DK0894369T3 - Fordeling af radiofrekvenssignaler gennem infrastrukturer med lille båndbredde - Google Patents

Fordeling af radiofrekvenssignaler gennem infrastrukturer med lille båndbredde

Info

Publication number
DK0894369T3
DK0894369T3 DK97922450T DK97922450T DK0894369T3 DK 0894369 T3 DK0894369 T3 DK 0894369T3 DK 97922450 T DK97922450 T DK 97922450T DK 97922450 T DK97922450 T DK 97922450T DK 0894369 T3 DK0894369 T3 DK 0894369T3
Authority
DK
Denmark
Prior art keywords
signal
low bandwidth
global reference
bandwidth
radio frequency
Prior art date
Application number
DK97922450T
Other languages
Danish (da)
English (en)
Inventor
John B Georges
David M Cutrer
Kam Y Lau
Original Assignee
Lgc Wireless Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24547515&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0894369(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lgc Wireless Inc filed Critical Lgc Wireless Inc
Application granted granted Critical
Publication of DK0894369T3 publication Critical patent/DK0894369T3/da

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
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2609—Arrangements for range control, e.g. by using remote antennas
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/14—WLL [Wireless Local Loop]; RLL [Radio Local Loop]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Relay Systems (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DK97922450T 1996-04-19 1997-04-18 Fordeling af radiofrekvenssignaler gennem infrastrukturer med lille båndbredde DK0894369T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63536896A 1996-04-19 1996-04-19
PCT/US1997/006920 WO1997040590A1 (en) 1996-04-19 1997-04-18 Distribution of radio-frequency signals through low bandwidth infrastructures

Publications (1)

Publication Number Publication Date
DK0894369T3 true DK0894369T3 (da) 2004-06-28

Family

ID=24547515

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97922450T DK0894369T3 (da) 1996-04-19 1997-04-18 Fordeling af radiofrekvenssignaler gennem infrastrukturer med lille båndbredde

Country Status (12)

Country Link
US (1) US5765099A (ja)
EP (1) EP0894369B1 (ja)
JP (1) JP3565563B2 (ja)
CN (1) CN1240192C (ja)
AT (1) ATE260001T1 (ja)
AU (1) AU715343B2 (ja)
CA (1) CA2251959C (ja)
DE (1) DE69727664T2 (ja)
DK (1) DK0894369T3 (ja)
ES (1) ES2216144T3 (ja)
PT (1) PT894369E (ja)
WO (1) WO1997040590A1 (ja)

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EP0894369B1 (en) 2004-02-18
DE69727664T2 (de) 2004-12-23
DE69727664D1 (de) 2004-03-25
EP0894369A4 (en) 1999-08-04
US5765099A (en) 1998-06-09
CN1240192C (zh) 2006-02-01
PT894369E (pt) 2004-07-30
AU715343B2 (en) 2000-01-20
ATE260001T1 (de) 2004-03-15
AU2811297A (en) 1997-11-12
CA2251959A1 (en) 1997-10-30
WO1997040590A1 (en) 1997-10-30
CA2251959C (en) 2001-12-25
ES2216144T3 (es) 2004-10-16
CN1224549A (zh) 1999-07-28
EP0894369A1 (en) 1999-02-03
JP3565563B2 (ja) 2004-09-15
JP2000509224A (ja) 2000-07-18

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