JP5865485B2 - 多重入出力(mimo)のための空間チャネル状態情報のフィードバック方法およびシステム - Google Patents
多重入出力(mimo)のための空間チャネル状態情報のフィードバック方法およびシステム Download PDFInfo
- Publication number
- JP5865485B2 JP5865485B2 JP2014506492A JP2014506492A JP5865485B2 JP 5865485 B2 JP5865485 B2 JP 5865485B2 JP 2014506492 A JP2014506492 A JP 2014506492A JP 2014506492 A JP2014506492 A JP 2014506492A JP 5865485 B2 JP5865485 B2 JP 5865485B2
- Authority
- JP
- Japan
- Prior art keywords
- csi
- subchannel
- spatial
- feedback
- matrix
- 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
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
-
- 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
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
-
- 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
- H04B7/0645—Variable feedback
- H04B7/065—Variable contents, e.g. long-term or short-short
-
- 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
- H04B7/0658—Feedback reduction
- H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
-
- 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
- H04L1/0026—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
- H04L1/0001—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
- H04L1/0028—Formatting
- H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
-
- 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
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (18)
- UEおよび一つ以上のセルを接続する空間チャネルについて、一つ以上の空間チャネルの空間CSIのためのフィードバック方法であって、
送信機の複数の送信アンテナを、前記UEと前記送信機の間で確立される少なくとも2つのサブチャネルにそれぞれ対応する複数のサブセットに分割するステップと、
各サブチャネルの空間CSIを測定するステップと、
サブチャネルごとに空間CSIを特異値分解により左特異行列、特異値行列、および右特異行列に分解し、前記左特異行列を送信アンテナの対応するサブセットにおける空間識別情報の特性を示すサブチャネルごとの第1成分CSIとして得るとともに、前記右特異行列を対応する受信機における空間識別情報の特性を示すサブチャネルごとの第2成分CSIとして得るステップと、
サブチャネルごとに、前記第1成分CSIおよび前記第2成分CSIを、それぞれフィードバックとして提供するステップと、
を含むフィードバック方法。 - サブチャネルごとの前記成分CSIは、ベクトルまたは行列の一つとして表される請求項1に記載のフィードバック方法。
- 前記分解することは、行列の乗算を含む請求項1に記載のフィードバック方法。
- 少なくとも一つのコードブックを使用して、サブチャネルごとの成分CSIを少なくとも二つ量子化するステップと、
サブチャネルごとの量子化した成分CSIを、フィードバックとして提供するステップと、
をさらに有する請求項1に記載のフィードバック方法。 - 少なくとも二つの対応するコードブックインデックスが、短期サブバンドである請求項4に記載のフィードバック方法。
- 対応する受信機の実行を考慮する一方、サブチャネルごとの空間CSIを得るステップをさらに有する請求項1に記載のフィードバック方法。
- 空間CSIを得るステップは、特異値分解を含む請求項6に記載のフィードバック方法。
- チャネルごとの前記成分CSIをフィードバックとして提供するステップは、MIMOプリコーディングのための一つ以上のコードブックを使用するステップを含む請求項1に記載のフィードバック方法。
- サブチャネルごとの成分CSIを使用することによって、全送信ポイントの送信アンテナに亘る合成空間CSIを決定するステップをさらに含む請求項1に記載のフィードバック方法。
- 複数のUEおよび複数の送信アンテナを接続する空間チャネルの空間チャネル状態情報のためのフィードバックシステムであって、
相互間に一つ以上の空間サブチャネル接続を確立する、一つ以上のUEおよび一つ以上のセグメントの送信機の複数の送信アンテナと、ここで、サブチャネルごとの空間CSIが、空間サブチャネル接続に対応し、
サブチャネルごとに前記空間CSIを特異値分解により左特異行列、特異値行列、および右特異行列に分解し、前記左特異行列を送信アンテナの対応するサブセットにおける空間識別情報の特性を示すサブチャネルごとの第1成分CSIとして得るとともに、前記右特異行列を対応する受信機における空間識別情報の特性を示すサブチャネルごとの第2成分CSIとして得る分解手段と、
フィードバックとして、サブチャネルごとに、前記第1成分CSIおよび前記第2成分CSIを、それぞれ提供する提供手段と、
を有するフィードバックシステム。 - 全送信ポイントの送信アンテナに亘る合成空間CSIを決定する決定手段をさらに有する請求項10に記載のフィードバックシステム。
- ベクトルまたは行列として、サブチャネルごとの成分CSIを表す手段をさらに有する請求項10に記載のフィードバックシステム。
- 前記分解手段は、行列の乗算するように構成されている請求項10に記載のフィードバックシステム。
- 少なくとも一つのコードブックを使用して、サブチャネルごとの成分CSIを少なくとも二つ量子化する量子化手段と、
サブチャネルごとの量子化した成分CSIを、フィードバックとして提供する提供手段と、
をさらに有する請求項10に記載のフィードバックシステム。 - サブチャネルの少なくとも二つの対応するコードブックインデックスが、短期サブバンドである請求項14に記載のフィードバックシステム。
- 受信機の実行を考慮する一方、サブチャネルごとの空間CSIを得るための取得手段をさらに有する請求項10に記載のフィードバックシステム。
- 前記取得手段は、特異値分解するように構成されている請求項16に記載のフィードバックシステム。
- サブチャネルごとの量子化した成分CSIを、フィードバックとして提供する提供手段は、MIMOプリコーディングのための一つ以上のコードブックを使用するように構成されている請求項10に記載のフィードバックシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161477802P | 2011-04-21 | 2011-04-21 | |
US61/477,802 | 2011-04-21 | ||
PCT/US2012/033981 WO2012145342A2 (en) | 2011-04-21 | 2012-04-18 | Method and system for spatial channel state information feedback for multiple-input multiple-output (mimo) |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014515907A JP2014515907A (ja) | 2014-07-03 |
JP5865485B2 true JP5865485B2 (ja) | 2016-02-17 |
Family
ID=47042132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014506492A Expired - Fee Related JP5865485B2 (ja) | 2011-04-21 | 2012-04-18 | 多重入出力(mimo)のための空間チャネル状態情報のフィードバック方法およびシステム |
Country Status (6)
Country | Link |
---|---|
US (1) | US20140056167A1 (ja) |
EP (1) | EP2700177A4 (ja) |
JP (1) | JP5865485B2 (ja) |
KR (1) | KR101580380B1 (ja) |
CN (1) | CN103493393B (ja) |
WO (1) | WO2012145342A2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013152794A1 (en) * | 2012-04-12 | 2013-10-17 | Nokia Siemens Networks Oy | Method of reporting channel state information |
CN103812545B (zh) * | 2012-11-06 | 2018-11-16 | 上海诺基亚贝尔股份有限公司 | 信道状态信息的反馈方法与装置 |
WO2014190903A1 (en) | 2013-05-31 | 2014-12-04 | Qualcomm Incorporated | Linear precoding in full-dimensional mimo systems and dynamic vertical sectorization |
US9350444B2 (en) * | 2013-08-22 | 2016-05-24 | Broadcom Corporation | Wireless communication device with switched polarization and methods for use therewith |
KR102215523B1 (ko) * | 2014-03-27 | 2021-02-15 | 삼성전자주식회사 | 무선 통신 시스템에서 채널 정보를 피드백하기 위한 장치 및 방법 |
US10103798B2 (en) * | 2016-09-14 | 2018-10-16 | Samsung Electronics Co., Ltd. | Method and apparatus to enable channel compression in advanced wireless communication systems |
US10924162B2 (en) | 2017-05-05 | 2021-02-16 | At&T Intellectual Property I, L.P. | Facilitation of incremental feedback for 5G or other next generation network |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4864720B2 (ja) * | 2003-12-05 | 2012-02-01 | クアルコム,インコーポレイテッド | 閉ループ多重入出力移動通信システムで送信固有ベクトルを選択してデータを送信する装置及び方法 |
JP4460605B2 (ja) * | 2005-08-02 | 2010-05-12 | 三菱電機株式会社 | 通信装置および無線通信システム |
US7627347B2 (en) * | 2006-03-17 | 2009-12-01 | Nokia Corporation | Data transmission parameter optimization in MIMO communications system |
US8374275B2 (en) * | 2007-06-23 | 2013-02-12 | Panasonic Corporation | Method and system for communication channel optimization in a multiple-input multiple-output (MIMO) communication system |
US7907677B2 (en) * | 2007-08-10 | 2011-03-15 | Intel Corporation | Open loop MU-MIMO |
US20100032235A1 (en) * | 2008-08-08 | 2010-02-11 | Michael Barendregt | Safety arrangement for use in constructing a wood frame building |
PT2375604T (pt) * | 2009-01-07 | 2018-11-14 | Sun Patent Trust | Aparelho de comunicação sem fio, sistema de comunicação sem fio e método de comunicação sem fio |
US8600308B2 (en) * | 2009-06-17 | 2013-12-03 | Futurewei Technologies, Inc. | Channel state information feedback for coordinated multiple points transmission |
US8873650B2 (en) * | 2009-10-12 | 2014-10-28 | Motorola Mobility Llc | Configurable spatial channel information feedback in wireless communication system |
KR101871707B1 (ko) * | 2010-04-02 | 2018-06-27 | 엘지전자 주식회사 | 무선통신 시스템에서 채널상태정보 피드백 하는 단말 장치 및 그 방법 |
-
2012
- 2012-04-18 WO PCT/US2012/033981 patent/WO2012145342A2/en active Application Filing
- 2012-04-18 US US14/111,935 patent/US20140056167A1/en not_active Abandoned
- 2012-04-18 CN CN201280018046.5A patent/CN103493393B/zh active Active
- 2012-04-18 JP JP2014506492A patent/JP5865485B2/ja not_active Expired - Fee Related
- 2012-04-18 EP EP12774521.4A patent/EP2700177A4/en not_active Ceased
- 2012-04-18 KR KR1020137030616A patent/KR101580380B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US20140056167A1 (en) | 2014-02-27 |
CN103493393B (zh) | 2018-02-09 |
EP2700177A4 (en) | 2014-10-08 |
KR101580380B1 (ko) | 2015-12-23 |
EP2700177A2 (en) | 2014-02-26 |
WO2012145342A2 (en) | 2012-10-26 |
JP2014515907A (ja) | 2014-07-03 |
CN103493393A8 (zh) | 2016-07-06 |
CN103493393A (zh) | 2014-01-01 |
KR20140023371A (ko) | 2014-02-26 |
WO2012145342A3 (en) | 2012-12-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3272022B1 (en) | Methods and devices for determining precoder parameters in a wireless communication network | |
EP3046271B1 (en) | Method and apparatus for reduced feedback fd-mimo | |
CN102725967B (zh) | 用于信息反馈以及预编码的方法和装置 | |
CN107636984B (zh) | 用于操作mimo测量参考信号和反馈的方法和装置 | |
KR101871707B1 (ko) | 무선통신 시스템에서 채널상태정보 피드백 하는 단말 장치 및 그 방법 | |
CN101771505B (zh) | 一种额外的预编码矩阵索引的指示方法和系统 | |
CN101686110B (zh) | 一种多输入多输出系统、及其数据传输的方法及装置 | |
JP5865485B2 (ja) | 多重入出力(mimo)のための空間チャネル状態情報のフィードバック方法およびシステム | |
WO2020221582A1 (en) | Methods and apparatuses for csi reporting in a wireless communication system | |
EP3497808A2 (en) | Multi-beam codebooks with further optimized overhead | |
KR20210106548A (ko) | 무선통신 네트워크에서 피드백 보고를 위한 방법 및 장치 | |
US20140105316A1 (en) | Method and system for spatial channel state information feedback for multiple-input multiple-output (mimo) | |
KR20130009921A (ko) | 크로네커 곱에 기반한 공간적 채널 상태 정보 피드백을 위한 방법 및 시스템 | |
WO2017076347A1 (zh) | 一种信道状态信息量化反馈方法及终端 | |
CN105340192B (zh) | 映射码字的方法、无线电基站和计算机可读存储介质 | |
WO2011088034A1 (en) | Method and system of variable rate single- and multi-user mimo feedback for mobile communications systems | |
CN107689823A (zh) | 信道状态信息反馈的方法以及一种用户设备和基站 | |
CN104753628B (zh) | 一种信道信息反馈方法、系统及基站和终端 | |
WO2017167156A1 (zh) | Dmrs的发送方法及装置 | |
CN102696180B (zh) | 空间信道状态反馈方法和装置 | |
CN102598731B (zh) | 获取下行信道状态信息的方法及装置 | |
WO2015090021A1 (zh) | 波束质量信息反馈方法和系统 | |
EP2992622B1 (en) | Cqdebqqk feedback methqd and apparatus for multiple-antenna channel in mimq system | |
CN117678163A (zh) | 用于端口选择码本增强的方法和装置 | |
CN107666339A (zh) | 一种发送信道状态信息的方法和设备 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20141205 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20141216 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150316 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150519 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20150819 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150825 |
|
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: 20151201 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20151225 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5865485 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
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 |