JP5637486B2 - 交差偏波アンテナ用のmimoフィードバックスキーム - Google Patents
交差偏波アンテナ用のmimoフィードバックスキーム Download PDFInfo
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- 239000011159 matrix material Substances 0.000 claims description 96
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- 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
- H04B7/10—Polarisation diversity; Directional diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0641—Differential feedback
-
- 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
- H04B7/0663—Feedback reduction using vector or matrix manipulations
Description
本願は、2009年12月17日出願の米国仮特許出願第61/287,652号および2010年1月11日出願の米国仮特許出願第61/294,000号の利益を主張し、これらの開示内容の全体を本明細書に参照として組み込む。
として表されるこれらの行列のクロネッカー積は、m・p×n・qの行列であり、当該行列の要素はcαβ=xijyklと定義され、xijおよびyklはそれぞれXおよびYの要素を表し、
であり、β=q(j−1)+lである。)
および、
および、
である。
に、また、数18において
に)。
Claims (20)
- 第1の偏波性を有する第1セットのアンテナと、前記第1の偏波性に直交する第2の偏波性を有する第2セットのアンテナとを有するアンテナアレイから複数の通信チャネルを介して多重入出力(MIMO)信号を受信する段階と、
前記第1セットまたは前記第2セット内のアンテナに対応する通信チャネル間の関係、または、前記第1セットまたは前記第2セット内の前記アンテナから受信した信号間の関係である第1の相互関係に関する第1のフィードバック情報を算出する段階と、
前記第1セットのアンテナと前記第2セットのアンテナに対応する通信チャネル間の関係、または、前記第1セットの前記アンテナと前記第2セットの前記アンテナから受信した信号間の関係である第2の相互関係に少なくとも関する第2のフィードバック情報を算出する段階と、
前記第1のフィードバック情報を第1の時間/周波数粒度で送信し、前記第2のフィードバック情報を、前記第1の時間/周波数粒度より細かい第2の時間/周波数粒度で送信する段階と
を備える方法。 - 前記第1のフィードバック情報および前記第2のフィードバック情報を算出する段階は、前記第1の相互関係に基づく第1の行列と前記第2の相互関係に基づく第2の行列とのクロネッカー積として表されるフィードバック行列を算出する段階を有する請求項1に記載の方法。
- 第1のフィードバック情報と前記第2のフィードバック情報を送信する段階は、前記第1の行列を前記第1の時間/周波数粒度で報告し、前記第2の行列を前記第2の時間/周波数粒度で報告する段階を有する請求項2に記載の方法。
- 前記フィードバック行列を算出する段階は、空間相関関数(SCF)行列の要素を推定する段階を有する請求項2に記載の方法。
- 前記フィードバック行列を算出する段階は、前記MIMO信号の後続の送信に適用されるプリコーディング行列を選択する段階を有する請求項2に記載の方法。
- 前記プリコーディング行列を選択する段階は、所定セットのプリコーディング行列から前記プリコーディング行列を選択する段階を有し、前記所定セットのプリコーディング行列のうち少なくともいくつかは、それぞれ、前記第1の相互関係に基づく第1の行列と前記第2の相互関係に基づく第2の行列とのクロネッカー積として表される請求項5に記載の方法。
- 前記第1のフィードバック情報および前記第2のフィードバック情報を前記第1の時間/周波数粒度および前記第2の時間/周波数粒度で送信する段階は、前記第2のフィードバック情報だけを送信し、前記第1のフィードバック情報を送信しない段階を有する請求項1または2に記載の方法。
- 前記第2のフィードバック情報を算出する段階は、前記第1セットのアンテナのうち1つ以上と、前記第2セットのアンテナのうち1つ以上とに基づく少なくとも1つの追加的フィードバック・パラメーターに基づいて前記第2のフィードバック情報を算出する段階を有する請求項1または2に記載の方法。
- 前記第1のフィードバック情報を算出する段階は、第1の時間間隔および第1の周波数帯域で前記第1のフィードバック情報を算出する段階を有し、
前記第2のフィードバック情報を算出する段階は、前記第1の時間間隔より短い第2の時間間隔および前記第1の周波数帯域より狭い第2の周波数帯域で前記第2のフィードバック情報を算出する段階を有する請求項1または2に記載の方法。 - 第1の偏波性を有する第1セットのアンテナと、前記第1の偏波性と直交する第2の偏波性を有する第2セットのアンテナとを有するアンテナアレイから複数の通信チャネルを介して多重入出力(MIMO)信号を受信する受信機と、
前記第1セットまたは前記第2セット内のアンテナに対応する通信チャネル間の関係、または、前記第1セットまたは前記第2セット内の前記アンテナから受信した信号間の関係である第1の相互関係に関する第1のフィードバック情報を算出し、前記第1セットのアンテナと前記第2セットのアンテナに対応する通信チャネル間の関係、または、前記第1セットの前記アンテナと前記第2セットの前記アンテナから受信した信号間の関係である第2の相互関係に少なくとも関する第2のフィードバック情報を算出するプロセッサーと、
前記第1のフィードバック情報を第1の時間/周波数粒度で送信し、前記第2のフィードバック情報を前記第1の時間/周波数粒度より細かい第2の時間/周波数粒度で送信する送信機と
を備える装置。 - 前記プロセッサーは、前記第1の相互関係に基づく第1の行列と前記第2の相互関係に基づく第2の行列とのクロネッカー積として表されるフィードバック行列を算出することにより、前記第1のフィードバック情報および前記第2のフィードバック情報を算出する請求項10に記載の装置。
- 前記送信機は、前記第1の行列を前記第1の時間/周波数粒度で報告し、前記第2の行列を前記第2の時間/周波数粒度で報告する請求項11に記載の装置。
- 前記プロセッサーは、空間相関関数(SCF)行列の要素を推定することにより、前記フィードバック行列を算出する請求項11に記載の装置。
- 前記プロセッサーは、前記MIMO信号の後続の送信に適用されるプリコーディング行列を選択することにより、前記フィードバック行列を算出する請求項11に記載の装置。
- 前記プロセッサーは、所定セットのプリコーディング行列から前記プリコーディング行列を選択し、前記所定セットのプリコーディング行列のうち少なくともいくつかは、それぞれ、前記第1の相互関係の基づく第1の行列と前記第2の相互関係に基づく第2の行列とのクロネッカー積として表される請求項14に記載の装置。
- 前記送信機は、前記第2のフィードバック情報だけを送信し、前記第1のフィードバック情報を送信しない請求項10または11に記載の装置。
- 前記プロセッサーは、前記第1セットのアンテナのうち1つ以上と前記第2セットのアンテナのうち1つ以上とに基づく少なくとも1つの追加的フィードバック・パラメーターに基づいて前記第2のフィードバック情報を算出する請求項10または11に記載の装置。
- 請求項10に記載の装置を備える移動体通信端末。
- 請求項10に記載の装置を備える移動体通信端末において信号を処理するチップセット。
- 第1の偏波性を有する第1セットのアンテナと、前記第1の偏波性に直交する第2の偏波性を有する第2セットのアンテナとを有するアンテナアレイと、
前記アンテナアレイを使用して、複数の通信チャネルを介して多重入出力(MIMO)信号を送信する送信機と、
前記第1セットまたは前記第2セット内のアンテナに対応する通信チャネル間の関係、または、前記第1セットまたは前記第2セット内の前記アンテナから受信した信号間の関係である第1の相互関係に関する第1のフィードバック情報を第1の時間/周波数粒度で受信し、前記第1セットのアンテナと前記第2セットのアンテナに対応する通信チャネル間の関係、または、前記第1セットの前記アンテナと前記第2セットの前記アンテナから受信した信号間の関係である第2の相互関係に少なくとも関する第2のフィードバック情報を、前記第1の時間/周波数粒度より細かい第2の時間/周波数粒度で受信する受信機と、
前記第1の時間/周波数粒度および前記第2の時間/周波数粒度でそれぞれ受信された前記第1のフィードバック情報および前記第2のフィードバック情報を組み合わせ、組み合わせた前記第1のフィードバック情報および前記第2のフィードバック情報に基づいて前記MIMO信号の送信を調整するプロセッサーと
を備える装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28765209P | 2009-12-17 | 2009-12-17 | |
US61/287,652 | 2009-12-17 | ||
US29400010P | 2010-01-11 | 2010-01-11 | |
US61/294,000 | 2010-01-11 | ||
PCT/IB2010/055763 WO2011073876A2 (en) | 2009-12-17 | 2010-12-12 | Mimo feedback schemes for cross-polarized antennas |
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JP2013514703A JP2013514703A (ja) | 2013-04-25 |
JP5637486B2 true JP5637486B2 (ja) | 2014-12-10 |
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JP2012543960A Active JP5637486B2 (ja) | 2009-12-17 | 2010-12-12 | 交差偏波アンテナ用のmimoフィードバックスキーム |
Country Status (5)
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US (1) | US8761289B2 (ja) |
EP (1) | EP2514181B1 (ja) |
JP (1) | JP5637486B2 (ja) |
CN (1) | CN102783120B (ja) |
WO (1) | WO2011073876A2 (ja) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101673497B1 (ko) | 2009-01-05 | 2016-11-07 | 마벨 월드 트레이드 리미티드 | Mimo 통신 시스템을 위한 프리코딩 코드북들 |
US8385441B2 (en) | 2009-01-06 | 2013-02-26 | Marvell World Trade Ltd. | Efficient MIMO transmission schemes |
US8238483B2 (en) | 2009-02-27 | 2012-08-07 | Marvell World Trade Ltd. | Signaling of dedicated reference signal (DRS) precoding granularity |
EP2499862B1 (en) | 2009-11-09 | 2018-09-05 | Marvell World Trade Ltd. | Asymmetrical feedback for coordinated transmission systems |
CN102870362B (zh) | 2010-01-08 | 2014-07-30 | 华为技术有限公司 | 信道状态信息上报方法及设备 |
KR101819078B1 (ko) * | 2010-01-12 | 2018-01-16 | 지티이 코포레이션 | 크로네커 곱에 기반한 공간적 채널 상태 정보 피드백을 위한 방법 및 시스템 |
US9198190B2 (en) * | 2010-01-27 | 2015-11-24 | Telefonaktiebolaget L M Ericsson (Publ) | Closed loop precoding weight estimation |
JP5258002B2 (ja) | 2010-02-10 | 2013-08-07 | マーベル ワールド トレード リミテッド | Mimo通信システムにおける装置、移動通信端末、チップセット、およびその方法 |
KR101615927B1 (ko) * | 2010-06-22 | 2016-05-12 | 삼성전자주식회사 | 피드백 손실을 고려하는 다중 사용자 mimo 통신 시스템 |
US8615052B2 (en) * | 2010-10-06 | 2013-12-24 | Marvell World Trade Ltd. | Enhanced channel feedback for multi-user MIMO |
JP2012100254A (ja) | 2010-10-06 | 2012-05-24 | Marvell World Trade Ltd | Pucchフィードバックのためのコードブックサブサンプリング |
CN102594419B (zh) * | 2011-01-04 | 2015-03-04 | 上海贝尔股份有限公司 | 用于交叉极化天线阵列的预编码方法和预编码器 |
US9048970B1 (en) | 2011-01-14 | 2015-06-02 | Marvell International Ltd. | Feedback for cooperative multipoint transmission systems |
US8861391B1 (en) | 2011-03-02 | 2014-10-14 | Marvell International Ltd. | Channel feedback for TDM scheduling in heterogeneous networks having multiple cell classes |
EP2692068B1 (en) | 2011-03-31 | 2019-06-19 | Marvell World Trade Ltd. | Channel feedback for cooperative multipoint transmission |
US20130115886A1 (en) * | 2011-11-04 | 2013-05-09 | Samsung Electronics Co., Ltd. | Apparatus and method for polarization alignment in a wireless network |
WO2013068916A1 (en) * | 2011-11-07 | 2013-05-16 | Marvell World Trade Ltd. | Codebook sub-sampling for frequency-selective precoding feedback |
US9020058B2 (en) | 2011-11-07 | 2015-04-28 | Marvell World Trade Ltd. | Precoding feedback for cross-polarized antennas based on signal-component magnitude difference |
US9031597B2 (en) | 2011-11-10 | 2015-05-12 | Marvell World Trade Ltd. | Differential CQI encoding for cooperative multipoint feedback |
FR2983666B1 (fr) * | 2011-12-01 | 2014-01-03 | Cassidian Sas | Procede d'estimation d'un canal radioelectrique |
US9220087B1 (en) | 2011-12-08 | 2015-12-22 | Marvell International Ltd. | Dynamic point selection with combined PUCCH/PUSCH feedback |
US9590709B2 (en) | 2011-12-23 | 2017-03-07 | Nokia Solutions And Networks Oy | Methods, apparatuses, and computer-readable storage media for performing multidimensional beamforming |
US8902842B1 (en) | 2012-01-11 | 2014-12-02 | Marvell International Ltd | Control signaling and resource mapping for coordinated transmission |
KR102109655B1 (ko) | 2012-02-23 | 2020-05-12 | 한국전자통신연구원 | 대규모 안테나 시스템에서의 다중 입력 다중 출력 통신 방법 |
EP2832011A1 (en) * | 2012-03-30 | 2015-02-04 | Nokia Solutions and Networks Oy | Feedback methodology for per-user elevation mimo |
KR20150009980A (ko) | 2012-04-27 | 2015-01-27 | 마벨 월드 트레이드 리미티드 | 기지국들과 모바일 통신 단말기들 사이의 CoMP 통신 |
US9520914B2 (en) * | 2012-06-25 | 2016-12-13 | Samsung Electronics Co., Ltd. | Full-duplex wireless communication system using polarization |
US8983002B2 (en) | 2012-10-02 | 2015-03-17 | Broadcom Corporation | Systems and methods for establishing transmission format parameters between communication devices |
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 |
GB2509958B (en) * | 2013-01-18 | 2016-02-03 | Broadcom Corp | Methods, apparatus and computer programs for controlling feedbck about channel conditions |
KR101978776B1 (ko) | 2013-02-28 | 2019-05-16 | 삼성전자주식회사 | 다수의 안테나를 사용하는 이동통신 시스템에서 피드백 송수신 방법 및 장치 |
EP2974134A4 (en) * | 2013-03-15 | 2016-08-03 | Hewlett Packard Development Co | ENERGY-BASED NETWORK RESTRUCTURING |
JP2014204305A (ja) * | 2013-04-05 | 2014-10-27 | 株式会社Nttドコモ | 無線通信システム、無線基地局装置、およびユーザ装置 |
JP6199653B2 (ja) * | 2013-08-06 | 2017-09-20 | 株式会社Nttドコモ | 無線通信システムおよびアンテナ構成決定方法 |
US9312944B2 (en) * | 2013-12-26 | 2016-04-12 | Aruba Networks, Inc. | System, apparatus and method for integrated wireless link management for a multi-polarized antenna system |
WO2015120612A1 (en) * | 2014-02-14 | 2015-08-20 | Huawei Technologies Co., Ltd. | Base station, mobile station and method thereof |
EP3116280A4 (en) * | 2014-03-06 | 2017-11-15 | Alcatel Lucent | Method and device for quantifying channel state information |
CN103929280B (zh) * | 2014-03-31 | 2017-06-23 | 电信科学技术研究院 | 多级码本的生成方法和装置、以及码本反馈方法和装置 |
US10547370B2 (en) * | 2015-04-09 | 2020-01-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Efficient channel characteristics handling |
JP6583409B2 (ja) | 2015-06-23 | 2019-10-02 | 富士通株式会社 | 無線通信制御方法、無線通信システム、受信装置および送信装置 |
CN106341167B (zh) * | 2015-07-15 | 2019-09-03 | 上海诺基亚贝尔股份有限公司 | 一种在eNB扇区中进行小区分裂的方法与装置 |
CN112088497B (zh) * | 2018-05-09 | 2023-07-07 | 索尼集团公司 | 对mimo无线传输进行极化优化的方法和装置 |
US10673500B2 (en) | 2018-06-25 | 2020-06-02 | Qualcomm Incorporated | Hybrid closed-loop multiple-input multiple-output and transparent diversity schemes |
US10785695B1 (en) * | 2019-02-19 | 2020-09-22 | Sprint Spectrum L.P. | System and method for managing data throughput of wireless devices in a wireless network |
US10886991B2 (en) * | 2019-05-22 | 2021-01-05 | At&T Intellectual Property I, L.P. | Facilitating sparsity adaptive feedback in the delay doppler domain in advanced networks |
US11824637B2 (en) | 2019-05-22 | 2023-11-21 | At&T Intellectual Property I, L.P. | Generating wireless reference signals in a different domain for transmission |
US10979151B2 (en) | 2019-05-22 | 2021-04-13 | At&T Intellectual Property I, L.P. | Multidimensional grid sampling for radio frequency power feedback |
US11050530B2 (en) | 2019-06-27 | 2021-06-29 | At&T Intellectual Property I, L.P. | Generating wireless reference signals in a different domain for transmission with a collapsed time-frequency grid |
EP4005103A1 (en) | 2019-08-01 | 2022-06-01 | Huawei Technologies Co., Ltd. | Adaptive kronecker product mimo precoding for a multi-antenna network entity and a wireless communication device and corresponding methods |
CN111917671B (zh) * | 2020-08-07 | 2023-11-14 | 北京信息科技大学 | 用于无线通信的装置和方法 |
US11646506B2 (en) | 2020-12-30 | 2023-05-09 | Qualcomm Incorporated | Techniques for beam-specific phase adjustment in non-co-located dual-polarized antenna arrays |
Family Cites Families (202)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5231629A (en) | 1990-10-01 | 1993-07-27 | Motorola, Inc. | Full-duplex communication system |
US5263160A (en) | 1991-01-31 | 1993-11-16 | Digital Equipment Corporation | Augmented doubly-linked list search and management method for a system having data stored in a list of data elements in memory |
US5349567A (en) | 1993-08-24 | 1994-09-20 | Hughes Aircraft Company | Least mean square (LMS) normalizer for active sonar |
EP0931388B1 (en) | 1996-08-29 | 2003-11-05 | Cisco Technology, Inc. | Spatio-temporal processing for communication |
US5940439A (en) | 1997-02-26 | 1999-08-17 | Motorola Inc. | Method and apparatus for adaptive rate communication system |
US6354733B2 (en) | 1999-01-15 | 2002-03-12 | Ametex, Inc. | System and method for determining combustion temperature using infrared emissions |
US6512750B1 (en) | 1999-04-16 | 2003-01-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Power setting in CDMA systems employing discontinuous transmission |
