KR100773199B1 - Ｗｃｄｍａ용 공간 시간 블럭 코딩 송신 안테나 다이버시티에서의 채널 추정 - Google Patents

Ｗｃｄｍａ용 공간 시간 블럭 코딩 송신 안테나 다이버시티에서의 채널 추정 Download PDF

Info

Publication number
KR100773199B1
KR100773199B1 KR1019990043272A KR19990043272A KR100773199B1 KR 100773199 B1 KR100773199 B1 KR 100773199B1 KR 1019990043272 A KR1019990043272 A KR 1019990043272A KR 19990043272 A KR19990043272 A KR 19990043272A KR 100773199 B1 KR100773199 B1 KR 100773199B1
Authority
KR
South Korea
Prior art keywords
signals
symbol
circuit
input signals
signal
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
KR1019990043272A
Other languages
English (en)
Korean (ko)
Other versions
KR20000028903A (ko
Inventor
다백아난드지.
호서스리나스
Original Assignee
텍사스 인스트루먼츠 인코포레이티드
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 텍사스 인스트루먼츠 인코포레이티드 filed Critical 텍사스 인스트루먼츠 인코포레이티드
Publication of KR20000028903A publication Critical patent/KR20000028903A/ko
Application granted granted Critical
Publication of KR100773199B1 publication Critical patent/KR100773199B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • 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
    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1019990043272A 1998-10-07 1999-10-07 Ｗｃｄｍａ용 공간 시간 블럭 코딩 송신 안테나 다이버시티에서의 채널 추정 Expired - Lifetime KR100773199B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10344098P 1998-10-07 1998-10-07
US60103440 1998-10-07
US19689698A 1998-11-19 1998-11-19
US9196896 1998-11-19
US09196896 1998-11-19

Publications (2)

Publication Number Publication Date
KR20000028903A KR20000028903A (ko) 2000-05-25
KR100773199B1 true KR100773199B1 (ko) 2007-11-02

Family

ID=26800464

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019990043272A Expired - Lifetime KR100773199B1 (ko) 1998-10-07 1999-10-07 Ｗｃｄｍａ용 공간 시간 블럭 코딩 송신 안테나 다이버시티에서의 채널 추정

Country Status (4)

Country Link
EP (1) EP0993129B1 (enExample)
JP (1) JP2000201102A (enExample)
KR (1) KR100773199B1 (enExample)
DE (1) DE69934951T2 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6853689B1 (en) * 1999-07-15 2005-02-08 Telefonaktiebolaget Lm Ericsson Method and apparatus for channel estimation with transmit diversity
US6317410B1 (en) * 1999-09-13 2001-11-13 Lucent Technologies Inc. Receiver architecture employing space time spreading and orthogonal transmit diversity techniques
JP2001168777A (ja) * 1999-12-06 2001-06-22 Matsushita Electric Ind Co Ltd 通信端末装置及び無線通信方法
JP3338421B2 (ja) 2000-04-28 2002-10-28 松下電器産業株式会社 無線受信装置および無線受信方法
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
EP2262157A3 (en) 2000-07-05 2011-03-23 Sony Deutschland Gmbh Pilot pattern design for a STTD scheme in an OFDM system
DE10040447A1 (de) * 2000-08-18 2002-02-28 Siemens Ag Verfahren zur Kanalschätzung in einem Funksystem, insbesondere einem Mobilfunksystem
JP3607605B2 (ja) * 2000-12-04 2005-01-05 埼玉日本電気株式会社 Ｗｃｄｍａ無線基地局
US20020110108A1 (en) * 2000-12-07 2002-08-15 Younglok Kim Simple block space time transmit diversity using multiple spreading codes
EP1650892A1 (en) * 2000-12-13 2006-04-26 Interdigital Technology Corporation Modified block space time transmit diversity decoder
US7095731B2 (en) 2000-12-13 2006-08-22 Interdigital Technology Corporation Modified block space time transmit diversity encoder
KR100698199B1 (ko) * 2001-06-05 2007-03-22 엘지전자 주식회사 전송 안테나 다이버시티 방법
US7149258B2 (en) 2001-11-28 2006-12-12 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for estimation of phase offset between communication channels
US7085332B2 (en) * 2001-12-14 2006-08-01 Ericsson, Inc. Method and apparatus for two-user joint demodulation in a system having transmit diversity
US6765952B2 (en) * 2002-05-06 2004-07-20 Qualcomm Incorporated Transmit diversity pilot processing
US7508798B2 (en) 2002-12-16 2009-03-24 Nortel Networks Limited Virtual mimo communication system
US9118515B2 (en) 2014-01-08 2015-08-25 Freescale Semiconductor, Inc. Channel estimation in wireless communication

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970025649A (ko) * 1995-11-13 1997-06-24 엘리 와이스 직접 시퀀스 스펙트럼 확산 수신기를 위한 안테나 다이버시티 구현 방법 및 장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5648983A (en) * 1995-04-24 1997-07-15 Lucent Technologies Inc. CDMA rake receiver with sub-chip resolution

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970025649A (ko) * 1995-11-13 1997-06-24 엘리 와이스 직접 시퀀스 스펙트럼 확산 수신기를 위한 안테나 다이버시티 구현 방법 및 장치

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
V. Tarokh, S.M. Alamouti, P. Poon, "New detection schemes for transmit diversity with no channel estimation" (1998.10.05)

Also Published As

Publication number Publication date
DE69934951D1 (de) 2007-03-15
EP0993129A2 (en) 2000-04-12
JP2000201102A (ja) 2000-07-18
KR20000028903A (ko) 2000-05-25
EP0993129A3 (en) 2003-05-02
DE69934951T2 (de) 2007-10-25
EP0993129B1 (en) 2007-01-24

Similar Documents

Publication Publication Date Title
KR100756679B1 (ko) Ｗｃｄｍａ용 공간 시간 블럭 코딩 전송 안테나 다이버시티에서의 프레임 동기화
KR100965735B1 (ko) 이동 통신 시스템 및 신호 처리 방법
KR100773199B1 (ko) Ｗｃｄｍａ용 공간 시간 블럭 코딩 송신 안테나 다이버시티에서의 채널 추정
KR100377391B1 (ko) 두 개 이상 안테나를 사용하는 안테나 전송 다이버시티방법 및 장치
KR100814155B1 (ko) 시간 역전 시공 블록 송신기 다이버시티 인코딩을 하는코드 분할 다중 접속 무선 시스템
KR100526499B1 (ko) 두 개 이상 안테나를 사용하는 안테나 전송 다이버시티방법 및 장치
US6775260B1 (en) Space time transmit diversity for TDD/WCDMA systems
US6424642B1 (en) Estimation of doppler frequency through autocorrelation of pilot symbols
JP2000201102A5 (enExample)
CA2379122A1 (en) Transmit diversity transmitter and receiver for radio communications systems
EP1133071B1 (en) Space time transmit diversity for tdd/wcdma systems
KR100553068B1 (ko) 다중 입출력 통신 시스템의 신호처리 장치 및 방법

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19991007

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20041007

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19991007

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20060630

Patent event code: PE09021S01D

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20070328

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20070831

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20071029

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20071029

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
G170 Re-publication after modification of scope of protection [patent]
PG1701 Publication of correction
PR1001 Payment of annual fee

Payment date: 20100930

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20110929

Start annual number: 5

End annual number: 5

FPAY Annual fee payment

Payment date: 20120927

Year of fee payment: 6

PR1001 Payment of annual fee

Payment date: 20120927

Start annual number: 6

End annual number: 6

FPAY Annual fee payment

Payment date: 20130927

Year of fee payment: 7

PR1001 Payment of annual fee

Payment date: 20130927

Start annual number: 7

End annual number: 7

FPAY Annual fee payment

Payment date: 20140929

Year of fee payment: 8

PR1001 Payment of annual fee

Payment date: 20140929

Start annual number: 8

End annual number: 8

FPAY Annual fee payment

Payment date: 20150930

Year of fee payment: 9

PR1001 Payment of annual fee

Payment date: 20150930

Start annual number: 9

End annual number: 9

FPAY Annual fee payment

Payment date: 20160929

Year of fee payment: 10

PR1001 Payment of annual fee

Payment date: 20160929

Start annual number: 10

End annual number: 10

FPAY Annual fee payment

Payment date: 20170929

Year of fee payment: 11

PR1001 Payment of annual fee

Payment date: 20170929

Start annual number: 11

End annual number: 11

FPAY Annual fee payment

Payment date: 20180928

Year of fee payment: 12

PR1001 Payment of annual fee

Payment date: 20180928

Start annual number: 12

End annual number: 12

PC1801 Expiration of term

Termination date: 20200407

Termination category: Expiration of duration