DE69921495T2 - Doppelmodus mit einem einzelnen Empfängerschaltkreis - Google Patents
Doppelmodus mit einem einzelnen Empfängerschaltkreis Download PDFInfo
- Publication number
- DE69921495T2 DE69921495T2 DE69921495T DE69921495T DE69921495T2 DE 69921495 T2 DE69921495 T2 DE 69921495T2 DE 69921495 T DE69921495 T DE 69921495T DE 69921495 T DE69921495 T DE 69921495T DE 69921495 T2 DE69921495 T2 DE 69921495T2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- components
- receiver according
- bandwidth
- communication receiver
- 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
- 230000009977 dual effect Effects 0.000 title 1
- 238000004891 communication Methods 0.000 claims description 24
- 238000001228 spectrum Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 230000006798 recombination Effects 0.000 claims description 7
- 238000005215 recombination Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 6
- 229920005994 diacetyl cellulose Polymers 0.000 claims description 5
- 230000010363 phase shift Effects 0.000 claims 1
- 239000013598 vector Substances 0.000 description 10
- 230000003595 spectral effect Effects 0.000 description 8
- 238000001914 filtration Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 101100112673 Rattus norvegicus Ccnd2 gene Proteins 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 235000014366 other mixer Nutrition 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- 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
- H04B1/30—Circuits for homodyne or synchrodyne receivers
-
- 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
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
- H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
-
- 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)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19990403266 EP1111803B1 (en) | 1999-12-23 | 1999-12-23 | Dual mode with a single receiver circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69921495D1 DE69921495D1 (de) | 2004-12-02 |
| DE69921495T2 true DE69921495T2 (de) | 2005-02-24 |
Family
ID=8242232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69921495T Expired - Fee Related DE69921495T2 (de) | 1999-12-23 | 1999-12-23 | Doppelmodus mit einem einzelnen Empfängerschaltkreis |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6931241B2 (enExample) |
| EP (1) | EP1111803B1 (enExample) |
| JP (1) | JP4355443B2 (enExample) |
| KR (1) | KR100736057B1 (enExample) |
| DE (1) | DE69921495T2 (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7099688B2 (en) * | 2001-12-07 | 2006-08-29 | Matsushita Electric Industrial Co., Ltd. | Combined Low-IF/direct down conversion baseband architecture for 3G GSM/WCDMA receivers |
| US6819910B2 (en) * | 2002-03-08 | 2004-11-16 | Broadcom Corp. | Radio employing a self calibrating transmitter with reuse of receiver circuitry |
| US7310386B2 (en) * | 2002-04-25 | 2007-12-18 | Broadcom Corporation | Radio receiver utilizing a single analog to digital converter |
| FR2843249A1 (fr) * | 2002-07-31 | 2004-02-06 | Koninkl Philips Electronics Nv | Recepteur comportant des moyens de reception multiples en parallele. |
| TW566011B (en) * | 2002-09-23 | 2003-12-11 | Ind Tech Res Inst | Dual mode receiving method and device |
| US7003263B2 (en) * | 2003-05-12 | 2006-02-21 | Lucent Technologies Inc. | Telecommunications receiver and a transmitter |
| US20050020222A1 (en) * | 2003-05-27 | 2005-01-27 | Broadcom Corporation | Apparatuses and methods for tuning a frequency conversion device and processing a signal |
| DE10360470B4 (de) * | 2003-12-22 | 2010-11-18 | Infineon Technologies Ag | Verfahren und Vorrichtung zum Demodulieren eines Empfangssignals |
| KR100622646B1 (ko) * | 2004-05-12 | 2006-09-14 | 전자부품연구원 | 2.3 - 2.4 ＧＨｚ 무선 통신을 위한 다중표준 송수신기구조 |
| WO2006063358A1 (en) * | 2004-12-10 | 2006-06-15 | Maxlinear Inc. | Harmonic reject receiver architecture and mixer |
| KR100618347B1 (ko) | 2005-02-01 | 2006-08-31 | 삼성전자주식회사 | 생성하는 4개의 쿼드러쳐신호 모두에 대해 위상조정이가능한 쿼드러쳐신호 생성장치 |
| US7142144B1 (en) * | 2005-05-19 | 2006-11-28 | Ami Semiconductor, Inc. | Low power sigma delta modulator |
| EP1911158A1 (en) * | 2005-07-20 | 2008-04-16 | The National University of Singapore | Cancellation of anti-resonance in resonators |
| US8059758B2 (en) * | 2006-02-10 | 2011-11-15 | Qualcomm, Incorporated | Conversion of multiple analog signals in an analog to digital converter |
| FR2900006B1 (fr) * | 2006-04-13 | 2013-09-20 | St Microelectronics Sa | Recepteur de signal radio, du type a frequence intermediaire |
| US8099072B2 (en) * | 2006-11-21 | 2012-01-17 | Qualcomm Incorporated | Frequency changer circuits |
| KR100897158B1 (ko) * | 2007-12-03 | 2009-05-14 | 한국전자통신연구원 | 다중 채널 튜닝 수신 장치 및 그 다중 채널 튜닝 방법 |
| DE102008003669B4 (de) * | 2008-01-09 | 2010-10-21 | Eads Deutschland Gmbh | Verfahren zum Empfang eines breitbandigen elektromagnetischen Signals |
| US8085088B2 (en) * | 2009-03-04 | 2011-12-27 | National Semiconductor Corporation | Quadrature signal demodulator circuitry suitable for doppler ultrasound |
| US8514919B2 (en) | 2009-08-26 | 2013-08-20 | Bae Systems National Security Solutions Inc. | Synthetic instrument unit |
| EP2434641B1 (en) | 2010-09-24 | 2012-12-05 | Telefonaktiebolaget L M Ericsson (PUBL) | Complex intermediate frequency mixer stage and calibration thereof |
| EP2434640B1 (en) * | 2010-09-24 | 2012-12-05 | Telefonaktiebolaget L M Ericsson (PUBL) | Correction of imbalances in a complex intermediate frequency mixer |
| WO2019031447A1 (ja) * | 2017-08-08 | 2019-02-14 | 日本電信電話株式会社 | 光送信機、光受信機及び通信システム |
| CN108897019A (zh) * | 2018-04-27 | 2018-11-27 | 武汉大学 | 一种双模双通道的gps/北斗二代导航射频接收系统 |
| US11456898B2 (en) * | 2020-01-21 | 2022-09-27 | Maxim Integrated Products, Inc. | Low-power complex analog LMS adaptation systems and methods |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5053983A (en) * | 1971-04-19 | 1991-10-01 | Hyatt Gilbert P | Filter system having an adaptive control for updating filter samples |
| US5815525A (en) * | 1991-05-13 | 1998-09-29 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
| US5668837A (en) * | 1993-10-14 | 1997-09-16 | Ericsson Inc. | Dual-mode radio receiver for receiving narrowband and wideband signals |
| US5642358A (en) * | 1994-04-08 | 1997-06-24 | Ericsson Inc. | Multiple beamwidth phased array |
| US5745846A (en) * | 1995-08-07 | 1998-04-28 | Lucent Technologies, Inc. | Channelized apparatus for equalizing carrier powers of multicarrier signal |
| FR2742946B1 (fr) * | 1995-12-22 | 1998-01-16 | Alcatel Mobile Comm France | Terminal de radiocommunication multimode |
| FI108486B (fi) * | 1997-01-31 | 2002-01-31 | Nokia Corp | Menetelmõ ja piirijõrjestely vastaanotettujen signaalien kõsittelemiseksi tiedonsiirtojõrjestelmõssõ |
| US5974305A (en) * | 1997-05-15 | 1999-10-26 | Nokia Mobile Phones Limited | Dual band architectures for mobile stations |
| US6157329A (en) * | 1997-09-15 | 2000-12-05 | Massachusetts Institute Of Technology | Bandpass sigma-delta modulator employing high-Q resonator for narrowband noise suppression |
| JPH11234150A (ja) * | 1998-02-09 | 1999-08-27 | Toshiba Corp | デジタル復調装置 |
| US6337885B1 (en) * | 1998-02-13 | 2002-01-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio receiver that digitizes a received signal at a plurality of digitization frequencies |
| US6028850A (en) * | 1998-07-10 | 2000-02-22 | Hyundai Electronics America, Inc. | Wireless transceiver and frequency plan |
| US6330290B1 (en) * | 1998-09-25 | 2001-12-11 | Lucent Technologies, Inc. | Digital I/Q imbalance compensation |
| US6160859A (en) * | 1998-10-19 | 2000-12-12 | Motorola, Inc. | Integrated multi-mode bandpass sigma-delta receiver subsystem with interference mitigation and method of using the same |
| US6675024B1 (en) * | 1999-09-30 | 2004-01-06 | Skyworks Solutions, Inc. | System and method for receiving analog and digital signals |
-
1999
- 1999-12-23 DE DE69921495T patent/DE69921495T2/de not_active Expired - Fee Related
- 1999-12-23 EP EP19990403266 patent/EP1111803B1/en not_active Expired - Lifetime
-
2000
- 2000-12-21 US US09/746,692 patent/US6931241B2/en not_active Expired - Lifetime
- 2000-12-21 JP JP2000389165A patent/JP4355443B2/ja not_active Expired - Fee Related
- 2000-12-22 KR KR1020000080523A patent/KR100736057B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69921495D1 (de) | 2004-12-02 |
| KR20010062641A (ko) | 2001-07-07 |
| JP4355443B2 (ja) | 2009-11-04 |
| KR100736057B1 (ko) | 2007-07-06 |
| EP1111803A1 (en) | 2001-06-27 |
| US20010014594A1 (en) | 2001-08-16 |
| JP2001217800A (ja) | 2001-08-10 |
| US6931241B2 (en) | 2005-08-16 |
| EP1111803B1 (en) | 2004-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: FREESCALE SEMICONDUCTOR, INC., AUSTIN, TEX., US |
|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |