Abstract
A signal transmission apparatus in a communication system is disclosed. A channel interleaver generates an interleaved vector by channel-interleaving a Low Density Parity Check (LDPC) codeword according to a channel interleaving rule, and a modulator generates a modulation symbol by modulating the interleaved vector according to a modulation scheme. The channel interleaving rule is one of a first channel interleaving rule and a second channel interleaving rule. The first channel interleaving rule is a rule for setting degree distribution for nodes in a factor graph of the LDPC codeword separately for individual levels supported by the modulation scheme. The second channel interleaving rule is a rule for allowing coded bits included in the LDPC codeword to be interleaved according to an unequal error characteristic of the modulation scheme.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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5G | 31/12/2019 | ISLD-201912-089 | SAMSUNG |
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US2007283216A1 | 5G | 31/12/2019 | ISLD-201912-089 | SAMSUNG |
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KR100987692B1 | 5G | 31/12/2019 | ISLD-201912-089 | SAMSUNG |
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KR20070112327A | 5G | 31/12/2019 | ISLD-201912-089 | SAMSUNG |
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.