JP3879935B2 - アンテナアレイのための変調とディジタルビーム形成を同時に行うための効率的な装置 - Google Patents
アンテナアレイのための変調とディジタルビーム形成を同時に行うための効率的な装置 Download PDFInfo
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- JP3879935B2 JP3879935B2 JP52126397A JP52126397A JP3879935B2 JP 3879935 B2 JP3879935 B2 JP 3879935B2 JP 52126397 A JP52126397 A JP 52126397A JP 52126397 A JP52126397 A JP 52126397A JP 3879935 B2 JP3879935 B2 JP 3879935B2
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- Prior art keywords
- digital
- beamformer
- beam forming
- bit
- forming network
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- Expired - Fee Related
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Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/568,664 | 1995-12-07 | ||
| US08/568,664 US5909460A (en) | 1995-12-07 | 1995-12-07 | Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array |
| PCT/US1996/017739 WO1997021284A1 (en) | 1995-12-07 | 1996-11-12 | Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000501907A JP2000501907A (ja) | 2000-02-15 |
| JP2000501907A5 JP2000501907A5 (enExample) | 2004-10-21 |
| JP3879935B2 true JP3879935B2 (ja) | 2007-02-14 |
Family
ID=24272214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52126397A Expired - Fee Related JP3879935B2 (ja) | 1995-12-07 | 1996-11-12 | アンテナアレイのための変調とディジタルビーム形成を同時に行うための効率的な装置 |
Country Status (10)
| Country | Link |
|---|---|
| US (3) | US5909460A (enExample) |
| EP (1) | EP0865692B1 (enExample) |
| JP (1) | JP3879935B2 (enExample) |
| KR (1) | KR100433966B1 (enExample) |
| CN (1) | CN1124706C (enExample) |
| AU (1) | AU720057B2 (enExample) |
| BR (1) | BR9611699A (enExample) |
| CA (1) | CA2239513A1 (enExample) |
| DE (1) | DE69619268T2 (enExample) |
| WO (1) | WO1997021284A1 (enExample) |
Families Citing this family (141)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5796842A (en) * | 1996-06-07 | 1998-08-18 | That Corporation | BTSC encoder |
| US8908872B2 (en) * | 1996-06-07 | 2014-12-09 | That Corporation | BTSC encoder |
| CA2213156A1 (en) * | 1997-08-15 | 1999-02-15 | Philsar Electronics Inc. | One bit digital quadrature vector modulator |
| US6055230A (en) * | 1997-09-05 | 2000-04-25 | Metawave Communications Corporation | Embedded digital beam switching |
| US6278732B1 (en) * | 1998-01-12 | 2001-08-21 | Hughes Electronics Corp. | Efficient MLSE equalization for quadrature multi-pulse (QMP) signaling |
| WO1999038297A1 (en) * | 1998-01-21 | 1999-07-29 | Nokia Mobile Phones Limited | Pulse shaping which compensates for component distortion |
| US6157681A (en) * | 1998-04-06 | 2000-12-05 | Motorola, Inc. | Transmitter system and method of operation therefor |
| DE19818003A1 (de) * | 1998-04-22 | 1999-10-28 | Thomcast Ag Turgi | Rundfunksendeanlage |
| US7548787B2 (en) * | 2005-08-03 | 2009-06-16 | Kamilo Feher | Medical diagnostic and communication system |
| US7079584B2 (en) * | 1998-08-10 | 2006-07-18 | Kamilo Feher | OFDM, CDMA, spread spectrum, TDMA, cross-correlated and filtered modulation |
| US8050345B1 (en) | 1999-08-09 | 2011-11-01 | Kamilo Feher | QAM and GMSK systems |
| US6061551A (en) * | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
| US7515896B1 (en) | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
| US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
| US6542722B1 (en) * | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
| US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
| US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
| US7076227B1 (en) * | 1998-12-03 | 2006-07-11 | Apex/Eclipse Systems, Inc. | Receiving system with improved directivity and signal to noise ratio |
