CN1320780C - 在通信设备中提供用于后续操作的一部分信号的方法 - Google Patents

在通信设备中提供用于后续操作的一部分信号的方法 Download PDF

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Publication number
CN1320780C
CN1320780C CNB008066132A CN00806613A CN1320780C CN 1320780 C CN1320780 C CN 1320780C CN B008066132 A CNB008066132 A CN B008066132A CN 00806613 A CN00806613 A CN 00806613A CN 1320780 C CN1320780 C CN 1320780C
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CN
China
Prior art keywords
signal
bit
present
communication device
composite 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 - Fee Related
Application number
CNB008066132A
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English (en)
Chinese (zh)
Other versions
CN1349686A (zh
Inventor
L·阿尔达茨
D·J·希尔
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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
Priority claimed from US09/677,938 external-priority patent/US6754503B1/en
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN1349686A publication Critical patent/CN1349686A/zh
Application granted granted Critical
Publication of CN1320780C publication Critical patent/CN1320780C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
CNB008066132A 1999-12-22 2000-12-22 在通信设备中提供用于后续操作的一部分信号的方法 Expired - Fee Related CN1320780C (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US17170099P 1999-12-22 1999-12-22
US60/171700 1999-12-22
US09/677,938 US6754503B1 (en) 2000-10-02 2000-10-02 Method for adaptively selecting a soft symbol for a subsequent operation a communication device
US09/677938 2000-10-02
PCT/US2000/035051 WO2001047137A1 (en) 1999-12-22 2000-12-22 Method and apparatus for adaptively selecting a soft symbol

Publications (2)

Publication Number Publication Date
CN1349686A CN1349686A (zh) 2002-05-15
CN1320780C true CN1320780C (zh) 2007-06-06

Family

ID=26867332

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB008066132A Expired - Fee Related CN1320780C (zh) 1999-12-22 2000-12-22 在通信设备中提供用于后续操作的一部分信号的方法

Country Status (5)

Country Link
EP (1) EP1155511A1 (enExample)
JP (1) JP2003518809A (enExample)
KR (1) KR100782628B1 (enExample)
CN (1) CN1320780C (enExample)
WO (1) WO2001047137A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10238300B4 (de) * 2002-08-21 2006-08-10 Infineon Technologies Ag Verfahren und Architektur zur Übergabe von Symbolen einer Rake-Finger-Struktur an aufgabenspezifische Hardware-Module
TWI330957B (en) * 2002-11-20 2010-09-21 Interdigital Tech Corp Wireless transmit receive unit and method for implementing forward error detection decoding of received wireless commuinication signals
KR101050615B1 (ko) * 2004-01-05 2011-07-19 삼성전자주식회사 연판정 복호기를 위한 입력범위 조절 장치 및 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5446763A (en) * 1991-07-02 1995-08-29 Motorola, Inc. Apparatus and method for converting soft symbols into soft bits
WO1995026601A2 (en) * 1994-03-28 1995-10-05 Ericsson, Inc. Diversity pi/4-dqpsk demodulation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100264861B1 (ko) * 1992-11-24 2000-09-01 윤종용 디지탈 신호의 강도 표시 방법
US5572552A (en) * 1994-01-27 1996-11-05 Ericsson Ge Mobile Communications Inc. Method and system for demodulation of downlink CDMA signals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5446763A (en) * 1991-07-02 1995-08-29 Motorola, Inc. Apparatus and method for converting soft symbols into soft bits
WO1995026601A2 (en) * 1994-03-28 1995-10-05 Ericsson, Inc. Diversity pi/4-dqpsk demodulation

Also Published As

Publication number Publication date
JP2003518809A (ja) 2003-06-10
EP1155511A1 (en) 2001-11-21
KR100782628B1 (ko) 2007-12-06
WO2001047137A1 (en) 2001-06-28
KR20010112276A (ko) 2001-12-20
CN1349686A (zh) 2002-05-15
WO2001047137A8 (en) 2001-09-27

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070606

Termination date: 20101222