JP2016027747A - 無線通信システムで多重ユーザ多重入力多重出力伝送方法 - Google Patents
無線通信システムで多重ユーザ多重入力多重出力伝送方法 Download PDFInfo
- Publication number
- JP2016027747A JP2016027747A JP2015188766A JP2015188766A JP2016027747A JP 2016027747 A JP2016027747 A JP 2016027747A JP 2015188766 A JP2015188766 A JP 2015188766A JP 2015188766 A JP2015188766 A JP 2015188766A JP 2016027747 A JP2016027747 A JP 2016027747A
- Authority
- JP
- Japan
- Prior art keywords
- drs
- specific reference
- reference signal
- mobile specific
- resource element
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000004891 communication Methods 0.000 title claims abstract description 43
- 230000005540 biological transmission Effects 0.000 title description 63
- 230000008054 signal transmission Effects 0.000 claims description 13
- 230000007480 spreading Effects 0.000 abstract description 9
- 201000000913 Duane retraction syndrome Diseases 0.000 description 140
- 238000000162 direct recoil spectroscopy Methods 0.000 description 140
- 239000010410 layer Substances 0.000 description 42
- 238000010586 diagram Methods 0.000 description 25
- 238000013507 mapping Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 230000011664 signaling Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 101000773184 Homo sapiens Twist-related protein 1 Proteins 0.000 description 6
- 102100030398 Twist-related protein 1 Human genes 0.000 description 6
- 102100040615 Homeobox protein MSX-2 Human genes 0.000 description 5
- 101000967222 Homo sapiens Homeobox protein MSX-2 Proteins 0.000 description 5
- 208000015842 craniosynostosis 2 Diseases 0.000 description 5
- 239000002356 single layer Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 239000013256 coordination polymer Substances 0.000 description 3
- 239000002355 dual-layer Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 101001018494 Homo sapiens Pro-MCH Proteins 0.000 description 2
- 102100033721 Pro-MCH Human genes 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000000794 confocal Raman spectroscopy Methods 0.000 description 1
- 238000011500 cytoreductive surgery Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/16—Deriving transmission power values from another channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/325—Power control of control or pilot channels
-
- 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
- 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
- H04L1/12—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]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/327—Power control of multicast channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
RE リソース要素:Resource Element
DCI ダウンリンク制御情報:Downlink Control Information
TDM 時分割多重化
FDM 周波数分割多重化
PDSCH ダウンリンク共有チャネル
Claims (24)
- 通信システムで信号を送信するための方法において、
階層の数に基づいて、モバイル特定基準信号(mobile specific reference signal)のリソース要素当たりのエネルギー(EPRE)に対する共有物理ダウンリンクチャネル(PDSCH)のリソース要素当たりのエネルギー(EPRE)の比を決定する段階と、
ハイブリッド自動再伝送要請(HARQ)情報、モバイル特定基準信号情報、送信ブロック(transport block)当たりの変調及び符号化スキーム(modulation and coding scheme)情報を含むダウンリンク制御情報を送信する段階と、
前記ダウンリンク制御情報に基づいて、前記PDSCHでデータを送信する段階とを含み、
