JP5432879B2 - マルチビームアンテナシステムのための方法と装置 - Google Patents
マルチビームアンテナシステムのための方法と装置 Download PDFInfo
- Publication number
- JP5432879B2 JP5432879B2 JP2010257295A JP2010257295A JP5432879B2 JP 5432879 B2 JP5432879 B2 JP 5432879B2 JP 2010257295 A JP2010257295 A JP 2010257295A JP 2010257295 A JP2010257295 A JP 2010257295A JP 5432879 B2 JP5432879 B2 JP 5432879B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- user
- specific
- antenna
- common
- 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
Links
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
-
- 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
- H01Q3/30—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 varying the relative phase between the radiating elements of an array
- H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/40—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 varying the relative phase between the radiating elements of an array by electrical means with phasing matrix
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
- Details Of Aerials (AREA)
Description
s.t.μ(w)2≧μtarget 2,Imμ=0
Claims (14)
- 共通信号を含むセクタセルの大部分をカバーする広いビームと、移動体ユーザ固有の信号を含む前記セクタセルの一部分のみをカバーする少なくとも1つの狭いビームとを送信するマルチプルアンテナ要素を含むアンテナアレイ(12)と前記アンテナアレイ(12)に結合された送信回路(20)とを有する装置であって、
前記装置は、
前記ユーザ固有の信号を、対応するアンテナ要素に関連する複数の分割されたユーザ固有の信号に分割しかつそれぞれの前記分割されたユーザ固有の信号にビーム重み付けする第1の重み付け部(28)と、
前記共通信号を、対応するアンテナ要素に関連する複数の分割された共通信号に分割しかつそれぞれの前記分割された共通信号にビーム重み付けする第2の重み付け部(29)と、
同一の前記対応するアンテナ要素に関連する前記分割されたユーザ固有の信号の一つと前記分割された共通信号の一つとを加算して各アンテナ要素のための加算信号を生成する複数の加算器(26)と、
各アンテナ要素により送信される前記加算された信号をフィルタする複数のアンテナ固有の送信フィルタ(24)であって、前記複数のアンテナ要素の異なる一つに関連し、利得、位相、タイミングの点で歪みなく前記共通及び前記ユーザ固有のベースバンド信号が各アンテナ要素に到達するように構成された前記アンテナ固有の送信フィルタ(24)とを有し、
前記複数のアンテナ固有の送信フィルタ(24)は前記ユーザ固有の信号に対するビーム重み付けと共に、前記ユーザ固有の信号と前記共通信号とが、前記セクタセルの移動局において受信されたときには、実質的に時間合わせがなされており、制御された位相差をもつことを保証することを特徴とする装置。 - 前記複数のアンテナ固有の送信フィルタは、前記共通信号と前記ユーザ固有信号のベースバンド周波数から無線周波数への変換に関係する前記共通信号と前記ユーザ固有信号とにおける歪を補償するために構成されているフィルタ回路(24)を含むことを特徴とする請求項1に記載の装置。
- 前記ユーザ固有の信号ビームの重みと前記共通信号ビームの重みは夫々、前記ユーザ固有の信号と前記共通信号の位相を回転させ、増幅させるために用いられる複素数であることを特徴とする請求項1又は2に記載の装置。
- 前記ユーザ固有のビームの重みは、移動体ユーザによって受信される前記共通信号と前記ユーザ固有信号との間の位相差の標準偏差が、所望のサービス品質を保証する目標値以下であるように、前記移動体ユーザに割り当てられた送信電力を最小化するように選択されることを特徴とする請求項1乃至3のいずれか1項に記載の装置。
- 前記マルチプルアンテナ要素は、N個のアンテナ要素(14)からなり、
前記N個のアンテナ要素(14)に結合され、N個の受信ビームを生成するビーム形成ネットワーク(16)と、
前記ビーム形成ネットワーク(16)に結合される受信回路(22)と、
前記受信回路(22)に結合され、前記N個の受信ビームで受信した信号を処理し、受信信号を評価し、前記受信信号が伝播するチャネルの統計値を決定する信号プロセッサ(32)とをさらに有することを特徴とする請求項1乃至4項のいずれか1項に記載の装置。 - 夫々がN個のアンテナ要素(14)を含み、共通信号を含むセクタセルの大部分をカバーする広いビームと、移動体ユーザ固有の信号を含む前記セクタセルの一部分のみをカバーする少なくとも1つの狭いビームとを送信する第1及び第2のアンテナアレイ(12)と、
前記第1のアンテナアレイに結合され、前記ユーザ固有の信号と前記共通信号とを前記第1のアンテナアレイに提供する第1の送信回路(20)と、
前記第2のアンテナアレイに結合され、前記ユーザ固有の信号と前記共通信号とを前記第2のアンテナアレイに提供する第2の送信回路(20)と、
前記第1の送信回路に結合され、前記第1のアンテナ要素からの前記ユーザ固有の信号と前記共通信号とが前記セクタセルの移動体で受信されたときに、実質的に時間合わせがなされており、かつ制御された位相差をもつことを保証する第1の回路(24,26,28,29)と、
前記第2の送信回路に結合され、前記第2のアンテナ要素からの前記ユーザ固有の信号と前記共通信号とが前記セクタセルの移動体で受信されたときに、実質的に時間合わせがなされており、かつ制御された位相差をもつことを保証する第2の回路(24,26,28,29)とをさらに有することを特徴とする請求項1乃至5のいずれか1項に記載の装置。 - 前記第1のアンテナアレイ(12)に結合された第1のビーム形成ネットワーク(16)と、
前記第1のビーム形成ネットワーク(16)に結合された第1の受信回路(22)と、
前記第2のアンテナアレイ(12)に結合された第2のビーム形成ネットワーク(16)と、
前記第2のビーム形成ネットワーク(16)に結合された第2の受信回路(22)と、
前記第1及び第2の受信回路に結合され、前記第1のビーム形成ネットワークからの前記N個のビームと前記第2のビーム形成ネットワークからの前記N個のビームとで受信された信号を処理して、受信信号を評価する信号プロセッサ(32)とをさらに有することを特徴とする請求項6に記載の装置。 - マルチプルアンテナ要素を含むアンテナアレイ(12)を有した無線ノードで用いられ、ユーザ固有の信号と共通信号とが、セクタセルの移動局において受信されたときには、実質的に時間合わせがなされており、かつ制御された位相差をもつことを保証するために、前記ユーザ固有の信号と前記共通信号とを処理する方法であって、
