CN1170282A - 用于发射机路径加权的装置与方法 - Google Patents
用于发射机路径加权的装置与方法 Download PDFInfo
- Publication number
- CN1170282A CN1170282A CN97111190.1A CN97111190A CN1170282A CN 1170282 A CN1170282 A CN 1170282A CN 97111190 A CN97111190 A CN 97111190A CN 1170282 A CN1170282 A CN 1170282A
- Authority
- CN
- China
- Prior art keywords
- weights
- communication equipment
- antenna
- reference signal
- signal
- 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
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
- H04B7/0619—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
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
-
- 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
-
- 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
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
- H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
- H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
-
- 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
- H04B7/0623—Auxiliary parameters, e.g. power control [PCB] or not acknowledged commands [NACK], used as feedback information
-
- 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
- H04B7/0636—Feedback format
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Transmitters (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
矢量号 | W1(增益,相位) | W2(增益,相位) | W3(增益,相位) |
0 | α+jα(γ,45°) | -α-jα(γ,-135°) | -α-jα(γ,-135°) |
1 | α+jα(γ,45°) | -α-jα(γ,-135°) | α+jα(γ,135°) |
2 | α+jα(γ,45°) | -α-jα(γ,-135°) | α-jα(γ,-45°) |
3 | α+jα(γ,45°) | -α-jα(γ,135°) | α+jα(γ,45°) |
4 | α+jα(γ,45°) | -α+jα(γ,135°) | -α-jα(γ,-135°) |
5 | α+jα(γ,45°) | -α+jα(γ,135°) | -α+jα(γ,135°) |
6 | α+jα(γ,45°) | -α+jα(γ,135°) | α-jα(γ,-45°) |
7 | α+jα(γ,45°) | -α+jα(γ,135°) | α+jα(γ,45°) |
8 | α+jα(γ,45°) | α-jα(γ,-45°) | -α-jα(γ,-135°) |
9 | α+jα(γ,45°) | α-jα(γ,-45°) | -α+jα(γ,135°) |
10 | α+jα(γ,45°) | α-jα(γ,-45°) | α-jα(γ,-45°) |
11 | α+jα(γ,45°) | α-jα(γ,-45°) | α+jα(γ,45°) |
12 | α+jα(γ,45°) | α+jα(γ,45°) | -α-jα(γ,-135°) |
13 | α+j α(γ,45°) | α+jα(γ,45°) | -α+jα(γ,135°) |
14 | α+jα(γ,45°) | α+j α(γ,45°) | α-jα(γ,-45α) |
15 | α+jα(γ,45°) | α+jα(γ,45°) | α-jα(γ,45°) |
矢量号 | W1(增益,相位) | W2(增益,相位) | W3(增益,相位) |
0 | α+jα(γ,45°) | -α-jα(γ,-135°) | -α-jα(γ,-135°) |
1 | α+jα(γ,45°) | -α-jα(γ,-135°) | -α+jα(γ,135°) |
2 | α+jα(γ,45°) | -α-jα(γ,-135°) | α-jα(γ,-45°) |
3 | α+jα(γ,45°) | -α-jα(γ,-135°) | α+jα(γ,45°) |
4 | α+jα(γ,45°) | -α+jα(γ,135°) | -α-jα(γ,-135°) |
5 | α+jα(γ,45°) | -α+jα(γ,135°) | -α+jα(γ,135°) |
6 | α+jα(γ,45°) | -α+jα(γ,35°) | α-jα(γ,-45°) |
7 | α+jα(γ,45°) | -α+jα(γ,135°) | α+jα(γ,45°) |
8 | α+jα(γ,45°) | α-jα(γ,-45°) | -α-jα(γ,-135°) |
9 | α+jα(γ,45°) | α-jα(γ,45°) | -α+jα(γ,135°) |
10 | α+jα(γ,45°) | α-jα(γ,-45°) | α-jα(γ,-45°) |
11 | α+jα(γ,45°) | α-jα(γ,-45°) | α+jα(γ,45°) |
12 | α+jα(γ,45°) | α+jα(γ,45°) | -α-jα(γ,-135°) |
13 | α+jα(γ,45°) | α+jα(γ,45°) | -α+jα(γ,135°) |
14 | α+jα(γ,45°) | α+jα(γ,45°) | α-jα(γ,-45°) |
15 | α+jα(γ,45°) | α+jα(γ,45α) | α+jα(γ,45°) |
16 | β+j0(β,0°) | β+j0(β,0°) | 0+j0(0,0°) |
17 | β+j0(β,0°) | 0+jβ(β,90°) | 0+j0(0,0°) |
18 | β+j0(β,0°) | -β+j0(β,180°) | 0+j0(0,0°) |
19 | β+j0(β,0°) | 0-jβ(β,-90°) | 0+j0(0,0°) |
20 | β+j0(β,0°) | 0+j0(0,0°) | β+j0(β,0°) |
21 | β+j0(β,0°) | 0+j0(0,0°) | 0+jβ(β,90°) |
22 | β+j0(β,0) | 0+j0(0,0°) | -β+j0(β,180°) |
23 | β+j0(β,0°) | 0+j0(0,0°) | 0-jβ(β,-90°) |
24 | 0+j0(0,0°) | β+j0(β,0°) | β+j0(β,0°) |
25 | 0+j0(0,0°) | β+j0(β,0°) | -β+j0(β,180°) |
26 | 0+j0(0,0°) | β+j0(β,0°) | 0+jβ(β,90°) |
27 | 0+j0(0,0°) | β+j0(β,0°) | 0-jβ(β,-90°) |
28 | 1+j0(γ,0°) | 0+j0(0,0°) | 0+j0(0,0°) |
29 | 0+j0(0,0°) | 1+j0(γ,0°) | 0+j0(0,0°) |
30 | 0+j0(0,0°) | 0+j0(0,0°) | 1+j0(γ,0°) |
Claims (41)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9610357.7 | 1996-05-17 | ||
GB9610428.6 | 1996-05-17 | ||
GB9610428A GB2313261B (en) | 1996-05-17 | 1996-05-17 | Devices for transmitter path weights and methods therefor |
GB9610357A GB2313237B (en) | 1996-05-17 | 1996-05-17 | Method and apparatus for transmitter antenna array adjustment |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1170282A true CN1170282A (zh) | 1998-01-14 |
CN1116747C CN1116747C (zh) | 2003-07-30 |
Family
ID=26309351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97111190.1A Expired - Lifetime CN1116747C (zh) | 1996-05-17 | 1997-05-15 | 用于发射机路径加权的装置与方法 |
Country Status (12)
Country | Link |
---|---|
US (2) | US5999826A (zh) |
EP (1) | EP0807989B1 (zh) |
JP (1) | JP4105254B2 (zh) |
KR (1) | KR100495962B1 (zh) |
CN (1) | CN1116747C (zh) |
AU (1) | AU723992B2 (zh) |
BR (1) | BR9703357A (zh) |
CA (1) | CA2202829C (zh) |
DE (1) | DE69705356T2 (zh) |
HU (1) | HU218636B (zh) |
IL (1) | IL120574A (zh) |
RU (1) | RU2141168C1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6721367B1 (en) | 1998-11-10 | 2004-04-13 | Matsushita Electric Industrial Co., Ltd. | Base station apparatus and radio communication method |
CN100355219C (zh) * | 2002-06-14 | 2007-12-12 | 华为技术有限公司 | 阵列收发系统中的参考信号发射接收方法及其应用 |
CN100435489C (zh) * | 2002-05-15 | 2008-11-19 | 诺基亚有限公司 | 利用确定性摄动梯度近似法来帮助天线权选择的设备及相关方法 |
CN100463375C (zh) * | 2001-10-20 | 2009-02-18 | 中兴通讯股份有限公司 | 一种智能天线接收方法和装置 |
US8036669B2 (en) | 2006-04-20 | 2011-10-11 | Qualcomm Incorporated | Orthogonal resource reuse with SDMA beams |
CN101019342B (zh) * | 2004-09-10 | 2012-01-18 | 英特尔公司 | 具有有限反馈的mimo系统中的闭环传输波束成形方法和系统 |
CN103348606A (zh) * | 2011-02-09 | 2013-10-09 | 高通股份有限公司 | 空对地通信系统的实时校准 |
CN106229619A (zh) * | 2016-08-16 | 2016-12-14 | 青岛海信移动通信技术股份有限公司 | 一种移动终端 |
CN107534454A (zh) * | 2015-04-13 | 2018-01-02 | 三菱电机株式会社 | 相控阵天线装置 |
Families Citing this family (246)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6463295B1 (en) | 1996-10-11 | 2002-10-08 | Arraycomm, Inc. | Power control with signal quality estimation for smart antenna communication systems |
US7035661B1 (en) | 1996-10-11 | 2006-04-25 | Arraycomm, Llc. | Power control with signal quality estimation for smart antenna communication systems |
US6275543B1 (en) | 1996-10-11 | 2001-08-14 | Arraycomm, Inc. | Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing |
FI107666B (fi) | 1997-08-14 | 2001-09-14 | Nokia Networks Oy | Menetelmä lähetyksen optimoimiseksi ja lähetin |
FI106669B (fi) * | 1997-08-20 | 2001-03-15 | Nokia Networks Oy | Lähetysmenetelmä ja radiojärjestelmä |
US6055230A (en) * | 1997-09-05 | 2000-04-25 | Metawave Communications Corporation | Embedded digital beam switching |
US6185258B1 (en) * | 1997-09-16 | 2001-02-06 | At&T Wireless Services Inc. | Transmitter diversity technique for wireless communications |
CA2276207C (en) | 1997-10-31 | 2003-02-18 | At&T Wireless Services, Inc. | Low complexity maximum likelihood detection of concatenated space codes for wireless applications |
DE19754783A1 (de) * | 1997-12-10 | 1999-06-17 | Cit Alcatel | Funkvorrichtung zum Senden eines Funksignals über eine Antennenanordnung an eine Mobilstation eines Mobilfunksystems |
US7299071B1 (en) * | 1997-12-10 | 2007-11-20 | Arraycomm, Llc | Downlink broadcasting by sequential transmissions from a communication station having an antenna array |
US6185440B1 (en) * | 1997-12-10 | 2001-02-06 | Arraycomm, Inc. | Method for sequentially transmitting a downlink signal from a communication station that has an antenna array to achieve an omnidirectional radiation |
SE511365C2 (sv) * | 1998-01-23 | 1999-09-20 | Ericsson Telefon Ab L M | Antennomkopplingsdiversitet |
EP0936755B1 (en) * | 1998-02-13 | 2005-07-06 | Nec Corporation | Adaptive receiving device with antenna array |
JP3266091B2 (ja) | 1998-03-04 | 2002-03-18 | 日本電気株式会社 | セルラシステム |
US6134261A (en) * | 1998-03-05 | 2000-10-17 | At&T Wireless Svcs. Inc | FDD forward link beamforming method for a FDD communications system |
FI980725A (fi) * | 1998-03-31 | 1999-10-01 | Nokia Networks Oy | Menetelmä parantaa radioyhteyden laatua solukkoradioverkossa |
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 |
US6188915B1 (en) * | 1998-05-19 | 2001-02-13 | Harris Corporation | Bootstrapped, piecewise-asymptotic directivity pattern control mechanism setting weighting coefficients of phased array antenna |
ATE358924T1 (de) | 1998-06-15 | 2007-04-15 | Motorola Inc | Verfahren und gerät zur verbesserung der kapazität in einem funkkommunikationssystem |
US6411824B1 (en) * | 1998-06-24 | 2002-06-25 | Conexant Systems, Inc. | Polarization-adaptive antenna transmit diversity system |
JP2000013290A (ja) * | 1998-06-24 | 2000-01-14 | Matsushita Electric Ind Co Ltd | ダイバーシチ通信装置及び方法 |
JP2000022611A (ja) * | 1998-06-29 | 2000-01-21 | Matsushita Electric Ind Co Ltd | 送信電力制御方法及び無線通信装置 |
JP3092798B2 (ja) * | 1998-06-30 | 2000-09-25 | 日本電気株式会社 | 適応送受信装置 |
JP2000059278A (ja) * | 1998-08-03 | 2000-02-25 | Matsushita Electric Ind Co Ltd | 無線通信装置 |
JP2002026789A (ja) | 1998-09-11 | 2002-01-25 | Matsushita Electric Ind Co Ltd | 通信装置および指向性送信方法 |
US6459740B1 (en) | 1998-09-17 | 2002-10-01 | At&T Wireless Services, Inc. | Maximum ratio transmission |
JP3167682B2 (ja) * | 1998-09-28 | 2001-05-21 | 三洋電機株式会社 | 送信指向性を有する無線装置およびその制御方法 |
EP1129586A1 (en) * | 1998-10-15 | 2001-09-05 | Airnet Communications Corporation | Redundant broadband multi-carrier base station for wireless communications using omni-directional overlay on a tri-sectored wireless system |
US6587672B1 (en) * | 1998-12-02 | 2003-07-01 | Lucent Technologies Inc. | Methods and apparatus for enhanced power ramping via multi-threshold detection |
US6324407B1 (en) * | 1999-02-26 | 2001-11-27 | Motorola, Inc. | Method and apparatus for signal transmission within a wireless communication system |
JP3968190B2 (ja) * | 1999-03-06 | 2007-08-29 | 松下電器産業株式会社 | 送受信装置 |
JP2000286629A (ja) * | 1999-03-31 | 2000-10-13 | Matsushita Electric Ind Co Ltd | 無線送信装置及び送信指向性調整方法 |
US7952511B1 (en) | 1999-04-07 | 2011-05-31 | Geer James L | Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns |
FR2792129B1 (fr) * | 1999-04-07 | 2006-07-28 | Valeo Securite Habitacle | Recepteur de signaux portable a plusieurs antennes |
US6218985B1 (en) * | 1999-04-15 | 2001-04-17 | The United States Of America As Represented By The Secretary Of The Navy | Array synthesis method |
KR100555986B1 (ko) | 1999-05-19 | 2006-03-03 | 노키아 네트워크즈 오와이 | 전송 다이버시티 방법 및 시스템 |
US6600914B2 (en) | 1999-05-24 | 2003-07-29 | Arraycomm, Inc. | System and method for emergency call channel allocation |
US7139592B2 (en) | 1999-06-21 | 2006-11-21 | Arraycomm Llc | Null deepening for an adaptive antenna based communication station |
EP1063790B1 (en) * | 1999-06-24 | 2002-05-29 | Alcatel | Diversity transmission in a Mobile Radio System |
US7567624B1 (en) * | 1999-07-30 | 2009-07-28 | Texas Instruments Incorporated | System and method of communicating using combined signal parameter diversity |
US6831943B1 (en) * | 1999-08-13 | 2004-12-14 | Texas Instruments Incorporated | Code division multiple access wireless system with closed loop mode using ninety degree phase rotation and beamformer verification |
KR100316777B1 (ko) | 1999-08-24 | 2001-12-12 | 윤종용 | 차세대 이동 통신 시스템에서의 폐쇄 루프 전송 안테나 다이버시티 방법 및 이를 위한 기지국 장치 및 이동국 장치 |
US6778507B1 (en) * | 1999-09-01 | 2004-08-17 | Qualcomm Incorporated | Method and apparatus for beamforming in a wireless communication system |
US6115406A (en) * | 1999-09-10 | 2000-09-05 | Interdigital Technology Corporation | Transmission using an antenna array in a CDMA communication system |
US6278726B1 (en) * | 1999-09-10 | 2001-08-21 | Interdigital Technology Corporation | Interference cancellation in a spread spectrum communication system |
FI107671B (fi) * | 1999-10-08 | 2001-09-14 | Nokia Mobile Phones Ltd | Menetelmä ja järjestely diversiteettikertoimien muutosten ajoittamiseksi solukkoradiojärjestelmässä |
JP2001111464A (ja) | 1999-10-08 | 2001-04-20 | Matsushita Electric Ind Co Ltd | 基地局装置及び無線送信方法 |
KR100689398B1 (ko) * | 1999-10-09 | 2007-03-08 | 삼성전자주식회사 | 이동통신시스템에서 폐루프 송신 안테나 다이버시티 장치 및 방법 |
GB9929442D0 (en) * | 1999-12-13 | 2000-02-09 | Element 14 Inc | Interference cancellaton equipment |
US6888809B1 (en) | 2000-01-13 | 2005-05-03 | Lucent Technologies Inc. | Space-time processing for multiple-input, multiple-output, wireless systems |
JP2001203619A (ja) * | 2000-01-19 | 2001-07-27 | Matsushita Electric Ind Co Ltd | 無線基地局装置及び無線通信方法 |
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 |
KR100493068B1 (ko) * | 2000-03-08 | 2005-06-02 | 삼성전자주식회사 | 이동통신시스템에서 피드백 정보를 이용하는 반맹목적방식의 송신안테나어레이 장치 및 방법 |
JP2001285189A (ja) * | 2000-04-03 | 2001-10-12 | Sanyo Electric Co Ltd | 無線基地局、プログラム記憶媒体 |
JP4318389B2 (ja) * | 2000-04-03 | 2009-08-19 | 三洋電機株式会社 | アダプティブアレー装置、無線基地局、携帯電話機 |
KR100493150B1 (ko) * | 2000-04-10 | 2005-06-02 | 삼성전자주식회사 | 이동통신을 위한 폐루프 전송 다이버시티의 최적 가중치탐색장치 및 방법 |
JP4509296B2 (ja) * | 2000-04-26 | 2010-07-21 | 株式会社東芝 | 移動無線端末 |
JP3414698B2 (ja) * | 2000-05-17 | 2003-06-09 | 日本電気株式会社 | アレーアンテナ送受信装置 |
US7139324B1 (en) * | 2000-06-02 | 2006-11-21 | Nokia Networks Oy | Closed loop feedback system for improved down link performance |
US8363744B2 (en) | 2001-06-10 | 2013-01-29 | Aloft Media, Llc | Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks |
FI20001513A (fi) * | 2000-06-26 | 2001-12-27 | Nokia Networks Oy | Menetelmä tiedonsiirron laadun parantamiseksi |
DE10032426B4 (de) | 2000-07-04 | 2006-01-12 | Siemens Ag | Strahlformungsverfahren |
DE60043202D1 (de) | 2000-08-24 | 2009-12-03 | Sony Deutschland Gmbh | Kommunikationseinrichtung zum Senden und Empfangen von OFDM Signalen in einem Funkkommunikationssystem |
US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
US7295509B2 (en) | 2000-09-13 | 2007-11-13 | Qualcomm, Incorporated | Signaling method in an OFDM multiple access system |
US7460835B1 (en) * | 2000-09-22 | 2008-12-02 | Arraycomm Llc | Method and apparatus for determining an operating condition in a communications system |
US6611675B1 (en) * | 2000-09-26 | 2003-08-26 | Nokia Mobile Phone Ltd. | Antenna verification method for advanced closed loop mode-one transmitter antenna diversity |
US6795409B1 (en) | 2000-09-29 | 2004-09-21 | Arraycomm, Inc. | Cooperative polling in a wireless data communication system having smart antenna processing |
GB0029424D0 (en) * | 2000-12-02 | 2001-01-17 | Koninkl Philips Electronics Nv | Radio communication system |
AU2002219506A1 (en) * | 2000-12-21 | 2002-07-01 | Matsushita Electric Industrial Co., Ltd. | Base station device |
US20020128026A1 (en) * | 2001-01-15 | 2002-09-12 | Derryberry Roy Thomas | System and method for channel prediction for closed loop diversity |
DE10101556A1 (de) * | 2001-01-15 | 2002-07-18 | Siemens Ag | Verfahren zur Feedback-Übertragung in einem Funk-Kommunikationssystem und Stationen für ein Funk-Kommunikationssystem |
JP2002217804A (ja) * | 2001-01-22 | 2002-08-02 | Nippon Soken Inc | アダプティブアレイアンテナ装置 |
US6748024B2 (en) * | 2001-03-28 | 2004-06-08 | Nokia Corporation | Non-zero complex weighted space-time code for multiple antenna transmission |
US8290098B2 (en) * | 2001-03-30 | 2012-10-16 | Texas Instruments Incorporated | Closed loop multiple transmit, multiple receive antenna wireless communication system |
US6859503B2 (en) * | 2001-04-07 | 2005-02-22 | Motorola, Inc. | Method and system in a transceiver for controlling a multiple-input, multiple-output communications channel |
GB0110125D0 (en) * | 2001-04-25 | 2001-06-20 | Koninkl Philips Electronics Nv | Radio communication system |
KR100378357B1 (ko) * | 2001-05-07 | 2003-03-29 | 삼성전자주식회사 | 최대 채널 용량을 갖는 무선 통신 장치 및 방법 |
DE10123611A1 (de) * | 2001-05-15 | 2002-11-21 | Siemens Ag | Verfahren zum Betreiben eines zellularen Funk-Kommunikationsystems und Stationen dafür |
WO2002099999A1 (en) * | 2001-05-31 | 2002-12-12 | Magn0Lia Broadband, Inc. | Communication device with smart antenna using a quality-indication signal |
US8249187B2 (en) | 2002-05-09 | 2012-08-21 | Google Inc. | System, method and apparatus for mobile transmit diversity using symmetric phase difference |
DE10131946B4 (de) * | 2001-07-02 | 2014-10-16 | Siemens Aktiengesellschaft | Verfahren zum Betreiben eines Mobilfunk-Kommunikationssystems und Stationen dafür |
US7174178B2 (en) * | 2001-07-19 | 2007-02-06 | Intel Corporation | Deriving a more accurate estimate from prediction data in closed loop transmit diversity modes |
JP3808336B2 (ja) * | 2001-08-09 | 2006-08-09 | 日本電信電話株式会社 | 適応アンテナ送信装置及びその制御方法 |
US7180879B2 (en) * | 2001-08-17 | 2007-02-20 | Ragulan Sinnarajah | Method and apparatus for call setup latency reduction |
KR100615888B1 (ko) * | 2001-08-25 | 2006-08-25 | 삼성전자주식회사 | 안테나 어레이를 포함하는 이동 통신 장치 및 방법 |
WO2003032522A2 (en) | 2001-10-08 | 2003-04-17 | Qinetiq Limited | Signal processing system and method for determininig antenna weights |
US20030109282A1 (en) * | 2001-12-06 | 2003-06-12 | Itzhak Shperling | Method and base station for providing phase-shift transmit diversity |
US6983172B2 (en) * | 2002-01-03 | 2006-01-03 | Motorola, Inc. | Method and apparatus for transmitting a traffic signal using an adaptive antenna array |
US7499709B2 (en) * | 2002-02-07 | 2009-03-03 | Alcatel-Lucent Usa Inc. | Method and apparatus for closed loop transmit diversity in a wireless communications system |
US7116944B2 (en) * | 2002-02-07 | 2006-10-03 | Lucent Technologies Inc. | Method and apparatus for feedback error detection in a wireless communications systems |
US7046978B2 (en) * | 2002-02-08 | 2006-05-16 | Qualcomm, Inc. | Method and apparatus for transmit pre-correction in wireless communications |
US7031664B2 (en) * | 2002-02-21 | 2006-04-18 | Samsung Electronics Co., Ltd. | Mobile communication apparatus including antenna array and mobile communication method |
US6785520B2 (en) | 2002-03-01 | 2004-08-31 | Cognio, Inc. | System and method for antenna diversity using equal power joint maximal ratio combining |
JP2003264490A (ja) * | 2002-03-07 | 2003-09-19 | Matsushita Electric Ind Co Ltd | 無線基地局装置及び無線送信方法 |
US20040204103A1 (en) * | 2002-03-18 | 2004-10-14 | Rouphael Antoine J. | Adaptive beamforming in a wireless communication system |
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 |
US6871049B2 (en) | 2002-03-21 | 2005-03-22 | Cognio, Inc. | Improving the efficiency of power amplifiers in devices using transmit beamforming |
KR100896682B1 (ko) * | 2002-04-09 | 2009-05-14 | 삼성전자주식회사 | 송/수신 다중 안테나를 포함하는 이동 통신 장치 및 방법 |
US20040192233A1 (en) * | 2002-04-18 | 2004-09-30 | Motorola, Inc. | Redundant linear power amplifier system |
EP1359684A1 (en) * | 2002-04-30 | 2003-11-05 | Motorola Energy Systems Inc. | Wireless transmission using an adaptive transmit antenna array |
FI20021013A0 (fi) * | 2002-05-29 | 2002-05-29 | Nokia Corp | Tiedonsiirtomenetelmä ja -järjestelmä |
US7010055B2 (en) * | 2002-06-27 | 2006-03-07 | Motorola, Inc. | System implementing closed loop transmit diversity and method thereof |
US7130662B2 (en) * | 2002-08-01 | 2006-10-31 | Interdigital Technology Corporation | Simple smart-antenna system for MUD-enabled cellular networks |
TWI339034B (en) * | 2002-08-07 | 2011-03-11 | Interdigital Tech Corp | Closed loop transmit diversity of point to multipoint physical channels |
US8194770B2 (en) | 2002-08-27 | 2012-06-05 | Qualcomm Incorporated | Coded MIMO systems with selective channel inversion applied per eigenmode |
WO2004023674A1 (en) | 2002-09-06 | 2004-03-18 | Nokia Corporation | Antenna selection method |
JP3679075B2 (ja) | 2002-09-13 | 2005-08-03 | 松下電器産業株式会社 | 無線送信装置および無線送信方法 |
US7412212B2 (en) * | 2002-10-07 | 2008-08-12 | Nokia Corporation | Communication system |
US7324429B2 (en) | 2002-10-25 | 2008-01-29 | Qualcomm, Incorporated | Multi-mode terminal in a wireless MIMO system |
US7002900B2 (en) | 2002-10-25 | 2006-02-21 | Qualcomm Incorporated | Transmit diversity processing for a multi-antenna communication system |
US8320301B2 (en) | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
US8208364B2 (en) | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
US8570988B2 (en) | 2002-10-25 | 2013-10-29 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US8169944B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Random access for wireless multiple-access communication systems |
US7986742B2 (en) | 2002-10-25 | 2011-07-26 | Qualcomm Incorporated | Pilots for MIMO communication system |
US8170513B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Data detection and demodulation for wireless communication systems |
US20040081131A1 (en) | 2002-10-25 | 2004-04-29 | Walton Jay Rod | OFDM communication system with multiple OFDM symbol sizes |
US8134976B2 (en) | 2002-10-25 | 2012-03-13 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US8218609B2 (en) | 2002-10-25 | 2012-07-10 | Qualcomm Incorporated | Closed-loop rate control for a multi-channel communication system |
JP4082666B2 (ja) * | 2002-11-07 | 2008-04-30 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 無線受信装置 |
US7206606B2 (en) | 2002-11-26 | 2007-04-17 | Matsushita Electric Industrial Co., Ltd. | Wireless communication including diversity transmission and reception |
US7151951B2 (en) * | 2002-12-23 | 2006-12-19 | Telefonktiebolaget Lm Ericsson (Publ) | Using beamforming and closed loop transmit diversity in a multi-beam antenna system |
US8457264B2 (en) * | 2003-02-28 | 2013-06-04 | Vixs Systems, Inc. | Radio receiver having a diversity antenna structure |
US7983355B2 (en) | 2003-07-09 | 2011-07-19 | Broadcom Corporation | System and method for RF signal combining and adaptive bit loading for data rate maximization in multi-antenna communication systems |
US7822140B2 (en) * | 2003-03-17 | 2010-10-26 | Broadcom Corporation | Multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining |
US7391832B2 (en) * | 2003-03-17 | 2008-06-24 | Broadcom Corporation | System and method for channel bonding in multiple antenna communication systems |
US8185075B2 (en) | 2003-03-17 | 2012-05-22 | Broadcom Corporation | System and method for channel bonding in multiple antenna communication systems |
JP3933597B2 (ja) * | 2003-03-27 | 2007-06-20 | 三洋電機株式会社 | 送信方法およびそれを利用した無線装置 |
US8391322B2 (en) * | 2003-07-09 | 2013-03-05 | Broadcom Corporation | Method and system for single weight (SW) antenna system for spatial multiplexing (SM) MIMO system for WCDMA/HSDPA |
KR100981554B1 (ko) * | 2003-11-13 | 2010-09-10 | 한국과학기술원 | 다중 송수신 안테나들을 구비하는 이동통신시스템에서,송신 안테나들을 그룹핑하여 신호를 전송하는 방법 |
US9473269B2 (en) | 2003-12-01 | 2016-10-18 | Qualcomm Incorporated | Method and apparatus for providing an efficient control channel structure in a wireless communication system |
US7430430B2 (en) * | 2003-12-16 | 2008-09-30 | Magnolia Broadband Inc. | Adjusting a signal at a diversity system |
JP3906209B2 (ja) * | 2004-01-26 | 2007-04-18 | 株式会社東芝 | 無線受信装置及び無線受信方法 |
AU2005218627A1 (en) * | 2004-03-05 | 2005-09-15 | Qualcomm Incorporated | Method and apparatus for receive diversity control in wireless communications |
RU2347316C2 (ru) * | 2004-03-05 | 2009-02-20 | Квэлкомм Инкорпорейтед | Управление разнесением при приеме с множеством антенн в беспроводной системе связи |
JP2005260502A (ja) * | 2004-03-10 | 2005-09-22 | Nec Corp | 通信装置と通信制御方法 |
US6995723B1 (en) * | 2004-04-05 | 2006-02-07 | The United States Of America As Represented By The Secretary Of The Navy | Wearable directional antenna |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
EP1628426B1 (en) | 2004-08-17 | 2015-07-22 | Samsung Electronics Co., Ltd. | Apparatus and method for space-time-frequency block coding for increasing performance |
US7362822B2 (en) * | 2004-09-08 | 2008-04-22 | Intel Corporation | Recursive reduction of channel state feedback |
US7539253B2 (en) | 2004-09-10 | 2009-05-26 | Intel Corporation | Interpolation in channel state feedback |
US7236748B2 (en) * | 2004-09-30 | 2007-06-26 | Intel Corporation | Closed loop feedback in MIMO systems |
US7515877B2 (en) * | 2004-11-04 | 2009-04-07 | Magnolia Broadband Inc. | Communicating signals according to a quality indicator and a time boundary indicator |
US9246560B2 (en) | 2005-03-10 | 2016-01-26 | Qualcomm Incorporated | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
US9154211B2 (en) | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
US8446892B2 (en) | 2005-03-16 | 2013-05-21 | Qualcomm Incorporated | Channel structures for a quasi-orthogonal multiple-access communication system |
US9143305B2 (en) | 2005-03-17 | 2015-09-22 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9520972B2 (en) | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
US7953039B2 (en) * | 2005-04-21 | 2011-05-31 | Samsung Elecronics Co., Ltd. | System and method for channel estimation in a delay diversity wireless communication system |
US8189714B2 (en) | 2005-05-04 | 2012-05-29 | Rockstar Bidco, LP | Wireless feedback system and method |
US7466749B2 (en) | 2005-05-12 | 2008-12-16 | Qualcomm Incorporated | Rate selection with margin sharing |
US20060262874A1 (en) * | 2005-05-17 | 2006-11-23 | Interdigital Technology Corporation | Method and apparatus for power control in a multiple antenna system |
US7616930B2 (en) * | 2005-05-24 | 2009-11-10 | Magnolia Broadband Inc. | Determining a phase adjustment in accordance with power trends |
US20060267983A1 (en) * | 2005-05-24 | 2006-11-30 | Magnolia Broadband Inc. | Modifying a signal by adjusting the phase and amplitude of the signal |
US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
US8462859B2 (en) | 2005-06-01 | 2013-06-11 | Qualcomm Incorporated | Sphere decoding apparatus |
KR20060130806A (ko) * | 2005-06-08 | 2006-12-20 | 삼성전자주식회사 | 코드북 기반 폐루프 방식의 다중 송수신 안테나 시스템에서송수신 장치 및 방법 |
US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US8599945B2 (en) | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
US8358714B2 (en) | 2005-06-16 | 2013-01-22 | Qualcomm Incorporated | Coding and modulation for multiple data streams in a communication system |
US7783267B1 (en) | 2005-06-23 | 2010-08-24 | Magnolia Broadband Inc. | Modifying a signal in response to quality indicator availability |
US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
US7633905B1 (en) | 2005-09-02 | 2009-12-15 | Magnolia Broadband Inc. | Calibrating a transmit diversity communication device |
US7835702B1 (en) | 2005-09-15 | 2010-11-16 | Magnolia Broadband Inc. | Calculating a diversity parameter adjustment according to previously applied diversity parameter adjustments |
JP4749297B2 (ja) * | 2005-09-27 | 2011-08-17 | パナソニック株式会社 | 無線送信装置及び無線送信方法 |
US7746946B2 (en) * | 2005-10-10 | 2010-06-29 | Magnolia Broadband Inc. | Performing a scan of diversity parameter differences |
EP1775857B1 (en) | 2005-10-17 | 2011-05-04 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting/receiving data in multi-user multi-antenna communication system |
US7872962B1 (en) * | 2005-10-18 | 2011-01-18 | Marvell International Ltd. | System and method for producing weighted signals in a diversity communication system |
US7630445B1 (en) | 2005-10-25 | 2009-12-08 | Magnolia Broadband Inc. | Establishing slot boundaries of slots of a diversity control feedback signal |
US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US9225416B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link in a wireless communication system |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
ATE500658T1 (de) | 2005-10-31 | 2011-03-15 | Sharp Kk | Endgerätevorrichtung, basisstationsvorrichtung und kommunikationssystem |
US7796717B2 (en) * | 2005-11-02 | 2010-09-14 | Magnolia Brandband Inc. | Modifying a signal according to a diversity parameter adjustment |
US7965987B2 (en) * | 2005-11-03 | 2011-06-21 | Magnolia Broadband Inc. | Amplifying a transmit signal using a fractional power amplifier |
US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
US8224263B2 (en) | 2005-12-20 | 2012-07-17 | Sharp Kabushiki Kaisha | Transmitter for communications system |
US7853216B1 (en) * | 2005-12-22 | 2010-12-14 | Atheros Communications, Inc. | Multi-channel RX/TX calibration and local oscillator mismatch mitigation |
US8831607B2 (en) | 2006-01-05 | 2014-09-09 | Qualcomm Incorporated | Reverse link other sector communication |
US8130857B2 (en) | 2006-01-20 | 2012-03-06 | Qualcomm Incorporated | Method and apparatus for pilot multiplexing in a wireless communication system |
KR101264327B1 (ko) * | 2006-04-19 | 2013-05-14 | 한국전자통신연구원 | 랜덤액세스 다이버시티를 얻기 위한 이동국의 송신 방법 |
US20070263746A1 (en) * | 2006-05-12 | 2007-11-15 | Nokia Corporation | Feedback frame structure for subspace tracking precoding |
US20080037669A1 (en) * | 2006-08-11 | 2008-02-14 | Interdigital Technology Corporation | Wireless communication method and system for indexing codebook and codeword feedback |
JP4845640B2 (ja) * | 2006-08-23 | 2011-12-28 | 富士通株式会社 | 無線通信システムおよび無線通信方法 |
KR100957011B1 (ko) * | 2006-09-13 | 2010-05-13 | 삼성전자주식회사 | 다중 입력 다중 출력 시스템에서 자동 반복 요청 장치 및 방법 |
US7961640B2 (en) * | 2006-10-26 | 2011-06-14 | Qualcomm Incorporated | Method and apparatus for codebook exchange in a multiple access wireless communication system |
US7949069B2 (en) * | 2006-10-26 | 2011-05-24 | Magnolia Broadband Inc. | Method, system and apparatus for applying hybrid ARQ to the control of transmit diversity |
US8150441B2 (en) * | 2006-11-06 | 2012-04-03 | Magnolia Broadband Inc. | Modifying a signal by controlling transmit diversity parameters |
KR100971620B1 (ko) * | 2006-11-14 | 2010-07-22 | 삼성전자주식회사 | 다중 사용자 다중 안테나 통신시스템의 송ㆍ수신기,송ㆍ수신방법 및 부반송파 구조 |
US8199735B2 (en) | 2006-12-12 | 2012-06-12 | Google Inc. | Method, system and apparatus for the control of transmit diversity |
US7663545B2 (en) * | 2006-12-26 | 2010-02-16 | Magnolia Broadband Inc. | Method, system and apparatus for determining antenna weighting for transmit diversity |
US8027374B2 (en) * | 2006-12-27 | 2011-09-27 | Magnolia Broadband Inc. | Method, system and apparatus for transmit diversity control |
US20080160990A1 (en) * | 2006-12-29 | 2008-07-03 | Yair Karmi | System, method and apparatus for identification of power control using reverse rate indication |
US7869535B2 (en) * | 2007-02-28 | 2011-01-11 | Magnolia Broadband Inc. | Method, system and apparatus for phase control of transmit diversity signals |
US20080227414A1 (en) * | 2007-03-01 | 2008-09-18 | Yair Karmi | System, method and apparatus for transmit diversity control based on variations in propagation path |
US7991365B2 (en) * | 2007-03-01 | 2011-08-02 | Magnolia Broadband Inc. | Method, system and apparatus for estimation of propagation path variability of a transmit diversity channel |
US8699968B2 (en) | 2007-03-14 | 2014-04-15 | Google Inc. | Using multiple and a single feedback for UE uplink beamforming in soft handoff |
US8032091B2 (en) * | 2007-03-14 | 2011-10-04 | Magnolia Broadband Inc. | Method, apparatus and system for providing transmit diversity feedback during soft handoff |
US7945222B2 (en) | 2007-03-14 | 2011-05-17 | Magnolia Broadband Inc. | Method, apparatus and system for providing transmit diversity feedback |
US8750811B2 (en) * | 2007-03-14 | 2014-06-10 | Google Inc. | Method, apparatus and system for phase difference adjustment in transmit diversity |
US8046017B2 (en) * | 2007-03-15 | 2011-10-25 | Magnolia Broadband Inc. | Method and apparatus for random access channel probe initialization using transmit diversity |
US8036603B2 (en) * | 2007-03-15 | 2011-10-11 | Magnolia Broadband Inc. | Method, apparatus and system for providing feedback to a transmit diversity device |
WO2008113038A1 (en) * | 2007-03-15 | 2008-09-18 | Magnolia Broadband Inc. | Method of controlling a transmit diversity device |
US8077785B1 (en) * | 2007-04-09 | 2011-12-13 | Marvell International Ltd. | Generalized co-phasing for multiple transmitting and receiving antennas |
US8102803B2 (en) * | 2007-05-31 | 2012-01-24 | Interdigital Technology Corporation | Method and apparatus for wireless communication of packet data using transmit diversity weighting |
US20090093222A1 (en) * | 2007-10-03 | 2009-04-09 | Qualcomm Incorporated | Calibration and beamforming in a wireless communication system |
EP2219309B1 (en) * | 2007-12-05 | 2016-01-06 | Fujitsu Limited | Transmitter, method for controlling transmission, and communication device |
US8032092B2 (en) * | 2007-12-06 | 2011-10-04 | Magnolia Broadband Inc. | System, apparatus and method for introducing antenna pattern variability |
JP2009152688A (ja) * | 2007-12-18 | 2009-07-09 | Toshiba Corp | 端末装置、基地局、無線通信方法および通信プログラム |
US8094735B2 (en) * | 2008-01-04 | 2012-01-10 | Qualcomm Incorporated | Methods and apparatus for maximum ratio combining for duplicated signals in OFDMA systems |
GB2469420B (en) * | 2008-02-06 | 2012-10-17 | Hmicro Inc | Wireless communications systems using multiple radios |
US8577296B2 (en) * | 2008-08-29 | 2013-11-05 | Empire Technology Development, Llc | Weighting factor adjustment in adaptive antenna arrays |
US8555145B2 (en) * | 2008-09-04 | 2013-10-08 | Apple Inc. | Systems and methods of encoding using a reduced codebook with adaptive resetting |
US20120066564A1 (en) * | 2008-09-04 | 2012-03-15 | Hosein Nikopourdeilami | Differential Encoding With Adaptive Resetting |
US8442457B2 (en) | 2009-09-08 | 2013-05-14 | Google Inc. | System and method for adaptive beamforming for specific absorption rate control |
US8958757B2 (en) | 2010-05-10 | 2015-02-17 | Google Inc. | System, method and apparatus for mobile transmit diversity using symmetric phase difference |
CN103210696B (zh) | 2010-05-26 | 2016-06-08 | 谷歌公司 | 用于使用发射分集进行随机接入信道探测初始化的方法和装置 |
US9048913B2 (en) | 2010-07-06 | 2015-06-02 | Google Inc. | Method and apparatus for adaptive control of transmit diversity to provide operating power reduction |
US8849222B2 (en) | 2011-02-16 | 2014-09-30 | Google Inc. | Method and device for phase adjustment based on closed-loop diversity feedback |
KR101809918B1 (ko) * | 2011-08-04 | 2017-12-20 | 삼성전자주식회사 | 무선통신 시스템에서 하향링크 하이브리드 자동 재전송 요청 정보 전송 방법 및 장치 |
US9319172B2 (en) | 2011-10-14 | 2016-04-19 | Qualcomm Incorporated | Interference mitigation techniques for air to ground systems |
CN103595520B (zh) * | 2012-08-16 | 2017-08-04 | 华为技术有限公司 | 通讯装置及其空分双工方法 |
US10965735B2 (en) * | 2016-02-14 | 2021-03-30 | Bentley J. Olive | Methods and systems for facilitating information and expertise distribution via a communications network |
KR20180060882A (ko) * | 2016-11-28 | 2018-06-07 | 삼성전자주식회사 | 무선 통신 시스템에서의 빔포밍을 이용한 신호 전송 방법 및 장치 |
RU2640630C1 (ru) * | 2017-03-15 | 2018-01-10 | Борис Иванович Крыжановский | Способ синхронной передачи информации без ее трансляции |
US20220416447A1 (en) * | 2019-12-20 | 2022-12-29 | Telefonaktiebolaget Lm Ericsson (Publ) | MRC Combined Distributed Phased Antenna Arrays |
KR20220116874A (ko) * | 2021-02-16 | 2022-08-23 | 삼성전자주식회사 | 기준 신호에 의한 간섭을 줄이기 위한 전자 장치 및 그의 동작 방법 |
Family Cites Families (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4217586A (en) * | 1977-05-16 | 1980-08-12 | General Electric Company | Channel estimating reference signal processor for communication system adaptive antennas |
US4495468A (en) * | 1981-01-02 | 1985-01-22 | Tau-Tron, Inc. | Controlled phase off-set digital test system |
US4495648A (en) * | 1982-12-27 | 1985-01-22 | At&T Bell Laboratories | Transmitter power control circuit |
JPS622755A (ja) * | 1985-06-28 | 1987-01-08 | Anritsu Corp | 回線自動選択形公衆電話機 |
US4752969A (en) * | 1986-01-16 | 1988-06-21 | Kenneth Rilling | Anti-multipath signal processor |
US4797947A (en) * | 1987-05-01 | 1989-01-10 | Motorola, Inc. | Microcellular communications system using macrodiversity |
US5093842A (en) * | 1990-02-22 | 1992-03-03 | Harris Corporation | Mechanism for estimating Es/No from pseudo error measurements |
US5117236A (en) * | 1990-10-19 | 1992-05-26 | Motorola, Inc. | Antenna pattern selection for optimized communications |
JP2684888B2 (ja) * | 1991-08-06 | 1997-12-03 | 国際電信電話株式会社 | アダプティブアレイアンテナ制御方式 |
US5307400A (en) * | 1991-11-25 | 1994-04-26 | Telefonaktiebolaget L M. Ericsson | Call routing in mobile telephone systems |
US5345598A (en) * | 1992-04-10 | 1994-09-06 | Ericsson-Ge Mobile Communications Holding, Inc. | Duplex power control system in a communication network |
US5274844A (en) * | 1992-05-11 | 1993-12-28 | Motorola, Inc. | Beam pattern equalization method for an adaptive array |
US5327143A (en) * | 1992-06-22 | 1994-07-05 | Trw Inc. | Multiple arm spiral antenna system with multiple beamforming capability |
US5796779A (en) * | 1992-06-29 | 1998-08-18 | Raytheon Company | Adaptive signal processor for non-stationary environments and method |
US5799071A (en) * | 1992-10-05 | 1998-08-25 | Azar; Sanjar | Telecommunications cost-minimizing system |
WO1994009568A1 (en) * | 1992-10-09 | 1994-04-28 | E-Systems, Inc. | Adaptive co-channel interference reduction system for cellular telephone central base stations |
US5473630A (en) * | 1993-01-19 | 1995-12-05 | At&T Corp. | Telecommunications rate data base accessing |
US5812542A (en) * | 1996-03-18 | 1998-09-22 | Motorola, Inc. | Method for determining weighting coefficients in a CDMA radio receiver |
US5471647A (en) * | 1993-04-14 | 1995-11-28 | The Leland Stanford Junior University | Method for minimizing cross-talk in adaptive transmission antennas |
US5634199A (en) * | 1993-04-14 | 1997-05-27 | Stanford University | Method of subspace beamforming using adaptive transmitting antennas with feedback |
US5802502A (en) * | 1993-05-24 | 1998-09-01 | British Telecommunications Public Limited Company | System for selective communication connection based on transaction pricing signals |
US5539780A (en) * | 1993-10-28 | 1996-07-23 | Motorola, Inc. | Computationally efficient data decoder and method used therein |
JP2626514B2 (ja) * | 1993-11-08 | 1997-07-02 | 日本電気株式会社 | 基地局送受信装置 |
US5420914A (en) * | 1994-02-28 | 1995-05-30 | U S West Technologies, Inc. | System and method for real time carrier selection |
US5452473A (en) * | 1994-02-28 | 1995-09-19 | Qualcomm Incorporated | Reverse link, transmit power correction and limitation in a radiotelephone system |
US5613213A (en) * | 1994-03-31 | 1997-03-18 | Motorola, Inc. | Determining and displaying available services for a communication unit |
US5526400A (en) * | 1994-04-01 | 1996-06-11 | Telefonaktiebolaget Lm Ericsson | System for routing calls to mobile subscribers |
US5630208A (en) * | 1994-07-19 | 1997-05-13 | Trimble Navigation Limited | Adaptive multipath equalization |
JPH0879307A (ja) * | 1994-09-08 | 1996-03-22 | Matsushita Electric Ind Co Ltd | 通信制御装置 |
US5628052A (en) * | 1994-09-12 | 1997-05-06 | Lucent Technologies Inc. | Wireless communication system using distributed switched antennas |
GB2294844B (en) * | 1994-11-07 | 1999-05-26 | Motorola Inc | Communications operating system and method therefor |
FR2732490B1 (fr) * | 1995-03-28 | 1997-04-25 | Thomson Csf | Procede de reception multicapteur d'une station de base d'un reseau de communication echangeant des donnees avec des mobiles, et dispositif pour sa mise en oeuvre |
US5659601A (en) * | 1995-05-09 | 1997-08-19 | Motorola, Inc. | Method of selecting a cost effective service plan |
US5710981A (en) * | 1995-05-23 | 1998-01-20 | Ericsson Inc. | Portable radio power control device and method using incrementally degraded received signals |
US5764741A (en) * | 1995-07-21 | 1998-06-09 | Callmanage Ltd. | Least cost rooting system |
JP2783222B2 (ja) * | 1995-11-13 | 1998-08-06 | 日本電気株式会社 | 移動通信システムのアンテナ利得制御装置 |
JP3305938B2 (ja) * | 1995-11-16 | 2002-07-24 | 株式会社東芝 | フェーズドアレイアンテナ装置 |
US5684861A (en) * | 1995-12-04 | 1997-11-04 | Lewis; Walter F. | Apparatus and method for monitoring cellular telephone usage |
US5809020A (en) * | 1996-03-18 | 1998-09-15 | Motorola, Inc. | Method for adaptively adjusting weighting coefficients in a cDMA radio receiver |
-
1997
- 1997-04-01 IL IL12057497A patent/IL120574A/en not_active IP Right Cessation
- 1997-04-01 EP EP97105365A patent/EP0807989B1/en not_active Expired - Lifetime
- 1997-04-01 DE DE69705356T patent/DE69705356T2/de not_active Expired - Lifetime
- 1997-04-10 AU AU17828/97A patent/AU723992B2/en not_active Expired
- 1997-04-16 CA CA002202829A patent/CA2202829C/en not_active Expired - Lifetime
- 1997-05-13 US US08/855,173 patent/US5999826A/en not_active Expired - Lifetime
- 1997-05-15 JP JP14104097A patent/JP4105254B2/ja not_active Expired - Lifetime
- 1997-05-15 CN CN97111190.1A patent/CN1116747C/zh not_active Expired - Lifetime
- 1997-05-16 HU HU9700908A patent/HU218636B/hu not_active IP Right Cessation
- 1997-05-16 RU RU97108171A patent/RU2141168C1/ru active
- 1997-05-16 BR BR9703357A patent/BR9703357A/pt not_active IP Right Cessation
- 1997-05-17 KR KR1019970019503A patent/KR100495962B1/ko not_active IP Right Cessation
-
1999
- 1999-10-08 US US09/415,168 patent/US6192256B1/en not_active Expired - Lifetime
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6721367B1 (en) | 1998-11-10 | 2004-04-13 | Matsushita Electric Industrial Co., Ltd. | Base station apparatus and radio communication method |
CN100463375C (zh) * | 2001-10-20 | 2009-02-18 | 中兴通讯股份有限公司 | 一种智能天线接收方法和装置 |
CN100435489C (zh) * | 2002-05-15 | 2008-11-19 | 诺基亚有限公司 | 利用确定性摄动梯度近似法来帮助天线权选择的设备及相关方法 |
CN100355219C (zh) * | 2002-06-14 | 2007-12-12 | 华为技术有限公司 | 阵列收发系统中的参考信号发射接收方法及其应用 |
CN101019342B (zh) * | 2004-09-10 | 2012-01-18 | 英特尔公司 | 具有有限反馈的mimo系统中的闭环传输波束成形方法和系统 |
CN101427595B (zh) * | 2006-04-20 | 2012-10-31 | 高通股份有限公司 | 用sdma波束进行正交资源重用 |
US8036669B2 (en) | 2006-04-20 | 2011-10-11 | Qualcomm Incorporated | Orthogonal resource reuse with SDMA beams |
US8320339B2 (en) | 2006-04-20 | 2012-11-27 | Qualcomm Incorporated | Orthogonal resource reuse with SDMA beams |
CN103348606A (zh) * | 2011-02-09 | 2013-10-09 | 高通股份有限公司 | 空对地通信系统的实时校准 |
US9848391B2 (en) | 2011-02-09 | 2017-12-19 | Qualcomm Incorporated | High data rate aircraft to ground communication antenna system |
CN107534454A (zh) * | 2015-04-13 | 2018-01-02 | 三菱电机株式会社 | 相控阵天线装置 |
CN107534454B (zh) * | 2015-04-13 | 2019-11-08 | 三菱电机株式会社 | 相控阵天线装置 |
CN106229619A (zh) * | 2016-08-16 | 2016-12-14 | 青岛海信移动通信技术股份有限公司 | 一种移动终端 |
CN106229619B (zh) * | 2016-08-16 | 2019-07-05 | 青岛海信移动通信技术股份有限公司 | 一种移动终端 |
Also Published As
Publication number | Publication date |
---|---|
HUP9700908A2 (hu) | 1998-04-28 |
IL120574A (en) | 2002-09-12 |
BR9703357A (pt) | 1998-09-15 |
JPH10117162A (ja) | 1998-05-06 |
CA2202829C (en) | 2005-10-18 |
RU2141168C1 (ru) | 1999-11-10 |
KR970077825A (ko) | 1997-12-12 |
HU218636B (hu) | 2000-10-28 |
US5999826A (en) | 1999-12-07 |
EP0807989B1 (en) | 2001-06-27 |
KR100495962B1 (ko) | 2005-09-30 |
HU9700908D0 (en) | 1997-07-28 |
US6192256B1 (en) | 2001-02-20 |
JP4105254B2 (ja) | 2008-06-25 |
AU723992B2 (en) | 2000-09-07 |
EP0807989A1 (en) | 1997-11-19 |
HUP9700908A3 (en) | 1998-05-28 |
IL120574A0 (en) | 1997-08-14 |
AU1782897A (en) | 1997-11-20 |
DE69705356D1 (de) | 2001-08-02 |
CN1116747C (zh) | 2003-07-30 |
CA2202829A1 (en) | 1997-11-17 |
DE69705356T2 (de) | 2002-05-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1116747C (zh) | 用于发射机路径加权的装置与方法 | |
CN100338889C (zh) | 用多单元天线发送分集方案发送和接收数据的设备和方法 | |
US8098776B2 (en) | Method and system for pre-equalization in a single weight spatial multiplexing MIMO system | |
CN1081408C (zh) | 确定cdma无线电接收机中加权系数的方法 | |
CN1081855C (zh) | 无线用户单元中控制分集接收机装置的方法 | |
US7519395B2 (en) | Adaptive cancellation of fixed interferers | |
US8005432B2 (en) | Method and apparatus to improve closed loop transmit diversity modes performance via interference suppression in a WCDMA network equipped with a rake receiver | |
CN1197271C (zh) | 具有干扰信号抑制的接收站 | |
CN1653720A (zh) | 用于在移动通信系统中形成智能天线的前向链路发送波束的装置和方法 | |
US20060073790A1 (en) | Method and system for weight determination in a spatial multiplexing MIMO system for WCDMA/HSDPA | |
CN1770660A (zh) | 接收器内处理信号的方法和系统 | |
CN1568588A (zh) | 无线通信系统中的天线分集的方法和设备 | |
JP2000069570A (ja) | 無線通信システムにおいて容量を改善するための方法および装置 | |
CN101341671A (zh) | 用于反向链路发射波束成形的方法和装置 | |
CN1450822A (zh) | 具有多路发送和接收天线的移动通信装置及其方法 | |
JPH08213948A (ja) | 基地局構成 | |
CN101056130A (zh) | 在无线接收机中进行信号处理的方法和系统 | |
CN1393061A (zh) | 传输分集条件下直接序列码分多址信号的最小均方差接收 | |
US7342912B1 (en) | Selection of user-specific transmission parameters for optimization of transmit performance in wireless communications using a common pilot channel | |
CN1762108A (zh) | 用于闭环发射分集的权重预测 | |
WO2007063438A2 (en) | Interference cancellation in sector antenna | |
CN1265662C (zh) | 无线基站和移动台 | |
CN1802771A (zh) | 自适应天线接收方法和自适应天线接收机 | |
CN1706129A (zh) | 估计空间信道上的功率 | |
EP2013970A2 (en) | Receiver with afc function for operating in soft handover |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOTORALA SOLUTIONS Free format text: FORMER OWNER: MOTOROLA SOLUTIONS BRITISH INC. Effective date: 20140512 Owner name: MOTOROLA MOBILITY LLC Free format text: FORMER OWNER: MOTORALA SOLUTIONS Effective date: 20140512 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: MOTOROLA SOLUTIONS BRITISH INC. Free format text: FORMER NAME: MOTOROLA LIMITED |
|
CP01 | Change in the name or title of a patent holder |
Address after: England Hampshire Patentee after: Motorola solutions UK Ltd. Address before: England Hampshire Patentee before: MOTOROLA Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140512 Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA SOLUTIONS, Inc. Effective date of registration: 20140512 Address after: Illinois State Patentee after: MOTOROLA SOLUTIONS, Inc. Address before: England Hampshire Patentee before: Motorola solutions UK Ltd. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160302 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
|
CX01 | Expiry of patent term |
Granted publication date: 20030730 |
|
CX01 | Expiry of patent term |