BR0208311A - Comunicações sem fio com um arranjo de antena adaptativa - Google Patents
Comunicações sem fio com um arranjo de antena adaptativaInfo
- Publication number
- BR0208311A BR0208311A BR0208311-6A BR0208311A BR0208311A BR 0208311 A BR0208311 A BR 0208311A BR 0208311 A BR0208311 A BR 0208311A BR 0208311 A BR0208311 A BR 0208311A
- Authority
- BR
- Brazil
- Prior art keywords
- adaptive antenna
- wireless communications
- antenna array
- signal
- demodulation
- Prior art date
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
-
- 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
- H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity
-
- 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
- H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
Abstract
"COMUNICAçõES SEM FIO COM UM ARRANJO DE ANTENA ADAPTATIVO". Sistemas e técnicas para demodulação em paralelo e busca usando um arranjo de antena adaptativo com um processador configurado para controlar a antena adaptativa para buscar por um primeiro sinal com o primeiro feixe e para receber um segundo sinal para demodulação com um segundo feixe.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/816,559 US7340279B2 (en) | 2001-03-23 | 2001-03-23 | Wireless communications with an adaptive antenna array |
PCT/US2002/008732 WO2002078372A2 (en) | 2001-03-23 | 2002-03-22 | Wireless communications with an adaptive antenna array |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0208311A true BR0208311A (pt) | 2005-04-19 |
Family
ID=25220966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0208311-6A BR0208311A (pt) | 2001-03-23 | 2002-03-22 | Comunicações sem fio com um arranjo de antena adaptativa |
Country Status (10)
Country | Link |
---|---|
US (1) | US7340279B2 (pt) |
EP (1) | EP1382132A2 (pt) |
JP (1) | JP4422410B2 (pt) |
KR (1) | KR100883943B1 (pt) |
CN (1) | CN100334816C (pt) |
AU (1) | AU2002309505A1 (pt) |
BR (1) | BR0208311A (pt) |
HK (1) | HK1073021A1 (pt) |
TW (1) | TW561727B (pt) |
WO (1) | WO2002078372A2 (pt) |
Families Citing this family (84)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1149754C (zh) * | 2000-05-26 | 2004-05-12 | 松下电器产业株式会社 | 基站装置和分组发送方法 |
US6889057B2 (en) * | 2001-04-20 | 2005-05-03 | Sony Corporation | PDA cradle for wireless IP communication |
US6862456B2 (en) * | 2002-03-01 | 2005-03-01 | Cognio, Inc. | Systems and methods for improving range for multicast wireless communication |
US6687492B1 (en) * | 2002-03-01 | 2004-02-03 | Cognio, Inc. | System and method for antenna diversity using joint maximal ratio combining |
US6785520B2 (en) | 2002-03-01 | 2004-08-31 | Cognio, Inc. | System and method for antenna diversity using equal power joint maximal ratio combining |
AU2003219882A1 (en) * | 2002-03-01 | 2003-09-16 | Cognio, Inc. | System and method for joint maximal ratio combining |
CA2482424A1 (en) * | 2002-03-08 | 2003-09-18 | James A. Proctor, Jr. | Antenna adaptation to manage the active set to manipulate soft hand-off regions |
US6871049B2 (en) * | 2002-03-21 | 2005-03-22 | Cognio, Inc. | Improving the efficiency of power amplifiers in devices using transmit beamforming |
US8412106B2 (en) * | 2002-11-04 | 2013-04-02 | Xr Communications, Llc | Directed wireless communication |
US7174170B2 (en) * | 2003-02-12 | 2007-02-06 | Nortel Networks Limited | Self-selection of radio frequency channels to reduce co-channel and adjacent channel interference in a wireless distributed network |
KR20100006576A (ko) * | 2003-11-24 | 2010-01-19 | 인터디지탈 테크날러지 코포레이션 | 무선 송/수신 유닛에서 지향성 빔 안테나를 이용하기 위한 방법 및 장치 |
US7079843B2 (en) * | 2003-12-23 | 2006-07-18 | Interdigital Technology Corporation | Method and apparatus for supporting a soft handoff by establishing a cell set used to facilitate antenna beam mode transitions in a mobile station |
