Abstract
The present invention provides for applying a cyclic redundancy check (CRC) to a data signal. The present invention includes attaching a first CRC to a first data signal block having a first length segmenting the first data signal block attached with the first CRC into a plurality of second data signal blocks having a length shorter than the first length respectively generating a second CRC for each second data signal block and attaching the generated second CRC to the respective second data signal block. Moreover the first CRC and second CRC may be generated from respectively different CRC generating polynomial equations.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
4G | 03/08/2011 | ISLD-201106-013 | LG | No | Family Member | ||||
4G | 09/07/2015 | ISLD-201507-016 | LG | Yes | Family Member | ||||
4G | 04/11/2016 | ISLD-201610-008 | LG | Yes | Family Member | ||||
4G | 24/07/2018 | ISLD-201807-033 | LG | No | Family Member | ||||
4G | 20/07/2019 | ISLD-201907-034 | LG | Yes | Family Member |
Specification Information
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US2009077446A1 | 4G | 09/07/2015 | ISLD-201507-016 | LG | Yes | Family Member | ||||
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
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Use Cases
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Claim
1. A method for transmitting a signal by a transmitting end device, the method comprising:
attaching a first error checking code having a length �L� to a first type signal block having a length �A� to produce a sequence having a length �B�, wherein �B=A+L�;
segmenting the sequence having the length �B� into one or more second type signal blocks when the length �B� is longer than a predetermined length �Z�, wherein a number �C� of the second type signal blocks corresponds to an integer equal to or greater than �B/(Z?L)�; and
attaching a second type error checking code having the length �L� to each of the second type signal blocks when the length �B� is longer than the predetermined length �Z�.
2. The method of claim 1, further comprising:
channel coding each of the second type CRC attached second type signal blocks, when said segmenting is performed; and
channel coding the sequence having the length �B� when said segmenting is not performed.
3. The method of claim 1, wherein the number �C� of the second type signal blocks corresponds to the smallest integer equal to or greater than the �B/(Z?L)�.
4. The method of claim 1, wherein the first and the second error checking codes are CRC (Cyclic Redundancy Check) codes.
5. The method of claim 4, wherein a first CRC generation polynomial for generating the first CRC code is:
g(x)=x 24 +x 23 +x 6 +x 5 +x+1.
6. The method of claim 5, wherein a second CRC generation polynomial for generating the second CRC code has the same order as the first CRC generation polynomial, but has different terms from those of the first CRC generation polynomial.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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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.
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