DE69939428D1 - Vorrichtung und verfahren zur beseitigung von zeit- und frequenzunsicherheit der zugriffskanalserfassung in einem spreizspektrum-kommunikationssystem - Google Patents

Vorrichtung und verfahren zur beseitigung von zeit- und frequenzunsicherheit der zugriffskanalserfassung in einem spreizspektrum-kommunikationssystem

Info

Publication number
DE69939428D1
DE69939428D1 DE69939428T DE69939428T DE69939428D1 DE 69939428 D1 DE69939428 D1 DE 69939428D1 DE 69939428 T DE69939428 T DE 69939428T DE 69939428 T DE69939428 T DE 69939428T DE 69939428 D1 DE69939428 D1 DE 69939428D1
Authority
DE
Germany
Prior art keywords
communication system
frequency
channel detection
spectrum communication
accessory channel
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
DE69939428T
Other languages
English (en)
Inventor
Ananthanarayanan Chockalingam
Nathan E Tenny
David S Miller
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 DE69939428D1 publication Critical patent/DE69939428D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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]
DE69939428T 1998-08-27 1999-08-27 Vorrichtung und verfahren zur beseitigung von zeit- und frequenzunsicherheit der zugriffskanalserfassung in einem spreizspektrum-kommunikationssystem Expired - Lifetime DE69939428D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/140,936 US6381225B1 (en) 1998-08-27 1998-08-27 System and method for resolving frequency and timing uncertainty in access transmissions in a spread spectrum communication system
PCT/US1999/019810 WO2000013341A1 (en) 1998-08-27 1999-08-27 System and method for resolving frequency and timing uncertainty in access channel acquisition in a spread spectrum communication system

Publications (1)

Publication Number Publication Date
DE69939428D1 true DE69939428D1 (de) 2008-10-09

Family

ID=22493451

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69939428T Expired - Lifetime DE69939428D1 (de) 1998-08-27 1999-08-27 Vorrichtung und verfahren zur beseitigung von zeit- und frequenzunsicherheit der zugriffskanalserfassung in einem spreizspektrum-kommunikationssystem

Country Status (14)

Country Link
US (2) US6381225B1 (de)
EP (1) EP1105981B1 (de)
JP (1) JP4514953B2 (de)
KR (1) KR100767846B1 (de)
CN (1) CN1137554C (de)
AT (1) ATE406713T1 (de)
AU (1) AU759518B2 (de)
BR (1) BR9913306A (de)
CA (1) CA2341741A1 (de)
DE (1) DE69939428D1 (de)
ES (1) ES2310940T3 (de)
HK (1) HK1039839B (de)
RU (1) RU2237361C2 (de)
WO (1) WO2000013341A1 (de)

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US6381225B1 (en) * 1998-08-27 2002-04-30 Qualcomm Incorporated System and method for resolving frequency and timing uncertainty in access transmissions in a spread spectrum communication system
US6813257B1 (en) * 2000-06-26 2004-11-02 Motorola, Inc. Apparatus and methods for controlling short code timing offsets in a CDMA system
US7330524B2 (en) * 2004-12-30 2008-02-12 Atheros Communications, Inc. Joint synchronization and impairments estimation using known data patterns
US7970345B2 (en) * 2005-06-22 2011-06-28 Atc Technologies, Llc Systems and methods of waveform and/or information splitting for wireless transmission of information to one or more radioterminals over a plurality of transmission paths and/or system elements
EP1838008A1 (de) 2006-03-23 2007-09-26 Sony Deutschland Gmbh Synchronisierungspräambel
US8346162B1 (en) * 2009-09-25 2013-01-01 Emc Satcom Technologies System and method for reducing VSAT apertures via satellite MIMO
US9094906B2 (en) * 2011-11-11 2015-07-28 Telefonaktiebolaget Lm Ericsson (Publ) Multi-stage timing and frequency synchronization
CN103197328B (zh) * 2013-03-14 2015-05-27 中国人民解放军国防科学技术大学 一种基于2ms数据存储的高动态卫星接收机快速捕获方法
WO2014144920A2 (en) * 2013-03-15 2014-09-18 Maxtena, Inc. Method and apparatus for establishing communications with a satellite
US10200109B2 (en) * 2016-04-29 2019-02-05 The Boeing Company System and method for distributed wireless communications
CN111679123B (zh) * 2020-08-12 2020-12-11 长沙北斗产业安全技术研究院有限公司 适用于多模调制体制的符号边沿与频率估计方法与系统

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US5095538A (en) 1989-09-29 1992-03-10 Motorola, Inc. Calibrated method and device for narrow band Doppler compensation
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
JPH04207530A (ja) * 1990-11-30 1992-07-29 Toshiba Corp 衛星通信システムおよび周波数追尾ループ
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US5490165A (en) 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
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JPH07321721A (ja) * 1994-05-23 1995-12-08 Tasada Kosakusho:Kk 単一波マルチポイント衛星通信方法
US5666122A (en) 1994-07-11 1997-09-09 Qualcomm Incorporated Method for rapid signal acquisition in a satellite communications system
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JPH08256085A (ja) 1995-03-17 1996-10-01 Sony Corp スペクトラム拡散通信システム及びその送信機と受信機
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ZA978516B (en) * 1996-09-30 1998-06-10 Qualcomm Inc Method and apparatus for precorrecting timing and frequency in communication systems.
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US6163533A (en) 1997-04-30 2000-12-19 Telefonaktiebolaget Lm Ericsson (Publ) Random access in a mobile telecommunications system
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US6381225B1 (en) * 1998-08-27 2002-04-30 Qualcomm Incorporated System and method for resolving frequency and timing uncertainty in access transmissions in a spread spectrum communication system

Also Published As

Publication number Publication date
ATE406713T1 (de) 2008-09-15
AU5697599A (en) 2000-03-21
JP2002524912A (ja) 2002-08-06
JP4514953B2 (ja) 2010-07-28
BR9913306A (pt) 2003-01-28
CA2341741A1 (en) 2000-03-09
US6381225B1 (en) 2002-04-30
ES2310940T3 (es) 2009-01-16
US7301915B2 (en) 2007-11-27
WO2000013341A1 (en) 2000-03-09
CN1137554C (zh) 2004-02-04
EP1105981A1 (de) 2001-06-13
KR100767846B1 (ko) 2007-10-17
AU759518B2 (en) 2003-04-17
HK1039839B (zh) 2004-12-10
EP1105981B1 (de) 2008-08-27
US20020154608A1 (en) 2002-10-24
CN1324530A (zh) 2001-11-28
HK1039839A1 (en) 2002-05-10
RU2237361C2 (ru) 2004-09-27
KR20010073047A (ko) 2001-07-31

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