FI108486B - Menetelmõ ja piirijõrjestely vastaanotettujen signaalien kõsittelemiseksi tiedonsiirtojõrjestelmõssõ - Google Patents
Menetelmõ ja piirijõrjestely vastaanotettujen signaalien kõsittelemiseksi tiedonsiirtojõrjestelmõssõ Download PDFInfo
- Publication number
- FI108486B FI108486B FI970437A FI970437A FI108486B FI 108486 B FI108486 B FI 108486B FI 970437 A FI970437 A FI 970437A FI 970437 A FI970437 A FI 970437A FI 108486 B FI108486 B FI 108486B
- Authority
- FI
- Finland
- Prior art keywords
- signal
- bandwidth
- digital
- processing
- intermediate frequency
- 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
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
-
- 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
-
- 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
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
-
- 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
- H04B1/0057—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
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
-
- 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)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI970437A FI108486B (fi) | 1997-01-31 | 1997-01-31 | Menetelmõ ja piirijõrjestely vastaanotettujen signaalien kõsittelemiseksi tiedonsiirtojõrjestelmõssõ |
JP10009131A JPH10224250A (ja) | 1997-01-31 | 1998-01-20 | 通信システムにおいて受信された信号を処理する方法及び回路装置 |
DE69831763T DE69831763T2 (de) | 1997-01-31 | 1998-01-30 | Verfahren und Schaltung zur Empfangssignalverarbeitung in einen Telekommunikationssystem |
US09/016,031 US6069923A (en) | 1997-01-31 | 1998-01-30 | Method and a circuit arrangement for the processing of received signals in a telecommunication system |
EP98660008A EP0856952B1 (en) | 1997-01-31 | 1998-01-30 | A method and a circuit arrangement for the processing of received signals in a telecommunication system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI970437A FI108486B (fi) | 1997-01-31 | 1997-01-31 | Menetelmõ ja piirijõrjestely vastaanotettujen signaalien kõsittelemiseksi tiedonsiirtojõrjestelmõssõ |
FI970437 | 1997-01-31 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI970437A0 FI970437A0 (fi) | 1997-01-31 |
FI970437A FI970437A (fi) | 1998-08-01 |
FI108486B true FI108486B (fi) | 2002-01-31 |
Family
ID=8547991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI970437A FI108486B (fi) | 1997-01-31 | 1997-01-31 | Menetelmõ ja piirijõrjestely vastaanotettujen signaalien kõsittelemiseksi tiedonsiirtojõrjestelmõssõ |
Country Status (5)
Country | Link |
---|---|
US (1) | US6069923A (ja) |
EP (1) | EP0856952B1 (ja) |
JP (1) | JPH10224250A (ja) |
DE (1) | DE69831763T2 (ja) |
FI (1) | FI108486B (ja) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6359940B1 (en) * | 1998-03-02 | 2002-03-19 | Qualcomm Incorporated | Method and apparatus for downconverting signals transmitted using a plurality of modulation formats to a common intermediate frequency range |
EP0959567A1 (en) * | 1998-05-19 | 1999-11-24 | Robert Bosch Gmbh | Diplexer for mobile phone |
DE19838244A1 (de) * | 1998-08-22 | 2000-02-24 | Daimler Chrysler Ag | Verfahren zum Empfang verschiedenartiger Funkstandards |
KR100274089B1 (ko) * | 1998-09-02 | 2000-12-15 | 윤종용 | 듀얼모드 단말기의 자동주파수 제어회로 및 방법 |
FI112741B (fi) | 1998-11-26 | 2003-12-31 | Nokia Corp | Menetelmä ja järjestely RF-signaalien lähettämiseksi ja vastaanottamiseksi tiedonsiirtojärjestelmien erilaisissa radiorajapinnoissa |
DK1006669T3 (da) * | 1998-11-30 | 2006-11-27 | Bosch Gmbh Robert | Omstilleligt bredbåndsmodtagerindgangstrin for en flerbåndsmodtager |
US6298224B1 (en) * | 1999-02-22 | 2001-10-02 | Motorola, Inc. | Multiple frequency band receiver |
WO2001028310A2 (en) * | 1999-10-21 | 2001-04-26 | Broadcom Corporation | An adaptive radio transceiver |
EP1104953A1 (en) * | 1999-11-30 | 2001-06-06 | Lucent Technologies Inc. | Receiving apparatus for electromagnetic signals |
EP1111803B1 (en) * | 1999-12-23 | 2004-10-27 | Motorola, Inc. | Dual mode with a single receiver circuit |
DE10029419A1 (de) * | 2000-06-15 | 2001-12-20 | Siemens Ag | Mehrband-Mobilfunkendgerät und Antennen-Schalteinrichtung für ein solches |
US6804308B1 (en) * | 2000-06-28 | 2004-10-12 | Northrop Grumman Corporation | Receiver including frequency down-converter and analog-to-digital converter for a wireless telecommunication system |
US6735421B1 (en) * | 2000-06-28 | 2004-05-11 | Northrop Grumman Corporation | Receiver including low noise amplifier and frequency down-converter for a wireless telecommunication system |
US6631255B1 (en) * | 2000-06-28 | 2003-10-07 | Northrop Grumman Corporation | Multi-carrier receiver for a wireless telecommunication system |
US6741847B1 (en) * | 2000-06-28 | 2004-05-25 | Northrop Grumman Corporation | Multi-carrier receiver frequency conversion architecture |
CN100426895C (zh) * | 2001-12-07 | 2008-10-15 | 中兴通讯股份有限公司 | 一种无线基站中的信号接收方法及装置 |
GB2384124B (en) * | 2002-01-10 | 2004-03-31 | Motorola Inc | Arrangement and method for radio receiver |
US9026070B2 (en) * | 2003-12-18 | 2015-05-05 | Qualcomm Incorporated | Low-power wireless diversity receiver with multiple receive paths |
US9450665B2 (en) * | 2005-10-19 | 2016-09-20 | Qualcomm Incorporated | Diversity receiver for wireless communication |
KR100666338B1 (ko) * | 2006-01-17 | 2007-01-09 | 인티그런트 테크놀로지즈(주) | 전파식별용 리더기 및 전파식별 시스템. |
JP2009171349A (ja) * | 2008-01-17 | 2009-07-30 | Nsc Co Ltd | 受信機 |
GB0905820D0 (en) | 2009-04-03 | 2009-05-20 | Bae Systems Plc | Improvements relating to signal processing |
US9178669B2 (en) | 2011-05-17 | 2015-11-03 | Qualcomm Incorporated | Non-adjacent carrier aggregation architecture |
US9252827B2 (en) | 2011-06-27 | 2016-02-02 | Qualcomm Incorporated | Signal splitting carrier aggregation receiver architecture |
US9154179B2 (en) | 2011-06-29 | 2015-10-06 | Qualcomm Incorporated | Receiver with bypass mode for improved sensitivity |
US8774334B2 (en) | 2011-11-09 | 2014-07-08 | Qualcomm Incorporated | Dynamic receiver switching |
US9362958B2 (en) | 2012-03-02 | 2016-06-07 | Qualcomm Incorporated | Single chip signal splitting carrier aggregation receiver architecture |
US9172402B2 (en) | 2012-03-02 | 2015-10-27 | Qualcomm Incorporated | Multiple-input and multiple-output carrier aggregation receiver reuse architecture |
US9118439B2 (en) | 2012-04-06 | 2015-08-25 | Qualcomm Incorporated | Receiver for imbalanced carriers |
US9154356B2 (en) | 2012-05-25 | 2015-10-06 | Qualcomm Incorporated | Low noise amplifiers for carrier aggregation |
US9867194B2 (en) | 2012-06-12 | 2018-01-09 | Qualcomm Incorporated | Dynamic UE scheduling with shared antenna and carrier aggregation |
US9300420B2 (en) | 2012-09-11 | 2016-03-29 | Qualcomm Incorporated | Carrier aggregation receiver architecture |
US9543903B2 (en) | 2012-10-22 | 2017-01-10 | Qualcomm Incorporated | Amplifiers with noise splitting |
US8995591B2 (en) | 2013-03-14 | 2015-03-31 | Qualcomm, Incorporated | Reusing a single-chip carrier aggregation receiver to support non-cellular diversity |
US10177722B2 (en) | 2016-01-12 | 2019-01-08 | Qualcomm Incorporated | Carrier aggregation low-noise amplifier with tunable integrated power splitter |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5291474A (en) * | 1989-05-18 | 1994-03-01 | Nokia Mobile Phones Ltd. | Procedure for forming frequencies of a digital radio telephone |
ATE233971T1 (de) * | 1991-05-13 | 2003-03-15 | Xircom Wireless Inc | Sender/empfänger mit zwei betriebsarten |
FI89845C (fi) * | 1991-09-04 | 1993-11-25 | Nokia Mobile Phones Ltd | Koppling foer alstring av saendningssignal i en radiotelefon |
FI89848C (fi) * | 1991-09-25 | 1993-11-25 | Nokia Mobile Phones Ltd | Generering av saendningssignalen i en mobiltelefon |
FI91819C (fi) * | 1991-11-05 | 1994-08-10 | Nokia Mobile Phones Ltd | Menetelmä kahden eri taajuusalueella toimivan digitaalisen radiopuhelimen taajuuksien muodostamiseksi |
FI102798B1 (fi) * | 1992-07-28 | 1999-02-15 | Nokia Mobile Phones Ltd | Digitaalisen matkapuhelimen radiotaajuusosan piirijärjestely |
US5359156A (en) * | 1992-11-18 | 1994-10-25 | Tritech Microelectronics International Pte Ltd | Integrated circuit for digitizer table with dedicated digital signal processor for improved noise immunity |
FR2707063B1 (ja) * | 1993-06-25 | 1995-09-22 | Alcatel Mobile Comm France | |
JP2531353B2 (ja) * | 1993-07-21 | 1996-09-04 | 日本電気株式会社 | 無線受信機 |
SG43121A1 (en) * | 1993-10-14 | 1997-10-17 | Ericsson Ge Mobile Inc | Adaptive bandwidth receiver |
-
1997
- 1997-01-31 FI FI970437A patent/FI108486B/fi active
-
1998
- 1998-01-20 JP JP10009131A patent/JPH10224250A/ja active Pending
- 1998-01-30 EP EP98660008A patent/EP0856952B1/en not_active Expired - Lifetime
- 1998-01-30 DE DE69831763T patent/DE69831763T2/de not_active Expired - Lifetime
- 1998-01-30 US US09/016,031 patent/US6069923A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FI970437A (fi) | 1998-08-01 |
EP0856952A3 (en) | 2003-02-19 |
EP0856952B1 (en) | 2005-10-05 |
FI970437A0 (fi) | 1997-01-31 |
JPH10224250A (ja) | 1998-08-21 |
EP0856952A2 (en) | 1998-08-05 |
US6069923A (en) | 2000-05-30 |
DE69831763T2 (de) | 2006-06-14 |
DE69831763D1 (de) | 2006-02-16 |
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