JP2009536475A - タイムダイバーシティ音声チャネルデータ通信 - Google Patents
タイムダイバーシティ音声チャネルデータ通信 Download PDFInfo
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- JP2009536475A JP2009536475A JP2009504377A JP2009504377A JP2009536475A JP 2009536475 A JP2009536475 A JP 2009536475A JP 2009504377 A JP2009504377 A JP 2009504377A JP 2009504377 A JP2009504377 A JP 2009504377A JP 2009536475 A JP2009536475 A JP 2009536475A
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- 238000004891 communication Methods 0.000 title description 9
- 239000013598 vector Substances 0.000 claims abstract description 100
- 238000000605 extraction Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 25
- 230000005236 sound signal Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 230000011664 signaling Effects 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims 2
- 238000012935 Averaging Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 19
- 238000012937 correction Methods 0.000 description 13
- 230000006870 function Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 230000001413 cellular effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
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- 230000003252 repetitive effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
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- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
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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
- H04L1/1835—Buffer management
- H04L1/1845—Combining techniques, e.g. code combining
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/066—Telephone sets adapted for data transmision
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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
【選択図】図5
Description
如何なる誤りも検出されなければ、Kビットのデジタルデータシーケンスは、その意図されている受信者に配送される。そうでなければ、デジタルデータパケット70は、無線電気通信ネットワーク12のデジタルの音声チャネル34で再送信される。
V1=X1+Y1、V2=X2+Y2、VN=XN+YN
W1=X1+Y1+Z1、W2=X2+Y2+Z2、…、WN=XN+YN+ZN
330 受信機
340 特徴抽出モジュール
350 推定モジュール
360 タイムダイバーシティ結合コンポーネント
405 特徴ベクトル
410 推定ビットシーケンス
415、440、455 判定ステップ
435 特徴ベクトル保存ステップ
X 第1の特徴ベクトル
Y 第2の特徴ベクトル
Claims (13)
- 無線電気通信ネットワークのデジタル音声チャネルで送信されたデジタルデータ信号を再生するための受信機であって、
前記無線電気通信ネットワークのデジタルの音声チャネルで送信されたデジタルデータ信号を符号化している音声周波数波形を受け、該音声周波数波形を表す第1の特徴ベクトルを生成すべく構成された特徴抽出モジュールと、
1つ以上の特徴ベクトルを記憶すべく構成されたメモリと、
前記第1の特徴ベクトルを分析し、前記デジタルデータ信号に対応する第1の推定ビットシーケンスを生成すべく構成されたビットシーケンス推定モジュールとを含み、
前記ビットシーケンス推定モジュールは、前記メモリに記憶された1つ以上の特徴ベクトルとの組み合わせで前記第1の特徴ベクトルを分析することにより、第2の推定ビットシーケンスを生成すべく構成されたタイムダイバーシティ結合コンポーネントを含む、受信機。 - さらに、音声信号を復調すべく構成されたインバンドシグナリングモデムモデムを含む、請求項1に記載の受信機。
- 前記各特徴ベクトルは、フーリェ振幅(Fourier magnitudes)のシーケンスまたは相互相関値のシーケンスから成る、請求項1に記載の受信機。
- 前記メモリに記憶された前記1つ以上の特徴ベクトルは、前記第1の特徴ベクトルと約80%以上のビットが同じである、請求項1に記載の受信機。
- さらに第1および第2の推定ビットシーケンス中の誤りをチェックすべく構成された誤り検出モジュールを含む、請求項1に記載の受信機。
- 無線電気通信ネットワークのデジタルの音声チャネルで送信されたデジタルデータ信号を再生するための方法であって、
前記無線電気通信ネットワークのデジタルの音声チャネルで送信されたデジタルデータ信号を符号化している音声周波数波形から第1の特徴ベクトルを抽出すること、
前記第1の特徴ベクトルに基づいた第1の推定ビットシーケンスを生成すること、
該第1の推定ビットシーケンス中の誤りをチェックすること、
前記第1の推定ビットシーケンスが誤りを含んでいると、メモリモジュールに前記第1の特徴ベクトルを記憶すること、
前記メモリモジュールに記憶された第2の特徴ベクトルを選択すること、
前記第1の特徴ベクトルおよび第2の特徴ベクトルの組合せに基づいた第2の推定ビットシーケンスを生成すること、
該第2の推定ビットシーケンス中の誤りをチェックすることを含む、デジタルデータ再生方法。 - さらに、前記第1および第2の特徴ベクトルの組み合わせのために、前記メモリモジュールに記憶された1つ以上の付加特徴ベクトルを選択すること
前記第1の特徴ベクトル、第2の特徴ベクトルおよび前記1つ以上の付加特徴ベクトルの組合せに基づいた1つ以上の付加推定ビットシーケンスを生成すること、
前記1つ以上の付加推定ビットシーケンス中の誤りをチェックすることを含む、請求項6に記載の方法。 - 前記第2の特徴ベクトルの選択は、該第2の特徴ベクトルが前記第1の特徴ベクトルと同じであるか否かを決定することを含む、請求項6に記載の方法。
- さらに、前記第2の推定ビットシーケンスが誤りを含んでいないとき、前記第2の特徴ベクトルを前記メモリモジュールから削除することを含む、請求項6に記載の方法。
- 前記第2の推定ビットシーケンスの生成は、前記第1の特徴ベクトルおよび第2の特徴ベクトルを合計するかまたは平均化することを含む、請求項6に記載の方法。
- 無線電気通信ネットワークのデジタル音声チャネルで送信されたデジタルデータ信号を再生する方法であって、前記デジタルデータ信号を符号化している複数の音声周波数波形を受信すること、該各受信された音声周波数波形から複数の特徴ベクトルを抽出すること、および前記デジタルデータ信号の推定を引き出すべく前記複数の特徴ベクトルを共に使用することを含む、デジタルデータ信号再生方法。
- 請求項6から10のいずれか一項に記載の方法を実施する装置。
- 請求項6から10のいずれか一項に記載の方法を実施するためのコンピュータプログラムまたはそのようなコンピュータプログラムを記憶するコンピュータ読み出し可能の記憶媒体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US79022506P | 2006-04-07 | 2006-04-07 | |
US11/442,705 US7924934B2 (en) | 2006-04-07 | 2006-05-26 | Time diversity voice channel data communications |
PCT/US2007/064443 WO2007117892A2 (en) | 2006-04-07 | 2007-03-20 | Time diversity voice channel data communications |
Publications (2)
Publication Number | Publication Date |
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JP2009536475A true JP2009536475A (ja) | 2009-10-08 |
JP2009536475A5 JP2009536475A5 (ja) | 2010-02-04 |
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Application Number | Title | Priority Date | Filing Date |
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JP2009504377A Pending JP2009536475A (ja) | 2006-04-07 | 2007-03-20 | タイムダイバーシティ音声チャネルデータ通信 |
Country Status (18)
Country | Link |
---|---|
US (1) | US7924934B2 (ja) |
EP (1) | EP1843503B1 (ja) |
JP (1) | JP2009536475A (ja) |
KR (1) | KR100994736B1 (ja) |
CN (1) | CN101454768B (ja) |
AT (1) | ATE522038T1 (ja) |
AU (1) | AU2007235063B2 (ja) |
BR (1) | BRPI0702899A2 (ja) |
CA (1) | CA2617603C (ja) |
CY (1) | CY1111895T1 (ja) |
DK (1) | DK1843503T3 (ja) |
ES (1) | ES2395478T3 (ja) |
HK (1) | HK1130913A1 (ja) |
PL (1) | PL1843503T3 (ja) |
PT (1) | PT1843503E (ja) |
SI (1) | SI1843503T1 (ja) |
TW (1) | TWI392300B (ja) |
WO (1) | WO2007117892A2 (ja) |
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ATE522038T1 (de) | 2011-09-15 |
AU2007235063A1 (en) | 2007-10-18 |
DK1843503T3 (da) | 2011-12-19 |
AU2007235063B2 (en) | 2010-04-01 |
US20070264964A1 (en) | 2007-11-15 |
TWI392300B (zh) | 2013-04-01 |
WO2007117892A2 (en) | 2007-10-18 |
EP1843503A3 (en) | 2008-07-30 |
PL1843503T3 (pl) | 2012-01-31 |
TW200746731A (en) | 2007-12-16 |
WO2007117892A3 (en) | 2008-11-20 |
EP1843503B1 (en) | 2011-08-24 |
EP1843503A2 (en) | 2007-10-10 |
CA2617603A1 (en) | 2007-10-18 |
ES2395478T3 (es) | 2013-02-13 |
CN101454768A (zh) | 2009-06-10 |
CY1111895T1 (el) | 2015-11-04 |
PT1843503E (pt) | 2011-10-17 |
US7924934B2 (en) | 2011-04-12 |
CA2617603C (en) | 2012-06-05 |
CN101454768B (zh) | 2013-04-17 |
HK1130913A1 (en) | 2010-01-08 |
SI1843503T1 (sl) | 2011-12-30 |
BRPI0702899A2 (pt) | 2011-03-22 |
KR100994736B1 (ko) | 2010-11-17 |
KR20080093017A (ko) | 2008-10-17 |
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