JP6368729B2 - マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 - Google Patents
マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 Download PDFInfo
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- JP6368729B2 JP6368729B2 JP2016037907A JP2016037907A JP6368729B2 JP 6368729 B2 JP6368729 B2 JP 6368729B2 JP 2016037907 A JP2016037907 A JP 2016037907A JP 2016037907 A JP2016037907 A JP 2016037907A JP 6368729 B2 JP6368729 B2 JP 6368729B2
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- wtru
- signal
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- 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
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- 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
- 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
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
-
- 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
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Description
Claims (10)
- 無線送受信ユニット(WTRU)であって、
送信する前記WTRUのための周波数を示す情報を基地局から受信するように構成された回路を備え、
前記回路は、アンテナ重みを導出し、アップリンク信号を送信するようにさらに構成され、
前記回路は、前記示された周波数を測定し、信号が存在しているかどうかを判定するようにさらに構成され、
前記回路は、前記信号が前記示された周波数において存在していないという条件で、前記アップリンク信号を前記導出されたアンテナ重みで送信するようにさらに構成される、
WTRU。 - 前記回路は、前記信号が前記示された周波数において存在しているという条件で、前記アップリンク信号を前記導出されたアンテナ重みで送信しないようにさらに構成される、請求項1のWTRU。
- 前記アップリンク信号は、前記示された周波数において送信される、請求項1のWTRU。
- 前記信号は、ダウンリンク信号を備える、請求項1のWTRU。
- 前記アンテナ重みは、前記受信された情報から導出される、請求項1のWTRU。
- 無線送受信ユニット(WTRU)で用いる方法あって、
送信する前記WTRUのための周波数を示す情報を基地局から受信することと、
アンテナ重みを導出し、アップリンク信号を送信することと、
前記示された周波数を測定し、信号が存在しているかどうかを判定することと、
前記信号が前記示された周波数において存在していないという条件で、前記アップリンク信号を前記導出されたアンテナ重みで送信することと
を備える方法。 - 前記信号が前記示された周波数において存在しているという条件で、前記アップリンク信号を前記導出されたアンテナ重みで送信しないことをさらに備える、請求項6の方法。
- 前記アップリンク信号は、前記示された周波数において送信される、請求項6の方法。
- 前記信号は、ダウンリンク信号を備える、請求項6の方法。
- 前記アンテナ重みは、前記受信された情報から導出される、請求項6の方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US55796704P | 2004-03-31 | 2004-03-31 | |
US60/557,967 | 2004-03-31 | ||
US11/025,252 US7630688B2 (en) | 2004-03-31 | 2004-12-29 | Mitigation of wireless transmit/receive unit (WTRU) to WTRU interference using multiple antennas or beams |
US11/025,252 | 2004-12-29 |
Related Parent Applications (1)
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JP2012168710A Division JP2012217212A (ja) | 2004-03-31 | 2012-07-30 | マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 |
Publications (3)
Publication Number | Publication Date |
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JP2016119718A JP2016119718A (ja) | 2016-06-30 |
JP2016119718A5 JP2016119718A5 (ja) | 2017-01-12 |
JP6368729B2 true JP6368729B2 (ja) | 2018-08-01 |
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JP2007506203A Pending JP2007532059A (ja) | 2004-03-31 | 2005-03-10 | マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 |
JP2009044792A Pending JP2009135963A (ja) | 2004-03-31 | 2009-02-26 | マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 |
JP2012168710A Pending JP2012217212A (ja) | 2004-03-31 | 2012-07-30 | マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 |
JP2013117217A Expired - Fee Related JP6026958B2 (ja) | 2004-03-31 | 2013-06-03 | マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 |
JP2014261288A Expired - Fee Related JP6027085B2 (ja) | 2004-03-31 | 2014-12-24 | マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 |
JP2016037907A Expired - Fee Related JP6368729B2 (ja) | 2004-03-31 | 2016-02-29 | マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 |
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JP2007506203A Pending JP2007532059A (ja) | 2004-03-31 | 2005-03-10 | マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 |
JP2009044792A Pending JP2009135963A (ja) | 2004-03-31 | 2009-02-26 | マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 |
JP2012168710A Pending JP2012217212A (ja) | 2004-03-31 | 2012-07-30 | マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 |
JP2013117217A Expired - Fee Related JP6026958B2 (ja) | 2004-03-31 | 2013-06-03 | マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 |
JP2014261288A Expired - Fee Related JP6027085B2 (ja) | 2004-03-31 | 2014-12-24 | マルチアンテナまたはマルチビームを用いた無線送受信ユニット−無線送受信ユニット(wtru−wtru)干渉の緩和 |
Country Status (11)
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US (2) | US7630688B2 (ja) |
EP (2) | EP1738564A4 (ja) |
JP (6) | JP2007532059A (ja) |
KR (3) | KR20100054876A (ja) |
CN (1) | CN101124803B (ja) |
AR (2) | AR048352A1 (ja) |
CA (1) | CA2561713C (ja) |
HK (1) | HK1109272A1 (ja) |
NO (1) | NO340372B1 (ja) |
TW (5) | TWI454081B (ja) |
WO (1) | WO2005104503A2 (ja) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7630688B2 (en) * | 2004-03-31 | 2009-12-08 | Interdigital Technology Corporation | Mitigation of wireless transmit/receive unit (WTRU) to WTRU interference using multiple antennas or beams |
KR100706620B1 (ko) * | 2005-05-17 | 2007-04-11 | 한국전자통신연구원 | 스위치 빔을 이용한 초기 동기 시의 빔 선택 방법 |
US20080056201A1 (en) * | 2006-03-22 | 2008-03-06 | Broadcom Corporation, A California Corporation | Interference parameter reporting from client devices to access point for use in modifying wireless operations |
EP1843485B1 (en) | 2006-03-30 | 2016-06-08 | Sony Deutschland Gmbh | Multiple-input multiple-output (MIMO) spatial multiplexing system with dynamic antenna beam combination selection capability |
US8559999B2 (en) * | 2006-05-29 | 2013-10-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel quality prediction in HSDPA systems |
JP4972370B2 (ja) * | 2006-09-21 | 2012-07-11 | 京セラ株式会社 | 無線通信装置及び無線通信方法 |
US20080102768A1 (en) * | 2006-10-25 | 2008-05-01 | Navini Networks, Inc. | Method for Obtaining a Covariance Matrix of a Transmitting Channel in a Wireless Network |
US7995973B2 (en) * | 2008-12-19 | 2011-08-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Own transmitter interference tolerant transceiver and receiving methods |
US8855580B2 (en) * | 2008-06-27 | 2014-10-07 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and apparatus for reducing own-transmitter interference in low-IF and zero-IF receivers |
JP5622735B2 (ja) * | 2008-10-20 | 2014-11-12 | インターデイジタル パテント ホールディングス インコーポレイテッド | キャリア集約 |
EP3627748A1 (en) * | 2008-10-31 | 2020-03-25 | InterDigital Patent Holdings, Inc. | Method and apparatus for utilizing multiple carriers in high speed packet access communications |
US8385281B2 (en) | 2009-01-30 | 2013-02-26 | Interdigital Patent Holdings, Inc. | Method and apparatus for component carrier aggregation in wireless communications |
US8023915B2 (en) * | 2009-03-30 | 2011-09-20 | Mitsubishi Electric Research Laboratories, Inc. | Beamforming in wireless vehicular networks |
US8761117B2 (en) * | 2009-11-30 | 2014-06-24 | Telefonaktiebolaget L M Ericsson (Publ) | Interference mitigation in downlink signal communication to a mobile terminal |
EP2517376B1 (en) * | 2009-12-21 | 2016-11-02 | Telefonaktiebolaget LM Ericsson (publ) | Method for suppressing opposite direction interference |
CN103703826A (zh) * | 2011-07-04 | 2014-04-02 | 瑞典爱立信有限公司 | 无线通信网络中频谱的增强使用 |
KR101800221B1 (ko) * | 2011-08-11 | 2017-11-22 | 삼성전자주식회사 | 무선통신 시스템에서 빔 추적 방법 및 장치 |
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 |
WO2013059451A1 (en) * | 2011-10-19 | 2013-04-25 | Marvell World Trade Ltd | Systems and methods for suppressing interference in a signal received by a device having two or more antennas |
WO2013059566A1 (en) | 2011-10-20 | 2013-04-25 | Marvell World Trade Ltd. | Systems and methods for suppressing interference in a wireless communication system |
WO2014003499A1 (en) * | 2012-06-29 | 2014-01-03 | Samsung Electronics Co., Ltd. | Method and apparatus for beamforming |
WO2014008104A1 (en) * | 2012-07-02 | 2014-01-09 | Intel Corporation | Simultaneous transmit and receive |
JP2014114006A (ja) * | 2012-11-16 | 2014-06-26 | Tokai Rika Co Ltd | タイヤ位置判定装置 |
CN103856306B (zh) | 2012-12-05 | 2017-10-17 | 华为技术有限公司 | 处理干扰的方法及装置 |
US9071474B1 (en) | 2013-07-25 | 2015-06-30 | Marvell International Ltd. | Systems and methods for suppressing interference in a wireless communication system |
US9806827B2 (en) * | 2013-09-13 | 2017-10-31 | Samsung Electronics Co., Ltd. | Computing system with interference cancellation mechanism and method of operation thereof |
EP2930994B1 (en) | 2014-04-07 | 2016-05-18 | Alcatel Lucent | Mitigating UL-to-DL interference |
WO2015169366A1 (en) * | 2014-05-08 | 2015-11-12 | Telefonaktiebolaget L M Ericsson (Publ) | Beam forming using an antenna arrangement |
US9578644B2 (en) | 2014-09-26 | 2017-02-21 | Mediatek Inc. | Beam misalignment detection for wireless communication system with beamforming |
US9917628B2 (en) * | 2015-01-16 | 2018-03-13 | RF DSP Inc. | Beamforming in a MU-MIMO wireless communication system with relays |
US9806781B2 (en) * | 2015-04-29 | 2017-10-31 | Samsung Electronics Co., Ltd. | Codebook design and structure for advanced wireless communication systems |
JP2017059933A (ja) * | 2015-09-15 | 2017-03-23 | 日本電気株式会社 | 通信システム、基地局及びアンテナ制御方法 |
US20170303328A1 (en) * | 2016-04-15 | 2017-10-19 | Intel IP Corporation | Antenna weight vector group identification for wireless communication |
CN109156022B (zh) | 2016-06-22 | 2022-08-09 | 英特尔公司 | 用于全双工调度的通信设备和方法 |
US10333599B2 (en) * | 2016-09-13 | 2019-06-25 | Corning Optical Communications LLC | Antenna array beamforming in a remote unit(s) in a wireless distribution system (WDS) |
KR102470863B1 (ko) | 2018-03-09 | 2022-11-28 | 삼성전자주식회사 | 간섭량 측정 방법 및 장치 |
US20210167929A1 (en) * | 2018-05-30 | 2021-06-03 | Ntt Docomo, Inc. | Communication device |
KR102018254B1 (ko) * | 2018-09-10 | 2019-09-04 | 에스케이텔레콤 주식회사 | 신호전송장치 및 신호 전송방법 |
CN114008857B (zh) * | 2020-03-30 | 2023-10-10 | 华为技术有限公司 | 天线系统以及控制方法、处理器、摄像系统 |
WO2024077211A1 (en) * | 2022-10-07 | 2024-04-11 | Interdigital Patent Holdings, Inc. | Methods, procedures, and devices to improve beam resilience in multi-antenna systems with hybrid beamforming |
Family Cites Families (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2911090B2 (ja) * | 1993-09-29 | 1999-06-23 | エヌ・ティ・ティ移動通信網株式会社 | 移動通信の基地局装置及び移動局装置 |
US5619503A (en) * | 1994-01-11 | 1997-04-08 | Ericsson Inc. | Cellular/satellite communications system with improved frequency re-use |
JP3497672B2 (ja) * | 1996-09-18 | 2004-02-16 | 株式会社東芝 | アダプティブアンテナおよびマルチキャリア無線通信システム |
JP3464606B2 (ja) * | 1998-03-31 | 2003-11-10 | 松下電器産業株式会社 | 無線通信装置及び無線通信方法 |
EP0948082A1 (en) * | 1998-04-03 | 1999-10-06 | Lucent Technologies Inc. | Adaptive antenna |
US6188915B1 (en) * | 1998-05-19 | 2001-02-13 | Harris Corporation | Bootstrapped, piecewise-asymptotic directivity pattern control mechanism setting weighting coefficients of phased array antenna |
KR100272565B1 (ko) * | 1998-06-16 | 2000-11-15 | 서평원 | 역방향 링크의 최적 직교 코드 할당 방법 |
US6229486B1 (en) * | 1998-09-10 | 2001-05-08 | David James Krile | Subscriber based smart antenna |
US6314305B1 (en) * | 1998-12-10 | 2001-11-06 | Lucent Technologies Inc. | Transmitter/receiver for combined adaptive array processing and fixed beam switching |
GB2349045A (en) | 1999-04-16 | 2000-10-18 | Fujitsu Ltd | Base station transmission beam pattern forming; interference reduction |
CA2346714C (en) * | 1999-04-22 | 2007-07-10 | Nippon Telegraph And Telephone Corporation | Receiver for ofdm packet communication system |
US6661832B1 (en) * | 1999-05-11 | 2003-12-09 | Qualcomm Incorporated | System and method for providing an accurate estimation of received signal interference for use in wireless communications systems |
JP3387459B2 (ja) * | 1999-09-30 | 2003-03-17 | 日本電気株式会社 | 電波監視システム、及び電波監視方法 |
CN1336046A (zh) * | 1999-11-10 | 2002-02-13 | 三菱电机株式会社 | 自适应阵列通信系统和接收机 |
US7046678B2 (en) * | 2000-02-18 | 2006-05-16 | At & T Corp. | Channel efficiency based packet scheduling for interactive data in cellular networks |
JP2001237756A (ja) * | 2000-02-25 | 2001-08-31 | Matsushita Electric Ind Co Ltd | アレーアンテナ無線通信装置およびアレーアンテナ無線通信方法 |
US6940845B2 (en) * | 2000-03-23 | 2005-09-06 | At & T, Corp. | Asymmetric measurement-based dynamic packet assignment system and method for wireless data services |
WO2002007342A1 (fr) * | 2000-07-14 | 2002-01-24 | Sanyo Electric Co., Ltd. | Terminal de communication mobile, procede de communication et programme associe |
AU2001269515A1 (en) * | 2000-07-14 | 2002-01-30 | Sanyo Electric Co., Ltd. | Calibration device, adaptive array device, calibration method, program recordingmedium and program |
US6400315B1 (en) * | 2000-07-20 | 2002-06-04 | The Boeing Company | Control system for electronically scanned phased array antennas with a mechanically steered axis |
WO2002047289A1 (fr) * | 2000-12-04 | 2002-06-13 | Mitsubishi Denki Kabushiki Kaisha | Recepteur et procede de reception de synthese |
JP4282227B2 (ja) * | 2000-12-28 | 2009-06-17 | 日本電気株式会社 | ノイズ除去の方法及び装置 |
US20020146044A1 (en) * | 2001-04-09 | 2002-10-10 | Riaz Esmailzadeh | Hybrid single/multiuser interference reduction detector |
JP2002325062A (ja) | 2001-04-25 | 2002-11-08 | Mitsubishi Electric Corp | 移動体通信システム、および移動通信端末装置 |
US6621454B1 (en) * | 2001-05-10 | 2003-09-16 | Vectrad Networks Corporation | Adaptive beam pattern antennas system and method for interference mitigation in point to multipoint RF data transmissions |
JP2003018074A (ja) * | 2001-06-29 | 2003-01-17 | Toshiba Corp | 無線基地局及びビーム制御方法 |
EP1276251B1 (en) * | 2001-07-11 | 2011-05-11 | Sony Deutschland GmbH | Method for calculating a weighting vector for an antenna array |
US7031702B2 (en) * | 2001-09-14 | 2006-04-18 | Atc Technologies, Llc | Additional systems and methods for monitoring terrestrially reused satellite frequencies to reduce potential interference |
KR100566241B1 (ko) * | 2001-11-19 | 2006-03-29 | 삼성전자주식회사 | 이동통신시스템에서 연성 심볼 결합 장치 및 방법 |
CA2415170C (en) * | 2001-12-28 | 2008-07-15 | Ntt Docomo, Inc. | Receiver, transmitter, communication system, and method of communication |
JP3866118B2 (ja) | 2002-02-27 | 2007-01-10 | 日本電信電話株式会社 | 空間分割多重アクセス装置、適応アレーアンテナ基地局、端末およびその制御方法 |
US6687492B1 (en) | 2002-03-01 | 2004-02-03 | Cognio, Inc. | System and method for antenna diversity using joint maximal ratio combining |
JP3600218B2 (ja) * | 2002-03-20 | 2004-12-15 | 三洋電機株式会社 | 無線端末装置、送信指向性制御方法および送信指向性制御プログラム |
US7424268B2 (en) * | 2002-04-22 | 2008-09-09 | Cisco Technology, Inc. | System and method for management of a shared frequency band |
WO2003096710A2 (en) | 2002-05-13 | 2003-11-20 | Interdigital Technology Corporation | Resource allocation to users in slotted code division multiple access systems using beams |
KR100689399B1 (ko) | 2002-05-17 | 2007-03-08 | 삼성전자주식회사 | 이동통신시스템에서 스마트 안테나의 순방향 송신빔 형성장치 및 방법 |
EP1369954A3 (en) * | 2002-06-05 | 2004-10-20 | Fujitsu Limited | Adaptive antenna unit for mobile terminal |
US7339981B2 (en) * | 2002-07-09 | 2008-03-04 | Arraycomm, Llc. | Shifted training sequences in a communications system |
US7236808B2 (en) | 2002-09-09 | 2007-06-26 | Interdigital Technology Corporation | Vertical dynamic beam-forming |
GB2393077A (en) | 2002-09-14 | 2004-03-17 | Roke Manor Research | Aligning a directional antenna towards an access point using location information |
US7412212B2 (en) * | 2002-10-07 | 2008-08-12 | Nokia Corporation | Communication system |
JP2004180038A (ja) * | 2002-11-28 | 2004-06-24 | Nec Infrontia Corp | 無線lanアクセスポイント,無線lanシステム,無線lanアクセスポイントの干渉防止方法 |
JP3930456B2 (ja) | 2003-05-29 | 2007-06-13 | 日本無線株式会社 | アレイアンテナ通信装置 |
US6879829B2 (en) * | 2003-05-16 | 2005-04-12 | Mobile Satellite Ventures, Lp | Systems and methods for handover between space based and terrestrial radioterminal communications, and for monitoring terrestrially reused satellite frequencies at a radioterminal to reduce potential interference |
US7295831B2 (en) * | 2003-08-12 | 2007-11-13 | 3E Technologies International, Inc. | Method and system for wireless intrusion detection prevention and security management |
US7457590B2 (en) * | 2003-12-23 | 2008-11-25 | Motorola, Inc. | Method, apparatus and system for use in the transmission of wireless communications using multiple antennas |
US7782987B2 (en) * | 2004-03-12 | 2010-08-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for received signal quality estimation |
US7630688B2 (en) * | 2004-03-31 | 2009-12-08 | Interdigital Technology Corporation | Mitigation of wireless transmit/receive unit (WTRU) to WTRU interference using multiple antennas or beams |
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