JP5043042B2 - 多重入出力システムにおけるユーザ決定等級に基づいてユーザをスケジューリングする方法及びシステム - Google Patents
多重入出力システムにおけるユーザ決定等級に基づいてユーザをスケジューリングする方法及びシステム Download PDFInfo
- Publication number
- JP5043042B2 JP5043042B2 JP2008554133A JP2008554133A JP5043042B2 JP 5043042 B2 JP5043042 B2 JP 5043042B2 JP 2008554133 A JP2008554133 A JP 2008554133A JP 2008554133 A JP2008554133 A JP 2008554133A JP 5043042 B2 JP5043042 B2 JP 5043042B2
- Authority
- JP
- Japan
- Prior art keywords
- scheduling
- grade
- user
- base station
- subscriber station
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1893—Physical mapping arrangements
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
-
- 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
- H04B7/0602—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 antenna switching
-
- 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
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- 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
- 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
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
-
- 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
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1835—Buffer management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L1/1816—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of the same, encoded, message
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Description
101 基地局
102 基地局
103 基地局
111 加入局
112 加入局
113 加入局
114 加入局
115 加入局
116 加入局
120 通信可能領域
125 通信可能領域
130 ネットワーク
Claims (17)
- 複数の加入局及び前記加入局にサービスを提供できる基地局を含む無線ネットワークにおける加入局であって、
加入局に対して等級を選択できるように動作可能であり、データストリームを前記基地局から前記加入局へ転送する多数のアンテナを識別できるように動作可能な等級選択器と、
スケジューリングデータを前記基地局に報告できるように動作可能であり、等級を含むスケジューリングデータと、を含み、
前記等級選択器は、
性能最大公式によって等級を選択できるように動作可能であり、
前記性能最大公式は、相互間に干渉を与えるデータストリームで測定した信号の和と、干渉のない単一データストリームで測定した信号と、を利用する不等式log 2 (1+SINR_MRC)<Σ i log 2 (1+SINR_MMSE i )を含み、
前記等級は、送信するデータストリームの数に対応し、
前記等級選択器は前記不等式を満たさなければ低い等級を選択し、前記不等式が満たされれば高い等級を選択できるように動作可能であり、
前記SINR_MRCは、最大割合結合後の信号対干渉雑音比(SINR)として最も強い仮想アンテナからのMRC結合受信信号を表し、前記SINR_MMSE i は、最小平均自乗のエラー結合後の信号対干渉雑音比としてi番目の仮想アンテナからのMMSE結合受信信号を表す
ことを特徴とする加入局。 - 前記等級選択器は、
前記加入局に対して低い等級及び高い等級のうちの1つを選択できるように動作可能である
ことを特徴とする請求項1に記載の加入局。 - 基地局から低い等級により識別された加入局にデータストリームを転送する多数のアンテナは、1つのアンテナを含み、基地局から高い等級により識別された加入局にデータストリームを転送する多数のアンテナはM個のアンテナを含み、かつM個のアンテナは基地局からデータストリームを転送するに利用可能な最大個数のアンテナを含む
ことを特徴とする請求項2に記載の加入局。 - 前記等級選択器は、
特定個数の転送時間の間隔区間(TTIs)の各々に対して等級を一回選択できるように動作可能である
ことを特徴とする請求項1に記載の加入局。 - 前記等級によって基地局の各々のアンテナから受信された多数の符号語の各々に対し、チャネル品質指示子が計算できるように動作可能なチャネル品質指示計算機をさらに含み、前記スケジューリングデータは少なくとも1つのチャネル品質指示子をさらに含む
ことを特徴とする請求項1に記載の加入局。 - 前記加入局に対するプリコーディング行列のセットからプリファードプリコーディング行列を選択できるように動作可能なプリコーディング選択器をさらに含み、前記スケジューリングデータは前記プリファードプリコーディング行列をさらに含む
ことを特徴とする請求項1に記載の加入局。 - 前記スケジューリングデータ報告機は、
前記基地局が多重ユーザモードで動作中であれば第1データセットを含むスケジューリングデータを報告し、前記基地局が単一ユーザモードで動作中であれば第2データセットを含むスケジューリングデータを報告できるように動作可能である
ことを特徴とする請求項1に記載の加入局。 - 前記スケジューリングデータ報告機は、
正で表示された等級選択報告及び負で表示された等級選択報告の中の1つを使用してスケジューリングデータを報告できるように動作可能である
ことを特徴とする請求項1に記載の加入局。 - 前記加入局は、
HARQ(Hybrid Automatic Repeat reQuest)メッセージを用いて基地局から受信されたフレームをデコーディングするように動作可能である
ことを特徴とする請求項1に記載の加入局。 - 多重入出力システムにおけるユーザにより決定された等級によって基地局でユーザをスケジューリングする方法であって、
多数のユーザの各々から少なくとも1つのチャネル品質指示子、等級、及びプリファードプリコーディング行列を含む各々のユーザに対するスケジューリングデータを受信するステップと、
前記スケジューリングデータによって前記ユーザをスケジューリングするステップと、
を含み、
前記等級は、性能最大公式によって選択され、前記性能最大公式は、相互間に干渉を与えるデータストリームで測定した信号の和と、干渉のない単一データストリームで測定した信号と、を利用する不等式log 2 (1+SINR_MRC)<Σ i log 2 (1+SINR_MMSE i )を含み、
前記等級は、送信するデータストリームの数に対応し、
前記等級選択器は前記不等式を満たさなければ低い等級を選択し、前記不等式が満たされれば高い等級を選択できるように動作可能であり、
前記SINR_MRCは、最大割合結合後の信号対干渉雑音比(SINR)として最も強い仮想アンテナからのMRC結合受信信号を表し、前記SINR_MMSE i は、最小平均自乗のエラー結合後の信号対干渉雑音比としてi番目の仮想アンテナからのMMSE結合受信信号を表す
ことを特徴とするスケジューリング方法。 - 前記スケジューリングデータによって前記ユーザをスケジューリングするステップは、
前記ユーザを同一のプリファードプリコーディング行列を含む各々のユーザグループにグルーピングするステップを含む
ことを特徴とする請求項10に記載のスケジューリング方法。 - 前記スケジューリングデータによって前記ユーザをスケジューリングするステップは、
最上の優先順位ユーザグループを選択するステップと、
前記最上の優先順位ユーザグループ内で特定数の最上の優先順位ユーザを選択するステップと、
前記最上の優先順位ユーザグループ内で前記特定数の最上の優先順位ユーザをスケジューリングするステップと、をさらに含む
ことを特徴とする請求項11に記載のスケジューリング方法。 - 前記スケジューリングデータに従って前記ユーザをスケジューリングするステップは、
変調及びコーディングを前記最上の優先順位ユーザの各々に対する符号語に適用するステップをさらに含む
ことを特徴とする請求項12に記載のスケジューリング方法。 - 前記スケジューリングデータによって前記ユーザをスケジューリングするステップは、
前記最上の優先順位ユーザグループに対する前記プリファードプリコーディングによって変調されてコーディングされた符号語にプリコーディングを適用するステップをさらに含む
ことを特徴とする請求項13に記載のスケジューリング方法。 - 前記スケジューリングデータによって多重ユーザモード及び単一ユーザモードの中の1つで動作するか否かを決定するステップをさらに含む
ことを特徴とする請求項10に記載のスケジューリング方法。 - 前記スケジューリングデータによって前記ユーザをスケジューリングするステップは、
単一ユーザモードで動作中の場合、最上のユーザをスケジューリングするステップをさらに含む
ことを特徴とする請求項15に記載のスケジューリング方法。 - 前記スケジューリングデータによって前記ユーザをスケジューリングするステップは、
多重ユーザモードで動作中の場合、同一のプリファードプリコーディング行列を含む最上の優先順位グループのユーザをスケジューリングするステップを含む
ことを特徴とする請求項15に記載のスケジューリング方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77166906P | 2006-02-09 | 2006-02-09 | |
US60/771,669 | 2006-02-09 | ||
US11/620,401 | 2007-01-05 | ||
US11/620,401 US8116267B2 (en) | 2006-02-09 | 2007-01-05 | Method and system for scheduling users based on user-determined ranks in a MIMO system |
PCT/KR2007/000660 WO2007091836A1 (en) | 2006-02-09 | 2007-02-07 | Method and system for scheduling users based on user-determined ranks in a mimo system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009526466A JP2009526466A (ja) | 2009-07-16 |
JP5043042B2 true JP5043042B2 (ja) | 2012-10-10 |
Family
ID=37983887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008554133A Expired - Fee Related JP5043042B2 (ja) | 2006-02-09 | 2007-02-07 | 多重入出力システムにおけるユーザ決定等級に基づいてユーザをスケジューリングする方法及びシステム |
Country Status (6)
Country | Link |
---|---|
US (1) | US8116267B2 (ja) |
EP (1) | EP1819088B1 (ja) |
JP (1) | JP5043042B2 (ja) |
KR (1) | KR101075666B1 (ja) |
CN (1) | CN101385299B (ja) |
WO (1) | WO2007091836A1 (ja) |
Families Citing this family (97)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2854304B1 (en) * | 2006-08-18 | 2016-02-03 | Qualcomm Incorporated | Feedback of precoding control indication (PCI) and channel quality indication (CQI) in a wireless communication system |
EP2057773A1 (en) * | 2006-08-21 | 2009-05-13 | Koninklijke Philips Electronics N.V. | Indicating retransmission processes in multi-beam systems |
KR100790365B1 (ko) * | 2006-08-22 | 2008-01-02 | 한국전자통신연구원 | Mimo 시스템에서의 패킷 재전송 방법 |
US7839835B2 (en) * | 2006-08-22 | 2010-11-23 | Nec Laboratories America, Inc. | Quantized precoding over a set of parallel channels |
