BR0003995A - Transmissor possuindo um primeiro e um segundo modo de operação - Google Patents

Transmissor possuindo um primeiro e um segundo modo de operação

Info

Publication number
BR0003995A
BR0003995A BR0003995-0A BR0003995A BR0003995A BR 0003995 A BR0003995 A BR 0003995A BR 0003995 A BR0003995 A BR 0003995A BR 0003995 A BR0003995 A BR 0003995A
Authority
BR
Brazil
Prior art keywords
transmitter
operating mode
scheme
binary switches
components
Prior art date
Application number
BR0003995-0A
Other languages
English (en)
Inventor
Quinn Li
Nallepilli S Ramesh
Robert Atmaram Soni
R Michael Buehrer
Stephen Alan Allpress
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
Publication of BR0003995A publication Critical patent/BR0003995A/pt

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
    • H04L1/0618—Space-time coding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Radio Transmission System (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

<B>TRANSMISSOR POSSUINDO UM PRIMEIRO E UM SEGUNDO MODO DE OPERAçãO<D> é revelada uma arquitetura de transmissor comum tendo incorporado esquemas de diversidade de transmissão de enlace aberto, utilizando uma pluralidade de comutadores binários. O emprego de comutadores binários permite a partilha de certos componentes, se o transmissor estiver utilizando um esquema de diversidade de transmissão ortogonal (OTD) ou um esquema de espalhamento de tempo-espaço (STS). Por conseguinte, o número de componentes no transmissor é minimizado e a complexidade do transmissor é simples o suficiente para ser implementada em um único chip integrado de aplicação específica.
BR0003995-0A 1999-09-13 2000-09-05 Transmissor possuindo um primeiro e um segundo modo de operação BR0003995A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/394,172 US6392988B1 (en) 1999-09-13 1999-09-13 Transmitter architecture employing space time spreading and orthogonal transmit diversity techniques

Publications (1)

Publication Number Publication Date
BR0003995A true BR0003995A (pt) 2001-04-17

Family

ID=23557867

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0003995-0A BR0003995A (pt) 1999-09-13 2000-09-05 Transmissor possuindo um primeiro e um segundo modo de operação

Country Status (9)

Country Link
US (1) US6392988B1 (pt)
EP (1) EP1087562A3 (pt)
JP (1) JP3930235B2 (pt)
KR (1) KR100608427B1 (pt)
CN (1) CN1288295A (pt)
AU (1) AU5653200A (pt)
BR (1) BR0003995A (pt)
CA (1) CA2317621C (pt)
ID (1) ID27248A (pt)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6898441B1 (en) * 2000-09-12 2005-05-24 Lucent Technologies Inc. Communication system having a flexible transmit configuration
US8249187B2 (en) 2002-05-09 2012-08-21 Google Inc. System, method and apparatus for mobile transmit diversity using symmetric phase difference
IL158986A0 (en) * 2001-05-31 2004-05-12 Magnolia Broadband Inc Communication device with smart antenna using a quality-indication signal
US6920314B2 (en) * 2001-07-30 2005-07-19 Lucent Technologies Inc. Symmetric sweep phase sweep transmit diversity
US7116944B2 (en) * 2002-02-07 2006-10-03 Lucent Technologies Inc. Method and apparatus for feedback error detection in a wireless communications systems
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
AU2002250773A1 (en) 2002-03-22 2003-10-08 Huawei Technologies Co., Ltd. A self-adapting weighted space time transmitting diversity method and system thereof
US7505741B2 (en) * 2002-11-01 2009-03-17 Magnolia Broadband Inc. Processing diversity signals using a delay
US7418067B1 (en) 2003-04-14 2008-08-26 Magnolia Broadband Inc. Processing diversity signals at a mobile device using phase adjustments
US7430430B2 (en) * 2003-12-16 2008-09-30 Magnolia Broadband Inc. Adjusting a signal at a diversity system
US7272359B2 (en) * 2004-01-26 2007-09-18 Magnolia Broadband Inc. Communicating signals according to a quality indicator using multiple antenna elements
US7558591B2 (en) * 2004-10-12 2009-07-07 Magnolia Broadband Inc. Determining a power control group boundary of a power control group
US7139328B2 (en) * 2004-11-04 2006-11-21 Motorola, Inc. Method and apparatus for closed loop data transmission
US7515877B2 (en) * 2004-11-04 2009-04-07 Magnolia Broadband Inc. Communicating signals according to a quality indicator and a time boundary indicator
DE102005017080B4 (de) * 2005-04-08 2007-07-26 Accelant Communications Gmbh Übertragungsverfahren in einem Funksystem mit mehreren Sende-/Empfangszweigen in der Basisstation
US7616930B2 (en) * 2005-05-24 2009-11-10 Magnolia Broadband Inc. Determining a phase adjustment in accordance with power trends
US20060267983A1 (en) * 2005-05-24 2006-11-30 Magnolia Broadband Inc. Modifying a signal by adjusting the phase and amplitude of the signal
US7783267B1 (en) 2005-06-23 2010-08-24 Magnolia Broadband Inc. Modifying a signal in response to quality indicator availability
US7633905B1 (en) 2005-09-02 2009-12-15 Magnolia Broadband Inc. Calibrating a transmit diversity communication device
US7835702B1 (en) 2005-09-15 2010-11-16 Magnolia Broadband Inc. Calculating a diversity parameter adjustment according to previously applied diversity parameter adjustments
US7746946B2 (en) * 2005-10-10 2010-06-29 Magnolia Broadband Inc. Performing a scan of diversity parameter differences
US7630445B1 (en) 2005-10-25 2009-12-08 Magnolia Broadband Inc. Establishing slot boundaries of slots of a diversity control feedback signal
US7796717B2 (en) * 2005-11-02 2010-09-14 Magnolia Brandband Inc. Modifying a signal according to a diversity parameter adjustment
US7965987B2 (en) * 2005-11-03 2011-06-21 Magnolia Broadband Inc. Amplifying a transmit signal using a fractional power amplifier
KR100807392B1 (ko) 2006-08-30 2008-02-28 연세대학교 산학협력단 다중 안테나 통신 시스템을 위한 디지털 전송장치
US7949069B2 (en) * 2006-10-26 2011-05-24 Magnolia Broadband Inc. Method, system and apparatus for applying hybrid ARQ to the control of transmit diversity
US8150441B2 (en) 2006-11-06 2012-04-03 Magnolia Broadband Inc. Modifying a signal by controlling transmit diversity parameters
US8199735B2 (en) * 2006-12-12 2012-06-12 Google Inc. Method, system and apparatus for the control of transmit diversity
US7663545B2 (en) * 2006-12-26 2010-02-16 Magnolia Broadband Inc. Method, system and apparatus for determining antenna weighting for transmit diversity
US8027374B2 (en) * 2006-12-27 2011-09-27 Magnolia Broadband Inc. Method, system and apparatus for transmit diversity control
US20080160990A1 (en) * 2006-12-29 2008-07-03 Yair Karmi System, method and apparatus for identification of power control using reverse rate indication
US7869535B2 (en) * 2007-02-28 2011-01-11 Magnolia Broadband Inc. Method, system and apparatus for phase control of transmit diversity signals
US7991365B2 (en) * 2007-03-01 2011-08-02 Magnolia Broadband Inc. Method, system and apparatus for estimation of propagation path variability of a transmit diversity channel
US20080227414A1 (en) 2007-03-01 2008-09-18 Yair Karmi System, method and apparatus for transmit diversity control based on variations in propagation path
US8699968B2 (en) 2007-03-14 2014-04-15 Google Inc. Using multiple and a single feedback for UE uplink beamforming in soft handoff
US8032091B2 (en) 2007-03-14 2011-10-04 Magnolia Broadband Inc. Method, apparatus and system for providing transmit diversity feedback during soft handoff
US8750811B2 (en) * 2007-03-14 2014-06-10 Google Inc. Method, apparatus and system for phase difference adjustment in transmit diversity
EP2143213B1 (en) * 2007-03-14 2011-05-11 Magnolia Broadband, Inc. Method, apparatus and system for providing transmit diversity feedback
US8046017B2 (en) * 2007-03-15 2011-10-25 Magnolia Broadband Inc. Method and apparatus for random access channel probe initialization using transmit diversity
US8036603B2 (en) * 2007-03-15 2011-10-11 Magnolia Broadband Inc. Method, apparatus and system for providing feedback to a transmit diversity device
US8014734B2 (en) * 2007-03-15 2011-09-06 Magnolia Broadband Inc. Method, apparatus and system for controlling a transmit diversity device
US8032092B2 (en) * 2007-12-06 2011-10-04 Magnolia Broadband Inc. System, apparatus and method for introducing antenna pattern variability
US8442457B2 (en) 2009-09-08 2013-05-14 Google Inc. System and method for adaptive beamforming for specific absorption rate control
US8958757B2 (en) 2010-05-10 2015-02-17 Google Inc. System, method and apparatus for mobile transmit diversity using symmetric phase difference
EP2578042B1 (en) 2010-05-26 2015-07-08 Google, Inc. Method for random access channel probe initialization using transmit diversity
US9048913B2 (en) 2010-07-06 2015-06-02 Google Inc. Method and apparatus for adaptive control of transmit diversity to provide operating power reduction
US8849222B2 (en) 2011-02-16 2014-09-30 Google Inc. Method and device for phase adjustment based on closed-loop diversity feedback

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2846860B2 (ja) * 1996-10-01 1999-01-13 ユニデン株式会社 スペクトル拡散通信方式を用いた送信機、受信機、通信システム及び通信方法
SE9801241L (sv) * 1997-04-09 1998-10-10 Daewoo Telecom Ltd PC-CDMA-multibärfrekvenssystem
US6173005B1 (en) * 1997-09-04 2001-01-09 Motorola, Inc. Apparatus and method for transmitting signals in a communication system
US6185266B1 (en) * 1997-10-07 2001-02-06 Motorola, Inc. Method and system for generating a power control metric in an orthogonal transmit diversity communication system
KR100433901B1 (ko) * 1998-02-21 2004-11-06 삼성전자주식회사 이동통신시스템의시간스위칭송신다이버시티장치

Also Published As

Publication number Publication date
KR100608427B1 (ko) 2006-08-02
US6392988B1 (en) 2002-05-21
AU5653200A (en) 2001-03-15
CA2317621A1 (en) 2001-03-13
EP1087562A3 (en) 2003-05-14
JP2001127674A (ja) 2001-05-11
ID27248A (id) 2001-03-15
EP1087562A2 (en) 2001-03-28
CN1288295A (zh) 2001-03-21
JP3930235B2 (ja) 2007-06-13
KR20010030327A (ko) 2001-04-16
CA2317621C (en) 2004-03-23

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]
B15K Others concerning applications: alteration of classification

Ipc: H04L 1/06 (2006.01)