DE69921207D1 - Mehrträger CDMA-Übertragungssystem mit Frequenz- und Raumdiversity - Google Patents

Mehrträger CDMA-Übertragungssystem mit Frequenz- und Raumdiversity

Info

Publication number
DE69921207D1
DE69921207D1 DE69921207T DE69921207T DE69921207D1 DE 69921207 D1 DE69921207 D1 DE 69921207D1 DE 69921207 T DE69921207 T DE 69921207T DE 69921207 T DE69921207 T DE 69921207T DE 69921207 D1 DE69921207 D1 DE 69921207D1
Authority
DE
Germany
Prior art keywords
frequency
transmission system
spatial diversity
cdma transmission
carrier cdma
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 - Fee Related
Application number
DE69921207T
Other languages
English (en)
Other versions
DE69921207T2 (de
Inventor
Subramanian Ramesh Nallepilli
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of DE69921207D1 publication Critical patent/DE69921207D1/de
Publication of DE69921207T2 publication Critical patent/DE69921207T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/12—Frequency diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H04L5/026—Multiplexing of multicarrier modulation signals using code division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/12—Channels characterised by the type of signal the signals being represented by different phase modulations of a single carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
DE69921207T 1998-01-13 1999-01-05 Mehrträger CDMA-Übertragungssystem mit Frequenz- und Raumdiversity Expired - Fee Related DE69921207T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6537 1998-01-13
US09/006,537 US6256290B1 (en) 1996-09-13 1998-01-13 Multi-carrier CDMA transmission system with frequency and transmit diversity

Publications (2)

Publication Number Publication Date
DE69921207D1 true DE69921207D1 (de) 2004-11-25
DE69921207T2 DE69921207T2 (de) 2005-10-13

Family

ID=21721361

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69921207T Expired - Fee Related DE69921207T2 (de) 1998-01-13 1999-01-05 Mehrträger CDMA-Übertragungssystem mit Frequenz- und Raumdiversity

Country Status (6)

Country Link
US (1) US6256290B1 (de)
EP (1) EP0929161B1 (de)
JP (1) JPH11261462A (de)
CN (1) CN1285223C (de)
CA (1) CA2256822C (de)
DE (1) DE69921207T2 (de)

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US6680928B1 (en) 1997-07-22 2004-01-20 Ericsson Inc. Communications system and method for multi-carrier orthogonal coding
US6671266B1 (en) * 1998-03-26 2003-12-30 Samsung Electronics Co., Ltd. Device and method for controlling powers of orthogonal channel and quasi-orthogonal channel in CDMA communication system
US6781980B1 (en) 1998-10-22 2004-08-24 Lucent Technologies Inc. CDMA transmitter and method generating combined high-rate and low-rate CDMA signals
US6128330A (en) 1998-11-24 2000-10-03 Linex Technology, Inc. Efficient shadow reduction antenna system for spread spectrum
US6317411B1 (en) * 1999-02-22 2001-11-13 Motorola, Inc. Method and system for transmitting and receiving signals transmitted from an antenna array with transmit diversity techniques
ATE255788T1 (de) * 1999-06-28 2003-12-15 Ericsson Inc Übertragungssystem und verfahren zur orthogonalen mehrträgerkodierung
US6721339B2 (en) * 1999-08-17 2004-04-13 Lucent Technologies Inc. Method of providing downlink transmit diversity
FR2803459B1 (fr) * 1999-12-30 2002-02-15 Itis Systeme de transmission a diversite spatiale, temporelle et frequentielle
SG108240A1 (en) 2000-02-23 2005-01-28 Ntt Docomo Inc Multi-carrier cdma radio transmitting method and apparatus, and channel estimation method and apparatus for multi-carrier cdma radio transmitting system
US7154958B2 (en) * 2000-07-05 2006-12-26 Texas Instruments Incorporated Code division multiple access wireless system with time reversed space time block transmitter diversity
KR100530782B1 (ko) * 2000-11-06 2005-11-23 가부시키가이샤 엔.티.티.도코모 쇼트 코드 및 롱 코드를 사용하는 멀티캐리어 ｃｄｍａ방식의 이동 통신 시스템
US7177598B2 (en) * 2000-11-15 2007-02-13 Wi-Lan, Inc. Method and system for reducing channel interference in a frame-synchronized wireless communication system
KR100730601B1 (ko) 2001-02-03 2007-06-21 삼성전자주식회사 무선 통신기기 및 그 통신방법 및 이를 적용한 무선통신시스템
US6961545B2 (en) * 2001-04-09 2005-11-01 Atheros Communications, Inc. Method and system for providing antenna diversity
GB0115937D0 (en) * 2001-06-29 2001-08-22 Koninkl Philips Electronics Nv Radio communication system
KR100763378B1 (ko) * 2001-07-27 2007-10-05 엘지전자 주식회사 다수의 안테나를 이용한 신호 송수신 방법 및 이를 위한시스템
WO2003017558A2 (en) * 2001-08-21 2003-02-27 Morphics Technology, Inc. Method and apparatus for enhancing data rates in spread spectrum communication systems
US6496158B1 (en) * 2001-10-01 2002-12-17 The Aerospace Corporation Intermodulation grating lobe suppression method
EP1363410A4 (de) * 2001-10-31 2010-10-20 Panasonic Corp Funkübertragungsvorrichtung und funkkommunikationsverfahren
FR2835369B1 (fr) 2002-01-31 2005-09-30 Evolium Sas Station de base pour systeme de telecommunication
US7499709B2 (en) * 2002-02-07 2009-03-03 Alcatel-Lucent Usa Inc. Method and apparatus for closed loop transmit diversity in a wireless communications system
US7116944B2 (en) * 2002-02-07 2006-10-03 Lucent Technologies Inc. Method and apparatus for feedback error detection in a wireless communications systems
US7263132B2 (en) * 2002-08-13 2007-08-28 Mitsubishi Electric Research Laboratories, Inc. Adaptive space-time transmit diversity coding for MIMO systems
US20040032910A1 (en) * 2002-08-13 2004-02-19 Jyhchau Horng MIMO systems with STTD encoding and dynamic power allocation
AU2003239104A1 (en) * 2003-06-04 2005-01-04 Agency For Science, Technology And Research A method and apparatus for a multicarrier code division multiple access system
US7440510B2 (en) * 2003-09-15 2008-10-21 Intel Corporation Multicarrier transmitter, multicarrier receiver, and methods for communicating multiple spatial signal streams
US7869528B2 (en) * 2003-10-31 2011-01-11 Northrop Grumman Systems Corporation Multi-carrier transceiver assembly
US11152971B2 (en) * 2004-02-02 2021-10-19 Charles Abraham Frequency modulated OFDM over various communication media
EP1628426B1 (de) 2004-08-17 2015-07-22 Samsung Electronics Co., Ltd. Vorrichtung und Verfahren zur Leistungsverbesserung von Raum-Zeit-Frequenz Blockkodierungen
US7391317B2 (en) * 2004-09-08 2008-06-24 Satius, Inc. Apparatus and method for transmitting digital data over various communication media
US8009752B2 (en) * 2004-10-01 2011-08-30 Qualcomm Incorporated Multi-carrier incremental redundancy for packet-based wireless communications
GB0426354D0 (en) * 2004-12-01 2005-01-05 Quintel Technology Ltd Sectorisation of cellular radio
KR101075761B1 (ko) 2005-02-02 2011-10-24 삼성전자주식회사 다중입출력 시스템에서 심볼을 송신하는 송신기 및 송신 방법
US7957351B2 (en) * 2005-04-04 2011-06-07 Qualcomm Incorporated Method and apparatus for management of multi-carrier communications in a wireless communication system
US7944992B2 (en) * 2005-06-17 2011-05-17 Telefonaktiebolaget Lm Ericsson (Publ) Multicarrier CDMA system
US8200149B1 (en) * 2005-07-29 2012-06-12 The Directv Group, Inc. Combining transponder bandwidths for source and forward error correction encoding efficiency
US9525978B2 (en) 2005-07-29 2016-12-20 The Directv Group, Inc. Method and apparatus for transmitting high bandwidth signals with low bandwidth transponders
CN101505288B (zh) * 2009-02-18 2013-04-24 上海云视科技有限公司 一种宽带窄带双向通信中继装置
US9602228B1 (en) 2013-01-18 2017-03-21 Gregory R. Warnes Method and apparatus for transmission and reception of a signal over multiple frequencies with time offset encoding at each frequency
JP2018207333A (ja) * 2017-06-06 2018-12-27 富士通株式会社 基地局、無線端末、無線通信システム、及び通信制御方法

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US5887020A (en) * 1991-05-13 1999-03-23 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5289499A (en) * 1992-12-29 1994-02-22 At&T Bell Laboratories Diversity for direct-sequence spread spectrum systems
US5521937A (en) 1993-10-08 1996-05-28 Interdigital Technology Corporation Multicarrier direct sequence spread system and method
US5822359A (en) * 1994-10-17 1998-10-13 Motorola, Inc. Coherent random access channel in a spread-spectrum communication system and method
JPH08195703A (ja) * 1995-01-17 1996-07-30 Toshiba Corp 無線通信装置
US5914933A (en) * 1996-03-08 1999-06-22 Lucent Technologies Inc. Clustered OFDM communication system
US6243565B1 (en) * 1996-06-18 2001-06-05 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for transmitting communication signals using frequency and polarization diversity

Also Published As

Publication number Publication date
CN1232353A (zh) 1999-10-20
CA2256822C (en) 2003-01-14
JPH11261462A (ja) 1999-09-24
EP0929161A2 (de) 1999-07-14
DE69921207T2 (de) 2005-10-13
EP0929161B1 (de) 2004-10-20
CA2256822A1 (en) 1999-07-13
US6256290B1 (en) 2001-07-03
EP0929161A3 (de) 2001-12-05
CN1285223C (zh) 2006-11-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee