DE60045053D1 - Verfahren und Vorrichtung zur Verringerung des Verhältnisses zwischen Spitzen- und Durchschnittsleistung in einem CDMA-Kommunkationssystem - Google Patents

Verfahren und Vorrichtung zur Verringerung des Verhältnisses zwischen Spitzen- und Durchschnittsleistung in einem CDMA-Kommunkationssystem

Info

Publication number
DE60045053D1
DE60045053D1 DE60045053T DE60045053T DE60045053D1 DE 60045053 D1 DE60045053 D1 DE 60045053D1 DE 60045053 T DE60045053 T DE 60045053T DE 60045053 T DE60045053 T DE 60045053T DE 60045053 D1 DE60045053 D1 DE 60045053D1
Authority
DE
Germany
Prior art keywords
auxiliary pilot
present
pilot channels
peak
reducing
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
DE60045053T
Other languages
English (en)
Inventor
Serge Willenegger
Jack M Holtzman
Abhijit Shanbhag
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 DE60045053D1 publication Critical patent/DE60045053D1/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
    • H04B7/155—Ground-based stations
    • 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
    • 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
    • H04B2201/70706—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Relay Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Preliminary Treatment Of Fibers (AREA)
DE60045053T 1999-01-28 2000-01-28 Verfahren und Vorrichtung zur Verringerung des Verhältnisses zwischen Spitzen- und Durchschnittsleistung in einem CDMA-Kommunkationssystem Expired - Lifetime DE60045053D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/239,449 US6721349B1 (en) 1999-01-28 1999-01-28 Method and apparatus for reducing peak-to-average ratio in a CDMA communication system

Publications (1)

Publication Number Publication Date
DE60045053D1 true DE60045053D1 (de) 2010-11-11

Family

ID=22902173

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60045053T Expired - Lifetime DE60045053D1 (de) 1999-01-28 2000-01-28 Verfahren und Vorrichtung zur Verringerung des Verhältnisses zwischen Spitzen- und Durchschnittsleistung in einem CDMA-Kommunkationssystem
DE60036605T Expired - Lifetime DE60036605T2 (de) 1999-01-28 2000-01-28 Verfahren und vorrichtung zur verminderung der maximalen zur mittleren leistung in einer cdma kommunikationsanordnung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60036605T Expired - Lifetime DE60036605T2 (de) 1999-01-28 2000-01-28 Verfahren und vorrichtung zur verminderung der maximalen zur mittleren leistung in einer cdma kommunikationsanordnung

Country Status (10)

Country Link
US (1) US6721349B1 (de)
EP (2) EP1147618B1 (de)
JP (2) JP2002536864A (de)
KR (1) KR100740738B1 (de)
CN (1) CN1196273C (de)
AT (2) ATE483279T1 (de)
AU (1) AU2976500A (de)
DE (2) DE60045053D1 (de)
HK (1) HK1041750A1 (de)
WO (1) WO2000045518A2 (de)

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US20070058752A1 (en) * 2005-07-29 2007-03-15 Faraday Technology Corp. Methods and systems for estimating sampling frequency offset of OFDM symbols
CN101060344B (zh) * 2006-04-19 2010-05-12 大唐移动通信设备有限公司 时分同步码分多址***中的中频消峰方法和***
US7848446B2 (en) * 2006-09-27 2010-12-07 Telefonaktiebolaget L M Ericsson (Publ) Reduction of peak-to-average-power ratio in a telecommunications system
EP2416510A1 (de) * 2009-03-31 2012-02-08 Panasonic Corporation Basisstation, mobilstation, pilotsendeverfahren und kanalbestimmungsverfahren
US8325697B2 (en) 2009-10-13 2012-12-04 Qualcomm Incorporated Methods and apparatus for selecting and transmitting pilots
US8331488B2 (en) 2009-10-13 2012-12-11 Qualcomm Incorporated Methods and apparatus for communicating information using non-coherent and coherent modulation
CN101841349B (zh) * 2010-04-12 2013-04-03 北京理工大学 一种用于直扩***的mpsk窄带干扰抑制方法
US11032061B2 (en) * 2018-04-27 2021-06-08 Microsoft Technology Licensing, Llc Enabling constant plaintext space in bootstrapping in fully homomorphic encryption
US11764940B2 (en) 2019-01-10 2023-09-19 Duality Technologies, Inc. Secure search of secret data in a semi-trusted environment using homomorphic encryption
CN109635940B (zh) * 2019-01-28 2021-04-06 深兰人工智能芯片研究院（江苏）有限公司 一种基于卷积神经网络的图像处理方法及图像处理装置
CN113940040A (zh) * 2019-06-13 2022-01-14 株式会社Ntt都科摩 通信装置

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US5471497A (en) * 1993-11-01 1995-11-28 Zehavi; Ephraim Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding
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Also Published As

Publication number Publication date
DE60036605D1 (de) 2007-11-15
CN1338157A (zh) 2002-02-27
US6721349B1 (en) 2004-04-13
KR100740738B1 (ko) 2007-07-19
EP1147618B1 (de) 2007-10-03
ATE375031T1 (de) 2007-10-15
DE60036605T2 (de) 2008-07-03
WO2000045518A2 (en) 2000-08-03
JP2010050985A (ja) 2010-03-04
HK1041750A1 (en) 2002-07-19
ATE483279T1 (de) 2010-10-15
WO2000045518A3 (en) 2000-11-30
CN1196273C (zh) 2005-04-06
EP1858171A1 (de) 2007-11-21
KR20010101758A (ko) 2001-11-14
EP1858171B1 (de) 2010-09-29
AU2976500A (en) 2000-08-18
EP1147618A2 (de) 2001-10-24
JP2002536864A (ja) 2002-10-29

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