MX9602585A - Disposicion de direccion de haz de enlace descendente de antena. - Google Patents
Disposicion de direccion de haz de enlace descendente de antena.Info
- Publication number
- MX9602585A MX9602585A MX9602585A MX9602585A MX9602585A MX 9602585 A MX9602585 A MX 9602585A MX 9602585 A MX9602585 A MX 9602585A MX 9602585 A MX9602585 A MX 9602585A MX 9602585 A MX9602585 A MX 9602585A
- Authority
- MX
- Mexico
- Prior art keywords
- beamsteering
- arrangement
- antenna downlink
- downlink
- steered
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
-
- 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
Landscapes
- Mobile Radio Communication Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Se describe una disposicion de estacion de base que incluye una disposicion de antena, en donde las señales de enlace ascendente se pesan con pesos de disposicion compleja y las señales de enlace descendente se dirigen, en donde las señales de enlace descendente se dirigen utilizando datos a partir de informacion direccional derivada de las señales de enlace ascendente. También se describe un método de operacion.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9514659.3A GB9514659D0 (en) | 1995-07-18 | 1995-07-18 | An antenna downlink beamsteering arrangement |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9602585A true MX9602585A (es) | 1997-03-29 |
Family
ID=10777833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9602585A MX9602585A (es) | 1995-07-18 | 1996-07-03 | Disposicion de direccion de haz de enlace descendente de antena. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5778324A (es) |
EP (1) | EP0755090B1 (es) |
DE (1) | DE69618394T2 (es) |
GB (1) | GB9514659D0 (es) |
MX (1) | MX9602585A (es) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3204111B2 (ja) * | 1996-08-28 | 2001-09-04 | 松下電器産業株式会社 | 指向性制御アンテナ装置 |
WO1998036597A1 (en) | 1997-02-13 | 1998-08-20 | Nokia Telecommunications Oy | Method and apparatus for directional radio communication |
DE69731978T2 (de) | 1997-02-13 | 2005-10-06 | Nokia Corp. | Verfahren und vorrichtung zur gerichteten funkübertragung |
EP0960451B1 (en) * | 1997-02-13 | 2002-05-22 | Nokia Corporation | Method and apparatus for directional radio communication |
JPH10336087A (ja) * | 1997-05-30 | 1998-12-18 | Kyocera Corp | 最大比合成送信ダイバーシティ装置 |
FI980616A (fi) * | 1997-11-05 | 1999-05-06 | Nokia Telecommunications Oy | Menetelmä parantaa radioyhteyden laatua solukkoradioverkossa |
GB2337171A (en) * | 1998-05-06 | 1999-11-10 | Motorola Ltd | Direction finder |
US6226531B1 (en) | 1998-08-24 | 2001-05-01 | Harris Corporation | High capacity broadband cellular/PCS base station using a phased array antenna |
US6314305B1 (en) | 1998-12-10 | 2001-11-06 | Lucent Technologies Inc. | Transmitter/receiver for combined adaptive array processing and fixed beam switching |
US6349219B1 (en) * | 1999-03-01 | 2002-02-19 | Lucent Technologies Inc. | Antenna array having reduced sensitivity to frequency-shift effects |
AT407807B (de) * | 1999-03-26 | 2001-06-25 | Nokia Networks Oy | Verfahren und vorrichtung zur strahlformung |
US6782277B1 (en) * | 1999-09-30 | 2004-08-24 | Qualcomm Incorporated | Wireless communication system with base station beam sweeping |
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 |
JP3416597B2 (ja) * | 1999-11-19 | 2003-06-16 | 三洋電機株式会社 | 無線基地局 |
US6470186B1 (en) | 2000-02-17 | 2002-10-22 | Visteon Global Technologies, Inc. | Antenna beam steering responsive to receiver and broadcast tower coordinates |
US6366853B1 (en) | 2000-02-17 | 2002-04-02 | Visteon Corporation | Utilizing navigation direction data in a mobile antenna signal combiner |
US6952587B2 (en) * | 2000-02-17 | 2005-10-04 | Visteon Global Technologies, Inc. | Antenna beam steering responsive to receiver and broadcast transmitter |
GB2363256B (en) * | 2000-06-07 | 2004-05-12 | Motorola Inc | Adaptive antenna array and method of controlling operation thereof |
CN1107424C (zh) * | 2000-06-12 | 2003-04-30 | 信息产业部电信科学技术研究院 | 在频分双工无线通信系统中使用智能天线的方法与装置 |
GB2382229A (en) * | 2001-11-15 | 2003-05-21 | Roke Manor Research | Adaptive antenna array with improved spatial diversity |
US7099644B2 (en) * | 2001-12-28 | 2006-08-29 | Visteon Global Technologies, Inc. | Beamsteering control system for a vehicle radio receiver |
US8194770B2 (en) | 2002-08-27 | 2012-06-05 | Qualcomm Incorporated | Coded MIMO systems with selective channel inversion applied per eigenmode |
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 |
US8570988B2 (en) | 2002-10-25 | 2013-10-29 | 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 |
US8208364B2 (en) | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
UA86752C2 (ru) * | 2002-10-25 | 2009-05-25 | Квелкомм Инкорпорейтед | Выявление и демодуляция данных в системах беспроводной связи |
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 |
US8320301B2 (en) * | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
US8134976B2 (en) | 2002-10-25 | 2012-03-13 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US7002900B2 (en) | 2002-10-25 | 2006-02-21 | Qualcomm Incorporated | Transmit diversity processing for a multi-antenna communication system |
US7324429B2 (en) | 2002-10-25 | 2008-01-29 | Qualcomm, Incorporated | Multi-mode terminal in a wireless MIMO system |
US6925380B1 (en) * | 2002-10-30 | 2005-08-02 | Acuere Technologies Corporation | Navigation control system |
US7069052B2 (en) | 2002-11-04 | 2006-06-27 | Nokia Corporation | Data transmission method in base station of radio system, base station of radio system, and antenna array of base station |
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 |
JP4457382B2 (ja) * | 2004-06-30 | 2010-04-28 | 株式会社日立製作所 | 無線通信基地局 |
US7466749B2 (en) | 2005-05-12 | 2008-12-16 | Qualcomm Incorporated | Rate selection with margin sharing |
US8358714B2 (en) | 2005-06-16 | 2013-01-22 | Qualcomm Incorporated | Coding and modulation for multiple data streams in a communication system |
EP1826872A1 (en) * | 2006-02-16 | 2007-08-29 | Siemens S.p.A. | Method for optimizing the spacing between receiving antennas of an array usable for counteracting both interference and fading in cellular systems |
US9998258B2 (en) * | 2009-03-18 | 2018-06-12 | Nokia Solutions And Networks Oy | Method of scheduling data |
US20120127970A1 (en) * | 2010-01-29 | 2012-05-24 | Anil Gupta | Wireless Network System And Method Configured To Mitigate Co-channel Interference |
US8967118B2 (en) * | 2011-01-14 | 2015-03-03 | GM Global Technology Operations LLC | Turbocharger boost control systems and methods for gear shifts |
FR3007587B1 (fr) * | 2013-06-24 | 2015-08-07 | Astrium Sas | Procede et systeme de surveillance d'une phase de transfert d'un satellite d'une orbite initiale vers une orbite de mission |
WO2015085466A1 (zh) | 2013-12-09 | 2015-06-18 | 华为技术有限公司 | 信号处理方法及基站 |
US9548852B2 (en) * | 2014-09-04 | 2017-01-17 | Commscope Technologies Llc | Antenna cross connect scheme for LTE |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4104641A (en) * | 1977-01-31 | 1978-08-01 | Hillel Unz | Nonuniformly optimally spaced array with specified sidelobe positions in the radiation pattern |
FR2640821B1 (fr) * | 1988-12-16 | 1991-05-31 | Thomson Csf | Antenne a couverture tridimensionnelle et balayage electronique, du type reseau volumique rarefie aleatoire |
US5274844A (en) * | 1992-05-11 | 1993-12-28 | Motorola, Inc. | Beam pattern equalization method for an adaptive array |
US5260968A (en) * | 1992-06-23 | 1993-11-09 | The Regents Of The University Of California | Method and apparatus for multiplexing communications signals through blind adaptive spatial filtering |
AU5354294A (en) * | 1992-10-09 | 1994-05-09 | E-Systems Incorporated | Adaptive co-channel interference reduction system for cellular telephone central base stations |
EP0595247B1 (en) * | 1992-10-28 | 1998-07-15 | Atr Optical And Radio Communications Research Laboratories | Apparatus for controlling array antenna comprising a plurality of antenna elements and method therefor |
-
1995
- 1995-07-18 GB GBGB9514659.3A patent/GB9514659D0/en active Pending
-
1996
- 1996-06-13 DE DE69618394T patent/DE69618394T2/de not_active Expired - Fee Related
- 1996-06-13 EP EP96304416A patent/EP0755090B1/en not_active Expired - Lifetime
- 1996-07-03 MX MX9602585A patent/MX9602585A/es unknown
- 1996-07-09 US US08/677,284 patent/US5778324A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69618394D1 (de) | 2002-02-14 |
EP0755090B1 (en) | 2002-01-09 |
GB9514659D0 (en) | 1995-09-13 |
EP0755090A1 (en) | 1997-01-22 |
DE69618394T2 (de) | 2002-11-14 |
US5778324A (en) | 1998-07-07 |
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