JP2001505017A - 単一送信装置による音声のアナログ・デジタル混合放送方法およびそのための装置 - Google Patents
単一送信装置による音声のアナログ・デジタル混合放送方法およびそのための装置Info
- Publication number
- JP2001505017A JP2001505017A JP52435298A JP52435298A JP2001505017A JP 2001505017 A JP2001505017 A JP 2001505017A JP 52435298 A JP52435298 A JP 52435298A JP 52435298 A JP52435298 A JP 52435298A JP 2001505017 A JP2001505017 A JP 2001505017A
- Authority
- JP
- Japan
- Prior art keywords
- spectrum
- signal
- modulation
- analog
- digital
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 振幅変調または単一サイドバンド受信装置およびマルチサブキャリア復調 デジタル受信装置によって受信されることを意図して、単一の送信装置でアナロ グとデジタルの混合信号を放送する方法であって、周波数スペクトル(Bt)が振 幅変調または単一サイドバンド変調に対応する第1のアナログスペクトル(Ba) とマルチサブキャリアに対応する第2のスペクトル(Bn)からなる複合信号、第 1および第2のスペクトルは連続しない2つの周波数バンドを占める、を送信す ることを特徴とする方法。 2. アナログ信号のスペクトル(Ba)は、振幅変調信号のスペクトルである請 求項1に記載の方法。 3. アナログ信号のスペクトル(Ba)は、片側サイドバンド変調(single-sid eband-modulated)信号のスペクトルである請求項1に記載の方法。 4. アナログ信号のスペクトル(Ba)は、VSB変調信号のスペクトルである 請求項1に記載の方法。 5. デジタル信号のスペクトル(Bn)が、互いに独立にマルチプル位相状態変 調法によって変調され等距離に有る所定数のサブキャリアのものである請求項1 ないし4のいずれかに記載の方法。 6. デジタル信号のスペクトルを元のアナログ周波数帯の高い周波数に沿った 周波数帯(Bn)に位置させることを特徴とする請求項1ないし5のいずれかに記 載の方法。 7. 振幅変調によってアナログ信号とデジタル信号を同時に送信することを特 徴とする請求項6に記載の方法。 8. 振幅変調されたアナログ信号と片側サイドバンド変調されたデジタル信号 を同時に送信することを特徴とする請求項6に記載の方法。 9. 請求項1ないし8のいずれかに記載された方法を実施するための装置であ って、音声周波数コーダ(2)と、伝送制御装置(3)と、マルチサブキャリア 変調装置(4)とがこの順序で直列に接続された第1の変調パスに第1の入力部 が接続され、ローパスフィルタ(5)からなる第2の変調パスに第2の入力部が 接続され、出力部は振幅変調または片側サイドバンド変調装置の入力部に接続さ れた加算装置(1)を有することを特徴とする装置。 10. ローパスフィルタ(5)の出力部とマルチサブキャリア変調器(4)の 出力部に接続され、変調器(6)の残留キャリアレベルを調整する制御装置(8 )を有することを特徴とする請求項9に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR96/14686 | 1996-11-29 | ||
FR9614686A FR2756686B1 (fr) | 1996-11-29 | 1996-11-29 | Procede et dispositif de radiodiffusion mixte analogique et numerique d'emission radiophonique diffusee par un meme emetteur |
PCT/FR1997/002109 WO1998024201A1 (fr) | 1996-11-29 | 1997-11-21 | Procede et dispositif de radiodiffusion mixte analogique et numerique d'emission radiophonique diffusee par un meme emetteur |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001505017A true JP2001505017A (ja) | 2001-04-10 |
JP4131483B2 JP4131483B2 (ja) | 2008-08-13 |
Family
ID=9498189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52435298A Expired - Fee Related JP4131483B2 (ja) | 1996-11-29 | 1997-11-21 | 単一送信装置による音声のアナログ・デジタル混合放送方法およびそのための装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6418300B1 (ja) |
EP (1) | EP0941588B1 (ja) |
JP (1) | JP4131483B2 (ja) |
AT (1) | ATE232342T1 (ja) |
DE (1) | DE69718930T2 (ja) |
FR (1) | FR2756686B1 (ja) |
WO (1) | WO1998024201A1 (ja) |
Families Citing this family (35)
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US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
US6091940A (en) | 1998-10-21 | 2000-07-18 | Parkervision, Inc. | Method and system for frequency up-conversion |
US7515896B1 (en) | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US6049706A (en) | 1998-10-21 | 2000-04-11 | Parkervision, Inc. | Integrated frequency translation and selectivity |
