ES2296402T3 - Tecnica de desplazamiento temporal para aumentar la capacidad de un sistema de cdma. - Google Patents

Tecnica de desplazamiento temporal para aumentar la capacidad de un sistema de cdma. Download PDF

Info

Publication number
ES2296402T3
ES2296402T3 ES99941226T ES99941226T ES2296402T3 ES 2296402 T3 ES2296402 T3 ES 2296402T3 ES 99941226 T ES99941226 T ES 99941226T ES 99941226 T ES99941226 T ES 99941226T ES 2296402 T3 ES2296402 T3 ES 2296402T3
Authority
ES
Spain
Prior art keywords
power
time
communication
signal
transmitting power
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.)
Expired - Lifetime
Application number
ES99941226T
Other languages
English (en)
Spanish (es)
Inventor
Stein A. Lundby
Edward G. Tiedemann, Jr.
Jack M. Holtzman
Daisuke Terasawa
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ES2296402T3 publication Critical patent/ES2296402T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/30Transmission power control [TPC] using constraints in the total amount of available transmission power
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70706Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707Efficiency-related aspects
    • H04B2201/70709Efficiency-related aspects with discontinuous detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Transmitters (AREA)
ES99941226T 1998-08-19 1999-08-17 Tecnica de desplazamiento temporal para aumentar la capacidad de un sistema de cdma. Expired - Lifetime ES2296402T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US136699 1998-08-19
US09/136,699 US6393010B1 (en) 1998-08-19 1998-08-19 Time offset technique for increasing the capacity of a CDMA system

Publications (1)

Publication Number Publication Date
ES2296402T3 true ES2296402T3 (es) 2008-04-16

Family

ID=22473973

Family Applications (1)

Application Number Title Priority Date Filing Date
ES99941226T Expired - Lifetime ES2296402T3 (es) 1998-08-19 1999-08-17 Tecnica de desplazamiento temporal para aumentar la capacidad de un sistema de cdma.

Country Status (18)

Country Link
US (2) US6393010B1 (https=)
EP (2) EP1808966A1 (https=)
JP (2) JP4354649B2 (https=)
KR (1) KR100737220B1 (https=)
CN (1) CN1141799C (https=)
AR (1) AR025801A1 (https=)
AT (1) ATE379881T1 (https=)
AU (1) AU767202B2 (https=)
BR (1) BR9913061A (https=)
CA (1) CA2340942A1 (https=)
DE (1) DE69937643T2 (https=)
ES (1) ES2296402T3 (https=)
ID (1) ID29492A (https=)
IL (2) IL141509A0 (https=)
NO (1) NO325815B1 (https=)
RU (1) RU2001107124A (https=)
TW (1) TW480838B (https=)
WO (1) WO2000011802A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1065800A1 (en) * 1999-07-02 2001-01-03 Lucent Technologies Inc. Code division multiple access system having improved pilot channels
JP4704222B2 (ja) * 2006-01-27 2011-06-15 富士通株式会社 無線通信システム
US20100177807A1 (en) * 2009-01-09 2010-07-15 Samsung Electronics Co., Ltd. Method and apparatus for relaying wireless traffic in a wireless network
JP5212453B2 (ja) * 2010-12-03 2013-06-19 富士通株式会社 無線通信システム
WO2013094106A1 (ja) * 2011-12-19 2013-06-27 日本電気株式会社 送信装置および無線信号送信方法
US10149255B2 (en) * 2015-05-01 2018-12-04 Qualcomm Incorporated Low latency uplink power control

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455761A (en) * 1981-11-12 1984-06-26 Terhune Robert D Pneumatic polymer eductor conveyor dryer
CA2145566C (en) * 1994-04-29 1999-12-28 Nambirajan Seshadri Methods of and devices for enhancing communications that use spread spectrum technology
US5659580A (en) * 1994-11-29 1997-08-19 Lucent Technologies Inc. Data interleaver for use with mobile communication systems and having a contiguous counter and an address twister
JP2934185B2 (ja) 1996-03-15 1999-08-16 松下電器産業株式会社 Cdmaセルラ無線基地局装置および移動局装置および送信方法
AU4730397A (en) 1996-10-18 1998-05-15 Telefonaktiebolaget Lm Ericsson (Publ) Transmission timing offset method for ds-cdma mobile telephone systems
JPH10190626A (ja) 1996-12-27 1998-07-21 Matsushita Electric Ind Co Ltd Cdma受信装置
US5930248A (en) * 1997-03-04 1999-07-27 Telefonaktiebolaget Lm Ericsson Radio communication system selectively using multicast with variable offset time
US5974315A (en) * 1997-09-03 1999-10-26 Lockheed Martin Corporation Spacecraft cellular communication system
US6317435B1 (en) * 1999-03-08 2001-11-13 Qualcomm Incorporated Method and apparatus for maximizing the use of available capacity in a communication system
EP1039662A1 (en) * 1999-03-25 2000-09-27 Alcatel Improvements to a telecommunication system using code division multiple access (CDMA)

Also Published As

Publication number Publication date
DE69937643T2 (de) 2008-10-30
EP1808966A1 (en) 2007-07-18
DE69937643D1 (de) 2008-01-10
US6965589B2 (en) 2005-11-15
JP4354649B2 (ja) 2009-10-28
ATE379881T1 (de) 2007-12-15
RU2001107124A (ru) 2003-03-10
KR100737220B1 (ko) 2007-07-09
WO2000011802A1 (en) 2000-03-02
TW480838B (en) 2002-03-21
IL141509A (en) 2006-06-11
CN1319279A (zh) 2001-10-24
CA2340942A1 (en) 2000-03-02
AU5491999A (en) 2000-03-14
US20020101833A1 (en) 2002-08-01
BR9913061A (pt) 2002-01-15
NO20010828L (no) 2001-03-29
AR025801A1 (es) 2002-12-18
ID29492A (id) 2001-08-30
NO325815B1 (no) 2008-07-21
EP1105976B1 (en) 2007-11-28
KR20010072789A (ko) 2001-07-31
AU767202B2 (en) 2003-11-06
JP2002523963A (ja) 2002-07-30
JP2009022015A (ja) 2009-01-29
NO20010828D0 (no) 2001-02-19
EP1105976A1 (en) 2001-06-13
US6393010B1 (en) 2002-05-21
HK1038451A1 (en) 2002-03-15
CN1141799C (zh) 2004-03-10
IL141509A0 (en) 2002-03-10

Similar Documents

Publication Publication Date Title
ES2252722T3 (es) Establecimiento de macrodiversidad con conexiones de tipo acceso aleatorio en un sistema celular de radiocomunicaciones.
ES2324906T3 (es) Prelimitador para amplificador de radiofrecuencia adaptador.
ES2431079T3 (es) Arquitectura inalámbrica distribuida mediante microtransmisión
ES2357528T3 (es) Control de potencia para transmisión de datos para paquetes a alta velocidad.
ES2398872T3 (es) Asignación de recursos en bucle cerrado en una red de comunicaciones inalámbrica de alta velocidad
JP4507909B2 (ja) チャネル密度を適応的に制御する基地局装置、および制御方法
ES2246444T3 (es) Control de potencia en bucle abierto ponderado en un sistema de comunicaciones duplex por division de tiempo.
ES2368854T3 (es) Métodos y dispositivos para estimación de carga de enlace ascendente.
KR100759719B1 (ko) 총 과부하 제어를 위한 시스템과 방법
EP2197127B1 (en) Signal splitting method for limiting peak power in a CDMA system
JP2008035521A (ja) 電力制御のためのシステムおよび方法、および遠隔無線ユニット
ES2296402T3 (es) Tecnica de desplazamiento temporal para aumentar la capacidad de un sistema de cdma.
EP2890190B1 (en) Wireless communication system, base station apparatus, mobile station apparatus, and communication method
KR20000071572A (ko) 무선 통신 시스템의 링크 불균형으로 인한 역방향 전파방해를 방지하기 위한 시스템 및 방법
JP2007124657A (ja) セル式単一周波数ネットワーク、基地局、モバイル端末およびそのモバイルネットワークでの伝送方法
US6377555B1 (en) Method for determining forward link channel powers for a CDMA cellular or PCS system
KR100809024B1 (ko) Cdma 이동통신시스템의 수신전력의 측정방법 및cdma 이동통신시스템
ES2333330T3 (es) Procedimiento para el analisis de la situacion de interferencia y de suministro en redes parciales umts.
KR20120104329A (ko) 무선 셀룰러 네트워크에서 전력 레벨들을 관리하기 위한 방법
ES2338755T3 (es) Sistema de comunicaciones y metodo para administrar conexiones en dicho sistema.
RU2123763C1 (ru) Способ кодовременного разделения каналов в подвижных системах радиосвязи
RU2008119817A (ru) Управление передачей мобильных терминалов при групповых вызовах
US20080125176A1 (en) Mobile communication system, base band server, and signal transfer method used therein
Bhowmik et al. Received signal strength based effective call scheduling in wireless mobile network
CN101198087A (zh) 实现在移动通信系统中减少扇区间导频干扰的系统和方法