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DE1043844T1 - Verfahren zur Leistungsregelung in Systemen mit gespreiztem Spektrum - Google Patents

Verfahren zur Leistungsregelung in Systemen mit gespreiztem Spektrum

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Publication number
DE1043844T1
DE1043844T1 DE1043844T DE00114941T DE1043844T1 DE 1043844 T1 DE1043844 T1 DE 1043844T1 DE 1043844 T DE1043844 T DE 1043844T DE 00114941 T DE00114941 T DE 00114941T DE 1043844 T1 DE1043844 T1 DE 1043844T1
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Germany
Prior art keywords
station
power level
commands
received
transmitter
Prior art date
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Pending
Application number
DE1043844T
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English (en)
Inventor
Gary R. Lomp
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InterDigital Technology Corp
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InterDigital Technology Corp
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Application filed by InterDigital Technology Corp filed Critical InterDigital Technology Corp
Publication of DE1043844T1 publication Critical patent/DE1043844T1/de
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Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
    • 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
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0003—Code application, i.e. aspects relating to how codes are applied to form multiplexed channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/08—Closed loop power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/221—TPC being performed according to specific parameters taking into account previous information or commands using past power control commands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/225—Calculation of statistics, e.g. average or variance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/228—TPC being performed according to specific parameters taking into account previous information or commands using past power values or information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/362—Aspects of the step size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/52—Transmission power control [TPC] using AGC [Automatic Gain Control] circuits or amplifiers
    • 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
    • H04B1/709—Correlator structure
    • 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
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707—Efficiency-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure

Landscapes

  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Complex Calculations (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Radio Relay Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Eye Examination Apparatus (AREA)
  • Noise Elimination (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Radio Transmission System (AREA)
  • Burglar Alarm Systems (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Surgical Instruments (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Claims (20)

Europäische Patentanmeldung 1 043 844 InterDigital Technology Corporation „Method for Power Control in Spread Spectrum System" I80254EPT3 Ansprüche
1. Nachrichtenübertragungsstation zur Nachrichtenübertragung mit einer zweiten Station in einem zellularen Nachrichtenübertragungsnetzwerk unter Verwendung einer Spreizspektrum-Modulation, wobei die zweite Station an die Nachrichtenübertragungsstation Leistungsbefehle überträgt, die auf einem von der Nachrichtenübertragungsstation empfangenen Leistungspegel basieren, wobei die Nachrichtenübertragungsstation umfaßt:
einen einen verstellbaren Übertragerleistungspegel aufweisenden Übertrager (335, 341, 342) zur Übertragung von Spreizspektrum-Signalen;
Mittel (334, 335, 336, 339) zum aufeinanderfolgenden Empfangen von Leistungsbefehlen von einer zweiten Station, mit der die Nachrichtenübertragung ausgeführt wird;
Mittel (344, 345, 246) zum Vergleichen einer Folge von mindestens zwei der empfangenen Leistungsbefehle zur Feststellung, ob die empfangenen Befehle in der Folge passen; und
Mittel (341) zur Verstellung des Übertragerleistungspegels mit derselben Rate wie der Empfang der Leistungsbefehle;
wobei, falls die Befehlsfolge paßt, der Übertragerleistungspegel um einen anderen Betrag verstellt wird, als wenn die Befehlsfolge nicht paßt.
2. Nachrichtenübertragungsstation nach Anspruch 1, wobei die Leistungsbefehle mit einer Rate in dem Bereich von 100 Hertz bis 100 Kilohertz empfangen werden.
3. Nachrichtenübertragungsstation nach Anspruch 1, wobei die Verstellungen zur Erhöhung des Übertragerleistungspegels größer sind als die Verstellungen zur Erniedrigung des Übertragerleistungspegels.
4. Übertragungsstation nach Anspruch 1, wobei, falls die Befehlsfolge paßt, eine Größe aufeinanderfolgender Verstellungen des Übertragerleistungspegels um einen festen Prozentsatz erhöht und, falls die Befehlsfolge nicht paßt, die Größe aufeinanderfolgender Verstellungen des Übertragerleistungspegels um den festen Prozentsatz erniedrigt wird.
5. Nachrichtübertragungsstation nach Anspruch 4, wobei der feste Prozentsatz fünfzig Prozent beträgt.
6. Nachrichtenübertragungsstation nach Anspruch 4, wobei der feste Prozentsatz ein Prozent beträgt.
7. Nachrichtenübertragungsstation nach Anspruch 4, wobei die Befehlsfolge zwei Befehle umfaßt.
8. Verfahren zur Verstellung eines Übertragerleistungspegels, der mit einem Übertrager einer Nachrichtenübertragungsstation verknüpft ist, wobei die Nachrichtenübertragungsstation Nachrichten mit einer zweiten Station in einem zellularen Nachrichtenübertragungsnetzwerk unter Verwendung einer Spreizspektrum-Modulation austauscht, wobei die zweite Station an die Nachrichtenübertragungsstation Leistungsbefehle überträgt, die auf einem von der Nachrichtenübertragungsstation empfangenen Leistungspegel basieren, wobei das Verfahren umfaßt:
ein aufeinanderfolgendes Empfangen von Leistungsbefehlen von der zweiten Station, mit der die Nachrichtenübertragung durchgeführt wird;
ein Vergleichen einer Folge von mindestens zwei der empfangenen Leistungsbefehle zur Feststellung, ob die empfangenen Befehle in der Folge passen; und
·"' DITl P 1 043 844 Tl
3
ein Verstellen des Übertragerleistungpegels mit einer selben Rate wie der Empfang der Leistungsbefehle;
wobei, falls die Befehlsfolge paßt, der Übertragerleistungspegel um einen anderen Betrag verstellt wird, als wenn die Befehlsfolge nicht paßt.
9. Verfahren nach Anspruch 8, wobei Leistungsbefehle von der zweiten Station mit einer Rate in dem Bereich von 100 Hertz bis 100 Kilohertz empfangen werden.
10. Verfahren nach Anspruch 8, wobei die Verstellungen zur Erhöhung des Übertragerleistungspegels größer sind als die Verstellungen zur Erniedrigung des Übertragerleistungspegels.
11. Verfahren nach Anspruch 8, wobei, falls die Befehlsfolge paßt, eine Größe aufeinanderfolgender Verstellungen des Übertragerleistungspegels um einen festen Prozentsatz erhöht wird und, falls die Befehlsfolge nicht paßt, die Größe aufeinanderfolgender Verstellungen des Übertragerleistungspegels um den festen Prozentsatz erniedrigt wird.
12. Verfahren nach Anspruch 11, wobei der feste Prozentsatz fünfzig Prozent beträgt.
13. Verfahren nach Anspruch 11, wobei der feste Prozentsatz ein Prozent beträgt.
14. Verfahren nach Anspruch 8, wobei die Befehlsfolge zwei Befehle umfaßt.
15. Zellulares Nachrichtenübertragungsnetzwerk unter Verwendung einer Spreizspektrum-Modulation, aufweisend eine erste und eine zweite Nachrichtenübertragungsstation, wobei die zweite Station an die Nachrichtenübertragungsstation Leistungsbefehle überträgt, die auf einem von der ersten Station empfangenen Leistungspegel basieren, wobei das Netzwerk umfaßt:
die zweite Station, die aufweist:
^y £ &rgr; Q43 844 &Tgr;1
4
Mittel (233) zum Empfangen von Nachrichtenübertragungen von der ersten Station und zur Feststellung eines empfangenen Leistungspegels der empfangenen Nachrichtenübertragungen; und
Mittel (226, 237) zur Übertragung von Leistungsbefehlen an die erste Station, teilweise basierend auf dem empfangenen Leistungspegel -; und
die erste Station, die aufweist:
einen einen verstellbaren Übertragerleistungspegel aufweisenden Übertrager (335, 341, 342) zur Übertragung von Spreizspektrum-Signalen;
Mittel (334, 335, 336, 339) zum aufeinanderfolgenden Empfangen der Leistungsbefehle von der zweiten Station;
Mittel (344, 345, 346) zum Vergleichen einer Folge von mindestens zwei der empfangenen Leistungsbefehle zur Feststellung, ob die empfangenen Befehle in der Folge passen; und
Mittel (341) zur Verstellung des Übertragerleistungspegels mit einer selben Rate wie der Empfang der Leistungsbefehle;
wobei, falls die Befehlsfolge paßt, der Übertragerleistungspegel um einen anderen Betrag verstellt wird, als wenn die Befehlsfolge nicht paßt.
16. Netzwerk nach Anspruch 15, wobei die zweite Station die Leistungsbefehle in dem Bereich von 100 Hertz bis 100 Kilohertz überträgt.
17. Netzwerk nach Anspruch 15, wobei die Verstellungen zur Erhöhung des Übertragerleistungspegels größer sind als die Verstellungen zur Erniedrigung des Übertragerleistungspegels.
18. Netzwerk nach Anspruch 15, wobei, falls die Befehlsfolge paßt, eine Größe aufeinanderfolgender Verstellungen des Übertragerleistungspegels um einen festen
OE/EP 1 0&Lgr;3 844 TT
Prozentsatz erhöht wird und, falls die Befehlsfolge nicht paßt, die Größe aufeinanderfolgender Verstellungen des Übertragerleistungspegels um den festen Prozentsatz erniedrigt wird.
19. Netzwerk nach Anspruch 18, wobei der feste Prozentsatz fünfzig Prozent beträgt.
20. Netzwerk nach Anspruch 18, wobei der feste Prozentsatz ein Prozent beträgt.
DE1043844T 1995-01-04 1995-12-22 Verfahren zur Leistungsregelung in Systemen mit gespreiztem Spektrum Pending DE1043844T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/368,710 US5574747A (en) 1995-01-04 1995-01-04 Spread spectrum adaptive power control system and method

Publications (1)

Publication Number Publication Date
DE1043844T1 true DE1043844T1 (de) 2001-05-03

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Family Applications (7)

Application Number Title Priority Date Filing Date
DE69534149T Expired - Lifetime DE69534149T2 (de) 1995-01-04 1995-12-22 Spreizspektrumsystem und -Verfahren
DE1041727T Pending DE1041727T1 (de) 1995-01-04 1995-12-22 Speizspektrumsystem und -verfahren
DE1043844T Pending DE1043844T1 (de) 1995-01-04 1995-12-22 Verfahren zur Leistungsregelung in Systemen mit gespreiztem Spektrum
DE69527372T Expired - Lifetime DE69527372T2 (de) 1995-01-04 1995-12-22 Spreizband-einrichtungen und -verfahren zur adaptiven leistungssteuerung in einem zellularen kommunikationsnetz
DE1041728T Pending DE1041728T1 (de) 1995-01-04 1995-12-22 Spreizspektrumsystem und -verfahren
DE69534253T Expired - Lifetime DE69534253T2 (de) 1995-01-04 1995-12-22 Spreizspektrumsystem und -verfahren
DE69534304T Expired - Lifetime DE69534304T2 (de) 1995-01-04 1995-12-22 Verfahren zur leistungsregelung in systemen mit gespreiztem spektrum

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DE69534149T Expired - Lifetime DE69534149T2 (de) 1995-01-04 1995-12-22 Spreizspektrumsystem und -Verfahren
DE1041727T Pending DE1041727T1 (de) 1995-01-04 1995-12-22 Speizspektrumsystem und -verfahren

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DE69527372T Expired - Lifetime DE69527372T2 (de) 1995-01-04 1995-12-22 Spreizband-einrichtungen und -verfahren zur adaptiven leistungssteuerung in einem zellularen kommunikationsnetz
DE1041728T Pending DE1041728T1 (de) 1995-01-04 1995-12-22 Spreizspektrumsystem und -verfahren
DE69534253T Expired - Lifetime DE69534253T2 (de) 1995-01-04 1995-12-22 Spreizspektrumsystem und -verfahren
DE69534304T Expired - Lifetime DE69534304T2 (de) 1995-01-04 1995-12-22 Verfahren zur leistungsregelung in systemen mit gespreiztem spektrum

Country Status (16)

Country Link
US (16) US5574747A (de)
EP (6) EP2264911B1 (de)
JP (9) JP3736807B2 (de)
AT (4) ATE293307T1 (de)
AU (1) AU4529796A (de)
DE (7) DE69534149T2 (de)
DK (3) DK1043844T3 (de)
ES (4) ES2154620T3 (de)
FI (4) FI116256B (de)
HK (3) HK1031955A1 (de)
IL (6) IL128634A (de)
MY (6) MY123400A (de)
PT (1) PT801856E (de)
TW (1) TW281837B (de)
WO (1) WO1996021295A1 (de)
ZA (1) ZA9510969B (de)

Families Citing this family (184)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6873643B2 (en) * 1990-11-16 2005-03-29 Interdigital Technology Corporation Spread spectrum adaptive power control communications system and method
US5870393A (en) * 1995-01-20 1999-02-09 Hitachi, Ltd. Spread spectrum communication system and transmission power control method therefor
JP3192047B2 (ja) * 1994-06-03 2001-07-23 キヤノン株式会社 スペクトラム拡散受信機
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
TW347616B (en) * 1995-03-31 1998-12-11 Qualcomm Inc Method and apparatus for performing fast power control in a mobile communication system a method and apparatus for controlling transmission power in a mobile communication system is disclosed.
US6977967B1 (en) * 1995-03-31 2005-12-20 Qualcomm Incorporated Method and apparatus for performing fast power control in a mobile communication system
US5764687A (en) * 1995-06-20 1998-06-09 Qualcomm Incorporated Mobile demodulator architecture for a spread spectrum multiple access communication system
US7020111B2 (en) 1996-06-27 2006-03-28 Interdigital Technology Corporation System for using rapid acquisition spreading codes for spread-spectrum communications
US6788662B2 (en) 1995-06-30 2004-09-07 Interdigital Technology Corporation Method for adaptive reverse power control for spread-spectrum communications
US6885652B1 (en) 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US7123600B2 (en) 1995-06-30 2006-10-17 Interdigital Technology Corporation Initial power control for spread-spectrum communications
US7929498B2 (en) 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
US6940840B2 (en) 1995-06-30 2005-09-06 Interdigital Technology Corporation Apparatus for adaptive reverse power control for spread-spectrum communications
US6801516B1 (en) 1995-06-30 2004-10-05 Interdigital Technology Corporation Spread-spectrum system for assigning information signals having different data rates
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US6816473B2 (en) 1995-06-30 2004-11-09 Interdigital Technology Corporation Method for adaptive forward power control for spread-spectrum communications
US7072380B2 (en) 1995-06-30 2006-07-04 Interdigital Technology Corporation Apparatus for initial power control for spread-spectrum communications
US6697350B2 (en) 1995-06-30 2004-02-24 Interdigital Technology Corporation Adaptive vector correlator for spread-spectrum communications
JP3269959B2 (ja) * 1996-01-16 2002-04-02 株式会社日立国際電気 相関フィルタ及びｃｄｍａ受信装置
US5722051A (en) * 1996-02-13 1998-02-24 Lucent Technologies Inc. Adaptive power control and coding scheme for mobile radio systems
US6697415B1 (en) * 1996-06-03 2004-02-24 Broadcom Corporation Spread spectrum transceiver module utilizing multiple mode transmission
JPH09327072A (ja) * 1996-06-05 1997-12-16 Hitachi Ltd Ｃｄｍａ通信方法及びスペクトル拡散通信システム
JPH1079701A (ja) 1996-09-03 1998-03-24 Fujitsu Ltd 移動通信端末及びその送信電力制御方式
US5825826A (en) * 1996-09-30 1998-10-20 Motorola, Inc. Method and apparatus for frequency domain ripple compensation for a communications transmitter
US6259724B1 (en) * 1996-10-18 2001-07-10 Telefonaktiebolaget L M Ericsson (Publ) Random access in a mobile telecommunications system
JP2760352B1 (ja) * 1996-11-29 1998-05-28 日本電気株式会社 Ｃｄｍａ用セルサーチ回路
JPH10173594A (ja) * 1996-12-06 1998-06-26 Hitachi Ltd 符号分割多元接続通信システム及び送信電力制御方法
JP2800891B2 (ja) * 1996-12-17 1998-09-21 日本電気株式会社 Ｃｄｍａ方式のマルチコード送信装置
JP3795984B2 (ja) * 1996-12-20 2006-07-12 富士通株式会社 無線受信機
US5956369A (en) * 1997-02-24 1999-09-21 Golden Bridge Technology, Inc. Spread spectrum multipath combining subsystem and method
US6148313A (en) * 1997-04-09 2000-11-14 Ge Capital Spacenet Services, Inc. Correlator method and apparatus
US6396867B1 (en) * 1997-04-25 2002-05-28 Qualcomm Incorporated Method and apparatus for forward link power control
US5896411A (en) * 1997-05-05 1999-04-20 Northern Telecom Limited Enhanced reverse link power control in a wireless communication system
US5953365A (en) * 1997-05-08 1999-09-14 Sicom, Inc. Interference-tolerant spread-spectrum receiver and method therefor
US6185431B1 (en) * 1997-06-18 2001-02-06 Oki Telecom, Inc. Mobile station closed loop output power stability system for weak signal conditions
JP3380446B2 (ja) * 1997-10-20 2003-02-24 株式会社鷹山 Ｃｄｍａ通信システム用受信装置
US6700939B1 (en) 1997-12-12 2004-03-02 Xtremespectrum, Inc. Ultra wide bandwidth spread-spectrum communications system
US6175745B1 (en) * 1997-12-24 2001-01-16 Telefonaktiebolaget Lm Ericsson Initial transmit power determination in a radiocommunication system
US6408019B1 (en) 1997-12-29 2002-06-18 Georgia Tech Research Corporation System and method for communication using noise
EP0930721B1 (de) * 1997-12-29 2007-06-20 Nortel Matra Cellular Nachrichtenübertragunggsystem mit bandbreitevariablen Empfängern und Sendern
DE59804263D1 (de) * 1997-12-31 2002-07-04 Schleifring Und Appbau Gmbh Vorrichtung zur störarmen signalübertragung
US20040160906A1 (en) 2002-06-21 2004-08-19 Aware, Inc. Multicarrier transmission system with low power sleep mode and rapid-on capability
US6084919A (en) * 1998-01-30 2000-07-04 Motorola, Inc. Communication unit having spectral adaptability
US6212399B1 (en) * 1998-03-06 2001-04-03 Lucent Technologies, Inc. Method and apparatus for controlling the power radiated by a wireless terminal in a telecommunications system based on a variable step size
US6085104A (en) * 1998-03-25 2000-07-04 Sharp Laboratories Of America, Inc. Pilot aided, time-varying finite impulse response, adaptive channel matching receiving system and method
CN101282138A (zh) * 1998-03-26 2008-10-08 三菱电机株式会社 频谱扩展通信装置和频谱扩展通信方法
FI105131B (fi) * 1998-03-27 2000-06-15 Nokia Networks Oy Menetelmä fyysisen kanavan tehonsäädön suorittamiseksi radiojärjestelmässä
JP3728116B2 (ja) 1998-06-02 2005-12-21 キヤノン株式会社 通信方法及び装置
US6304591B1 (en) 1998-07-10 2001-10-16 Aloha Networks, Inc. Match filter architecture based upon parallel I/O
US6987927B1 (en) 1998-09-09 2006-01-17 Smartdisk Corporation Enhanced digital data collector for removable memory modules
US6658202B1 (en) 1998-09-09 2003-12-02 Smartdisk Portable data transfer and mass storage device for removable memory modules
US6370183B1 (en) * 1998-10-26 2002-04-09 Nortel Networks Limited Predictive rake receiver for CDMA mobile radio systems
US6411610B1 (en) * 1998-11-05 2002-06-25 Nortel Networks Limited Correlation for synchronizing to long number sequences in communications systems
US6512925B1 (en) * 1998-12-03 2003-01-28 Qualcomm, Incorporated Method and apparatus for controlling transmission power while in soft handoff
US6138034A (en) * 1998-12-04 2000-10-24 Motorola, Inc. Method for transmitting a quick paging channel at different power levels
US7346120B2 (en) 1998-12-11 2008-03-18 Freescale Semiconductor Inc. Method and system for performing distance measuring and direction finding using ultrawide bandwidth transmissions
US6269239B1 (en) * 1998-12-11 2001-07-31 Nortel Networks Corporation System and method to combine power control commands during soft handoff in DS/CDMA cellular systems
EP1011281A3 (de) * 1998-12-18 2000-07-05 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Flexibler CDMA Kombinierer
KR20010101332A (ko) * 1998-12-30 2001-11-14 추후제출 일정 엔벨로프 변조 통신 시스템
FR2788177B1 (fr) * 1998-12-30 2001-02-09 Mitsubishi Electric Inf Tech Procede de controle de la puissance recue d'un emetteur par un recepteur d'un systeme de telecommunications, systeme de controle de puissance et emetteur d'un systeme de telecommu- nications prevus pour la mise en oeuvre d'un tel procede
FI982856L (fi) * 1998-12-31 2000-07-01 Nokia Networks Oy Vastaanottomenetelmä ja vastaanotin
US6424642B1 (en) * 1998-12-31 2002-07-23 Texas Instruments Incorporated Estimation of doppler frequency through autocorrelation of pilot symbols
JP2000201101A (ja) * 1999-01-07 2000-07-18 Fujitsu Ltd 拡散通信システムとその移動機
JP3618055B2 (ja) * 1999-02-05 2005-02-09 富士通株式会社 携帯移動端末および送信装置
US6463296B1 (en) * 1999-02-16 2002-10-08 Telefonaktiebolaget L M Ericsson (Publ) Power control in a CDMA mobile communications system
FI990354L (fi) * 1999-02-18 2000-08-19 Nokia Networks Oy Menetelmä automaattiseen voimakkuuden säätöön solukkoradioverkon tukia semassa
JP3173600B2 (ja) 1999-02-19 2001-06-04 日本電気株式会社 受信機
FR2791495B1 (fr) * 1999-03-26 2001-05-04 France Telecom Procede de synchronisation de rythme d'un signal numerique
EP1045530B1 (de) 1999-04-12 2002-03-06 Alcatel Verbesserte kanaladaptive, schnelle Leistungsregelung in CDMA
ES2212840T3 (es) * 1999-04-12 2004-08-01 Alcatel Un metodo para mejorar las prestaciones de un sistema de radiocomunicacion movil que usa un algoritmo de control de potencia.
EP1045529B1 (de) 1999-04-12 2006-11-29 Alcatel Methode zur Verbesserung der Eigenschaften eines mobilen Funkkommunikationssystems unter Verwendung eines Leistungsregelungsalgorithmus
GB9908518D0 (en) * 1999-04-14 1999-06-09 Nokia Telecommunications Oy Method for controlling transmission power
US6351246B1 (en) 1999-05-03 2002-02-26 Xtremespectrum, Inc. Planar ultra wide band antenna with integrated electronics
EP1101292B1 (de) * 1999-05-26 2010-01-13 Koninklijke Philips Electronics N.V. Leistungsregelung in geschlossener schleife in einem funkkommunikationssystem
DE19927203A1 (de) * 1999-06-15 2000-12-28 Alcatel Sa Verfahren zur Beeinflussung der Übertragung von Informationssignalen in einem interaktiven Kommunikationsnetzwerk
US6801565B1 (en) 1999-06-25 2004-10-05 Ericsson Inc. Multi-stage rake combining methods and apparatus
US6714585B1 (en) 1999-06-25 2004-03-30 Ericsson Inc. Rake combining methods and apparatus using weighting factors derived from knowledge of spreading spectrum signal characteristics
GB9919595D0 (en) 1999-08-18 1999-10-20 Nokia Telecommunications Oy Connection control in a communication system
US7110434B2 (en) * 1999-08-31 2006-09-19 Broadcom Corporation Cancellation of interference in a communication system with application to S-CDMA
US6434135B1 (en) * 1999-08-31 2002-08-13 Interdigital Technology Corporation Adaptive RF amplifier prelimiter
FI19991871A (fi) * 1999-09-02 2001-03-02 Nokia Networks Oy Menetelmä signaalikomponenttien käsittelemiseksi kommunikaatiojärjestelmässä ja vastanotin
US6278726B1 (en) 1999-09-10 2001-08-21 Interdigital Technology Corporation Interference cancellation in a spread spectrum communication system
SE9903235L (sv) * 1999-09-10 2001-03-11 Ericsson Telefon Ab L M Förfarande och anordning i ett telekommunikationssystem
US6115406A (en) 1999-09-10 2000-09-05 Interdigital Technology Corporation Transmission using an antenna array in a CDMA communication system
SE516225C2 (sv) * 1999-09-17 2001-12-03 Ericsson Telefon Ab L M Ett förfarande för effektkontroll och ett radiosystem
US6961369B1 (en) 1999-11-09 2005-11-01 Aware, Inc. System and method for scrambling the phase of the carriers in a multicarrier communications system
CN1124728C (zh) * 1999-11-25 2003-10-15 华为技术有限公司 一种多选择相干检测方法
ATE343879T1 (de) 2000-01-07 2006-11-15 Aware Inc Diagnostische verfahren und systeme für mehrträgermodems
JP3991543B2 (ja) 2000-01-11 2007-10-17 株式会社日立製作所 撮像装置
US6895036B2 (en) * 2000-01-28 2005-05-17 Infineon Technologies Ag Apparatus and method for sub-chip offset correlation in spread-spectrum communication systems
