JP6920307B2 - 波形ベースのデータインテグリティチェックおよびエラー訂正 - Google Patents
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0047—Decoding adapted to other signal detection operation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0052—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables
- H04L1/0053—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables specially adapted for power saving
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
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- H—ELECTRICITY
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- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
- H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
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- H—ELECTRICITY
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- H04L5/003—Arrangements for allocating sub-channels of the transmission path
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- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
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Description
本願は、2015年12月31日に出願された米国特許仮出願第62/273,966号明細書の利益を主張し、その内容は参照により本明細書に組み込まれる。
M22u=c 式(1)
UW−EC波形は、UW−EC波形コンポーネントまたは機能526によって、送信信号528として送られるように生成され得る。
M22u=c 式(2)
UW−EC波形は、UW−EC波形コンポーネントまたは機能722によって生成され、送信信号724として通信され得る。
M22u=c 式(3)
UW−EC波形は、UW−EC波形コンポーネントまたは機能922によって生成され、送信信号924として通信され得る。
送信機402によって生成されるものなどUW−DFT−s−OFDM信号は、
式(8)の最初の2項M21d+M22sは、テール抑制演算を表し得、式(8)の第3の項M22uは、UW−ECシーケンスがいかに生成されるかを表し得る。M22が完全行列、たとえばNtail≦Nrである場合、ベクトルuを介する任意のUWシーケンスが生成され得る。さらに、UW−ECシーケンスは、M22uまたはcによって生成され得る。
M22ui=ci、ただしi=1,2,...M 式(11)
K=2N 式(16)
UW−ECコードブックサイズは、Kに設定され得る。
Claims (7)
- 無線送受信ユニット(WTRU)であって、
ソース符号化データからチャネル符号化信号を生成する手段と、
前記チャネル符号化信号のシステマティックビットからエラーチェック(EC)ビットを生成する手段であって、前記ECビットに基づいて、ユニークワードエラーチェック(UW−EC)コードワードがUW−ECコードブックから選択される、生成する手段と、
UW−ECシーケンスからUW−EC波形を生成する手段であって、前記UW−ECシーケンスは、前記UW−ECコードワード、前記チャネル符号化信号の前記システマティックビットおよび前記チャネル符号化信号のパリティビットに基づいて生成される、生成する手段と、
前記UW−EC波形を送信する手段と
を備えたことを特徴とするWTRU。 - 無線送受信ユニット(WTRU)であって、
ユニークワード−エラーチェック(UW−EC)符号化信号を受信する手段であって、前記UW−EC符号化信号は符号化データを含む、受信する手段と、
前記UW−EC符号化信号から、UW−ECコードワードおよびエラーチェック(EC)ビットを検出する手段と、
プリデコーダデータチェックを使用して、前記UW−EC符号化信号の前記ECビットに基づいて、および、前記UW−EC符号化信号のシステマティックビットおよびパリティビットに基づいて、エラーをチェックする手段と、
エラーが前記プリデコーダデータチェックによって検出されないことを条件に、エラーのないデータであることを示している信号を、チャネル復号なしのデコーダへ伝える手段と、
エラーが前記プリデコーダデータチェックによって検出されたことを条件に、エラーのあるデータであることを示している他の信号をチャネルデコーダへ伝える手段と
を備えたことを特徴とするWTRU。 - 追加のエラーチェックが前記チャネルデコーダのチャネル復号化データに対して実行されることを特徴とする請求項2に記載のWTRU。
- ポストデコーダECチェックまたは巡回冗長検査(CRC)が前記チャネルデコーダの出力信号に対して実行されることを特徴とする請求項3に記載のWTRU。
- 無線送受信ユニット(WTRU)によって実行される方法であって、
前記WTRUによって、ユニークワード−エラーチェック(UW−EC)符号化信号を受信するステップであって、前記UW−EC符号化信号は符号化データを含んでいる、ステップと、
前記WTRUによって、前記UW−EC符号化信号から、UW−ECコードワードおよびエラーチェック(EC)ビットを検出するステップと、
プリデコーダデータチェックを使用して、前記UW−EC符号化信号の前記ECビットに基づいて、および、前記UW−EC符号化信号のシステマティックビットおよびパリティビットに基づいて、エラーをチェックするステップと、
前記WTRUによって、エラーが前記プリデコーダデータチェックによって検出されないことを条件に、エラーのないデータであることを示している信号をチャネル復号なしのデコーダへ伝えるステップと、
前記WTRUによって、エラーが前記プリデコーダデータチェックによって検出されたことを条件に、エラーのあるデータであることを示している他の信号をチャネルデコーダへ伝えるステップと
を備えることを特徴とする方法。 - 追加のエラーチェックが、前記チャネルデコーダのチャネル復号化データに対して実行されることを特徴とする請求項5に記載の方法。
- ポストデコーダECチェックまたは巡回冗長検査(CRC)が、前記チャネルデコーダの出力信号に対して実行されることを特徴とする請求項6に記載の方法。
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JP2023184687A JP2024001273A (ja) | 2015-12-31 | 2023-10-27 | 波形ベースのデータインテグリティチェックおよびエラー訂正 |
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US201562273966P | 2015-12-31 | 2015-12-31 | |
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PCT/US2016/069390 WO2017117489A1 (en) | 2015-12-31 | 2016-12-30 | Waveform based data integrity check and error correction |
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JP2021121528A Pending JP2021168515A (ja) | 2015-12-31 | 2021-07-26 | 波形ベースのデータインテグリティチェックおよびエラー訂正 |
JP2023184687A Pending JP2024001273A (ja) | 2015-12-31 | 2023-10-27 | 波形ベースのデータインテグリティチェックおよびエラー訂正 |
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JP2023184687A Pending JP2024001273A (ja) | 2015-12-31 | 2023-10-27 | 波形ベースのデータインテグリティチェックおよびエラー訂正 |
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EP (1) | EP3398275B1 (ja) |
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TW (1) | TWI656759B (ja) |
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KR101551831B1 (ko) * | 2015-06-16 | 2015-09-09 | 충남대학교산학협력단 | 순환 중복 검사 장치 및 방법 |
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US20190028237A1 (en) | 2019-01-24 |
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