JP5741296B2 - 通信装置 - Google Patents
通信装置 Download PDFInfo
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- JP5741296B2 JP5741296B2 JP2011168641A JP2011168641A JP5741296B2 JP 5741296 B2 JP5741296 B2 JP 5741296B2 JP 2011168641 A JP2011168641 A JP 2011168641A JP 2011168641 A JP2011168641 A JP 2011168641A JP 5741296 B2 JP5741296 B2 JP 5741296B2
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- JP
- Japan
- Prior art keywords
- signal
- pulse
- return zero
- communication apparatus
- pulse generator
- Prior art date
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Classifications
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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
- H04B1/69—Spread spectrum techniques
- H04B1/7163—Spread spectrum techniques using impulse radio
- H04B1/717—Pulse-related aspects
- H04B1/7174—Pulse generation
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/7163—Spread spectrum techniques using impulse radio
- H04B1/719—Interference-related aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
- H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
- H04B10/25137—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using pulse shaping at the transmitter, e.g. pre-chirping or dispersion supported transmission [DST]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
- H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
- H04L25/4915—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using pattern inversion or substitution
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Transmitters (AREA)
Description
102 短パルス発生部
103 バンドパスフィルタ
104 送信増幅器
105 第1のアンテナ
121 第2のアンテナ
122 受信増幅器
123 検波器
124 リミットアンプ
125 ベースバンド信号再生器
Claims (9)
- データ信号の値に応じたパルスの有無であって正極パルス及び負極パルスを交互に生成するパルス発生部と、
前記パルス発生部により生成されたパルスをフィルタリングするバンドパスフィルタと、
前記バンドパスフィルタによりフィルタリングされた信号を増幅して送信信号として出力する送信増幅器とを有し、
前記データ信号の送信速度は、前記バンドパスフィルタの通過上限周波数と通過下限周波数との差の整数分の1であることを特徴とする通信装置。 - 前記パルス発生部は、前記データ信号をノンリターンゼロ信号からリターンゼロ信号に変換するノンリターンゼロ/リターンゼロ変換部を有することを特徴とする請求項1記載の通信装置。
- 前記パルス発生部は、リターンゼロ信号のパルス幅を短くし、かつ正極パルス及び負極パルスを交互に生成するパルス発生器を有することを特徴とする請求項1記載の通信装置。
- 前記パルス発生部は、前記リターンゼロ信号が1周期変化する毎に出力信号を反転させるトリガフリップフロップを有し、
前記パルス発生器は、前記トリガフリップフロップの出力信号及び前記リターンゼロ信号を入力することを特徴とする請求項3記載の通信装置。 - 前記パルス発生部は、
前記データ信号をノンリターンゼロ信号からリターンゼロ信号に変換するノンリターンゼロ/リターンゼロ変換部と、
前記リターンゼロ信号のパルス幅を短くし、かつ正極パルス及び負極パルスを交互に生成するパルス発生器とを有することを特徴とする請求項1記載の通信装置。 - 前記パルス発生部は、前記リターンゼロ信号が1周期変化する毎に出力信号を反転させるトリガフリップフロップを有し、
前記パルス発生器は、前記トリガフリップフロップの出力信号及び前記リターンゼロ信号を入力することを特徴とする請求項5記載の通信装置。 - さらに、前記送信増幅器により増幅された送信信号を無線送信するための第1のアンテナを有することを特徴とする請求項1〜6のいずれか1項に記載の通信装置。
- さらに、受信信号を増幅する受信増幅器と、
前記受信増幅器により増幅された受信信号を検波する検波器とを有することを特徴とする請求項1〜7のいずれか1項に記載の通信装置。 - さらに、前記受信信号を無線受信するための第2のアンテナを有し、
前記受信増幅器は、前記第2のアンテナにより無線受信した受信信号を増幅することを特徴とする請求項8記載の通信装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011168641A JP5741296B2 (ja) | 2011-08-01 | 2011-08-01 | 通信装置 |
EP12177938.3A EP2555440B1 (en) | 2011-08-01 | 2012-07-26 | Impulse radio communication apparatus |
US13/559,883 US9184789B2 (en) | 2011-08-01 | 2012-07-27 | Communication apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011168641A JP5741296B2 (ja) | 2011-08-01 | 2011-08-01 | 通信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013034075A JP2013034075A (ja) | 2013-02-14 |
JP5741296B2 true JP5741296B2 (ja) | 2015-07-01 |
Family
ID=46796255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011168641A Active JP5741296B2 (ja) | 2011-08-01 | 2011-08-01 | 通信装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9184789B2 (ja) |
EP (1) | EP2555440B1 (ja) |
JP (1) | JP5741296B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5790519B2 (ja) * | 2012-01-26 | 2015-10-07 | 富士通株式会社 | 通信装置 |
JP5991243B2 (ja) * | 2013-03-18 | 2016-09-14 | 富士通株式会社 | 送信装置 |
JP2014195216A (ja) * | 2013-03-29 | 2014-10-09 | Nippon Telegr & Teleph Corp <Ntt> | 通信システムおよび通信方法 |
JP2014195217A (ja) * | 2013-03-29 | 2014-10-09 | Nippon Telegr & Teleph Corp <Ntt> | 通信システムおよび通信方法 |
WO2015049740A1 (ja) | 2013-10-02 | 2015-04-09 | 富士通株式会社 | パルス位置変調方式インパルス無線送信機および無線通信システム |
Family Cites Families (20)
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US4419757A (en) * | 1981-03-16 | 1983-12-06 | Bell Telephone Laboratories, Incorporated | Transformerless bipolar converter |
US4504944A (en) * | 1982-05-13 | 1985-03-12 | At&T Bell Laboratories | Bridging channel port module |
FI97010C (fi) * | 1987-05-29 | 1996-09-25 | Nec Corp | Ohjausasema ja radiotiedonsiirtoverkkojärjestelmä, joka sisältää eri toimintatiloissa toimivia kytkentälaiteyksiköitä |
JP2725058B2 (ja) | 1989-06-26 | 1998-03-09 | 富士通株式会社 | U/b変換回路 |
US5365551A (en) * | 1992-12-15 | 1994-11-15 | Micron Technology, Inc. | Data communication transceiver using identification protocol |
JP3152292B2 (ja) * | 1997-04-15 | 2001-04-03 | 日本電気株式会社 | 多チャネルエコー除去方法及び装置 |
US6020765A (en) * | 1997-05-30 | 2000-02-01 | Sun Microsystems, Inc. | Frequency difference detector for use with an NRZ signal |
US6218842B1 (en) * | 1999-08-04 | 2001-04-17 | Halliburton Energy Services, Inc. | Multi-frequency electromagnetic wave resistivity tool with improved calibration measurement |
US6665500B2 (en) * | 2001-01-29 | 2003-12-16 | Oyster Optics, Inc. | Dual-mode fiber optic telecommunications system and method |
CN1316393C (zh) * | 2002-04-12 | 2007-05-16 | 汤姆森许可公司 | 控制电路 |
JP3705271B2 (ja) * | 2003-02-03 | 2005-10-12 | ソニー株式会社 | 送信方法及び送信装置 |
US7298792B2 (en) * | 2003-02-10 | 2007-11-20 | Mitsubishi Electric Research Laboratories, Inc. | Randomly changing pulse polarity and phase in an UWB signal for power spectrum density shaping |
US7636380B2 (en) * | 2004-05-17 | 2009-12-22 | Microsoft Corporation | Orthogonal pulse polarity modulation |
US20060066485A1 (en) * | 2004-09-24 | 2006-03-30 | Guohua Min | Wireless tracking system based upon phase differences |
JP3943569B2 (ja) | 2004-11-30 | 2007-07-11 | 富士通株式会社 | パルス極性変調回路 |
JP4408091B2 (ja) * | 2005-04-18 | 2010-02-03 | 日本電信電話株式会社 | 無線送信方法および無線送信機 |
JP4350133B2 (ja) * | 2007-02-19 | 2009-10-21 | 富士通株式会社 | 送信回路および無線伝送装置 |
US8332680B2 (en) * | 2007-08-13 | 2012-12-11 | Rambus Inc. | Methods and systems for operating memory in two modes |
US20110141829A1 (en) * | 2009-12-14 | 2011-06-16 | Ware Frederick A | Circuits for Reducing Power Consumption of Memory Components |
US8867930B2 (en) * | 2010-10-29 | 2014-10-21 | Queen's University At Kingston | System and method for determining the envelope of a modulated signal |
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2011
- 2011-08-01 JP JP2011168641A patent/JP5741296B2/ja active Active
-
2012
- 2012-07-26 EP EP12177938.3A patent/EP2555440B1/en not_active Not-in-force
- 2012-07-27 US US13/559,883 patent/US9184789B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2555440A1 (en) | 2013-02-06 |
EP2555440B1 (en) | 2016-05-25 |
US9184789B2 (en) | 2015-11-10 |
JP2013034075A (ja) | 2013-02-14 |
US20130034131A1 (en) | 2013-02-07 |
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