ID27248A - Arsitektur transmitter menggunakan teknik penyebaran waktu ruang dan teknik diversitas transmisi ortogonal - Google Patents

Arsitektur transmitter menggunakan teknik penyebaran waktu ruang dan teknik diversitas transmisi ortogonal

Info

Publication number
ID27248A
ID27248A IDP20000790D ID20000790D ID27248A ID 27248 A ID27248 A ID 27248A ID P20000790 D IDP20000790 D ID P20000790D ID 20000790 D ID20000790 D ID 20000790D ID 27248 A ID27248 A ID 27248A
Authority
ID
Indonesia
Prior art keywords
techniques
ortogonal
time distribution
space time
transmission diversity
Prior art date
Application number
IDP20000790D
Other languages
English (en)
Inventor
Quinn Li
Stephen Alan Allpress
R Michael Buehrer
Nallepilli S Ramesh
Robert Atmaram Soni
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 ID27248A publication Critical patent/ID27248A/id

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
IDP20000790D 1999-09-13 2000-09-13 Arsitektur transmitter menggunakan teknik penyebaran waktu ruang dan teknik diversitas transmisi ortogonal ID27248A (id)

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
ID27248A true ID27248A (id) 2001-03-15

Family

ID=23557867

Family Applications (1)

Application Number Title Priority Date Filing Date
IDP20000790D ID27248A (id) 1999-09-13 2000-09-13 Arsitektur transmitter menggunakan teknik penyebaran waktu ruang dan teknik diversitas transmisi ortogonal

Country Status (9)

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

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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
JP4328200B2 (ja) * 2001-05-31 2009-09-09 マグノーリア ブロードバンド インコーポレイテッド 品質指示信号を利用する通信装置及び通信方法
US6920314B2 (en) * 2001-07-30 2005-07-19 Lucent Technologies Inc. Symmetric sweep phase sweep transmit diversity
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
CN1269330C (zh) 2002-03-22 2006-08-09 华为技术有限公司 一种自适应加权空时发射分集方法及其系统
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
US7515877B2 (en) * 2004-11-04 2009-04-07 Magnolia Broadband Inc. Communicating signals according to a quality indicator and a time boundary indicator
US7139328B2 (en) * 2004-11-04 2006-11-21 Motorola, Inc. Method and apparatus for closed loop data transmission
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
WO2008026787A1 (en) 2006-08-30 2008-03-06 Industry-Academic Cooperation Foundation, Yonsei University Digital transmission device for multi-antenna communication system
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
US8032091B2 (en) * 2007-03-14 2011-10-04 Magnolia Broadband Inc. Method, apparatus and system for providing transmit diversity feedback during soft handoff
EP2143213B1 (en) * 2007-03-14 2011-05-11 Magnolia Broadband, Inc. Method, apparatus and system for providing transmit diversity feedback
US8699968B2 (en) 2007-03-14 2014-04-15 Google Inc. Using multiple and a single feedback for UE uplink beamforming in soft handoff
US8750811B2 (en) * 2007-03-14 2014-06-10 Google Inc. Method, apparatus and system for phase difference adjustment in transmit diversity
US8046017B2 (en) * 2007-03-15 2011-10-25 Magnolia Broadband Inc. Method and apparatus for random access channel probe initialization using transmit diversity
US8014734B2 (en) * 2007-03-15 2011-09-06 Magnolia Broadband Inc. Method, apparatus and system for controlling a transmit diversity device
US8036603B2 (en) 2007-03-15 2011-10-11 Magnolia Broadband Inc. Method, apparatus and system for providing feedback to 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

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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
JP2001127674A (ja) 2001-05-11
JP3930235B2 (ja) 2007-06-13
CA2317621C (en) 2004-03-23
KR100608427B1 (ko) 2006-08-02
CN1288295A (zh) 2001-03-21
CA2317621A1 (en) 2001-03-13
EP1087562A3 (en) 2003-05-14
US6392988B1 (en) 2002-05-21
BR0003995A (pt) 2001-04-17
KR20010030327A (ko) 2001-04-16
EP1087562A2 (en) 2001-03-28
AU5653200A (en) 2001-03-15

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