前記ユーザ固有の信号を、対応するアンテナ要素に関連する複数の分割されたユーザ固有の信号に分割しかつそれぞれの前記分割されたユーザ固有の信号にビーム重み付けする工程と、
前記共通信号を、対応するアンテナ要素に関連する複数の分割された共通信号に分割しかつそれぞれの前記分割された共通信号にビーム重み付けする工程と、
同一の前記対応するアンテナ要素に関連する前記分割されたユーザ固有の信号と対応する前記分割された共通信号とを加算して各アンテナ要素のための加算信号を生成する工程と、
各アンテナ要素により送信される前記加算された信号を複数のアンテナ固有の送信フィルタ(24)によりフィルタする工程であって、それぞれのアンテナ固有の送信フィルタは、前記複数のアンテナの内の異なる一つに関連しており、前記アンテナ固有の送信フィルタは、利得、位相、タイミングの点で歪みなく前記共通及び前記ユーザ固有のベースバンド信号が各アンテナ要素に到達するようにされている工程と、
前記共通信号を含む前記セクタセルの大部分をカバーする広いビームと、前記ユーザ固有の信号を含む前記セクタセルの一部分のみをカバーする少なくとも1つの狭いビームとを、前記アンテナアレイ(12)から同時に送信する工程とを有することを特徴とする方法。 - 前記ユーザ固有の信号のビームの重みと前記共通信号のビームの重みは夫々、前記ユーザ固有の信号と前記共通信号の位相を回転させ、増幅させるために用いられる複素数であることを特徴とする請求項8に記載の方法。
- 前記ユーザ固有の重みを、前記受信信号が受信された角度の関数としての、平均受信信号の複素測定値である平均空間符号定数にマッチするように選択する工程をさらに有することを特徴とする請求項8又は9に記載の方法。
- 前記ユーザ固有のビームの重みを、移動体ユーザによって受信される前記共通信号と前記ユーザ固有信号との間の位相差の標準偏差が、所望のサービス品質を保証する目標値以下であるように、前記移動体ユーザに割り当てられた送信電力を最小化するように選択する工程をさらに有することを特徴とする請求項8乃至10のいずれか1項に記載の方法。
- 前記マルチプルアンテナ要素は、N個のアンテナ要素(14)からなり、
前記ユーザ固有の信号と前記共通信号とは夫々、N個のユーザ固有の信号ビーム重みとN個の共通信号ビーム重みとを用いて決定される電力により、同時に前記N個のアンテナ要素(14)から送信され、
前記N個のユーザ固有の信号ビーム重みとN個の共通信号ビーム重みの夫々は、前記N個のアンテナ要素の1つに対応しており、
前記ユーザ固有のビーム重みを選択して、前記アンテナアレイからの輻射エネルギーを所望の移動体ユーザに向ける工程と、
前記共通信号のビーム重みを選択して、前記アンテナアレイからの輻射エネルギーを所望の形にする工程とをさらに有することを特徴とする請求項8乃至11のいずれか1項に記載の方法。 - 前記処理は、前記共通信号と前記ユーザ固有信号とをベースバンド周波数から無線周波数へ変換するのに関係する前記共通信号と前記ユーザ固有信号とにおける歪を補償することを含むことを特徴とする請求項8乃至12のいずれか1項に記載の方法。
- 2つの送信ダイバーシチのブランチで実施されることを特徴とする請求項8乃至13のいずれか1項に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/704,158 | 2003-11-10 | ||
US10/704,158 US7664533B2 (en) | 2003-11-10 | 2003-11-10 | Method and apparatus for a multi-beam antenna system |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006539425A Division JP2007511165A (ja) | 2003-11-10 | 2004-10-26 | マルチビームアンテナシステムのための方法と装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011101378A JP2011101378A (ja) | 2011-05-19 |
JP5432879B2 true JP5432879B2 (ja) | 2014-03-05 |
Family
ID=34552059
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006539425A Pending JP2007511165A (ja) | 2003-11-10 | 2004-10-26 | マルチビームアンテナシステムのための方法と装置 |
JP2010257295A Expired - Fee Related JP5432879B2 (ja) | 2003-11-10 | 2010-11-17 | マルチビームアンテナシステムのための方法と装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006539425A Pending JP2007511165A (ja) | 2003-11-10 | 2004-10-26 | マルチビームアンテナシステムのための方法と装置 |
Country Status (11)
Country | Link |
---|---|
US (1) | US7664533B2 (ja) |
EP (1) | EP1685661B1 (ja) |
JP (2) | JP2007511165A (ja) |
KR (1) | KR101162391B1 (ja) |
CN (1) | CN1879317B (ja) |
AT (1) | ATE387760T1 (ja) |
DE (1) | DE602004012136T2 (ja) |
ES (1) | ES2302043T3 (ja) |
HK (1) | HK1100794A1 (ja) |
MX (1) | MXPA06004774A (ja) |
WO (1) | WO2005046080A1 (ja) |
Families Citing this family (144)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
US7295509B2 (en) | 2000-09-13 | 2007-11-13 | Qualcomm, Incorporated | Signaling method in an OFDM multiple access system |
KR101195778B1 (ko) * | 2003-05-17 | 2012-11-05 | 큐인텔 테크놀로지 리미티드 | 조정가능한 전기적인 틸트를 갖는 위상 어레이 안테나시스템 |
US7054664B2 (en) * | 2003-10-30 | 2006-05-30 | Lucent Technologies Inc. | Method and apparatus for providing user specific downlink beamforming in a fixed beam network |
US7522939B2 (en) * | 2003-12-16 | 2009-04-21 | Mitsubishi Denki Kabushiki Kaisha | Radio communication apparatus |
US7313417B2 (en) * | 2003-12-19 | 2007-12-25 | Electronics And Telecommunications Research Institute | Transceiver for a base station with smart antenna and a switched beamforming method in downlink |
KR100818774B1 (ko) | 2004-01-29 | 2008-04-03 | 포스데이타 주식회사 | 광대역 무선 통신 시스템에서 다중-반송파 및 직접 시퀀스확산 스펙트럼 신호를 중첩시키는 방법 및 장치 |
US10749582B2 (en) | 2004-04-02 | 2020-08-18 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
US11309943B2 (en) | 2004-04-02 | 2022-04-19 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US10985811B2 (en) | 2004-04-02 | 2021-04-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US11394436B2 (en) | 2004-04-02 | 2022-07-19 | Rearden, Llc | System and method for distributed antenna wireless communications |
US9312929B2 (en) | 2004-04-02 | 2016-04-12 | Rearden, Llc | System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS) |
US10200094B2 (en) | 2004-04-02 | 2019-02-05 | Rearden, Llc | Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems |
US10425134B2 (en) | 2004-04-02 | 2019-09-24 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US10886979B2 (en) | 2004-04-02 | 2021-01-05 | Rearden, Llc | System and method for link adaptation in DIDO multicarrier systems |
US8654815B1 (en) | 2004-04-02 | 2014-02-18 | Rearden, Llc | System and method for distributed antenna wireless communications |
US11451275B2 (en) | 2004-04-02 | 2022-09-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10277290B2 (en) | 2004-04-02 | 2019-04-30 | Rearden, Llc | Systems and methods to exploit areas of coherence in wireless systems |
US8542763B2 (en) | 2004-04-02 | 2013-09-24 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
JP4663369B2 (ja) * | 2004-05-20 | 2011-04-06 | パナソニック株式会社 | 無線通信システム、無線通信方法、基地局装置及び端末装置 |
KR20050120441A (ko) * | 2004-06-18 | 2005-12-22 | 삼성전자주식회사 | 다중 안테나를 사용하는 이동통신 시스템의 송신다이버시티 장치 및 방법 |
US7548592B2 (en) * | 2004-07-02 | 2009-06-16 | James Stuart Wight | Multiple input, multiple output communications systems |
US7738595B2 (en) * | 2004-07-02 | 2010-06-15 | James Stuart Wight | Multiple input, multiple output communications systems |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
US9685997B2 (en) | 2007-08-20 | 2017-06-20 | Rearden, Llc | Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems |
US7299070B2 (en) * | 2004-08-13 | 2007-11-20 | Broadcom Corporation | Dynamic MIMO resource allocation during a single communication |
US7711374B2 (en) * | 2004-08-13 | 2010-05-04 | Broadcom Corporation | Dynamic reconfiguration of communication resources in a multi-transceiver configuration |
US7440777B2 (en) | 2004-08-13 | 2008-10-21 | Broadcom Corporation | Multi-transceiver system with MIMO and beam-forming capability |
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 |
US8483200B2 (en) * | 2005-04-07 | 2013-07-09 | Interdigital Technology Corporation | Method and apparatus for antenna mapping selection in MIMO-OFDM wireless networks |
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 |
US20060270434A1 (en) * | 2005-05-27 | 2006-11-30 | Interdigital Technology Corporation | Uplink power control optimization for a switched beam wireless transmit/receive unit |
US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
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 |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation 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 |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
JP4542980B2 (ja) * | 2005-10-31 | 2010-09-15 | 株式会社東芝 | 無線装置 |
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 |
CA2540218A1 (en) * | 2006-03-17 | 2007-09-17 | Hafedh Trigui | Asymmetric beams for spectrum efficiency |
CA2540220A1 (en) * | 2006-03-17 | 2007-09-17 | Tenxc Wireless Inc. | Split-sector array |
EP1843485B1 (en) | 2006-03-30 | 2016-06-08 | Sony Deutschland Gmbh | Multiple-input multiple-output (MIMO) spatial multiplexing system with dynamic antenna beam combination selection capability |
US7663546B1 (en) * | 2006-06-23 | 2010-02-16 | Oceanit Laboratories, Inc. | Real-time autonomous beam steering array for satellite communications |
KR101402984B1 (ko) * | 2006-07-07 | 2014-06-09 | 삼성전자주식회사 | 통신 시스템의 신호 송신 방법 및 장치 |
KR100841933B1 (ko) * | 2006-09-29 | 2008-06-27 | 포스데이타 주식회사 | 무선 통신 시스템에서 주파수 중복 사용 방법 및 장치 |
US20100003034A1 (en) * | 2007-01-30 | 2010-01-07 | Georgia Tech Research Corporation | Systems and methods for adaptive polarization transmission |
WO2008115115A1 (en) * | 2007-03-22 | 2008-09-25 | Telefonaktiebolaget Lm Ericsson | Increasing a sectorization order in a first sector of an antenna array |
US7933562B2 (en) * | 2007-05-11 | 2011-04-26 | Broadcom Corporation | RF transceiver with adjustable antenna assembly |
US8326365B2 (en) | 2007-05-29 | 2012-12-04 | Qualcomm Incorporated | Sectorized base stations as multiple antenna systems |
CN102664663B (zh) | 2007-07-05 | 2015-04-08 | 松下电器(美国)知识产权公司 | 无线通信装置、无线通信***以及无线通信方法 |
CN101431357B (zh) * | 2007-11-08 | 2012-11-07 | 电信科学技术研究院 | 一种数据传输的方法和装置 |
CN101582711B (zh) * | 2008-05-14 | 2012-08-01 | 电信科学技术研究院 | 一种天线模式选择方法、***及装置 |
EP2120364B1 (en) * | 2008-05-16 | 2010-07-14 | Alcatel Lucent | Semi-static beamforming method and apparatus thereof |
JP5033731B2 (ja) * | 2008-07-29 | 2012-09-26 | 京セラ株式会社 | 無線基地局および無線通信方法 |
EP2347470A4 (en) * | 2008-10-13 | 2012-04-11 | Elektrobit Wireless Comm Oy | ANTENNA BEAM |
US8000655B2 (en) * | 2008-12-19 | 2011-08-16 | Telefonaktiebolaget L M Ericsson (Publ) | Uplink multi-cell signal processing for interference suppression |
GB2467770B (en) * | 2009-02-13 | 2011-08-17 | Socowave Technologies Ltd | Communication system, apparatus and method for antenna array control |
EP2226890A1 (en) * | 2009-03-03 | 2010-09-08 | Hitachi Cable, Ltd. | Mobile communication base station antenna |
US8692730B2 (en) * | 2009-03-03 | 2014-04-08 | Hitachi Metals, Ltd. | Mobile communication base station antenna |
US8830918B2 (en) * | 2009-03-16 | 2014-09-09 | Interdigital Patent Holdings, Inc. | Method and apparatus for performing uplink transmit diversity |
CN101515817B (zh) * | 2009-03-17 | 2014-06-18 | 中兴通讯股份有限公司南京分公司 | 一种多天线发射分集方法及装置 |
CN101562471B (zh) * | 2009-05-22 | 2013-03-06 | 南京邮电大学 | 正交调制基带信号加权波束形成方法及设备 |
US8526553B2 (en) * | 2009-06-08 | 2013-09-03 | Telefonaktiebolaget L M Ericsson (Publ) | Wireless communication node connections |
GB2471669B (en) * | 2009-07-06 | 2012-04-04 | Socowave Technologies Ltd | Wireless network element and method for antenna array control |
WO2011037501A1 (en) * | 2009-09-24 | 2011-03-31 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement in a telecommunication system |
TW201234793A (en) | 2011-02-11 | 2012-08-16 | Interdigital Patent Holdings | Method and apparatus for closed loop transmit diversity transmission initial access |