OFDMシンボル毎に前記モバイル特定基準信号が含まれる場合、モバイル特定基準信号(mobile specific reference signal)のリソース要素当たりのエネルギー(EPRE)に対する共有物理ダウンリンクチャネル(PDSCH)のリソース要素当たりのエネルギー(EPRE)の比は1である、信号送信方法。 - 前記階層の数は、前記モバイル特定基準信号の数と同じである、請求項1記載の信号送信方法。
- 前記モバイル特定基準信号情報により指示される多重モバイル特定基準信号のインデックスが連続的である、請求項1記載の信号送信方法。
- 前記モバイル特定基準信号のインデックスと関連されたL番目のレイヤーはi_DRS+L−1である、請求項1記載の信号送信方法。
- 前記モバイル特定基準信号は、適用された符号分割多重方式及び周波数分割多重方式により定義される、請求項1記載の信号送信方法。
- 前記データは、セル特定基準信号リソース要素とモバイル特定基準信号リソース要素以外のリソース要素にマッピングされる、請求項1記載の信号送信方法。
- 通信システムで信号を送信するための装置において、
階層の数に基づいて、モバイル特定基準信号(mobile specific reference signal)のリソース要素当たりのエネルギー(EPRE)に対する共有物理ダウンリンクチャネル(PDSCH)のリソース要素当たりのエネルギー(EPRE)の比を決定する制御部と、
ハイブリッド自動再伝送要請(HARQ)情報、モバイル特定基準信号情報、送信ブロック(transport block)当たりの変調及び符号化スキーム(modulation and coding scheme)情報を含むダウンリンク制御情報を送信し、前記ダウンリンク制御情報に基づいて、前記PDSCHでデータを送信する通信部とを含み、
OFDMシンボル毎に前記モバイル特定基準信号が含まれる場合、モバイル特定基準信号(mobile specific reference signal)のリソース要素当たりのエネルギー(EPRE)に対する共有物理ダウンリンクチャネル(PDSCH)のリソース要素当たりのエネルギー(EPRE)の比は1である、信号送信装置。 - 前記階層の数は、前記モバイル特定基準信号の数と同じである、請求項7記載の信号送信装置。
- 前記モバイル特定基準信号情報により指示される多重モバイル特定基準信号のインデックスが連続的である、請求項7記載の信号送信装置。
- 前記モバイル特定基準信号のインデックスと関連されたL番目のレイヤーはi_DRS+L−1である、請求項7記載の信号送信装置。
- 前記モバイル特定基準信号は、適用された符号分割多重方式及び周波数分割多重方式により定義される、請求項7記載の信号送信装置。
- 前記データは、セル特定基準信号リソース要素とモバイル特定基準信号リソース要素以外のリソース要素にマッピングされる、請求項7記載の信号送信装置。
- 通信システムでの信号受信方法において、
ハイブリッド自動再伝送要請(HARQ)情報、モバイル特定基準信号情報、送信ブロック(transport block)当たりの変調及び符号化スキーム(modulation and coding scheme)情報を含むダウンリンク制御情報を受信する段階と、
階層の数に基づいて、モバイル特定基準信号(mobile specific reference signal)のリソース要素当たりのエネルギー(EPRE)に対する共有物理ダウンリンクチャネル(PDSCH)のリソース要素当たりのエネルギー(EPRE)の比を獲得する段階と、
前記ダウンリンク制御情報に基づいて、前記PDSCHでデータを受信する段階とを含み、
OFDMシンボル毎に前記モバイル特定基準信号が含まれる場合、モバイル特定基準信号(mobile specific reference signal)のリソース要素当たりのエネルギー(EPRE)に対する共有物理ダウンリンクチャネル(PDSCH)のリソース要素当たりのエネルギー(EPRE)の比は1である、信号受信方法。 - 前記階層の数は、前記モバイル特定基準信号の数と同じである、請求項13記載の信号受信方法。
- 前記モバイル特定基準信号情報により指示される多重モバイル特定基準信号のインデックスが連続的である、請求項13記載の信号受信方法。
- 前記モバイル特定基準信号のインデックスと関連されたL番目のレイヤーはi_DRS+L−1である、請求項13記載の信号受信方法。
- 前記モバイル特定基準信号は、適用された符号分割多重方式及び周波数分割多重方
式により定義される、請求項13記載の信号受信方法。 - 前記データは、セル特定基準信号リソース要素とモバイル特定基準信号リソース要素以外のリソース要素にマッピングされる、請求項13記載の信号受信方法。
- 通信システムで信号を受信するための装置において、
ハイブリッド自動再伝送要請(HARQ)情報、モバイル特定基準信号情報、送信ブロック(transport block)当たりの変調及び符号化スキーム(modulation and coding scheme)情報を含むダウンリンク制御情報を送信し、前記ダウンリンク制御情報に基づいて、前記PDSCHでデータを送信する通信部と、
階層の数に基づいて、モバイル特定基準信号(mobile specific reference signal)のリソース要素当たりのエネルギー(EPRE)に対する共有物理ダウンリンクチャネル(PDSCH)のリソース要素当たりのエネルギー(EPRE)の比を獲得する制御部とを含み、
OFDMシンボル毎に前記モバイル特定基準信号が含まれる場合、モバイル特定基準信号(mobile specific reference signal)のリソース要素当たりのエネルギー(EPRE)に対する共有物理ダウンリンクチャネル(PDSCH)のリソース要素当たりのエネルギー(EPRE)の比は1である、信号受信装置。 - 前記階層の数は、前記モバイル特定基準信号の数と同じである、請求項19記載の信号受信装置。
- 前記モバイル特定基準信号情報により指示される多重モバイル特定基準信号のインデックスが連続的である、請求項19記載の信号受信装置。
- 前記モバイル特定基準信号のインデックスと関連されたL番目のレイヤーはi_DRS+L−1である、請求項19記載の信号受信装置。
- 前記モバイル特定基準信号は、適用された符号分割多重方式及び周波数分割多重方式により定義される、請求項19記載の信号受信装置。
- 前記データは、セル特定基準信号リソース要素とモバイル特定基準信号リソース要素以外のリソース要素にマッピングされる、請求項19記載の信号受信装置。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21265909P | 2009-04-14 | 2009-04-14 | |
US61/212,659 | 2009-04-14 | ||
US12/753,364 | 2010-04-02 | ||
US12/753,364 US8369885B2 (en) | 2009-04-14 | 2010-04-02 | Multi-user MIMO transmissions in wireless communication systems |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012505816A Division JP2012524451A (ja) | 2009-04-14 | 2010-04-14 | 無線通信システムで多重ユーザ多重入力多重出力伝送方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016027747A true JP2016027747A (ja) | 2016-02-18 |
JP6618111B2 JP6618111B2 (ja) | 2019-12-11 |
Family
ID=42934304
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012505816A Pending JP2012524451A (ja) | 2009-04-14 | 2010-04-14 | 無線通信システムで多重ユーザ多重入力多重出力伝送方法 |
JP2015188766A Active JP6618111B2 (ja) | 2009-04-14 | 2015-09-25 | 無線通信システムで多重ユーザ多重入力多重出力伝送方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012505816A Pending JP2012524451A (ja) | 2009-04-14 | 2010-04-14 | 無線通信システムで多重ユーザ多重入力多重出力伝送方法 |
Country Status (7)
Country | Link |
---|---|
US (4) | US8369885B2 (ja) |
EP (2) | EP3787201A1 (ja) |
JP (2) | JP2012524451A (ja) |
KR (1) | KR101705665B1 (ja) |
CN (2) | CN102461001B (ja) |
RU (2) | RU2526538C2 (ja) |
WO (1) | WO2010120106A2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019169968A (ja) * | 2016-12-07 | 2019-10-03 | 三菱電機株式会社 | 送信装置 |
US10931413B2 (en) | 2016-12-07 | 2021-02-23 | Mitsubishi Electric Corporation | Transmission device, communication system, and transmission method that configure positions of reference signals in frequency and time domains for each of a plurality of layers |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1633067B1 (en) | 2003-07-02 | 2015-09-09 | Panasonic Intellectual Property Corporation of America | Communication apparatus and communication method |
EP2434823A1 (en) * | 2009-04-27 | 2012-03-28 | Panasonic Corporation | Wireless communication device and wireless communication method |
US8712399B2 (en) * | 2009-05-06 | 2014-04-29 | Texas Instruments Incorporated | Coordinated multi-point transmission in a cellular network |
WO2010146985A1 (ja) * | 2009-06-19 | 2010-12-23 | シャープ株式会社 | 無線通信システム、送信機および無線通信方法 |
WO2010147882A2 (en) | 2009-06-19 | 2010-12-23 | Research In Motion Limited | Method and system for signaling transmission layers for single user and multi user mimo |
CN101621492A (zh) * | 2009-08-14 | 2010-01-06 | 中兴通讯股份有限公司 | 一种专用解调数据参考信号的资源确定方法 |
KR101641968B1 (ko) | 2009-09-14 | 2016-07-29 | 엘지전자 주식회사 | 다중입출력 무선 통신 시스템에서 하향링크 신호 전송 방법 및 장치 |
CN102014099B (zh) * | 2009-11-02 | 2013-04-24 | 电信科学技术研究院 | 一种下行导频的传输方法、装置及系统 |
CN102076076B (zh) * | 2009-11-20 | 2015-11-25 | 夏普株式会社 | 一种解调参考信号的资源分配通知方法 |
BR112012017002A2 (pt) * | 2010-01-12 | 2016-04-05 | Alcatel Lucent | método e aparelho para redução da sobrecarga de sinalização de controle |
US20110255483A1 (en) * | 2010-04-16 | 2011-10-20 | Research In Motion Limited | Signaling of Precoding Granularity for LTE and LTE-A |
KR101792880B1 (ko) | 2010-04-20 | 2017-11-03 | 엘지전자 주식회사 | 무선 통신 시스템에서 참조 신호 전송 방법 및 장치 |
US9179464B2 (en) * | 2010-04-20 | 2015-11-03 | Lg Electronics Inc. | Method and device for transmitting reference signal in wireless communication system |
US9635648B2 (en) | 2011-05-03 | 2017-04-25 | Lg Electronics Inc. | Method for transmitting/receiving downlink control information in wireless communication system and device therefor |
US8848638B2 (en) * | 2011-06-27 | 2014-09-30 | Telefonaktiebolaget L M Ericsson (Publ) | Cellular communication system support for limited bandwidth communication devices |
CN102256358B (zh) * | 2011-07-08 | 2013-11-20 | 电信科学技术研究院 | 一种数据传输和接收方法、装置及系统 |
CN107425951B (zh) * | 2011-08-16 | 2020-08-21 | Lg 电子株式会社 | 在无线通信系统中基站复用下行链路控制信道的方法及其设备 |
WO2013052143A1 (en) * | 2011-10-07 | 2013-04-11 | Research In Motion Limted | Interference management in a wireless network |
CN103067118A (zh) * | 2011-10-18 | 2013-04-24 | 华为技术有限公司 | 一种实现数据传输的方法及装置 |
WO2013113140A1 (en) * | 2012-01-30 | 2013-08-08 | Nokia Siemens Networks Oy | Method and apparatus for realizing enhanced physical downlink control channel |
CN110266458B (zh) * | 2012-05-18 | 2022-07-12 | 索尼公司 | 无线通信系统中的通信装置和通信方法 |
US9661625B2 (en) * | 2012-10-04 | 2017-05-23 | Lg Electronics Inc. | Method and apparatus for transreceiving downlink signal by considering antenna port relationship in wireless communication system |
US9425946B2 (en) | 2013-02-21 | 2016-08-23 | Blackberry Limited | Interference measurement methods for advanced receiver in LTE/LTE-A |
CN105144768B (zh) | 2013-04-26 | 2019-05-21 | 英特尔Ip公司 | 频谱共享情境中的共享频谱重新分配 |
US9838091B2 (en) * | 2013-11-26 | 2017-12-05 | Futurewei Technologies, Inc. | System and method for a scale-invariant symbol demodulator |
US10541797B2 (en) * | 2014-09-24 | 2020-01-21 | Samsung Electronics Co., Ltd. | Method and apparatus for controlling transmission power in transmitter of wireless communication system |
US10624039B2 (en) | 2015-08-28 | 2020-04-14 | Huawei Technologies Co., Ltd. | System and method for power offset adjustments for downlink communications |
US10973018B2 (en) * | 2015-11-23 | 2021-04-06 | Qualcomm Incorporated | Wireless resource blocks with integrated control and data |
CN108282202B (zh) | 2017-01-06 | 2021-09-14 | 华为技术有限公司 | 一种功率配置方法及相关设备 |
US20220407646A1 (en) * | 2019-06-21 | 2022-12-22 | Ntt Docomo, Inc. | Terminal and radio communication method |
WO2021070392A1 (ja) * | 2019-10-11 | 2021-04-15 | 株式会社Nttドコモ | 端末及び無線通信方法 |
WO2022067649A1 (zh) * | 2020-09-30 | 2022-04-07 | 华为技术有限公司 | 一种dci传输方法、装置、芯片及系统 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013509739A (ja) * | 2009-10-29 | 2013-03-14 | 日本電気株式会社 | ダウンリンクmimo用ダウンリンク制御シグナリング |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7324474B2 (en) | 2003-10-21 | 2008-01-29 | Qualcomm Incorporated | Methods and apparatus for Network Initiated Data Services |
JP4940867B2 (ja) * | 2006-09-29 | 2012-05-30 | 日本電気株式会社 | 移動通信システムにおける制御信号およびリファレンス信号の多重方法、リソース割当方法および基地局 |
KR101355313B1 (ko) | 2006-10-12 | 2014-01-23 | 엘지전자 주식회사 | Mimo 시스템에서의 참조신호 배치 방법 |
US8243850B2 (en) * | 2006-10-24 | 2012-08-14 | Samsung Electronics Co., Ltd. | Method and system for generating reference signals in a wireless communication system |
KR101265632B1 (ko) * | 2006-12-12 | 2013-05-22 | 엘지전자 주식회사 | 참조 신호 전송, 참조 신호 전송 패턴 설정, 자원 블록설정 및 할당을 위한 방법 및 장치 |
WO2008103317A2 (en) * | 2007-02-16 | 2008-08-28 | Interdigital Technology Corporation | Precoded pilot transmission for multi-user and single user mimo communications |
CA2821614C (en) | 2007-03-21 | 2016-08-23 | Interdigital Technology Corporation | Mimo wireless communication method and apparatus for transmitting and decoding resource block structures based on a dedicated reference signal mode |
CN101287278A (zh) * | 2007-04-11 | 2008-10-15 | 华为技术有限公司 | 配置信息的处理方法、设备和系统 |
CN101743699B (zh) | 2007-06-27 | 2014-05-28 | 艾利森电话股份有限公司 | Su-mimo和mu-mimo之间的模式切换的方法、基站和终端 |
KR101448309B1 (ko) | 2007-09-28 | 2014-10-08 | 엘지전자 주식회사 | 무선통신 시스템에서 하향링크 제어채널 모니터링 방법 |
US20100097937A1 (en) | 2008-10-16 | 2010-04-22 | Interdigital Patent Holdings, Inc. | Method and apparatus for wireless transmit/receive unit specific pilot signal transmission and wireless transmit/receive unit specific pilot signal power boosting |
EP2338240B1 (en) * | 2008-11-04 | 2017-01-11 | Huawei Technologies Co., Ltd. | Method in a wireless communication system |
KR101554941B1 (ko) * | 2008-12-18 | 2015-09-22 | 엔이씨 래버러터리즈 아메리카 인코포레이티드 | 오버랩하는 함께 스케쥴링된 사용자들에 서비스를 제공하는 mu-mimo-ofdma 시스템 및 방법 |
KR101635883B1 (ko) * | 2009-02-03 | 2016-07-20 | 엘지전자 주식회사 | 하향링크 참조 신호 송수신 기법 |
US8472539B2 (en) * | 2009-04-07 | 2013-06-25 | Lg Electronics Inc. | Method of transmitting power information in wireless communication system |
CN102076076B (zh) | 2009-11-20 | 2015-11-25 | 夏普株式会社 | 一种解调参考信号的资源分配通知方法 |
KR20110095823A (ko) * | 2010-02-19 | 2011-08-25 | 엘지전자 주식회사 | 무선 통신 시스템에서 복수의 레이어들을 복수의 안테나 포트들에 맵핑하는 방법 및 장치 |
-
2010
- 2010-04-02 US US12/753,364 patent/US8369885B2/en not_active Ceased
- 2010-04-14 EP EP20203621.6A patent/EP3787201A1/en active Pending
- 2010-04-14 WO PCT/KR2010/002297 patent/WO2010120106A2/en active Application Filing
- 2010-04-14 EP EP10764645.7A patent/EP2420008B1/en active Active
- 2010-04-14 RU RU2011141585/07A patent/RU2526538C2/ru active
- 2010-04-14 KR KR1020117027023A patent/KR101705665B1/ko active IP Right Grant
- 2010-04-14 JP JP2012505816A patent/JP2012524451A/ja active Pending
- 2010-04-14 CN CN201080025347.1A patent/CN102461001B/zh active Active
- 2010-04-14 CN CN201510032514.XA patent/CN104619002B/zh active Active
-
2014
- 2014-05-13 US US14/276,750 patent/USRE46161E1/en active Active
- 2014-06-09 RU RU2014123513A patent/RU2649856C2/ru active
-
2015
- 2015-08-21 US US14/832,839 patent/USRE47338E1/en not_active Ceased
- 2015-09-25 JP JP2015188766A patent/JP6618111B2/ja active Active
-
2019
- 2019-10-30 US US16/669,339 patent/USRE48849E1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013509739A (ja) * | 2009-10-29 | 2013-03-14 | 日本電気株式会社 | ダウンリンクmimo用ダウンリンク制御シグナリング |
Non-Patent Citations (4)
Title |
---|
FUJITSU: "Pseudo Transmission Timing Control using Cyclic Shift for Downlink CoMP Joint Transmission", 3GPP TSG-RAN WG1#56B R1-091502, JPN6016022728, 27 February 2009 (2009-02-27), ISSN: 0003339123 * |
MOTOROLA ET AL.: "DRS EPRE", 3GPP TSG-RAN WG1#54 R1-083247, JPN6016022724, 22 August 2008 (2008-08-22), ISSN: 0003339121 * |
MOTOROLA: "Control Signaling for Enhanced DL transmission for LTE", 3GPP TSG-RAN WG1#56B R1-091339, JPN6016022723, 27 March 2009 (2009-03-27), ISSN: 0003339120 * |
NEC GROUP: "Downlink control signalling support for SU/MU-MIMO", 3GPP TSG-RAN WG1#59 R1-094730, JPN6016022726, 13 November 2009 (2009-11-13), ISSN: 0003339122 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019169968A (ja) * | 2016-12-07 | 2019-10-03 | 三菱電機株式会社 | 送信装置 |
US10931413B2 (en) | 2016-12-07 | 2021-02-23 | Mitsubishi Electric Corporation | Transmission device, communication system, and transmission method that configure positions of reference signals in frequency and time domains for each of a plurality of layers |
US11895044B2 (en) | 2016-12-07 | 2024-02-06 | Mitsubishi Electric Corporation | Transmission device, communication system, and transmission method |
Also Published As
Publication number | Publication date |
---|---|
RU2011141585A (ru) | 2013-04-20 |
US8369885B2 (en) | 2013-02-05 |
EP3787201A1 (en) | 2021-03-03 |
CN102461001B (zh) | 2016-02-17 |
JP6618111B2 (ja) | 2019-12-11 |
US20100260059A1 (en) | 2010-10-14 |
WO2010120106A2 (en) | 2010-10-21 |
EP2420008A4 (en) | 2014-11-26 |
USRE47338E1 (en) | 2019-04-02 |
CN102461001A (zh) | 2012-05-16 |
EP2420008B1 (en) | 2021-03-31 |
KR20120019447A (ko) | 2012-03-06 |
CN104619002A (zh) | 2015-05-13 |
RU2649856C2 (ru) | 2018-04-05 |
WO2010120106A3 (en) | 2011-01-27 |
JP2012524451A (ja) | 2012-10-11 |
USRE48849E1 (en) | 2021-12-07 |
USRE46161E1 (en) | 2016-09-20 |
EP2420008A2 (en) | 2012-02-22 |
KR101705665B1 (ko) | 2017-02-23 |
RU2014123513A (ru) | 2015-12-20 |
RU2526538C2 (ru) | 2014-08-27 |
CN104619002B (zh) | 2018-08-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6618111B2 (ja) | 無線通信システムで多重ユーザ多重入力多重出力伝送方法 | |
USRE48935E1 (en) | Method for indicating a DM-RS antenna port in a wireless communication system | |
US9621242B2 (en) | Downlink control signalling for indication of interfering layers | |
US9860900B2 (en) | Method for indicating a DM-RS antenna port in a wireless communication system | |
US9131492B2 (en) | Method and system of multi-layer beamforming | |
EP2443778B1 (en) | Method and system for indicating method used to scramble dedicated reference signals | |
US20150304997A1 (en) | Method for transmitting and receiving signal in multiple cell-based wireless communication system, and apparatus for same | |
US10050758B2 (en) | Method and device for determining reference signal antenna port for downlink control channel in wireless communication system | |
KR20130054217A (ko) | 무선 통신 시스템에서 제어 정보 전송을 위한 방법 및 장치 | |
KR20140043704A (ko) | 무선 통신 시스템 셀 간 간섭을 감소시키는 방법 및 이를 위한 장치 | |
KR20140129980A (ko) | 효율적 자원 할당을 위한 제어채널 시간-주파수 무선자원 구성 | |
KR20140129978A (ko) | 스몰셀에 적합한 제어 및 데이터 자원 할당 및 채널 구조 | |
KR20140129977A (ko) | 상향링크 제어 및 데이터 채널 구성 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20151026 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20160610 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160620 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20160920 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20161121 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20161128 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170317 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20170619 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20180129 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20190426 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20190705 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190808 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20191107 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6618111 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 |