DK1524777T3 - Radiotransceiver på en chip - Google Patents
Radiotransceiver på en chip Download PDFInfo
- Publication number
- DK1524777T3 DK1524777T3 DK04078191.6T DK04078191T DK1524777T3 DK 1524777 T3 DK1524777 T3 DK 1524777T3 DK 04078191 T DK04078191 T DK 04078191T DK 1524777 T3 DK1524777 T3 DK 1524777T3
- Authority
- DK
- Denmark
- Prior art keywords
- radio
- signal
- frequency signal
- filter
- 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
- H04B1/38—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
- H04B1/44—Transmit/receive switching
-
- 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
- H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency
-
- 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
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
-
- 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
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/10—Arrangements for reducing cross-talk between channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/12—Modulator circuits; Transmitter circuits
- H04L27/122—Modulator circuits; Transmitter circuits using digital generation of carrier signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1461—Suppression of signals in the return path, i.e. bidirectional control circuits
-
- 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
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
- H04B2001/7152—Interference-related aspects with means for suppressing interference
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transceivers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Superheterodyne Receivers (AREA)
- Transmitters (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Radar Systems Or Details Thereof (AREA)
- Credit Cards Or The Like (AREA)
Claims (24)
1. Radio til modtagelse og afsendelse af højfrekvenssignaler, omfattende: et nedkonverteringsafsnit, der er indrettet til at nedkonvertere et modtaget første højfrekvenssignal til et mellemfrekvenssignal med en lavere frekvens end det første højfrekvenssignal; et opkonverteringsafsnit, der er indrettet til at opkonvertere et informationssignal, der skal sendes, til et andet højfrekvenssignal; et filter til filtrering af mellemfrekvenssignalet; en detektor til genvinding af informationer; og en variabel styret oscillator, indbefattet i en frekvenssynthesizer, der er forbundet med nedkonverteringsafsnittet og indrettet til at anvendes skiftevis til ned konvertering af det første højfrekvenssignal i en modtagelsescyklus og til opkonvertering af informationssignalet i en transmissionscyklus i tidsdelt du-plexmodus; kendetegnet ved, at opkonverteringsafsnittet, nedkonverteringsafsnittet og frekvenssynthesizeren er integreret på en enkelt IC-chip, og den variable styrede oscillator moduleres af informationssignalet i transmissionscyklussen.
2. Radio ifølge krav 1, yderligere omfattende et formfilter til formning af informationssignalet, hvilket formfilter er forbundet med en indgangsterminal af IC-chippen.
3. Radio ifølge krav 2, hvor formfilteret omfatter et gaussisk formfilter.
4. Radio ifølge et af de foregående krav, hvor den variable styrede oscillator har båndtråde som resonatorer.
5. Radio ifølge et af de foregående krav, hvor mellemfrekvenssignalet har en lav mellemfrekvens.
6. Radio ifølge krav 5, hvor den lave mellemfrekvens er ca. 3 MHz.
7. Radio ifølge et af de foregående krav, yderligere omfattende midler til automatisk fejlkorrektur af gensendingsanmodning til dataoverførsel.
8. Radio ifølge et af de foregående krav, yderligere omfattende midler til deltamodulation med kontinuerlig variabel stigning til overførsel af stemmer.
9. Radio ifølge et af de foregående krav, yderligere omfattende frekvens-springmidler til tilvejebringelse af frekvensspringspredning.
10. Radio ifølge et af de foregående krav, hvor detektoren er en diskriminator til genvinding af informationer.
11. Radio ifølge krav 10, hvor diskriminatoren omfatter en frekvensmodulati-onsdiskriminator.
12. Radio ifølge et af de foregående krav, yderligere omfattende et modulationsmiddel til binært frekvensskift.
13. Radio ifølge et af de foregående krav, hvor en udgang af den variable styrede oscillator er forbundet med en effektforstærker.
14. Radio ifølge et af de foregående krav, yderligere omfattende en billedaf-viserindretning.
15. Radio ifølge krav 14, hvor billedafvisningsindretningen er et billedafvis-ningsblandertrin af nedkonverteringsafsnittet.
16. Radio ifølge et af de foregående krav, yderligere omfattende automatiske afstemningsmidler til automatisk afstemning af en flerhed af filtre og en FM- diskriminator.
17. Radio ifølge et af de foregående krav, hvor radioen er indrettet til at afsende og modtage højfrekvenssignaler under anvendelse af et frekvensde-lingsduplexskema.
18. Radio ifølge et af de foregående krav, hvor den variable styrede oscillator i modtagecyklussen genererer en lokal oscillatorbærer, som skal blandes med det første højfrekvenssignal.
19. Radio ifølge et af de foregående krav, hvor filteret til filtrering af mellemfrekvenssignalet er et båndpasfilter, der er forbundet med nedkonverterings-afsnittet og indstillet til at lade mellemfrekvenssignalet passere.
20. Radio ifølge et af kravene 1 til 18, hvor filteret er et kanalfilter.
21. Radio ifølge et af de foregående krav, hvor kun én variabel styret oscillator er integreret på nævnte enkelte IC-chip.
22. Radio ifølge et af de foregående krav, omfattende et antenneafsnit til afsendelse og modtagelse af en flerhed af højfrekvenssignaler.
