CN1419749A - 用于检测基带信号中的符号的数字接收机和方法 - Google Patents

用于检测基带信号中的符号的数字接收机和方法 Download PDF

Info

Publication number
CN1419749A
CN1419749A CN 01802489 CN01802489A CN1419749A CN 1419749 A CN1419749 A CN 1419749A CN 01802489 CN01802489 CN 01802489 CN 01802489 A CN01802489 A CN 01802489A CN 1419749 A CN1419749 A CN 1419749A
Authority
CN
China
Prior art keywords
receiver
symbol
signal
baseband signal
antenna
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.)
Pending
Application number
CN 01802489
Other languages
English (en)
Chinese (zh)
Inventor
J·霍恩格
J·鮑
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Priority claimed from US09/643,278 external-priority patent/US6839379B1/en
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN1419749A publication Critical patent/CN1419749A/zh
Pending 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
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71075—Parallel interference cancellation
    • 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
    • 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
    • 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
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • 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
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0891—Space-time diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
CN 01802489 2000-08-22 2001-08-20 用于检测基带信号中的符号的数字接收机和方法 Pending CN1419749A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/643,278 US6839379B1 (en) 2000-01-19 2000-08-22 Adaptive DS-CDMA multi-user receiver with diversity combining for interference cancellation
US09/643,278 2000-08-22

Publications (1)

Publication Number Publication Date
CN1419749A true CN1419749A (zh) 2003-05-21

Family

ID=24580112

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 01802489 Pending CN1419749A (zh) 2000-08-22 2001-08-20 用于检测基带信号中的符号的数字接收机和方法

Country Status (4)

Country Link
EP (1) EP1230743A2 (de)
JP (1) JP2004507925A (de)
CN (1) CN1419749A (de)
WO (1) WO2002017508A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109511101A (zh) * 2013-02-13 2019-03-22 高通股份有限公司 针对机器类型通信(mtc)覆盖增强的单频网络(sfn)操作

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7386057B2 (en) * 2003-02-20 2008-06-10 Nec Corporation Iterative soft interference cancellation and filtering for spectrally efficient high-speed transmission in MIMO systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3165447B2 (ja) * 1995-11-29 2001-05-14 株式会社エヌ・ティ・ティ・ドコモ ダイバーシチ受信装置および制御方法
FI106897B (fi) * 1998-09-14 2001-04-30 Nokia Networks Oy RAKE-vastaanotin
US6608858B1 (en) * 2000-01-26 2003-08-19 Qualcomm Incorporated Multipath doppler adjusted frequency tracking loop

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109511101A (zh) * 2013-02-13 2019-03-22 高通股份有限公司 针对机器类型通信(mtc)覆盖增强的单频网络(sfn)操作

Also Published As

Publication number Publication date
WO2002017508A3 (en) 2002-05-30
EP1230743A2 (de) 2002-08-14
JP2004507925A (ja) 2004-03-11
WO2002017508A2 (en) 2002-02-28

Similar Documents

Publication Publication Date Title
US6839379B1 (en) Adaptive DS-CDMA multi-user receiver with diversity combining for interference cancellation
US5572552A (en) Method and system for demodulation of downlink CDMA signals
US5754583A (en) Communication device and method for determining finger lock status in a radio receiver
KR100887405B1 (ko) 통신 장치 및 방법과 저장 매체
KR100243720B1 (ko) 확산 스펙트럼 통신 시스템에서의 복조 및 전력 제어 비트 검출 방법 및 장치
CA2267924C (en) Multi-user receiving apparatus and cdma communication system
JP3786422B2 (ja) 符号化通信信号を識別する方法および装置
CN101036311B (zh) 采用导频信号以及使用自适应滤波器的cdma无线系统
GB2330037A (en) DS-CDMA mobile receiver with diversity
KR19990036012A (ko) 적응 역확산기
CN1185702A (zh) 功率控制和业务信道解码的分时锁定指示指令电路和方法
CN1203699C (zh) 无线电系统的接收机内的干扰消除
KR100302942B1 (ko) 시디엠에이 수신 장치 및 방법
US7016439B2 (en) Method and arrangement for interference cancellation
US6771986B1 (en) Adaptive array antenna and interference canceler in a mobile communications system
CN1599985A (zh) 无线通信系统中跟踪信号的方法和装置
CN1711708A (zh) 根据信号与干扰及噪声比耙式合并的方法和设备
EP0862817A2 (de) Verfahren zum steuern eines empfängers, und empfänger
CN1419749A (zh) 用于检测基带信号中的符号的数字接收机和方法
CN101069376A (zh) 干扰定性及消除
US6690713B1 (en) Tracking loop for a code division multiple access (CDMA) system
KR100240103B1 (ko) 이동통신 시스템의 레이크 수신기 및 그에 따른 탭 딜레이 조절 방법
US7756191B2 (en) Deconvolution searcher for wireless communication system
Pajukoski et al. On interference suppression in DS-CDMA systems
CN1605162A (zh) 数据传输方法和接收机

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication