WO2008123243A1 - 通信制御方法、通信システムおよび通信制御装置 - Google Patents
通信制御方法、通信システムおよび通信制御装置 Download PDFInfo
- Publication number
- WO2008123243A1 WO2008123243A1 PCT/JP2008/055565 JP2008055565W WO2008123243A1 WO 2008123243 A1 WO2008123243 A1 WO 2008123243A1 JP 2008055565 W JP2008055565 W JP 2008055565W WO 2008123243 A1 WO2008123243 A1 WO 2008123243A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- communication
- base station
- radio base
- communication control
- control device
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
-
- 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
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
第1無線基地局1-1が無線通信装置3へビームを向ける際に適用する第1重み係数に基づいて、通信制御装置2により、無線通信装置3が第1無線基地局1-1と隣接する第2無線基地局1-2と干渉せず、かつ第1無線基地局1-1による不感領域を、第2無線基地局1-2により補間するための第2重み係数を算出し、この第2重み係数を第2無線基地局1-2に送信して、第2無線基地局1-2のビームを生成する。これにより、隣接する無線基地局に干渉されることなく、不感領域を低減して安定して通信できる通信制御方法、通信システムおよび通信制御装置を提供する。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/593,733 US8306572B2 (en) | 2007-03-29 | 2008-03-25 | Communication control method, communication system and communication control apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-089410 | 2007-03-29 | ||
JP2007089410A JP5106902B2 (ja) | 2007-03-29 | 2007-03-29 | 通信制御方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008123243A1 true WO2008123243A1 (ja) | 2008-10-16 |
Family
ID=39830736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/055565 WO2008123243A1 (ja) | 2007-03-29 | 2008-03-25 | 通信制御方法、通信システムおよび通信制御装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8306572B2 (ja) |
JP (1) | JP5106902B2 (ja) |
WO (1) | WO2008123243A1 (ja) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8275314B1 (en) | 2007-08-13 | 2012-09-25 | Marvell International Ltd. | Bluetooth scan modes |
US8577305B1 (en) | 2007-09-21 | 2013-11-05 | Marvell International Ltd. | Circuits and methods for generating oscillating signals |
US8588705B1 (en) | 2007-12-11 | 2013-11-19 | Marvell International Ltd. | System and method of determining Power over Ethernet impairment |
US8315564B2 (en) * | 2008-06-16 | 2012-11-20 | Marvell World Trade Ltd. | Short-range wireless communication |
US8600324B1 (en) | 2008-06-27 | 2013-12-03 | Marvell International Ltd | Circuit and method for adjusting a digitally controlled oscillator |
US8472968B1 (en) | 2008-08-11 | 2013-06-25 | Marvell International Ltd. | Location-based detection of interference in cellular communications systems |
US9288764B1 (en) | 2008-12-31 | 2016-03-15 | Marvell International Ltd. | Discovery-phase power conservation |
WO2010084936A1 (ja) * | 2009-01-22 | 2010-07-29 | 京セラ株式会社 | 無線通信システム、無線端末、無線基地局、制御装置、及び無線通信方法 |
JP5244630B2 (ja) * | 2009-01-22 | 2013-07-24 | 京セラ株式会社 | 無線通信システム、無線端末、制御装置、及び無線通信方法 |
WO2010084937A1 (ja) * | 2009-01-22 | 2010-07-29 | 京セラ株式会社 | 無線基地局、無線端末および無線通信方法 |
JP5244631B2 (ja) * | 2009-01-22 | 2013-07-24 | 京セラ株式会社 | 無線装置および無線通信方法 |
KR101330744B1 (ko) * | 2009-03-24 | 2013-11-18 | 교세라 가부시키가이샤 | 무선통신시스템, 무선단말, 무선기지국, 제어장치 및 무선통신방법 |
US8472427B1 (en) | 2009-04-06 | 2013-06-25 | Marvell International Ltd. | Packet exchange arbitration for coexisting radios |
US8532041B1 (en) | 2009-04-24 | 2013-09-10 | Marvell International Ltd. | Method for transmitting information in a regulated spectrum and network configured to operate in the regulated spectrum |
US9066369B1 (en) | 2009-09-16 | 2015-06-23 | Marvell International Ltd. | Coexisting radio communication |
US8767771B1 (en) | 2010-05-11 | 2014-07-01 | Marvell International Ltd. | Wakeup beacons for mesh networks |
US8817662B2 (en) | 2010-10-20 | 2014-08-26 | Marvell World Trade Ltd. | Pre-association discovery |
JP5581230B2 (ja) * | 2011-01-07 | 2014-08-27 | 株式会社Nttドコモ | 無線基地局装置及び無線通信方法 |
US8750278B1 (en) | 2011-05-26 | 2014-06-10 | Marvell International Ltd. | Method and apparatus for off-channel device invitation |
US8983557B1 (en) | 2011-06-30 | 2015-03-17 | Marvell International Ltd. | Reducing power consumption of a multi-antenna transceiver |
US9125216B1 (en) | 2011-09-28 | 2015-09-01 | Marvell International Ltd. | Method and apparatus for avoiding interference among multiple radios |
WO2013119810A1 (en) | 2012-02-07 | 2013-08-15 | Marvell World Trade Ltd. | Method and apparatus for multi-network communication |
US9450649B2 (en) | 2012-07-02 | 2016-09-20 | Marvell World Trade Ltd. | Shaping near-field transmission signals |
EP2972627B1 (en) * | 2013-03-15 | 2019-05-08 | MTD Products Inc | Autonomous mobile work system comprising a variable reflectivity base station. |
JP5518230B2 (ja) * | 2013-04-03 | 2014-06-11 | 京セラ株式会社 | 無線端末およびプロセッサ |
CA2958889A1 (en) | 2014-09-05 | 2016-03-10 | Mtd Products Inc | Quick change lawn mower blades |
JP2017118462A (ja) * | 2015-12-25 | 2017-06-29 | 富士通株式会社 | 無線通信システムおよび基地局 |
JP6412078B2 (ja) * | 2016-09-28 | 2018-10-24 | ソフトバンク株式会社 | シミュレーション装置および制御プログラム |
US11412527B2 (en) * | 2019-07-01 | 2022-08-09 | Qualcomm Incorporated | Interference coordination region configuration |
JP7482755B2 (ja) | 2020-11-13 | 2024-05-14 | 三菱電機株式会社 | 移動通信システム、移動局、および基地局 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11234734A (ja) * | 1998-02-14 | 1999-08-27 | Motorola Kk | セルラ−システム及びその通信方式 |
JP2003008494A (ja) * | 2001-06-22 | 2003-01-10 | Kddi Corp | 無線基地局 |
JP2006270216A (ja) * | 2005-03-22 | 2006-10-05 | Hitachi Communication Technologies Ltd | 無線通信システム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11308037A (ja) | 1998-04-20 | 1999-11-05 | Mitsubishi Electric Corp | 基地局アンテナ装置 |
US6282426B1 (en) * | 1999-06-08 | 2001-08-28 | Nokia Mobile Phones Limited | Method, and associated apparatus, for determining geographic positioning of a wireless communication station operable in a non-ideal propagation environment |
US7039441B1 (en) * | 1999-10-19 | 2006-05-02 | Kathrein-Werke Kg | High speed fixed wireless voice/data systems and methods |
EP1202587B1 (en) * | 2000-10-31 | 2004-12-15 | Kabushiki Kaisha Toshiba | Wireless communication system, weight control apparatus, and weight vector generation method |
JP3954367B2 (ja) * | 2000-12-01 | 2007-08-08 | 株式会社日立コミュニケーションテクノロジー | 無線通信方法及びビーム方向可変型アンテナを用いた無線通信システム |
-
2007
- 2007-03-29 JP JP2007089410A patent/JP5106902B2/ja not_active Expired - Fee Related
-
2008
- 2008-03-25 WO PCT/JP2008/055565 patent/WO2008123243A1/ja active Application Filing
- 2008-03-25 US US12/593,733 patent/US8306572B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11234734A (ja) * | 1998-02-14 | 1999-08-27 | Motorola Kk | セルラ−システム及びその通信方式 |
JP2003008494A (ja) * | 2001-06-22 | 2003-01-10 | Kddi Corp | 無線基地局 |
JP2006270216A (ja) * | 2005-03-22 | 2006-10-05 | Hitachi Communication Technologies Ltd | 無線通信システム |
Also Published As
Publication number | Publication date |
---|---|
US20100248734A1 (en) | 2010-09-30 |
JP5106902B2 (ja) | 2012-12-26 |
JP2008252359A (ja) | 2008-10-16 |
US8306572B2 (en) | 2012-11-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2008123243A1 (ja) | 通信制御方法、通信システムおよび通信制御装置 | |
WO2009088225A3 (en) | Method for transmitting and receiving channel state information periodically or aperiodically | |
WO2011096749A3 (en) | A method for interference alignment in wireless network | |
WO2011111988A3 (ko) | 상향링크 전송전력을 제어하기 위한 방법 및 장치 | |
TW200620869A (en) | Asymmetrical MIMO wireless communications | |
WO2006105297A3 (en) | Apparatus and method for doppler shift compensation scheme | |
WO2011136567A3 (ko) | 소형 기지국 및 그의 상향링크 전력제어 방법 | |
WO2010050689A3 (en) | Method of controlling interference in a wireless communication system having multiple antennas | |
EP3989472A3 (en) | Methods and nodes in a wireless communication system | |
WO2010050776A3 (en) | Apparatus and method for uplink power control in wireless communication system | |
WO2013052491A3 (en) | Antenna time offset in multiple-input-multiple-output and coordinated multipoint transmissions | |
WO2008097041A3 (en) | Method for transmitting and receiving feedback information | |
WO2010036587A3 (en) | Apparatus and method for improved wireless communication reliability and performance in process control system | |
WO2008087838A1 (ja) | 基地局装置及び通信制御方法 | |
WO2008051845A3 (en) | Method for improving the performance of a wireless network utilizing beamforming weighting vectors | |
WO2013136315A3 (en) | Systems and methods for configuring downlink control channel transmissions in a wireless network | |
WO2012044115A3 (ko) | 제어 정보를 전송하는 방법 및 이를 위한 장치 | |
WO2013032188A3 (en) | Apparatus and method for selecting best beam in wireless communication system | |
WO2007126928A3 (en) | Deviation based antenna control algorithm for an access point | |
WO2012064079A3 (ko) | 무선 통신 시스템에서 데이터 송수신 방법 및 이를 위한 장치 | |
WO2008099807A1 (ja) | 基地局装置、移動局、無線通信システム及び通信制御方法 | |
WO2009140633A3 (en) | Spatial interference mitigation for wireless communication | |
WO2013002563A3 (ko) | 채널상태정보 전송방법 및 사용자 기기, 그리고 채널상태정보 수신방법 및 기지국 | |
WO2006069271A3 (en) | Methods and apparatus for mitigating multi-antenna correlation effect in communication systems | |
WO2012099412A3 (ko) | 무선 통신 시스템에서 중계기의 상향링크 신호 전송 방법 및 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 08722775 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 08722775 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12593733 Country of ref document: US |