23. Fremgangsmåde til drift af en radiotransceiver, omfattende følgende trin: modulation af radiotransceiveren i tidsdelt duplexmodus; ned konvertering af et modtaget radiofrekvenssignal til et mellemfrekvenssignal med en lavere frekvens end radiofrekvenssignalet i en modtagelsescyklus ved hjælp af en variabel styret oscillator; filtrering af mellemfrekvenssignalet; detektering af et første informationssignal fra det filtrerede mellemfrekvenssignal; og opkonvertering af et andet informationssignal til et højfrekvenssignal ved hjælp af den variable styrede oscillator; kendetegnet ved, at den variable styrede oscillator er indbefattet i en frekvenssynthesizer, der er integreret i en enkelt IC-chip; og ved at trinnet med opkonvertering omfatter opkonvertering af det andet informationssignal til højfrekvenssignalet i en transmissionscyklus ved modulering af den variable styrede oscillator ved hjælp af det andet informationssignal.
24. Fremgangsmåde ifølge krav 23, yderligere omfattende formning af det andet informationssignal ved hjælp af et formfilter.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/803,392 US6633550B1 (en) | 1997-02-20 | 1997-02-20 | Radio transceiver on a chip |
EP98905924A EP0962061B1 (en) | 1997-02-20 | 1998-02-20 | Radio transceiver on a chip |
Publications (1)
Publication Number | Publication Date |
---|---|
DK1524777T3 true DK1524777T3 (da) | 2015-06-15 |
Family
ID=25186404
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK04078191.6T DK1524777T3 (da) | 1997-02-20 | 1998-02-20 | Radiotransceiver på en chip |
DK98905924.1T DK0962061T3 (da) | 1997-02-20 | 1998-02-20 | Radiotransceiver på en chip |
DK04078190.8T DK1524776T3 (da) | 1997-02-20 | 1998-02-20 | Radiotransceiver på en chip |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK98905924.1T DK0962061T3 (da) | 1997-02-20 | 1998-02-20 | Radiotransceiver på en chip |
DK04078190.8T DK1524776T3 (da) | 1997-02-20 | 1998-02-20 | Radiotransceiver på en chip |
Country Status (14)
Country | Link |
---|---|
US (10) | US6633550B1 (da) |
EP (3) | EP0962061B1 (da) |
JP (2) | JP2001513952A (da) |
KR (1) | KR100683993B1 (da) |
CN (1) | CN1143446C (da) |
AU (1) | AU729799B2 (da) |
BR (1) | BRPI9807585B1 (da) |
DK (3) | DK1524777T3 (da) |
EE (1) | EE9900356A (da) |
ES (3) | ES2405616T3 (da) |
HK (1) | HK1026787A1 (da) |
MY (1) | MY119790A (da) |
PL (1) | PL335056A1 (da) |
WO (1) | WO1998037639A1 (da) |
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- 1998-02-20 EP EP98905924A patent/EP0962061B1/en not_active Expired - Lifetime
- 1998-02-20 AU AU61286/98A patent/AU729799B2/en not_active Expired
- 1998-02-20 EP EP04078190A patent/EP1524776B1/en not_active Expired - Lifetime
- 1998-02-20 JP JP53656398A patent/JP2001513952A/ja active Pending
- 1998-02-20 EP EP20040078191 patent/EP1524777B1/en not_active Expired - Lifetime
- 1998-02-20 BR BRPI9807585A patent/BRPI9807585B1/pt active IP Right Grant
- 1998-02-20 ES ES98905924T patent/ES2405616T3/es not_active Expired - Lifetime
- 1998-02-20 DK DK04078191.6T patent/DK1524777T3/da active
- 1998-02-20 ES ES04078191.6T patent/ES2543334T3/es not_active Expired - Lifetime
- 1998-02-20 KR KR1019997007373A patent/KR100683993B1/ko not_active IP Right Cessation
- 1998-02-20 DK DK98905924.1T patent/DK0962061T3/da active
- 1998-02-20 EE EEP199900356A patent/EE9900356A/xx unknown
- 1998-02-20 ES ES04078190T patent/ES2405740T3/es not_active Expired - Lifetime
- 1998-02-20 WO PCT/SE1998/000307 patent/WO1998037639A1/en active IP Right Grant
- 1998-02-20 DK DK04078190.8T patent/DK1524776T3/da active
- 1998-02-20 CN CNB988026775A patent/CN1143446C/zh not_active Expired - Lifetime
- 1998-02-20 PL PL98335056A patent/PL335056A1/xx unknown
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2000
- 2000-05-05 US US09/565,223 patent/US6477148B1/en not_active Expired - Lifetime
- 2000-09-20 HK HK00105952A patent/HK1026787A1/xx not_active IP Right Cessation
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2003
- 2003-07-24 US US10/626,025 patent/US7149191B2/en not_active Expired - Fee Related
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2004
- 2004-04-12 US US10/822,594 patent/US7068171B2/en not_active Expired - Lifetime
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2005
- 2005-01-27 US US11/044,287 patent/US7580683B2/en not_active Expired - Lifetime
- 2005-11-11 US US11/271,173 patent/US7269144B2/en not_active Expired - Lifetime
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2008
- 2008-03-04 JP JP2008053065A patent/JP2008178135A/ja active Pending
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2009
- 2009-07-13 US US12/501,616 patent/US8005439B2/en not_active Expired - Fee Related
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2011
- 2011-08-09 US US13/205,984 patent/US8626086B2/en not_active Expired - Fee Related
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2013
- 2013-12-02 US US14/093,842 patent/US8954020B2/en not_active Expired - Fee Related
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2014
- 2014-12-22 US US14/579,159 patent/US20150139047A1/en not_active Abandoned
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