JP2012217212A - 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
- Publication number
- JP2012217212A JP2012217212A JP2012168710A JP2012168710A JP2012217212A JP 2012217212 A JP2012217212 A JP 2012217212A JP 2012168710 A JP2012168710 A JP 2012168710A JP 2012168710 A JP2012168710 A JP 2012168710A JP 2012217212 A JP2012217212 A JP 2012217212A
- Authority
- JP
- Japan
- Prior art keywords
- wtru
- interference
- frequency
- antenna
- beam pattern
- 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.)
- Pending
Links
Images
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
- H04B7/06—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
- H04B7/0408—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
-
- 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
Abstract
【解決手段】無線通信におけるWTRU−WTRU干渉を減らす方法は、第1のWTRUから第1のアップリンク周波数で送信するステップと、第1のWTRUにて第1のダウンリンク周波数で受信するステップと、第1のWTRUの信号環境のスペクトル配置に関連する情報を第1のWTRUにて受信するステップと、別のWTRUの位置を判定するために第2のアップリンク周波数をモニタするステップと、第1のWTRUからの送信が別のWTRUの方向以外の方向であるように、送信ビームパターンを選択するステップを備える。当該情報は別のWTRUによって使用される第2のアップリンク周波数を含む。
【選択図】図3
Description
Claims (12)
- 無線通信における無線送受信ユニット(WTRU)−WTRU干渉を減らす方法であって、
前記方法は、
第1のWTRUから第1のアップリンク周波数で送信するステップと、
前記第1のWTRUにて第1のダウンリンク周波数で受信するステップと、
前記第1のWTRUの信号環境のスペクトル配置に関連する情報を前記第1のWTRUにて受信するステップであって、前記情報は別のWTRUによって使用される第2のアップリンク周波数を含む、ステップと、
別のWTRUの位置を判定するために前記第2のアップリンク周波数をモニタするステップと、
前記第1のWTRUからの送信が前記別のWTRUの方向以外の方向であるように、送信ビームパターンを選択するステップと
を備えることを特徴する方法。 - 前記第2のアップリンク周波数をモニタするステップは、前記第2のアップリンク周波数で受信される高エネルギ信号を識別するステップを備えることを特徴とする請求項1に記載の方法。
- 前記送信ビームパターンは、予め定められた送信ビームから選択されることを特徴とする請求項1に記載の方法。
- 前記送信ビームパターンを生成するために、アンテナ重みを複数のアンテナ素子に適用するステップをさらに備えることを特徴とする請求項1に記載の方法。
- 前記送信ビームパターンは、前記別のWTRUに向けてヌルを向けることを特徴とする請求項1に記載の方法。
- 前記信号環境のスペクトル配置に関連する情報は、スペクトル的に前記WTRUのダウンリンク周波数の近隣にあるアップリンク周波数を有する別のWTRUに関連する情報を含むことを特徴とする請求項1に記載の方法。
- 無線通信におけるWTRU−WTRU干渉を減らすように構成されるWTRU(無線送受信ユニット)であって、
データ送信と、別のWTRUが送信している周波数を含む、前記WTRUの環境のスペクトル配置に関連する情報とを受信するように構成される受信器と、
別のWTRUが送信している周波数で受信される信号を処理し、前記別のWTRUの方向を判定するように構成される信号プロセッサと、
前記別のWTRUが送信している周波数で受信される信号に基づいてアンテナ重みを計算するように構成される信号重み付けユニットと、
適応アンテナアレイと、
前記別のWTRUの方向以外の方向で、送信ビームパターンでデータを送信するように構成される送信器と
を備えることを特徴するWTRU。 - 前記別のWTRUの方向は、前記別のWTRUが送信している周波数で受信される高エネルギ信号を識別することに基づいて決定されることを特徴とする請求項7に記載のWTRU。
- 前記送信ビームパターンは、予め定められた送信ビームから選択されることを特徴とする請求項7に記載のWTRU。
- 前記送信ビームパターンを生成するために、アンテナ重みを複数のアンテナ素子に適用することを特徴とする請求項7に記載のWTRU。
- 前記送信ビームパターンは、前記別のWTRUに向けてヌルを向けることを特徴とする請求項7に記載のWTRU。
- 前記別のWTRUがスペクトル的に前記WTRUのダウンリンク周波数の近隣にあるアップリンク周波数で送信している場合に、前記WTRUは、前記別のWTRUの方向以外の方向でビームパターンを送信することを特徴とする請求項7に記載のWTRU。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009044792A Division 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 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013117217A Division 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 |
JP2016037907A Division 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 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2012217212A true JP2012217212A (ja) | 2012-11-08 |
Family
ID=35055056
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Country Status (11)
Country | Link |
---|---|
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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013201772A (ja) * | 2004-03-31 | 2013-10-03 | Interdigital Technology Corp | 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 |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001103018A (ja) * | 1999-09-30 | 2001-04-13 | Nec Corp | 電波監視システム、及び電波監視方法 |
JP2003018074A (ja) * | 2001-06-29 | 2003-01-17 | Toshiba Corp | 無線基地局及びビーム制御方法 |
JP2003283466A (ja) * | 2002-03-20 | 2003-10-03 | Sanyo Electric Co Ltd | 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 |
Family Cites Families (45)
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 |
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 |
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 |
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 |
-
2004
- 2004-12-29 US US11/025,252 patent/US7630688B2/en not_active Expired - Fee Related
-
2005
- 2005-03-10 EP EP05725282A patent/EP1738564A4/en not_active Withdrawn
- 2005-03-10 KR KR1020107008981A patent/KR20100054876A/ko active Search and Examination
- 2005-03-10 TW TW101118078A patent/TWI454081B/zh not_active IP Right Cessation
- 2005-03-10 KR KR1020067021409A patent/KR20060131993A/ko not_active Application Discontinuation
- 2005-03-10 TW TW103115738A patent/TWI533638B/zh not_active IP Right Cessation
- 2005-03-10 TW TW094131743A patent/TWI350076B/zh not_active IP Right Cessation
- 2005-03-10 TW TW097108405A patent/TWI377800B/zh not_active IP Right Cessation
- 2005-03-10 CA CA2561713A patent/CA2561713C/en not_active Expired - Fee Related
- 2005-03-10 KR KR1020067022591A patent/KR20060130770A/ko active Search and Examination
- 2005-03-10 WO PCT/US2005/008023 patent/WO2005104503A2/en active Search and Examination
- 2005-03-10 TW TW094107353A patent/TWI260933B/zh not_active IP Right Cessation
- 2005-03-10 JP JP2007506203A patent/JP2007532059A/ja active Pending
- 2005-03-10 CN CN2005800102288A patent/CN101124803B/zh not_active Expired - Fee Related
- 2005-03-10 EP EP11187124A patent/EP2413515A3/en not_active Withdrawn
- 2005-03-30 AR ARP050101246A patent/AR048352A1/es active IP Right Grant
-
2006
- 2006-10-25 NO NO20064846A patent/NO340372B1/no not_active IP Right Cessation
-
2008
- 2008-03-26 HK HK08103335.0A patent/HK1109272A1/xx not_active IP Right Cessation
-
2009
- 2009-01-09 AR ARP090100059A patent/AR070131A2/es unknown
- 2009-02-26 JP JP2009044792A patent/JP2009135963A/ja active Pending
- 2009-12-07 US US12/632,420 patent/US7835700B2/en not_active Expired - Fee Related
-
2012
- 2012-07-30 JP JP2012168710A patent/JP2012217212A/ja active Pending
-
2013
- 2013-06-03 JP JP2013117217A patent/JP6026958B2/ja not_active Expired - Fee Related
-
2014
- 2014-12-24 JP JP2014261288A patent/JP6027085B2/ja not_active Expired - Fee Related
-
2016
- 2016-02-29 JP JP2016037907A patent/JP6368729B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001103018A (ja) * | 1999-09-30 | 2001-04-13 | Nec Corp | 電波監視システム、及び電波監視方法 |
JP2003018074A (ja) * | 2001-06-29 | 2003-01-17 | Toshiba Corp | 無線基地局及びビーム制御方法 |
JP2003283466A (ja) * | 2002-03-20 | 2003-10-03 | Sanyo Electric Co Ltd | 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 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013201772A (ja) * | 2004-03-31 | 2013-10-03 | Interdigital Technology Corp | 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 |
JP2015057929A (ja) * | 2004-03-31 | 2015-03-26 | インターデイジタル テクノロジー コーポレーション | 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 |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6368729B2 (ja) | 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 | |
KR100817620B1 (ko) | 수신 소정 신호를 이용한 안테나 어레이 적응 방법 및 장치 | |
US11134395B2 (en) | Adaptive antenna configuration | |
EP1334633B1 (en) | Mode switching in adaptive array communications systems | |
CA2542445A1 (en) | Adaptive multi-beam system | |
JPH08274687A (ja) | Cdma無線伝送装置およびcdma無線伝送システム | |
US20030017853A1 (en) | Method and apparatus for enhancing the data transmission capacity of a wireless communication system | |
JP3370621B2 (ja) | 移動通信用基地局アンテナ装置 | |
EP1407558A1 (en) | Method and apparatus for enhancing the data transmission capacity of a wireless communication system | |
JP3832083B2 (ja) | 基地局アンテナ装置 | |
MXPA06011246A (en) | Mitigation of wireless transmit/receive unit (wtru) to wtru interference using multiple antennas or beams | |
Hugl et al. | Performance of downlink nulling for combined packet/circuit switched systems |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20120829 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20131030 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20140219 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20140224 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140729 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20141029 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150120 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20150420 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20151027 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20161129 |