US6560301B1 (en) | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
US6704549B1 (en) | 1999-03-03 | 2004-03-09 | Parkvision, Inc. | Multi-mode, multi-band communication system |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US6853690B1 (en) | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US7110444B1 (en) | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
FR2832880B1 (fr) * | 2001-11-23 | 2004-04-09 | Thales Sa | Procede et dispositif d'egalisation par blocs avec adaptation au canal de transmission |
FR2832877B1 (fr) * | 2001-11-23 | 2006-08-18 | Thales Sa | Procede et dispositif d'egalisation par blocs avec interpolation amelioree |
FR2832879B1 (fr) * | 2001-11-23 | 2006-08-18 | Thales Sa | Procede et egalisation par segmentations des donnees |
US7460584B2 (en) | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
FR2847400B1 (fr) * | 2002-11-15 | 2005-01-21 | Thales Sa | Systeme et procede de detection de presence et de synchronisation d'un signal pour un systeme a sauts de frequence fonctionnant en environnement perturbe |
FR2854994B1 (fr) * | 2003-05-16 | 2005-07-01 | Thales Sa | Dispositif et procede de rejection d'interferences auto-adaptatif |
EP2502428B1 (en) | 2009-11-17 | 2014-06-25 | Phonak AG | Hearing assistance system and method |
EP2502429B1 (en) | 2009-11-17 | 2014-06-25 | Phonak AG | Hearing assistance system and method |
US20160197669A1 (en) | 2014-12-11 | 2016-07-07 | Tesla Wireless Company LLC | Communication method and system that uses low latency/low data bandwidth and high latency/high data bandwidth pathways |
EP3176954B1 (de) * | 2015-12-02 | 2018-09-26 | etatronix GmbH | Verfahren zur übertragung von analoger und digitaler information bei der übertragung von energie |
CA3116833A1 (en) | 2017-10-24 | 2019-05-02 | Skywave Networks Llc | Clock synchronization when switching between broadcast and data transmission modes |
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-
1996
- 1996-11-29 FR FR9614686A patent/FR2756686B1/fr not_active Expired - Fee Related
-
1997
- 1997-11-21 AT AT97947119T patent/ATE232342T1/de active
- 1997-11-21 US US09/308,651 patent/US6418300B1/en not_active Expired - Fee Related
- 1997-11-21 JP JP52435298A patent/JP4131483B2/ja not_active Expired - Fee Related
- 1997-11-21 WO PCT/FR1997/002109 patent/WO1998024201A1/fr active IP Right Grant
- 1997-11-21 EP EP97947119A patent/EP0941588B1/fr not_active Expired - Lifetime
- 1997-11-21 DE DE69718930T patent/DE69718930T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69718930T2 (de) | 2003-11-13 |
FR2756686A1 (fr) | 1998-06-05 |
EP0941588B1 (fr) | 2003-02-05 |
WO1998024201A1 (fr) | 1998-06-04 |
DE69718930D1 (de) | 2003-03-13 |
FR2756686B1 (fr) | 1999-02-19 |
ATE232342T1 (de) | 2003-02-15 |
US6418300B1 (en) | 2002-07-09 |
EP0941588A1 (fr) | 1999-09-15 |
JP4131483B2 (ja) | 2008-08-13 |
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