ES2172489T1 - Un metodo para controlar la elevacion de potencia inicial en sistemas cdma utilizando codigos cortos. - Google Patents

Un metodo para controlar la elevacion de potencia inicial en sistemas cdma utilizando codigos cortos.

Info

Publication number
ES2172489T1
ES2172489T1 ES01124286T ES01124286T ES2172489T1 ES 2172489 T1 ES2172489 T1 ES 2172489T1 ES 01124286 T ES01124286 T ES 01124286T ES 01124286 T ES01124286 T ES 01124286T ES 2172489 T1 ES2172489 T1 ES 2172489T1
Authority
ES
Spain
Prior art keywords
base station
transmission power
confirmation signal
short code
speed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
ES01124286T
Other languages
English (en)
Other versions
ES2172489T3 (es
Inventor
Fatih Ozluturk
Gary R Lomp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InterDigital Technology Corp
Original Assignee
InterDigital Technology Corp
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=27100263&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2172489(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
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
Publication of ES2172489T1 publication Critical patent/ES2172489T1/es
Application granted granted Critical
Publication of ES2172489T3 publication Critical patent/ES2172489T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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]
    • 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]
    • H04W52/54—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
    • 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. 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
    • H04W52/367—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]
    • H04W52/38—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

Landscapes

  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
  • Electrotherapy Devices (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Eletrric Generators (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Transmitters (AREA)
  • Selective Calling Equipment (AREA)
  • Television Receiver Circuits (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Prostheses (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Communication Control (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

Una unidad de abonado (16) para comunicar con una estación de base (14), teniendo dicha unidad de abonado (16) medios (70, 52) para transmitir y detectar las señales, caracterizada dicha unidad de abonado (16) por: medios (74) para transmitir selectivamente un código corto a un nivel de potencia de transmisión seleccionado; medios para detectar una señal de confirmación de dicha estación de base (14); indicando la señal de confirmación que dicha estación de base (14) detectó dicho código corto; medios de control (74), sensibles a dichos medios de detección (78) para hacer variar dicho nivel de potencia de transmisión; donde dichos medios de control (74) incrementan dicho nivel de potencia de transmisión a una primera velocidad antes de la recepción de una señal de confirmación; medios (74) para cesar la transmisión del código corto y transmitir un código de acceso que es más largo que dicho código corto a una segunda velocidad inferior a dicha primera velocidad cuando es recibida dicha señal de confirmación; y medios (78) para cesar el incremento de la rampa ascendente de potencia de transmisión a la segunda velocidad de rampa ascendente, en respuesta a la recepción de una señal de conocimiento que indica que dicha estación de base (14) detectó dicho código de acceso.
ES01124286T 1996-06-27 1997-06-23 Utilizacion de codigos cortos para linealizar la subida de potencia inicial de los sistemas cdma. Expired - Lifetime ES2172489T3 (es)

Applications Claiming Priority (4)

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
US670162 1996-06-27
US671068 1996-06-27
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 (2)

Publication Number Publication Date
ES2172489T1 true ES2172489T1 (es) 2002-10-01
ES2172489T3 ES2172489T3 (es) 2004-05-01

Family

ID=27100263

Family Applications (8)

Application Number Title Priority Date Filing Date
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.
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.
ES07009972T Expired - Lifetime ES2398666T3 (es) 1996-06-27 1997-06-23 Estación base y unidad de abonado en sistemas de comunicación CDMA
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
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.
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
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.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
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.

Family Applications After (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
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
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.
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
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.

Country Status (12)

Country Link
EP (12) EP1814242A3 (es)
JP (22) JP3683279B2 (es)
KR (21) KR101079982B1 (es)
CN (6) CN1551527B (es)
AT (6) ATE218773T1 (es)
AU (1) AU3406897A (es)
CA (10) CA2577444C (es)
DE (8) DE69713096T2 (es)
DK (7) DK1172942T3 (es)
ES (8) ES2139554T3 (es)
PT (1) PT1411646E (es)
WO (1) WO1997050194A2 (es)

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Also Published As

Publication number Publication date
KR20100092066A (ko) 2010-08-19
ES2154617T1 (es) 2001-04-16
JP4119464B2 (ja) 2008-07-16
KR100799532B1 (ko) 2008-01-31
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