WO2008036280A2 (en) * | 2006-09-18 | 2008-03-27 | Interdigital Technology Corporation | Successive interference cancellation for multi-codeword transmissions |
US8176376B2 (en) | 2006-10-02 | 2012-05-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Optimal error protection coding for MIMO ACK/NACK/POST information |
CN101627567B (zh) | 2006-10-02 | 2014-07-02 | Lg电子株式会社 | 用于使用有效的复用来传输控制信号的方法 |
KR100961889B1 (ko) * | 2006-11-17 | 2010-06-09 | 삼성전자주식회사 | 다중 입력 다중 출력 시스템의 순차적 스케줄링 장치 및 방법 |
BRPI0721210B1 (pt) * | 2007-02-09 | 2020-01-07 | Telecom Italia S.P.A. | Método para caracterizar interferência em um sistema de radiocomunicação, sistema de radiocomunicação, memória, e, método para mitigar interferência em um sistema de radiocomunicação |
US20080219370A1 (en) * | 2007-03-06 | 2008-09-11 | Texas Instruments Incorporated | User equipment feedback structures for mimo ofdma |
US9294231B2 (en) * | 2007-03-17 | 2016-03-22 | Qualcomm Incorporated | Configurable acknowledgement processing in a wireless communication system |
ES2902275T3 (es) | 2007-03-19 | 2022-03-25 | Lg Electronics Inc | Un método de asignación de recursos y un método para transmitir/recibir información de asignación de recursos en un sistema de comunicación móvil |
WO2008115111A1 (en) | 2007-03-19 | 2008-09-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio bearer specific cqi reporting |
KR101049138B1 (ko) | 2007-03-19 | 2011-07-15 | 엘지전자 주식회사 | 이동 통신 시스템에서, 수신확인신호 수신 방법 |
JP4889532B2 (ja) * | 2007-03-20 | 2012-03-07 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムにおける基地局装置及び方法 |
US8831042B2 (en) * | 2007-03-29 | 2014-09-09 | Lg Electronics Inc. | Method of transmitting sounding reference signal in wireless communication system |
KR101381475B1 (ko) * | 2007-04-13 | 2014-04-04 | 삼성전자주식회사 | 유저 단말기의 무선 자원 제어 상태를 아이들 상태로천이하는 방법 및 이를 위한 시스템 및 그 단말기 |
US7995457B2 (en) * | 2007-04-16 | 2011-08-09 | Broadcom Corporation | Method and system for SFBC/STBC transmission of orthogonally coded signals with angle feedback in a diversity transmission system |
US8335541B2 (en) * | 2007-05-01 | 2012-12-18 | Alcatel-Lucent Technologies US, Inc. | Method of grouping users for opportunistic downlink in multiuser, multiple-input-multiple-output wireless communication |
US20080305745A1 (en) * | 2007-06-05 | 2008-12-11 | Interdigital Technology Corporation | Method and apparatus for supporting uplink transmission of channel quality and coding information in a wireless communication system |
KR100908063B1 (ko) | 2007-06-13 | 2009-07-15 | 엘지전자 주식회사 | 이동 통신 시스템에서 확산신호를 송신하는 방법 |
KR100913090B1 (ko) | 2007-06-13 | 2009-08-21 | 엘지전자 주식회사 | 통신 시스템에서 확산 신호를 송신하는 방법 |
CN101325741B (zh) * | 2007-06-14 | 2012-12-12 | Nxp股份有限公司 | 用于操作多用户多输入多输出(mu-mimo)无线通信系统的方法和系统 |
KR101380558B1 (ko) | 2007-06-19 | 2014-04-02 | 엘지전자 주식회사 | 사운딩 기준신호의 전송방법 |
KR100900289B1 (ko) | 2007-06-21 | 2009-05-29 | 엘지전자 주식회사 | 직교 주파수 분할 다중화 시스템에서 제어 채널을 송수신하는 방법 |
DE112008002055B4 (de) * | 2007-08-10 | 2015-12-17 | Intel Corporation | Kanalbewußtes Mehrbenutzer-MIMO-Schema, das mit geschlossenem Einzelbenutzer-MIMO vereint ist |
US7907677B2 (en) * | 2007-08-10 | 2011-03-15 | Intel Corporation | Open loop MU-MIMO |
KR101455981B1 (ko) * | 2007-08-14 | 2014-11-03 | 엘지전자 주식회사 | 하향링크 상황에 따른 적응적 채널 품질 지시자 생성 방법및 이를 위한 사용자 기기 |
RU2439809C2 (ru) | 2007-08-14 | 2012-01-10 | Эл Джи Электроникс Инк. | Способ получения информации об области ресурсов для канала phich и способ приема канала pdcch |
KR101397039B1 (ko) * | 2007-08-14 | 2014-05-20 | 엘지전자 주식회사 | 전송 다이버시티를 사용하는 다중안테나 시스템에서 채널예측 오류의 영향을 감소시키기 위한 cdm 방식 신호전송 방법 |
WO2009022790A1 (en) * | 2007-08-14 | 2009-02-19 | Lg Electronics Inc. | Method of transmitting data in a wireless communication system |
KR101507785B1 (ko) | 2007-08-16 | 2015-04-03 | 엘지전자 주식회사 | 다중 입출력 시스템에서, 채널품질정보를 송신하는 방법 |
KR101405974B1 (ko) * | 2007-08-16 | 2014-06-27 | 엘지전자 주식회사 | 다중입력 다중출력 시스템에서 코드워드를 전송하는 방법 |
CN101373998B (zh) * | 2007-08-20 | 2012-07-25 | 上海贝尔阿尔卡特股份有限公司 | 低信息交互的多基站协作mimo及其调度方法和装置 |
CN101374033B (zh) * | 2007-08-23 | 2013-03-27 | 株式会社Ntt都科摩 | 一种多输入多输出系统中的数据处理方法及装置 |
US20100103832A1 (en) * | 2007-08-31 | 2010-04-29 | Fujitsu Limited | Feedback Apparatus, Feedback Method, Scheduling Apparatus, And Scheduling Method |
EP2062374A4 (en) * | 2007-08-31 | 2014-12-03 | Fujitsu Ltd | WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD |
US20090067391A1 (en) * | 2007-09-11 | 2009-03-12 | Zukang Shen | Separate Rank and CQI Feedback in Wireless Networks |
US7843874B2 (en) * | 2007-09-27 | 2010-11-30 | Intel Corporation | Configurable and flexible wireless link adaptation method and device |
US8254486B2 (en) * | 2007-09-28 | 2012-08-28 | Intel Corporation | Unified closed loop SU/MU-MIMO signaling and codebook design |
KR101352042B1 (ko) * | 2007-10-15 | 2014-01-15 | 삼성전자주식회사 | 다중 입출력 무선통신 시스템에서 다중 사용자 모드를 위한채널 정보 산출 장치 및 방법 |
ES2373240T3 (es) | 2007-12-20 | 2012-02-01 | Panasonic Corporation | Señalización de canal de control usando un campo de señalización común para el formato de transporte y la versión de redundancia. |
KR101443623B1 (ko) * | 2007-12-28 | 2014-09-26 | 엘지전자 주식회사 | 시스템 정보 전송을 위한 브로드캐스트 메시지 스케줄링방법 |
US8670419B2 (en) * | 2008-02-01 | 2014-03-11 | Qualcomm Incorporated | Methods and apparatus for intra-user quality of service uplink scheduling |
FI20085161A0 (fi) | 2008-02-22 | 2008-02-22 | Nokia Corp | Signaalin käsittely elektronisessa laitteessa |
KR101328961B1 (ko) | 2008-03-14 | 2013-11-13 | 엘지전자 주식회사 | 개루프 공간 다중화 모드에서 신호 송수신 방법 |
EP2269392A4 (en) * | 2008-03-21 | 2016-06-15 | Apple Inc | MULTIMEDIA BROADBAND MULTICAST SERVICE (MBMS) WITH ROOM MULTIPLEXING |
KR101432637B1 (ko) | 2008-03-24 | 2014-08-21 | 삼성전자주식회사 | 다중 입출력 통신 시스템을 제어하는 통신 시스템 제어장치 및 그 방법 |
US8233939B2 (en) * | 2008-03-31 | 2012-07-31 | Intel Corporation | Multiuser sector micro diversity system |
KR101537591B1 (ko) * | 2008-04-07 | 2015-07-20 | 엘지전자 주식회사 | Mimo 시스템에서 모드 적응 방법 |
KR101207569B1 (ko) * | 2008-04-22 | 2012-12-03 | 삼성전자주식회사 | 전처리 행렬 선택 장치 및 방법 |
JP4594451B2 (ja) * | 2008-04-25 | 2010-12-08 | シャープ株式会社 | 移動通信システム、基地局装置、移動局装置および移動通信方法 |
KR100912226B1 (ko) * | 2008-06-27 | 2009-08-14 | 삼성전자주식회사 | 다중 입출력 시스템을 위한 코드북 설계 방법 및 상기 코드북의 사용 방법 |
EP2312884B1 (en) * | 2008-08-08 | 2019-01-09 | Sharp Kabushiki Kaisha | Wireless communication system, control station device, and terminal device |
US8274937B2 (en) * | 2008-08-26 | 2012-09-25 | Samsung Electronics Co., Ltd. | Method and apparatus for beamforming in OFDM wireless system |
KR101041681B1 (ko) | 2008-10-23 | 2011-06-14 | 주식회사 팬택 | 다중 사용자 다중 입출력 기반의 무선랜 시스템에서 데이터전송 스케줄러 및 데이터 전송 스케줄링 방법 |
KR101299282B1 (ko) | 2008-10-31 | 2013-08-26 | 인터디지탈 패튼 홀딩스, 인크 | 다수의 상향링크 반송파를 사용하는 무선 전송 방법 및 장치 |
WO2010056161A1 (en) * | 2008-11-12 | 2010-05-20 | Telefonaktiebolaget L M Ericsson (Publ) | Link adaptation systems and methods |
CN101800589B (zh) * | 2009-02-06 | 2015-04-01 | 中兴通讯股份有限公司 | 导频处理方法和装置、移动终端 |
US8320479B2 (en) * | 2009-02-25 | 2012-11-27 | Alcatel Lucent | Ranking and grouping of transmissions in communication system |
US8620334B2 (en) | 2009-03-13 | 2013-12-31 | Interdigital Patent Holdings, Inc. | Method and apparatus for carrier assignment, configuration and switching for multicarrier wireless communications |
US8599976B2 (en) * | 2009-03-16 | 2013-12-03 | Marvell World Trade Ltd. | Multi-user multiple input multiple output (MU-MIMO) receiver |
CN101841496B (zh) * | 2009-03-17 | 2013-03-13 | 上海贝尔股份有限公司 | 多输入多输出系统中用于多小区协作通信的方法及装置 |
WO2010105439A1 (zh) * | 2009-03-20 | 2010-09-23 | 华为技术有限公司 | 反馈和接收预编码控制指示信息的方法及通信设备 |
RU2560818C2 (ru) * | 2009-04-21 | 2015-08-20 | Эппл Инк | Способ и устройство для определения индикатора качества канала в сетях связи, работающих в режиме mu-mimo |
US8233434B2 (en) | 2009-05-01 | 2012-07-31 | Clearwire Ip Holdings Llc | System and method for adaptive control of an averaging parameter for PCINR and RSSI |
US8312337B2 (en) * | 2009-05-01 | 2012-11-13 | Clearwire Ip Holdings Llc | System and method for dynamic hybrid automatic repeat request (HARQ) enable/disable |
US8797945B2 (en) * | 2009-05-01 | 2014-08-05 | Clearwire Ip Holdings Llc | System and method for hybrid schemes of MIMO mode decision |
CN101902305B (zh) * | 2009-05-25 | 2013-10-30 | 富士通株式会社 | 通信装置、通信方法和基站 |
JP5369896B2 (ja) * | 2009-05-25 | 2013-12-18 | 富士通株式会社 | 通信装置、通信方法、通信システム及び基地局装置ならびに移動局装置 |
CN101958738B (zh) * | 2009-07-20 | 2016-08-03 | 华为技术有限公司 | 一种协作通信的预处理的方法、系统和装置 |
US9584199B2 (en) * | 2009-09-21 | 2017-02-28 | Kathrein-Werke Kg | User group specific beam forming in a mobile network |
US8842625B2 (en) * | 2009-10-14 | 2014-09-23 | Telefonaktiebolaget L M Ericsson (Publ) | Wireless scheduling considering overhead cost estimate |
US8434336B2 (en) * | 2009-11-14 | 2013-05-07 | Qualcomm Incorporated | Method and apparatus for managing client initiated transmissions in multiple-user communication schemes |
KR101758270B1 (ko) * | 2009-11-18 | 2017-07-14 | 엘지전자 주식회사 | 고정된 경로를 이동하는 고속 이동체를 위한 무선 통신 시스템 |
US8300567B2 (en) * | 2009-12-21 | 2012-10-30 | Intel Corporation | Method and apparatus for downlink multiple-user multiple output scheduling |
US8687611B2 (en) | 2009-12-22 | 2014-04-01 | Intel Corporation | Methods and apparatus for weighted queuing in DL MU MIMO |
CN102196582B (zh) * | 2010-03-17 | 2014-04-30 | 中兴通讯股份有限公司 | 多输入多输出波束赋形系统的下行资源调度方法及发送端 |
US8621308B2 (en) * | 2010-06-30 | 2013-12-31 | Alcatel Lucent | HARQ operating point adaptation in communications |
US8446971B2 (en) * | 2010-08-23 | 2013-05-21 | Intel Corporation | Communication station and method for efficiently providing channel feedback for MIMO communications |
CN102457350B (zh) * | 2010-10-22 | 2015-06-03 | 中兴通讯股份有限公司 | 一种数据传输方法及系统 |
CN105634570B (zh) * | 2010-12-10 | 2019-02-15 | 太阳专利托管公司 | 信号生成方法及信号生成装置 |
JP5609991B2 (ja) * | 2011-01-14 | 2014-10-22 | 富士通株式会社 | 移動通信システム、基地局装置及び通信制御方法 |
CN102142880A (zh) * | 2011-05-10 | 2011-08-03 | 广州大学 | 一种多输入-多输出多用户分集系统的用户快速调度方法 |
JP5909060B2 (ja) * | 2011-08-15 | 2016-04-26 | シャープ株式会社 | 無線送信装置、無線受信装置、プログラム、集積回路および無線通信システム |
JP5859786B2 (ja) * | 2011-09-16 | 2016-02-16 | シャープ株式会社 | 無線送信装置、無線受信装置、無線通信システム、プログラムおよび集積回路 |
WO2013024838A1 (ja) * | 2011-08-15 | 2013-02-21 | シャープ株式会社 | 無線送信装置、無線受信装置、プログラム、集積回路および無線通信システム |
KR20130073360A (ko) * | 2011-12-23 | 2013-07-03 | 한국전자통신연구원 | 다중 반송파 시스템의 데이터 처리 장치 및 그것의 데이터 처리 방법 |
US9379794B2 (en) * | 2012-10-02 | 2016-06-28 | Qualcomm Incorporated | Scheduling transmission for multi-user, multiple-input, multiple-output data |
US9894421B2 (en) * | 2012-10-22 | 2018-02-13 | Huawei Technologies Co., Ltd. | Systems and methods for data representation and transportation |
JP2016119496A (ja) * | 2013-04-10 | 2016-06-30 | シャープ株式会社 | 基地局装置、端末装置、無線通信システム及び集積回路 |
CN105099621B (zh) * | 2015-06-29 | 2018-05-22 | 珠海市魅族科技有限公司 | 通信方法和通信设备 |
US9866289B2 (en) * | 2015-11-10 | 2018-01-09 | Cable Television Laboratories, Inc. | System and method for spatial multiplexing in LoS environments |
CN106533515B (zh) * | 2016-10-14 | 2020-05-08 | 上海华为技术有限公司 | 一种天线回退方法及基站 |
CN107249193B (zh) * | 2017-06-28 | 2021-02-12 | 金华市智甄通信设备有限公司 | 一种无线访问接入点、基于用户优先级的无线接入方法及系统 |
KR102486002B1 (ko) * | 2018-05-28 | 2023-01-10 | 에스케이텔레콤 주식회사 | 안테나의 송신출력 제어 방법 및 장치 |
WO2020259821A1 (en) * | 2019-06-26 | 2020-12-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Dynamic mu-mimo layer limit control |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6574211B2 (en) * | 1997-11-03 | 2003-06-03 | Qualcomm Incorporated | Method and apparatus for high rate packet data transmission |
US6662024B2 (en) * | 2001-05-16 | 2003-12-09 | Qualcomm Incorporated | Method and apparatus for allocating downlink resources in a multiple-input multiple-output (MIMO) communication system |
US6751187B2 (en) * | 2001-05-17 | 2004-06-15 | Qualcomm Incorporated | Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission |
KR100459557B1 (ko) | 2001-08-23 | 2004-12-03 | 삼성전자주식회사 | 고속 순방향 패킷 접속 통신 시스템에서 데이터 상태정보를 나타내기 위한 혼화 자동 재전송 요구 채널 번호할당 방법 |
US20030125040A1 (en) * | 2001-11-06 | 2003-07-03 | Walton Jay R. | Multiple-access multiple-input multiple-output (MIMO) communication system |
US6754169B2 (en) * | 2001-12-13 | 2004-06-22 | Motorola, Inc. | Method and system of operation for a variable transmission mode multi-carrier communication system |
US7873021B2 (en) * | 2002-04-25 | 2011-01-18 | Imec | CDMA transceiver techniques for wireless communications |
US6671849B2 (en) * | 2002-05-14 | 2003-12-30 | Motorola, Inc. | Reliability-based type-II hybrid ARQ scheme |
FI20021013A0 (fi) | 2002-05-29 | 2002-05-29 | Nokia Corp | Tiedonsiirtomenetelmä ja -järjestelmä |
US7397864B2 (en) | 2002-09-20 | 2008-07-08 | Nortel Networks Limited | Incremental redundancy with space-time codes |
US6873606B2 (en) * | 2002-10-16 | 2005-03-29 | Qualcomm, Incorporated | Rate adaptive transmission scheme for MIMO systems |
US20040121730A1 (en) * | 2002-10-16 | 2004-06-24 | Tamer Kadous | Transmission scheme for multi-carrier MIMO systems |
JP4602641B2 (ja) * | 2002-10-18 | 2010-12-22 | 株式会社エヌ・ティ・ティ・ドコモ | 信号伝送システム、信号伝送方法及び送信機 |
US8208364B2 (en) * | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
US7254769B2 (en) * | 2002-12-24 | 2007-08-07 | Electronics And Telecommunications Research Insitute | Encoding/decoding apparatus using low density parity check code |
US7013143B2 (en) * | 2003-04-30 | 2006-03-14 | Motorola, Inc. | HARQ ACK/NAK coding for a communication device during soft handoff |
US7342970B2 (en) * | 2003-05-02 | 2008-03-11 | Lucent Technologies Inc. | Array processing using an aggregate channel matrix generated using a block code structure |
US7706347B2 (en) * | 2003-05-15 | 2010-04-27 | Lg Electronics Inc. | Signal processing apparatus and method using multi-output mobile communication system |
KR100790092B1 (ko) * | 2003-08-18 | 2007-12-31 | 삼성전자주식회사 | 다중 사용자 다중 입력 다중 출력 방식을 사용하는 무선통신 시스템에서 자원 스케쥴링 장치 및 방법 |
WO2005034387A2 (en) | 2003-10-01 | 2005-04-14 | Broadcom Corporation | System and method for antenna selection |
GB2411328B (en) * | 2004-02-23 | 2007-05-16 | Toshiba Res Europ Ltd | Adaptive MIMO systems |
KR100946923B1 (ko) | 2004-03-12 | 2010-03-09 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서 채널 품질 정보의 송수신 장치 및 방법, 그리고 그에 따른 시스템 |
US7940663B2 (en) * | 2004-07-20 | 2011-05-10 | Qualcomm Incorporated | Mitigating ACK/NACK errors in MIMO/SIC/HARQ |
US7567621B2 (en) * | 2004-07-21 | 2009-07-28 | Qualcomm Incorporated | Capacity based rank prediction for MIMO design |
KR100648472B1 (ko) * | 2004-10-19 | 2006-11-28 | 삼성전자주식회사 | 다중 송신 다중 수신 안테나 통신 시스템에서 적응 변조및 부호 성능을 최적화하기 위한 송·수신 장치 및 방법 |
US7742455B2 (en) * | 2004-11-19 | 2010-06-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Scheduling method for wireless packet data channel |
US8130820B2 (en) * | 2005-03-01 | 2012-03-06 | Qualcomm Incorporated | Method and apparatus for interference cancellation in a wireless communications system |
US7428269B2 (en) * | 2005-06-01 | 2008-09-23 | Qualcomm Incorporated | CQI and rank prediction for list sphere decoding and ML MIMO receivers |
US8064837B2 (en) * | 2005-06-16 | 2011-11-22 | Qualcomm Incorporated | Method and apparatus for optimum selection of MIMO and interference cancellation |
US8599945B2 (en) * | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
US20070147536A1 (en) * | 2005-12-27 | 2007-06-28 | Ezer Melzer | Wireless communication device employing interference-sensitive mode selection and associated methods |
-
2007
- 2007-01-05 US US11/620,401 patent/US8116267B2/en active Active
- 2007-02-07 KR KR1020087020376A patent/KR101075666B1/ko active IP Right Grant
- 2007-02-07 WO PCT/KR2007/000660 patent/WO2007091836A1/en active Application Filing
- 2007-02-07 JP JP2008554133A patent/JP5043042B2/ja not_active Expired - Fee Related
- 2007-02-07 CN CN2007800051088A patent/CN101385299B/zh not_active Expired - Fee Related
- 2007-02-09 EP EP07002819A patent/EP1819088B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8116267B2 (en) | 2012-02-14 |
US20070183380A1 (en) | 2007-08-09 |
KR101075666B1 (ko) | 2011-10-21 |
EP1819088B1 (en) | 2011-08-24 |
CN101385299B (zh) | 2013-05-08 |
JP2009526466A (ja) | 2009-07-16 |
KR20080096561A (ko) | 2008-10-30 |
WO2007091836A1 (en) | 2007-08-16 |
EP1819088A2 (en) | 2007-08-15 |
EP1819088A3 (en) | 2007-09-05 |
CN101385299A (zh) | 2009-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5043042B2 (ja) | 多重入出力システムにおけるユーザ決定等級に基づいてユーザをスケジューリングする方法及びシステム | |
US8582535B2 (en) | Apparatus and method for scheduling hybrid ARQ acknowledgment messages in a wireless network | |
CN107257269B (zh) | 在无线通信系统中用于上行链路控制信号的系统和方法 | |
US7907677B2 (en) | Open loop MU-MIMO | |
KR101702678B1 (ko) | 반송파 집적 기술에 의한 업링크 전송 및 cqi 보고 방법 및 장치 | |
CN103098383B (zh) | 用于无线网络中的pucch子带反馈信令的系统和方法 | |
CN102939739B (zh) | 用于映射上行链路控制信息的方法和系统 | |
JP4008917B2 (ja) | 直交周波数分割多重方式を使用する移動通信システムにおける副搬送波割り当てのための装置及び方法 | |
CN101689904B (zh) | 在多天线系统中发送数据的方法 | |
JP5346942B2 (ja) | 基地局装置及びプリコーディング方法 | |
US20100296591A1 (en) | Unified design and centralized scheduling for dynamic simo, su-mimo and mu-mimo operation for rl transmissions | |
US8902845B2 (en) | Communication control method, base station apparatus and mobile station apparatus | |
WO2010150798A1 (ja) | 基地局装置及び情報フィードバック方法 | |
WO2009033358A1 (fr) | Procédé de rétroaction d'information, système, dispositif utilisateur et station de base basée sur le domaine spatial, fréquentiel et temporel | |
WO2007052983A1 (en) | Method and system for providing adaptive modulation and coding in a multi-carrier wireless network | |
US20060250938A1 (en) | System and method for subcarrier allocation in a multicarrier wireless network | |
WO2006080352A1 (ja) | 無線基地局装置及び端末装置 | |
KR20110097570A (ko) | 채널품질정보 전송방법 및 사용자기기와, 다중사용자 데이터 전송방법 및 기지국 | |
WO2007121568A1 (en) | Method and system for closed loop multiple input/output antenna environments in wireless communication | |
JP5638404B2 (ja) | 移動通信システム及び基地局制御装置 | |
US20110085504A1 (en) | Adaptive beam-forming and space-frequency block coding transmission scheme for mimo-ofdma systems | |
Cho et al. | An efficient CQI feedback scheme for multiuser MIMO systems | |
Wang et al. | Multi-Antenna Techniques for Evolved 3G Wireless Communication Networks: An Overview. | |
DATA et al. | van Rensburg et al.(45) Date of Patent: Feb. 14, 2012 | |
Wang et al. | Multi-antenna Techniques in Ultra Mobile Broadband Communication Systems |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20110519 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110628 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110928 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20111005 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111025 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20111206 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120305 |
|
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: 20120612 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120711 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5043042 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150720 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |