DE60229075D1 - Vorrichtung für ein Spreizspektrum-Kommunikationssystem - Google Patents

Vorrichtung für ein Spreizspektrum-Kommunikationssystem

Info

Publication number
DE60229075D1
DE60229075D1 DE60229075T DE60229075T DE60229075D1 DE 60229075 D1 DE60229075 D1 DE 60229075D1 DE 60229075 T DE60229075 T DE 60229075T DE 60229075 T DE60229075 T DE 60229075T DE 60229075 D1 DE60229075 D1 DE 60229075D1
Authority
DE
Germany
Prior art keywords
communication system
spread spectrum
spectrum communication
spread
spectrum
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
DE60229075T
Other languages
English (en)
Inventor
Katsutoshi Itoh
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE60229075D1 publication Critical patent/DE60229075D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0012—Modulated-carrier systems arrangements for identifying the type of modulation
    • 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
    • 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
    • H04B1/7097—Interference-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • 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
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • 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
    • H04B2201/70707—Efficiency-related aspects
    • 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
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709709—Methods of preventing interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE60229075T 2001-06-01 2002-05-30 Vorrichtung für ein Spreizspektrum-Kommunikationssystem Expired - Lifetime DE60229075D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001166808 2001-06-01
JP2001280117A JP3637884B2 (ja) 2001-06-01 2001-09-14 逆拡散装置、伝播路推定装置、受信装置ならびに干渉抑圧装置、逆拡散、伝播路推定、受信および干渉抑圧方法、該プログラムおよび該プログラムを記録した記録媒体

Publications (1)

Publication Number Publication Date
DE60229075D1 true DE60229075D1 (de) 2008-11-06

Family

ID=26616211

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60229075T Expired - Lifetime DE60229075D1 (de) 2001-06-01 2002-05-30 Vorrichtung für ein Spreizspektrum-Kommunikationssystem
DE2002614107 Expired - Lifetime DE60214107T2 (de) 2001-06-01 2002-05-30 Vorrichtung für ein spreizspektrum-kommunikationssystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE2002614107 Expired - Lifetime DE60214107T2 (de) 2001-06-01 2002-05-30 Vorrichtung für ein spreizspektrum-kommunikationssystem

Country Status (5)

Country Link
US (1) US7283581B2 (de)
EP (2) EP1601115B1 (de)
JP (1) JP3637884B2 (de)
DE (2) DE60229075D1 (de)
WO (1) WO2002099989A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040081131A1 (en) * 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
JP4481684B2 (ja) * 2003-02-27 2010-06-16 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、無線局及び無線通信方法
US7209716B2 (en) * 2003-02-27 2007-04-24 Ntt Docomo, Inc. Radio communication system, radio station, and radio communication method
JP3877708B2 (ja) * 2003-05-23 2007-02-07 三洋電機株式会社 基地局装置、端末装置、通信システム
JP4317551B2 (ja) * 2003-10-31 2009-08-19 京セラ株式会社 伝送速度決定方法およびそれを利用した基地局装置、端末装置
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
KR100634575B1 (ko) * 2004-05-12 2006-10-16 주식회사 케이티프리텔 업링크 성능 향상을 위한 적응변조코딩 방법 및 장치
CN101908907B (zh) * 2005-01-24 2012-07-25 株式会社Ntt都科摩 移动通信终端和控制多径干扰去除装置的起动的方法
JP4551249B2 (ja) 2005-03-14 2010-09-22 株式会社エヌ・ティ・ティ・ドコモ 移動通信端末
JP4129014B2 (ja) * 2005-08-10 2008-07-30 株式会社エヌ・ティ・ティ・ドコモ 移動通信端末
JP4182448B2 (ja) * 2006-07-27 2008-11-19 ソニー株式会社 受信装置、受信方法、プログラム、並びに、記録媒体
EP1901496B1 (de) * 2006-09-12 2010-09-01 Panasonic Corporation Verbindungsanpassung in Abhängigkeit von der Kontrollsignalisierung
JP4304632B2 (ja) * 2006-10-12 2009-07-29 ソニー株式会社 受信装置、受信方法、プログラム、並びに、記録媒体
US8036240B2 (en) * 2007-12-14 2011-10-11 Microsoft Corporation Software defined cognitive radio
CN101553052B (zh) * 2008-04-03 2011-03-30 华为技术有限公司 一种解调方式识别方法和装置
CN102474756B (zh) 2009-07-15 2014-12-24 日本电气株式会社 无线基站接收设备和信号解调方法及其中使用的程序

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2605615B2 (ja) 1993-12-30 1997-04-30 日本電気株式会社 スペクトラム拡散受信機
US5544156A (en) * 1994-04-29 1996-08-06 Telefonaktiebolaget Lm Ericsson Direct sequence CDMA coherent uplink detector
JP3681230B2 (ja) * 1996-07-30 2005-08-10 松下電器産業株式会社 スペクトル拡散通信装置
US5889768A (en) * 1996-08-30 1999-03-30 Motorola, Inc. Method of and apparatus for pilot channel acquisition
JPH1079720A (ja) * 1996-09-04 1998-03-24 S Gijutsu Kenkyusho:Kk スペクトラム拡散伝送用可変変復調回路
WO2000025530A2 (de) * 1998-10-27 2000-05-04 Siemens Aktiengesellschaft Verfahren und anordnung zum schätzen von übertragungskanälen in mobilfunksystemen der dritten generation
JP3764827B2 (ja) 1999-03-01 2006-04-12 富士通株式会社 マルチキャリアスペクトル拡散通信における受信機、及び受信方法
JP3428629B2 (ja) * 1999-03-26 2003-07-22 日本電気株式会社 携帯電話装置及びその電力制御方法
JP2001016135A (ja) * 1999-06-29 2001-01-19 Nec Corp 自動周波数制御方法と自動周波数制御方式とｃｄｍａ受信機
JP3412689B2 (ja) * 1999-08-26 2003-06-03 日本電気株式会社 携帯電話機
US6839380B1 (en) * 1999-09-17 2005-01-04 Texas Instruments Incorporated Robust detection for embedded signaling
US6539211B1 (en) * 2000-01-17 2003-03-25 Qualcomm Incorporated Efficient system and method for facilitating quick paging channel demodulation via an efficient offline searcher in a wireless communications system
US6879623B2 (en) * 2001-03-28 2005-04-12 Motorola, Inc. Method and apparatus for timing recovery in a communication device

Also Published As

Publication number Publication date
EP1309096A1 (de) 2003-05-07
EP1309096B1 (de) 2006-08-23
US20040037351A1 (en) 2004-02-26
US7283581B2 (en) 2007-10-16
EP1309096A4 (de) 2005-03-16
DE60214107D1 (de) 2006-10-05
EP1601115A2 (de) 2005-11-30
WO2002099989A1 (fr) 2002-12-12
EP1601115A3 (de) 2006-04-12
DE60214107T2 (de) 2007-03-08
JP3637884B2 (ja) 2005-04-13
EP1601115B1 (de) 2008-09-24
JP2003051764A (ja) 2003-02-21

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