US6597723B1 (en) * 2000-03-21 2003-07-22 Interdigital Technology Corporation Weighted open loop power control in a time division duplex communication system
US6600772B1 (en) * 2000-03-21 2003-07-29 Interdigital Communications Corporation Combined closed loop/open loop power control in a time division duplex communication system
US6603797B1 (en) * 2000-03-22 2003-08-05 Interdigital Technology Corporation Outer loop/weighted open loop power control in a time division duplex communication system
EP1146657A1 (de) * 2000-04-11 2001-10-17 Siemens Aktiengesellschaft Mobilfunkgerät und Verfahren zur Rake-Fingerzuweisung
EP1154584A1 (de) * 2000-05-12 2001-11-14 Siemens Aktiengesellschaft Mobilfunkgerät und Verfahren zur Zuweisung von Rakefingern und Nachführeinrichtungen
US6289039B1 (en) * 2000-06-14 2001-09-11 Linex Technologies, Inc. Spread-spectrum communications utilizing variable throughput reduction
KR100452860B1 (ko) * 2000-06-20 2004-10-14 삼성전자주식회사 훈련 신호를 이용한 적응 등화기용 필터 탭 길이 조정장치 및 방법
US6862457B1 (en) * 2000-06-21 2005-03-01 Qualcomm Incorporated Method and apparatus for adaptive reverse link power control using mobility profiles
US6647077B1 (en) 2000-07-31 2003-11-11 Rf Micro Devices, Inc. Multipath parameter estimation in spread-spectrum communications systems
US6700929B1 (en) 2000-07-31 2004-03-02 Rf Micro Devices, Inc. Method and apparatus for multipath parameter estimation in spread-spectrum communications systems
US6728324B1 (en) * 2000-07-31 2004-04-27 Rf Micro Devices, Inc. Method and apparatus for multipath signal compensation in spread-spectrum communications systems
US8301137B1 (en) 2000-07-31 2012-10-30 Interdigital Patent Corporation Method and apparatus for wireless router multicast
US6944406B1 (en) * 2000-08-04 2005-09-13 Fujitsu Limited Transport system with tunable channel spacing DWDM
AU2001282867A1 (en) 2000-08-07 2002-02-18 Xtremespectrum, Inc. Electrically small planar uwb antenna apparatus and system thereof
JP3510589B2 (ja) * 2000-12-15 2004-03-29 Ｎｅｃエレクトロニクス株式会社 セルサーチ方法およびセルサーチ装置
US7012977B2 (en) * 2000-12-29 2006-03-14 Telefonaktiebolaget Lm Ericsson (Publ) System, method and apparatus for wireless channel parameter estimation in spread spectrum communication systems
US6725055B2 (en) 2001-01-05 2004-04-20 Telefonaktiebolaget Lm Ericsson (Publ) SIR estimation using delay time of power control commands
GB2371725A (en) * 2001-01-24 2002-07-31 Ubinetics Ltd A rake receiver wherein each finger has a DLL and at least one has early and late correlators connected via a controllable bandwidth filter to a subtractor
US6711389B2 (en) 2001-02-16 2004-03-23 Telefonaktiebolaget L.M. Ericsson Power controller for a mobile terminal
US6876692B2 (en) * 2001-03-09 2005-04-05 Motorola, Inc. System for code division multi-access communication
US7039125B2 (en) * 2001-03-12 2006-05-02 Analog Devices, Inc. Equalized SNR power back-off
US8199696B2 (en) * 2001-03-29 2012-06-12 Qualcomm Incorporated Method and apparatus for power control in a wireless communication system
DE60130099T2 (de) * 2001-04-02 2008-05-15 Stmicroelectronics N.V. Verfahren zur Sendeleistungsregelung
EP1255353B1 (de) * 2001-04-30 2005-02-16 Lucent Technologies Inc. Kanalselektiver Verstärker mit abstimmbarem Filter
US6745042B1 (en) 2001-05-02 2004-06-01 Ensure Technologies, Inc. Synchronization of wireless communication between devices
US7345988B2 (en) * 2001-08-17 2008-03-18 Synopsys, Inc. System and method for providing crosstalk management for high-speed signaling links
US7161974B2 (en) * 2001-09-10 2007-01-09 Sasken Communication Technologies Ltd. Method for 2D antenna rake combining in a code division multiplication access system
EP1433277B1 (de) 2001-10-05 2012-07-25 Aware, Inc. Systeme und verfahren für mehrpaar-atm über dsl
WO2003036840A1 (en) * 2001-10-19 2003-05-01 Matsushita Electric Industrial Co., Ltd. System and method for spread spectrum communication
KR100487221B1 (ko) * 2001-11-23 2005-05-03 삼성전자주식회사 이동 통신시스템에서 제어정보의 송신 전력 제어 방법 및장치
US7366201B2 (en) * 2001-12-21 2008-04-29 Texas Instruments Incorporated Method and apparatus for vector based sequence generation
JP3840412B2 (ja) * 2001-12-28 2006-11-01 株式会社日立製作所 無線端末装置
US7088794B2 (en) * 2002-02-19 2006-08-08 The United States Of America As Represented By The Secretary Of The Navy Automatic gain control for digitized RF signal processing
US6792037B2 (en) * 2002-02-28 2004-09-14 Interdigital Technology Corporation Apparatus and method of searching for known sequences
KR100911138B1 (ko) * 2002-04-25 2009-08-06 삼성전자주식회사 전력이 조절되는 적응 변조 및 코딩 방식의 이동통신시스템 및 그 방법
FR2839590B1 (fr) * 2002-05-07 2006-07-21 Evolium Sas Procede et dispositif de controle d'une boucle externe d'ajustement de valeur cible d'une boucle interne de controle de puissance
FI20020990A (fi) * 2002-05-27 2003-11-28 Nokia Corp Menetelmä signaalin tehon säätämiseksi radiojärjestelmän lähettimessä ja radiojärjestelmän lähetin
US7289580B2 (en) * 2002-05-31 2007-10-30 Zenith Electronics Corporation Channel estimator using one or more correlation reference vectors to eliminate data related noise
JP4157729B2 (ja) * 2002-06-12 2008-10-01 株式会社日立製作所 反射型映像投射装置と、それを用いた投写型映像ディスプレイ装置、及び、それに用いる光源装置
US20050124308A1 (en) * 2002-07-04 2005-06-09 Yasuhiro Shibuya Radio receiver
JP3637333B2 (ja) * 2002-07-05 2005-04-13 株式会社東芝 スペクトラム拡散通信装置およびその制御方法
KR100701002B1 (ko) * 2002-07-30 2007-03-29 인터디지탈 테크날러지 코포레이션 상관 후 전처리한 소프트 임계값을 이용한 수신 ｃｄｍａ신호의 전력 측정
US7054396B2 (en) 2002-08-20 2006-05-30 Rf Micro Devices, Inc. Method and apparatus for multipath signal compensation in spread-spectrum communications systems
KR100689400B1 (ko) * 2002-10-24 2007-03-08 삼성전자주식회사 자동 이득의 이득 보상 제어 장치 및 방법
US6748235B1 (en) * 2002-11-12 2004-06-08 Interdigital Technology Corporation Power control during a transmission pause
US7062232B2 (en) * 2002-12-11 2006-06-13 Qualcomm Incorporated Switched antenna transmit diversity
JP2004207840A (ja) * 2002-12-24 2004-07-22 Nec Corp 無線リソース管理方法及びそれに用いる管理装置、基地局及び端末
CN1512800A (zh) * 2002-12-30 2004-07-14 �ʼҷ����ֵ��ӹɷ����޹�˾ 一种无线通信系统的自适应步长功率控制系统及方法
JP2006514470A (ja) * 2003-02-22 2006-04-27 テレフォンアクチーボラゲット エル エム エリクソン（パブル） 電力推定のための装置及び方法
US7356074B2 (en) * 2003-05-08 2008-04-08 Rf Micro Devices, Inc. Estimation of multipath channel with sub-chip resolution
US7573419B2 (en) * 2003-05-21 2009-08-11 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for unambiguous angle resolution of a sparse wide-band antenna array
US7171159B2 (en) * 2003-06-24 2007-01-30 Northrop Grumman Corporation Transmission power control in a satellite communication system
US7054597B2 (en) * 2003-06-25 2006-05-30 Nokia Corporation Power control for a transmitter
TWI393370B (zh) * 2003-11-17 2013-04-11 Interdigital Tech Corp 產生功率控制資訊的方法及基地台
US7340014B2 (en) 2003-12-31 2008-03-04 Intel Corporation Apparatus and method of multi-user detection
US7852259B2 (en) 2004-01-23 2010-12-14 Telefonaktiebolaget Lm Ericsson (Publ) Clutter filtering
WO2005086405A2 (en) 2004-03-03 2005-09-15 Aware, Inc. Impulse noise management
US7272375B2 (en) 2004-06-30 2007-09-18 Silicon Laboratories Inc. Integrated low-IF terrestrial audio broadcast receiver and associated method
US7596182B1 (en) * 2004-08-11 2009-09-29 Marvell International, Ltd. Optimum symbol timing estimation with various performance measures for OFDM systems
US8897828B2 (en) 2004-08-12 2014-11-25 Intellectual Ventures Holding 81 Llc Power control in a wireless communication system
CA2550263C (en) 2004-09-25 2010-11-02 Aware, Inc. Crc counter normalization
CA2909150C (en) 2004-10-12 2017-11-07 Tq Delta, Llc Resource sharing in a telecommunications environment
US7796705B2 (en) 2004-10-15 2010-09-14 Aware, Inc. DMT symbol repetition in the presence of impulse noise
US20060128326A1 (en) * 2004-12-09 2006-06-15 Interdigital Technology Corporation Low complexity adaptive channel estimation
CN100386973C (zh) * 2004-12-23 2008-05-07 华为技术有限公司 一种下行通道增益自动校正的方法
GB2423044A (en) * 2005-02-10 2006-08-16 Black & Decker Inc Hammer with cam-actuated driven member
US20060209993A1 (en) * 2005-02-18 2006-09-21 Wei Lu Demodulator and receiver for pre-coded partial response signals
US7634290B2 (en) * 2005-05-31 2009-12-15 Vixs Systems, Inc. Adjusting transmit power of a wireless communication device
US8000302B2 (en) * 2005-06-23 2011-08-16 Qualcomm Incorporated Adaptive multi-channel modem
US7483678B2 (en) * 2005-09-27 2009-01-27 Skyworks Solutions, Inc. Single chip GSM/EDGE transceiver architecture with closed loop power control
US8755440B2 (en) 2005-09-27 2014-06-17 Qualcomm Incorporated Interpolation techniques in wavelet transform multimedia coding
EP2005674B1 (de) 2006-04-12 2016-09-28 TQ Delta, LLC Paketwiederübertragung und gemeinsame speichernutzung
DE102006019889A1 (de) * 2006-04-28 2007-10-31 Infineon Technologies Ag Digitale Matched-Filter-Empfängerschaltung
ES2545580T3 (es) * 2006-05-26 2015-09-14 Nec Corporation Aparato de comunicación por radio, sistema de comunicación por radio y método de comunicación por radio
US8126098B2 (en) 2006-09-12 2012-02-28 Marvell World Trade Ltd. Multi-rake receiver
US8009574B2 (en) 2006-09-25 2011-08-30 Lantiq Deutschland Gmbh Power level settings for transmission lines
KR100774363B1 (ko) * 2006-11-16 2007-11-08 한국전자통신연구원 이동통신시스템에서의 자동이득 제어 장치 및 그 방법
EP2045916B1 (de) * 2007-10-01 2014-12-17 JDS Uniphase Corporation Messung der Belastung der automatischen Verstärkungsregelung für Digitalträger
EP2090700A1 (de) * 2008-02-15 2009-08-19 Caterpillar Inc. Maschinenleistungssteuerung mit Verhältniszuwachs
US20100109783A1 (en) * 2008-11-03 2010-05-06 T-Var Semiconductor, Llc Reconfigurable Amplifier and Filter Using Time-Varying Circuits
JP5258540B2 (ja) * 2008-12-24 2013-08-07 京セラ株式会社 加算回路およびそれを用いた電力増幅回路ならびにそれを用いた送信装置および通信装置
NO331970B1 (no) * 2010-01-15 2012-05-14 Cisco Systems Int Sarl Fremgangsmate for a redusere elektromagnetisk utstraling fra hoyhastighets kommunikasjonsbakpanel
JP5659549B2 (ja) * 2010-04-27 2015-01-28 日本電気株式会社 電力制御システム、電力制御方法、制御装置、プログラム、及び、サーバ装置
US20120275354A1 (en) * 2011-04-26 2012-11-01 Nxp B.V. Asymmetric white space communications
CN102361463B (zh) * 2011-05-27 2014-11-19 福建三元达通讯股份有限公司 一种射频频带选择器
US8514117B2 (en) * 2011-09-09 2013-08-20 Texas Instruments Incorporated Excess loop delay compensation for a continuous time sigma delta modulator
WO2013125174A1 (ja) * 2012-02-20 2013-08-29 日本電気株式会社 受信信号処理装置及び受信信号処理方法
US8744390B2 (en) * 2012-03-29 2014-06-03 Adc Telecommunications, Inc. Systems and methods for adjusting system tests based on detected interference
CN103684567A (zh) * 2012-09-21 2014-03-26 中兴通讯股份有限公司 无线通信系统接收机分集合并方法及其装置
BR112016022466B1 (pt) * 2014-04-17 2020-12-08 Voiceage Evs Llc método para codificar um sinal sonoro, método para decodificar um sinal sonoro, dispositivo para codificar um sinal sonoro e dispositivo para decodificar um sinal sonoro
TW202414634A (zh) 2016-10-27 2024-04-01 美商艾德亞半導體科技有限責任公司 用於低溫接合的結構和方法
JP7004503B2 (ja) * 2017-01-27 2022-01-21 ラピスセミコンダクタ株式会社 自動利得制御回路（ａｇｃ）、逆拡散回路及び受信データの再生方法
CN116848631A (zh) 2020-12-30 2023-10-03 美商艾德亚半导体接合科技有限公司 具有导电特征的结构及其形成方法
US12245163B1 (en) * 2021-07-27 2025-03-04 Synopsys, Inc. Method and system for transmission power control in bluetooth low energy controllers

