JP2012520602A - 多重アンテナシステムにおける干渉緩和のための制御情報を転送するための方法及び装置 - Google Patents
多重アンテナシステムにおける干渉緩和のための制御情報を転送するための方法及び装置 Download PDFInfo
- Publication number
- JP2012520602A JP2012520602A JP2011553955A JP2011553955A JP2012520602A JP 2012520602 A JP2012520602 A JP 2012520602A JP 2011553955 A JP2011553955 A JP 2011553955A JP 2011553955 A JP2011553955 A JP 2011553955A JP 2012520602 A JP2012520602 A JP 2012520602A
- Authority
- JP
- Japan
- Prior art keywords
- pmi
- base station
- correlation
- interference
- pmis
- 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
Images
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
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
- H04B7/0613—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
- H04B7/0613—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/0026—Interference mitigation or co-ordination of multi-user interference
- H04J11/003—Interference mitigation or co-ordination of multi-user interference at the transmitter
- H04J11/0033—Interference mitigation or co-ordination of multi-user interference at the transmitter by pre-cancellation of known interference, e.g. using a matched filter, dirty paper coder or Thomlinson-Harashima precoder
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0053—Interference mitigation or co-ordination of intercell interference using co-ordinated multipoint transmission/reception
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
- H04L2025/03802—Signalling on the reverse channel
- H04L2025/03808—Transmission of equaliser coefficients
Abstract
Description
110 端末
120 干渉基地局
Claims (13)
- 多重アンテナシステムにおける干渉緩和のための制御情報を転送するための端末動作の方法において、
隣接基地局からの干渉に対し、第1プリコーディング行列インデックス(Precoding Matrix Index:PMI)そして第2PMIのうち一つを決定する過程と、
前記第1PMIそして前記第2PMIのうち一つと、前記コードブック内の他のPMIとの間における相関値からの相関レベル(correlation level)に基づいてPMIサブセットの大きさを決定する過程と、
前記相関レベルを指示する情報をフィードバックする過程と
を含むことを特徴とする方法。 - 多重アンテナシステムにおける干渉緩和のための制御情報を転送するのためのサービング基地局動作の方法において、
少なくとも一つ以上の端末からPMIサブセットの大きさを指示する相関レベルを受信する過程と、
前記少なくとも一つ以上の端末から受信したPMIサブセット情報に基づき、隣の基地局と交換して、前記サービング基地局と前記隣の基地局のPMI使用を調整(coordinate)する過程と
を含むことを特徴とする方法。 - 干渉緩和のための制御情報を転送するのための多重アンテナシステムにおいて、
隣接基地局からの干渉に対し、第1プリコーディング行列インデックス(Precoding Matrix Index:PMI)そして第2PMIのうち一つと、コードブック内の他のPMIとの間における相関レベルに基づき、多数のPMIサブセットをフィードバックする少なくとも一つ以上の端末と、
前記多数の端末からフィードバックされた多数のPMIサブセットを隣の基地局と交換し、前記サービング基地局と前記隣の基地局のPMI使用を調整するサービング基地局と
を含むことを特徴とするシステム。 - 前記第1PMIは隣接基地局に干渉を最も大きく起こすPMIであり、前記第2PMIは隣接基地局に干渉を最も小さく起こすPMIであることを特徴とする請求項1〜3の何れか1項に記載の方法。
- 前記第1PMIそして前記第2PMIとコードブック内の他のPMIとの間における相関をそれぞれ決定する過程と、
前記第1PMI或いは前記第2PMIと前記コードブック内の他のPMIとの間における相関値を降順に整列する過程と
を更に含むことを特徴とする請求項1に記載の方法。 - 前記PMIサブセットは、多数のrecommended PMIそして多数のrestricted PMIであることを特徴とする請求項1または3に記載の方法。
- 前記相関レベルは、2つの固定された相関レベル(n1、n2)であることを特徴とする請求項1または3に記載の方法。
- 前記第1PMIそして第2PMIのうち一つを決定する過程は、
基地局から受信されたフィードバックポーリングマップ情報(Feedback Polling A−MAP IE)から指示されることを特徴とする請求項1に記載の方法。 - 前記相関レベルは、第1PMIそして第2PMIとコードブック内の他のPMIとの間における相関値から整列された相関レベルであり、2つの固定された相関レベル(n1、n2)であることを特徴とする請求項2に記載の方法。
- 前記隣接基地局と調整された少なくとも一つ以上のPMI使用をビットマップで放送する過程を更に含むことを特徴とする請求項2に記載の方法。
- 前記端末は、隣接基地局からの干渉に対して第1PMIそして第2PMIのうち一つを決定し、
前記第1PMIそして前記第2PMIのうち一つと、前記コードブック内の他のPMIとの間における相関値からの相関レベルに基づいてPMIサブセットの大きさを決定し、
前記相関レベルを指示する情報をフィードバックすることを特徴とする請求項3に記載のシステム。 - 前記端末は、第1PMIそして前記第2PMIとコードブック内の他のPMIとの間における相関をそれぞれ決定し、
前記第1PMI或いは前記第2PMIと前記コードブック内の他のPMIとの間における相関値を降順に整列することを特徴とする請求項3に記載のシステム。 - 前記端末は、基地局から受信されたフィードバックポーリングマップ情報に基づき、前記第1PMIそして第2PMIのうち一つを決定することを特徴とする請求項3に記載の方法。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20090020880 | 2009-03-11 | ||
KR10-2009-0020880 | 2009-03-11 | ||
KR20090037359 | 2009-04-28 | ||
KR10-2009-0037359 | 2009-04-28 | ||
KR1020090055371A KR101587005B1 (ko) | 2009-03-11 | 2009-06-22 | 다중안테나시스템에서 간섭완화를 위한 제어정보를 전송하기 위한 방법 및 장치 |
KR10-2009-0055371 | 2009-06-22 | ||
PCT/KR2010/001525 WO2010104343A2 (en) | 2009-03-11 | 2010-03-11 | Method and apparatus for transmitting control information for interference mitigation in multiple antenna system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012520602A true JP2012520602A (ja) | 2012-09-06 |
JP5570080B2 JP5570080B2 (ja) | 2014-08-13 |
Family
ID=43007588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011553955A Active JP5570080B2 (ja) | 2009-03-11 | 2010-03-11 | 多重アンテナシステムにおける干渉緩和のための制御情報を転送するための方法及び装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9008213B2 (ja) |
EP (1) | EP2406892B1 (ja) |
JP (1) | JP5570080B2 (ja) |
KR (1) | KR101587005B1 (ja) |
CN (1) | CN102349240B (ja) |
TW (1) | TW201126941A (ja) |
WO (1) | WO2010104343A2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015501611A (ja) * | 2011-11-07 | 2015-01-15 | パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカPanasonic Intellectual Property Corporation of America | プリコーディング行列セットの品質の測定および報告 |
US9998257B2 (en) | 2013-04-10 | 2018-06-12 | Samsung Electronics Co., Ltd. | Relay method and relay system for relaying temporal-spatial block code scheme-based data using multiple relay terminals |
Families Citing this family (185)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101607988B1 (ko) * | 2009-04-23 | 2016-04-12 | 삼성전자주식회사 | 무선통신시스템에서 간섭 완화를 위한 장치 및 방법 |
WO2011013887A1 (en) * | 2009-07-30 | 2011-02-03 | Lg Electronics Inc. | Feedback scheme for multi-cell interference mitigation considering legacy mobile users |
KR101605326B1 (ko) * | 2010-02-26 | 2016-04-01 | 엘지전자 주식회사 | 신호 송수신 방법 및, 그를 위한 기지국 및 사용자기기 |
CN101917365B (zh) * | 2010-08-16 | 2015-06-03 | 中兴通讯股份有限公司 | 一种码本的配置方法、装置和系统 |
JP5451906B2 (ja) * | 2010-09-01 | 2014-03-26 | シャープ株式会社 | ユーザ端末、基地局、バイナリツリーに基づくジョイントコーディング方法およびコーダ |
US8867648B2 (en) * | 2010-12-16 | 2014-10-21 | Lg Electronics Inc. | Method for reporting channel status information in a multiantenna wireless communication system and device for same |
US20140023033A1 (en) * | 2011-04-13 | 2014-01-23 | Lg Electronics Inc. | Method and apparatus for transceiving channel status information and transceiver |
US20140086190A1 (en) * | 2011-05-10 | 2014-03-27 | Ntt Docomo, Inc. | Mobile station device, communication method, and computer program |
US9014150B2 (en) * | 2012-03-06 | 2015-04-21 | Industrial Technology Research Institute | Method and apparatus of enhancing performance of downlink multi-user multiple-input-multiple-output transmissions in wireless communication system |
KR102021590B1 (ko) * | 2012-06-04 | 2019-09-18 | 삼성전자주식회사 | 무선 통신 시스템에서 제어 정보 송수신 방법 및 장치 |
WO2014035102A1 (ko) * | 2012-08-26 | 2014-03-06 | 엘지전자 주식회사 | 무선 통신 시스템에서 코드북 기반 신호 전송 방법 및 장치 |
WO2014073488A1 (ja) * | 2012-11-06 | 2014-05-15 | 京セラ株式会社 | 移動通信システム、ユーザ端末、及びプロセッサ |
KR101759194B1 (ko) | 2012-12-04 | 2017-07-18 | 삼성전자주식회사 | 무선 통신시스템에서 피드백 송신을 위한 방법 및 장치 |
US9113347B2 (en) | 2012-12-05 | 2015-08-18 | At&T Intellectual Property I, Lp | Backhaul link for distributed antenna system |
US20140161059A1 (en) * | 2012-12-05 | 2014-06-12 | Electronics & Telecommunications Research Institute | Method for transmitting and receiving data in communication system using multiple antennas and apparatus therefor |
US10009065B2 (en) | 2012-12-05 | 2018-06-26 | At&T Intellectual Property I, L.P. | Backhaul link for distributed antenna system |
EP2878151B1 (en) * | 2012-12-21 | 2019-06-05 | Huawei Technologies Co., Ltd. | User equipment and method for estimating an inter cell interference |
KR102112608B1 (ko) * | 2013-04-05 | 2020-05-19 | 삼성전자 주식회사 | 거대 다중 안테나 시스템의 송수신 장치 및 방법 |
US9999038B2 (en) | 2013-05-31 | 2018-06-12 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US9525524B2 (en) | 2013-05-31 | 2016-12-20 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
KR102083352B1 (ko) | 2013-07-03 | 2020-03-03 | 삼성전자주식회사 | 가상 셀 네트워크 시스템에서 가상 셀 형성장치 및 방법 |
CN104349488A (zh) * | 2013-08-09 | 2015-02-11 | 阿尔卡特朗讯 | 多点协作中的信令信息交换装置与方法 |
US8897697B1 (en) | 2013-11-06 | 2014-11-25 | At&T Intellectual Property I, Lp | Millimeter-wave surface-wave communications |
US9209902B2 (en) | 2013-12-10 | 2015-12-08 | At&T Intellectual Property I, L.P. | Quasi-optical coupler |
US9692101B2 (en) | 2014-08-26 | 2017-06-27 | At&T Intellectual Property I, L.P. | Guided wave couplers for coupling electromagnetic waves between a waveguide surface and a surface of a wire |
US9768833B2 (en) | 2014-09-15 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves |
US10063280B2 (en) | 2014-09-17 | 2018-08-28 | At&T Intellectual Property I, L.P. | Monitoring and mitigating conditions in a communication network |
US9628854B2 (en) | 2014-09-29 | 2017-04-18 | At&T Intellectual Property I, L.P. | Method and apparatus for distributing content in a communication network |
US9615269B2 (en) | 2014-10-02 | 2017-04-04 | At&T Intellectual Property I, L.P. | Method and apparatus that provides fault tolerance in a communication network |
US9685992B2 (en) | 2014-10-03 | 2017-06-20 | At&T Intellectual Property I, L.P. | Circuit panel network and methods thereof |
US9503189B2 (en) | 2014-10-10 | 2016-11-22 | At&T Intellectual Property I, L.P. | Method and apparatus for arranging communication sessions in a communication system |
US9973299B2 (en) | 2014-10-14 | 2018-05-15 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting a mode of communication in a communication network |
US9762289B2 (en) | 2014-10-14 | 2017-09-12 | At&T Intellectual Property I, L.P. | Method and apparatus for transmitting or receiving signals in a transportation system |
US9780834B2 (en) | 2014-10-21 | 2017-10-03 | At&T Intellectual Property I, L.P. | Method and apparatus for transmitting electromagnetic waves |
US9312919B1 (en) | 2014-10-21 | 2016-04-12 | At&T Intellectual Property I, Lp | Transmission device with impairment compensation and methods for use therewith |
US9520945B2 (en) | 2014-10-21 | 2016-12-13 | At&T Intellectual Property I, L.P. | Apparatus for providing communication services and methods thereof |
US9769020B2 (en) | 2014-10-21 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for responding to events affecting communications in a communication network |
US9627768B2 (en) | 2014-10-21 | 2017-04-18 | At&T Intellectual Property I, L.P. | Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith |
US9577306B2 (en) | 2014-10-21 | 2017-02-21 | At&T Intellectual Property I, L.P. | Guided-wave transmission device and methods for use therewith |
US9653770B2 (en) | 2014-10-21 | 2017-05-16 | At&T Intellectual Property I, L.P. | Guided wave coupler, coupling module and methods for use therewith |
US9564947B2 (en) | 2014-10-21 | 2017-02-07 | At&T Intellectual Property I, L.P. | Guided-wave transmission device with diversity and methods for use therewith |
US9544006B2 (en) | 2014-11-20 | 2017-01-10 | At&T Intellectual Property I, L.P. | Transmission device with mode division multiplexing and methods for use therewith |
US9654173B2 (en) | 2014-11-20 | 2017-05-16 | At&T Intellectual Property I, L.P. | Apparatus for powering a communication device and methods thereof |
US10009067B2 (en) | 2014-12-04 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method and apparatus for configuring a communication interface |
US10340573B2 (en) | 2016-10-26 | 2019-07-02 | At&T Intellectual Property I, L.P. | Launcher with cylindrical coupling device and methods for use therewith |
US10243784B2 (en) | 2014-11-20 | 2019-03-26 | At&T Intellectual Property I, L.P. | System for generating topology information and methods thereof |
US9461706B1 (en) | 2015-07-31 | 2016-10-04 | At&T Intellectual Property I, Lp | Method and apparatus for exchanging communication signals |
US9800327B2 (en) | 2014-11-20 | 2017-10-24 | At&T Intellectual Property I, L.P. | Apparatus for controlling operations of a communication device and methods thereof |
US9954287B2 (en) | 2014-11-20 | 2018-04-24 | At&T Intellectual Property I, L.P. | Apparatus for converting wireless signals and electromagnetic waves and methods thereof |
US9742462B2 (en) | 2014-12-04 | 2017-08-22 | At&T Intellectual Property I, L.P. | Transmission medium and communication interfaces and methods for use therewith |
US10056926B2 (en) * | 2014-11-20 | 2018-08-21 | Lg Electronics Inc. | Method and device for transmitting and receiving inter-cell information for cancelling inter-cell interference |
US9997819B2 (en) | 2015-06-09 | 2018-06-12 | At&T Intellectual Property I, L.P. | Transmission medium and method for facilitating propagation of electromagnetic waves via a core |
US9680670B2 (en) | 2014-11-20 | 2017-06-13 | At&T Intellectual Property I, L.P. | Transmission device with channel equalization and control and methods for use therewith |
US10144036B2 (en) | 2015-01-30 | 2018-12-04 | At&T Intellectual Property I, L.P. | Method and apparatus for mitigating interference affecting a propagation of electromagnetic waves guided by a transmission medium |
US9876570B2 (en) | 2015-02-20 | 2018-01-23 | At&T Intellectual Property I, Lp | Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith |
US9749013B2 (en) | 2015-03-17 | 2017-08-29 | At&T Intellectual Property I, L.P. | Method and apparatus for reducing attenuation of electromagnetic waves guided by a transmission medium |
US10224981B2 (en) | 2015-04-24 | 2019-03-05 | At&T Intellectual Property I, Lp | Passive electrical coupling device and methods for use therewith |
US9705561B2 (en) | 2015-04-24 | 2017-07-11 | At&T Intellectual Property I, L.P. | Directional coupling device and methods for use therewith |
US9948354B2 (en) | 2015-04-28 | 2018-04-17 | At&T Intellectual Property I, L.P. | Magnetic coupling device with reflective plate and methods for use therewith |
US9793954B2 (en) | 2015-04-28 | 2017-10-17 | At&T Intellectual Property I, L.P. | Magnetic coupling device and methods for use therewith |
US9871282B2 (en) | 2015-05-14 | 2018-01-16 | At&T Intellectual Property I, L.P. | At least one transmission medium having a dielectric surface that is covered at least in part by a second dielectric |
US9490869B1 (en) | 2015-05-14 | 2016-11-08 | At&T Intellectual Property I, L.P. | Transmission medium having multiple cores and methods for use therewith |
US9748626B2 (en) | 2015-05-14 | 2017-08-29 | At&T Intellectual Property I, L.P. | Plurality of cables having different cross-sectional shapes which are bundled together to form a transmission medium |
US10650940B2 (en) | 2015-05-15 | 2020-05-12 | At&T Intellectual Property I, L.P. | Transmission medium having a conductive material and methods for use therewith |
US10679767B2 (en) | 2015-05-15 | 2020-06-09 | At&T Intellectual Property I, L.P. | Transmission medium having a conductive material and methods for use therewith |
US9917341B2 (en) | 2015-05-27 | 2018-03-13 | At&T Intellectual Property I, L.P. | Apparatus and method for launching electromagnetic waves and for modifying radial dimensions of the propagating electromagnetic waves |
US10348391B2 (en) | 2015-06-03 | 2019-07-09 | At&T Intellectual Property I, L.P. | Client node device with frequency conversion and methods for use therewith |
US9866309B2 (en) | 2015-06-03 | 2018-01-09 | At&T Intellectual Property I, Lp | Host node device and methods for use therewith |
US10154493B2 (en) | 2015-06-03 | 2018-12-11 | At&T Intellectual Property I, L.P. | Network termination and methods for use therewith |
US9912381B2 (en) | 2015-06-03 | 2018-03-06 | At&T Intellectual Property I, Lp | Network termination and methods for use therewith |
US10812174B2 (en) | 2015-06-03 | 2020-10-20 | At&T Intellectual Property I, L.P. | Client node device and methods for use therewith |
US10103801B2 (en) | 2015-06-03 | 2018-10-16 | At&T Intellectual Property I, L.P. | Host node device and methods for use therewith |
US9913139B2 (en) | 2015-06-09 | 2018-03-06 | At&T Intellectual Property I, L.P. | Signal fingerprinting for authentication of communicating devices |
US10142086B2 (en) | 2015-06-11 | 2018-11-27 | At&T Intellectual Property I, L.P. | Repeater and methods for use therewith |
US9608692B2 (en) | 2015-06-11 | 2017-03-28 | At&T Intellectual Property I, L.P. | Repeater and methods for use therewith |
US9820146B2 (en) | 2015-06-12 | 2017-11-14 | At&T Intellectual Property I, L.P. | Method and apparatus for authentication and identity management of communicating devices |
US9667317B2 (en) | 2015-06-15 | 2017-05-30 | At&T Intellectual Property I, L.P. | Method and apparatus for providing security using network traffic adjustments |
US9640850B2 (en) | 2015-06-25 | 2017-05-02 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium |
US9509415B1 (en) | 2015-06-25 | 2016-11-29 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a fundamental wave mode on a transmission medium |
US9865911B2 (en) | 2015-06-25 | 2018-01-09 | At&T Intellectual Property I, L.P. | Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium |
US9722318B2 (en) | 2015-07-14 | 2017-08-01 | At&T Intellectual Property I, L.P. | Method and apparatus for coupling an antenna to a device |
US10205655B2 (en) | 2015-07-14 | 2019-02-12 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array and multiple communication paths |
US10033107B2 (en) | 2015-07-14 | 2018-07-24 | At&T Intellectual Property I, L.P. | Method and apparatus for coupling an antenna to a device |
US10170840B2 (en) | 2015-07-14 | 2019-01-01 | At&T Intellectual Property I, L.P. | Apparatus and methods for sending or receiving electromagnetic signals |
US10341142B2 (en) | 2015-07-14 | 2019-07-02 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating non-interfering electromagnetic waves on an uninsulated conductor |
US10148016B2 (en) | 2015-07-14 | 2018-12-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array |
US10044409B2 (en) | 2015-07-14 | 2018-08-07 | At&T Intellectual Property I, L.P. | Transmission medium and methods for use therewith |
US10033108B2 (en) | 2015-07-14 | 2018-07-24 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating an electromagnetic wave having a wave mode that mitigates interference |
US10320586B2 (en) | 2015-07-14 | 2019-06-11 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating non-interfering electromagnetic waves on an insulated transmission medium |
US9853342B2 (en) | 2015-07-14 | 2017-12-26 | At&T Intellectual Property I, L.P. | Dielectric transmission medium connector and methods for use therewith |
US9836957B2 (en) | 2015-07-14 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for communicating with premises equipment |
US9628116B2 (en) | 2015-07-14 | 2017-04-18 | At&T Intellectual Property I, L.P. | Apparatus and methods for transmitting wireless signals |
US9882257B2 (en) | 2015-07-14 | 2018-01-30 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US9847566B2 (en) | 2015-07-14 | 2017-12-19 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting a field of a signal to mitigate interference |
US9793951B2 (en) | 2015-07-15 | 2017-10-17 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US10090606B2 (en) | 2015-07-15 | 2018-10-02 | At&T Intellectual Property I, L.P. | Antenna system with dielectric array and methods for use therewith |
US9608740B2 (en) | 2015-07-15 | 2017-03-28 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US9871283B2 (en) | 2015-07-23 | 2018-01-16 | At&T Intellectual Property I, Lp | Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration |
US9948333B2 (en) | 2015-07-23 | 2018-04-17 | At&T Intellectual Property I, L.P. | Method and apparatus for wireless communications to mitigate interference |
US9749053B2 (en) | 2015-07-23 | 2017-08-29 | At&T Intellectual Property I, L.P. | Node device, repeater and methods for use therewith |
US10784670B2 (en) | 2015-07-23 | 2020-09-22 | At&T Intellectual Property I, L.P. | Antenna support for aligning an antenna |
US9912027B2 (en) | 2015-07-23 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for exchanging communication signals |
US9735833B2 (en) | 2015-07-31 | 2017-08-15 | At&T Intellectual Property I, L.P. | Method and apparatus for communications management in a neighborhood network |
US9967173B2 (en) | 2015-07-31 | 2018-05-08 | At&T Intellectual Property I, L.P. | Method and apparatus for authentication and identity management of communicating devices |
US10020587B2 (en) | 2015-07-31 | 2018-07-10 | At&T Intellectual Property I, L.P. | Radial antenna and methods for use therewith |
US9904535B2 (en) | 2015-09-14 | 2018-02-27 | At&T Intellectual Property I, L.P. | Method and apparatus for distributing software |
US10009901B2 (en) | 2015-09-16 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method, apparatus, and computer-readable storage medium for managing utilization of wireless resources between base stations |
US9705571B2 (en) | 2015-09-16 | 2017-07-11 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system |
US10009063B2 (en) | 2015-09-16 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an out-of-band reference signal |
US10079661B2 (en) | 2015-09-16 | 2018-09-18 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having a clock reference |
US10051629B2 (en) | 2015-09-16 | 2018-08-14 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an in-band reference signal |
US10136434B2 (en) | 2015-09-16 | 2018-11-20 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an ultra-wideband control channel |
US9769128B2 (en) | 2015-09-28 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for encryption of communications over a network |
US9729197B2 (en) | 2015-10-01 | 2017-08-08 | At&T Intellectual Property I, L.P. | Method and apparatus for communicating network management traffic over a network |
US9876264B2 (en) | 2015-10-02 | 2018-01-23 | At&T Intellectual Property I, Lp | Communication system, guided wave switch and methods for use therewith |
US10074890B2 (en) | 2015-10-02 | 2018-09-11 | At&T Intellectual Property I, L.P. | Communication device and antenna with integrated light assembly |
US9882277B2 (en) | 2015-10-02 | 2018-01-30 | At&T Intellectual Property I, Lp | Communication device and antenna assembly with actuated gimbal mount |
US10665942B2 (en) | 2015-10-16 | 2020-05-26 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting wireless communications |
US10051483B2 (en) | 2015-10-16 | 2018-08-14 | At&T Intellectual Property I, L.P. | Method and apparatus for directing wireless signals |
US10355367B2 (en) | 2015-10-16 | 2019-07-16 | At&T Intellectual Property I, L.P. | Antenna structure for exchanging wireless signals |
CN106888039A (zh) * | 2015-12-09 | 2017-06-23 | 中国联合网络通信集团有限公司 | 一种预编码方法及装置 |
US10439743B2 (en) * | 2016-01-12 | 2019-10-08 | Telefonaktiebolaget Lm Ericsson (Publ) | System, method and apparatus for managing co-channel interference |
CN105812082A (zh) * | 2016-03-11 | 2016-07-27 | 东南大学 | 一种基于干扰容忍的多小区系统的高效传输协议方法 |
US10230409B2 (en) * | 2016-05-24 | 2019-03-12 | Hughes Network Systems, Llc | Apparatus and method for reduced computation amplifier gain control |
US9912419B1 (en) | 2016-08-24 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for managing a fault in a distributed antenna system |
US9860075B1 (en) | 2016-08-26 | 2018-01-02 | At&T Intellectual Property I, L.P. | Method and communication node for broadband distribution |
US10291311B2 (en) | 2016-09-09 | 2019-05-14 | At&T Intellectual Property I, L.P. | Method and apparatus for mitigating a fault in a distributed antenna system |
US11032819B2 (en) | 2016-09-15 | 2021-06-08 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having a control channel reference signal |
US10135147B2 (en) | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via an antenna |
US10135146B2 (en) | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via circuits |
US10340600B2 (en) | 2016-10-18 | 2019-07-02 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via plural waveguide systems |
US9876605B1 (en) | 2016-10-21 | 2018-01-23 | At&T Intellectual Property I, L.P. | Launcher and coupling system to support desired guided wave mode |
US9991580B2 (en) | 2016-10-21 | 2018-06-05 | At&T Intellectual Property I, L.P. | Launcher and coupling system for guided wave mode cancellation |
US10811767B2 (en) | 2016-10-21 | 2020-10-20 | At&T Intellectual Property I, L.P. | System and dielectric antenna with convex dielectric radome |
US10374316B2 (en) | 2016-10-21 | 2019-08-06 | At&T Intellectual Property I, L.P. | System and dielectric antenna with non-uniform dielectric |
US10312567B2 (en) | 2016-10-26 | 2019-06-04 | At&T Intellectual Property I, L.P. | Launcher with planar strip antenna and methods for use therewith |
US10224634B2 (en) | 2016-11-03 | 2019-03-05 | At&T Intellectual Property I, L.P. | Methods and apparatus for adjusting an operational characteristic of an antenna |
US10225025B2 (en) | 2016-11-03 | 2019-03-05 | At&T Intellectual Property I, L.P. | Method and apparatus for detecting a fault in a communication system |
US10291334B2 (en) | 2016-11-03 | 2019-05-14 | At&T Intellectual Property I, L.P. | System for detecting a fault in a communication system |
US10498044B2 (en) | 2016-11-03 | 2019-12-03 | At&T Intellectual Property I, L.P. | Apparatus for configuring a surface of an antenna |
US10535928B2 (en) | 2016-11-23 | 2020-01-14 | At&T Intellectual Property I, L.P. | Antenna system and methods for use therewith |
US10340603B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Antenna system having shielded structural configurations for assembly |
US10340601B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Multi-antenna system and methods for use therewith |
US10090594B2 (en) | 2016-11-23 | 2018-10-02 | At&T Intellectual Property I, L.P. | Antenna system having structural configurations for assembly |
US10178445B2 (en) | 2016-11-23 | 2019-01-08 | At&T Intellectual Property I, L.P. | Methods, devices, and systems for load balancing between a plurality of waveguides |
US10305190B2 (en) | 2016-12-01 | 2019-05-28 | At&T Intellectual Property I, L.P. | Reflecting dielectric antenna system and methods for use therewith |
US10361489B2 (en) | 2016-12-01 | 2019-07-23 | At&T Intellectual Property I, L.P. | Dielectric dish antenna system and methods for use therewith |
US10326494B2 (en) | 2016-12-06 | 2019-06-18 | At&T Intellectual Property I, L.P. | Apparatus for measurement de-embedding and methods for use therewith |
US10135145B2 (en) | 2016-12-06 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating an electromagnetic wave along a transmission medium |
US10755542B2 (en) | 2016-12-06 | 2020-08-25 | At&T Intellectual Property I, L.P. | Method and apparatus for surveillance via guided wave communication |
US10637149B2 (en) | 2016-12-06 | 2020-04-28 | At&T Intellectual Property I, L.P. | Injection molded dielectric antenna and methods for use therewith |
US10439675B2 (en) | 2016-12-06 | 2019-10-08 | At&T Intellectual Property I, L.P. | Method and apparatus for repeating guided wave communication signals |
US10694379B2 (en) | 2016-12-06 | 2020-06-23 | At&T Intellectual Property I, L.P. | Waveguide system with device-based authentication and methods for use therewith |
US10727599B2 (en) | 2016-12-06 | 2020-07-28 | At&T Intellectual Property I, L.P. | Launcher with slot antenna and methods for use therewith |
US10382976B2 (en) | 2016-12-06 | 2019-08-13 | At&T Intellectual Property I, L.P. | Method and apparatus for managing wireless communications based on communication paths and network device positions |
US9927517B1 (en) | 2016-12-06 | 2018-03-27 | At&T Intellectual Property I, L.P. | Apparatus and methods for sensing rainfall |
US10819035B2 (en) | 2016-12-06 | 2020-10-27 | At&T Intellectual Property I, L.P. | Launcher with helical antenna and methods for use therewith |
US10020844B2 (en) | 2016-12-06 | 2018-07-10 | T&T Intellectual Property I, L.P. | Method and apparatus for broadcast communication via guided waves |
US10446936B2 (en) | 2016-12-07 | 2019-10-15 | At&T Intellectual Property I, L.P. | Multi-feed dielectric antenna system and methods for use therewith |
US10168695B2 (en) | 2016-12-07 | 2019-01-01 | At&T Intellectual Property I, L.P. | Method and apparatus for controlling an unmanned aircraft |
US10359749B2 (en) | 2016-12-07 | 2019-07-23 | At&T Intellectual Property I, L.P. | Method and apparatus for utilities management via guided wave communication |
US10389029B2 (en) | 2016-12-07 | 2019-08-20 | At&T Intellectual Property I, L.P. | Multi-feed dielectric antenna system with core selection and methods for use therewith |
US10243270B2 (en) | 2016-12-07 | 2019-03-26 | At&T Intellectual Property I, L.P. | Beam adaptive multi-feed dielectric antenna system and methods for use therewith |
US10139820B2 (en) | 2016-12-07 | 2018-11-27 | At&T Intellectual Property I, L.P. | Method and apparatus for deploying equipment of a communication system |
US10547348B2 (en) | 2016-12-07 | 2020-01-28 | At&T Intellectual Property I, L.P. | Method and apparatus for switching transmission mediums in a communication system |
US10027397B2 (en) | 2016-12-07 | 2018-07-17 | At&T Intellectual Property I, L.P. | Distributed antenna system and methods for use therewith |
US9893795B1 (en) | 2016-12-07 | 2018-02-13 | At&T Intellectual Property I, Lp | Method and repeater for broadband distribution |
US10530505B2 (en) | 2016-12-08 | 2020-01-07 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching electromagnetic waves along a transmission medium |
US10777873B2 (en) | 2016-12-08 | 2020-09-15 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
US9998870B1 (en) | 2016-12-08 | 2018-06-12 | At&T Intellectual Property I, L.P. | Method and apparatus for proximity sensing |
US10389037B2 (en) | 2016-12-08 | 2019-08-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for selecting sections of an antenna array and use therewith |
US10938108B2 (en) | 2016-12-08 | 2021-03-02 | At&T Intellectual Property I, L.P. | Frequency selective multi-feed dielectric antenna system and methods for use therewith |
US10601494B2 (en) | 2016-12-08 | 2020-03-24 | At&T Intellectual Property I, L.P. | Dual-band communication device and method for use therewith |
US10103422B2 (en) | 2016-12-08 | 2018-10-16 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
US9911020B1 (en) | 2016-12-08 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for tracking via a radio frequency identification device |
US10069535B2 (en) | 2016-12-08 | 2018-09-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching electromagnetic waves having a certain electric field structure |
US10411356B2 (en) | 2016-12-08 | 2019-09-10 | At&T Intellectual Property I, L.P. | Apparatus and methods for selectively targeting communication devices with an antenna array |
US10326689B2 (en) | 2016-12-08 | 2019-06-18 | At&T Intellectual Property I, L.P. | Method and system for providing alternative communication paths |
US10916969B2 (en) | 2016-12-08 | 2021-02-09 | At&T Intellectual Property I, L.P. | Method and apparatus for providing power using an inductive coupling |
US9838896B1 (en) | 2016-12-09 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for assessing network coverage |
US10340983B2 (en) | 2016-12-09 | 2019-07-02 | At&T Intellectual Property I, L.P. | Method and apparatus for surveying remote sites via guided wave communications |
US10264586B2 (en) | 2016-12-09 | 2019-04-16 | At&T Mobility Ii Llc | Cloud-based packet controller and methods for use therewith |
US9973940B1 (en) | 2017-02-27 | 2018-05-15 | At&T Intellectual Property I, L.P. | Apparatus and methods for dynamic impedance matching of a guided wave launcher |
US10298293B2 (en) | 2017-03-13 | 2019-05-21 | At&T Intellectual Property I, L.P. | Apparatus of communication utilizing wireless network devices |
WO2023134939A1 (de) * | 2022-01-12 | 2023-07-20 | Sew-Eurodrive Gmbh & Co. Kg | Verfahren zur auswahl eines datenübertragungsverfahrens und verfahren zum betreiben eines kommunikationssystems |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008079262A (ja) * | 2006-08-22 | 2008-04-03 | Ntt Docomo Inc | 下りリンクmimo伝送制御方法および基地局装置 |
WO2008104907A2 (en) * | 2007-02-28 | 2008-09-04 | Koninklijke Philips Electronics N.V. | Method and apparatus for selecting pre-coding vectors |
WO2008131352A1 (en) * | 2007-04-20 | 2008-10-30 | Interdigital Technology Corporation | Method and apparatus for efficient precoding information validation for mimo communications |
JP2011508576A (ja) * | 2007-12-31 | 2011-03-10 | エルジー エレクトロニクス インコーポレイティド | セル間干渉低減方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7063907B2 (en) * | 2003-07-02 | 2006-06-20 | Utc Fuel Cells, Llc | Passive water management system for a fuel cell power plant |
KR100575993B1 (ko) * | 2003-08-07 | 2006-05-02 | 삼성전자주식회사 | 다중 송수신 안테나를 사용하는 이동통신 시스템에서 다중사용자를 위한 스케쥴링 방법 및 장치 |
KR20080015352A (ko) | 2006-08-14 | 2008-02-19 | 엘지전자 주식회사 | 다중 안테나 시스템에서의 피드백 방법 |
JP2008131352A (ja) | 2006-11-21 | 2008-06-05 | N H K Itec:Kk | 1セグメント信号生成装置及び1セグメント信号生成プログラム |
KR20080051532A (ko) | 2006-12-06 | 2008-06-11 | 엘지전자 주식회사 | 프로젝션 영상기기 |
KR101382401B1 (ko) * | 2007-03-13 | 2014-04-10 | 한국교통대학교산학협력단 | 다중 입출력 무선통신 시스템에서 프리코딩 장치 및 방법 |
WO2008113210A1 (en) * | 2007-03-20 | 2008-09-25 | Huawei Technologies Co., Ltd. | Channel quality estimation in a multiple user multiple input multiple output wireless system |
US8179775B2 (en) | 2007-08-14 | 2012-05-15 | Texas Instruments Incorporated | Precoding matrix feedback processes, circuits and systems |
GB0800366D0 (en) | 2008-01-09 | 2008-02-20 | Icera Inc | System and method of wireless communication |
TWI514805B (zh) | 2008-07-02 | 2015-12-21 | Interdigital Patent Holdings | 多輸入多輸出通訊排序及預編碼矩陣測量及報告方法及裝置 |
US8406171B2 (en) * | 2008-08-01 | 2013-03-26 | Texas Instruments Incorporated | Network MIMO reporting, control signaling and transmission |
-
2009
- 2009-06-22 KR KR1020090055371A patent/KR101587005B1/ko active IP Right Grant
-
2010
- 2010-03-11 EP EP10751034.9A patent/EP2406892B1/en active Active
- 2010-03-11 JP JP2011553955A patent/JP5570080B2/ja active Active
- 2010-03-11 TW TW099107139A patent/TW201126941A/zh unknown
- 2010-03-11 WO PCT/KR2010/001525 patent/WO2010104343A2/en active Application Filing
- 2010-03-11 CN CN201080010955.5A patent/CN102349240B/zh active Active
- 2010-03-11 US US12/661,155 patent/US9008213B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008079262A (ja) * | 2006-08-22 | 2008-04-03 | Ntt Docomo Inc | 下りリンクmimo伝送制御方法および基地局装置 |
WO2008104907A2 (en) * | 2007-02-28 | 2008-09-04 | Koninklijke Philips Electronics N.V. | Method and apparatus for selecting pre-coding vectors |
WO2008131352A1 (en) * | 2007-04-20 | 2008-10-30 | Interdigital Technology Corporation | Method and apparatus for efficient precoding information validation for mimo communications |
JP2011508576A (ja) * | 2007-12-31 | 2011-03-10 | エルジー エレクトロニクス インコーポレイティド | セル間干渉低減方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015501611A (ja) * | 2011-11-07 | 2015-01-15 | パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカPanasonic Intellectual Property Corporation of America | プリコーディング行列セットの品質の測定および報告 |
US9496940B2 (en) | 2011-11-07 | 2016-11-15 | Panasonic Intellectual Property Corporation Of America | Precoding matrix set quality measurement and reporting |
US9998257B2 (en) | 2013-04-10 | 2018-06-12 | Samsung Electronics Co., Ltd. | Relay method and relay system for relaying temporal-spatial block code scheme-based data using multiple relay terminals |
Also Published As
Publication number | Publication date |
---|---|
WO2010104343A2 (en) | 2010-09-16 |
JP5570080B2 (ja) | 2014-08-13 |
US9008213B2 (en) | 2015-04-14 |
WO2010104343A3 (en) | 2010-12-09 |
EP2406892A4 (en) | 2015-11-18 |
KR20100102512A (ko) | 2010-09-24 |
EP2406892A2 (en) | 2012-01-18 |
CN102349240A (zh) | 2012-02-08 |
TW201126941A (en) | 2011-08-01 |
CN102349240B (zh) | 2016-05-25 |
US20100232539A1 (en) | 2010-09-16 |
KR101587005B1 (ko) | 2016-02-02 |
EP2406892B1 (en) | 2018-01-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5570080B2 (ja) | 多重アンテナシステムにおける干渉緩和のための制御情報を転送するための方法及び装置 | |
US10050734B2 (en) | Network node and method for enabling interference alignment of transmissions to user equipments | |
EP2681853B1 (en) | Coordinated multiple point transmission and reception | |
KR101520685B1 (ko) | 복수의 코드북을 이용하는 다중 셀 환경에서의 셀 간 간섭 제거 방법 | |
EP2446555B1 (en) | Communication system for distributedly managing interference using feedback message | |
US8923844B2 (en) | Coordinated beam forming and multi-user MIMO | |
CN101771505B (zh) | 一种额外的预编码矩阵索引的指示方法和系统 | |
US20150282185A1 (en) | Multi-user, multiple access, systems, methods, and devices | |
KR101060857B1 (ko) | Mimo 통신 시스템에서의 데이터 전송 방법 및 장치 | |
CN115499922A (zh) | 用于高级csi反馈开销减少的可配置码本 | |
EP2375581B1 (en) | Feedback for multi-user MIMO systems | |
EP2369756A2 (en) | Method and apparatus for data transmission based on multiple cell collaboration | |
US20150036623A1 (en) | System and Method for Interference Alignment in Cognitive Small Cell Networks | |
CN106416106A (zh) | 使用干扰消除和抑制接收机进行csi增强的用户设备和方法 | |
US8744473B2 (en) | Downlink limited-feedback interference alignment with constant amplitude codebooks and rate balance scheduling | |
US8699610B2 (en) | Feedback scheme for multi-cell interference mitigation consideration legacy mobile users | |
EP2795807B1 (en) | Downlink transmission in a mu-mimo system | |
US10194455B2 (en) | Method for feeding back channel quality indicator, and method and apparatus for sending resource scheduling information | |
KR20110103067A (ko) | 다중 안테나 시스템에서 셀 간 간섭을 제거하기 위한 장치 및 방법 | |
CN106160925A (zh) | 用于多用户层叠传输的cqi增强的方法及装置 | |
US11012129B2 (en) | Transmission of reference signals from a terminal device | |
TW201448651A (zh) | 用戶設備 | |
US9288029B2 (en) | Method and apparatus for adaptive channel direction information feedback in a heterogeneous system | |
EP2858448B1 (en) | User equipment and method for matching interference channel codeword in inter-cell multi-aerial coordinated system | |
KR20100091585A (ko) | 무선 통신 네트워크에서 다중 셀을 위해 설계된 코드북을 이용한 협력 전송 방법 및 이를 위한 무선 통신 시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20130128 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20131227 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140204 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140502 |
|
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: 20140527 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140623 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5570080 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 |
|
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 |