`Reply to Office Action dated March 27, 2018
`
`Amendments to the Claims:
`
`This listing of claims will replace all prior versions, and listings, of claims in the
`
`application:
`
`Listing of Claims:
`
`1.
`
`(Currently Amended) A turbo equalization device for repeating a turbo
`
`equalization process, including an equalization process and a decoding process, M times on an
`
`input signal, M being an integer equal to or greater than 1, the turbo equalization device
`
`comprising:
`
`equalization circuitry, which in operation, performs the an—equalization process fl
`
` the input signal and a decoding signal U
`
`
`
`control circuitry, which in operation, updates determines-an iteration number N of
`
`th_ea—decoding process for each time the turbo equalization process is performed, them—times
`
`
`
`algeri—thmTN being is—an integer equal to or greater mere—than 1, and
`
`decoding circuitry, which in operation, repeats the perferm-s—a—decoding process—N
`
`eHess—times—erkthe—m4imes—equalizatierkpreeessed—inpm—signal on the equalized signal by the
`
`iteration number N or less and outputs the decoded signal to the equalization circuitpy, wherein:
`
`the decoding processing uses an error correcting code that uses a belief
`
`propagation algorithm.
`
`2.
`
`(Currently Amended) The turbo equalization device according to claim 1,
`
`wherein
`
`
`
`Application No. 15/453,481
`Reply to Office Action dated March 27, 2018
`
`the control circuitry updates determines—the iteration number N of the decoding
`
`process in the Mth time turbo equalization process to Me—PA—ti-mes—eq-u-al-i—zatien—preeessed
`
`input—signal—te—be—a value larger than the iteration number N of the decoding process in the first
`
`time turbo equalization process£eiLene—times—equali—zatien—preeessed—input—signal
`
`3.
`
`(Currently Amended) The turbo equalization deVice according to claim 2
`
`7
`
`wherein
`
`the control circuitry up_dates determines—the iteration number N of the decoding
`
`process to be an increased value for each time the turbo equalization process is repeated—fer—the
`
`
`
`4.
`
`(Currently Amended) The turbo equalization deVice according to claim 2,
`
`wherein
`
`the control circuitry
`
`includes a look-up table (LUT) where the—iteratien—riumbeFm—ellthe
`
`equalization—preeess—and—the iteration number N of the decoding process are related to each
`
`repetition of the turbo equalization process—ether, and
`
`Wdetenni-nes-the iteration number N of the decoding process is
`
`iterated according to the LUT.
`
`5.
`
`(Original) The turbo equalization deVice according to claim 1, wherein
`
`the error correcting code is a low-density parity check (LDPC) code.
`
`6.
`
`(Currently Amended) A turbo equalization method for repeating a turbo
`
`equalization process including an equalization process and a decoding process M times on an
`
`input signal, M being an integer equal to or greater than 1, method comprising:
`
`performing the arr—equalization process on the input signal and a decoding signal
`
`
`
`
`
`Application No. 15/453,481
`Reply to Office Action dated March 27, 2018
`
`
`
`
`updating determining-an iteration number N of th_ea—decoding process for each
`
`time the turbo egualization process is performed—the—m—times—equali—zatierkpreeessed—input—signal
`
`
`
`greater mere-than 1; and
`
`repeating the perfermi—ng—a—decoding process on the egualized signal by the
`
`iteration number N or less and outputting the decoded signal to the egualization process:
`
`wherein:
`
`the decoding process uses an error correcting code that uses a belief
`
`propagation algoritth-OHWWWWWW.
`
`
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