US7295811B2 (en) * | 2004-02-05 | 2007-11-13 | Interdigital Technology Corporation | Method for performing measurements for handoff of a mobile unit operating with a switched beam antenna in a wireless communication system, and corresponding system |
US7340254B2 (en) * | 2004-02-05 | 2008-03-04 | Interdigital Technology Corporation | Measurement opportunities for a mobile unit operating with a switched beam antenna in a CDMA system |
US7308264B2 (en) * | 2004-02-05 | 2007-12-11 | Interdigital Technology Corporation | Method for identifying pre-candidate cells for a mobile unit operating with a switched beam antenna in a wireless communication system, and corresponding system |
US7274936B2 (en) * | 2004-02-06 | 2007-09-25 | Interdigital Technology Corporation | Method and apparatus for measuring channel quality using a smart antenna in a wireless transmit/receive unit |
US7324817B2 (en) * | 2004-02-07 | 2008-01-29 | Interdigital Technology Corporation | Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using directional beams and an omni-directional beam pattern |
JP4151613B2 (ja) | 2004-05-31 | 2008-09-17 | 日本電気株式会社 | 無線通信システムおよびその通信方法 |
US7865132B2 (en) * | 2004-07-20 | 2011-01-04 | Rockwell Collins, Inc. | Method and apparatus for interacting with a communications system using radiated power adjusted according to an estimation of link-loss |
US8503328B2 (en) * | 2004-09-01 | 2013-08-06 | Qualcomm Incorporated | Methods and apparatus for transmission of configuration information in a wireless communication network |
WO2006105316A2 (en) * | 2005-03-29 | 2006-10-05 | Qualcomm Incorporated | Technique for facilitating communication handoffs by directing a directional antenna in the direction of the communication device |
US7379750B2 (en) * | 2005-03-29 | 2008-05-27 | Qualcomm Incorporated | Communications handoff using an adaptive antenna |
US7610025B2 (en) * | 2005-03-29 | 2009-10-27 | Qualcomm Incorporated | Antenna array pattern distortion mitigation |
US8825108B2 (en) | 2005-04-06 | 2014-09-02 | Qwest Communications International Inc. | Call handling on dual-mode wireless handsets |
US8989813B2 (en) | 2005-04-06 | 2015-03-24 | Qwest Communications International Inc. | Handset registration in a dual-mode environment |
US8280309B2 (en) * | 2005-04-08 | 2012-10-02 | The Boeing Company | Soft handoff method and apparatus for mobile vehicles using directional antennas |
US9306657B2 (en) * | 2005-04-08 | 2016-04-05 | The Boeing Company | Soft handoff method and apparatus for mobile vehicles using directional antennas |
US7567807B2 (en) * | 2005-04-21 | 2009-07-28 | Kyocera Wireless Corp. | Apparatus and method for performing handoff with a mobile station having a smart antenna |
US7710319B2 (en) * | 2006-02-14 | 2010-05-04 | Sibeam, Inc. | Adaptive beam-steering methods to maximize wireless link budget and reduce delay-spread using multiple transmit and receive antennas |
WO2008002224A1 (en) * | 2006-06-26 | 2008-01-03 | Telefonaktiebolaget L M Ericsson (Publ) | A method and apparatus to optimize the choice of communication link in a wireless network with mimo |
US8229506B2 (en) * | 2007-01-04 | 2012-07-24 | At&T Intellectual Property I, L.P. | Enhanced connection acquisition using an array antenna |
JP5376762B2 (ja) * | 2007-02-07 | 2013-12-25 | 日本無線株式会社 | 衛星信号の雑音推定装置、信号対雑音比演算装置及び衛星信号受信装置 |
CN101796740A (zh) * | 2007-09-06 | 2010-08-04 | 富士通株式会社 | 使用自适应多天线的移动通信系统 |
US8160498B2 (en) * | 2007-12-12 | 2012-04-17 | Broadcom Corporation | Method and system for portable data storage with integrated 60 GHz radio |
WO2009080101A1 (en) * | 2007-12-20 | 2009-07-02 | Telefonaktiebolaget Lm Ericsson (Publ) | An improved antenna arrangement in an electronic device |
US8971816B2 (en) | 2008-01-31 | 2015-03-03 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement for assisting in direction adjustment of a directional antenna |
KR101495220B1 (ko) * | 2008-05-19 | 2015-02-25 | 에스케이텔레콤 주식회사 | 이동 통신망에서 커버리지 홀 제거 방법과 서버 |
US9787371B2 (en) * | 2008-11-12 | 2017-10-10 | Qualcomm, Incorporated | Method and apparatus for directional channel access in a wireless communications system |
US20110007721A1 (en) * | 2009-07-10 | 2011-01-13 | Qualcomm Incorporated | Method for directional association |
KR101839808B1 (ko) * | 2011-08-24 | 2018-04-26 | 삼성전자주식회사 | 이동 단말기 및 그 통신방법, 기지국 컨트롤 장치 및 그 컨트롤 방법, 및 그것을 이용하는 다중 협력 송수신 시스템 및 그 방법 |
EP2749070B1 (en) | 2011-08-24 | 2020-03-04 | Empire Technology Development LLC | Network coverage by cycling through beam shape coverage configurations |
US9749935B2 (en) * | 2012-03-09 | 2017-08-29 | Samsung Electronics Co., Ltd. | Methods and apparatus for cell scanning in system with large number of antennas |
US9456354B2 (en) | 2012-04-12 | 2016-09-27 | Tarana Wireless, Inc. | Non-line of sight wireless communication system and method |
US9325409B1 (en) | 2012-04-12 | 2016-04-26 | Tarana Wireless, Inc. | Non-line of sight wireless communication system and method |
US9735940B1 (en) | 2012-04-12 | 2017-08-15 | Tarana Wireless, Inc. | System architecture for optimizing the capacity of adaptive array systems |
US9252908B1 (en) | 2012-04-12 | 2016-02-02 | Tarana Wireless, Inc. | Non-line of sight wireless communication system and method |
US9882950B2 (en) | 2012-06-13 | 2018-01-30 | All Purpose Networks LLC | Methods and systems of an all purpose broadband network |
US9137675B2 (en) | 2012-06-13 | 2015-09-15 | All Purpose Networks LLC | Operational constraints in LTE TDD systems using RF agile beam forming techniques |
US9084143B2 (en) | 2012-06-13 | 2015-07-14 | All Purpose Networks LLC | Network migration queuing service in a wireless network |
US9219541B2 (en) | 2012-06-13 | 2015-12-22 | All Purpose Networks LLC | Baseband data transmission and reception in an LTE wireless base station employing periodically scanning RF beam forming techniques |
US8565689B1 (en) | 2012-06-13 | 2013-10-22 | All Purpose Networks LLC | Optimized broadband wireless network performance through base station application server |
US9503927B2 (en) | 2012-06-13 | 2016-11-22 | All Purpose Networks LLC | Multiple-use wireless network |
US9125064B2 (en) * | 2012-06-13 | 2015-09-01 | All Purpose Networks LLC | Efficient reduction of inter-cell interference using RF agile beam forming techniques |
US9179392B2 (en) | 2012-06-13 | 2015-11-03 | All Purpose Networks LLC | Efficient delivery of real-time asynchronous services over a wireless network |
US9179352B2 (en) | 2012-06-13 | 2015-11-03 | All Purpose Networks LLC | Efficient delivery of real-time synchronous services over a wireless network |
WO2014113974A1 (zh) * | 2013-01-25 | 2014-07-31 | 华为技术有限公司 | 波束选择的方法和基站 |
US10110270B2 (en) | 2013-03-14 | 2018-10-23 | Tarana Wireless, Inc. | Precision array processing using semi-coherent transceivers |
US10499456B1 (en) | 2013-03-15 | 2019-12-03 | Tarana Wireless, Inc. | Distributed capacity base station architecture for broadband access with enhanced in-band GPS co-existence |
JP6012524B2 (ja) * | 2013-03-25 | 2016-10-25 | Kddi株式会社 | アンテナ装置、アンテナ指向性制御方法およびコンピュータプログラム |
WO2014161566A1 (en) * | 2013-04-02 | 2014-10-09 | Telefonaktiebolaget L M Ericsson (Publ) | A radio antenna alignment tool |
US9532280B2 (en) * | 2013-11-05 | 2016-12-27 | Samsung Electronics Co., Ltd. | Electronic system with search mechanism and method of operation thereof |
US10348394B1 (en) | 2014-03-14 | 2019-07-09 | Tarana Wireless, Inc. | System architecture and method for enhancing wireless networks with mini-satellites and pseudollites and adaptive antenna processing |
WO2015144233A1 (en) * | 2014-03-27 | 2015-10-01 | Telefonaktiebolaget L M Ericsson (Publ) | A beam forming receiver |
US9578644B2 (en) * | 2014-09-26 | 2017-02-21 | Mediatek Inc. | Beam misalignment detection for wireless communication system with beamforming |
US9763162B2 (en) * | 2015-01-30 | 2017-09-12 | Telefonaktiebolaget L M Ericsson (Publ) | Cell detection in a cellular communications network |
US9762343B2 (en) | 2015-01-30 | 2017-09-12 | Telefonaktiebolaget L M Ericsson (Publ) | Interference rejection for improved cell detection |
JP6375985B2 (ja) * | 2015-02-13 | 2018-08-22 | オムロン株式会社 | 無線通信制御システム、無線通信制御装置、無線通信制御方法、指向性情報生成方法、および無線機 |
CN107534476B (zh) | 2015-04-20 | 2021-02-05 | 瑞典爱立信有限公司 | 用于广播传送和接收的方法和装置 |
US9509427B2 (en) | 2015-04-22 | 2016-11-29 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive suppression of unknown interference |
US10462732B2 (en) | 2015-05-13 | 2019-10-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Beamforming |
US10205491B2 (en) * | 2015-09-28 | 2019-02-12 | Futurewei Technologies, Inc. | System and method for large scale multiple input multiple output communications |
CN107181517B (zh) * | 2016-03-09 | 2021-06-15 | 中兴通讯股份有限公司 | 波束搜索方法及装置 |
CN107508626A (zh) * | 2016-06-14 | 2017-12-22 | 景略半导体(上海)有限公司 | 信号追踪接收方法及系统 |
WO2018067059A1 (en) * | 2016-10-07 | 2018-04-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and arrangements relating to provision of beam coverage for a communication device operating in a wireless communication network |
US20180269956A1 (en) * | 2017-03-14 | 2018-09-20 | Qualcomm Incorporated | Techniques and apparatuses for beam management |
US10447374B2 (en) | 2017-06-28 | 2019-10-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Beam sweep or scan in a wireless communication system |
EP3662370B1 (en) | 2018-01-08 | 2023-12-27 | All Purpose Networks, Inc. | Internet of things system with efficient and secure communications network |
WO2020101747A1 (en) | 2018-01-08 | 2020-05-22 | All Purpose Networks, Inc. | Publish-subscribe broker network overlay system |
US10754070B2 (en) | 2018-12-05 | 2020-08-25 | International Business Machines Corporation | Microlens array assembling process |
US10690867B1 (en) * | 2019-02-12 | 2020-06-23 | International Business Machines Corporation | Optical device with adhesive connection of recess or side protrusion |
US11658726B2 (en) * | 2019-05-08 | 2023-05-23 | Apple Inc. | Beam tracking using downlink data reception and motion sensing information |
JP6814311B2 (ja) * | 2020-01-08 | 2021-01-13 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | ビーム形成 |
US11658755B2 (en) | 2021-03-05 | 2023-05-23 | Perspecta Labs Inc. | Interference mitigation in multi-antenna system |
CN116192241B (zh) * | 2023-04-24 | 2023-06-23 | 银河航天(北京)通信技术有限公司 | 卫星波束切换系统及方法、波束调度模块 |
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-
2001
- 2001-03-23 US US09/816,559 patent/US7340279B2/en not_active Expired - Lifetime
-
2002
- 2002-03-18 TW TW091105068A patent/TW561727B/zh not_active IP Right Cessation
- 2002-03-22 CN CNB028090748A patent/CN100334816C/zh not_active Expired - Fee Related
- 2002-03-22 WO PCT/US2002/008732 patent/WO2002078372A2/en active Application Filing
- 2002-03-22 BR BR0208311-6A patent/BR0208311A/pt not_active IP Right Cessation
- 2002-03-22 AU AU2002309505A patent/AU2002309505A1/en not_active Abandoned
- 2002-03-22 KR KR1020037012421A patent/KR100883943B1/ko not_active IP Right Cessation
- 2002-03-22 EP EP02736504A patent/EP1382132A2/en not_active Withdrawn
- 2002-03-22 JP JP2002576462A patent/JP4422410B2/ja not_active Expired - Fee Related
-
2005
- 2005-06-30 HK HK05105545A patent/HK1073021A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US7340279B2 (en) | 2008-03-04 |
AU2002309505A1 (en) | 2002-10-08 |
WO2002078372A3 (en) | 2003-11-13 |
US20020137538A1 (en) | 2002-09-26 |
HK1073021A1 (en) | 2005-09-16 |
CN1593020A (zh) | 2005-03-09 |
JP4422410B2 (ja) | 2010-02-24 |
EP1382132A2 (en) | 2004-01-21 |
WO2002078372A2 (en) | 2002-10-03 |
KR20040052494A (ko) | 2004-06-23 |
JP2005509309A (ja) | 2005-04-07 |
TW561727B (en) | 2003-11-11 |
KR100883943B1 (ko) | 2009-02-18 |
CN100334816C (zh) | 2007-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
B11N | Dismissal: publication cancelled [chapter 11.14 patent gazette] |
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