HK1035463A1 - A base band digital signal processing method based on smart antenna and interference cancellation - Google Patents

A base band digital signal processing method based on smart antenna and interference cancellation

Info

Publication number
HK1035463A1
HK1035463A1 HK01105236A HK01105236A HK1035463A1 HK 1035463 A1 HK1035463 A1 HK 1035463A1 HK 01105236 A HK01105236 A HK 01105236A HK 01105236 A HK01105236 A HK 01105236A HK 1035463 A1 HK1035463 A1 HK 1035463A1
Authority
HK
Hong Kong
Prior art keywords
signal
smart antenna
digital signal
processing method
method based
Prior art date
Application number
HK01105236A
Other languages
English (en)
Inventor
Feng Li
Original Assignee
China Academy Of Telecomm Tech
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 China Academy Of Telecomm Tech filed Critical China Academy Of Telecomm Tech
Publication of HK1035463A1 publication Critical patent/HK1035463A1/xx

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Transceivers (AREA)
  • Lock And Its Accessories (AREA)
HK01105236A 1999-08-10 2001-07-27 A base band digital signal processing method based on smart antenna and interference cancellation HK1035463A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN99111349A CN1118200C (zh) 1999-08-10 1999-08-10 基于智能天线和干扰抵销的基带处理方法

Publications (1)

Publication Number Publication Date
HK1035463A1 true HK1035463A1 (en) 2001-11-23

Family

ID=5275032

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01105236A HK1035463A1 (en) 1999-08-10 2001-07-27 A base band digital signal processing method based on smart antenna and interference cancellation

Country Status (14)

Country Link
US (1) US7130365B2 (ja)
EP (1) EP1209761B1 (ja)
JP (1) JP4563635B2 (ja)
KR (1) KR100591979B1 (ja)
CN (1) CN1118200C (ja)
AT (1) ATE403954T1 (ja)
AU (1) AU776615B2 (ja)
BR (1) BRPI0013123B1 (ja)
CA (1) CA2381383C (ja)
DE (1) DE60039769D1 (ja)
HK (1) HK1035463A1 (ja)
MX (1) MXPA02001462A (ja)
RU (1) RU2265929C2 (ja)
WO (1) WO2001011723A1 (ja)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7327800B2 (en) 2002-05-24 2008-02-05 Vecima Networks Inc. System and method for data detection in wireless communication systems
TWI335735B (en) * 2002-07-19 2011-01-01 Interdigital Tech Corp Groupwise successive interference cancellation for block transmission with reception diversity
CN101471139A (zh) * 2002-11-25 2009-07-01 张国飙 三维存储器之设计
CN100576772C (zh) * 2002-12-27 2009-12-30 Nxp股份有限公司 具有智能天线的移动终端及其方法
US7327795B2 (en) 2003-03-31 2008-02-05 Vecima Networks Inc. System and method for wireless communication systems
KR101050569B1 (ko) 2004-01-13 2011-07-19 삼성전자주식회사 스마트 안테나를 이용한 이동통신 시스템에서 순방향 빔폭 조절 방법 및 장치
US7430440B2 (en) * 2004-02-06 2008-09-30 Interdigital Technology Corporation Method and apparatus for reducing transient impacts of beam switching in a switched beam antenna system
US7158814B2 (en) * 2004-06-10 2007-01-02 Interdigital Technology Corporation Method and system for utilizing smart antennas establishing a backhaul network
US8995921B2 (en) * 2004-09-10 2015-03-31 Interdigital Technology Corporation Measurement support for a smart antenna in a wireless communication system
CN100382633C (zh) * 2004-11-30 2008-04-16 中兴通讯股份有限公司 一种基于软件无线电的智能天线实现方法
EP2204918A1 (en) * 2005-01-24 2010-07-07 NTT DoCoMo, Inc. Mobile communication terminal and method for controlling activation of multi-path interference removing apparatus
CN101036402B (zh) * 2005-01-31 2010-11-10 中兴通讯股份有限公司 基于双倍采样的基带处理方法
US7512199B2 (en) * 2005-03-01 2009-03-31 Broadcom Corporation Channel estimation method operable to cancel a dominant disturber signal from a received signal
US8611305B2 (en) 2005-08-22 2013-12-17 Qualcomm Incorporated Interference cancellation for wireless communications
US8594252B2 (en) * 2005-08-22 2013-11-26 Qualcomm Incorporated Interference cancellation for wireless communications
US9071344B2 (en) * 2005-08-22 2015-06-30 Qualcomm Incorporated Reverse link interference cancellation
US8743909B2 (en) * 2008-02-20 2014-06-03 Qualcomm Incorporated Frame termination
US8630602B2 (en) * 2005-08-22 2014-01-14 Qualcomm Incorporated Pilot interference cancellation
US8385388B2 (en) * 2005-12-06 2013-02-26 Qualcomm Incorporated Method and system for signal reconstruction from spatially and temporally correlated received samples
CN101072059B (zh) * 2006-05-08 2010-12-08 中兴通讯股份有限公司 一种平滑融合发射的智能天线与空间分集发射方法
CN101072066B (zh) * 2006-05-08 2011-05-11 中兴通讯股份有限公司 一种码分多址通信系统的智能天线实现方法
KR100824581B1 (ko) * 2006-10-31 2008-04-23 삼성전자주식회사 다중 입출력 시스템에서 수신신호 복호 방법 및 장치
CN101502006B (zh) * 2007-02-14 2012-06-27 中兴通讯股份有限公司 一种多用户干扰抵消的rake接收机装置及其工作方法
US9408165B2 (en) 2008-06-09 2016-08-02 Qualcomm Incorporated Increasing capacity in wireless communications
US9277487B2 (en) 2008-08-01 2016-03-01 Qualcomm Incorporated Cell detection with interference cancellation
US9237515B2 (en) 2008-08-01 2016-01-12 Qualcomm Incorporated Successive detection and cancellation for cell pilot detection
ES2353481B1 (es) * 2009-02-05 2012-01-13 Vodafone España, S.A.U Procedimiento de gestión de recursos de banda base en redes de comunicaciones móviles que implementan técnicas de cancelación de interferencia.
US9160577B2 (en) 2009-04-30 2015-10-13 Qualcomm Incorporated Hybrid SAIC receiver
US8787509B2 (en) 2009-06-04 2014-07-22 Qualcomm Incorporated Iterative interference cancellation receiver
US8831149B2 (en) 2009-09-03 2014-09-09 Qualcomm Incorporated Symbol estimation methods and apparatuses
US9509452B2 (en) 2009-11-27 2016-11-29 Qualcomm Incorporated Increasing capacity in wireless communications
CN102668628B (zh) 2009-11-27 2015-02-11 高通股份有限公司 增加无线通信中的容量的方法和装置
CN102340327B (zh) * 2011-09-23 2016-04-13 中兴通讯股份有限公司 干扰消除方法及装置
US8938038B2 (en) * 2012-02-02 2015-01-20 Telefonaktiebolaget L M Ericsson (Publ) Extending the set of addressable interferers for interference mitigation
US9585077B2 (en) * 2012-05-17 2017-02-28 The Hong Kong University Of Science And Technology Systems and methods facilitating joint channel and routing assignment for wireless mesh networks
CN104378172B (zh) 2013-08-14 2019-07-26 中兴通讯股份有限公司 数据信道干扰抵消的方法和系统
CN103501187B (zh) * 2013-10-10 2015-06-03 中国人民解放军理工大学 一种基于干扰抵消的短波多径信号同步方法
US9966983B2 (en) * 2014-08-15 2018-05-08 Huawei Technologies Co., Ltd. Interference cancellation in MIMO same channel full-duplex transceivers
CN105099643B (zh) * 2015-08-18 2019-03-01 北京科技大学 一种全双工无线通信的方法、天线装置及系统
CN105743555B (zh) * 2016-03-25 2018-08-14 四川大学 一种分程式分布天线发射波束优化形成方法
US9860848B2 (en) 2016-05-31 2018-01-02 Apple Inc. Baseband power estimation and feedback mechanism
CA3158212A1 (en) * 2019-11-12 2021-05-20 Gregg S. NARDOZZA Transmitter signal cancellation in phased array transceivers
CN113691990A (zh) * 2021-07-16 2021-11-23 德清阿尔法创新研究院 一种基于信噪比冗余和干扰消除技术的异构网络智能共存方法
CN116319187B (zh) * 2023-02-20 2023-10-17 中国人民解放军军事科学院系统工程研究院 一种用于卫星物联网系统的数据处理方法及装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69431584T2 (de) * 1993-08-12 2003-03-06 Nortel Networks Ltd Antenneneinrichtung für Basisstation
ZA95797B (en) * 1994-02-14 1996-06-20 Qualcomm Inc Dynamic sectorization in a spread spectrum communication system
US5621752A (en) * 1994-06-23 1997-04-15 Qualcomm Incorporated Adaptive sectorization in a spread spectrum communication system
DE19639414C2 (de) * 1996-09-25 1998-10-01 Siemens Ag Verfahren zur Parametrisierung einer Empfangsstation mit adaptiven Antenneneinrichtungen und adaptives Filter für zeitveränderliche Kanäle
JPH10190495A (ja) * 1996-12-20 1998-07-21 Fujitsu Ltd 干渉キャンセラ
CN1053313C (zh) * 1997-04-21 2000-06-07 北京信威通信技术有限公司 具有智能天线的时分双工同步码分多址无线通信系统及其通信方法
KR100239177B1 (ko) * 1997-08-30 2000-01-15 윤종용 씨디엠에이 이동통신시스템에서 파일럿 신호를 이용한 스마트안테나 수신장치 및 방법
US6314147B1 (en) * 1997-11-04 2001-11-06 The Board Of Trustees Of The Leland Stanford Junior University Two-stage CCI/ISI reduction with space-time processing in TDMA cellular networks
JP2991179B2 (ja) * 1998-01-08 1999-12-20 日本電気株式会社 Ｃｄｍａマルチユーザ受信装置
US5982327A (en) * 1998-01-12 1999-11-09 Motorola, Inc. Adaptive array method, device, base station and subscriber unit
EP0964530A1 (en) * 1998-06-05 1999-12-15 Siemens Aktiengesellschaft Radio communications receiver and interference cancellation method
EP0975100A1 (en) * 1998-07-23 2000-01-26 Siemens Aktiengesellschaft Receiver and method of recovering data from radio signals
US6188718B1 (en) * 1998-08-21 2001-02-13 Lucent Technologies Inc. Methods and apparatus for reducing cochannel interference in a mixed-rate communication system
JP2000138605A (ja) * 1998-10-30 2000-05-16 Nec Corp マルチユーザ受信装置
JP2991236B1 (ja) * 1999-01-21 1999-12-20 株式会社ワイ・アール・ピー移動通信基盤技術研究所 直接拡散受信デ―タの誤り推定装置および直接拡散受信装置
JP3641961B2 (ja) * 1999-02-01 2005-04-27 株式会社日立製作所 アダプティブアレイアンテナを使用した無線通信装置
US6141393A (en) * 1999-03-03 2000-10-31 Motorola, Inc. Method and device for channel estimation, equalization, and interference suppression
US6351499B1 (en) * 1999-12-15 2002-02-26 Iospan Wireless, Inc. Method and wireless systems using multiple antennas and adaptive control for maximizing a communication parameter

Also Published As

Publication number Publication date
JP4563635B2 (ja) 2010-10-13
ATE403954T1 (de) 2008-08-15
AU5387200A (en) 2001-03-05
EP1209761B1 (en) 2008-08-06
KR100591979B1 (ko) 2006-06-20
US20020111143A1 (en) 2002-08-15
CA2381383C (en) 2008-06-03
AU776615B2 (en) 2004-09-16
CN1118200C (zh) 2003-08-13
CA2381383A1 (en) 2001-02-15
CN1283936A (zh) 2001-02-14
MXPA02001462A (es) 2003-07-21
JP2003506994A (ja) 2003-02-18
DE60039769D1 (de) 2008-09-18
BR0013123A (pt) 2002-04-30
KR20020019961A (ko) 2002-03-13
RU2265929C2 (ru) 2005-12-10
BRPI0013123B1 (pt) 2015-10-27
US7130365B2 (en) 2006-10-31
EP1209761A1 (en) 2002-05-29
WO2001011723A1 (fr) 2001-02-15
EP1209761A4 (en) 2003-03-19

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Effective date: 20190809