JP2017530604A - 波形を生成するためのシステムおよび方法ならびにその利用 - Google Patents
波形を生成するためのシステムおよび方法ならびにその利用 Download PDFInfo
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
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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
- H04L27/26025—Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
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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
- H04L27/2614—Peak power aspects
- H04L27/2615—Reduction thereof using coding
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- 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
- H04L27/2626—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
- H04L27/3411—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power reducing the peak to average power ratio or the mean power of the constellation; Arrangements for increasing the shape gain of a signal set
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
- H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
- H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
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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
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Abstract
Description
210、220、230、240、250、260 コードブック
211〜214、221〜224、231〜234、241〜244、251〜254 コードワード
280 多重化データストリーム
315、505、605 SCMAコードワード
410、412 ゼロ要素
500、600 波形
515、517、519、615、617、619 サブキャリア
700 帯域幅
Claims (22)
- 波形を送信する方法であって、
送信装置によって、通信システムの通信要件を満たすように第1のマルチキャリア波形の第1の多重化パラメータを調整するステップと、
前記送信装置によって、第1の入力ビットブロックおよび第1の変調マップに従って、第1の信号を生成するステップと、
前記送信装置によって、前記第1の信号を第1のサブバンドに配置するステップであって、前記第1のサブバンドは、前記調整された第1の多重化パラメータに従って指定される、ステップと、
前記送信装置によって、前記第1のサブバンドを送信するステップと
を含む、方法。 - 前記第1の多重化パラメータは、第1の周波数分割多重化(FDM)パラメータを含む、請求項1に記載の方法。
- 前記第1の信号は、第1のスパースコード多重アクセス(SCMA)信号であり、前記第1の変調マップは、第1のSCMAコードブックに対応している、請求項1に記載の方法。
- 前記通信要件は、データレート、シンボル区間、サブキャリアスペーシング、およびサイクリックプレフィックス(CP)長のうちの少なくとも1つを含む、請求項1に記載の方法。
- 前記第1の多重化パラメータは、第1のサブキャリアスペーシング、第1のシンボル区間、および第1のCP長のうちの少なくとも1つを含む、請求項1に記載の方法。
- 前記第1のマルチキャリア波形は、直交周波数分割多重波形を含む、請求項1に記載の方法。
- 前記第1のマルチキャリア波形は、シングルキャリア周波数分割多重アクセス(SC-FDMA)波形、マルチキャリア符号分割多重アクセス(MC-CDMA)波形、フィルタバンクマルチキャリア(FBMC)波形、離散フーリエ変換拡散OFDM(DFT拡散OFDM)波形、およびフィルタ式OFDM波形のうちの1つを含む、請求項1に記載の方法。
- 前記第1の信号は、N個の要素を含み、前記第1のサブバンドは、M個のサブキャリアを含み、NおよびMは整数値であり、Mは、N以上である、請求項1に記載の方法。
- 前記第1のサブバンドを送信する前に、前記第1のサブバンドを第1のフィルタでフィルタ処理するステップをさらに含む、請求項1に記載の方法。
- 送信装置によって、前記通信要件を満たすように第2のマルチキャリア波形の第2の多重化パラメータを調整するステップと、
前記送信装置によって、第2の入力ビットブロックおよび第2の変調マップに従って第2の信号を生成するステップと、
前記送信装置によって、前記第2の信号を第2のサブバンドに配置するステップであって、前記第2のサブバンドは、前記調整された第2の多重化パラメータに従って指定され、
前記送信装置によって、前記第2のサブバンドを送信するステップとをさらに含む、請求項1に記載の方法。 - 前記第1のマルチキャリア波形および前記第2のマルチキャリア波形は、ゼロ・ピーク電力対平均電力比(PAPR)波形である、請求項10に記載の方法。
- 非ゼロPAPR波形を含む第3のサブバンドを送信するステップをさらに含む、請求項1に記載の方法。
- 前記非ゼロPAPR波形は、フィルタ式OFDM(F-OFDM)波形を含む、請求項12に記載の方法。
- 受信装置が動作する方法であって、
前記受信装置によって、多重化パラメータを決定するステップと、
前記受信装置によって、前記多重化パラメータに従って第1のサブバンドを受信するステップと、
前記受信装置によって、前記第1のサブバンドから第1の信号を抽出するステップと、
前記受信装置によって、前記受信装置に関連付けられた第1の変調マップに従って前記第1の信号を処理するステップとを含む方法。 - 前記第1の信号は、N個の要素を含み、前記第1のサブバンドは、M個のサブキャリアを含み、NおよびMは整数値であり、MはN以上である、請求項14に記載の方法。
- 前記多重化パラメータに従って第2のサブバンドを受信するステップと、
第2のサブバンドから第2の信号を抽出するステップと、
前記受信装置に関連付けられた第2の変調マップに従って前記第2の信号を処理するステップとをさらに含む、請求項14に記載の方法。 - 前記第1のサブバンドおよび前記第2のサブバンドは、異なる数のサブキャリアを含む、請求項16に記載の方法。
- 前記第1のサブバンドおよび前記第2のサブバンドが、前記受信装置を含む通信システムのスペクトルの異なる部分で送信される、請求項16に記載の方法。
- 前記第1の信号は、第1のスパースコード多重アクセス(SCMA)信号であり、前記第1の変調マップは、ピーク電力対平均電力比(PAPR)がゼロのSCMAコードブックに対応しており、前記第2の変調マップは、PAPRが非ゼロのSCMAコードブックに対応している、請求項16に記載の方法。
- 前記第2のサブバンドは、フィルタ式OFDM波形で送信される、請求項19に記載の方法。
- プロセッサと、
前記プロセッサによる実行のためのプログラミングを記憶している非一過性コンピュータ可読記憶媒体とを備えた送信装置であって、前記プログラミングは、請求項1〜13のいずれか一項に記載の方法における動作を実施するための命令を含む、送信装置。 - プロセッサと、
前記プロセッサによる実行のためのプログラミングを記憶している非一過性コンピュータ可読記憶媒体とを備えた受信装置であって、前記プログラミングは、請求項14〜20のいずれか一項に記載の方法における動作を実施するための命令を含む、受信装置。
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US201462038070P | 2014-08-15 | 2014-08-15 | |
US62/038,070 | 2014-08-15 | ||
US14/822,492 US10523383B2 (en) | 2014-08-15 | 2015-08-10 | System and method for generating waveforms and utilization thereof |
US14/822,492 | 2015-08-10 | ||
PCT/CN2015/086784 WO2016023495A1 (en) | 2014-08-15 | 2015-08-12 | System and method for generating waveforms and utilization thereof |
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JP6536672B2 JP6536672B2 (ja) | 2019-07-03 |
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US (1) | US10523383B2 (ja) |
EP (1) | EP3172857B1 (ja) |
JP (1) | JP6536672B2 (ja) |
KR (1) | KR101994951B1 (ja) |
CN (1) | CN106576037B (ja) |
BR (1) | BR112017002918B1 (ja) |
CA (1) | CA2958746C (ja) |
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