JP3848445B2 - 複数通信方式対応の無線機 - Google Patents
複数通信方式対応の無線機 Download PDFInfo
- Publication number
- JP3848445B2 JP3848445B2 JP26246697A JP26246697A JP3848445B2 JP 3848445 B2 JP3848445 B2 JP 3848445B2 JP 26246697 A JP26246697 A JP 26246697A JP 26246697 A JP26246697 A JP 26246697A JP 3848445 B2 JP3848445 B2 JP 3848445B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- band
- mixer
- reception
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/0057—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
- H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/405—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with multiple discrete channels
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Transceivers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26246697A JP3848445B2 (ja) | 1997-09-26 | 1997-09-26 | 複数通信方式対応の無線機 |
| EP04024665A EP1499029A3 (en) | 1997-09-26 | 1998-09-25 | Multimode wireless communication system |
| DE69837698T DE69837698T2 (de) | 1997-09-26 | 1998-09-25 | Multimodusfunkkommunikationssystem |
| EP98118212A EP0905917B1 (en) | 1997-09-26 | 1998-09-25 | Multimode wireless communication system |
| US09/162,210 US6269253B1 (en) | 1997-09-26 | 1998-09-28 | Multi-mode wireless communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26246697A JP3848445B2 (ja) | 1997-09-26 | 1997-09-26 | 複数通信方式対応の無線機 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH11103325A JPH11103325A (ja) | 1999-04-13 |
| JPH11103325A5 JPH11103325A5 (2) | 2005-06-16 |
| JP3848445B2 true JP3848445B2 (ja) | 2006-11-22 |
Family
ID=17376183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26246697A Expired - Fee Related JP3848445B2 (ja) | 1997-09-26 | 1997-09-26 | 複数通信方式対応の無線機 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6269253B1 (2) |
| EP (2) | EP1499029A3 (2) |
| JP (1) | JP3848445B2 (2) |
| DE (1) | DE69837698T2 (2) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI974269A7 (fi) * | 1997-11-18 | 1999-05-19 | Nokia Mobile Phones Ltd | Kahden taajuusalueen radiolähetin-vastaanotinrakenne |
| EP0999641B1 (en) * | 1998-11-06 | 2004-02-18 | Robert Bosch Gmbh | A switchable up-conversion loop for a transmitting stage of a mobile phone |
| FI112741B (fi) * | 1998-11-26 | 2003-12-31 | Nokia Corp | Menetelmä ja järjestely RF-signaalien lähettämiseksi ja vastaanottamiseksi tiedonsiirtojärjestelmien erilaisissa radiorajapinnoissa |
| JP2002064301A (ja) | 1999-03-18 | 2002-02-28 | Hitachi Metals Ltd | トリプルバンド用高周波スイッチモジュール |
| DE69933363T2 (de) * | 1999-04-01 | 2007-08-23 | Lucent Technologies Inc. | Modulare RF-IC-Architektur |
| DE19939093A1 (de) * | 1999-08-18 | 2001-04-12 | Infineon Technologies Ag | Modulator-Demodulator |
| WO2001071934A1 (en) * | 2000-03-21 | 2001-09-27 | Koninklijke Philips Electronics N.V. | Communication system with frequency modulation and with a single local oscillator |
| JP3711846B2 (ja) * | 2000-07-27 | 2005-11-02 | 株式会社村田製作所 | 高周波モジュール及びそれを用いた移動体通信装置 |
| JP2002208869A (ja) * | 2001-01-09 | 2002-07-26 | Sony Corp | マルチバンド無線信号送受信装置 |
| US6754508B1 (en) * | 2001-01-25 | 2004-06-22 | National Semiconductor Corporation | Multiple-band wireless transceiver with quadrature conversion transmitter and receiver circuits |
| US6735426B1 (en) * | 2001-01-25 | 2004-05-11 | National Semiconductor Corporation | Multiple-band wireless transceiver with quadrature conversion transmitter and receiver circuits |
| US20030078037A1 (en) * | 2001-08-17 | 2003-04-24 | Auckland David T. | Methodology for portable wireless devices allowing autonomous roaming across multiple cellular air interface standards and frequencies |
| KR100438556B1 (ko) * | 2001-12-10 | 2004-07-02 | 엘지전자 주식회사 | 트라이 모드 이동 단말기에서의 고주파 신호 처리 장치 및방법 |
| JP2003298442A (ja) * | 2002-03-29 | 2003-10-17 | Communication Research Laboratory | 無線通信方法及びシステム |
| JP3908591B2 (ja) * | 2002-05-01 | 2007-04-25 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 変復調装置および携帯無線機 |
| JPWO2004002098A1 (ja) * | 2002-06-19 | 2005-10-27 | 株式会社日立製作所 | 無線通信装置 |
| JP4354681B2 (ja) | 2002-09-13 | 2009-10-28 | 株式会社日立製作所 | 通信用半導体集積回路 |
| TWI221365B (en) * | 2003-02-27 | 2004-09-21 | Benq Corp | Electronic peripheral device and network interface card |
| US7209720B2 (en) * | 2003-08-26 | 2007-04-24 | Freescale Semiconductor, Inc. | Multiband and multimode transmitter and method |
| US7424271B2 (en) * | 2003-12-04 | 2008-09-09 | Via Technologies Inc. | Multi-mode and multi-band RF transceiver and related communications method |
| JP3961498B2 (ja) * | 2004-02-27 | 2007-08-22 | 松下電器産業株式会社 | 高周波回路装置 |
| US7366485B2 (en) * | 2004-03-04 | 2008-04-29 | Matsushita Electric Industrial Co., Ltd. | Multimode wireless transmitter and a portable wireless device using the same |
| US20050266874A1 (en) * | 2004-05-26 | 2005-12-01 | Chengshing Lai | [method of automatically switching communication mode] |
| JP4327666B2 (ja) * | 2004-06-23 | 2009-09-09 | 株式会社ルネサステクノロジ | 無線送信回路及びそれを用いた送受信機 |
| WO2006118055A1 (ja) * | 2005-04-27 | 2006-11-09 | Matsushita Electric Industrial Co., Ltd. | 無線送信装置、ポーラ変調送信装置及び無線通信装置 |
| US8145155B2 (en) * | 2005-09-06 | 2012-03-27 | Mediatek, Inc. | Passive mixer and high Q RF filter using a passive mixer |
| US7912429B2 (en) * | 2005-09-06 | 2011-03-22 | Mediatek, Inc. | LO 2LO upconverter for an in-phase/quadrature-phase (I/Q) modulator |
| US7398073B2 (en) * | 2005-09-06 | 2008-07-08 | Skyworks Solutions, Inc. | Low noise mixer |
| US9154078B2 (en) * | 2010-12-23 | 2015-10-06 | Intel Corporation | Device, system and method of wireless communication over a plurality of wireless communication frequency channels |
| CN102932021A (zh) * | 2012-10-10 | 2013-02-13 | 中兴通讯股份有限公司 | 下变频装置及其实现方法、接收机 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3991419A (en) * | 1976-01-26 | 1976-11-09 | The United States Of America As Represented By The Secretary Of The Interior | Receiver system for locating transmitters |
| CH669075A5 (en) * | 1986-05-21 | 1989-02-15 | Siemens Ag Albis | Frequency synthesiser with mixers and phase-synchronised oscillators - multiplies and filters frequency of prodn. from mixer of selected outputs from externally coded switching circuit |
| US5152005A (en) * | 1990-01-22 | 1992-09-29 | Motorola, Inc. | High resolution frequency synthesis |
| JPH04160926A (ja) * | 1990-10-25 | 1992-06-04 | Sony Corp | 送受信装置 |
| JP3115050B2 (ja) * | 1991-09-11 | 2000-12-04 | 株式会社日立製作所 | 移動通信機 |
| CA2107632C (en) * | 1992-10-05 | 1997-06-03 | Nec Corporation | Local oscillator and its frequency switching method |
| FI941862A7 (fi) * | 1994-04-21 | 1995-10-22 | Nokia Mobile Phones Ltd | Menetelmä ja radiotaajuusjärjestelmä kahden eri taajuusalueella toimivan radioviestinjärjestelmän vastaanottimen ja lähettimen taajuuksien muodostamiseksi ja kahdella eri taajuusalueella toimiva vastaanotin ja lähetin sekä edellisten käyttö matkapuhelimessa |
| US5535432A (en) * | 1994-09-14 | 1996-07-09 | Ericsson Ge Mobile Communications Inc. | Dual-mode satellite/cellular phone with a frequency synthesizer |
| FI105247B (fi) * | 1994-11-14 | 2000-06-30 | Nokia Mobile Phones Ltd | Menetelmä ja kytkentä radiopuhelimen taajuuksien muodostamiseksi |
| JPH08204763A (ja) * | 1994-11-21 | 1996-08-09 | Sony Corp | 送信機及び送受信機 |
| JPH0918378A (ja) * | 1995-07-03 | 1997-01-17 | Matsushita Electric Ind Co Ltd | 無線回路 |
| FR2742946B1 (fr) * | 1995-12-22 | 1998-01-16 | Alcatel Mobile Comm France | Terminal de radiocommunication multimode |
| JPH09200070A (ja) * | 1996-01-12 | 1997-07-31 | Matsushita Electric Ind Co Ltd | 受信回路 |
| GB2310342A (en) * | 1996-02-16 | 1997-08-20 | Northern Telecom Ltd | Dual mode radio transceiver front end |
| FI104924B (fi) * | 1996-02-29 | 2000-04-28 | Nokia Mobile Phones Ltd | Lähetinvastaanotin, jossa on vaihdettava taajuusalue ja kaistanleveys |
| JPH09261106A (ja) * | 1996-03-22 | 1997-10-03 | Matsushita Electric Ind Co Ltd | 複数帯域移動無線機 |
| FI100286B (fi) * | 1996-04-01 | 1997-10-31 | Nokia Mobile Phones Ltd | Lähetin/vastaanotin RF-signaalin lähettämiseksi ja vastaanottamiseksi kahdella taajuusalueella |
| US5732330A (en) * | 1996-07-02 | 1998-03-24 | Ericsson Inc. | Dual band transceiver |
| US5794302A (en) * | 1996-12-18 | 1998-08-18 | Lin; Yung-Cheng | Car washing brush |
| US5974305A (en) * | 1997-05-15 | 1999-10-26 | Nokia Mobile Phones Limited | Dual band architectures for mobile stations |
| US6163710A (en) * | 1997-10-20 | 2000-12-19 | Ericsson, Inc. | Method and apparatus for compliance to multiple frequency plans |
-
1997
- 1997-09-26 JP JP26246697A patent/JP3848445B2/ja not_active Expired - Fee Related
-
1998
- 1998-09-25 EP EP04024665A patent/EP1499029A3/en not_active Withdrawn
- 1998-09-25 DE DE69837698T patent/DE69837698T2/de not_active Expired - Lifetime
- 1998-09-25 EP EP98118212A patent/EP0905917B1/en not_active Expired - Lifetime
- 1998-09-28 US US09/162,210 patent/US6269253B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0905917B1 (en) | 2007-05-02 |
| DE69837698D1 (de) | 2007-06-14 |
| DE69837698T2 (de) | 2007-09-06 |
| JPH11103325A (ja) | 1999-04-13 |
| EP1499029A2 (en) | 2005-01-19 |
| EP0905917A2 (en) | 1999-03-31 |
| EP0905917A3 (en) | 2003-09-17 |
| US6269253B1 (en) | 2001-07-31 |
| EP1499029A3 (en) | 2005-03-30 |
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