CN1256820A - 确定发射方向的方法,以及无线*** - Google Patents
确定发射方向的方法,以及无线*** Download PDFInfo
- Publication number
- CN1256820A CN1256820A CN98805187A CN98805187A CN1256820A CN 1256820 A CN1256820 A CN 1256820A CN 98805187 A CN98805187 A CN 98805187A CN 98805187 A CN98805187 A CN 98805187A CN 1256820 A CN1256820 A CN 1256820A
- Authority
- CN
- China
- Prior art keywords
- base station
- terminal
- base
- station
- beam specific
- 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.)
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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
- H04B7/0621—Feedback content
- H04B7/0634—Antenna weights or vector/matrix coefficients
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI972109 | 1997-05-16 | ||
FI972109A FI105063B (fi) | 1997-05-16 | 1997-05-16 | Menetelmä lähetyssuunnan määrittämiseksi ja radiojärjestelmä |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1256820A true CN1256820A (zh) | 2000-06-14 |
CN1108030C CN1108030C (zh) | 2003-05-07 |
Family
ID=8548869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98805187A Expired - Fee Related CN1108030C (zh) | 1997-05-16 | 1998-05-15 | 确定发射方向的方法,以及无线*** |
Country Status (8)
Country | Link |
---|---|
US (1) | US6144340A (zh) |
EP (1) | EP0988715A2 (zh) |
JP (1) | JP2001526012A (zh) |
CN (1) | CN1108030C (zh) |
AU (1) | AU737485B2 (zh) |
FI (1) | FI105063B (zh) |
NO (1) | NO995589L (zh) |
WO (1) | WO1998053561A2 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1305325C (zh) * | 2002-05-23 | 2007-03-14 | 株式会社Ntt都科摩 | 无线通信方法、基站及接收终端 |
US7873387B2 (en) | 2001-08-06 | 2011-01-18 | Sanyo Electric Co., Ltd. | Radio base station apparatus, radio terminal apparatus, mobile communcation system, and reception operation control program |
CN101204107B (zh) * | 2005-05-11 | 2011-11-16 | 诺基亚西门子通信有限责任两合公司 | 无线电通信***中的跳波束 |
CN101064558B (zh) * | 2006-04-26 | 2011-12-28 | 大唐移动通信设备有限公司 | 一种无线通信***中实现广播组播的方法 |
Families Citing this family (61)
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EP1013003B1 (de) * | 1997-03-25 | 2003-05-14 | Siemens Aktiengesellschaft | Verfahren zum kanalschätzen aus über einen funkkanal übertragenen empfangssignalen |
US7440498B2 (en) | 2002-12-17 | 2008-10-21 | Tellabs Operations, Inc. | Time domain equalization for discrete multi-tone systems |
DK1068704T3 (da) | 1998-04-03 | 2012-09-17 | Tellabs Operations Inc | Filter til impulssvarforkortning, med yderligere spektrale begrænsninger, til multibærebølgeoverførsel |
US6795424B1 (en) * | 1998-06-30 | 2004-09-21 | Tellabs Operations, Inc. | Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems |
US6453177B1 (en) * | 1999-07-14 | 2002-09-17 | Metawave Communications Corporation | Transmitting beam forming in smart antenna array system |
US6778507B1 (en) * | 1999-09-01 | 2004-08-17 | Qualcomm Incorporated | Method and apparatus for beamforming in a wireless communication system |
US7295509B2 (en) | 2000-09-13 | 2007-11-13 | Qualcomm, Incorporated | Signaling method in an OFDM multiple access system |
US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
US7630346B2 (en) | 2000-09-29 | 2009-12-08 | Intel Corporation | Hopping on random access channels |
US7158493B1 (en) | 2000-09-29 | 2007-01-02 | Arraycomm, Llc | Radio communications system with a minimal broadcast channel |
US7349371B2 (en) | 2000-09-29 | 2008-03-25 | Arraycomm, Llc | Selecting random access channels |
DE60137961D1 (de) | 2000-11-30 | 2009-04-23 | Arraycomm Llc | Trainingsfolge für ein funkkommunikationssystem |
JP2002232341A (ja) * | 2001-02-02 | 2002-08-16 | Hitachi Ltd | 無線通信システム、スマートアンテナを有する無線基地局装置及び無線基地局装置と無線で通信する無線端末 |
US20030017853A1 (en) * | 2001-07-12 | 2003-01-23 | Sarnoff Corporation | Method and apparatus for enhancing the data transmission capacity of a wireless communication system |
US6907246B2 (en) * | 2001-11-20 | 2005-06-14 | Navini Networks, Inc. | Method and system for reducing wireless multi-cell interferences through segregated channel assignments and segregated antenna beams |
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 |
KR100689399B1 (ko) * | 2002-05-17 | 2007-03-08 | 삼성전자주식회사 | 이동통신시스템에서 스마트 안테나의 순방향 송신빔 형성장치 및 방법 |
US6785559B1 (en) | 2002-06-28 | 2004-08-31 | Interdigital Technology Corporation | System for efficiently covering a sectorized cell utilizing beam forming and sweeping |
US7043274B2 (en) * | 2002-06-28 | 2006-05-09 | Interdigital Technology Corporation | System for efficiently providing coverage of a sectorized cell for common and dedicated channels utilizing beam forming and sweeping |
US20040004951A1 (en) | 2002-07-05 | 2004-01-08 | Interdigital Technology Corporation | Method for performing wireless switching |
DE10238796B4 (de) * | 2002-08-23 | 2006-09-14 | Siemens Ag | Verfahren zur Richtungsbestimmung der Position einer Mobilstation relativ zu einer Basisstation, Mobilfunksystem sowie Einrichtung zur Richtungsbestimmung |
US6894993B2 (en) * | 2002-12-27 | 2005-05-17 | Arraycomm, Inc. | Detection and correction of channel swap in spatial division multiple access systems |
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 |
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 |
US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless 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 |
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 |
US7634277B2 (en) * | 2005-04-28 | 2009-12-15 | Cisco Technology, Inc. | Method for allocating channel resources for improving frequency utilization efficiency of wireless communication systems |
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 |
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 |
US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
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 |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
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 |
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 |
US9225416B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link in a wireless communication system |
US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
US8831607B2 (en) | 2006-01-05 | 2014-09-09 | Qualcomm Incorporated | Reverse link other sector communication |
CA2690990C (en) | 2007-07-16 | 2016-08-23 | Nortel Networks Limited | Providing space division multiple access in a wireless network |
WO2010122432A1 (en) * | 2009-04-21 | 2010-10-28 | Marvell World Trade Ltd | Multi-point opportunistic beamforming with selective beam attenuation |
GB2500927B (en) * | 2012-04-05 | 2014-11-19 | Broadcom Corp | Antenna using fading conditions to control radiation beam |
US9318799B2 (en) | 2013-03-29 | 2016-04-19 | Broadcom Corporation | Wireless communication apparatus and method for controlling antenna radiation patterns based on fading conditions |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2873320B2 (ja) * | 1989-09-19 | 1999-03-24 | 日本電信電話株式会社 | 移動局の在圏セクタ判定方式 |
JP2636718B2 (ja) * | 1993-12-27 | 1997-07-30 | 日本電気株式会社 | 移動通信システム |
US5508707A (en) * | 1994-09-28 | 1996-04-16 | U S West Technologies, Inc. | Method for determining position by obtaining directional information from spatial division multiple access (SDMA)-equipped and non-SDMA-equipped base stations |
DE19753932A1 (de) * | 1997-12-05 | 1999-06-10 | Cit Alcatel | Verfahren zur Bestimmung der Empfangsrichtung mittels einer Gruppenantenne, Funkfeststation und Funksystem |
-
1997
- 1997-05-16 FI FI972109A patent/FI105063B/fi active
-
1998
- 1998-05-15 AU AU74349/98A patent/AU737485B2/en not_active Ceased
- 1998-05-15 EP EP98921525A patent/EP0988715A2/en not_active Withdrawn
- 1998-05-15 WO PCT/FI1998/000415 patent/WO1998053561A2/en active IP Right Grant
- 1998-05-15 JP JP55000798A patent/JP2001526012A/ja not_active Ceased
- 1998-05-15 CN CN98805187A patent/CN1108030C/zh not_active Expired - Fee Related
-
1999
- 1999-11-12 US US09/439,624 patent/US6144340A/en not_active Expired - Lifetime
- 1999-11-15 NO NO995589A patent/NO995589L/no not_active Application Discontinuation
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7873387B2 (en) | 2001-08-06 | 2011-01-18 | Sanyo Electric Co., Ltd. | Radio base station apparatus, radio terminal apparatus, mobile communcation system, and reception operation control program |
US7873389B2 (en) | 2001-08-06 | 2011-01-18 | Sanyo Electric Co., Ltd. | Radio base station apparatus, radio terminal apparatus, mobile communication system, and reception operation control program |
US7873388B2 (en) | 2001-08-06 | 2011-01-18 | Sanyo Electric Co., Ltd. | Radio base station apparatus, radio terminal apparatus, mobile communication system, and reception operation control program |
US7881751B2 (en) | 2001-08-06 | 2011-02-01 | Sanyo Electric Co., Ltd. | Radio base station apparatus, radio terminal apparatus, mobile communication system, and reception operation control program |
CN1305325C (zh) * | 2002-05-23 | 2007-03-14 | 株式会社Ntt都科摩 | 无线通信方法、基站及接收终端 |
CN101204107B (zh) * | 2005-05-11 | 2011-11-16 | 诺基亚西门子通信有限责任两合公司 | 无线电通信***中的跳波束 |
CN101064558B (zh) * | 2006-04-26 | 2011-12-28 | 大唐移动通信设备有限公司 | 一种无线通信***中实现广播组播的方法 |
Also Published As
Publication number | Publication date |
---|---|
US6144340A (en) | 2000-11-07 |
FI972109A (fi) | 1998-11-17 |
WO1998053561A3 (en) | 1999-02-04 |
FI105063B (fi) | 2000-05-31 |
AU737485B2 (en) | 2001-08-23 |
JP2001526012A (ja) | 2001-12-11 |
AU7434998A (en) | 1998-12-11 |
FI972109A0 (fi) | 1997-05-16 |
WO1998053561A9 (en) | 1999-04-01 |
NO995589D0 (no) | 1999-11-15 |
EP0988715A2 (en) | 2000-03-29 |
NO995589L (no) | 1999-11-15 |
WO1998053561A2 (en) | 1998-11-26 |
CN1108030C (zh) | 2003-05-07 |
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Owner name: NOKIA AND SIEMENS NETWORKS CO., LTD. Free format text: FORMER OWNER: NOKIA NETWORKS OY Effective date: 20080718 |
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