BR0318509A - transceptor rf digital com modos de geração de imagem múltipla - Google Patents
transceptor rf digital com modos de geração de imagem múltiplaInfo
- Publication number
- BR0318509A BR0318509A BRPI0318509-5A BR0318509A BR0318509A BR 0318509 A BR0318509 A BR 0318509A BR 0318509 A BR0318509 A BR 0318509A BR 0318509 A BR0318509 A BR 0318509A
- Authority
- BR
- Brazil
- Prior art keywords
- sample data
- data signal
- modulated
- modulated sample
- frequency
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
- H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
-
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
Abstract
"TRANSCEPTOR RF DIGITAL COM MODOS DE GERAçãO DE IMAGEM MúLTIPLA". As modalidades reveladas se referem a um circuito (100) de freqüência de rádio (RF) digital que cria um sinal em uma faixa desejada em um espectro de freqüência. O circuito RF (100) compreende conjunto de circuitos (104) que produz um primeiro sinal (105) modulado de dados de amostra tendo uma primeira freqüência e uma primeira taxa de relógio de dados de amostra. Um modulador (108) de amostrador ascendente recebe o primeiro sinal modulado de dados de amostra e produz um segundo sinal (109) modulado de dados de amostra tendo uma segunda freqüência e uma segunda taxa de relógio de dados de amostra. O circuito RF (100) pode compreender também conjunto de circuitos (112) que recebe o primeiro sinal modulado de dados de amostra e o segundo sinal modulado de dados de amostra e distribui um dentre o primeiro sinal (105) modulado de dados de amostra e o segundo sinal (109) de dados de amostra para processamento adicional dependendo de qual sinal modulado de dados de amostra exibe características desejáveis para um determinado ambiente de operação.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2003/029949 WO2005041408A1 (en) | 2003-09-25 | 2003-09-25 | Digital rf transceiver with multiple imaging modes |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0318509A true BR0318509A (pt) | 2006-09-12 |
Family
ID=34519476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0318509-5A BR0318509A (pt) | 2003-09-25 | 2003-09-25 | transceptor rf digital com modos de geração de imagem múltipla |
Country Status (10)
Country | Link |
---|---|
US (1) | US20070121754A1 (pt) |
EP (1) | EP1665533B1 (pt) |
JP (1) | JP4390771B2 (pt) |
KR (1) | KR100996474B1 (pt) |
CN (1) | CN1839546B (pt) |
AU (1) | AU2003272650A1 (pt) |
BR (1) | BR0318509A (pt) |
DE (1) | DE60323165D1 (pt) |
MX (1) | MXPA06003286A (pt) |
WO (1) | WO2005041408A1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005043487A1 (de) * | 2005-09-13 | 2007-03-15 | Abb Patent Gmbh | Automatisierungstechnische Einrichtung |
WO2007099411A1 (en) * | 2006-02-28 | 2007-09-07 | Nokia Corporation | Reducing electromagnetic interferences |
CN101917376B (zh) * | 2010-07-30 | 2012-12-19 | 福建新大陆通信科技股份有限公司 | 一种多载波数字接收机中数字下变频系统的两级变频方法 |
KR101406580B1 (ko) * | 2014-03-12 | 2014-06-11 | 강창식 | 향상된 지진 정보 획득이 가능한 지진 기록계의 필터부 설계 시스템 및 설계 방법 |
CN104065608B (zh) * | 2014-06-03 | 2018-01-26 | 北京创毅视讯科技有限公司 | 一种通信设备的数据处理方法及通信设备 |
GB201800101D0 (en) * | 2018-01-04 | 2018-02-21 | Nordic Semiconductor Asa | Matched-filter radio receiver |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3400003B2 (ja) * | 1993-02-18 | 2003-04-28 | 株式会社日立製作所 | 複素変復調方式 |
JPH0983588A (ja) * | 1995-09-18 | 1997-03-28 | Mitsubishi Electric Corp | 復調器及び変復調システム及び復調方法 |
US5732333A (en) * | 1996-02-14 | 1998-03-24 | Glenayre Electronics, Inc. | Linear transmitter using predistortion |
WO1997042742A2 (en) * | 1996-05-08 | 1997-11-13 | Philips Electronics N.V. | Transmission of a digital information signal having a specific first sampling frequency |
US5930301A (en) | 1996-06-25 | 1999-07-27 | Harris Corporation | Up-conversion mechanism employing side lobe-selective pre-distortion filter and frequency replica-selecting bandpass filter respectively installed upstream and downstream of digital-to-analog converter |
US6359938B1 (en) * | 1996-10-31 | 2002-03-19 | Discovision Associates | Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing |
US6208671B1 (en) * | 1998-01-20 | 2001-03-27 | Cirrus Logic, Inc. | Asynchronous sample rate converter |
US6347123B1 (en) | 1998-07-10 | 2002-02-12 | Qualcomm Incorporated | Low-current sample rate converter |
US6327311B1 (en) * | 1998-10-09 | 2001-12-04 | Broadcom Homenetworking, Inc. | Frequency diverse single carrier modulation for robust communication over in-premises wiring |
EP0999645B1 (en) * | 1998-11-03 | 2007-08-08 | Freescale Semiconductor, Inc. | Data converter |
US6973146B1 (en) * | 2000-08-29 | 2005-12-06 | Lucent Technologies Inc. | Resampler for a bit pump and method of resampling a signal associated therewith |
US7170880B2 (en) * | 2001-10-16 | 2007-01-30 | Conexant, Inc. | Sample rate change between single-carrier and multi-carrier waveforms |
US7167513B2 (en) * | 2001-12-31 | 2007-01-23 | Intel Corporation | IQ imbalance correction |
US7016657B2 (en) * | 2002-01-30 | 2006-03-21 | Nokia Corporation | Apparatus, and associated method, for communication system utilizing space-generated multilevel coding |
AU2003201480A1 (en) * | 2002-02-15 | 2003-09-04 | Koninklijke Philips Electronics N.V. | Digital modulator |
DE60314511T2 (de) * | 2002-04-30 | 2008-02-28 | Koninklijke Philips Electronics N.V. | Rückwarts-kompatibles übertragungssystem für dvb-s standard |
KR100593176B1 (ko) * | 2004-06-16 | 2006-06-26 | 삼성전자주식회사 | 멀티 모드용 아날로그 베이스밴드 처리기 및 신호 처리 방법 |
-
2003
- 2003-09-25 EP EP03754845A patent/EP1665533B1/en not_active Expired - Fee Related
- 2003-09-25 MX MXPA06003286A patent/MXPA06003286A/es active IP Right Grant
- 2003-09-25 CN CN038271125A patent/CN1839546B/zh not_active Expired - Fee Related
- 2003-09-25 US US10/572,695 patent/US20070121754A1/en not_active Abandoned
- 2003-09-25 JP JP2005509900A patent/JP4390771B2/ja not_active Expired - Fee Related
- 2003-09-25 AU AU2003272650A patent/AU2003272650A1/en not_active Abandoned
- 2003-09-25 KR KR1020067005888A patent/KR100996474B1/ko not_active IP Right Cessation
- 2003-09-25 WO PCT/US2003/029949 patent/WO2005041408A1/en active Application Filing
- 2003-09-25 DE DE60323165T patent/DE60323165D1/de not_active Expired - Lifetime
- 2003-09-25 BR BRPI0318509-5A patent/BR0318509A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1665533B1 (en) | 2008-08-20 |
US20070121754A1 (en) | 2007-05-31 |
AU2003272650A1 (en) | 2005-05-11 |
DE60323165D1 (de) | 2008-10-02 |
CN1839546B (zh) | 2010-05-26 |
KR20060093701A (ko) | 2006-08-25 |
EP1665533A1 (en) | 2006-06-07 |
KR100996474B1 (ko) | 2010-11-24 |
EP1665533A4 (en) | 2006-11-15 |
JP2007521692A (ja) | 2007-08-02 |
CN1839546A (zh) | 2006-09-27 |
WO2005041408A1 (en) | 2005-05-06 |
JP4390771B2 (ja) | 2009-12-24 |
MXPA06003286A (es) | 2007-02-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 10A ANUIDADE. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2259 DE 22/04/2014. |