ES2530373T3 - Unidad de abonado y método para controlar la potencia de transmisión durante el establecimiento de un canal en un sistema de comunicación de AMDC - Google Patents

Unidad de abonado y método para controlar la potencia de transmisión durante el establecimiento de un canal en un sistema de comunicación de AMDC Download PDF

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Publication number
ES2530373T3
ES2530373T3 ES07009968T ES07009968T ES2530373T3 ES 2530373 T3 ES2530373 T3 ES 2530373T3 ES 07009968 T ES07009968 T ES 07009968T ES 07009968 T ES07009968 T ES 07009968T ES 2530373 T3 ES2530373 T3 ES 2530373T3
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Prior art keywords
subscriber unit
power level
signal
amdc
establishment
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Expired - Lifetime
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ES07009968T
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English (en)
Inventor
Fatih Ozluturk
Gary R Lomp
John W Haim
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InterDigital Technology Corp
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InterDigital Technology Corp
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Priority claimed from US08/671,068 external-priority patent/US5940382A/en
Priority claimed from US08/670,162 external-priority patent/US5841768A/en
Application filed by InterDigital Technology Corp filed Critical InterDigital Technology Corp
Application granted granted Critical
Publication of ES2530373T3 publication Critical patent/ES2530373T3/es
Anticipated expiration legal-status Critical
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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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—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. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • H04W52/60—Signalisation aspects of the TPC commands, e.g. frame structure using different transmission rates for TPC commands
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70753—Partial phase search
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70755—Setting of lock conditions, e.g. threshold
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70758—Multimode search, i.e. using multiple search strategies
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—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. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • 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
    • H04B2201/70702—Intercell-related aspects
    • 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
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • 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
    • 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
    • H04B2201/7071—Efficiency-related aspects with dynamic control of receiver resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—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

Abstract

Un sistema que comprende: -una unidad de abonado (16) para controlar la potencia de transmisión durante el establecimiento de un canal en un sistema (10) de comunicación de acceso múltiple por división de código utilizando la transmisión de un código corto, que tiene un período mucho más corto que un código de expansión convencional, que es actualizada periódicamente y no porta datos durante el aumento de potencia inicial para limitar el exceso de potencia y las interferencias y permitir una rápida sincronización con una estación de base (14), comprendiendo la unidad de abonado: -medios (90; 158) para transmitir el código corto a una estación de base (14) a un nivel de potencia de transmisión que es más bajo que un nivel de potencia requerido para la detección por parte de la estación de base; -medios (160) para incrementar rápidamente dicha potencia de transmisión y transmitir repetidamente el código corto hasta que el código corto sea detectado por la estación de base, y, comprendiendo la estación de base: -medios (62) para transmitir la indicación a la unidad de abonado de que cese el incremento de potencia de transmisión una vez que el código corto haya sido detectado.
ES07009968T 1996-06-27 1997-06-23 Unidad de abonado y método para controlar la potencia de transmisión durante el establecimiento de un canal en un sistema de comunicación de AMDC Expired - Lifetime ES2530373T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/671,068 US5940382A (en) 1996-06-27 1996-06-27 Virtual locating of a fixed subscriber unit to reduce re-acquisition time
US08/670,162 US5841768A (en) 1996-06-27 1996-06-27 Method of controlling initial power ramp-up in CDMA systems by using short codes

Publications (1)

Publication Number Publication Date
ES2530373T3 true ES2530373T3 (es) 2015-03-02

Family

ID=27100263

Family Applications (8)

Application Number Title Priority Date Filing Date
ES07009972T Expired - Lifetime ES2398666T3 (es) 1996-06-27 1997-06-23 Estación base y unidad de abonado en sistemas de comunicación CDMA
ES97930175T Expired - Lifetime ES2139554T3 (es) 1996-06-27 1997-06-23 Metodo para controlar la potencia de transmision durante el establecimiento de comunicaciones en un sistema de comunicacion cdma.
ES03018061T Expired - Lifetime ES2258190T3 (es) 1996-06-27 1997-06-23 Metodo de control de rampa ascendente inicial de potencia en sistemas cdma usando codigo corto.
ES00111007T Expired - Lifetime ES2154617T3 (es) 1996-06-27 1997-06-23 Dispositivo y procedimiento de comunicacion entre una estacion de base y una unidad movil en un sistema de comunicacion cdma.
ES01124286T Expired - Lifetime ES2172489T3 (es) 1996-06-27 1997-06-23 Utilizacion de codigos cortos para linealizar la subida de potencia inicial de los sistemas cdma.
ES04010946T Expired - Lifetime ES2335881T3 (es) 1996-06-27 1997-06-23 Unidad de abonado con aceleracion inicial de potencia transmitida controlada en sistema de comunicacion cdma y estacion de base relacionada.
ES07009968T Expired - Lifetime ES2530373T3 (es) 1996-06-27 1997-06-23 Unidad de abonado y método para controlar la potencia de transmisión durante el establecimiento de un canal en un sistema de comunicación de AMDC
ES07009969T Expired - Lifetime ES2386279T3 (es) 1996-06-27 1997-06-23 Unidad de abonado y método para controlar la potencia de transmisión durante el establecimiento de un canal en un sistema de comunicación de AMDC

Family Applications Before (6)

Application Number Title Priority Date Filing Date
ES07009972T Expired - Lifetime ES2398666T3 (es) 1996-06-27 1997-06-23 Estación base y unidad de abonado en sistemas de comunicación CDMA
ES97930175T Expired - Lifetime ES2139554T3 (es) 1996-06-27 1997-06-23 Metodo para controlar la potencia de transmision durante el establecimiento de comunicaciones en un sistema de comunicacion cdma.
ES03018061T Expired - Lifetime ES2258190T3 (es) 1996-06-27 1997-06-23 Metodo de control de rampa ascendente inicial de potencia en sistemas cdma usando codigo corto.
ES00111007T Expired - Lifetime ES2154617T3 (es) 1996-06-27 1997-06-23 Dispositivo y procedimiento de comunicacion entre una estacion de base y una unidad movil en un sistema de comunicacion cdma.
ES01124286T Expired - Lifetime ES2172489T3 (es) 1996-06-27 1997-06-23 Utilizacion de codigos cortos para linealizar la subida de potencia inicial de los sistemas cdma.
ES04010946T Expired - Lifetime ES2335881T3 (es) 1996-06-27 1997-06-23 Unidad de abonado con aceleracion inicial de potencia transmitida controlada en sistema de comunicacion cdma y estacion de base relacionada.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES07009969T Expired - Lifetime ES2386279T3 (es) 1996-06-27 1997-06-23 Unidad de abonado y método para controlar la potencia de transmisión durante el establecimiento de un canal en un sistema de comunicación de AMDC

Country Status (13)

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EP (12) EP1814241A3 (es)
JP (22) JP3683279B2 (es)
KR (21) KR101557208B1 (es)
CN (6) CN102083190B (es)
AT (6) ATE281029T1 (es)
AU (1) AU3406897A (es)
CA (10) CA2905192A1 (es)
DE (8) DE69739632D1 (es)
DK (7) DK1172942T3 (es)
ES (8) ES2398666T3 (es)
HK (8) HK1019271A1 (es)
PT (1) PT1411646E (es)
WO (1) WO1997050194A2 (es)

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CA2259351C (en) 2003-04-01
DK1453221T3 (da) 2010-02-08
HK1068078A1 (en) 2005-04-22
JP4085104B2 (ja) 2008-05-14
EP1814243A3 (en) 2009-11-18
KR101557208B1 (ko) 2015-10-02
DE69739632D1 (de) 2009-12-03
ES2398666T3 (es) 2013-03-20
JP2010193500A (ja) 2010-09-02
EP1453221A1 (en) 2004-09-01
EP1814242A2 (en) 2007-08-01
KR20060094103A (ko) 2006-08-28
CN1516372A (zh) 2004-07-28
EP0908021B1 (en) 2002-06-05
DE69724163D1 (de) 2003-09-18
JP2014207694A (ja) 2014-10-30
JP2006109473A (ja) 2006-04-20
EP0908021A2 (en) 1999-04-14
KR100799532B1 (ko) 2008-01-31
ES2335881T3 (es) 2010-04-06
JP4200179B2 (ja) 2008-12-24
EP2271158A2 (en) 2011-01-05
KR100918283B1 (ko) 2009-09-18
EP1814237A3 (en) 2009-12-02
CA2413937C (en) 2006-04-11
KR100972803B1 (ko) 2010-07-29
KR101229817B1 (ko) 2013-02-05
DK1172942T3 (da) 2003-12-08
EP1411646A1 (en) 2004-04-21
EP1814240A3 (en) 2009-11-11
KR20110057225A (ko) 2011-05-31
DE69731408T2 (de) 2005-03-24
ES2172489T1 (es) 2002-10-01
DK1814240T3 (da) 2012-07-02
KR100872110B1 (ko) 2008-12-05
CA2413954A1 (en) 1997-12-31
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