DE60019830D1 - Zeit- und Raumdiversität für WCDMA - Google Patents

Zeit- und Raumdiversität für WCDMA

Info

Publication number
DE60019830D1
DE60019830D1 DE60019830T DE60019830T DE60019830D1 DE 60019830 D1 DE60019830 D1 DE 60019830D1 DE 60019830 T DE60019830 T DE 60019830T DE 60019830 T DE60019830 T DE 60019830T DE 60019830 D1 DE60019830 D1 DE 60019830D1
Authority
DE
Germany
Prior art keywords
wcdma
time
space diversity
diversity
space
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
DE60019830T
Other languages
English (en)
Other versions
DE60019830T2 (de
Inventor
Ganesh Anand Dabak
Timothy M Schmidl
Srinath Hosur
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of DE60019830D1 publication Critical patent/DE60019830D1/de
Application granted granted Critical
Publication of DE60019830T2 publication Critical patent/DE60019830T2/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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE60019830T 1999-02-12 2000-02-11 Zeit- und Raumdiversität für WCDMA Expired - Lifetime DE60019830T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US373855 1989-06-29
US11973299P 1999-02-12 1999-02-12
US119732P 1999-02-12
US12060999P 1999-02-18 1999-02-18
US120609P 1999-02-18
US09/373,855 US6728302B1 (en) 1999-02-12 1999-08-13 STTD encoding for PCCPCH

Publications (2)

Publication Number Publication Date
DE60019830D1 true DE60019830D1 (de) 2005-06-09
DE60019830T2 DE60019830T2 (de) 2006-01-26

Family

ID=27382359

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60019830T Expired - Lifetime DE60019830T2 (de) 1999-02-12 2000-02-11 Zeit- und Raumdiversität für WCDMA

Country Status (4)

Country Link
US (3) US6728302B1 (de)
EP (1) EP1028556B1 (de)
JP (1) JP2000269868A (de)
DE (1) DE60019830T2 (de)

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US6728302B1 (en) 1999-02-12 2004-04-27 Texas Instruments Incorporated STTD encoding for PCCPCH
EP1065800A1 (de) * 1999-07-02 2001-01-03 Lucent Technologies Inc. CDMA-System mit verbesserten Pilot-Kanälen
JP3419726B2 (ja) * 2000-02-03 2003-06-23 松下電器産業株式会社 メモリ回路および同期検波回路
EP1303924A2 (de) * 2000-02-29 2003-04-23 Inari, Inc. Verfahren und anordnung für stromversorgungsnetz mit hoher datenrate
US7149253B2 (en) * 2000-03-21 2006-12-12 Texas Instruments Incorporated Wireless communication
US7020072B1 (en) * 2000-05-09 2006-03-28 Lucent Technologies, Inc. Orthogonal frequency division multiplexing transmit diversity system for frequency-selective fading channels
GB2364210A (en) * 2000-06-30 2002-01-16 Nokia Oy Ab Diversity receiver and method of receiving a multi carrier signal
EP1170897B1 (de) * 2000-07-05 2020-01-15 Wi-Fi One Technologies International Limited Pilotsmusterentwurf für ein STTD-Schema in einem OFDM-System
KR100663441B1 (ko) 2000-10-02 2007-01-02 삼성전자주식회사 협대역 시분할 듀플렉싱 부호분할다중접속 통신시스템에서 전송 다이버시티 사용 여부 보고방법 및 장치
CA2323164A1 (en) 2000-10-11 2002-04-11 Ramesh Mantha Method, system and apparatus for improving reception in multiple access communication systems
KR100663454B1 (ko) 2000-10-30 2007-01-02 삼성전자주식회사 이동통신시스템에서 주 정보 블록 전송 위치 보고방법
US20020110108A1 (en) * 2000-12-07 2002-08-15 Younglok Kim Simple block space time transmit diversity using multiple spreading codes
CA2374699C (en) 2001-03-06 2009-02-03 Research In Motion Limited Method and apparatus for frequency tracking in a space time transmit diversity receiver
KR100403743B1 (ko) * 2001-04-14 2003-10-30 삼성전자주식회사 이동통신시스템에서 프레임 동기 획득 장치 및 방법
JP3814502B2 (ja) * 2001-08-09 2006-08-30 松下電器産業株式会社 干渉除去装置及び干渉除去方法
KR100401954B1 (ko) * 2001-11-01 2003-10-17 한국전자통신연구원 기지국의 시공 전송 다이버시티 부호화 사용 여부 판정장치 및 그 방법
AU2002249061A1 (en) * 2002-03-22 2003-10-08 Huawei Technologies Co., Ltd. A self-adapting weighted space time transmitting diversity receiving method and system thereof
US7444161B2 (en) 2002-03-22 2008-10-28 Huawei Technologies Co., Ltd. Self & minus; adaptive weighted space time transmitting diversity method and system thereof
WO2004034614A1 (en) * 2002-10-11 2004-04-22 Telefonaktiebolaget Lm Ericsson (Publ) A method and device for estimating a signal to interference ratio (sir) in wcdma systems
DE10250861B4 (de) * 2002-10-31 2007-01-04 Infineon Technologies Ag Verfahren und Vorrichtungen zur Detektion des TX-Diversity-Modes für Mobilfunkempfänger
US6970713B2 (en) 2003-07-09 2005-11-29 Interdigital Technology Corporation Method and system wherein timeslots allocated for common control channels may be reused for user traffic
JP2005110130A (ja) * 2003-10-01 2005-04-21 Samsung Electronics Co Ltd 共通チャネル伝送システム、共通チャネル伝送方法及び通信プログラム
DE10347985B4 (de) * 2003-10-15 2005-11-10 Infineon Technologies Ag Verfahren und Vorrichtung zur Erkennung von Sendeantennendiversität im Empfänger sowie zur Scrambling-Code-Indentifizierung
GB2410396A (en) * 2004-01-20 2005-07-27 Ubinetics Ltd Pilot signal manipulation in transmit diversity communications
JP5171630B2 (ja) * 2005-09-28 2013-03-27 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおける時空間エンコードされた信号を識別する方法
US20100027698A1 (en) * 2006-10-11 2010-02-04 Posdata Co., Ltd. Apparatus and method for estimating channel in ofdm/ofdma based wireless communication system
JP4465374B2 (ja) * 2007-08-14 2010-05-19 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、基地局装置及び送信方法
US8565775B2 (en) * 2008-06-25 2013-10-22 Qualcomm Incorporated Methods and apparatus for common channel cancellation in wireless communications
WO2012026869A1 (en) * 2010-08-23 2012-03-01 Telefonaktiebolaget L M Ericsson (Publ) Devices and methods for transmitting / receiving instructions for uplink transmission in a wcdma system
CN103379607B (zh) * 2012-04-17 2018-01-30 中兴通讯股份有限公司 Td‑hspa+终端设备的增益控制方法和装置
CN111313940B (zh) * 2020-02-12 2022-05-06 惠州Tcl移动通信有限公司 一种mimo系统和mimo系统区分信号的方法

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US4983981A (en) * 1989-02-24 1991-01-08 Hazeltine Corporation Active array element amplitude stabilization
US5088113A (en) * 1990-01-02 1992-02-11 At&T Bell Laboratories Diversity coded modulation
EP0449327B1 (de) * 1990-03-30 1998-07-15 Nec Corporation Störungsunempfindlicher Raumdiversityempfänger
US5812639A (en) * 1994-12-05 1998-09-22 Bell Atlantic Network Services, Inc. Message communication via common signaling channel
US5475677A (en) * 1994-12-29 1995-12-12 Bell Communications Research Inc. Compatible licensed and unlicensed band portable handset unit for TDMA wireless communications system
JP2751869B2 (ja) * 1995-04-28 1998-05-18 日本電気株式会社 送信ダイバシティ方式
US5642377A (en) 1995-07-25 1997-06-24 Nokia Mobile Phones, Ltd. Serial search acquisition system with adaptive threshold and optimal decision for spread spectrum systems
US5872775A (en) 1996-10-30 1999-02-16 Qualcomm Incorporated Method and apparatus for performing rate determination
US5991282A (en) * 1997-05-28 1999-11-23 Telefonaktiebolaget Lm Ericsson Radio communication system with diversity reception on a time-slot by time-slot basis
US5867478A (en) 1997-06-20 1999-02-02 Motorola, Inc. Synchronous coherent orthogonal frequency division multiplexing system, method, software and device
US6501803B1 (en) * 1998-10-05 2002-12-31 At&T Wireless Services, Inc. Low complexity maximum likelihood detecting of concatenated space codes for wireless applications
US6067315A (en) 1997-12-04 2000-05-23 Telefonaktiebolaget Lm Ericsson Method and apparatus for coherently-averaged power estimation
US6188736B1 (en) * 1997-12-23 2001-02-13 At&T Wireless Svcs. Inc. Near-optimal low-complexity decoding of space-time codes for fixed wireless applications
US6389085B1 (en) * 1998-01-14 2002-05-14 Wavecom Electronics Inc. Receiver combiner for spatial diversity digital communications
US6363104B1 (en) * 1998-10-02 2002-03-26 Ericsson Inc. Method and apparatus for interference cancellation in a rake receiver
US6643338B1 (en) * 1998-10-07 2003-11-04 Texas Instruments Incorporated Space time block coded transmit antenna diversity for WCDMA
US6304750B1 (en) * 1998-11-06 2001-10-16 Lucent Technologies Inc. Space-time diversity receiver for wireless systems
US6728302B1 (en) 1999-02-12 2004-04-27 Texas Instruments Incorporated STTD encoding for PCCPCH
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
US6393073B1 (en) * 1999-06-28 2002-05-21 Raytheon Company Method of frequency offset estimation and correction for adaptive antennas
US7324617B1 (en) * 2003-03-24 2008-01-29 National Semiconductor Corporation Apparatus and method for detecting downlink transmit diversity at a mobile device

Also Published As

Publication number Publication date
JP2000269868A (ja) 2000-09-29
DE60019830T2 (de) 2006-01-26
US20040252796A1 (en) 2004-12-16
EP1028556B1 (de) 2005-05-04
US8059746B2 (en) 2011-11-15
EP1028556A3 (de) 2002-07-24
US20090279634A1 (en) 2009-11-12
EP1028556A2 (de) 2000-08-16
US7555068B2 (en) 2009-06-30
US6728302B1 (en) 2004-04-27

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Legal Events

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