CO5631489A2 - Sistema de acceso multiple por diferenciacion de codigo ortogonal - Google Patents

Sistema de acceso multiple por diferenciacion de codigo ortogonal

Info

Publication number
CO5631489A2
CO5631489A2 CO04127944A CO04127944A CO5631489A2 CO 5631489 A2 CO5631489 A2 CO 5631489A2 CO 04127944 A CO04127944 A CO 04127944A CO 04127944 A CO04127944 A CO 04127944A CO 5631489 A2 CO5631489 A2 CO 5631489A2
Authority
CO
Colombia
Prior art keywords
ortogonal
differentiation
code
multiple access
access system
Prior art date
Application number
CO04127944A
Other languages
English (en)
Inventor
Leonard N Schiff
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
Publication of CO5631489A2 publication Critical patent/CO5631489A2/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/204Multiple access
    • H04B7/216Code division or spread-spectrum multiple access [CDMA, SSMA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18539Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
    • H04B7/18543Arrangements for managing radio, resources, i.e. for establishing or releasing a connection for adaptation of transmission parameters, e.g. power control
    • 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
    • H04B2201/70702Intercell-related aspects
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

1.- Un método de operar un terminal de acceso que comprende:Transmitir una señal de referencia a una puerta de enlace; yRecibir una asignación de mensaje a una franja de tiempo, un canal de código para transmisión, una instrucción de ajuste de tiempo de transmisión, una distribución de potencia de transmisión, y una instrucción de proporción de datos; En donde la instrucción de potencia de transmisión esta basada al menos en parte, en la localización del terminal de acceso con respecto al centro del haz.
CO04127944A 2002-06-24 2004-12-22 Sistema de acceso multiple por diferenciacion de codigo ortogonal CO5631489A2 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39143802P 2002-06-24 2002-06-24
US10/428,953 US7633895B2 (en) 2002-06-24 2003-05-01 Orthogonal code division multiple access on return link of satellite links

Publications (1)

Publication Number Publication Date
CO5631489A2 true CO5631489A2 (es) 2006-04-28

Family

ID=30003193

Family Applications (1)

Application Number Title Priority Date Filing Date
CO04127944A CO5631489A2 (es) 2002-06-24 2004-12-22 Sistema de acceso multiple por diferenciacion de codigo ortogonal

Country Status (8)

Country Link
US (1) US7633895B2 (es)
EP (1) EP1516444A2 (es)
CN (1) CN100492938C (es)
AU (1) AU2003243678A1 (es)
BR (1) BR0312080A (es)
CO (1) CO5631489A2 (es)
MX (1) MXPA04012325A (es)
WO (1) WO2004002009A2 (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7570627B2 (en) * 2005-03-11 2009-08-04 Freescale Semiconductor, Inc. Method for sharing bandwidth using reduced duty cycle signals and media access control
US7782811B2 (en) * 2005-04-05 2010-08-24 Skybitz, Inc. Multiple return link
US8855704B2 (en) * 2005-08-26 2014-10-07 Qualcomm Incorporated Fast cell selection in TD-CDMA (UMTS TDD)
US8130727B2 (en) * 2005-10-27 2012-03-06 Qualcomm Incorporated Quasi-orthogonal allocation of codes in TD-CDMA systems
US8068464B2 (en) * 2005-10-27 2011-11-29 Qualcomm Incorporated Varying scrambling/OVSF codes within a TD-CDMA slot to overcome jamming effect by a dominant interferer
US7711320B2 (en) * 2006-01-04 2010-05-04 Globalstar, Inc. Satellite communication system for communicating packet data messages
US7792487B2 (en) * 2006-01-04 2010-09-07 Globalstar, Inc. Satellite communication system for communicating packet data messages
US7630682B2 (en) * 2006-01-04 2009-12-08 Globalstar, Inc. Satellite communication system employing a combination of time slots and orthogonal codes
US20070155318A1 (en) * 2006-01-04 2007-07-05 Globalstar, Inc. Satellite communication system employing a combination of time slots and orthogonal codes
KR100965673B1 (ko) * 2006-11-15 2010-06-24 삼성전자주식회사 이동통신 시스템에서 데이터 송신 방법
US8036151B2 (en) * 2006-12-17 2011-10-11 Qualcomm Incorporated Power-based rate signaling for cellular uplink
CN101783702B (zh) * 2010-03-04 2013-06-12 清华大学 一种适用于卫星通信系统的信号传输方法
US8503353B2 (en) * 2010-11-05 2013-08-06 Qualcomm Incorporated Reverse link power and data rate control
CN102426300B (zh) * 2011-08-31 2013-08-28 西安空间无线电技术研究所 一种星载波束形成接收通道幅相误差校准系统及其方法
KR101519719B1 (ko) * 2013-08-14 2015-05-12 현대자동차주식회사 게이트웨이의 메시지 처리 방법
BR112017006494B1 (pt) * 2014-09-29 2023-09-26 Hughes Network Systems, Llc Método e aparelho de terminal de porta de comunicação para gerenciamento de interferência de porta de comunicação interna e controle de admissão
US10158986B2 (en) * 2015-08-19 2018-12-18 Kabushiki Kaisha Toshiba Satellite communication system controlling gate in an emergency
EP3282598A1 (en) 2016-08-12 2018-02-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Communication system and transmitter
GB2557628B (en) 2016-12-13 2020-01-01 Inmarsat Global Ltd Forward link power control
US10667188B2 (en) * 2017-06-21 2020-05-26 Qualcomm Incoporated Method and apparatus for multiplexing hybrid satellite constellations
US11425608B2 (en) * 2020-03-23 2022-08-23 At&T Intellectual Property I, L.P. Facilitating an interference leakage dependent resource reservation protocol in advanced networks
US11617108B2 (en) 2020-06-22 2023-03-28 At&T Intellectual Property I, L.P. Facilitating a transmission power dependent resource reservation protocol in advanced networks
CN116015402B (zh) * 2022-12-06 2024-08-27 航天科工空间工程网络技术发展(杭州)有限公司 一种卫星反向信道资源分配方法、装置及卫星通信系统

Family Cites Families (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5535238A (en) * 1990-11-16 1996-07-09 Interdigital Technology Corporation Spread spectrum adaptive power control communications system and method
US5235615A (en) * 1991-05-22 1993-08-10 Cylink Corporation Spread spectrum method
JPH06510886A (ja) * 1991-05-29 1994-12-01 コミュニケーション サテライト コーポレイション 個人向け通信端末用全メッシュ型cdmaネットワーク
US5305468A (en) * 1992-03-18 1994-04-19 Motorola, Inc. Power control method for use in a communication system
US5216692A (en) * 1992-03-31 1993-06-01 Motorola, Inc. Method and apparatus for adjusting a power control threshold in a communication system
JP2974274B2 (ja) * 1994-05-12 1999-11-10 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送信電力制御装置
US5918155A (en) * 1995-03-13 1999-06-29 Hitachi, Ltd. Satellite communication system and method thereof
US5710982A (en) * 1995-06-29 1998-01-20 Hughes Electronics Power control for TDMA mobile satellite communication system
US6816473B2 (en) * 1995-06-30 2004-11-09 Interdigital Technology Corporation Method for adaptive forward power control for spread-spectrum communications
US6108317A (en) * 1995-11-01 2000-08-22 Stm Wireless, Inc. Cyclic code phase multiple access for inbound satellite communications
US5907813A (en) * 1995-11-30 1999-05-25 Qualcomm Incorporated Signal acquisition in a wireless communication system by transmitting repeated access probes from a terminal to a hub
DE69626404T2 (de) * 1995-12-07 2004-01-08 Vistar Telecommunications Inc., Ottawa Drahtloses verteiltes datenpaketübertragungssystem
US5991279A (en) * 1995-12-07 1999-11-23 Vistar Telecommunications Inc. Wireless packet data distributed communications system
US5835847A (en) * 1996-04-02 1998-11-10 Qualcomm Incorporated Pilot signal strength control for a low earth orbiting satellite communications system
US6396804B2 (en) * 1996-05-28 2002-05-28 Qualcomm Incorporated High data rate CDMA wireless communication system
US6222828B1 (en) * 1996-10-30 2001-04-24 Trw, Inc. Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications
US6542480B1 (en) * 1996-11-05 2003-04-01 Worldspace, Inc. Satellite payload processing system using polyphase demultiplexing, quadrature phase shift keying demodulation and rate alignment
US5771229A (en) * 1997-01-31 1998-06-23 Motorola, Inc. Method, system and mobile communication unit for communicating over multiple channels in a wireless communication system
US6212360B1 (en) * 1997-04-09 2001-04-03 Ge Capital Spacenet Services, Inc. Methods and apparatus for controlling earth-station transmitted power in a VSAT network
US5867525A (en) * 1997-06-10 1999-02-02 L-3 Commuications Corporation Synchronizer and method therefor and communications system incorporating same
US5974315A (en) * 1997-09-03 1999-10-26 Lockheed Martin Corporation Spacecraft cellular communication system
US6285655B1 (en) * 1997-09-08 2001-09-04 Qualcomm Inc. Method and apparatus for providing orthogonal spot beams, sectors, and picocells
US6356595B1 (en) * 1997-10-14 2002-03-12 Sony Corporation Method and apparatus for decoding continuously coded convolutionally encoded messages
US6317412B1 (en) * 1997-12-12 2001-11-13 Stanford Telecommunications, Inc. Increased capacity in an OCDMA system for frequency isolation
US6373834B1 (en) * 1997-12-19 2002-04-16 Telefonaktiebolaget Lm Ericsson Synchronization for cellular telecommunications network
KR100269591B1 (ko) * 1998-07-23 2000-10-16 조정남 이동통신시스템에서의 역방향 동기 설정 방법 및 그를 이용한역방향 동기식 전송 방법
US6674730B1 (en) * 1998-08-04 2004-01-06 Tachyon, Inc. Method of and apparatus for time synchronization in a communication system
US6151328A (en) * 1998-12-31 2000-11-21 Lg Information & Communications Ltd. Apparatus and method for controlling power in code division multiple access system
US6771642B1 (en) * 1999-01-08 2004-08-03 Cisco Technology, Inc. Method and apparatus for scheduling packets in a packet switch
EP1161801B1 (en) * 1999-03-12 2008-09-03 QUALCOMM Incorporated Methods and apparatus for power allocation on a reverse link power control channel of a communication system
CA2375896C (en) * 1999-05-31 2006-04-04 Samsung Electronics Co., Ltd. Apparatus and method for gated transmission in cdma communication system
US6542536B1 (en) * 1999-08-06 2003-04-01 General Electric Company Spread spectrum communications with selectable data transfer rates
EP1091506A3 (en) 1999-10-01 2001-05-16 Ascom Systec AG A hybrid CDMA and TDMA radio access scheme for personal satellite communication systems
US6643318B1 (en) * 1999-10-26 2003-11-04 Golden Bridge Technology Incorporated Hybrid DSMA/CDMA (digital sense multiple access/code division multiple access) method with collision resolution for packet communications
US6631124B1 (en) * 1999-11-03 2003-10-07 Ericsson Inc. Methods and apparatus for allocating resources in hybrid TDMA communication systems
US6545990B1 (en) * 1999-12-20 2003-04-08 Tantivy Communications, Inc. Method and apparatus for a spectrally compliant cellular communication system
AU3673001A (en) * 2000-02-07 2001-08-14 Tantivy Communications, Inc. Minimal maintenance link to support synchronization
US6996069B2 (en) * 2000-02-22 2006-02-07 Qualcomm, Incorporated Method and apparatus for controlling transmit power of multiple channels in a CDMA communication system
DE10008653A1 (de) * 2000-02-24 2001-09-06 Siemens Ag Verbesserungen an einem Funkkommunikationssystem
US6430418B1 (en) * 2000-06-19 2002-08-06 Trw Inc. Method and system for controlling uplink power in a satellite communication system using error leveling
CN1223102C (zh) * 2000-06-24 2005-10-12 三星电子株式会社 码分多址通信系统中上行链路同步传输机制同步的装置和方法
US6763058B1 (en) * 2000-06-27 2004-07-13 Northrop Grumman Corporation Low signal to noise ratio acquisition and link characterization techniques for VSAT spread spectrum modems
US7054593B2 (en) * 2000-09-28 2006-05-30 The Boeing Company Return link design for PSD limited mobile satellite communication systems
US7154846B2 (en) * 2000-10-24 2006-12-26 Nortel Networks Limited Shared channel structure, ARQ systems and methods
GB2398975B (en) * 2001-02-01 2005-02-23 Fujitsu Ltd Communications systems
ATE362290T1 (de) * 2001-02-12 2007-06-15 Lg Electronics Inc Datenübertragungsratensteuerung auf der aufwärtsstrecke für jede mobilstation
US7046719B2 (en) * 2001-03-08 2006-05-16 Motorola, Inc. Soft handoff between cellular systems employing different encoding rates
CA2380039C (en) * 2001-04-03 2008-12-23 Samsung Electronics Co., Ltd. Method of transmitting control data in cdma mobile communication system
US6714760B2 (en) * 2001-05-10 2004-03-30 Qualcomm Incorporated Multi-mode satellite and terrestrial communication device
US6996056B2 (en) * 2001-05-31 2006-02-07 Nortel Networks Limited Method and apparatus for orthogonal code management in CDMA systems using smart antenna technology
WO2003017558A2 (en) * 2001-08-21 2003-02-27 Morphics Technology, Inc. Method and apparatus for enhancing data rates in spread spectrum communication systems
US20030050072A1 (en) * 2001-09-06 2003-03-13 Anthony Noerpel Dark beam operation scenario
JP4155740B2 (ja) * 2002-01-11 2008-09-24 株式会社日立コミュニケーションテクノロジー 無線通信端末の送信電力制御方法及びそのための基地局
US7315536B2 (en) * 2004-08-09 2008-01-01 Telefonaktiebolaget Lm Ericsson (Publ) Uplink synchronization in a radio telecommunication system

Also Published As

Publication number Publication date
AU2003243678A8 (en) 2004-01-06
US20040037238A1 (en) 2004-02-26
AU2003243678A1 (en) 2004-01-06
CN100492938C (zh) 2009-05-27
MXPA04012325A (es) 2005-04-08
BR0312080A (pt) 2007-05-29
WO2004002009A3 (en) 2004-04-08
US7633895B2 (en) 2009-12-15
EP1516444A2 (en) 2005-03-23
CN1663148A (zh) 2005-08-31
WO2004002009A2 (en) 2003-12-31

Similar Documents

Publication Publication Date Title
CO5631489A2 (es) Sistema de acceso multiple por diferenciacion de codigo ortogonal
BR9906368A (pt) Dispositivos e processos de comunicação de mensagem de canal comum em uma ms e uma bs de um sistema de comunicação cdma
BR0208497A (pt) método e equipamento para transferência de mensagens de overhead em um sistema de comunicação sem fio
CA2359514A1 (en) Apparatus and method for use in the multicast of traffic data in wireless multiple access communications systems
BR9814501A (pt) Processo para determinar uma potência de transmissão para um transceptor em um sistema de radiocomunicação, e, estação base
BR9906771A (pt) Dispositivo e processo para controlar acesso de canal em uma estação de base em um sistema de comunicação de cdma, e, processo para controlar uma taxa de transmissão variável em um sistema de comunicação de cdma
ATE313922T1 (de) Leistungsregelungssubsystem
DE60036091D1 (de) Datenübertragungsverfahren in einem cdma system
NO20033063D0 (no) Forovereffektregulering i et kommunikasjonssystem
BR9509104B1 (pt) aparelho para fornecer mensagens de difusão em uma rede de comunicação.
BR0006905A (pt) Aparelho e método para designar um canal comuminverso para comunicação dedicada num sistemamóvel de comunicação
FI20001842A0 (fi) Menetelmä langattoman päätelaitteen tehonkulutuksen pienentämiseksi, tiedonsiirtojärjestelmä ja langaton päätelaite
DE69943045D1 (de) Geschaltete übertragung im steuerhaltestatus in einem cdma kommunikationssystem
MXPA03008854A (es) Transmisiones en un sistema de comunicacion.
MY133000A (en) Pilot based transmit power control
BRPI9909104B8 (pt) dispositivo e método de comunicação de mensagem de canal comum em uma estação de base ou estação móvel de um sistema de comunicação cdma
FR2778809B1 (fr) Installation de transmission de messages a stations perfectionnees, et procede correspondant
NO20045290L (no) Fremgangsmate og system for a redusere meldingsforekomster
CA2251554A1 (en) Network marketplace device and method
ES2080659A2 (es) Procedimiento para realizar operaciones de supervision, mantenimiento y control en redes celulares fijas y medios para llevarlo a cabo.
TW200520424A (en) Method and system for providing intelligent remote access to wireless transmit/receive units
BR0009787A (pt) Método de controlar a potência com que uma primeira estação transmite sinais para uma segunda estação e para uma pluralidade de segundas estações e primeira estação que, em uso, transmite sinais para uma segunda estação e para uma pluralidade de segundas estações
BR9812927A (pt) Método e sistema para transmitir uma comunicação de dados a partir de uma unidade de comunicação que chama associada a um sistema de comunicação sem fio para uma unidade de comunicação chamada
BR9707345A (pt) Processo de comunicação de um conjunto de sinais de controle entre dispositivos de comunicação operando em uma rede, estação base, estação remota para a recepção de um sinal de controle proveniente de uma estação base, e, dispositivos de comunicação para comunicar com uma ou mais estações de comunicação e para comunicar mensagens com uma ou mais estações de comunicação
PT1181783E (pt) Processo para controlo de energia

Legal Events

Date Code Title Description
FC Application refused