ATE262242T1 - Netzzugangskanal für cdma-systeme - Google Patents

Netzzugangskanal für cdma-systeme

Info

Publication number
ATE262242T1
ATE262242T1 AT95944333T AT95944333T ATE262242T1 AT E262242 T1 ATE262242 T1 AT E262242T1 AT 95944333 T AT95944333 T AT 95944333T AT 95944333 T AT95944333 T AT 95944333T AT E262242 T1 ATE262242 T1 AT E262242T1
Authority
AT
Austria
Prior art keywords
earth
signals
subscriber stations
frequency
user
Prior art date
Application number
AT95944333T
Other languages
English (en)
Inventor
Francis D Natali
Original Assignee
Stanford Telecomm 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 Stanford Telecomm Inc filed Critical Stanford Telecomm Inc
Application granted granted Critical
Publication of ATE262242T1 publication Critical patent/ATE262242T1/de

Links

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
    • H04B1/7073—Synchronisation aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0048—Walsh
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/12—Generation of orthogonal codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/06—Airborne or Satellite Networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
AT95944333T 1994-12-15 1995-12-15 Netzzugangskanal für cdma-systeme ATE262242T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/358,078 US5654955A (en) 1994-12-15 1994-12-15 Network entry channel for CDMA systems
PCT/US1995/016325 WO1996019050A1 (en) 1994-12-15 1995-12-15 Network entry channel for cdma systems

Publications (1)

Publication Number Publication Date
ATE262242T1 true ATE262242T1 (de) 2004-04-15

Family

ID=23408218

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95944333T ATE262242T1 (de) 1994-12-15 1995-12-15 Netzzugangskanal für cdma-systeme

Country Status (9)

Country Link
US (1) US5654955A (de)
EP (1) EP0806096B1 (de)
JP (1) JP3534773B2 (de)
KR (1) KR100393348B1 (de)
AT (1) ATE262242T1 (de)
AU (1) AU4640696A (de)
CA (1) CA2206796C (de)
DE (1) DE69532723T2 (de)
WO (1) WO1996019050A1 (de)

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US5995497A (en) * 1996-04-23 1999-11-30 At&T Corp. Method and apparatus for switching code division multiple access modulated beams in a satellite
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US6222828B1 (en) * 1996-10-30 2001-04-24 Trw, Inc. Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications
US6501771B2 (en) 1997-02-11 2002-12-31 At&T Wireless Services, Inc. Delay compensation
US5933421A (en) 1997-02-06 1999-08-03 At&T Wireless Services Inc. Method for frequency division duplex communications
US5799000A (en) * 1997-02-06 1998-08-25 At&T Wireless Services, Inc. Delay compensation
US6359923B1 (en) * 1997-12-18 2002-03-19 At&T Wireless Services, Inc. Highly bandwidth efficient communications
US6408016B1 (en) * 1997-02-24 2002-06-18 At&T Wireless Services, Inc. Adaptive weight update method and system for a discrete multitone spread spectrum communications system
US6002664A (en) * 1997-02-24 1999-12-14 At&T Wireless Services Inc. Method to gain access to a base station in a discrete multitone spread spectrum communications system
US6584144B2 (en) * 1997-02-24 2003-06-24 At&T Wireless Services, Inc. Vertical adaptive antenna array for a discrete multitone spread spectrum communications system
JP3535344B2 (ja) * 1997-05-30 2004-06-07 松下電器産業株式会社 マルチキャリア伝送方法及びデータ送信装置並びに移動局装置及び基地局装置
US6081536A (en) 1997-06-20 2000-06-27 Tantivy Communications, Inc. Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
US6542481B2 (en) 1998-06-01 2003-04-01 Tantivy Communications, Inc. Dynamic bandwidth allocation for multiple access communication using session queues
KR100365346B1 (ko) * 1997-09-09 2003-04-11 삼성전자 주식회사 이동통신시스템의쿼시직교부호생성및쿼시직교부호를이용한대역확산장치및방법
US6091703A (en) * 1997-10-10 2000-07-18 Trw Inc. Bulk despreading of multiple independent CDMA sources
US7394791B2 (en) 1997-12-17 2008-07-01 Interdigital Technology Corporation Multi-detection of heartbeat to reduce error probability
US6222832B1 (en) * 1998-06-01 2001-04-24 Tantivy Communications, Inc. Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
US9525923B2 (en) 1997-12-17 2016-12-20 Intel Corporation Multi-detection of heartbeat to reduce error probability
US6570844B1 (en) 1997-12-29 2003-05-27 Alcatel Usa Sourcing, L.P. System and method for providing redundancy in a telecommunications system
US6512755B1 (en) 1997-12-29 2003-01-28 Alcatel Usa Sourcing, L.P. Wireless telecommunications access system
JP3214466B2 (ja) * 1998-04-07 2001-10-02 日本電気株式会社 移動通信システム及びその通信制御方法並びにそれに用いる基地局及び移動局
US6396825B1 (en) * 1998-08-18 2002-05-28 Motorola, Inc. Method and apparatus for using a pseudo-random signal in a communication system
US6487235B2 (en) 1998-08-24 2002-11-26 At&T Wireless Services, Inc. Delay compensation
KR100536585B1 (ko) * 1999-01-06 2005-12-14 삼성전자주식회사 통신 시스템의 오프-셋 보정 회로
US20070127553A1 (en) 1999-08-13 2007-06-07 Viasat, Inc. Code Reuse Multiple Access For Satellite Return Link
US7065125B1 (en) * 1999-08-13 2006-06-20 Viasat, Inc. Method and apparatus for multiple access over a communication channel
US6963602B1 (en) * 2000-01-05 2005-11-08 Advanced Micro Devices, Inc. Digital correction method and system
AU3673001A (en) 2000-02-07 2001-08-14 Tantivy Communications, Inc. Minimal maintenance link to support synchronization
US8155096B1 (en) 2000-12-01 2012-04-10 Ipr Licensing Inc. Antenna control system and method
US7551663B1 (en) 2001-02-01 2009-06-23 Ipr Licensing, Inc. Use of correlation combination to achieve channel detection
US20020145969A1 (en) * 2001-02-28 2002-10-10 Zulfiquar Sayeed Carrier frequency acquisition method and apparatus having improved reliability for detecting carrier acquisition or loss thereof
KR100665077B1 (ko) 2001-06-13 2007-01-09 탄티비 커뮤니케이션즈 인코포레이티드 하트비트 요구보다 낮은 레벨로의 하트비트 신호의 전송
US7095710B2 (en) * 2001-12-21 2006-08-22 Qualcomm Decoding using walsh space information
US7289460B1 (en) * 2002-06-14 2007-10-30 Lockheed Martin Corporation Satellite communications system
JP2004289717A (ja) * 2003-03-25 2004-10-14 Mitsubishi Electric Corp ランダムアクセス制御方法、基地局および端末装置
EP3138323B1 (de) * 2014-04-27 2019-01-02 Novelsat Ltd. Handover zwischen satelliten mit verwendung eines einzelmodems
KR102434920B1 (ko) 2021-10-29 2022-08-22 주식회사 지아이 계단 오르기
GB2623556A (en) * 2022-10-20 2024-04-24 Qinetiq Ltd Direct sequence spread spectrum coding scheme for a transmitter and receiver

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JPS6033746A (ja) * 1983-08-04 1985-02-21 Nec Corp 衛星回線監視方式
JPS6248819A (ja) * 1985-08-28 1987-03-03 Kokusai Denshin Denwa Co Ltd <Kdd> 衛星通信方式
JPH02211732A (ja) * 1989-02-10 1990-08-23 Clarion Co Ltd スペクトラム拡散通信方式
US5036523A (en) * 1989-10-03 1991-07-30 Geostar Corporation Automatic frequency control of satellite transmitted spread spectrum signals
US5138631A (en) * 1989-12-21 1992-08-11 Gte Spacenet Corporation Satellite communication network
JP2675890B2 (ja) * 1990-03-06 1997-11-12 キヤノン株式会社 スペクトラム拡散通信装置
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
FR2681199B1 (fr) * 1991-09-11 1993-12-03 Agence Spatiale Europeenne Procede et dispositif pour multiplexer des signaux de donnees.
DE4210305A1 (de) * 1992-03-30 1993-10-07 Sel Alcatel Ag Verfahren, Sender und Empfänger zur Informationsdatenübertragung mit veränderlichem Verkehrsaufkommen und Leitstation zur Koordinierung mehrerer solcher Sender und Empfänger
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US5345469A (en) * 1993-02-01 1994-09-06 Motorola, Inc. Communication device with code sequence selection system
DE69433336T3 (de) * 1993-03-05 2008-06-19 Ntt Mobile Communications Network Inc. Cdma kommunikationsverfahren mit selektivem zugriff und anordnung für mobile stationen in denen dieses verfahren angewandt wird
US5359624A (en) * 1993-06-07 1994-10-25 Motorola, Inc. System and method for chip timing synchronization in an adaptive direct sequence CDMA communication system
US5353300A (en) * 1993-06-07 1994-10-04 Motorola, Inc. Communication method for an adaptive direct sequence CDMA communication system

Also Published As

Publication number Publication date
EP0806096A4 (de) 2002-10-23
EP0806096B1 (de) 2004-03-17
AU4640696A (en) 1996-07-03
CA2206796A1 (en) 1996-06-20
US5654955A (en) 1997-08-05
EP0806096A1 (de) 1997-11-12
KR980700742A (ko) 1998-03-30
JP3534773B2 (ja) 2004-06-07
DE69532723D1 (de) 2004-04-22
JPH10510966A (ja) 1998-10-20
WO1996019050A1 (en) 1996-06-20
DE69532723T2 (de) 2005-04-28
CA2206796C (en) 2001-05-08
KR100393348B1 (ko) 2003-10-17

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