DE60307287D1 - Berechnung von übertragungsmatrixkoeffizienten von cdma-systemen - Google Patents

Berechnung von übertragungsmatrixkoeffizienten von cdma-systemen

Info

Publication number
DE60307287D1
DE60307287D1 DE60307287T DE60307287T DE60307287D1 DE 60307287 D1 DE60307287 D1 DE 60307287D1 DE 60307287 T DE60307287 T DE 60307287T DE 60307287 T DE60307287 T DE 60307287T DE 60307287 D1 DE60307287 D1 DE 60307287D1
Authority
DE
Germany
Prior art keywords
channel
real
calculation
hermetian
system response
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
DE60307287T
Other languages
English (en)
Other versions
DE60307287T2 (de
Inventor
S Timmerman
Samuel Buchert
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.)
InterDigital Technology Corp
Original Assignee
InterDigital Technology Corp
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 InterDigital Technology Corp filed Critical InterDigital Technology Corp
Publication of DE60307287D1 publication Critical patent/DE60307287D1/de
Application granted granted Critical
Publication of DE60307287T2 publication Critical patent/DE60307287T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
    • 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
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • 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
    • H04L25/0212—Channel estimation of impulse response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707—Efficiency-related aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Complex Calculations (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Communication Control (AREA)
  • Radio Relay Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Radio Transmission System (AREA)
  • Error Detection And Correction (AREA)
DE60307287T 2002-06-28 2003-06-23 Berechnung von übertragungsmatrixkoeffizienten von cdma-systemen Expired - Lifetime DE60307287T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US39220202P 2002-06-28 2002-06-28
US392202P 2002-06-28
US264192 2002-10-03
US10/264,192 US7203181B2 (en) 2002-06-28 2002-10-03 CDMA system transmission matrix coefficient calculation
PCT/US2003/019701 WO2004004159A1 (en) 2002-06-28 2003-06-23 Cdma system transmission matrix coefficient calculation

Publications (2)

Publication Number Publication Date
DE60307287D1 true DE60307287D1 (de) 2006-09-14
DE60307287T2 DE60307287T2 (de) 2007-10-18

Family

ID=27737165

Family Applications (3)

Application Number Title Priority Date Filing Date
DE60307287T Expired - Lifetime DE60307287T2 (de) 2002-06-28 2003-06-23 Berechnung von übertragungsmatrixkoeffizienten von cdma-systemen
DE20309952U Expired - Lifetime DE20309952U1 (de) 2002-06-28 2003-06-27 Benutzergerät, das einen CDMA-Systemübertragungsmatrixkoeffizienten berechnet
DE20309951U Expired - Lifetime DE20309951U1 (de) 2002-06-28 2003-06-27 Basisstation, die einen CDMA-Systemübertragungsmatrixkoeffizienten berechnet

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE20309952U Expired - Lifetime DE20309952U1 (de) 2002-06-28 2003-06-27 Benutzergerät, das einen CDMA-Systemübertragungsmatrixkoeffizienten berechnet
DE20309951U Expired - Lifetime DE20309951U1 (de) 2002-06-28 2003-06-27 Basisstation, die einen CDMA-Systemübertragungsmatrixkoeffizienten berechnet

Country Status (16)

Country Link
US (2) US7203181B2 (de)
EP (1) EP1529358B1 (de)
JP (2) JP2005532014A (de)
KR (8) KR20050094488A (de)
CN (3) CN1666439B (de)
AT (1) ATE335319T1 (de)
AU (1) AU2003280400A1 (de)
CA (1) CA2490810A1 (de)
DE (3) DE60307287T2 (de)
ES (1) ES2264767T3 (de)
GB (1) GB0315283D0 (de)
HK (2) HK1061181A2 (de)
MX (1) MXPA04012963A (de)
NO (1) NO20050467L (de)
TW (5) TWI265741B (de)
WO (1) WO2004004159A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6792032B2 (en) * 2001-12-28 2004-09-14 Interdigital Technology Corporation CDMA system transmission matrix coefficient calculation
US8340216B2 (en) 2005-03-18 2012-12-25 Qualcomm Incorporated Space-time scrambling for cellular systems
KR100769955B1 (ko) 2005-12-10 2007-10-25 한국전자통신연구원 무선 통신 시스템 수신단의 검파 장치
US11814268B2 (en) * 2021-08-13 2023-11-14 Toyota Motor Engineering & Manufacturing North America, Inc. Component lifts having support assemblies
US20230093484A1 (en) * 2021-09-23 2023-03-23 Apple Inc. Systems and methods for de-correlating coded signals in dual port transmissions
CN115809041B (zh) * 2022-12-30 2023-04-25 中科南京智能技术研究院 一种可配置的补码运算装置及计算设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793759A (en) 1995-08-25 1998-08-11 Terayon Corporation Apparatus and method for digital data transmission over video cable using orthogonal cyclic codes
JP2991170B2 (ja) 1997-10-01 1999-12-20 日本電気株式会社 Ｃｄｍａ受信装置および方法
US6301293B1 (en) 1998-08-04 2001-10-09 Agere Systems Guardian Corp. Detectors for CDMA systems
US6515978B1 (en) 1999-04-19 2003-02-04 Lucent Technologies Inc. Methods and apparatus for downlink diversity in CDMA using Walsh codes
FR2793363B1 (fr) 1999-05-04 2001-07-06 France Telecom Procede de detection conjointe d'un ensemble de codes cdma
US6633614B1 (en) 1999-09-15 2003-10-14 Telcordia Technologies, Inc. Multicarrier personal access communication system
AU2990700A (en) 1999-10-19 2001-04-30 Interdigital Technology Corporation Receiver for multiuser detection of cdma signals
US6324209B1 (en) * 2000-02-28 2001-11-27 Golden Bridge Technology Inc. Multi-channel spread spectrum system
FR2813727B1 (fr) 2000-09-01 2002-11-29 Thomson Csf Procede et dispositif pour ordonner des signaux provenant de multi-utilisateurs
US7020175B2 (en) 2000-09-21 2006-03-28 Motorola, Inc. MMSE reception of DS-CDMA with transmit diversity
TW540200B (en) 2000-11-09 2003-07-01 Interdigital Tech Corp Single user detection
US6466611B1 (en) * 2001-02-07 2002-10-15 Motorola, Inc. Multi-user detection using a finite-impulse-response matrix filter
JP3947770B2 (ja) * 2001-03-12 2007-07-25 直樹 末広 多種拡散系列を用いたｃｄｍａ通信方式
KR100383594B1 (ko) * 2001-06-01 2003-05-14 삼성전자주식회사 통신시스템의 하방향링크 공동검출 방법 및 장치
US6792032B2 (en) 2001-12-28 2004-09-14 Interdigital Technology Corporation CDMA system transmission matrix coefficient calculation
CN1170374C (zh) * 2002-06-20 2004-10-06 大唐移动通信设备有限公司 一种适用于频率选择性衰落信道的空时编译码方法

Also Published As

Publication number Publication date
MXPA04012963A (es) 2005-05-16
EP1529358B1 (de) 2006-08-02
KR100597062B1 (ko) 2006-07-07
CN1666439B (zh) 2010-04-14
KR200329284Y1 (ko) 2003-10-08
KR20040087987A (ko) 2004-10-15
TWI313111B (en) 2009-08-01
TWI265741B (en) 2006-11-01
CN2648710Y (zh) 2004-10-13
US7203181B2 (en) 2007-04-10
TW200718045A (en) 2007-05-01
US7693113B2 (en) 2010-04-06
EP1529358A4 (de) 2005-09-14
ES2264767T3 (es) 2007-01-16
CN2728108Y (zh) 2005-09-21
WO2004004159A1 (en) 2004-01-08
TWM240734U (en) 2004-08-11
GB0315283D0 (en) 2003-08-06
AU2003280400A1 (en) 2004-01-19
TW200509564A (en) 2005-03-01
DE20309952U1 (de) 2003-11-13
JP2008079332A (ja) 2008-04-03
TW200405738A (en) 2004-04-01
KR100685244B1 (ko) 2007-02-27
KR20050094488A (ko) 2005-09-27
US20040001465A1 (en) 2004-01-01
TWI324860B (en) 2010-05-11
JP2005532014A (ja) 2005-10-20
NO20050467L (no) 2005-03-21
EP1529358A1 (de) 2005-05-11
KR100625756B1 (ko) 2006-09-21
DE60307287T2 (de) 2007-10-18
KR20050090352A (ko) 2005-09-13
HK1061181A2 (en) 2004-08-27
CA2490810A1 (en) 2004-01-08
HK1062118A2 (en) 2004-09-17
ATE335319T1 (de) 2006-08-15
KR200328245Y1 (ko) 2003-09-26
DE20309951U1 (de) 2003-09-18
TW588911U (en) 2004-05-21
US20070189238A1 (en) 2007-08-16
CN1666439A (zh) 2005-09-07
KR20040087999A (ko) 2004-10-15
KR20050090358A (ko) 2005-09-13
KR20050016919A (ko) 2005-02-21

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