JP4875404B2 - アンテナ選択方法 - Google Patents
アンテナ選択方法 Download PDFInfo
- Publication number
- JP4875404B2 JP4875404B2 JP2006132842A JP2006132842A JP4875404B2 JP 4875404 B2 JP4875404 B2 JP 4875404B2 JP 2006132842 A JP2006132842 A JP 2006132842A JP 2006132842 A JP2006132842 A JP 2006132842A JP 4875404 B2 JP4875404 B2 JP 4875404B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- antennas
- selection
- sector
- selection method
- 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.)
- Expired - Fee Related
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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
- H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity
-
- 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
-
- 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
- H04B7/10—Polarisation diversity; Directional diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Description
2 移動端末
3 基地局
4 移動端末
A−B アンテナ
A1−An アンテナ
B1−Bm アンテナ
Pa−Pc アンテナの受信電力
Claims (6)
- N個のアンテナ各々のセクタから受信した信号を結合するシステムを有するデータ伝送システムにおけるアンテナ選択方法であって、前記N個のアンテナ各々はM個のセクタを有し、N及びMは複数であり、当該アンテナ選択方法は、
前記N個のアンテナを識別し、前記アンテナによる受信品質を測定するための選択パラメータを決定し、前記アンテナ各々のセクタを任意に選択することを含む初期設定段階と、
アンテナ各々において新たなデータフレーム各々を送信するのに最適なセクタを探す反復走査段階と、
を有し、前記反復走査段階は、
選択されたセクタに対してN個のアンテナ各々が受信した選択パラメータのレベルを測定する測定段階と、
あるアンテナを識別するために、前記選択パラメータの測定されたN個のレベルを比較する比較段階であって、該あるアンテナについて測定された選択パラメータのレベルは、測定された他の選択パラメータのレベルよりも低い、比較段階と、
アンテナの選択パラメータのレベルが他のアンテナのものより小さいままになるまで、少なくとも識別されたアンテナにおける隣接するセクタを選択し、前記測定段階に戻る、選択段階と
を有するアンテナ選択方法。 - 前記選択パラメータは、前記受信した信号の電力を表す、請求項1記載のアンテナ選択方法。
- 前記選択パラメータは、前記受信した信号の「信号対雑音」比を表す、請求項1記載のアンテナ選択方法。
- 前記選択パラメータは、前記受信した信号の電力及び「信号対雑音」比に基づいて算出されたパラメータである、請求項1記載のアンテナ選択方法。
- 前記選択パラメータのレベルに対する最小閾値が、該最小閾値を超えない選択パラメータを有するアンテナを除外できるように固定されている、請求項1記載のアンテナ選択方法。
- アンテナが安定状態である間、前記反復走査段階の繰り返しは削減される、請求項1記載のアンテナ選択方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0551260A FR2885750A1 (fr) | 2005-05-13 | 2005-05-13 | Methode de positionnement des antennes d'un systeme de transmission de donnees |
FR0551260 | 2005-05-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006319984A JP2006319984A (ja) | 2006-11-24 |
JP4875404B2 true JP4875404B2 (ja) | 2012-02-15 |
Family
ID=35539660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006132842A Expired - Fee Related JP4875404B2 (ja) | 2005-05-13 | 2006-05-11 | アンテナ選択方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7348924B2 (ja) |
EP (1) | EP1722490B1 (ja) |
JP (1) | JP4875404B2 (ja) |
CN (1) | CN1862996B (ja) |
DE (1) | DE602006013742D1 (ja) |
FR (1) | FR2885750A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4518999B2 (ja) * | 2005-05-17 | 2010-08-04 | 日本放送協会 | Mimo受信アンテナ選択装置 |
GB2484287A (en) | 2010-10-04 | 2012-04-11 | Vodafone Ip Licensing Ltd | Selecting base station radio systems for receiving and combining OFDM signals from a mobile station |
CN102571182B (zh) * | 2012-01-20 | 2014-08-13 | 杭州华三通信技术有限公司 | 一种无线局域网中接收天线的选择方法和装置 |
US20140072078A1 (en) * | 2012-08-29 | 2014-03-13 | Vadim Sergeyevich Sergeyev | Device, system and method of wireless communication utilizing one or more antenna arrays |
US9917363B1 (en) * | 2014-11-14 | 2018-03-13 | Sprint Communications Company L.P. | Adjustable cross-polarized antenna array elements |
US10461828B2 (en) * | 2017-12-27 | 2019-10-29 | Intel IP Corporation | Millimeter wave distributed network antenna sector switch |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4170759A (en) * | 1977-05-02 | 1979-10-09 | Motorola, Inc. | Antenna sampling system |
US4317229A (en) * | 1977-05-02 | 1982-02-23 | Motorola, Inc. | Sectored antenna receiving system |
US4101836A (en) * | 1977-05-02 | 1978-07-18 | Motorola, Inc. | Sectored antenna receiving system |
US4179759A (en) * | 1978-02-16 | 1979-12-25 | Smith James A | Artificial leg having a lockable knee joint |
JPH10256970A (ja) * | 1997-03-14 | 1998-09-25 | Nippon Telegr & Teleph Corp <Ntt> | 無線通信方式 |
US6167036A (en) * | 1998-11-24 | 2000-12-26 | Nortel Networks Limited | Method and apparatus for a sectored cell of a cellular radio communications system |
KR100360010B1 (ko) * | 2000-11-27 | 2002-11-07 | 에스케이 텔레콤주식회사 | 이동 통신 다중 섹터 안테나 시스템에서의 통화량 추정 장치 |
EP1394896A1 (de) * | 2002-08-29 | 2004-03-03 | Siemens Aktiengesellschaft | Ansteuerung einer Antennenanordnung, deren Umfeld in Sektoren unterteilt ist, um die Signalqualität einer Empfangstation an der Sektorengrenze zu verbessern |
US7953372B2 (en) * | 2003-04-07 | 2011-05-31 | Yoram Ofek | Directional antenna sectoring system and methodology |
-
2005
- 2005-05-13 FR FR0551260A patent/FR2885750A1/fr active Pending
-
2006
- 2006-04-28 EP EP06008906A patent/EP1722490B1/en not_active Expired - Fee Related
- 2006-04-28 DE DE602006013742T patent/DE602006013742D1/de active Active
- 2006-05-03 US US11/417,841 patent/US7348924B2/en not_active Expired - Fee Related
- 2006-05-11 CN CN2006100803477A patent/CN1862996B/zh not_active Expired - Fee Related
- 2006-05-11 JP JP2006132842A patent/JP4875404B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2006319984A (ja) | 2006-11-24 |
FR2885750A1 (fr) | 2006-11-17 |
US20060258402A1 (en) | 2006-11-16 |
CN1862996A (zh) | 2006-11-15 |
CN1862996B (zh) | 2011-07-20 |
EP1722490A1 (en) | 2006-11-15 |
EP1722490B1 (en) | 2010-04-21 |
DE602006013742D1 (de) | 2010-06-02 |
US7348924B2 (en) | 2008-03-25 |
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