DE60028677D1 - Funkbasisstation mit Gruppenantenne und Sendekalibrierung - Google Patents
Funkbasisstation mit Gruppenantenne und SendekalibrierungInfo
- Publication number
- DE60028677D1 DE60028677D1 DE60028677T DE60028677T DE60028677D1 DE 60028677 D1 DE60028677 D1 DE 60028677D1 DE 60028677 T DE60028677 T DE 60028677T DE 60028677 T DE60028677 T DE 60028677T DE 60028677 D1 DE60028677 D1 DE 60028677D1
- Authority
- DE
- Germany
- Prior art keywords
- base station
- radio base
- group antenna
- transmit calibration
- calibration
- 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 - Lifetime
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
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- 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
- H01Q3/267—Phased-array testing or checking devices
-
- 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
- H01Q3/30—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 varying the relative phase between the radiating elements of an array
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
- H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
-
- 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
- H04B7/0615—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 of weighted versions of same signal
- H04B7/0617—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 of weighted versions of same signal for beam forming
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26040799 | 1999-09-14 | ||
JP26040799A JP4303373B2 (ja) | 1999-09-14 | 1999-09-14 | 無線基地局装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60028677D1 true DE60028677D1 (de) | 2006-07-27 |
DE60028677T2 DE60028677T2 (de) | 2007-05-24 |
Family
ID=17347503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60028677T Expired - Lifetime DE60028677T2 (de) | 1999-09-14 | 2000-09-14 | Funkbasisstation mit Gruppenantenne und Sendekalibrierung |
Country Status (4)
Country | Link |
---|---|
US (3) | US6647276B1 (de) |
EP (1) | EP1085684B1 (de) |
JP (1) | JP4303373B2 (de) |
DE (1) | DE60028677T2 (de) |
Families Citing this family (104)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4303373B2 (ja) * | 1999-09-14 | 2009-07-29 | 株式会社日立コミュニケーションテクノロジー | 無線基地局装置 |
DE60045851D1 (de) * | 1999-12-15 | 2011-05-26 | Nippon Telegraph & Telephone | Adaptive Gruppenantenne-Sende-Empfangsvorrichtung |
JP4392109B2 (ja) * | 2000-05-12 | 2009-12-24 | パナソニック株式会社 | 到来方向推定装置 |
US6920192B1 (en) * | 2000-08-03 | 2005-07-19 | Lucent Technologies Inc. | Adaptive antenna array methods and apparatus for use in a multi-access wireless communication system |
US7031754B2 (en) * | 2001-06-11 | 2006-04-18 | Kathrein-Werke Kg | Shapable antenna beams for cellular networks |
JP3651430B2 (ja) * | 2001-09-17 | 2005-05-25 | 日本電気株式会社 | アレーアンテナの校正装置及び校正方法 |
US7039135B2 (en) * | 2001-10-11 | 2006-05-02 | D.S.P.C. Technologies Ltd. | Interference reduction using low complexity antenna array |
JP4086574B2 (ja) | 2002-04-12 | 2008-05-14 | 松下電器産業株式会社 | パスサーチ回路、無線受信装置及び無線送信装置 |
JP2003309513A (ja) * | 2002-04-16 | 2003-10-31 | Matsushita Electric Ind Co Ltd | アダプティブアレイアンテナ受信装置及びアンテナ・アレイ校正方法 |
JP3895228B2 (ja) * | 2002-05-07 | 2007-03-22 | 松下電器産業株式会社 | 無線通信装置および到来方向推定方法 |
DE10237823B4 (de) * | 2002-08-19 | 2004-08-26 | Kathrein-Werke Kg | Antennen-Array mit einer Kalibriereinrichtung sowie Verfahren zum Betrieb eines derartigen Antennen-Arrays |
DE10237822B3 (de) * | 2002-08-19 | 2004-07-22 | Kathrein-Werke Kg | Kalibriereinrichtung für ein umschaltbares Antennen-Array sowie ein zugehöriges Betriebsverfahren |
JP3440095B1 (ja) * | 2002-08-23 | 2003-08-25 | 富士通株式会社 | データ伝送装置及びデータ伝送方法 |
JP4010225B2 (ja) * | 2002-10-30 | 2007-11-21 | 日本電気株式会社 | アレーアンテナ送受信装置 |
US7151951B2 (en) * | 2002-12-23 | 2006-12-19 | Telefonktiebolaget Lm Ericsson (Publ) | Using beamforming and closed loop transmit diversity in a multi-beam antenna system |
CN1176555C (zh) * | 2002-12-25 | 2004-11-17 | 大唐移动通信设备有限公司 | 一种对智能天线阵系统进行实时校准的方法 |
JP3933597B2 (ja) * | 2003-03-27 | 2007-06-20 | 三洋電機株式会社 | 送信方法およびそれを利用した無線装置 |
JP2004320367A (ja) * | 2003-04-15 | 2004-11-11 | Matsushita Electric Ind Co Ltd | アレイアンテナ送受信装置 |
EP1496567A1 (de) * | 2003-07-10 | 2005-01-12 | Siemens Aktiengesellschaft | Anordnung zur Kalibrierung der Aussendung und des Empfangs von Signalen in einem Funkübertragungssystem |
JP2005064819A (ja) * | 2003-08-11 | 2005-03-10 | Matsushita Electric Ind Co Ltd | アレイアンテナ受信装置及び受信信号の校正方法 |
KR100957354B1 (ko) * | 2003-11-10 | 2010-05-12 | 삼성전자주식회사 | 스마트 안테나 시스템에서 순방향 빔 형성 장치 및 방법 |
US7787829B1 (en) | 2003-12-23 | 2010-08-31 | Cypress Semiconductor Corporation | Method and apparatus for tuning a radio receiver with a radio transmitter |
KR101019521B1 (ko) * | 2003-12-31 | 2011-03-07 | 지티이 코포레이션 | 어레이 안테나 전송링크의 조정장치 및 방법 |
IL161869A (en) | 2004-05-06 | 2014-05-28 | Serconet Ltd | A system and method for carrying a signal originating is wired using wires |
US8265549B2 (en) | 2004-05-18 | 2012-09-11 | Atc Technologies, Llc | Satellite communications systems and methods using radiotelephone |
JP4405331B2 (ja) * | 2004-07-06 | 2010-01-27 | 富士通株式会社 | 無線受信装置、無線送信装置及びキャリブレーション方法 |
CN100541465C (zh) * | 2004-09-07 | 2009-09-16 | 飞思卡尔半导体公司 | 用于产生多个不同选通脉冲信号的装置及集成电路 |
CN100426897C (zh) * | 2005-01-12 | 2008-10-15 | 华为技术有限公司 | 分体式基站系统及其组网方法和基带单元 |
JP4528208B2 (ja) * | 2005-06-10 | 2010-08-18 | 富士通株式会社 | アレイアンテナの校正装置及び校正方法 |
US7733287B2 (en) * | 2005-07-29 | 2010-06-08 | Sony Corporation | Systems and methods for high frequency parallel transmissions |
JP4528236B2 (ja) * | 2005-09-29 | 2010-08-18 | 株式会社日立製作所 | 無線基地局装置および通信方法 |
US7746922B2 (en) * | 2005-12-07 | 2010-06-29 | Cypress Semiconductor Corporation | Apparatus and method for frequency calibration between two radios |
US7853216B1 (en) * | 2005-12-22 | 2010-12-14 | Atheros Communications, Inc. | Multi-channel RX/TX calibration and local oscillator mismatch mitigation |
US7813451B2 (en) | 2006-01-11 | 2010-10-12 | Mobileaccess Networks Ltd. | Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting |
US20090298509A1 (en) * | 2006-01-19 | 2009-12-03 | Matsushita Electric Industrial Co., Ltd. | Radio transmission device and radio transmission method |
JP4774306B2 (ja) * | 2006-02-02 | 2011-09-14 | 富士通株式会社 | 干渉低減受信装置及びその方法 |
CA2547649A1 (en) * | 2006-04-04 | 2007-10-04 | Tenxc Wireless Inc. | Method and apparatus for uplink coverage improvement |
JP4355325B2 (ja) * | 2006-04-25 | 2009-10-28 | 京セラ株式会社 | 通信装置及び送信キャリブレーションウエイト算出方法 |
US8478344B2 (en) * | 2006-06-21 | 2013-07-02 | Broadcom Corporation | Power recovery circuit based on partial standing waves |
US20080129613A1 (en) * | 2006-12-05 | 2008-06-05 | Nokia Corporation | Calibration for re-configurable active antennas |
US8873585B2 (en) | 2006-12-19 | 2014-10-28 | Corning Optical Communications Wireless Ltd | Distributed antenna system for MIMO technologies |
US7764935B2 (en) * | 2006-12-21 | 2010-07-27 | Nokia Corporation | Phase and power calibration in active antennas |
US8064533B2 (en) * | 2006-12-29 | 2011-11-22 | Broadcom Corporation | Reconfigurable MIMO transceiver and method for use therewith |
US8090044B2 (en) * | 2006-12-29 | 2012-01-03 | Broadcom Corporation | Multimode transceiver for use with multiple antennas and method for use therewith |
US20080175175A1 (en) * | 2007-01-18 | 2008-07-24 | Yair Oren | Hybrid Passive Active Broadband Antenna for a Distributed Antenna System |
WO2008103374A2 (en) | 2007-02-19 | 2008-08-28 | Mobile Access Networks Ltd. | Method and system for improving uplink performance |
WO2009027824A2 (en) | 2007-04-18 | 2009-03-05 | Performance Plants, Inc. | Plants having increased tolerance to heat stress |
US8049662B2 (en) * | 2007-07-23 | 2011-11-01 | Aviation Communication&Surveillance Systems LLC | Systems and methods for antenna calibration |
ES2652418T3 (es) * | 2007-08-31 | 2018-02-02 | Bae Systems Plc | Calibración de antenas |
WO2009027723A1 (en) | 2007-08-31 | 2009-03-05 | Bae Systems Plc | Antenna calibration |
EP2183820A1 (de) * | 2007-08-31 | 2010-05-12 | BAE Systems PLC | Antennenkalibration |
AU2008291899A1 (en) * | 2007-08-31 | 2009-03-05 | Bae Systems Plc | Antenna calibration |
EP2203799A4 (de) | 2007-10-22 | 2017-05-17 | Mobileaccess Networks Ltd. | Kommunikationssystem mit leitungen mit niedriger bandbreite |
GB2454937A (en) * | 2007-11-23 | 2009-05-27 | Ubiquisys Ltd | Acquiring time references for a telecommunications basestation from a time server |
US8175649B2 (en) | 2008-06-20 | 2012-05-08 | Corning Mobileaccess Ltd | Method and system for real time control of an active antenna over a distributed antenna system |
US8195224B2 (en) | 2008-05-13 | 2012-06-05 | Corning Mobileaccess Ltd | Multiple data services over a distributed antenna system |
JP2008172808A (ja) * | 2008-01-29 | 2008-07-24 | Kyocera Corp | 信号処理モジュールならびにそれを利用した無線装置および無線基地局 |
US7970359B2 (en) * | 2008-07-29 | 2011-06-28 | Alvarion Ltd. | Delay diversity in antenna arrays |
US8111959B2 (en) | 2008-07-30 | 2012-02-07 | Corning Mobileaccess Ltd | Method and system for coupling multimode optical fiber to an optical detector |
EP2192707A1 (de) * | 2008-11-26 | 2010-06-02 | Nokia Siemens Networks OY | Verfahren zur Kalibrierung einer aktiven Antenne und aktive Antenne |
EP2399141A4 (de) | 2009-02-08 | 2012-08-01 | Corning Mobileaccess Ltd | Kommunikationssystem mit auf kabeln transportierten ethernet-signalen |
GB2467771B (en) * | 2009-02-13 | 2011-03-30 | Socowave Technologies Ltd | Communication system, network element and method for antenna array beam-forming |
US8761835B2 (en) * | 2009-06-08 | 2014-06-24 | Telefonaktiebolaget L M Ericsson (Publ) | Wireless communication node and a method related thereto |
CN101958744B (zh) * | 2009-07-13 | 2013-11-20 | 电信科学技术研究院 | 频偏预校准方法和设备 |
WO2011066426A1 (en) | 2009-11-25 | 2011-06-03 | Mobileaccess Networks Ltd. | Method and system for integrating an rf module into a digital network access point |
US8311166B2 (en) | 2010-03-31 | 2012-11-13 | Ubidyne, Inc. | Active antenna array and method for calibration of the active antenna array |
US8340612B2 (en) | 2010-03-31 | 2012-12-25 | Ubidyne, Inc. | Active antenna array and method for calibration of the active antenna array |
US8441966B2 (en) | 2010-03-31 | 2013-05-14 | Ubidyne Inc. | Active antenna array and method for calibration of receive paths in said array |
JP5768953B2 (ja) * | 2010-08-02 | 2015-08-26 | 日本電気株式会社 | 通信衛星、較正システム、及びアレーアンテナの較正方法 |
CN103975539A (zh) * | 2011-12-06 | 2014-08-06 | 爱立信(中国)通信有限公司 | 多普勒频移补偿装置和方法 |
WO2013142662A2 (en) | 2012-03-23 | 2013-09-26 | Corning Mobile Access Ltd. | Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods |
US20130260844A1 (en) * | 2012-03-28 | 2013-10-03 | Andrew Llc | Series-connected couplers for active antenna systems |
WO2013148986A1 (en) | 2012-03-30 | 2013-10-03 | Corning Cable Systems Llc | Reducing location-dependent interference in distributed antenna systems operating in multiple-input, multiple-output (mimo) configuration, and related components, systems, and methods |
US8767862B2 (en) | 2012-05-29 | 2014-07-01 | Magnolia Broadband Inc. | Beamformer phase optimization for a multi-layer MIMO system augmented by radio distribution network |
US9154204B2 (en) | 2012-06-11 | 2015-10-06 | Magnolia Broadband Inc. | Implementing transmit RDN architectures in uplink MIMO systems |
US9258049B2 (en) * | 2012-06-21 | 2016-02-09 | Samsung Electronics Co., Ltd | Communication device and orientation control method |
CN105308876B (zh) | 2012-11-29 | 2018-06-22 | 康宁光电通信有限责任公司 | 分布式天线系统中的远程单元天线结合 |
US8797969B1 (en) | 2013-02-08 | 2014-08-05 | Magnolia Broadband Inc. | Implementing multi user multiple input multiple output (MU MIMO) base station using single-user (SU) MIMO co-located base stations |
US9343808B2 (en) | 2013-02-08 | 2016-05-17 | Magnotod Llc | Multi-beam MIMO time division duplex base station using subset of radios |
US9155110B2 (en) | 2013-03-27 | 2015-10-06 | Magnolia Broadband Inc. | System and method for co-located and co-channel Wi-Fi access points |
US9100968B2 (en) | 2013-05-09 | 2015-08-04 | Magnolia Broadband Inc. | Method and system for digital cancellation scheme with multi-beam |
JP2015012568A (ja) * | 2013-07-02 | 2015-01-19 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 指向性制御装置、および指向性制御方法 |
WO2015002448A1 (en) * | 2013-07-02 | 2015-01-08 | Samsung Electronics Co., Ltd. | Apparatus and method for controlling orientation |
US9497781B2 (en) | 2013-08-13 | 2016-11-15 | Magnolia Broadband Inc. | System and method for co-located and co-channel Wi-Fi access points |
US9172454B2 (en) * | 2013-11-01 | 2015-10-27 | Magnolia Broadband Inc. | Method and system for calibrating a transceiver array |
US8891598B1 (en) | 2013-11-19 | 2014-11-18 | Magnolia Broadband Inc. | Transmitter and receiver calibration for obtaining the channel reciprocity for time division duplex MIMO systems |
US8942134B1 (en) | 2013-11-20 | 2015-01-27 | Magnolia Broadband Inc. | System and method for selective registration in a multi-beam system |
US9294177B2 (en) | 2013-11-26 | 2016-03-22 | Magnolia Broadband Inc. | System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems |
EP2884675A1 (de) * | 2013-12-12 | 2015-06-17 | Airbus Defence and Space Limited | Phasen- oder Amplitudenausgleich für Strahlformer |
US9100154B1 (en) | 2014-03-19 | 2015-08-04 | Magnolia Broadband Inc. | Method and system for explicit AP-to-AP sounding in an 802.11 network |
US9172446B2 (en) | 2014-03-19 | 2015-10-27 | Magnolia Broadband Inc. | Method and system for supporting sparse explicit sounding by implicit data |
CN105518934B (zh) * | 2014-06-06 | 2019-04-12 | 华为技术有限公司 | 阵列天线校准方法、装置和系统 |
US9525472B2 (en) | 2014-07-30 | 2016-12-20 | Corning Incorporated | Reducing location-dependent destructive interference in distributed antenna systems (DASS) operating in multiple-input, multiple-output (MIMO) configuration, and related components, systems, and methods |
US9184960B1 (en) | 2014-09-25 | 2015-11-10 | Corning Optical Communications Wireless Ltd | Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference |
CN104409817B (zh) * | 2014-12-06 | 2017-02-22 | 河南蓝海通信技术有限公司 | 合路装置 |
US9729267B2 (en) | 2014-12-11 | 2017-08-08 | Corning Optical Communications Wireless Ltd | Multiplexing two separate optical links with the same wavelength using asymmetric combining and splitting |
EP3269056B1 (de) * | 2015-03-11 | 2020-02-26 | Telefonaktiebolaget LM Ericsson (publ) | Verfahren und vorrichtungen zur antennenkalibrierung |
CN105072568B (zh) * | 2015-08-11 | 2018-10-26 | 武汉拓宝科技股份有限公司 | 用于m2m的多天线点对多点无线通信系统及方法 |
CN108292929B (zh) * | 2015-09-10 | 2020-04-28 | 蓝色多瑙河系统有限公司 | 有源阵列校准 |
US10715261B2 (en) * | 2016-05-24 | 2020-07-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for antenna array calibration using on-board receiver |
US10263330B2 (en) * | 2016-05-26 | 2019-04-16 | Nokia Solutions And Networks Oy | Antenna elements and apparatus suitable for AAS calibration by selective couplerline and TRX RF subgroups |
US10623116B2 (en) * | 2016-10-04 | 2020-04-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and radio network node for determining total radiated power from a plurality of antennas |
CN110518990B (zh) * | 2019-08-19 | 2021-10-22 | 深圳创维数字技术有限公司 | 多天线WiFi产品的校准方法、系统及计算机可读存储介质 |
US11316656B1 (en) * | 2020-07-08 | 2022-04-26 | The Johns Hopkins University | Time transfer modem |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5122808A (en) * | 1990-09-28 | 1992-06-16 | Allied-Signal Inc. | Phase only bearing mesurement with amiguity correction in a collision avoidance system |
US5678219A (en) * | 1991-03-29 | 1997-10-14 | E-Systems, Inc. | Integrated electronic warfare antenna receiver |
US5263189A (en) * | 1991-11-26 | 1993-11-16 | Alliedsignal Inc. | Apparatus and method for correcting electrical path length phase errors |
US5546090A (en) | 1991-12-12 | 1996-08-13 | Arraycomm, Inc. | Method and apparatus for calibrating antenna arrays |
US5469172A (en) * | 1993-11-16 | 1995-11-21 | Bf Goodrich Flightsystem, Inc. | Calibration method and apparatus for receiving transponder reply signals |
FI94476C (fi) * | 1993-11-18 | 1995-09-11 | Nokia Telecommunications Oy | Menetelmä lähetinvastaanotinyksikön lähettimen vaihevirheen minimoimiseksi sekä lähetinvastaanotinyksikkö |
GB9402550D0 (en) * | 1994-02-10 | 1994-04-06 | Northern Telecom Ltd | Antenna |
GB9417450D0 (en) * | 1994-08-25 | 1994-10-19 | Symmetricom Inc | An antenna |
US6101399A (en) | 1995-02-22 | 2000-08-08 | The Board Of Trustees Of The Leland Stanford Jr. University | Adaptive beam forming for transmitter operation in a wireless communication system |
US5604929A (en) * | 1995-04-21 | 1997-02-18 | Rockwell International | System for correcting quadrature gain and phase errors in a direct conversion single sideband receiver independent of the character of the modulated signal |
US5603098A (en) | 1995-04-21 | 1997-02-11 | Motorola, Inc. | Integrated radiating and coupling device for duplex communications |
EP0762541A3 (de) | 1995-08-29 | 2000-01-12 | DaimlerChrysler AG | Einrichtung zum Kalibrieren und Testen von Sende/Empfangs-Modulen in einer aktiven elektronisch phasengesteuerten Gruppenantenne |
US5600246A (en) * | 1995-11-28 | 1997-02-04 | Western Atlas International, Inc. | Method and apparatus for reducing signal-phase error in induction well logging instruments |
CN1108037C (zh) | 1997-03-18 | 2003-05-07 | 松下电器产业株式会社 | 阵列天线无线电接收装置的校准装置和校准方法 |
JP3369466B2 (ja) | 1997-03-18 | 2003-01-20 | 松下電器産業株式会社 | アレーアンテナ無線受信装置のキャリブレーション装置 |
SE509434C2 (sv) | 1997-05-16 | 1999-01-25 | Ericsson Telefon Ab L M | Anordning och förfarande vid antennkalibrering |
JPH10336149A (ja) | 1997-05-28 | 1998-12-18 | Matsushita Electric Ind Co Ltd | アレーアンテナ無線cdma通信装置 |
JP3585701B2 (ja) * | 1997-06-12 | 2004-11-04 | 富士通株式会社 | セルラ移動通信システム無線基地局 |
US5936569A (en) | 1997-12-02 | 1999-08-10 | Nokia Telecommunications Oy | Method and arrangement for adjusting antenna pattern |
JP3233088B2 (ja) * | 1998-01-22 | 2001-11-26 | 松下電器産業株式会社 | 指向性制御アンテナ装置 |
US6100841A (en) * | 1998-06-19 | 2000-08-08 | Raytheon Company | Radio frequency receiving circuit |
US6535560B1 (en) * | 1999-06-03 | 2003-03-18 | Ditrans Corporation | Coherent adaptive calibration system and method |
JP4303373B2 (ja) * | 1999-09-14 | 2009-07-29 | 株式会社日立コミュニケーションテクノロジー | 無線基地局装置 |
WO2005022833A2 (en) * | 2003-08-27 | 2005-03-10 | Wavion Ltd. | Wlan capacity enhancement using sdm |
-
1999
- 1999-09-14 JP JP26040799A patent/JP4303373B2/ja not_active Expired - Fee Related
-
2000
- 2000-08-30 US US09/650,795 patent/US6647276B1/en not_active Expired - Fee Related
- 2000-09-14 DE DE60028677T patent/DE60028677T2/de not_active Expired - Lifetime
- 2000-09-14 EP EP00120040A patent/EP1085684B1/de not_active Expired - Lifetime
-
2003
- 2003-09-29 US US10/674,455 patent/US7203462B2/en not_active Expired - Fee Related
-
2007
- 2007-03-09 US US11/716,541 patent/US7587174B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7587174B2 (en) | 2009-09-08 |
JP2001086049A (ja) | 2001-03-30 |
US6647276B1 (en) | 2003-11-11 |
EP1085684A3 (de) | 2003-05-28 |
JP4303373B2 (ja) | 2009-07-29 |
EP1085684A2 (de) | 2001-03-21 |
US20070293269A1 (en) | 2007-12-20 |
EP1085684B1 (de) | 2006-06-14 |
DE60028677T2 (de) | 2007-05-24 |
US7203462B2 (en) | 2007-04-10 |
US20040063469A1 (en) | 2004-04-01 |
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