| US6337980B1 (en) | 1999-03-18 | 2002-01-08 | Hughes Electronics Corporation | Multiple satellite mobile communications method and apparatus for hand-held terminals |
| US6853690B1 (en) | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
| US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
| US7110435B1 (en) | 1999-03-15 | 2006-09-19 | Parkervision, Inc. | Spread spectrum applications of universal frequency translation |
| US6920309B1 (en) | 1999-03-18 | 2005-07-19 | The Directv Group, Inc. | User positioning technique for multi-platform communication system |
| US7215954B1 (en) | 1999-03-18 | 2007-05-08 | The Directv Group, Inc. | Resource allocation method for multi-platform communication system |
| US7693230B2 (en) * | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
| US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
| US7110444B1 (en) | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
| US6701137B1 (en) * | 1999-04-26 | 2004-03-02 | Andrew Corporation | Antenna system architecture |
| US6307894B2 (en) * | 1999-05-25 | 2001-10-23 | Conexant Systems, Inc. | Power amplification using a direct-upconverting quadrature mixer topology |
| US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
| US9813270B2 (en) | 1999-08-09 | 2017-11-07 | Kamilo Feher | Heart rate sensor and medical diagnostics wireless devices |
| US7260369B2 (en) | 2005-08-03 | 2007-08-21 | Kamilo Feher | Location finder, tracker, communication and remote control system |
| US9307407B1 (en) | 1999-08-09 | 2016-04-05 | Kamilo Feher | DNA and fingerprint authentication of mobile devices |
| US9373251B2 (en) | 1999-08-09 | 2016-06-21 | Kamilo Feher | Base station devices and automobile wireless communication systems |
| US6453332B1 (en) * | 1999-08-20 | 2002-09-17 | Winbond Electronics Corp. | Method and apparatus for performing plural matrix multiplication operations |
| US6594367B1 (en) * | 1999-10-25 | 2003-07-15 | Andrea Electronics Corporation | Super directional beamforming design and implementation |
| US6490261B1 (en) | 1999-10-28 | 2002-12-03 | Ericsson Inc. | Overlapping slot transmission using phased arrays |
| US7339520B2 (en) * | 2000-02-04 | 2008-03-04 | The Directv Group, Inc. | Phased array terminal for equatorial satellite constellations |
| US7164725B2 (en) | 2000-03-10 | 2007-01-16 | Motorola, Inc. | Method and apparatus for antenna array beamforming |
| DE60135070D1 (de) * | 2000-03-09 | 2008-09-11 | Motorola Inc | Verfahren und vorrichtung zur gruppenantennenstrahlformung |
| US7027769B1 (en) | 2000-03-31 | 2006-04-11 | The Directv Group, Inc. | GEO stationary communications system with minimal delay |
| US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
| US6963548B1 (en) | 2000-04-17 | 2005-11-08 | The Directv Group, Inc. | Coherent synchronization of code division multiple access signals |
| US6388615B1 (en) * | 2000-06-06 | 2002-05-14 | Hughes Electronics Corporation | Micro cell architecture for mobile user tracking communication system |
| US6756937B1 (en) | 2000-06-06 | 2004-06-29 | The Directv Group, Inc. | Stratospheric platforms based mobile communications architecture |
| US6515622B1 (en) * | 2000-06-13 | 2003-02-04 | Hrl Laboratories, Llc | Ultra-wideband pulse coincidence beamformer |
| US6829479B1 (en) * | 2000-07-14 | 2004-12-07 | The Directv Group. Inc. | Fixed wireless back haul for mobile communications using stratospheric platforms |
| US6895217B1 (en) | 2000-08-21 | 2005-05-17 | The Directv Group, Inc. | Stratospheric-based communication system for mobile users having adaptive interference rejection |
| US7257418B1 (en) | 2000-08-31 | 2007-08-14 | The Directv Group, Inc. | Rapid user acquisition by a ground-based beamformer |
| US6380893B1 (en) | 2000-09-05 | 2002-04-30 | Hughes Electronics Corporation | Ground-based, wavefront-projection beamformer for a stratospheric communications platform |
| US6941138B1 (en) | 2000-09-05 | 2005-09-06 | The Directv Group, Inc. | Concurrent communications between a user terminal and multiple stratospheric transponder platforms |
| US7317916B1 (en) | 2000-09-14 | 2008-01-08 | The Directv Group, Inc. | Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection |
| US6763242B1 (en) | 2000-09-14 | 2004-07-13 | The Directv Group, Inc. | Resource assignment system and method for determining the same |
| US7720472B1 (en) | 2000-09-14 | 2010-05-18 | The Directv Group, Inc. | Stratospheric-based communication system having interference cancellation |
| US6504505B1 (en) | 2000-10-30 | 2003-01-07 | Hughes Electronics Corporation | Phase control network for active phased array antennas |
| US6388634B1 (en) | 2000-10-31 | 2002-05-14 | Hughes Electronics Corporation | Multi-beam antenna communication system and method |
| US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
| US20020090024A1 (en) * | 2000-11-15 | 2002-07-11 | Tan Keng Tiong | Method and apparatus for non-linear code-division multiple access technology |
| US7400857B2 (en) * | 2000-12-12 | 2008-07-15 | The Directv Group, Inc. | Communication system using multiple link terminals |
| US7181162B2 (en) | 2000-12-12 | 2007-02-20 | The Directv Group, Inc. | Communication system using multiple link terminals |
| US20020073437A1 (en) * | 2000-12-12 | 2002-06-13 | Hughes Electronics Corporation | Television distribution system using multiple links |
| US6891813B2 (en) | 2000-12-12 | 2005-05-10 | The Directv Group, Inc. | Dynamic cell CDMA code assignment system and method |
| US7103317B2 (en) | 2000-12-12 | 2006-09-05 | The Directv Group, Inc. | Communication system using multiple link terminals for aircraft |
| US6952580B2 (en) | 2000-12-12 | 2005-10-04 | The Directv Group, Inc. | Multiple link internet protocol mobile communications system and method therefor |
| ATE291791T1 (de) * | 2000-12-18 | 2005-04-15 | Koninkl Philips Electronics Nv | Erzeugung von zwei durch 90 grad phasenverschobene signale |
| US7161997B2 (en) * | 2000-12-26 | 2007-01-09 | Intel Corporation | Programmable baseband module |
| US8396513B2 (en) * | 2001-01-19 | 2013-03-12 | The Directv Group, Inc. | Communication system for mobile users using adaptive antenna |
| US7809403B2 (en) | 2001-01-19 | 2010-10-05 | The Directv Group, Inc. | Stratospheric platforms communication system using adaptive antennas |
| US7187949B2 (en) | 2001-01-19 | 2007-03-06 | The Directv Group, Inc. | Multiple basestation communication system having adaptive antennas |
| US7068733B2 (en) | 2001-02-05 | 2006-06-27 | The Directv Group, Inc. | Sampling technique for digital beam former |
| US6559797B1 (en) | 2001-02-05 | 2003-05-06 | Hughes Electronics Corporation | Overlapping subarray patch antenna system |
| US6901422B1 (en) | 2001-03-21 | 2005-05-31 | Apple Computer, Inc. | Matrix multiplication in a vector processing system |
| EP1278128A3 (en) * | 2001-07-19 | 2004-09-08 | NTT DoCoMo, Inc. | Systolic array device |
| US7209511B2 (en) * | 2001-08-31 | 2007-04-24 | Ericsson Inc. | Interference cancellation in a CDMA receiving system |
| US7197282B2 (en) * | 2001-07-26 | 2007-03-27 | Ericsson Inc. | Mobile station loop-back signal processing |
| US7224942B2 (en) | 2001-07-26 | 2007-05-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Communications system employing non-polluting pilot codes |
| US20030045297A1 (en) * | 2001-08-24 | 2003-03-06 | Dent Paul W. | Communication system employing channel estimation loop-back signals |
| US6996380B2 (en) * | 2001-07-26 | 2006-02-07 | Ericsson Inc. | Communication system employing transmit macro-diversity |
| US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
| US20030179830A1 (en) * | 2002-03-25 | 2003-09-25 | Eidson Donald B. | Efficient, high fidelity transmission of modulation schemes through power-constrained remote relay stations by local transmit predistortion and local receiver feedback |
| US6778137B2 (en) * | 2002-03-26 | 2004-08-17 | Raytheon Company | Efficient wideband waveform generation and signal processing design for an active multi-beam ESA digital radar system |
| US20030195913A1 (en) * | 2002-04-10 | 2003-10-16 | Murphy Charles Douglas | Shared multiplication for constant and adaptive digital filters |
| US7460584B2 (en) * | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
| US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
| ATE340446T1 (de) * | 2002-09-04 | 2006-10-15 | Eta Sa Mft Horlogere Suisse | Datenübertragungssystem und verfahren mit schallwellen |
| US7203253B2 (en) * | 2002-09-26 | 2007-04-10 | Marvell World Trade Ltd. | Method and apparatus of cross-correlation |
| US7103383B2 (en) * | 2002-12-31 | 2006-09-05 | Wirless Highways, Inc. | Apparatus, system, method and computer program product for digital beamforming in the intermediate frequency domain |
| TWI236306B (en) * | 2003-01-29 | 2005-07-11 | Syncomm Technology Corp | Audio and data multiplexed wireless audio system |
| WO2004068725A2 (en) * | 2003-01-29 | 2004-08-12 | Xg Technology, Llc | Modulation compression method for the radio frequency transmission of high speed data |
| US7184492B2 (en) * | 2003-02-10 | 2007-02-27 | Ericsson Inc. | Using antenna arrays in multipath environment |
| JP2004266586A (ja) | 2003-03-03 | 2004-09-24 | Hitachi Ltd | 移動通信システムのデータ送受信方法 |
| US7020448B2 (en) * | 2003-03-07 | 2006-03-28 | Conwise Technology Corporation Ltd. | Method for detecting a tone signal through digital signal processing |
| JP4280657B2 (ja) * | 2004-03-01 | 2009-06-17 | 富士通株式会社 | アレーアンテナのビーム形成方法及びその装置 |
| JP4128150B2 (ja) * | 2004-03-22 | 2008-07-30 | 株式会社日立製作所 | 任意波形発生器を用いたラジオ波送信回路およびそれを用いた核磁気共鳴装置 |
| US7424040B2 (en) * | 2004-05-07 | 2008-09-09 | Ltas Holdings, Llc | Communication systems and methods for transmitting data in parallel over multiple channels |
| US8503328B2 (en) | 2004-09-01 | 2013-08-06 | Qualcomm Incorporated | Methods and apparatus for transmission of configuration information in a wireless communication network |
| US7058138B2 (en) * | 2004-09-01 | 2006-06-06 | Xg Technology, Llc | Coordinated numerical control of sideband energy and modulation compression method for the radio frequency transmission of high speed data |
| US20060067381A1 (en) * | 2004-09-23 | 2006-03-30 | Chakravarthy Vasu D | Spectrum re-use employing transfer domain communications systems |
| US7609780B2 (en) * | 2004-09-30 | 2009-10-27 | Intel Corporation | Method and apparatus for performing sequential closed loop multiple input multiple output (MIMO) |
| US7359449B2 (en) | 2004-10-05 | 2008-04-15 | Kamilo Feher | Data communication for wired and wireless communication |
| US7421004B2 (en) * | 2004-10-05 | 2008-09-02 | Kamilo Feher | Broadband, ultra wideband and ultra narrowband reconfigurable interoperable systems |
| US7610025B2 (en) | 2005-03-29 | 2009-10-27 | Qualcomm Incorporated | Antenna array pattern distortion mitigation |
| US20060271370A1 (en) * | 2005-05-24 | 2006-11-30 | Li Qi P | Mobile two-way spoken language translator and noise reduction using multi-directional microphone arrays |
| US7280810B2 (en) * | 2005-08-03 | 2007-10-09 | Kamilo Feher | Multimode communication system |
| US10009956B1 (en) | 2017-09-02 | 2018-06-26 | Kamilo Feher | OFDM, 3G and 4G cellular multimode systems and wireless mobile networks |
| US20080298456A1 (en) * | 2005-12-02 | 2008-12-04 | Aerielle Technologies, Inc. | Hybrid Digital Digital/Analog Fm Multiplexer Transmitter |
| GB0525161D0 (en) * | 2005-12-09 | 2006-01-18 | Airspan Networks Inc | Antenna system for wireless communications |
| JP2007228496A (ja) * | 2006-02-27 | 2007-09-06 | Kyocera Corp | アレーアンテナ装置及び信号処理方法 |
| WO2008117401A1 (ja) * | 2007-03-26 | 2008-10-02 | Fujitsu Limited | 無線通信システムにおける送信ダイバーシティ方法並びに無線送信装置及び無線受信装置 |
| EP2162985B1 (en) * | 2007-05-25 | 2018-07-11 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for communicating with root-nyquist, self-transform pulse shapes |
| US20090023462A1 (en) * | 2007-07-17 | 2009-01-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Signal Waveform Construction for Position Determination by Scrambled Conical |
| US8203483B2 (en) * | 2008-03-13 | 2012-06-19 | Cubic Corporation | Digital beamforming antenna and datalink array |
| US8908745B2 (en) * | 2011-01-18 | 2014-12-09 | Ciena Corporation | Analog continuous time matched pulse shaping transmitter and receiver filters |
| US20120274499A1 (en) * | 2011-04-29 | 2012-11-01 | Spatial Digital Systems | Radar imaging via spatial spectrum measurement and MIMO waveforms |
| US9100085B2 (en) | 2011-09-21 | 2015-08-04 | Spatial Digital Systems, Inc. | High speed multi-mode fiber transmissions via orthogonal wavefronts |
| EP2828983B1 (en) * | 2012-03-23 | 2019-07-10 | Alcatel Lucent | Method, apparatus and computer program for testing a transceiver device |
| US9275690B2 (en) | 2012-05-30 | 2016-03-01 | Tahoe Rf Semiconductor, Inc. | Power management in an electronic system through reducing energy usage of a battery and/or controlling an output power of an amplifier thereof |
| US10616827B2 (en) | 2012-07-10 | 2020-04-07 | Huawei Technologies Co., Ltd. | System and method for dynamically configurable air interfaces |
| US9509351B2 (en) | 2012-07-27 | 2016-11-29 | Tahoe Rf Semiconductor, Inc. | Simultaneous accommodation of a low power signal and an interfering signal in a radio frequency (RF) receiver |
| US9621254B2 (en) | 2012-09-21 | 2017-04-11 | Spatial Digital Systems, Inc. | Communications architectures via UAV |
| US9596024B2 (en) | 2012-09-21 | 2017-03-14 | Spatial Digital Systems, Inc. | Multi-channel communication optimization methods and systems |
| KR101992260B1 (ko) * | 2012-12-28 | 2019-06-26 | 삼성전자주식회사 | 이동통신 시스템에서 랜덤 퍼터베이션을 적용한 빔포밍 방법 및 장치 |
| US9666942B2 (en) | 2013-03-15 | 2017-05-30 | Gigpeak, Inc. | Adaptive transmit array for beam-steering |
| US9837714B2 (en) | 2013-03-15 | 2017-12-05 | Integrated Device Technology, Inc. | Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through a circular configuration thereof |
| US9531070B2 (en) | 2013-03-15 | 2016-12-27 | Christopher T. Schiller | Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through accommodating differential coupling between VCOs thereof |
| US9184498B2 (en) | 2013-03-15 | 2015-11-10 | Gigoptix, Inc. | Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through fine control of a tunable frequency of a tank circuit of a VCO thereof |
| US9722310B2 (en) | 2013-03-15 | 2017-08-01 | Gigpeak, Inc. | Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through frequency multiplication |
| US9780449B2 (en) | 2013-03-15 | 2017-10-03 | Integrated Device Technology, Inc. | Phase shift based improved reference input frequency signal injection into a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation to reduce a phase-steering requirement during beamforming |
| US9716315B2 (en) | 2013-03-15 | 2017-07-25 | Gigpeak, Inc. | Automatic high-resolution adaptive beam-steering |
| US9088330B2 (en) | 2013-04-24 | 2015-07-21 | Cubic Corporation | Distributed local oscillator generation and synchronization |
| CN104579440B (zh) * | 2014-11-24 | 2018-04-20 | 南京邮电大学 | 一种基于反向天线阵的方向调制信号的设计方法 |
| US10116370B2 (en) * | 2015-03-26 | 2018-10-30 | Ntt Docomo, Inc. | Radio communication control method and radio communication system |
| EP3076544B1 (de) * | 2015-03-31 | 2020-01-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum verstärken eines eingangssignals |
| US10320467B2 (en) | 2015-09-29 | 2019-06-11 | The United States Of America, As Represented By The Secretary Of The Army | Frequency-based radio beamforming waveform transmission |
| US10079633B2 (en) | 2015-09-29 | 2018-09-18 | The United States Of America, As Represented By The Secretary Of The Army | Time-based and frequency-based radio beamforming waveform transmission |
| US10193612B2 (en) * | 2015-09-29 | 2019-01-29 | The United States Of America, As Represented By The Secretary Of The Army | Time-based radio beamforming waveform transmission |
| US9913278B2 (en) | 2016-06-06 | 2018-03-06 | Google Llc | Systems and methods for dynamically allocating wireless service resources consonant with service demand density |
| RU2701460C1 (ru) * | 2018-06-05 | 2019-09-26 | Геннадий Петрович Слукин | Способ формирования приемных парциальных лучей для параллельного обзора пространства |
| DE102020105234A1 (de) * | 2020-02-27 | 2021-09-02 | Moog Gat Gmbh | Signalübertrager zum bidirektionalen Übertragen von Information zwischen einem stehenden Teil und einem drehbaren Teil |
| US20220308160A1 (en) * | 2021-01-22 | 2022-09-29 | Uhnder, Inc. | Automotive radar device |
| EP4340243A4 (en) | 2021-05-26 | 2024-11-13 | Samsung Electronics Co., Ltd. | Electronic device for determining reception dimension, and operation method of electronic device |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4216475A (en) * | 1978-06-22 | 1980-08-05 | The United States Of America As Represented By The Secretary Of The Army | Digital beam former |
| US4575724A (en) * | 1984-08-15 | 1986-03-11 | The United States Of America As Represented By The Secretary Of The Air Force | Parallel processor configuration for adaptive antenna arrays |
| US4827268A (en) * | 1986-08-14 | 1989-05-02 | Hughes Aircraft Company | Beam-forming network |
| GB8627787D0 (en) * | 1986-11-20 | 1986-12-17 | British Telecomm | Pattern processing |
| SE463540B (sv) * | 1988-09-19 | 1990-12-03 | Ericsson Telefon Ab L M | Saett foer att i ett radiokommunikationssystem digitalisera godtyckliga radiosignaler samt anordning foer utoevande av saettet |
| US4965602A (en) * | 1989-10-17 | 1990-10-23 | Hughes Aircraft Company | Digital beamforming for multiple independent transmit beams |
| EP0446610A1 (en) * | 1990-03-07 | 1991-09-18 | Hughes Aircraft Company | Magnified phased array with a digital beamforming network |
| US5151919A (en) * | 1990-12-17 | 1992-09-29 | Ericsson-Ge Mobile Communications Holding Inc. | Cdma subtractive demodulation |
| US5218619A (en) * | 1990-12-17 | 1993-06-08 | Ericsson Ge Mobile Communications Holding, Inc. | CDMA subtractive demodulation |
| US5077562A (en) * | 1990-12-24 | 1991-12-31 | Hughes Aircraft Company | Digital beam-forming technique using temporary noise injection |
| US5357454A (en) * | 1991-07-25 | 1994-10-18 | Ericsson Ge Mobile Communications Holding, Inc. | Fast walsh transform processor |
| GB9126944D0 (en) * | 1991-12-19 | 1992-02-19 | Secr Defence | A digital beamforming array |
| US5353352A (en) * | 1992-04-10 | 1994-10-04 | Ericsson Ge Mobile Communications Inc. | Multiple access coding for radio communications |
| US5329595A (en) * | 1992-06-05 | 1994-07-12 | Trw Inc. | System and method for analyzing optical spectral data of a terrain image |
| US5745523A (en) | 1992-10-27 | 1998-04-28 | Ericsson Inc. | Multi-mode signal processing |
| US5530722A (en) | 1992-10-27 | 1996-06-25 | Ericsson Ge Mobile Communications Inc. | Quadrature modulator with integrated distributed RC filters |
| US5497398A (en) * | 1993-08-12 | 1996-03-05 | Aware, Inc. | Multi-carrier transceiver |
| US5434578A (en) * | 1993-10-22 | 1995-07-18 | Westinghouse Electric Corp. | Apparatus and method for automatic antenna beam positioning |
| US5535240A (en) * | 1993-10-29 | 1996-07-09 | Airnet Communications Corporation | Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for multichannel communication network |
| US5619503A (en) | 1994-01-11 | 1997-04-08 | Ericsson Inc. | Cellular/satellite communications system with improved frequency re-use |
| US5642358A (en) * | 1994-04-08 | 1997-06-24 | Ericsson Inc. | Multiple beamwidth phased array |
| US5621752A (en) * | 1994-06-23 | 1997-04-15 | Qualcomm Incorporated | Adaptive sectorization in a spread spectrum communication system |
-
1995
- 1995-12-07 US US08/568,664 patent/US5909460A/en not_active Expired - Lifetime
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1996
- 1996-11-12 WO PCT/US1996/017739 patent/WO1997021284A1/en not_active Ceased
- 1996-11-12 BR BR9611699A patent/BR9611699A/pt active Search and Examination
- 1996-11-12 CA CA002239513A patent/CA2239513A1/en not_active Abandoned
- 1996-11-12 DE DE69619268T patent/DE69619268T2/de not_active Expired - Lifetime
- 1996-11-12 EP EP96942727A patent/EP0865692B1/en not_active Expired - Lifetime
- 1996-11-12 CN CN96199917A patent/CN1124706C/zh not_active Expired - Fee Related
- 1996-11-12 AU AU11572/97A patent/AU720057B2/en not_active Ceased
- 1996-11-12 KR KR10-1998-0704286A patent/KR100433966B1/ko not_active Expired - Fee Related
- 1996-11-12 JP JP52126397A patent/JP3879935B2/ja not_active Expired - Fee Related
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1999
- 1999-01-19 US US09/232,848 patent/US6404821B1/en not_active Expired - Lifetime
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|---|---|
| DE69619268T2 (de) | 2002-08-22 |
| EP0865692A1 (en) | 1998-09-23 |
| CN1209234A (zh) | 1999-02-24 |
| US6219375B1 (en) | 2001-04-17 |
| US6404821B1 (en) | 2002-06-11 |
| WO1997021284A1 (en) | 1997-06-12 |
| AU1157297A (en) | 1997-06-27 |
| JP2000501907A (ja) | 2000-02-15 |
| CA2239513A1 (en) | 1997-06-12 |
| US5909460A (en) | 1999-06-01 |
| DE69619268D1 (de) | 2002-03-21 |
| BR9611699A (pt) | 1999-02-17 |
| KR100433966B1 (ko) | 2004-08-25 |
| AU720057B2 (en) | 2000-05-25 |
| EP0865692B1 (en) | 2002-02-13 |
| CN1124706C (zh) | 2003-10-15 |
| KR19990071995A (ko) | 1999-09-27 |
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