US8981993B2 (en) * | 2011-04-27 | 2015-03-17 | Telefonaktiebolaget L M Ericsson (Publ) | Beamforming methods and apparatuses |
EP2719016B1 (en) * | 2011-06-06 | 2016-09-14 | Poynting Antennas (Proprietary) Limited | Multi-beam multi-radio antenna |
KR101533672B1 (ko) * | 2011-08-24 | 2015-07-03 | 엠파이어 테크놀로지 디벨롭먼트 엘엘씨 | 빔 형상 커버리지 구성을 통한 사이클링에 의한 네트워크 커버리지 |
KR20130043792A (ko) | 2011-10-21 | 2013-05-02 | 한국전자통신연구원 | 안테나 장치 |
US9203160B2 (en) * | 2011-12-21 | 2015-12-01 | Sony Corporation | Antenna arrangement and beam forming device |
US9275690B2 (en) | 2012-05-30 | 2016-03-01 | Tahoe Rf Semiconductor, Inc. | Power management in an electronic system through reducing energy usage of a battery and/or controlling an output power of an amplifier thereof |
US9509351B2 (en) | 2012-07-27 | 2016-11-29 | Tahoe Rf Semiconductor, Inc. | Simultaneous accommodation of a low power signal and an interfering signal in a radio frequency (RF) receiver |
US9215622B1 (en) * | 2012-07-30 | 2015-12-15 | GoNet Systems Ltd. | Method and systems for associating wireless transmission with directions-of-arrival thereof |
US11189917B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for distributing radioheads |
US11050468B2 (en) | 2014-04-16 | 2021-06-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
US10194346B2 (en) | 2012-11-26 | 2019-01-29 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US11190947B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for concurrent spectrum usage within actively used spectrum |
US20220013906A1 (en) * | 2012-12-19 | 2022-01-13 | Go Net Systems Ltd | Methods and systems for using a beam-forming network in conjunction with maximal-ratio-combining techniques |
US9231681B2 (en) * | 2013-01-21 | 2016-01-05 | Intel Corporation | Apparatus, system and method of wireless backhaul and access communication via a common antenna array |
US10164698B2 (en) | 2013-03-12 | 2018-12-25 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US9531070B2 (en) | 2013-03-15 | 2016-12-27 | Christopher T. Schiller | Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through accommodating differential coupling between VCOs thereof |
US9722310B2 (en) | 2013-03-15 | 2017-08-01 | Gigpeak, Inc. | Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through frequency multiplication |
US9526074B2 (en) | 2013-03-15 | 2016-12-20 | Google Technology Holdings LLC | Methods and apparatus for determining a transmit antenna gain and a spatial mode of a device |
US9666942B2 (en) | 2013-03-15 | 2017-05-30 | Gigpeak, Inc. | Adaptive transmit array for beam-steering |
US9780449B2 (en) | 2013-03-15 | 2017-10-03 | Integrated Device Technology, Inc. | Phase shift based improved reference input frequency signal injection into a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation to reduce a phase-steering requirement during beamforming |
US9837714B2 (en) | 2013-03-15 | 2017-12-05 | Integrated Device Technology, Inc. | Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through a circular configuration thereof |
US9716315B2 (en) | 2013-03-15 | 2017-07-25 | Gigpeak, Inc. | Automatic high-resolution adaptive beam-steering |
US9184498B2 (en) | 2013-03-15 | 2015-11-10 | Gigoptix, Inc. | Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through fine control of a tunable frequency of a tank circuit of a VCO thereof |
RU2767777C2 (ru) | 2013-03-15 | 2022-03-21 | Риарден, Ллк | Системы и способы радиочастотной калибровки с использованием принципа взаимности каналов в беспроводной связи с распределенным входом - распределенным выходом |
EP3016428B1 (en) * | 2013-08-20 | 2018-05-02 | Huawei Technologies Co., Ltd. | Wireless communication device and method |
EP2869476A1 (en) * | 2013-10-29 | 2015-05-06 | Alcatel Lucent | Transmitter Method For Multiple Antenna Systems, Transmitter Apparatus And Network Node Thereof |
CN104917554B (zh) * | 2014-03-10 | 2019-05-10 | 华为技术有限公司 | 基站及形成波束的方法 |
US11290162B2 (en) | 2014-04-16 | 2022-03-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
US11895636B2 (en) | 2014-06-17 | 2024-02-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Determination of beam configuration |
CN107431995B (zh) * | 2015-03-17 | 2020-08-28 | 赫尔环球有限公司 | 实现对移动装置的估计位置的验证 |
KR102306128B1 (ko) * | 2015-06-04 | 2021-09-28 | 한국전자통신연구원 | 가상 빔 식별자 설정 방법 및 장치, 가상 빔 식별자를 이용해 자원을 할당하는 방법 및 장치 |
US9680553B1 (en) * | 2015-12-04 | 2017-06-13 | Infineon Technologies Ag | System and method for a beamformer |
EP3400732B1 (en) * | 2016-01-08 | 2020-08-26 | Commscope Technologies LLC | System and method for carrier aggregation using beamforming |
WO2017125155A1 (en) * | 2016-01-21 | 2017-07-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Cell-specific signal generation |
WO2017157087A1 (en) * | 2016-03-14 | 2017-09-21 | Corbett Rowell | Hybrid beam-forming antenna array using selection matrix for antenna phase calibration |
US10594375B2 (en) | 2016-06-28 | 2020-03-17 | Mitsubishi Electric Corporation | Wireless base station apparatus and wireless communication method |
US10911105B2 (en) * | 2016-07-13 | 2021-02-02 | Smartsky Networks, Llc | Air to ground communication system with separate control and traffic channels |
MX2019001432A (es) * | 2016-08-04 | 2019-06-20 | Ntt Docomo Inc | Terminal de usuario, estacion base de radio y metodo de comunicacion por radio. |
CN106452543B (zh) * | 2016-08-28 | 2020-03-31 | 中国电子科技集团公司第十研究所 | 定向天线通信成员间波束对准的时序控制方法 |
US10324168B2 (en) * | 2016-09-12 | 2019-06-18 | The Boeing Company | Systems and methods for spatial filtering using data with widely different error magnitudes |
US9923647B1 (en) * | 2016-12-16 | 2018-03-20 | Litepoint Corporation | Method for enabling confirmation of expected phase shifts of radio frequency signals emitted from an antenna array |
US11025288B2 (en) * | 2017-01-16 | 2021-06-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Transceiver arrangement |
US10686251B2 (en) * | 2017-01-23 | 2020-06-16 | The Boeing Company | Wideband beam broadening for phased array antenna systems |
CN108574496A (zh) * | 2017-03-08 | 2018-09-25 | 深圳市脉冲星通信科技有限公司 | 跟踪通信基站天线*** |
EP3718223A1 (en) * | 2017-11-28 | 2020-10-07 | Telefonaktiebolaget LM Ericsson (publ) | Beam training of a radio transceiver device |
SG11202007816UA (en) * | 2018-03-09 | 2020-09-29 | Isotropic Systems Ltd | Dynamic interference reduction for antenna beam tracking systems |
WO2019182141A1 (ja) * | 2018-03-23 | 2019-09-26 | 株式会社Nttドコモ | 基地局及び基地局による送信方法 |
US11575459B2 (en) | 2018-04-05 | 2023-02-07 | Rutgers, The State University Of New Jersey | Secure communications through distributed phase alignment |
WO2019214984A1 (en) * | 2018-05-09 | 2019-11-14 | Sony Corporation | Calibrating an array antenna |
US11012881B2 (en) * | 2018-07-06 | 2021-05-18 | Mixcomm, Inc. | Beam management methods and apparatus |
US11303327B2 (en) * | 2019-05-03 | 2022-04-12 | Qualcomm Incorporated | Power density exposure control |
CN111651719B (zh) * | 2020-06-04 | 2023-04-25 | 湖北工业大学 | 基于收缩估计协方差矩阵重构稳健自适应波束形成方法 |
US11368857B1 (en) * | 2021-01-08 | 2022-06-21 | Cisco Technology, Inc. | Adaptive beamwidth switching and beam steering in large public venue (LPV) smart antenna system |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0647978B1 (en) | 1993-08-12 | 2002-10-23 | Nortel Networks Limited | Base station antenna arrangement |
US5649287A (en) * | 1995-03-29 | 1997-07-15 | Telefonaktiebolaget Lm Ericsson | Orthogonalizing methods for antenna pattern nullfilling |
SE509278C2 (sv) | 1997-05-07 | 1999-01-11 | Ericsson Telefon Ab L M | Radioantennanordning och förfarande för samtidig alstring av bred lob och smal peklob |
JP3096734B2 (ja) * | 1998-09-04 | 2000-10-10 | 郵政省通信総合研究所長 | 送信アレーアンテナの較正方法 |
JP4187377B2 (ja) * | 2000-02-23 | 2008-11-26 | 富士通株式会社 | 無線送受信機及び電波放射方向制御方法 |
WO2001069814A1 (en) | 2000-03-15 | 2001-09-20 | Nokia Corporation | Transmit diversity method and system |
KR100493152B1 (ko) | 2000-07-21 | 2005-06-02 | 삼성전자주식회사 | 이동 통신 시스템에서의 전송 안테나 다이버시티 방법 및이를 위한 기지국 장치 및 이동국 장치 |
US8504109B2 (en) * | 2000-12-11 | 2013-08-06 | Apple Inc. | Antenna systems with common overhead for CDMA base stations |
GB2398975B (en) | 2001-02-01 | 2005-02-23 | Fujitsu Ltd | Communications systems |
JP3973371B2 (ja) * | 2001-03-21 | 2007-09-12 | 三洋電機株式会社 | 無線基地システムおよび指向性制御方法 |
US6549164B2 (en) * | 2001-03-22 | 2003-04-15 | Ball Aerospace & Technologies Corp. | Distributed adaptive combining system for multiple aperture antennas including phased arrays |
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 |
JP2002359584A (ja) | 2001-05-31 | 2002-12-13 | Matsushita Electric Ind Co Ltd | 無線基地局装置及び指向性送信方法 |
EP1453223A1 (en) * | 2001-11-30 | 2004-09-01 | Fujitsu Limited | Transmission diversity communication device |
FI20021554A (fi) * | 2001-12-28 | 2003-06-29 | Nokia Corp | Menetelmä kanavan estimoimiseksi ja radiojärjestelmä |
US7155231B2 (en) * | 2002-02-08 | 2006-12-26 | Qualcomm, Incorporated | Transmit pre-correction in a wireless communication system |
JP4086574B2 (ja) * | 2002-04-12 | 2008-05-14 | 松下電器産業株式会社 | パスサーチ回路、無線受信装置及び無線送信装置 |
JP4178501B2 (ja) * | 2002-05-21 | 2008-11-12 | 日本電気株式会社 | アンテナ送受信システム |
US7263082B1 (en) * | 2002-06-28 | 2007-08-28 | Arraycomm, Llc | Resolving user-specific narrow beam signals using a known sequence in a wireless communications system with a common pilot channel |
US6999794B1 (en) * | 2002-06-28 | 2006-02-14 | Arraycomm Llc | Transmission of a common pilot channel from a beamforming transmit antenna array |
US7221699B1 (en) * | 2002-06-28 | 2007-05-22 | Arraycomm Llc | External correction of errors between traffic and training in a wireless communications system |
-
2003
- 2003-11-10 US US10/704,158 patent/US7664533B2/en active Active
-
2004
- 2004-10-26 AT AT04793852T patent/ATE387760T1/de not_active IP Right Cessation
- 2004-10-26 MX MXPA06004774A patent/MXPA06004774A/es active IP Right Grant
- 2004-10-26 DE DE602004012136T patent/DE602004012136T2/de active Active
- 2004-10-26 CN CN2004800329460A patent/CN1879317B/zh active Active
- 2004-10-26 EP EP04793852A patent/EP1685661B1/en active Active
- 2004-10-26 KR KR1020067009036A patent/KR101162391B1/ko not_active IP Right Cessation
- 2004-10-26 WO PCT/SE2004/001551 patent/WO2005046080A1/en active IP Right Grant
- 2004-10-26 ES ES04793852T patent/ES2302043T3/es active Active
- 2004-10-26 JP JP2006539425A patent/JP2007511165A/ja active Pending
-
2007
- 2007-06-04 HK HK07105885.0A patent/HK1100794A1/xx not_active IP Right Cessation
-
2010
- 2010-11-17 JP JP2010257295A patent/JP5432879B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1879317B (zh) | 2010-05-26 |
KR20060120090A (ko) | 2006-11-24 |
CN1879317A (zh) | 2006-12-13 |
JP2011101378A (ja) | 2011-05-19 |
EP1685661B1 (en) | 2008-02-27 |
ES2302043T3 (es) | 2008-07-01 |
WO2005046080A1 (en) | 2005-05-19 |
MXPA06004774A (es) | 2006-07-06 |
DE602004012136T2 (de) | 2009-03-19 |
KR101162391B1 (ko) | 2012-07-04 |
DE602004012136D1 (de) | 2008-04-10 |
EP1685661A1 (en) | 2006-08-02 |
HK1100794A1 (en) | 2007-09-28 |
US7664533B2 (en) | 2010-02-16 |
JP2007511165A (ja) | 2007-04-26 |
US20050101352A1 (en) | 2005-05-12 |
ATE387760T1 (de) | 2008-03-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5432879B2 (ja) | マルチビームアンテナシステムのための方法と装置 | |
US10651568B2 (en) | Base station antenna system with enhanced array spacing | |
US6100843A (en) | Adaptive antenna for use in same frequency networks | |
US6718184B1 (en) | Method and system for adaptive signal processing for an antenna array | |
US7113748B2 (en) | System and method for improving polarization matching on a cellular communication forward link | |
US7203519B2 (en) | Implementation method of pilot signal | |
CN100574146C (zh) | 在多波束天线***中使用波束形成和闭环发射分集 | |
US7844010B2 (en) | Closed loop feedback system for improved down link performance | |
US7372911B1 (en) | Beam forming and transmit diversity in a multiple array radio communications system | |
US7312750B2 (en) | Adaptive beam-forming system using hierarchical weight banks for antenna array in wireless communication system | |
US6788661B1 (en) | Adaptive beam-time coding method and apparatus | |
US20070099578A1 (en) | Pre-coded diversity forward channel transmission system for wireless communications systems supporting multiple MIMO transmission modes | |
US9160427B1 (en) | Transmit diversity with formed beams in a wireless communications system using a common pilot channel | |
US20080242243A1 (en) | Transmission Directional Antenna Control System, Base Station, And Transmission Directional Antenna Control Method Used For System And Base Station | |
EP1344276A1 (en) | Base station, base station module and method for direction of arrival estimation | |
US9065520B2 (en) | Transmission method and related base station | |
US6999794B1 (en) | Transmission of a common pilot channel from a beamforming transmit antenna array | |
JP4084947B2 (ja) | Cdma基地局装置 | |
ALI | ADAPTIVE ANTENNAS | |
Sarker | Performance analysis of a wireless communication system with smart antenna |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20121022 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130116 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130618 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130912 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20131202 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20131206 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |