JP2003529962A - 無線通信システムにおけるビーム形成の方法および装置 - Google Patents
無線通信システムにおけるビーム形成の方法および装置Info
- Publication number
- JP2003529962A JP2003529962A JP2001520962A JP2001520962A JP2003529962A JP 2003529962 A JP2003529962 A JP 2003529962A JP 2001520962 A JP2001520962 A JP 2001520962A JP 2001520962 A JP2001520962 A JP 2001520962A JP 2003529962 A JP2003529962 A JP 2003529962A
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- JP
- Japan
- Prior art keywords
- signal
- base station
- subscriber station
- transmit
- subscriber
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000004891 communication Methods 0.000 title abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 14
- 230000004044 response Effects 0.000 description 14
- 238000005457 optimization Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 239000002131 composite material Substances 0.000 description 7
- 230000002441 reversible effect Effects 0.000 description 7
- 230000001413 cellular effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 241000446410 Bathymaster signatus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000013442 quality metrics Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000000411 transmission spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Radar Systems Or Details Thereof (AREA)
- Time-Division Multiplex Systems (AREA)
- Burglar Alarm Systems (AREA)
- Radiation-Therapy Devices (AREA)
- Transceivers (AREA)
- Multi-Process Working Machines And Systems (AREA)
- Alarm Systems (AREA)
- Electroluminescent Light Sources (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/388,267 US6778507B1 (en) | 1999-09-01 | 1999-09-01 | Method and apparatus for beamforming in a wireless communication system |
| US09/388,267 | 1999-09-01 | ||
| PCT/US2000/023925 WO2001017131A1 (en) | 1999-09-01 | 2000-08-31 | Method and apparatus for beamforming in a wireless communication system |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010211223A Division JP5405422B2 (ja) | 1999-09-01 | 2010-09-21 | 無線通信システムにおけるビーム形成の方法および装置 |
| JP2011147645A Division JP5456727B2 (ja) | 1999-09-01 | 2011-07-01 | 無線通信システムにおけるビーム形成の方法および装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003529962A true JP2003529962A (ja) | 2003-10-07 |
| JP2003529962A5 JP2003529962A5 (enExample) | 2008-03-06 |
Family
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Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001520962A Withdrawn JP2003529962A (ja) | 1999-09-01 | 2000-08-31 | 無線通信システムにおけるビーム形成の方法および装置 |
| JP2010211223A Expired - Lifetime JP5405422B2 (ja) | 1999-09-01 | 2010-09-21 | 無線通信システムにおけるビーム形成の方法および装置 |
| JP2011147645A Expired - Lifetime JP5456727B2 (ja) | 1999-09-01 | 2011-07-01 | 無線通信システムにおけるビーム形成の方法および装置 |
| JP2013142155A Withdrawn JP2013255236A (ja) | 1999-09-01 | 2013-07-05 | 無線通信システムにおけるビーム形成の方法および装置 |
| JP2013233557A Expired - Lifetime JP5784684B2 (ja) | 1999-09-01 | 2013-11-11 | 無線通信システムにおけるビーム形成の方法および装置 |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010211223A Expired - Lifetime JP5405422B2 (ja) | 1999-09-01 | 2010-09-21 | 無線通信システムにおけるビーム形成の方法および装置 |
| JP2011147645A Expired - Lifetime JP5456727B2 (ja) | 1999-09-01 | 2011-07-01 | 無線通信システムにおけるビーム形成の方法および装置 |
| JP2013142155A Withdrawn JP2013255236A (ja) | 1999-09-01 | 2013-07-05 | 無線通信システムにおけるビーム形成の方法および装置 |
| JP2013233557A Expired - Lifetime JP5784684B2 (ja) | 1999-09-01 | 2013-11-11 | 無線通信システムにおけるビーム形成の方法および装置 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US6778507B1 (enExample) |
| EP (4) | EP1208658B1 (enExample) |
| JP (5) | JP2003529962A (enExample) |
| KR (3) | KR100910957B1 (enExample) |
| CN (4) | CN1264288C (enExample) |
| AT (2) | ATE406711T1 (enExample) |
| AU (1) | AU6948400A (enExample) |
| BR (1) | BRPI0013670B1 (enExample) |
| DE (1) | DE60040078D1 (enExample) |
| DK (1) | DK1816759T3 (enExample) |
| ES (1) | ES2383537T3 (enExample) |
| HK (1) | HK1049239B (enExample) |
| PT (1) | PT1816759E (enExample) |
| WO (1) | WO2001017131A1 (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007228211A (ja) * | 2006-02-23 | 2007-09-06 | Hitachi Communication Technologies Ltd | 無線通信方法、基地局及び無線通信システム |
| JP2008022558A (ja) * | 2006-07-12 | 2008-01-31 | Ntt Docomo Inc | 中継局によるセルラーネットワーク及び空間分割デュプレクス通信方法 |
| JP2009521192A (ja) * | 2005-12-20 | 2009-05-28 | クゥアルコム・インコーポレイテッド | 無線通信において高度な位置決めを提供するための方法及びシステム |
| JP2009525004A (ja) * | 2006-01-27 | 2009-07-02 | クゥアルコム・インコーポレイテッド | 送信タイミングを進めることによって、ｏｆｄｍブロードキャスト送信機の有効範囲を拡張する方法およびツール |
| JP2011515920A (ja) * | 2008-03-11 | 2011-05-19 | インテル・コーポレーション | 高速適応ビームトラッキングを備えるミリ波ｗｐａｎ通信システム |
Families Citing this family (80)
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| US6278726B1 (en) | 1999-09-10 | 2001-08-21 | Interdigital Technology Corporation | Interference cancellation in a spread spectrum communication system |
| US6115406A (en) * | 1999-09-10 | 2000-09-05 | Interdigital Technology Corporation | Transmission using an antenna array in a CDMA communication system |
| JP3874991B2 (ja) * | 2000-04-21 | 2007-01-31 | 株式会社東芝 | 無線基地局およびそのフレーム構成方法 |
| US7139324B1 (en) * | 2000-06-02 | 2006-11-21 | Nokia Networks Oy | Closed loop feedback system for improved down link performance |
| GB0016008D0 (en) * | 2000-06-29 | 2000-08-23 | Nokia Networks Oy | Capacity changes in transceiver apparatus |
| US7911993B2 (en) | 2000-07-19 | 2011-03-22 | Ipr Licensing, Inc. | Method and apparatus for allowing soft handoff of a CDMA reverse link utilizing an orthogonal channel structure |
| US8537656B2 (en) | 2000-07-19 | 2013-09-17 | Ipr Licensing, Inc. | Method for compensating for multi-path of a CDMA reverse link utilizing an orthogonal channel structure |
| US7469297B1 (en) | 2000-08-04 | 2008-12-23 | Intellon Corporation | Mechanism for using a quasi-addressed response to bind to a message requesting the response |
| US6907044B1 (en) | 2000-08-04 | 2005-06-14 | Intellon Corporation | Method and protocol to support contention-free intervals and QoS in a CSMA network |
| US6987770B1 (en) | 2000-08-04 | 2006-01-17 | Intellon Corporation | Frame forwarding in an adaptive network |
| US6909723B1 (en) | 2000-08-04 | 2005-06-21 | Intellon Corporation | Segment bursting with priority pre-emption and reduced latency |
| US7352770B1 (en) | 2000-08-04 | 2008-04-01 | Intellon Corporation | Media access control protocol with priority and contention-free intervals |
| US7298691B1 (en) * | 2000-08-04 | 2007-11-20 | Intellon Corporation | Method and protocol to adapt each unique connection in a multi-node network to a maximum data rate |
| US8019068B2 (en) * | 2000-12-01 | 2011-09-13 | Alcatel Lucent | Method of allocating power for the simultaneous downlink conveyance of information between multiple antennas and multiple destinations |
| CN100388654C (zh) * | 2001-05-03 | 2008-05-14 | 中兴通讯股份有限公司 | 一种基于多波束天线的宽带码分多址基站物理层实现方法 |
| US6788268B2 (en) | 2001-06-12 | 2004-09-07 | Ipr Licensing, Inc. | Method and apparatus for frequency selective beam forming |
| US6917581B2 (en) * | 2001-07-17 | 2005-07-12 | Ipr Licensing, Inc. | Use of orthogonal or near orthogonal codes in reverse link |
| US20030050074A1 (en) * | 2001-09-12 | 2003-03-13 | Kogiantis Achilles George | Method for the simultaneous uplink and downlink conveyance of information between multiple mobiles and a base station equipped with multiple antennas |
| US7558602B2 (en) * | 2001-09-12 | 2009-07-07 | Alcatel-Lucent Usa Inc. | Method for multi-antenna scheduling of HDR wireless communication systems |
| EP1359684A1 (en) * | 2002-04-30 | 2003-11-05 | Motorola Energy Systems Inc. | Wireless transmission using an adaptive transmit antenna array |
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| 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 |
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| JP2016184967A (ja) * | 2005-12-20 | 2016-10-20 | クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ | 無線通信において高度な位置決めを提供するための方法及びシステム |
| JP2009525004A (ja) * | 2006-01-27 | 2009-07-02 | クゥアルコム・インコーポレイテッド | 送信タイミングを進めることによって、ｏｆｄｍブロードキャスト送信機の有効範囲を拡張する方法およびツール |
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| US8111681B2 (en) | 2006-02-23 | 2012-02-07 | Hitachi, Ltd. | Wireless data communication method for a base station using a common pilot channel and an individual pilot channel |
| JP2008022558A (ja) * | 2006-07-12 | 2008-01-31 | Ntt Docomo Inc | 中継局によるセルラーネットワーク及び空間分割デュプレクス通信方法 |
| JP2011515920A (ja) * | 2008-03-11 | 2011-05-19 | インテル・コーポレーション | 高速適応ビームトラッキングを備えるミリ波ｗｐａｎ通信システム |
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