CA2474361A1 - Procede et dispositif permettant de generer un signal porteur multiple haute frequence - Google Patents
Procede et dispositif permettant de generer un signal porteur multiple haute frequence Download PDFInfo
- Publication number
- CA2474361A1 CA2474361A1 CA002474361A CA2474361A CA2474361A1 CA 2474361 A1 CA2474361 A1 CA 2474361A1 CA 002474361 A CA002474361 A CA 002474361A CA 2474361 A CA2474361 A CA 2474361A CA 2474361 A1 CA2474361 A1 CA 2474361A1
- Authority
- CA
- Canada
- Prior art keywords
- circuit arrangement
- carrier
- frequency
- signal
- carrier signal
- 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.)
- Abandoned
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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0483—Transmitters with multiple parallel paths
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
L'invention se rapporte à un procédé et à un circuit (SA) permettant de générer un signal porteur multiple haute fréquence (TS) à partir de deux signaux porteurs (S1, S2) présentant respectivement une fréquence porteuse (f1, f2). L'invention concerne également un dispositif d'écriture/de lecture (SLG) comprenant ledit circuit ainsi qu'un système d'identification (IDS) comportant au moins un dispositif d'écriture/de lecture et une mémoire de données mobiles (DT1-DT3). Ainsi, l'un des avantages de l'invention réside dans le fait qu'il n'est plus nécessaire de faire appel à des amplificateurs HF (V1, V2) onéreux, à linéarité élevée et qui de surcroît présentent une consommation de courant importante et dégagent une quantité élevée de chaleur, pour obtenir une atténuation minimale (GW) suffisamment grande entre les fréquences porteuses et les composantes de fréquence d'intermodulation adjacentes (2f2-f1, 2f1-f2, ) du signal porteur multiple. De manière avantageuse, l'invention permet en outre d'augmenter la fiabilité et la durée de vie dudit circuit et rend inutile l'utilisation d'un filtre RF onéreux et placé en aval.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10202900 | 2002-01-25 | ||
| DE10202900.8 | 2002-01-25 | ||
| PCT/DE2003/000132 WO2003063370A1 (fr) | 2002-01-25 | 2003-01-17 | Procede et dispositif permettant de generer un signal porteur multiple haute frequence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2474361A1 true CA2474361A1 (fr) | 2003-07-31 |
Family
ID=27588060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002474361A Abandoned CA2474361A1 (fr) | 2002-01-25 | 2003-01-17 | Procede et dispositif permettant de generer un signal porteur multiple haute frequence |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1468500A1 (fr) |
| CA (1) | CA2474361A1 (fr) |
| WO (1) | WO2003063370A1 (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY109809A (en) * | 1992-11-18 | 1997-07-31 | British Tech Group Ltd | Detection of multiple articles |
| SE9601619L (sv) * | 1996-04-29 | 1997-10-30 | Radio Design Innovation Tj Ab | Anordning med sändarkombinerare |
| US6049707A (en) * | 1997-09-02 | 2000-04-11 | Motorola, Inc. | Broadband multicarrier amplifier system and method using envelope elimination and restoration |
-
2003
- 2003-01-17 EP EP03704230A patent/EP1468500A1/fr not_active Withdrawn
- 2003-01-17 WO PCT/DE2003/000132 patent/WO2003063370A1/fr not_active Application Discontinuation
- 2003-01-17 CA CA002474361A patent/CA2474361A1/fr not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP1468500A1 (fr) | 2004-10-20 |
| WO2003063370A1 (fr) | 2003-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Scharfeld | An analysis of the fundamental constraints on low cost passive radio-frequency identification system design | |
| US7369811B2 (en) | System and method for sensitivity optimization of RF receiver using adaptive nulling | |
| Forouzandeh et al. | Self-interference cancelation in frequency-domain chipless RFID readers | |
| WO2004034309A2 (fr) | Recepteur a identification par radiofrequence et procede | |
| JP2001111452A (ja) | 通信装置 | |
| Jung et al. | A novel carrier leakage suppression front-end for UHF RFID reader | |
| KR20130134570A (ko) | 근접장 무선 송수신 회로 및 모바일 단말기 | |
| US5408681A (en) | Automatic repeater station for signal transmissions | |
| Jeon et al. | Front-end module of 18–40 GHz ultra-wideband receiver for electronic warfare system | |
| CN101159024A (zh) | 半导体集成电路装置以及接收装置 | |
| CA2474361A1 (fr) | Procede et dispositif permettant de generer un signal porteur multiple haute frequence | |
| You et al. | Implementation of low‐cost UHF RFID reader front‐ends with carrier leakage suppression circuit | |
| US20050107049A1 (en) | Method and device for generating a high frequency multi-carrier signal | |
| Zhonghua et al. | Carrier extraction cancellation circuit in RFID reader for improving the Tx‐to‐Rx isolation | |
| US6529072B2 (en) | Predistortion-based amplifier, transmitter and envelope detector | |
| Jeon et al. | Design of a 0.5–18 GHz wideband frequency down-converter module with a local circuit for an electronic support measurement system | |
| KR102348617B1 (ko) | 무선 통신 장치 | |
| CA2218861A1 (fr) | Reduction de signaux parasites dans des circuits integres d'emetteurs hf | |
| US8965307B2 (en) | Cryogenic high power filters for high frequency shipboard applications | |
| Vieira et al. | RFID over low cost VCSEL‐based MMF links: experimental demonstration and distortion study | |
| CN114499562B (zh) | 一种带有阻抗映射功能的高灵敏度抗阻塞射频接收机前端 | |
| CN1289482A (zh) | 用于减小带通滤波器系统中互调的电路装置 | |
| Duman | Uplink application circuit for satellite communications | |
| KR100864506B1 (ko) | 다중 주파수 레이더 검출기 | |
| US7177361B2 (en) | Modulator for electromagnetic signals transmitted by a contactless transmission/reception system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |