HK1061181A2 - User equipment calculating cdma system transmission matrix coefficient - Google Patents

User equipment calculating cdma system transmission matrix coefficient

Info

Publication number
HK1061181A2
HK1061181A2 HK03104668A HK03104668A HK1061181A2 HK 1061181 A2 HK1061181 A2 HK 1061181A2 HK 03104668 A HK03104668 A HK 03104668A HK 03104668 A HK03104668 A HK 03104668A HK 1061181 A2 HK1061181 A2 HK 1061181A2
Authority
HK
Hong Kong
Prior art keywords
channel
real
user equipment
cdma system
system transmission
Prior art date
Application number
HK03104668A
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 HK1061181A2 publication Critical patent/HK1061181A2/xx

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)
  • Radio Relay Systems (AREA)
  • Communication Control (AREA)
  • Error Detection And Correction (AREA)
  • Radio Transmission System (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
HK03104668A 2002-06-28 2003-06-28 User equipment calculating cdma system transmission matrix coefficient HK1061181A2 (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
HK1061181A2 true HK1061181A2 (en) 2004-08-27

Family

ID=27737165

Family Applications (2)

Application Number Title Priority Date Filing Date
HK03104668A HK1061181A2 (en) 2002-06-28 2003-06-28 User equipment calculating cdma system transmission matrix coefficient
HK03104635A HK1062118A2 (en) 2002-06-28 2003-06-28 Base station calculating cdma system transmission matrix coefficient

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK03104635A HK1062118A2 (en) 2002-06-28 2003-06-28 Base station calculating cdma system transmission matrix coefficient

Country Status (16)

Country Link
US (2) US7203181B2 (zh)
EP (1) EP1529358B1 (zh)
JP (2) JP2005532014A (zh)
KR (8) KR20050094488A (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) HK1061181A2 (zh)
MX (1) MXPA04012963A (zh)
NO (1) NO20050467L (zh)
TW (5) TW588911U (zh)
WO (1) WO2004004159A1 (zh)

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
WO2001029983A1 (en) 1999-10-19 2001-04-26 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
DE20309951U1 (de) 2003-09-18
KR200329284Y1 (ko) 2003-10-08
KR20050016919A (ko) 2005-02-21
TWM240734U (en) 2004-08-11
CA2490810A1 (en) 2004-01-08
EP1529358A1 (en) 2005-05-11
US20040001465A1 (en) 2004-01-01
EP1529358B1 (en) 2006-08-02
CN2728108Y (zh) 2005-09-21
ATE335319T1 (de) 2006-08-15
TWI313111B (en) 2009-08-01
KR100625756B1 (ko) 2006-09-21
KR20050094488A (ko) 2005-09-27
CN2648710Y (zh) 2004-10-13
CN1666439B (zh) 2010-04-14
DE20309952U1 (de) 2003-11-13
EP1529358A4 (en) 2005-09-14
KR100685244B1 (ko) 2007-02-27
CN1666439A (zh) 2005-09-07
WO2004004159A1 (en) 2004-01-08
KR200328245Y1 (ko) 2003-09-26
DE60307287T2 (de) 2007-10-18
KR100597062B1 (ko) 2006-07-07
KR20050090358A (ko) 2005-09-13
MXPA04012963A (es) 2005-05-16
TW200405738A (en) 2004-04-01
TW200718045A (en) 2007-05-01
US7203181B2 (en) 2007-04-10
JP2005532014A (ja) 2005-10-20
TWI324860B (en) 2010-05-11
GB0315283D0 (en) 2003-08-06
TWI265741B (en) 2006-11-01
AU2003280400A1 (en) 2004-01-19
TW200509564A (en) 2005-03-01
TW588911U (en) 2004-05-21
US20070189238A1 (en) 2007-08-16
NO20050467L (no) 2005-03-21
KR20040087999A (ko) 2004-10-15
ES2264767T3 (es) 2007-01-16
KR20050090352A (ko) 2005-09-13
HK1062118A2 (en) 2004-09-17
JP2008079332A (ja) 2008-04-03
DE60307287D1 (de) 2006-09-14
US7693113B2 (en) 2010-04-06
KR20040087987A (ko) 2004-10-15

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Legal Events

Date Code Title Description
PF Patent in force
PEU Short-term patents expired

Effective date: 20110627