Family Cites Families (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US522410A (en) * 1894-07-03 Philip goerlitz
US538658A (en) * 1895-05-07 carney
CH513157A (de) * 1967-02-27 1971-09-30 Hoffmann La Roche Verfahren zur Herstellung von Pyrrolinverbindungen
US3571767A (en) * 1968-07-10 1971-03-23 Coast Guard Usa Electrical filter arrangement
US3887461A (en) * 1971-05-10 1975-06-03 Combustion Eng Making active carbon from sewage sludge
US3955281A (en) * 1974-12-05 1976-05-11 Pacemaker Corporation Disposable dental tray for topical application of fluoride gel and other dental medications
US4653069A (en) * 1975-11-06 1987-03-24 General Electric Company Spread spectrum correlation receiver
US4164628A (en) * 1977-06-06 1979-08-14 International Telephone And Telegraph Corporation Processor for multiple, continuous, spread spectrum signals
US4222115A (en) * 1978-03-13 1980-09-09 Purdue Research Foundation Spread spectrum apparatus for cellular mobile communication systems
US4193031A (en) * 1978-03-13 1980-03-11 Purdue Research Foundation Method of signal transmission and reception utilizing wideband signals
US4189677A (en) * 1978-03-13 1980-02-19 Purdue Research Foundation Demodulator unit for spread spectrum apparatus utilized in a cellular mobile communication system
US4253067A (en) * 1978-12-11 1981-02-24 Rockwell International Corporation Baseband differentially phase encoded radio signal detector
US4349915A (en) * 1981-02-02 1982-09-14 General Electric Company Minimization of multipath and doppler effects in radiant energy communication systems
US4426630A (en) * 1981-12-28 1984-01-17 Rockwell International Corporation Electronically tunable band reject filter
JPS6084030A (ja) 1983-05-30 1985-05-13 Nippon Telegr & Teleph Corp <Ntt> 移動通信における送信出力制御方式
US4641322A (en) 1983-10-18 1987-02-03 Nec Corporation System for carrying out spread spectrum communication through an electric power line
US4653068A (en) * 1984-10-19 1987-03-24 Itt Corporation Frequency hopping data communication system
US4621365A (en) * 1984-11-16 1986-11-04 Hughes Aircraft Company Synchronization preamble correlation detector and frequency estimator
DE3447107A1 (de) * 1984-12-22 1986-06-26 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur nachrichtenuebertragung in einem digitalen funkuebertragungssystem
DE3607687A1 (de) * 1986-03-08 1987-09-10 Philips Patentverwaltung Verfahren und schaltungsanordnung zum weiterschalten einer funkverbindung in eine andere funkzelle eines digitalen funkuebertragungssystems
US4694467A (en) * 1986-07-03 1987-09-15 Signatron, Inc. Modem for use in multipath communication systems
JPS6393233A (ja) * 1986-10-08 1988-04-23 Oki Electric Ind Co Ltd スペクトル拡散通信システム
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
DE3730399A1 (de) * 1987-09-10 1989-03-23 Armin Wittneben Verfahren und vorrichtung zur uebertragung eines digitalsignals
US5080643A (en) * 1988-03-21 1992-01-14 Dow Brands Inc. Method of making a stand-up plastic bag
US4984248A (en) * 1988-08-19 1991-01-08 Industrial Technology Research Institute High speed transceiver
CH676179A5 (de) * 1988-09-29 1990-12-14 Ascom Zelcom Ag
EP0370953A3 (de) * 1988-11-21 1991-05-02 Ciba-Geigy Ag Verfahren zur Herstellung von Farbstoffzwischenprodukten
US4965539A (en) * 1989-06-02 1990-10-23 Watkins-Johnson Company Microwave notch filter using pin diode shunted YIG resonators
US5257283A (en) * 1989-11-07 1993-10-26 Qualcomm Incorporated Spread spectrum transmitter power control method and system
US5485486A (en) * 1989-11-07 1996-01-16 Qualcomm Incorporated Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system
US5267262A (en) * 1989-11-07 1993-11-30 Qualcomm Incorporated Transmitter power control system
US5056109A (en) 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US5265119A (en) * 1989-11-07 1993-11-23 Qualcomm Incorporated Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5101501A (en) * 1989-11-07 1992-03-31 Qualcomm Incorporated Method and system for providing a soft handoff in communications in a cdma cellular telephone system
US5077753A (en) * 1990-04-09 1991-12-31 Proxim, Inc. Radio communication system using spread spectrum techniques
JP2748656B2 (ja) * 1990-06-19 1998-05-13 ソニー株式会社 移動無線通信方法
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
FR2664113B1 (fr) * 1990-06-28 1993-06-04 Alcatel Transmission Procede de transmission numerique a etalement de spectre par sequence directe a changement de sequences en cours de transmission, et emetteur et recepteur le mettant en óoeuvre.
US5180999A (en) * 1990-09-28 1993-01-19 Rockwell International Corporation Filter system with controlled amplitude in stopband or passband
US5218618A (en) * 1990-11-07 1993-06-08 Hughes Aircraft Company Cellular telephone service using spread spectrum transmission
US5093840A (en) * 1990-11-16 1992-03-03 Scs Mobilecom, Inc. Adaptive power control for a spread spectrum transmitter
US5535238A (en) 1990-11-16 1996-07-09 Interdigital Technology Corporation Spread spectrum adaptive power control communications system and method
US5631921A (en) * 1990-11-16 1997-05-20 Interdigital Technology Corp. Adaptive power control for a spread spectrum communications system and method
US5081643A (en) * 1990-11-16 1992-01-14 Scs Mobilecom, Inc. Spread spectrum multipath receiver apparatus and method
US5299226A (en) * 1990-11-16 1994-03-29 Interdigital Technology Corporation Adaptive power control for a spread spectrum communications system and method
JPH04185130A (ja) 1990-11-20 1992-07-02 Clarion Co Ltd スペクトラム拡散通信用ダイバーシチ受信装置
US5228056A (en) * 1990-12-14 1993-07-13 Interdigital Technology Corporation Synchronous spread-spectrum communications system and method
US5224120A (en) * 1990-12-05 1993-06-29 Interdigital Technology Corporation Dynamic capacity allocation CDMA spread spectrum communications
US5161168A (en) * 1991-05-15 1992-11-03 Scs Mobilecom, Inc. Spread spectrum CDMA communications system microwave overlay
US5179572A (en) * 1991-06-17 1993-01-12 Scs Mobilecom, Inc. Spread spectrum conference calling system and method
DE69102405T2 (de) * 1990-12-13 1994-09-29 Mitsubishi Gas Chemical Co Aktivkohlesubstanz, Herstellungsverfahren und Anwendung.
US5208829A (en) * 1991-03-26 1993-05-04 Hughes Aircraft Company Communication satellite system having an increased power output density per unit of bandwidth
EP0584248B1 (de) * 1991-05-13 2003-03-05 XIRCOM Wireless, Inc. Sender/empfänger mit zwei betriebsarten
JP2771050B2 (ja) 1991-06-07 1998-07-02 キヤノン株式会社 スペクトラム拡散通信装置
US5179571A (en) * 1991-07-10 1993-01-12 Scs Mobilecom, Inc. Spread spectrum cellular handoff apparatus and method
US5321721A (en) 1991-09-13 1994-06-14 Sony Corporation Spread spectrum communication system and transmitter-receiver
JPH05145515A (ja) * 1991-11-19 1993-06-11 Canon Inc スペクトル拡散通信装置
US5305468A (en) * 1992-03-18 1994-04-19 Motorola, Inc. Power control method for use in a communication system
JPH05276142A (ja) 1992-03-26 1993-10-22 Clarion Co Ltd Ｒｚ化擬似雑音符号発生装置
JPH05292063A (ja) 1992-04-06 1993-11-05 Nippon Telegr & Teleph Corp <Ntt> スペクトラム拡散受信機
US5233626A (en) * 1992-05-11 1993-08-03 Space Systems/Loral Inc. Repeater diversity spread spectrum communication system
JPH0697914A (ja) 1992-09-14 1994-04-08 Nippon Telegr & Teleph Corp <Ntt> 時間ダイバーシチスペクトル拡散通信方式
JPH06141021A (ja) 1992-10-27 1994-05-20 N T T Idou Tsuushinmou Kk 符号分割多重通信用送受信装置
US5363403A (en) * 1993-04-22 1994-11-08 Interdigital Technology Corporation Spread spectrum CDMA subtractive interference canceler and method
US5305349A (en) * 1993-04-29 1994-04-19 Ericsson Ge Mobile Communications Inc. Quantized coherent rake receiver
DE69423810T2 (de) 1993-05-12 2000-10-12 Ntt Mobile Communications Network Inc., Tokio/Tokyo Verfahren zum Weiterreichen und Mobilstation für Spreizspektrum Kommunikationssystem
EP0650646A1 (de) * 1993-05-12 1995-05-03 Roke Manor Research Limited Zweistufig arbeitender "rake"-empfanger in einer digitalen funkverbindung zwischen einer ortsfesten und mobilen funkstation
JPH06334626A (ja) 1993-05-21 1994-12-02 Hitachi Commun Syst Inc スペクトル拡散通信方式
JPH06334575A (ja) 1993-05-24 1994-12-02 Nippon Telegr & Teleph Corp <Ntt> スペクトラム拡散通信受信装置
JPH06338872A (ja) 1993-05-28 1994-12-06 Canon Inc 符号分割多重スペクトラム拡散通信機
US5438329A (en) 1993-06-04 1995-08-01 M & Fc Holding Company, Inc. Duplex bi-directional multi-mode remote instrument reading and telemetry system
FI932605A (fi) * 1993-06-07 1994-12-08 Nokia Telecommunications Oy Tukiasemavastaanotinlaitteisto
FR2709028B1 (fr) * 1993-08-13 1995-10-20 Matra Communication Procédé de sélection des trajets de propagation retenus pour recevoir des messages transmis par radiocommunication AMRC.
US5343496A (en) * 1993-09-24 1994-08-30 Bell Communications Research, Inc. Interference suppression in CDMA systems
FI934759L (fi) * 1993-10-27 1995-04-28 Nokia Telecommunications Oy Menetelmä monikäyttöhäiriön poistamiseksi sekä liikkuva asema
US5659572A (en) * 1993-11-22 1997-08-19 Interdigital Technology Corporation Phased array spread spectrum system and method
JP2980156B2 (ja) 1994-05-12 1999-11-22 エヌ・ティ・ティ移動通信網株式会社 送信電力制御方法および該制御方法を用いたスペクトル拡散通信装置
DE69534987T2 (de) * 1994-06-23 2006-09-21 Ntt Docomo Inc. CDMA Demodulationsschaltung und Demodulationsverfahren
US6277780B1 (en) * 1994-08-09 2001-08-21 Westvaco Corporation Preparation of phosphorus-treated activated carbon composition
US5538929A (en) * 1994-08-09 1996-07-23 Westvaco Corporation Phosphorus-treated activated carbon composition
US5757847A (en) * 1994-09-09 1998-05-26 Omnipoint Corporation Method and apparatus for decoding a phase encoded signal
US5802105A (en) * 1994-11-30 1998-09-01 Qualcomm Incorporated Method and apparatus for testing a digital communication channel
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
US5710982A (en) * 1995-06-29 1998-01-20 Hughes Electronics Power control for TDMA mobile satellite communication system
US5809020A (en) * 1996-03-18 1998-09-15 Motorola, Inc. Method for adaptively adjusting weighting coefficients in a cDMA radio receiver
US5995583A (en) 1996-11-13 1999-11-30 Schick Technologies, Inc. Dental radiography using an intra-oral linear array sensor
FI114060B (fi) * 1998-04-03 2004-07-30 Nokia Corp Menetelmä ja laitteet tehon säätöön matkaviestinjärjestelmässä
JP3960799B2 (ja) * 1999-05-26 2007-08-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 無線通信システムにおける閉ループ電力制御
EP1101292B1 (de) * 1999-05-26 2010-01-13 Koninklijke Philips Electronics N.V. Leistungsregelung in geschlossener schleife in einem funkkommunikationssystem
US6760598B1 (en) * 2002-05-01 2004-07-06 Nokia Corporation Method, device and system for power control step size selection based on received signal quality
US20050213538A1 (en) * 2002-05-31 2005-09-29 Matsushita Electric Industrial Co., Ltd Data distribution device and transmission method

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