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TW588911U - Base station calculating CDMA system transmission matrix coefficient - Google Patents

Base station calculating CDMA system transmission matrix coefficient

Info

Publication number
TW588911U
TW588911U TW092211535U TW92211535U TW588911U TW 588911 U TW588911 U TW 588911U TW 092211535 U TW092211535 U TW 092211535U TW 92211535 U TW92211535 U TW 92211535U TW 588911 U TW588911 U TW 588911U
Authority
TW
Taiwan
Prior art keywords
channel
real
base station
cdma system
system transmission
Prior art date
Application number
TW092211535U
Other languages
English (en)
Inventor
Chayil S Timmerman
Ryan Samuel Buchert
Original Assignee
Interdigital Tech 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 Tech Corp filed Critical Interdigital Tech Corp
Publication of TW588911U publication Critical patent/TW588911U/zh

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)
  • Radio Transmission System (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
TW092211535U 2002-06-28 2003-06-24 Base station calculating CDMA system transmission matrix coefficient TW588911U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39220202P 2002-06-28 2002-06-28
US10/264,192 US7203181B2 (en) 2002-06-28 2002-10-03 CDMA system transmission matrix coefficient calculation

Publications (1)

Publication Number Publication Date
TW588911U true TW588911U (en) 2004-05-21

Family

ID=27737165

Family Applications (5)

Application Number Title Priority Date Filing Date
TW092117188A TWI265741B (en) 2002-06-28 2003-06-24 CDMA system transmission matrix coefficient calculation
TW092211535U TW588911U (en) 2002-06-28 2003-06-24 Base station calculating CDMA system transmission matrix coefficient
TW093105014A TWI324860B (en) 2002-06-28 2003-06-24 Cdma system transmission matrix coefficient buchert
TW092211534U TWM240734U (en) 2002-06-28 2003-06-24 User equipment calculating CDMA system transmission matrix coefficient
TW095123033A TWI313111B (en) 2002-06-28 2003-06-24 Cdma system transmission matrix coefficient calculation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW092117188A TWI265741B (en) 2002-06-28 2003-06-24 CDMA system transmission matrix coefficient calculation

Family Applications After (3)

Application Number Title Priority Date Filing Date
TW093105014A TWI324860B (en) 2002-06-28 2003-06-24 Cdma system transmission matrix coefficient buchert
TW092211534U TWM240734U (en) 2002-06-28 2003-06-24 User equipment calculating CDMA system transmission matrix coefficient
TW095123033A TWI313111B (en) 2002-06-28 2003-06-24 Cdma system transmission matrix coefficient calculation

Country Status (16)

Country Link
US (2) US7203181B2 (zh)
EP (1) EP1529358B1 (zh)
JP (2) JP2005532014A (zh)
KR (8) KR100625756B1 (zh)
CN (3) CN1666439B (zh)
AT (1) ATE335319T1 (zh)
AU (1) AU2003280400A1 (zh)
CA (1) CA2490810A1 (zh)
DE (3) DE60307287T2 (zh)
ES (1) ES2264767T3 (zh)
GB (1) GB0315283D0 (zh)
HK (2) HK1062118A2 (zh)
MX (1) MXPA04012963A (zh)
NO (1) NO20050467L (zh)
TW (5) TWI265741B (zh)
WO (1) WO2004004159A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8340216B2 (en) 2005-03-18 2012-12-25 Qualcomm Incorporated Space-time scrambling for cellular systems

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
KR100769955B1 (ko) 2005-12-10 2007-10-25 한국전자통신연구원 무선 통신 시스템 수신단의 검파 장치
US10489154B2 (en) * 2017-11-28 2019-11-26 Intel Corporation Apparatus and method for complex multiply and accumulate
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
US6449246B1 (en) * 1999-09-15 2002-09-10 Telcordia Technologies, Inc. Multicarrier personal access communication system
MXPA02003903A (es) 1999-10-19 2002-09-30 Interdigital Tech Corp Receptor para deteccion de usuarios multiples de senales cdma.
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8340216B2 (en) 2005-03-18 2012-12-25 Qualcomm Incorporated Space-time scrambling for cellular systems

Also Published As

Publication number Publication date
JP2005532014A (ja) 2005-10-20
KR20050090358A (ko) 2005-09-13
KR20040087987A (ko) 2004-10-15
EP1529358A1 (en) 2005-05-11
US20070189238A1 (en) 2007-08-16
KR100597062B1 (ko) 2006-07-07
DE60307287D1 (de) 2006-09-14
KR100625756B1 (ko) 2006-09-21
HK1061181A2 (zh) 2004-08-27
KR200328245Y1 (ko) 2003-09-26
ES2264767T3 (es) 2007-01-16
DE20309952U1 (de) 2003-11-13
TWM240734U (en) 2004-08-11
KR20050016919A (ko) 2005-02-21
NO20050467L (no) 2005-03-21
JP2008079332A (ja) 2008-04-03
CA2490810A1 (en) 2004-01-08
DE20309951U1 (de) 2003-09-18
CN2728108Y (zh) 2005-09-21
TW200509564A (en) 2005-03-01
US7693113B2 (en) 2010-04-06
WO2004004159A1 (en) 2004-01-08
US7203181B2 (en) 2007-04-10
HK1062118A2 (zh) 2004-09-17
KR20050094488A (ko) 2005-09-27
TW200718045A (en) 2007-05-01
EP1529358B1 (en) 2006-08-02
TWI324860B (en) 2010-05-11
CN1666439A (zh) 2005-09-07
TWI313111B (en) 2009-08-01
CN1666439B (zh) 2010-04-14
TW200405738A (en) 2004-04-01
KR200329284Y1 (ko) 2003-10-08
AU2003280400A1 (en) 2004-01-19
CN2648710Y (zh) 2004-10-13
KR20050090352A (ko) 2005-09-13
TWI265741B (en) 2006-11-01
GB0315283D0 (en) 2003-08-06
KR20040087999A (ko) 2004-10-15
ATE335319T1 (de) 2006-08-15
DE60307287T2 (de) 2007-10-18
EP1529358A4 (en) 2005-09-14
KR100685244B1 (ko) 2007-02-27
US20040001465A1 (en) 2004-01-01
MXPA04012963A (es) 2005-05-16

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Legal Events

Date Code Title Description
MM4K Annulment or lapse of a utility model due to non-payment of fees