TWI323989B - Transmission diversity systems - Google Patents

Transmission diversity systems Download PDF

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Publication number
TWI323989B
TWI323989B TW092120219A TW92120219A TWI323989B TW I323989 B TWI323989 B TW I323989B TW 092120219 A TW092120219 A TW 092120219A TW 92120219 A TW92120219 A TW 92120219A TW I323989 B TWI323989 B TW I323989B
Authority
TW
Taiwan
Prior art keywords
transmission
time
symbol stream
diversity
transmission diversity
Prior art date
Application number
TW092120219A
Other languages
English (en)
Chinese (zh)
Other versions
TW200408215A (en
Inventor
S Wallace Mark
A Lundby Stein
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW200408215A publication Critical patent/TW200408215A/zh
Application granted granted Critical
Publication of TWI323989B publication Critical patent/TWI323989B/zh

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
    • 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
    • H04B7/0667—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 of delayed versions of same signal
    • H04B7/0669—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 of delayed versions of same signal using different channel coding between antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
TW092120219A 2002-07-26 2003-07-24 Transmission diversity systems TWI323989B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/205,685 US6862434B2 (en) 2002-07-26 2002-07-26 Transmission diversity systems

Publications (2)

Publication Number Publication Date
TW200408215A TW200408215A (en) 2004-05-16
TWI323989B true TWI323989B (en) 2010-04-21

Family

ID=30770123

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092120219A TWI323989B (en) 2002-07-26 2003-07-24 Transmission diversity systems

Country Status (9)

Country Link
US (1) US6862434B2 (https=)
EP (1) EP1552624A1 (https=)
JP (1) JP4426447B2 (https=)
KR (1) KR20050021454A (https=)
CN (1) CN100414853C (https=)
AU (1) AU2003259170A1 (https=)
BR (1) BR0312950A (https=)
TW (1) TWI323989B (https=)
WO (1) WO2004012362A1 (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19914742A1 (de) * 1999-03-31 2000-10-12 Siemens Ag Verfahren zum Übertragen von Daten
US6859484B2 (en) * 1999-12-27 2005-02-22 Nec Corporation Transmission diversity detection circuit and detection method
US7024166B2 (en) * 2002-12-18 2006-04-04 Qualcomm, Incorporated Transmission diversity systems
US7406335B2 (en) * 2003-01-13 2008-07-29 Lucent Technologies Inc. Multiple antenna transmissions with deterministic phase differences
US7877081B2 (en) 2003-07-25 2011-01-25 Qualcomm Incorporated Proxy-encrypted authentication for tethered devices
US7039369B2 (en) * 2003-10-31 2006-05-02 Mitsubishi Electric Research Laboratories, Inc. Transmit diversity gain for wireless communications networks
KR100915161B1 (ko) * 2004-09-17 2009-09-03 가부시키가이샤 엔.티.티.도코모 이동 통신 방법, 이동국 및 기지국
US7660598B2 (en) * 2004-12-21 2010-02-09 Qualcomm, Incorporated Transmit power reduction for a wireless device with multiple transmit signal paths
US7882413B2 (en) * 2005-01-20 2011-02-01 New Jersey Institute Of Technology Method and/or system for space-time encoding and/or decoding
US7876849B2 (en) * 2006-05-25 2011-01-25 Viasat, Inc. Data transmission method and apparatus using networked receivers having spatial diversity
US8107543B2 (en) * 2006-06-27 2012-01-31 Amimon Ltd. High diversity time-space coding and decoding for MIMO systems
TWI458288B (zh) 2007-02-21 2014-10-21 Koninkl Philips Electronics Nv 經縮放與旋轉之Ａｌａｍｏｕｔｉ編碼
WO2013057541A1 (en) 2011-10-19 2013-04-25 Freescale Semiconductor, Inc. Multimode rake receiver, cellular base station and cellular communication device
US9780910B2 (en) * 2013-03-14 2017-10-03 Harris Corporation Systems and methods for multiple stream encoded digital video
JP2021044699A (ja) * 2019-09-11 2021-03-18 ソニーセミコンダクタソリューションズ株式会社 通信装置、制御方法、及び通信システム
CN114978420B (zh) * 2022-05-05 2023-05-16 重庆邮电大学 一种基于有限状态机的数字分集拷贝编码器及方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4601046A (en) * 1984-05-15 1986-07-15 Halpern Peter H System for transmitting data through a troposcatter medium
US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5119501A (en) * 1990-04-19 1992-06-02 Ericsson Ge Mobile Communications, Inc. Adaptive diversity equipment arrangement for cellular mobile telephone systems
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5553102A (en) * 1994-12-01 1996-09-03 Motorola, Inc. Diversity reception communication system with maximum ratio combining method
US5940445A (en) * 1996-05-31 1999-08-17 Motorola, Inc. Method and apparatus for providing transmit diversity in a wireless communication system
US6141536A (en) * 1998-06-23 2000-10-31 Visteon Global Technologies, Inc. Diversity radio system with RDS
DE69901605T2 (de) * 1999-06-24 2002-10-31 Alcatel, Paris Diversity-Übertragung in einem Mobilfunksystem
US6539209B1 (en) * 2000-05-30 2003-03-25 Lucent Technologies Inc. Code-division, multiple-access base station having transmit diversity

Also Published As

Publication number Publication date
CN1669243A (zh) 2005-09-14
EP1552624A1 (en) 2005-07-13
HK1082129A1 (zh) 2006-05-26
JP4426447B2 (ja) 2010-03-03
BR0312950A (pt) 2005-07-12
TW200408215A (en) 2004-05-16
CN100414853C (zh) 2008-08-27
KR20050021454A (ko) 2005-03-07
US20040018855A1 (en) 2004-01-29
US6862434B2 (en) 2005-03-01
JP2005534255A (ja) 2005-11-10
AU2003259170A1 (en) 2004-02-16
WO2004012362A1 (en) 2004-02-05

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees