JP2015057920A - 無線通信システムにおけるスマートアンテナに対する測定サポート - Google Patents
無線通信システムにおけるスマートアンテナに対する測定サポート Download PDFInfo
- Publication number
- JP2015057920A JP2015057920A JP2014235719A JP2014235719A JP2015057920A JP 2015057920 A JP2015057920 A JP 2015057920A JP 2014235719 A JP2014235719 A JP 2014235719A JP 2014235719 A JP2014235719 A JP 2014235719A JP 2015057920 A JP2015057920 A JP 2015057920A
- Authority
- JP
- Japan
- Prior art keywords
- measurement
- sta
- packet
- antenna
- packets
- 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.)
- Granted
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 289
- 238000004891 communication Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 description 18
- 230000008859 change Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- OVGWMUWIRHGGJP-WTODYLRWSA-N (z)-7-[(1r,3s,4s,5r)-3-[(e,3r)-3-hydroxyoct-1-enyl]-6-thiabicyclo[3.1.1]heptan-4-yl]hept-5-enoic acid Chemical compound OC(=O)CCC\C=C/C[C@H]1[C@H](/C=C/[C@H](O)CCCCC)C[C@H]2S[C@@H]1C2 OVGWMUWIRHGGJP-WTODYLRWSA-N 0.000 description 1
- 101100366889 Caenorhabditis elegans sta-2 gene Proteins 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 230000007727 signaling mechanism Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/42—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means using frequency-mixing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
-
- 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
- H04B7/0613—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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
-
- 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
- H04B7/0619—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 using feedback from receiving side
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Abstract
Description
1.複数のSTAを有する無線(ワイヤレス)通信システムにおいてスマートアンテナを用いて測定を行なう方法であって、該方法は、測定要求を第1のSTAから第2のSTAに送信するステップと、少なくとも2つの測定パケットを第2のSTAから第1のSTAに連続的にまたは同時に送信するステップと、各測定パケットを異なるアンテナビームを使用して第1のSTAにおいて受信するステップと、各測定パケットについて第1のSTAにおいて測定を実行するステップと、測定結果に基づいてアンテナビーム方向を第1のSTAにおいて選択するステップと、を含むことを特徴としている。
Claims (13)
- ワイヤレス通信においてアンテナ選択のために第1のステーション(STA)で用いる方法であって、前記方法は、
測定パケットの要求された数の表示を含む測定要求パケットを第2のSTAに送信することと、
前記第1のSTAにて、前記要求された数の測定パケット受信することであって、前記第1のSTAは、それぞれの測定パケットのために異なる受信ビームを使用する、ことと、
前記第1のSTAにて、前記受信された測定パケットのそれぞれを測定することと、
前記受信された測定パケットのそれぞれの前記測定に基づいてビームを選択することと
を備える方法。 - 前記受信された測定パケットのそれぞれは、それぞれの短フレーム間隔の後受信される、請求項1の方法。
- 前記測定要求パケットは、測定パケットの前記要求された数の前記表示を提供するフィールドを備える、請求項1の方法。
- それぞれの測定パケットは、シーケンス情報を含む、請求項1の方法。
- 前記第2のSTAからACKを受信することであって、前記ACKは、前記測定要求パケットに関連付けられている、ことをさらに備える、請求項1の方法。
- 前記ACKは、短フレーム間隔(SIFS)の後、受信される、請求項5の方法。
- 第1のステーション(STA)であって、
測定パケットの要求された数の表示を含む測定要求パケットを第2のSTAに送信し、
前記第1のSTAにて、前記要求された数の測定パケット受信し、前記第1のSTAは、それぞれの測定パケットのために異なる受信ビームを使用し、
前記受信された測定パケットのそれぞれを測定し、
前記受信された測定パケットのそれぞれの前記測定に基づいてビームを選択する
ように構成されたプロセッサを備えた第1のSTA。 - 前記それぞれの測定パケットは、それぞれの短フレーム間隔(SIFS)の後、受信される、請求項7の第1のSTA。
- 前記測定要求パケットは、測定パケットの前記要求された数の前記表示を提供するフィールドを備える、請求項7の第1のSTA。
- それぞれの測定パケットは、シーケンス情報を含む、請求項7の第1のSTA。
- 前記プロセッサは、前記第2のSTAからACKを受信するようにさらに構成され、前記ACKは、前記測定要求パケットに関連付けられている、請求項7の第1のSTA。
- 前記ACKは、短フレーム間隔(SIFS)の後、受信される、請求項11の第1のSTA。
- ステーション(STA)であって、
送信STAから、受信パケットの数を示すフィールドを含む測定要求パケットと、
前記送信STAの第1のアンテナから送信された第1の測定パケットと、
前記第1の測定パケットを受信した後、前記送信STAの第2のアンテナから送信された第2の測定パケットと
を受信するように構成されたアンテナと、
前記第1の測定パケットおよび前記第2の測定パケットのそれぞれを測定し、および前記第1のアンテナまたは前記第2のアンテナを選択するために前記送信STAによって使用可能な測定レポートを生成するように構成されたプロセッサと、
前記測定レポートを前記送信STAに送信するように構成された送受信機と
を備えたSTA。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60921204P | 2004-09-10 | 2004-09-10 | |
US60/609,212 | 2004-09-10 | ||
US11/022,709 US8995921B2 (en) | 2004-09-10 | 2004-12-27 | Measurement support for a smart antenna in a wireless communication system |
US11/022,709 | 2004-12-27 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011116029A Division JP2011188522A (ja) | 2004-09-10 | 2011-05-24 | 無線通信システムにおけるスマートアンテナに対する測定サポート |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015057920A true JP2015057920A (ja) | 2015-03-26 |
JP5905561B2 JP5905561B2 (ja) | 2016-04-20 |
Family
ID=35853932
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007531259A Expired - Fee Related JP5226313B2 (ja) | 2004-09-10 | 2005-09-07 | 無線通信システムにおけるスマートアンテナに対する測定サポート |
JP2011116029A Pending JP2011188522A (ja) | 2004-09-10 | 2011-05-24 | 無線通信システムにおけるスマートアンテナに対する測定サポート |
JP2013041972A Pending JP2013102553A (ja) | 2004-09-10 | 2013-03-04 | 無線通信システムにおけるスマートアンテナに対する測定サポート |
JP2014235719A Active JP5905561B2 (ja) | 2004-09-10 | 2014-11-20 | 無線通信システムにおけるスマートアンテナに対する測定サポート |
JP2015160190A Pending JP2015228698A (ja) | 2004-09-10 | 2015-08-14 | 無線通信システムにおけるスマートアンテナに対する測定サポート |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007531259A Expired - Fee Related JP5226313B2 (ja) | 2004-09-10 | 2005-09-07 | 無線通信システムにおけるスマートアンテナに対する測定サポート |
JP2011116029A Pending JP2011188522A (ja) | 2004-09-10 | 2011-05-24 | 無線通信システムにおけるスマートアンテナに対する測定サポート |
JP2013041972A Pending JP2013102553A (ja) | 2004-09-10 | 2013-03-04 | 無線通信システムにおけるスマートアンテナに対する測定サポート |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015160190A Pending JP2015228698A (ja) | 2004-09-10 | 2015-08-14 | 無線通信システムにおけるスマートアンテナに対する測定サポート |
Country Status (19)
Country | Link |
---|---|
US (3) | US8995921B2 (ja) |
EP (2) | EP3168931B1 (ja) |
JP (5) | JP5226313B2 (ja) |
KR (10) | KR20060074817A (ja) |
CN (1) | CN102355312B (ja) |
AR (2) | AR050734A1 (ja) |
AU (2) | AU2005285278B2 (ja) |
BR (1) | BRPI0515638A (ja) |
CA (1) | CA2580016C (ja) |
DE (1) | DE202005014253U1 (ja) |
ES (1) | ES2620736T3 (ja) |
GE (1) | GEP20115321B (ja) |
IL (1) | IL181823A (ja) |
MX (1) | MX2007002810A (ja) |
MY (1) | MY151827A (ja) |
NO (1) | NO341652B1 (ja) |
SG (1) | SG155238A1 (ja) |
TW (5) | TW201338271A (ja) |
WO (1) | WO2006031499A2 (ja) |
Families Citing this family (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7181182B2 (en) * | 2004-03-17 | 2007-02-20 | Interdigital Technology Corporation | Method for steering a smart antenna for a WLAN using a self-monitored re-scan |
US7200376B2 (en) * | 2004-03-17 | 2007-04-03 | Interdigital Technology Corporation | Method for steering smart antenna beams for a WLAN using MAC layer functions |
US7304975B2 (en) * | 2004-08-16 | 2007-12-04 | Freescale Semiconductor, Inc. | Method for providing rapid delayed frame acknowledgement in a wireless transceiver |
US8995921B2 (en) | 2004-09-10 | 2015-03-31 | Interdigital Technology Corporation | Measurement support for a smart antenna in a wireless communication system |
US8433355B2 (en) * | 2005-04-21 | 2013-04-30 | Interdigital Technology Corporation | Method and apparatus for generating loud packets to estimate path loss |
KR101225081B1 (ko) * | 2006-07-14 | 2013-01-22 | 삼성전자주식회사 | 비압축 av 데이터를 전송하기 위한 전송 패킷 구조 및이를 이용한 송수신 장치 |
CN101548488B (zh) * | 2006-12-07 | 2012-10-24 | 三菱电机株式会社 | 无线通信系统、无线终端站、无线基站以及无线通信方法 |
TWI355112B (en) * | 2007-06-14 | 2011-12-21 | Asustek Comp Inc | Method and system for setting smart antenna |
US8428168B1 (en) | 2008-02-25 | 2013-04-23 | Marvell International Ltd. | Implicit MIMO antenna selection |
EP2319194B1 (en) | 2008-08-26 | 2016-11-16 | Marvell World Trade Ltd. | Beamforming by sector sweeping |
US8184052B1 (en) | 2008-09-24 | 2012-05-22 | Marvell International Ltd. | Digital beamforming scheme for phased-array antennas |
US8335167B1 (en) | 2009-02-02 | 2012-12-18 | Marvell International Ltd. | Refining beamforming techniques for phased-array antennas |
US8331265B2 (en) * | 2009-04-20 | 2012-12-11 | Samsung Electronics Co., Ltd. | System and method for adaptive beamforming training using fixed time window for heterogeneous antenna systems |
US9178593B1 (en) | 2009-04-21 | 2015-11-03 | Marvell International Ltd. | Directional channel measurement and interference avoidance |
US8843073B2 (en) | 2009-06-26 | 2014-09-23 | Intel Corporation | Radio resource measurement techniques in directional wireless networks |
US8660497B1 (en) | 2009-08-18 | 2014-02-25 | Marvell International Ltd. | Beamsteering in a spatial division multiple access (SDMA) system |
US8548385B2 (en) | 2009-12-16 | 2013-10-01 | Intel Corporation | Device, system and method of wireless communication via multiple antenna assemblies |
WO2011105500A1 (ja) | 2010-02-25 | 2011-09-01 | 日本電信電話株式会社 | 空間多重無線伝送システム、空間多重無線伝送方法、及びコンピュータプログラム |
US8971178B1 (en) | 2010-04-05 | 2015-03-03 | Marvell International Ltd. | Calibration correction for implicit beamformer using an explicit beamforming technique in a wireless MIMO communication system |
US9444577B1 (en) | 2010-04-05 | 2016-09-13 | Marvell International Ltd. | Calibration correction for implicit beamformer using an explicit beamforming technique in a wireless MIMO communication system |
EP2583385B1 (en) | 2010-06-16 | 2018-04-18 | Marvell World Trade Ltd. | Alternate feedback types for downlink multiple user mimo configurations |
EP3614635A1 (en) | 2010-08-10 | 2020-02-26 | Marvell World Trade Ltd. | Sub-band feedback for beamforming on downlink multiple user mimo configurations |
JP5627344B2 (ja) * | 2010-08-30 | 2014-11-19 | 三菱電機株式会社 | 基地局、端末、および無線通信システム |
CN102546049B (zh) * | 2010-12-30 | 2014-10-01 | 中国移动通信集团湖北有限公司 | 天线指标计算方法及装置 |
KR20130018079A (ko) * | 2011-08-10 | 2013-02-20 | 삼성전자주식회사 | 무선 통신 시스템에서 빔 고정 장치 및 방법 |
KR101839386B1 (ko) | 2011-08-12 | 2018-03-16 | 삼성전자주식회사 | 무선 통신 시스템에서의 적응적 빔포밍 장치 및 방법 |
US9154969B1 (en) | 2011-09-29 | 2015-10-06 | Marvell International Ltd. | Wireless device calibration for implicit transmit |
JP6048875B2 (ja) * | 2012-02-14 | 2016-12-21 | パナソニックIpマネジメント株式会社 | 無線通信システム |
US20150271787A1 (en) * | 2012-03-19 | 2015-09-24 | Mediatek Singapore Pte. Ltd. | Expert antenna control system |
MX2015005166A (es) * | 2012-10-26 | 2016-02-09 | Interdigital Patent Holdings | Metodos de la capa fisica para multiples puntos de acceso uniformes de una red wlan. |
JP6190889B2 (ja) * | 2012-11-09 | 2017-08-30 | 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 | ビーム形成方法およびビームを使用するための方法 |
KR20150115015A (ko) * | 2013-02-07 | 2015-10-13 | 인터디지탈 패튼 홀딩스, 인크 | 방향성 메시 네트워크에서의 간섭 측정 및 관리 |
KR102079590B1 (ko) | 2013-05-03 | 2020-02-21 | 삼성전자주식회사 | 빔포밍을 사용하는 통신 시스템에서 채널 정보 측정 및 피드백을 위한 방법 및 장치 |
US9843097B1 (en) | 2013-07-08 | 2017-12-12 | Marvell International Ltd. | MIMO implicit beamforming techniques |
US10038996B1 (en) | 2013-07-09 | 2018-07-31 | Marvell International Ltd. | User group selection in multiple user multiple input multiple output (MU-MIMO) configurations |
JP6276068B2 (ja) * | 2014-02-28 | 2018-02-07 | パナソニック株式会社 | 無線通信装置及びビームフォーミング制御方法 |
EP3138226B1 (en) | 2014-05-02 | 2020-07-08 | NXP USA, Inc. | Multiple user allocation signaling in a wireless communication network |
CN104198824B (zh) * | 2014-09-05 | 2017-05-03 | 中国科学院电子学研究所 | 一种差分天线测量方法 |
US20160087336A1 (en) * | 2014-09-24 | 2016-03-24 | Alexander Maltsev | Systems and methods for optimizing wireless communication |
US9826532B1 (en) | 2015-02-09 | 2017-11-21 | Marvell International Ltd. | Orthogonal frequency division multiple access resource request |
US10306603B1 (en) | 2015-02-09 | 2019-05-28 | Marvell International Ltd. | Resource request for uplink multi-user transmission |
KR102268510B1 (ko) * | 2015-02-24 | 2021-06-22 | 에스케이텔레콤 주식회사 | 단말장치 및 단말장치의 동작 방법 |
CN113411111A (zh) | 2015-06-08 | 2021-09-17 | 马维尔亚洲私人有限公司 | 高效无线局域网中的显式波束赋形 |
JP2017152830A (ja) * | 2016-02-23 | 2017-08-31 | Kddi株式会社 | 無線通信システム、送信装置、受信装置、及び通信方法 |
WO2017180747A2 (en) | 2016-04-12 | 2017-10-19 | Marvell Semiconductor, Inc. | Uplink multi-user transmission |
US10574418B2 (en) | 2016-04-14 | 2020-02-25 | Marvell World Trade Ltd. | Determining channel availability for orthogonal frequency division multiple access operation |
US10823490B2 (en) * | 2017-10-12 | 2020-11-03 | Whirlpool Corporation | Shelf assembly for appliance |
US10605908B2 (en) * | 2017-11-15 | 2020-03-31 | Cognitive Systems Corp. | Motion detection based on beamforming dynamic information from wireless standard client devices |
CN110740452A (zh) * | 2018-07-20 | 2020-01-31 | 中兴通讯股份有限公司 | 发现干扰的方法、装置、接收设备、发射设备及存储介质 |
US11057829B2 (en) * | 2018-08-29 | 2021-07-06 | Apple Inc. | Power saving for non-trigger-based ranging |
CN111225406B (zh) * | 2018-11-27 | 2022-02-18 | 华为技术有限公司 | 一种定时测量方法及相关设备 |
US10505599B1 (en) | 2018-12-19 | 2019-12-10 | Marvell International Ltd. | Matrix equalization computation with pipelined architecture |
KR102390040B1 (ko) * | 2020-05-08 | 2022-04-25 | 엘지전자 주식회사 | 로봇 청소기 및 그 제어 방법 |
CN116171550A (zh) * | 2020-09-15 | 2023-05-26 | 上海诺基亚贝尔股份有限公司 | 用于侧链路资源选择的方法、设备和计算机可读介质 |
WO2023219193A1 (ko) * | 2022-05-13 | 2023-11-16 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널을 추정하기 위한 장치 및 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09200115A (ja) * | 1996-01-23 | 1997-07-31 | Toshiba Corp | 無線通信システムにおける無線基地局のアンテナ指向性制御方法および可変指向性アンテナ |
JPH11205222A (ja) * | 1997-09-04 | 1999-07-30 | Alcatel Cit | 能動アンテナ列を制御する受信システムおよび/または送信システムを較正する方法、ならびに対応する移動局 |
JP2001160813A (ja) * | 1999-09-22 | 2001-06-12 | Matsushita Electric Ind Co Ltd | 無線ネットワーク |
GB2398964A (en) * | 2003-02-27 | 2004-09-01 | Toshiba Res Europ Ltd | Signal processing for antenna selection |
Family Cites Families (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1335618A (en) | 1971-09-20 | 1973-10-31 | Ici Ltd | Stabilisation of trichlorofluoroethylene |
CA1220830A (en) * | 1984-12-28 | 1987-04-21 | David S. Drynan | Transmitting sequence numbers of information in a packet data transmission system |
CA1290020C (en) | 1987-02-09 | 1991-10-01 | Steven Messenger | Wireless local area network |
US5507035A (en) * | 1993-04-30 | 1996-04-09 | International Business Machines Corporation | Diversity transmission strategy in mobile/indoor cellula radio communications |
JP3250708B2 (ja) * | 1995-04-27 | 2002-01-28 | シャープ株式会社 | 無線通信装置 |
FI107851B (fi) * | 1996-05-22 | 2001-10-15 | Nokia Networks Oy | Menetelmä antennikeilan valitsemiseksi, tukiasema ja solukkoradiojärjestelmä |
JP3108643B2 (ja) | 1996-12-04 | 2000-11-13 | 株式会社ワイ・アール・ピー移動通信基盤技術研究所 | アンテナ切り替え制御方式 |
SE509836C2 (sv) | 1997-06-13 | 1999-03-15 | Ericsson Telefon Ab L M | Förfarande och arrangemang i ett radiokommunikationssystem |
DE19742650C2 (de) * | 1997-09-26 | 2000-05-11 | Siemens Ag | Optimierung von Nachbarkanal-Meßberichten |
US6615024B1 (en) | 1998-05-01 | 2003-09-02 | Arraycomm, Inc. | Method and apparatus for determining signatures for calibrating a communication station having an antenna array |
US6438389B1 (en) | 1998-07-24 | 2002-08-20 | The Board Of Trustees Of The Leland Stanford Junior University | Wireless communication system with adaptive beam selection |
US6587441B1 (en) * | 1999-01-22 | 2003-07-01 | Technology Alternatives, Inc. | Method and apparatus for transportation of data over a managed wireless network using unique communication protocol |
AU3685200A (en) | 1999-02-26 | 2000-09-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Smart antenna beam assignment at mobile station hand-off |
CN1118200C (zh) | 1999-08-10 | 2003-08-13 | 信息产业部电信科学技术研究院 | 基于智能天线和干扰抵销的基带处理方法 |
US6778507B1 (en) | 1999-09-01 | 2004-08-17 | Qualcomm Incorporated | Method and apparatus for beamforming in a wireless communication system |
US6506149B2 (en) | 1999-09-07 | 2003-01-14 | Origin Medsystems, Inc. | Organ manipulator having suction member supported with freedom to move relative to its support |
US6721589B1 (en) * | 1999-11-30 | 2004-04-13 | General Electric Company | Rapid three-dimensional magnetic resonance tagging for studying material deformation and strain |
US6804521B2 (en) | 2000-01-18 | 2004-10-12 | Nortel Networks Limited | Multi-beam antenna system for high speed data |
US6507713B2 (en) * | 2000-03-27 | 2003-01-14 | Ricoh Company, Ltd. | Image-formation apparatus, controlling method thereof and image-formation method |
TW520469B (en) * | 2000-04-10 | 2003-02-11 | Asml Netherlands Bv | Lithographic apparatus, device manufacturing method, and device manufactured thereby |
US7254118B1 (en) * | 2000-05-22 | 2007-08-07 | Qualcomm Incorporated | Method and apparatus in a CDMA communication system |
US6445688B1 (en) * | 2000-08-31 | 2002-09-03 | Ricochet Networks, Inc. | Method and apparatus for selecting a directional antenna in a wireless communication system |
US6564036B1 (en) | 2000-09-29 | 2003-05-13 | Arraycomm, Inc. | Mode switching in adaptive array communications systems |
US6721569B1 (en) | 2000-09-29 | 2004-04-13 | Nortel Networks Limited | Dynamic sub-carrier assignment in OFDM systems |
US6760599B1 (en) | 2000-09-29 | 2004-07-06 | Arraycomm, Inc. | Method and apparatus for selecting a base station |
US6721302B1 (en) | 2000-11-17 | 2004-04-13 | Nokia Corporation | Apparatus, and associated method, for communicating packet data in a SDMA (Space-Division, Multiple-Access) communication scheme |
US7292598B2 (en) | 2000-12-18 | 2007-11-06 | Texas Instruments Incorporated | Adaptive algorithms for optimal control of contention access |
JP2002190824A (ja) * | 2000-12-21 | 2002-07-05 | Fujitsu Ltd | ルータ及びipパケットの転送方式 |
US6778844B2 (en) | 2001-01-26 | 2004-08-17 | Dell Products L.P. | System for reducing multipath fade of RF signals in a wireless data application |
US6961545B2 (en) * | 2001-04-09 | 2005-11-01 | Atheros Communications, Inc. | Method and system for providing antenna diversity |
US20020193146A1 (en) | 2001-06-06 | 2002-12-19 | Mark Wallace | Method and apparatus for antenna diversity in a wireless communication system |
US6603427B2 (en) * | 2001-06-27 | 2003-08-05 | Raytheon Company | System and method for forming a beam and creating nulls with an adaptive array antenna using antenna excision and orthogonal Eigen-weighting |
US6834807B2 (en) | 2001-07-13 | 2004-12-28 | Hand Held Products, Inc. | Optical reader having a color imager |
US6738020B1 (en) * | 2001-07-31 | 2004-05-18 | Arraycomm, Inc. | Estimation of downlink transmission parameters in a radio communications system with an adaptive antenna array |
CA2361186A1 (en) | 2001-11-02 | 2003-05-02 | Ramesh Mantha | System and method for mitigating fading of a signal at a radio receiver |
JP2003235072A (ja) | 2002-02-06 | 2003-08-22 | Ntt Docomo Inc | 無線リソース割当て方法、無線リソース割当て装置及び移動通信システム |
US7039356B2 (en) * | 2002-03-12 | 2006-05-02 | Blue7 Communications | Selecting a set of antennas for use in a wireless communication system |
CN1172549C (zh) | 2002-03-27 | 2004-10-20 | 大唐移动通信设备有限公司 | 智能天线移动通信系统传输高速下行包交换数据的方法 |
DE10234724A1 (de) | 2002-07-30 | 2004-02-19 | Siemens Ag | Kommunikationsanordnung zur Übermittlung von Informationen zwischen mehreren dezentralen und zumindest einer zentralen Kommunikationseinheit |
AU2002324261A1 (en) | 2002-08-14 | 2004-03-03 | Nokia Corporation | Method and network device for wireless data transmission |
AU2003286830A1 (en) | 2002-11-04 | 2004-06-07 | Vivato, Inc. | Forced beam switching in wireless communication systems having smart antennas |
DE10252536A1 (de) | 2002-11-08 | 2004-05-27 | Philips Intellectual Property & Standards Gmbh | Verfahren und Vorrichtung zur Übertragung von Datenpaketen |
EP3029872B1 (en) | 2003-02-03 | 2020-04-01 | Sony Corporation | Collision avoidance in mobile ad hoc networks |
US8027315B2 (en) * | 2003-02-12 | 2011-09-27 | Nortel Networks Limited | Antenna diversity |
US7174138B2 (en) * | 2003-08-21 | 2007-02-06 | Conexant Systems, Inc. | Power-based hardware diversity |
US20050114473A1 (en) | 2003-10-30 | 2005-05-26 | Ravid Guy | FPGA boot-up over a network |
US7616698B2 (en) * | 2003-11-04 | 2009-11-10 | Atheros Communications, Inc. | Multiple-input multiple output system and method |
US7616663B1 (en) * | 2004-03-04 | 2009-11-10 | Verizon Corporate Services Group, Inc. | Method and apparatus for information dissemination |
KR20060133024A (ko) | 2004-03-23 | 2006-12-22 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 반도체 디바이스의 제조 방법 및 반도체 디바이스 |
US20060029024A1 (en) * | 2004-08-05 | 2006-02-09 | Guang Zeng | System and method for battery conservation in wireless stations |
US7606213B2 (en) * | 2004-08-12 | 2009-10-20 | Qualcomm Incorporated | Wireless MAC layer throughput improvements |
US8995921B2 (en) | 2004-09-10 | 2015-03-31 | Interdigital Technology Corporation | Measurement support for a smart antenna in a wireless communication system |
JP5011157B2 (ja) | 2008-02-19 | 2012-08-29 | 株式会社ケーヒン | 電子基板の保持構造 |
-
2004
- 2004-12-27 US US11/022,709 patent/US8995921B2/en active Active
-
2005
- 2005-09-07 SG SG200905566-6A patent/SG155238A1/en unknown
- 2005-09-07 EP EP16203423.5A patent/EP3168931B1/en not_active Not-in-force
- 2005-09-07 EP EP05793860.7A patent/EP1792420B1/en active Active
- 2005-09-07 TW TW102109935A patent/TW201338271A/zh unknown
- 2005-09-07 ES ES05793860.7T patent/ES2620736T3/es active Active
- 2005-09-07 AU AU2005285278A patent/AU2005285278B2/en active Active
- 2005-09-07 CA CA2580016A patent/CA2580016C/en active Active
- 2005-09-07 TW TW101145926A patent/TWI536662B/zh not_active IP Right Cessation
- 2005-09-07 BR BRPI0515638-6A patent/BRPI0515638A/pt not_active Application Discontinuation
- 2005-09-07 WO PCT/US2005/031655 patent/WO2006031499A2/en active Search and Examination
- 2005-09-07 CN CN201110221450.XA patent/CN102355312B/zh active Active
- 2005-09-07 TW TW097135537A patent/TWI406448B/zh active
- 2005-09-07 TW TW094130781A patent/TWI433393B/zh active
- 2005-09-07 TW TW094215429U patent/TWM289525U/zh not_active IP Right Cessation
- 2005-09-07 MY MYPI20054205 patent/MY151827A/en unknown
- 2005-09-07 JP JP2007531259A patent/JP5226313B2/ja not_active Expired - Fee Related
- 2005-09-07 MX MX2007002810A patent/MX2007002810A/es active IP Right Grant
- 2005-09-07 GE GEAP20059972A patent/GEP20115321B/en unknown
- 2005-09-09 DE DE202005014253U patent/DE202005014253U1/de not_active Expired - Lifetime
- 2005-09-09 KR KR1020050084385A patent/KR20060074817A/ko active IP Right Grant
- 2005-09-09 AR ARP050103772A patent/AR050734A1/es active IP Right Grant
- 2005-10-20 KR KR2020050029777U patent/KR200406777Y1/ko not_active IP Right Cessation
-
2007
- 2007-03-08 IL IL181823A patent/IL181823A/en active IP Right Grant
- 2007-04-02 NO NO20071758A patent/NO341652B1/no unknown
-
2008
- 2008-08-21 AR ARP080103636A patent/AR067992A2/es active IP Right Grant
-
2009
- 2009-12-03 AU AU2009243503A patent/AU2009243503B2/en active Active
-
2010
- 2010-11-05 KR KR1020100109980A patent/KR101197384B1/ko active IP Right Grant
-
2011
- 2011-05-24 JP JP2011116029A patent/JP2011188522A/ja active Pending
- 2011-11-22 KR KR1020110122527A patent/KR101246621B1/ko not_active IP Right Cessation
-
2012
- 2012-04-13 KR KR1020120038805A patent/KR101328347B1/ko not_active IP Right Cessation
- 2012-08-06 KR KR1020120085929A patent/KR101328239B1/ko not_active IP Right Cessation
- 2012-12-10 KR KR1020120142684A patent/KR101387776B1/ko not_active IP Right Cessation
-
2013
- 2013-03-04 JP JP2013041972A patent/JP2013102553A/ja active Pending
- 2013-04-15 KR KR1020130041102A patent/KR20130044287A/ko active IP Right Grant
- 2013-10-08 KR KR1020130120161A patent/KR101549943B1/ko not_active IP Right Cessation
-
2014
- 2014-03-17 KR KR1020140030941A patent/KR101605948B1/ko not_active IP Right Cessation
- 2014-11-20 JP JP2014235719A patent/JP5905561B2/ja active Active
-
2015
- 2015-02-18 US US14/624,865 patent/US9520930B2/en active Active
- 2015-08-14 JP JP2015160190A patent/JP2015228698A/ja active Pending
-
2016
- 2016-11-16 US US15/352,805 patent/US9967016B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09200115A (ja) * | 1996-01-23 | 1997-07-31 | Toshiba Corp | 無線通信システムにおける無線基地局のアンテナ指向性制御方法および可変指向性アンテナ |
JPH11205222A (ja) * | 1997-09-04 | 1999-07-30 | Alcatel Cit | 能動アンテナ列を制御する受信システムおよび/または送信システムを較正する方法、ならびに対応する移動局 |
JP2001160813A (ja) * | 1999-09-22 | 2001-06-12 | Matsushita Electric Ind Co Ltd | 無線ネットワーク |
GB2398964A (en) * | 2003-02-27 | 2004-09-01 | Toshiba Res Europ Ltd | Signal processing for antenna selection |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5905561B2 (ja) | 無線通信システムにおけるスマートアンテナに対する測定サポート | |
US8504110B2 (en) | Method and apparatus for transferring smart antenna capability information | |
TW201338449A (zh) | 於吳線區域網路中實施智慧天線 | |
AU2013216660A1 (en) | Measurement Support for a Smart Antenna in a Wireless Communication System |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20141222 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20151001 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A132 Effective date: 20151013 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20160113 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160128 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160216 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160316 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5905561 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |