first channel bits therefrom, and (iii) caused all or a portion of the first channel bits to be communicated over radio frequency channels, thus resulting in the first transmission; receiving from the transmitter a second transmission and deriving second received bits from the second transmission, the transmitter having (i) segmented a second content block from the digital content according to a second block segmentation scheme, (ii) encoded the second content block to produce second channel bits therefrom, and (iii) caused all or a portion of the second channel bits to be communicated over radio frequency channels, thus resulting in the second transmission; combining into combined bits a subset of the first received bits and a subset of the second received bits; and providing to a decoder, together with the combined bits, either those of the first received bits that were not combined or those of the second received bits that were not combined, wherein the second block segmentation scheme differs from the first block segmentation scheme, wherein the first content block is not identical to the second content block, the first content block is wholly contained in the second content block, and the complement of the first content block in the second content block is not contiguous in the second content block, wherein a substring in the first content block is identical to a substring in the second content block, and wherein the first received bits that are combined into the combined bits relate to particular bits of the substring in the first content block, and the second received bits that are combined into the combined bits relate to the same particular bits of the substring in the second content block. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification