FI974269A - Radiosändare-mottagarestruktur med två frekvensområden - Google Patents
Radiosändare-mottagarestruktur med två frekvensområden Download PDFInfo
- Publication number
- FI974269A FI974269A FI974269A FI974269A FI974269A FI 974269 A FI974269 A FI 974269A FI 974269 A FI974269 A FI 974269A FI 974269 A FI974269 A FI 974269A FI 974269 A FI974269 A FI 974269A
- Authority
- FI
- Finland
- Prior art keywords
- frequency ranges
- radio transmitter
- receiver structure
- receiver
- transmitter
- Prior art date
Links
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
- H04B1/0067—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 one or more circuit blocks in common for different bands
- H04B1/0071—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 one or more circuit blocks in common for different bands using a common intermediate frequency for more than one 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
- H04B1/005—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
- H04B1/0067—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 one or more circuit blocks in common for different bands
- H04B1/0082—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 one or more circuit blocks in common for different bands with a common local oscillator for more than one band
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Superheterodyne Receivers (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI974269A FI974269A (sv) | 1997-11-18 | 1997-11-18 | Radiosändare-mottagarestruktur med två frekvensområden |
EP98660123A EP0917297B1 (en) | 1997-11-18 | 1998-11-12 | Radio transceiver with two frequency bands |
US09/190,336 US6449264B1 (en) | 1997-11-18 | 1998-11-12 | Radio transceiver with two frequency bands |
DE69837070T DE69837070T2 (de) | 1997-11-18 | 1998-11-12 | Zweibandfunkgerät |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI974269A FI974269A (sv) | 1997-11-18 | 1997-11-18 | Radiosändare-mottagarestruktur med två frekvensområden |
Publications (2)
Publication Number | Publication Date |
---|---|
FI974269A0 FI974269A0 (fi) | 1997-11-18 |
FI974269A true FI974269A (sv) | 1999-05-19 |
Family
ID=8549971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI974269A FI974269A (sv) | 1997-11-18 | 1997-11-18 | Radiosändare-mottagarestruktur med två frekvensområden |
Country Status (4)
Country | Link |
---|---|
US (1) | US6449264B1 (sv) |
EP (1) | EP0917297B1 (sv) |
DE (1) | DE69837070T2 (sv) |
FI (1) | FI974269A (sv) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI112741B (sv) * | 1998-11-26 | 2003-12-31 | Nokia Corp | Förfarande och anordning för att sända och mottaga RF-signaler vid olika radiogränssnitt av dataöverföringssystem |
US6560297B1 (en) * | 1999-06-03 | 2003-05-06 | Analog Devices, Inc. | Image rejection downconverter for a translation loop modulator |
US6826388B1 (en) * | 1999-11-15 | 2004-11-30 | Renesas Technology Corp. | Mobile communication apparatus including dividers in transmitter and receiver |
US20020168019A1 (en) * | 2001-05-09 | 2002-11-14 | Erik Bengtsson | Apparatus and method to reduce size and complexity of reconstruction filters in a multi-protocol transmitter |
DE10124372A1 (de) | 2001-05-18 | 2002-11-21 | Rohde & Schwarz | Signalgenerator mit Frequenzversatzeinheit im Basisband |
JP2002359875A (ja) * | 2001-06-01 | 2002-12-13 | Nec Corp | 携帯型端末装置 |
US6850745B2 (en) * | 2002-01-23 | 2005-02-01 | Broadcom Corp | Method and apparatus for generating a self-correcting local oscillation |
KR100486262B1 (ko) * | 2002-09-17 | 2005-05-03 | 삼성전자주식회사 | 단일 측파대 믹서 및 단일 측파대 신호 추출 방법 |
US7027833B1 (en) * | 2003-04-03 | 2006-04-11 | The United States Of America As Represented By The Secretary Of The Navy | Dual band superheterodyne receiver |
US7757211B2 (en) * | 2004-05-03 | 2010-07-13 | Jordan Thomas L | Managed object member architecture for software defined radio |
US9602144B2 (en) * | 2004-08-26 | 2017-03-21 | Interdigital Technology Corporation | Method and apparatus for processing multiple wireless communication services |
US20060092865A1 (en) * | 2004-11-03 | 2006-05-04 | Airnet Communications Corporation | Supporting wireless communication interoperability compatibility with existing communications infrastructure |
WO2008103771A1 (en) * | 2007-02-20 | 2008-08-28 | Haiyun Tang | Adaptive transmission power control for cognitive radio |
AU2009210415B2 (en) * | 2008-08-21 | 2015-03-26 | R.F. Technologies Aust Pty Ltd | Multi-band telecommunications appparatus |
US8554155B2 (en) * | 2010-01-12 | 2013-10-08 | Thales Communications, Inc. | Matching circuit for a multi-band antenna and multi-band radio incorporating the same |
US9276800B2 (en) * | 2011-09-14 | 2016-03-01 | Electronics And Telecommunications Research Institute | Single frequency synthesizer based FDD transceiver |
US10938360B1 (en) | 2011-10-26 | 2021-03-02 | Micro Mobio Corporation | Multimode multiband wireless device with broadband power amplifier |
US9667306B2 (en) | 2011-10-26 | 2017-05-30 | Adam James Wang | Multimode multiband wireless device with broadband power amplifier |
CN110463074B (zh) * | 2017-03-28 | 2023-05-23 | 高通股份有限公司 | 基于距离的传输参数调节 |
US10305611B1 (en) | 2018-03-28 | 2019-05-28 | Qualcomm Incorporated | Proximity detection using a hybrid transceiver |
US10756686B2 (en) * | 2018-11-07 | 2020-08-25 | Mediatek Inc. | Band sharing technique of receiver |
US20220321152A1 (en) * | 2021-03-30 | 2022-10-06 | Skyworks Solutions, Inc. | Mobile devices with merged frequency range one and intermediate frequency signal path |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4338721A1 (de) | 1993-11-12 | 1995-05-18 | Philips Patentverwaltung | Mehrband-Funkgerät |
FI935271A (sv) * | 1993-11-26 | 1995-05-27 | Nokia Mobile Phones Ltd | Foerfarande och kretsanordning foer realisering av mellanfrekvenssignaler i radiofrekvensdelen i en digital mobiltelefon |
FI941862A (sv) * | 1994-04-21 | 1995-10-22 | Nokia Mobile Phones Ltd | Förfarande och radiofrekvenssystem för alstring av frekvenser för mottagare och sändare av två på olika fraksvensområden fungerande radiosignaleringssystem och en mottagare och sändare som fungerar på två olika frekvensområden samt användning av föregående i en mobiltelefon |
KR0143023B1 (ko) * | 1994-08-03 | 1998-08-01 | 김광호 | 디지탈 무선전화기의 송수신 신호처리 회로 |
US5640694A (en) * | 1995-05-03 | 1997-06-17 | Northrop Grumman Corporation | Integrated RF system with segmented frequency conversion |
JP3674166B2 (ja) * | 1996-02-14 | 2005-07-20 | ソニー株式会社 | 放送波信号受信装置 |
FI100286B (sv) * | 1996-04-01 | 1997-10-31 | Nokia Mobile Phones Ltd | Sändare/mottagare för att sända och mottaga RF-signal på två frekvenso mråde |
KR100234129B1 (ko) * | 1997-06-21 | 1999-12-15 | 윤종용 | 시분할 교신 방식을 사용하는 디지탈 무선통신장치 및 방법 |
JP3848445B2 (ja) * | 1997-09-26 | 2006-11-22 | 松下電器産業株式会社 | 複数通信方式対応の無線機 |
-
1997
- 1997-11-18 FI FI974269A patent/FI974269A/sv unknown
-
1998
- 1998-11-12 DE DE69837070T patent/DE69837070T2/de not_active Expired - Lifetime
- 1998-11-12 US US09/190,336 patent/US6449264B1/en not_active Expired - Lifetime
- 1998-11-12 EP EP98660123A patent/EP0917297B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69837070T2 (de) | 2007-07-12 |
EP0917297B1 (en) | 2007-02-14 |
FI974269A0 (fi) | 1997-11-18 |
US6449264B1 (en) | 2002-09-10 |
EP0917297A2 (en) | 1999-05-19 |
EP0917297A3 (en) | 2003-03-12 |
DE69837070D1 (de) | 2007-03-29 |
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