CA2255845A1 - Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radiocommunications system - Google Patents

Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radiocommunications system

Info

Publication number
CA2255845A1
CA2255845A1 CA002255845A CA2255845A CA2255845A1 CA 2255845 A1 CA2255845 A1 CA 2255845A1 CA 002255845 A CA002255845 A CA 002255845A CA 2255845 A CA2255845 A CA 2255845A CA 2255845 A1 CA2255845 A1 CA 2255845A1
Authority
CA
Canada
Prior art keywords
performance
techniques
uplink
improved
interference rejection
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.)
Granted
Application number
CA002255845A
Other languages
French (fr)
Other versions
CA2255845C (en
Inventor
Ulf Forssen
Thomas Ostman
Gregory E. Bottomley
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2255845A1 publication Critical patent/CA2255845A1/en
Application granted granted Critical
Publication of CA2255845C publication Critical patent/CA2255845C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • 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
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • 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
    • H04B7/10—Polarisation diversity; Directional diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03331—Arrangements for the joint estimation of multiple sequences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

Abstract

Recently, interference rejection combining techniques have been proposed which can increase significantly the performance of the uplink in C/I limited environments.
Another interesting property of the IRC techniques is that their C/I performance does not degrade as the correlation between the received signals increases. This feature of IRC
techniques is exploited in the present invention to allow for a reduced spacing between the antennas. According to another aspect of the present invention, the performance of the downlink is improved using beamforming techniques to "steer"
base station transmissions toward a desired mobile station.
In this way, the performance of the downlink is improved using beamforming techniques to a degree similar to that at which the uplink has been improved using IRC techniques.
This allows the system designer to more fully exploit the variations in system design associated with improving the uplink performance.
CA002255845A 1996-05-31 1997-05-27 Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radiocommunications system Expired - Lifetime CA2255845C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/655,930 1996-05-31
US08/655,930 US6173014B1 (en) 1994-08-02 1996-05-31 Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radio communications system
PCT/SE1997/000910 WO1997045968A1 (en) 1996-05-31 1997-05-27 Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radiocommunications system

Publications (2)

Publication Number Publication Date
CA2255845A1 true CA2255845A1 (en) 1997-12-04
CA2255845C CA2255845C (en) 2006-02-21

Family

ID=24630976

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002255845A Expired - Lifetime CA2255845C (en) 1996-05-31 1997-05-27 Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radiocommunications system

Country Status (12)

Country Link
US (1) US6173014B1 (en)
EP (1) EP0903018B1 (en)
JP (1) JP2000511370A (en)
CN (1) CN1104105C (en)
AR (1) AR007302A1 (en)
AU (1) AU727141B2 (en)
BR (1) BR9709488B1 (en)
CA (1) CA2255845C (en)
DE (1) DE69737932T2 (en)
MY (1) MY118073A (en)
TW (1) TW358268B (en)
WO (1) WO1997045968A1 (en)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI103618B1 (en) * 1997-07-04 1999-07-30 Nokia Telecommunications Oy Interpreting the received signal
US6345078B1 (en) * 1997-07-31 2002-02-05 Lucent Technologies Inc. Finger assignment system for a multiple finger receiver and method thereof
US6694154B1 (en) 1997-11-17 2004-02-17 Ericsson Inc. Method and apparatus for performing beam searching in a radio communication system
US6529138B2 (en) * 1997-12-12 2003-03-04 Canon Kabushiki Kaisha Remote-control-signal-receiving device
US6600447B1 (en) 1997-12-19 2003-07-29 Ericsson Inc. Apparatus and method for determining signal direction from an estimated signal medium response for a ray component of a radio signal
JPH11251959A (en) * 1998-03-05 1999-09-17 Fujitsu Ltd Interference canceler device and radio communication equipment
EP0953850B1 (en) * 1998-04-03 2005-03-16 Lucent Technologies Inc. Direction determination in cellular mobile communications network
US6795424B1 (en) * 1998-06-30 2004-09-21 Tellabs Operations, Inc. Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems
US6377967B1 (en) * 1998-08-12 2002-04-23 Northrop Grumman Corporation Efficient digital integration technique filter
US6501747B1 (en) * 1998-08-20 2002-12-31 Metawave Communications Corporation Manifold assisted channel estimation and demodulation for CDMA systems in fast fading environments
FR2782882B1 (en) * 1998-08-26 2000-10-20 Sfr Sa METHOD FOR TESTING A RADIO COMMUNICATION NETWORK, CORRESPONDING DEVICE AND STATION
US6314305B1 (en) * 1998-12-10 2001-11-06 Lucent Technologies Inc. Transmitter/receiver for combined adaptive array processing and fixed beam switching
EP1054519A1 (en) * 1999-05-11 2000-11-22 Alcatel Diversity transmission in a mobile radio system
EP1079544A1 (en) * 1999-08-20 2001-02-28 Alcatel CDMA mobile radio system
JP3562420B2 (en) * 2000-02-10 2004-09-08 日本電気株式会社 Adaptive antenna device
FI20000476A0 (en) 2000-03-01 2000-03-01 Nokia Networks Oy A method for improving radio communication performance
KR100493068B1 (en) * 2000-03-08 2005-06-02 삼성전자주식회사 Method and apparatus for semi-blind transmit antenna array using feedback information in mobile communication system
US6711224B1 (en) * 2000-03-27 2004-03-23 Lucent Technologies Inc. Timing acquisition algorithm for an adaptive antenna array
US7010029B1 (en) * 2000-04-13 2006-03-07 At&T Corp. Equalization of transmit diversity space-time coded signals
KR20020037965A (en) * 2000-11-16 2002-05-23 오길록 System and method for downlink beamforming using uplink array response vector
KR100499472B1 (en) * 2000-12-06 2005-07-07 엘지전자 주식회사 Beamforming System using Adaptive Array in Forward Link
US6380910B1 (en) * 2001-01-10 2002-04-30 Lucent Technologies Inc. Wireless communications device having a compact antenna cluster
JP3973371B2 (en) * 2001-03-21 2007-09-12 三洋電機株式会社 Radio base system and directivity control method
FI20010779A (en) * 2001-04-12 2002-10-13 Nokia Corp Procedure for increasing data transfer rate as well as receiver, transmitter and terminal
US7499499B2 (en) * 2001-06-04 2009-03-03 Alcatel-Lucent Usa Inc. Method for multiple antenna transmission
FI20011217A (en) * 2001-06-08 2002-12-09 Nokia Corp Reception method, radio system and receiver
JP2003018058A (en) * 2001-06-29 2003-01-17 Sony Corp Transmitter, the method of the same and communication system
KR100428709B1 (en) * 2001-08-17 2004-04-27 한국전자통신연구원 Apparatus for Forward Beamforming using Feedback of Multipath Information and Method Thereof
EP1317080B1 (en) * 2001-12-03 2006-10-18 Alcatel An apparatus and method of transmitting signals between an adaptive antenna of a base station and a mobile user equipment in a telecommunication network
US7236548B2 (en) * 2001-12-13 2007-06-26 Koninklijke Philips Electronics N.V. Bit level diversity combining for COFDM system
CN1172549C (en) * 2002-03-27 2004-10-20 大唐移动通信设备有限公司 Method for transmitting high speed down stream packet switched data in intelligence antenna mobile communication system
US7672401B2 (en) * 2003-02-03 2010-03-02 Mcgill University System and method for data communication over multi-input, multi-output channels
US8804883B2 (en) * 2004-06-08 2014-08-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for reduced interference signal demodulation
US7796956B2 (en) * 2005-05-03 2010-09-14 Telefonaktiebolaget L M Ericsson (Publ) Receiver for a multi-antenna, multi-band radio
CN100431386C (en) * 2005-05-12 2008-11-05 上海原动力通信科技有限公司 Method for estimating arrival direction of common frequency multi-cell terminal
US7561644B2 (en) * 2005-09-29 2009-07-14 Intel Corporation Method, system and device for reducing co-channel interference
EP1788722A1 (en) * 2005-11-21 2007-05-23 Nortel Networks Limited Transmission method and related base station
JP4868835B2 (en) * 2005-11-28 2012-02-01 キヤノン株式会社 Communication path setting method, communication apparatus, and program
US20070230638A1 (en) * 2006-03-30 2007-10-04 Meir Griniasty Method and apparatus to efficiently configure multi-antenna equalizers
FI20065438A0 (en) * 2006-06-22 2006-06-22 Nokia Corp Disturbance Removal Unit and Disturbance Removal Procedure
US8022860B1 (en) 2006-07-24 2011-09-20 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Enchanced interference cancellation and telemetry reception in multipath environments with a single paraboic dish antenna using a focal plane array
US20080112517A1 (en) * 2006-11-06 2008-05-15 Nokia Corporation Apparatus, methods, and computer program products providing reduced interference in a multi-antenna system
KR100846446B1 (en) 2006-12-29 2008-07-16 세종대학교산학협력단 Apparatus for estimation of alternating projection searching and method thereof
CN101796863B (en) * 2007-07-06 2014-07-09 株式会社Ntt都科摩 Base station device in mobile communication system, and directivity controlling method
JPWO2011043298A1 (en) * 2009-10-05 2013-03-04 住友電気工業株式会社 Base station apparatus and interference suppression method
US8830910B2 (en) * 2010-12-15 2014-09-09 Sony Corporation Wireless terminals including smart antenna systems having multiple antennas
JP5389088B2 (en) * 2011-03-29 2014-01-15 株式会社東芝 Antenna device, wireless device
JP5451680B2 (en) 2011-04-25 2014-03-26 株式会社Ｎｔｔドコモ Mobile communication terminal
JP5432208B2 (en) 2011-04-25 2014-03-05 株式会社Ｎｔｔドコモ Mobile communication terminal
US8503587B2 (en) * 2011-05-23 2013-08-06 Harris Corporation Adaptive channel tracking using peak fade depth estimation over a slot
CN104025472B (en) * 2011-10-19 2017-09-26 爱立信(中国)通信有限公司 Radio receiver for poliarizing antenna system
JP5554306B2 (en) 2011-10-26 2014-07-23 株式会社Ｎｔｔドコモ Wireless communication system, wireless base station, mobile communication terminal, and communication control method
JP5685217B2 (en) 2012-04-17 2015-03-18 株式会社Ｎｔｔドコモ Wireless communication system, wireless base station, and mobile terminal
WO2013157331A1 (en) 2012-04-18 2013-10-24 株式会社エヌ・ティ・ティ・ドコモ Radio communication system, radio base station and communication control method
RU2530292C1 (en) * 2012-04-20 2014-10-10 Хуавэй Текнолоджиз Ко., Лтд. Antenna, basic station and processing method of directivity pattern
WO2014017155A1 (en) 2012-07-27 2014-01-30 株式会社エヌ・ティ・ティ・ドコモ Wireless communication system and wireless base station
US9684059B2 (en) * 2012-10-22 2017-06-20 Wifive.Co.,Ltd Device for estimating location and method for estimating location by using uplink access point
US10491282B2 (en) * 2012-12-17 2019-11-26 Ethertronics, Inc. Communication load balancing using distributed antenna beam steering techniques
CN105122671A (en) * 2013-01-25 2015-12-02 株式会社Ntt都科摩 Mobile communication terminal
JP6154830B2 (en) 2013-01-25 2017-06-28 株式会社Ｎｔｔドコモ Mobile communication terminal
WO2014122771A1 (en) * 2013-02-08 2014-08-14 パイオニア株式会社 Diversity reception apparatus, diversity reception method, reception program, and recording medium
US9548852B2 (en) * 2014-09-04 2017-01-17 Commscope Technologies Llc Antenna cross connect scheme for LTE
CN112952383B (en) * 2020-12-09 2023-03-31 中国人民解放军93204部队 Method for realizing multi-beam in pulse of phased array antenna

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4713817A (en) 1985-04-25 1987-12-15 Codex Corporation Multidimensional, convolutionally coded communication systems
US4644562A (en) 1985-08-28 1987-02-17 At&T Company Combined cross polarization interference cancellation and intersymbol interference equalization for terrestrial digital radio systems
CA1338153C (en) 1987-11-10 1996-03-12 Yoshihiro Nozue Interference canceller
SE463540B (en) 1988-09-19 1990-12-03 Ericsson Telefon Ab L M SEAT TO DIGITALIZE ANY RADIO SIGNALS IN A RADIO COMMUNICATION SYSTEM AND DEVICE TO EXERCISE THE SET
EP0381949A1 (en) 1989-02-01 1990-08-16 Siemens Aktiengesellschaft Diversity combiner
SE464902B (en) 1989-10-24 1991-06-24 Ericsson Telefon Ab L M PROCEDURE TO ADAPT A VITERBIAL ALGORITHM TO A CHANNEL WITH VARIOUS TRANSFER PROPERTIES AND A DEVICE IMPLEMENTING PROCEDURE
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5031193A (en) 1989-11-13 1991-07-09 Motorola, Inc. Method and apparatus for diversity reception of time-dispersed signals
SE465597B (en) 1990-02-16 1991-09-30 Ericsson Telefon Ab L M PROCEDURE TO REDUCE THE EFFECT OF BREATHING ON A WHITE RECEIVER WITH AT LEAST TWO ANTENNA
EP0543328B1 (en) 1991-11-18 1999-03-17 Nec Corporation Automatic equalizer capable of effectively cancelling intersymbol interference and cross polarization interference in co-channel dual polarization
US5515378A (en) 1991-12-12 1996-05-07 Arraycomm, Inc. Spatial division multiple access wireless communication systems
US5319677A (en) 1992-05-12 1994-06-07 Hughes Aircraft Company Diversity combiner with MLSE for digital cellular radio
AU5354294A (en) 1992-10-09 1994-05-09 E-Systems Incorporated Adaptive co-channel interference reduction system for cellular telephone central base stations
US5351274A (en) 1993-08-20 1994-09-27 General Electric Company Post detection selection combining diversity receivers for mobile and indoor radio channels
US5680419A (en) * 1994-08-02 1997-10-21 Ericsson Inc. Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems
US6081566A (en) * 1994-08-02 2000-06-27 Ericsson, Inc. Method and apparatus for interference rejection with different beams, polarizations, and phase references
US5481572A (en) 1994-08-02 1996-01-02 Ericsson Inc. Method of and apparatus for reducing the complexitiy of a diversity combining and sequence estimation receiver
US5787131A (en) * 1995-12-22 1998-07-28 Ericsson Inc. Method and apparatus for mitigation of self interference using array processing
US5796788A (en) * 1996-04-19 1998-08-18 Ericsson Inc. Method and apparatus for interference decorrelation in time and space
US5889827A (en) * 1996-12-12 1999-03-30 Ericsson Inc. Method and apparatus for digital symbol detection using medium response estimates
US5878093A (en) * 1996-12-16 1999-03-02 Ericsson Inc. Interference rejection combining with frequency correction
US6128355A (en) * 1997-05-21 2000-10-03 Telefonaktiebolget Lm Ericsson Selective diversity combining

Also Published As

Publication number Publication date
TW358268B (en) 1999-05-11
BR9709488B1 (en) 2009-01-13
MY118073A (en) 2004-08-30
EP0903018B1 (en) 2007-07-18
AU727141B2 (en) 2000-12-07
CA2255845C (en) 2006-02-21
BR9709488A (en) 1999-08-10
CN1104105C (en) 2003-03-26
US6173014B1 (en) 2001-01-09
AR007302A1 (en) 1999-10-27
AU3053597A (en) 1998-01-05
WO1997045968A1 (en) 1997-12-04
CN1220787A (en) 1999-06-23
DE69737932D1 (en) 2007-08-30
EP0903018A1 (en) 1999-03-24
JP2000511370A (en) 2000-08-29
DE69737932T2 (en) 2007-12-06

Similar Documents

Publication Publication Date Title
CA2255845A1 (en) Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radiocommunications system
US7046978B2 (en) Method and apparatus for transmit pre-correction in wireless communications
US5884192A (en) Diversity combining for antennas
US6650910B1 (en) Methods and apparatus in antenna diversity systems for estimation of direction of arrival
CA2267029A1 (en) Method of preventing interference of adjacent frequencies in a cellular system by selection between adjacent carrier frequency and non-adjacent carrier frequency
WO2002041643A3 (en) Hybrid sdma/cdma system having adaptive antenna
AU733583B2 (en) A method for selecting a signal, and a cellular radio system
EP0902551A3 (en) Soft handover system for a multiple sub-carrier communication system and method thereof
CA2239601A1 (en) Multi-beam antenna system for cellular radio base stations
CA2113734A1 (en) Diversity Transmission Strategy in Mobile/Indoor Cellular Radio
EP0926843A3 (en) Method and system for operating a cellular system having beamforming antennas
HK1019022A1 (en) Adaptive sectorization in a spread spectrum communication system
DE69330647T2 (en) GENTLE REACHING BETWEEN MEDIATIONS IN A CELLULAR COMMUNICATION SYSTEM
KR19980703368A (en) Wide antenna robe
HK1108772A1 (en) Receiving station with interference signal suppression
EP1040597A1 (en) A mobile station having plural antenna elements and interference suppression
CN100435492C (en) Device and method for realizing beam forming in CDMA system
CA2278532A1 (en) Cellular communication system with multiple same frequency broadcasts in a cell
CA2258376A1 (en) Cdma multiuser receiver featuring a combination of array antenna and multiuser cancelers
TW200503436A (en) Combined beamforming-diversity wireless fading channel demodulator using adapted sub-array group antennas, signal receiving system and method for mobile communications
CA2234923A1 (en) Cdma communication apparatus and cdma communication method
CA2412018C (en) Apparatus and method using smart antenna in fdd wireless communication system
CA2199922A1 (en) Communication system for multicasting delay-adjusted signals on same radio frequencies to adjoining cells
orn Ottersten Spatial division multiple access (SDMA) in wireless communications
EP1228583A2 (en) A method of transmission in a wireless communication system

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20170529