US6757319B1 (en) | 1999-11-29 | 2004-06-29 | Golden Bridge Technology Inc. | Closed loop power control for common downlink transport channels |
US6865237B1 (en) | 2000-02-22 | 2005-03-08 | Nokia Mobile Phones Limited | Method and system for digital signal transmission |
US6466904B1 (en) | 2000-07-25 | 2002-10-15 | Conexant Systems, Inc. | Method and apparatus using harmonic modeling in an improved speech decoder |
US6785341B2 (en) * | 2001-05-11 | 2004-08-31 | Qualcomm Incorporated | Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information |
JP4084947B2 (ja) * | 2002-02-15 | 2008-04-30 | ソフトバンクテレコム株式会社 | Cdma基地局装置 |
WO2003075196A2 (en) | 2002-03-05 | 2003-09-12 | Bae Systems Plc | Expertise modelling |
US7502432B2 (en) | 2003-07-09 | 2009-03-10 | Broadcom Corporation | Weight generation method for multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining based upon minimum bit error rate |
US7336746B2 (en) | 2004-12-09 | 2008-02-26 | Qualcomm Incorporated | Data transmission with spatial spreading in a MIMO communication system |
SE0400370D0 (sv) | 2004-02-13 | 2004-02-13 | Ericsson Telefon Ab L M | Adaptive MIMO architecture |
US7346115B2 (en) * | 2004-04-22 | 2008-03-18 | Qualcomm Incorporated | Iterative eigenvector computation for a MIMO communication system |
US20050250544A1 (en) | 2004-05-07 | 2005-11-10 | Stephen Grant | Base station, mobile terminal device and method for implementing a selective-per-antenna-rate-control (S-PARC) technique in a wireless communications network |
US8085831B2 (en) | 2004-05-17 | 2011-12-27 | Qualcomm Incorporated | Interference control via selective blanking/attenuation of interfering transmissions |
KR100682330B1 (ko) | 2004-06-14 | 2007-02-15 | 삼성전자주식회사 | 다중 송수신 안테나를 사용하는 이동통신시스템에서송신모드를 제어하기 위한 장치 및 방법 |
WO2005125044A1 (en) | 2004-06-22 | 2005-12-29 | Nortel Networks Limited | Closed loop mimo systems and methods |
ATE442022T1 (de) | 2004-07-13 | 2009-09-15 | Alcatel Lucent | Verfahren zur endgeräteunterstützen interferenzkontrolle in einem mehrträger- mobilkommunikationssystem |
US7978649B2 (en) | 2004-07-15 | 2011-07-12 | Qualcomm, Incorporated | Unified MIMO transmission and reception |
KR101151130B1 (ko) | 2004-08-17 | 2012-06-04 | 삼성전자주식회사 | 완전 다이버시티 완전 데이터 레이트 시공간 블록 부호를 이용한 데이터 송수신 방법 및 장치 |
KR20060038812A (ko) | 2004-11-01 | 2006-05-04 | 엘지전자 주식회사 | 다중입출력 시스템의 선행 코딩 행렬 정보 전송 방법 및이를 이용한 신호 전송 방법 |
KR20060043035A (ko) | 2004-11-02 | 2006-05-15 | 삼성전자주식회사 | 개선된 다중입출력 통신 시스템 및 방법 |
PT1829262T (pt) | 2004-11-16 | 2018-05-15 | Qualcomm Inc | Controlo de velocidade em ciclo fechado para um sistema de comunicações mimo |
US7428268B2 (en) | 2004-12-07 | 2008-09-23 | Adaptix, Inc. | Cooperative MIMO in multicell wireless networks |
CN101860968B (zh) | 2005-01-11 | 2012-04-04 | 三星电子株式会社 | 在无线通信系统中指示数据突发分配的方法和系统 |
JP4832087B2 (ja) | 2005-01-26 | 2011-12-07 | パナソニック株式会社 | 無線基地局装置及び端末装置 |
KR100922958B1 (ko) | 2005-03-14 | 2009-10-22 | 삼성전자주식회사 | 다중 사용자 다이버시티를 지원하는 다중 안테나 이동통신시스템에서 사용자 할당장치 및 방법 |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
WO2006117665A1 (en) | 2005-05-04 | 2006-11-09 | Nortel Networks Limited | Wireless feedback system and method |
DE602005027822D1 (de) | 2005-05-25 | 2011-06-16 | Mitsubishi Electric Corp | Kodierungsmatrix in einem MIMO System |
US7428269B2 (en) | 2005-06-01 | 2008-09-23 | Qualcomm Incorporated | CQI and rank prediction for list sphere decoding and ML MIMO receivers |
CA2623227C (en) | 2005-09-20 | 2014-08-19 | Michael Rothschild | Real time peer to peer network |
US20070076810A1 (en) | 2005-09-30 | 2007-04-05 | Herrera Alfonso R | System and method for selecting transmission format using effective SNR |
US20070165738A1 (en) | 2005-10-27 | 2007-07-19 | Barriac Gwendolyn D | Method and apparatus for pre-coding for a mimo system |
US20070099578A1 (en) * | 2005-10-28 | 2007-05-03 | Kathryn Adeney | Pre-coded diversity forward channel transmission system for wireless communications systems supporting multiple MIMO transmission modes |
KR20070108304A (ko) | 2005-10-31 | 2007-11-09 | 삼성전자주식회사 | 다중 송수신 안테나 시스템에서의 채널 품질 정보 송수신방법 및 장치 |
WO2007074376A2 (en) | 2005-12-27 | 2007-07-05 | Nokia Corporation | Priority based transmission based on channel quality using power sequencing |
US9071435B2 (en) | 2005-12-29 | 2015-06-30 | Celeno Communications Ltd. | System and method for tuning transmission parameters in multi-user multiple-input-multiple-output systems with aged and noisy channel estimation |
US20070153731A1 (en) | 2006-01-05 | 2007-07-05 | Nadav Fine | Varying size coefficients in a wireless local area network return channel |
KR101012553B1 (ko) | 2006-02-02 | 2011-02-07 | 후지쯔 가부시끼가이샤 | 무선 전송 방법과 무선 송신기 및 무선 수신기 |
US8059609B2 (en) * | 2006-03-20 | 2011-11-15 | Qualcomm Incorporated | Resource allocation to support single-user and multi-user MIMO transmission |
US8914015B2 (en) | 2006-03-20 | 2014-12-16 | Qualcomm Incorporated | Grouping of users for MIMO transmission in a wireless communication system |
US10044532B2 (en) | 2006-03-20 | 2018-08-07 | Texas Instruments Incorporated | Pre-coder selection based on resource block grouping |
US7804800B2 (en) | 2006-03-31 | 2010-09-28 | Intel Corporation | Efficient training schemes for MIMO based wireless networks |
US7751368B2 (en) | 2006-05-01 | 2010-07-06 | Intel Corporation | Providing CQI feedback to a transmitter station in a closed-loop MIMO system |
TWI449389B (zh) | 2006-05-09 | 2014-08-11 | Interdigital Tech Corp | 通用陸地無線存取可變反饋 |
US8626177B2 (en) | 2006-05-17 | 2014-01-07 | Lg Electronics Inc. | Method of implementing superposition coding for a forward link in a wireless communication system |
US20150030058A9 (en) * | 2006-05-17 | 2015-01-29 | Texas Instruments Inc. | Cqi feedback for mimo deployments |
TWI343200B (en) | 2006-05-26 | 2011-06-01 | Lg Electronics Inc | Method and apparatus for signal generation using phase-shift based pre-coding |
ATE453969T1 (de) | 2006-06-20 | 2010-01-15 | Huawei Tech Co Ltd | Verfahren zum reduzieren des rückmeldeinformations-overhead in vorcodiertren mimo-ofdm-systemen |
KR101295576B1 (ko) | 2006-06-22 | 2013-08-09 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩을 이용한 데이터 전송 방법 및이를 구현하는 송신 장치 |
US7593729B2 (en) | 2006-07-13 | 2009-09-22 | Designart Networks Ltd | Point to point link and communication method |
US7941186B2 (en) | 2006-07-25 | 2011-05-10 | Samsung Electronics Co., Ltd. | Apparatus and method for scheduling multiuser/single user in multiple input multiple output (MIMO) system |
US7450673B2 (en) | 2006-08-10 | 2008-11-11 | Cisco Technology, Inc. | System and method for improving the robustness of spatial division multiple access via nulling |
WO2008021396A2 (en) | 2006-08-17 | 2008-02-21 | Interdigital Technology Corporation | Method and apparatus for providing efficient precoding feedback in a mimo wireless communication system |
JP4904994B2 (ja) | 2006-08-25 | 2012-03-28 | 富士通東芝モバイルコミュニケーションズ株式会社 | 移動無線端末装置 |
KR20080022033A (ko) * | 2006-09-05 | 2008-03-10 | 엘지전자 주식회사 | 프리코딩 정보 피드백 방법 및 프리코딩 방법 |
KR20080026019A (ko) | 2006-09-19 | 2008-03-24 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩 방법 및 이를 지원하는 송수신기 |
US8102931B2 (en) | 2006-09-29 | 2012-01-24 | Apple Inc. | Method and device for operating a precoded MIMO system |
US7702029B2 (en) | 2006-10-02 | 2010-04-20 | Freescale Semiconductor, Inc. | MIMO precoding enabling spatial multiplexing, power allocation and adaptive modulation and coding |
US8503560B2 (en) | 2006-10-02 | 2013-08-06 | Samsung Electronics Co., Ltd | System and method for performing precoding in a wireless communication system |
US20080080635A1 (en) | 2006-10-02 | 2008-04-03 | Nokia Corporation | Advanced feedback signaling for multi-antenna transmission systems |
CN101166052B (zh) | 2006-10-19 | 2012-05-23 | 株式会社Ntt都科摩 | 一种多输入多输出系统的预编码方法及使用该方法的设备 |
US20080094281A1 (en) | 2006-10-24 | 2008-04-24 | Nokia Corporation | Advanced codebook for multi-antenna transmission systems |
US7920511B2 (en) | 2006-10-31 | 2011-04-05 | Samsung Electronics Co., Ltd. | Method and system for managing channels in a wireless communication system |
JP2008118411A (ja) | 2006-11-06 | 2008-05-22 | Nec Corp | 無線受信装置 |
US8305948B2 (en) | 2006-11-15 | 2012-11-06 | Qualcomm Incorporated | Transmissions to multiple stations in wireless communication systems |
KR100961745B1 (ko) | 2006-11-27 | 2010-06-07 | 삼성전자주식회사 | 릴레이 방식을 사용하는 무선통신시스템에서 채널정보 통신장치 및 방법 |
US20080130778A1 (en) | 2006-12-04 | 2008-06-05 | Samsung Electronics Co., Ltd. | System and method for wireless communication of uncompressed high definition video data using a transfer matrix for beamforming estimation |
JP2008147792A (ja) | 2006-12-06 | 2008-06-26 | Mitsubishi Electric Corp | 無線通信装置、制御装置および無線通信システム |
US8073069B2 (en) | 2007-01-05 | 2011-12-06 | Apple Inc. | Multi-user MIMO-SDMA for finite rate feedback systems |
US8780771B2 (en) | 2007-02-06 | 2014-07-15 | Qualcomm Incorporated | Cyclic delay diversity and precoding for wireless communication |
KR20080073624A (ko) * | 2007-02-06 | 2008-08-11 | 삼성전자주식회사 | 다중 편파 다중 입출력 시스템을 위한 코드북 생성 방법 및그 장치 |
US20080192852A1 (en) | 2007-02-12 | 2008-08-14 | Mark Kent | Method and system for an alternating channel delta quantizer for 2x2 mimo pre-coders with finite rate channel state information feedback |
EP2899897B1 (en) | 2007-02-13 | 2017-07-26 | Telefonaktiebolaget LM Ericsson (publ) | Methods and systems for combined precoding and cyclic delay diversity |
KR100951089B1 (ko) | 2007-02-15 | 2010-04-05 | 삼성전자주식회사 | 무선통신 시스템에서 시간 분할 복신 및 주파수 분할복신을 선택적으로 지원하기 위한 장치 |
FI20075142A0 (fi) | 2007-02-26 | 2007-02-26 | Nokia Corp | Monipistelähetys |
US7809074B2 (en) | 2007-03-16 | 2010-10-05 | Freescale Semiconductor, Inc. | Generalized reference signaling scheme for multi-user, multiple input, multiple output (MU-MIMO) using arbitrarily precoded reference signals |
JP4739259B2 (ja) | 2007-03-19 | 2011-08-03 | 株式会社日立製作所 | 無線通信方法 |
US8411732B2 (en) | 2007-03-21 | 2013-04-02 | Qualcomm Incorporated | Fast square root algorithm for MIMO equalization |
EP2137917A2 (en) | 2007-03-21 | 2009-12-30 | Interdigital Technology Corporation | Mimo wireless communication method and apparatus for transmitting and decoding resource block structures based on a dedicated reference signal mode |
CN101669299B (zh) | 2007-03-22 | 2014-11-12 | 马维尔国际贸易有限公司 | 多入多出系统的可变码本 |
US8787469B2 (en) | 2007-04-04 | 2014-07-22 | Samsung Electronics Co., Ltd. | Method for codebook design and beamforming vector selection in per-user unitary rate control (PU2RC) system |
EP3249869B1 (en) | 2007-04-30 | 2019-05-15 | Telefonaktiebolaget LM Ericsson (publ) | Method and arrangement for adapting a multi-antenna transmission |
US7965689B2 (en) | 2007-05-14 | 2011-06-21 | Motorola Mobility, Inc. | Reference sequence construction for fast cell search |
US8259824B2 (en) | 2007-05-23 | 2012-09-04 | Texas Instruments Incorporated | Nested precoding codebook structures for MIMO systems |
US7649831B2 (en) | 2007-05-30 | 2010-01-19 | Samsung Electronics Co., Ltd. | Multi-user MIMO feedback and transmission in a wireless communication system |
US8179775B2 (en) | 2007-08-14 | 2012-05-15 | Texas Instruments Incorporated | Precoding matrix feedback processes, circuits and systems |
KR100938756B1 (ko) | 2007-07-06 | 2010-01-26 | 엘지전자 주식회사 | 무선통신 시스템에서 셀 탐색 과정을 수행하는 방법 |
KR100921769B1 (ko) | 2007-07-12 | 2009-10-15 | 한국전자통신연구원 | 하향링크 프레임 생성 방법 및 셀 탐색 방법 |
JP5277246B2 (ja) | 2007-07-16 | 2013-08-28 | ノーテル・ネットワークス・リミテッド | 無線ネットワークでの空間分割多重アクセスの提供 |
KR101478362B1 (ko) * | 2007-08-10 | 2015-01-28 | 엘지전자 주식회사 | 다중안테나 시스템에서 귀환데이터 전송방법 |
US8798183B2 (en) | 2007-08-13 | 2014-08-05 | Qualcomm Incorporated | Feedback and rate adaptation for MIMO transmission in a time division duplexed (TDD) communication system |
US8989285B2 (en) * | 2007-09-26 | 2015-03-24 | Samsung Electronics Co., Ltd. | Efficient MIMO precoding feedback scheme |
US8320486B2 (en) | 2007-09-28 | 2012-11-27 | Apple Inc. | Retransmission method for HARQ in MIMO systems |
US8553624B2 (en) | 2007-10-10 | 2013-10-08 | Samsung Electronics Co., Ltd. | Asynchronous hybrid ARQ process indication in a MIMO wireless communication system |
US20090110114A1 (en) | 2007-10-26 | 2009-04-30 | Eko Nugroho Onggosanusi | Open-Loop MIMO Scheme and Signaling Support for Wireless Networks |
US20090122857A1 (en) | 2007-11-09 | 2009-05-14 | Interdigital Patent Holdings, Inc. | Method and apparatus for performing rank overriding in long term evolution networks |
EP2237460A4 (en) | 2007-12-25 | 2014-05-28 | Panasonic Corp | Radio communication device, radio communication system and radio communication method |
KR101430470B1 (ko) | 2008-01-04 | 2014-08-19 | 엘지전자 주식회사 | Harq 방식을 이용하는 다중 안테나 시스템에서 신호재전송 방법 |
US9130612B2 (en) | 2008-01-07 | 2015-09-08 | Qualcomm Incorporated | Unified uplink control signal formats |
GB2456217B (en) * | 2008-01-09 | 2013-01-02 | Icera Inc | System and method of wireless communication |
RU2452129C2 (ru) * | 2008-01-14 | 2012-05-27 | Телефонактиеболагет Лм Эрикссон (Пабл) | Разомкнутый прекодирующий цикл в mimo-связи |
EP2262344B1 (en) | 2008-03-19 | 2018-05-23 | Huawei Technologies Co., Ltd. | Mobile station device, base station device, communication method, and communication system |
KR101481584B1 (ko) | 2008-06-24 | 2015-01-13 | 엘지전자 주식회사 | 전송 블록-코드워드 매핑 관계 규정 방법 및 이를 이용한 하향링크 신호 전송 방법 |
CN104601504B (zh) | 2008-07-01 | 2018-12-04 | 爱立信电话股份有限公司 | 在mimo电信系统中使用预编码矩阵的方法和设备 |
GB2464447B (en) | 2008-07-01 | 2011-02-23 | Toshiba Res Europ Ltd | Wireless communications apparatus |
US8098750B2 (en) | 2008-07-10 | 2012-01-17 | Infineon Technologies Ag | Method and device for transmitting a plurality of data symbols |
KR101056614B1 (ko) | 2008-07-30 | 2011-08-11 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
US8204151B2 (en) * | 2008-08-06 | 2012-06-19 | Samsung Electronics Co., Ltd. | Methods and apparatus to generate multiple antennas transmit precoding codebook |
US9294160B2 (en) | 2008-08-11 | 2016-03-22 | Qualcomm Incorporated | Method and apparatus for supporting distributed MIMO in a wireless communication system |
US8208936B2 (en) | 2008-09-04 | 2012-06-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatus for improving cell-edge data throughput in a wireless communications system |
US8555145B2 (en) | 2008-09-04 | 2013-10-08 | Apple Inc. | Systems and methods of encoding using a reduced codebook with adaptive resetting |
US8170592B2 (en) | 2008-09-12 | 2012-05-01 | Broadcom Corporation | Method and system for frame timing acquisition in evolved universal terrestrial radio access (EUTRA) |
US20100067512A1 (en) | 2008-09-17 | 2010-03-18 | Samsung Electronics Co., Ltd. | Uplink transmit diversity schemes with 4 antenna ports |
US8948704B2 (en) | 2008-10-22 | 2015-02-03 | Qualcomm Incorporated | Scope of channel quality reporting region in a multi-carrier system |
US8934395B2 (en) | 2008-10-24 | 2015-01-13 | Qualcomm Incorporated | Method and apparatus for uplink network MIMO in a wireless communication system |
EP2182754B1 (en) | 2008-10-30 | 2014-01-15 | Telefonaktiebolaget LM Ericsson (publ) | Method and receiver for estimating and reporting a channel quality measure |
EP2351246B1 (en) * | 2008-11-03 | 2017-02-22 | Telefonaktiebolaget LM Ericsson (publ) | Method for transmission of reference signals and determination of precoding matrices for multi-antenna transmission |
US8780829B2 (en) | 2008-12-11 | 2014-07-15 | Lg Electronics Inc. | Method for transmitting and receiving a comp reference signal in a multi-cell environment |
US8638871B2 (en) * | 2008-12-22 | 2014-01-28 | Motorola Mobility Llc | System and method for combination multiple input, multiple output (MIMO) and beamforming |
KR101673497B1 (ko) | 2009-01-05 | 2016-11-07 | 마벨 월드 트레이드 리미티드 | Mimo 통신 시스템을 위한 프리코딩 코드북들 |
US8385441B2 (en) | 2009-01-06 | 2013-02-26 | Marvell World Trade Ltd. | Efficient MIMO transmission schemes |
US8428177B2 (en) * | 2009-02-25 | 2013-04-23 | Samsung Electronics Co., Ltd. | Method and apparatus for multiple input multiple output (MIMO) transmit beamforming |
US8238483B2 (en) | 2009-02-27 | 2012-08-07 | Marvell World Trade Ltd. | Signaling of dedicated reference signal (DRS) precoding granularity |
KR101633326B1 (ko) | 2009-02-27 | 2016-06-24 | 엘지전자 주식회사 | 전송 방법 |
WO2010101431A2 (en) | 2009-03-04 | 2010-09-10 | Lg Electronics Inc. | Method for performing comp operation and transmitting feedback information in a wireless communication system |
ES2905351T3 (es) | 2009-03-17 | 2022-04-08 | Nokia Solutions & Networks Oy | Configuración de la transmisión de información de retroalimentación periódica en un canal compartido de enlace ascendente físico (PUSCH) |
WO2010105700A1 (en) | 2009-03-19 | 2010-09-23 | Telefonaktiebolaget L M Ericsson (Publ) | Mimo transceiver controlling a repeater according to performance parameters |
US20100238984A1 (en) | 2009-03-19 | 2010-09-23 | Motorola, Inc. | Spatial Information Feedback in Wireless Communication Systems |
CN102349313B (zh) | 2009-04-06 | 2014-05-28 | 马维尔国际贸易有限公司 | 用于多用户mimo通信系统的改进型反馈策略 |
US8325843B2 (en) * | 2009-04-08 | 2012-12-04 | Lg Electronics Inc. | MIMO codebook generation |
US20100260234A1 (en) | 2009-04-09 | 2010-10-14 | Motorola, Inc. | Closed-loop transmission feedback in wireless communication systems |
CN102396165B (zh) | 2009-04-15 | 2014-12-17 | Lg电子株式会社 | 发射参考信号的方法和设备 |
WO2010122432A1 (en) | 2009-04-21 | 2010-10-28 | Marvell World Trade Ltd | Multi-point opportunistic beamforming with selective beam attenuation |
US8917707B2 (en) | 2009-04-24 | 2014-12-23 | Samsung Electronics Co., Ltd. | Techniques for channel state information feedback in wireless communication system |
US8238277B2 (en) * | 2009-04-27 | 2012-08-07 | Mitsubishi Electric Research Laboratories, Inc. | Parametric compression of rank-1 analog feedback |
US8208434B2 (en) | 2009-04-28 | 2012-06-26 | Motorola Mobility, Inc. | Method of signaling particular types of resource elements in a wireless communication system |
WO2010126317A2 (en) | 2009-04-30 | 2010-11-04 | Lg Electronics Inc. | Method for setting precoder in open loop mimo system |
US9178658B2 (en) | 2009-05-06 | 2015-11-03 | Futurewei Technologies, Inc. | System and method for channel interleaver and layer mapping in a communications system |
KR101618283B1 (ko) | 2009-05-22 | 2016-05-04 | 삼성전자주식회사 | 통합 다중 포인트 통신을 위한 정보 피드백 방법 |
KR101751995B1 (ko) * | 2009-06-19 | 2017-06-28 | 엘지전자 주식회사 | 다중 안테나 시스템에서 공간 채널 공분산(spatial channelcovariance)를 이용하여 피드백 오버헤드를 최소화 하는 방법 |
CN101594208B (zh) * | 2009-06-24 | 2014-04-09 | 中兴通讯股份有限公司 | 一种配置预编码矩阵的方法 |
US8462647B2 (en) | 2009-07-28 | 2013-06-11 | Broadcom Corporation | Method and system for multiple frequency hypothesis testing with full synch acquisition in an E-UTRA/LTE UE receiver |
US9014138B2 (en) | 2009-08-07 | 2015-04-21 | Blackberry Limited | System and method for a virtual carrier for multi-carrier and coordinated multi-point network operation |
CN101631004B (zh) | 2009-08-10 | 2014-05-28 | 中兴通讯股份有限公司 | 一种预编码方法、系统及预编码码本的构造方法 |
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 |
US8923905B2 (en) | 2009-09-30 | 2014-12-30 | Qualcomm Incorporated | Scrambling sequence initialization for coordinated multi-point transmissions |
WO2011040751A2 (en) | 2009-09-30 | 2011-04-07 | Lg Electronics Inc. | Apparatus and method for transmitting uplink control information |
US9667378B2 (en) * | 2009-10-01 | 2017-05-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-granular feedback reporting and feedback processing for precoding in telecommunications |
US8873650B2 (en) * | 2009-10-12 | 2014-10-28 | Motorola Mobility Llc | Configurable spatial channel information feedback in wireless communication system |
US8447005B2 (en) | 2009-11-05 | 2013-05-21 | Telefonaktiebolaget L M Ericsson (Publ) | Frequency synchronization methods and apparatus |
EP2502456B1 (en) | 2009-11-19 | 2020-08-12 | InterDigital Patent Holdings, Inc. | Component carrier activation/deactivation in multi-carrier systems |
JP5314584B2 (ja) | 2009-12-09 | 2013-10-16 | 株式会社日立製作所 | セルラ無線通信システム、無線基地局装置及び無線端末装置 |
EP2333970B1 (en) | 2009-12-10 | 2012-07-18 | Telefonaktiebolaget L M Ericsson (publ) | Technique for determining a cell-identity |
EP2333982B1 (en) | 2009-12-10 | 2013-02-27 | Alcatel Lucent | A method for downlink communication by means of a downlink superimposed radio signal, a base station and a user terminal therefor |
CN102870362B (zh) | 2010-01-08 | 2014-07-30 | 华为技术有限公司 | 信道状态信息上报方法及设备 |
KR101819078B1 (ko) * | 2010-01-12 | 2018-01-16 | 지티이 코포레이션 | 크로네커 곱에 기반한 공간적 채널 상태 정보 피드백을 위한 방법 및 시스템 |
KR101754970B1 (ko) | 2010-01-12 | 2017-07-06 | 삼성전자주식회사 | 무선 통신 시스템의 채널 상태 측정 기준신호 처리 장치 및 방법 |
US20120329502A1 (en) | 2010-01-15 | 2012-12-27 | Frank Frederiksen | Feedback Signaling |
US8619542B2 (en) | 2010-01-15 | 2013-12-31 | Motorola Mobility Llc | Closed-loop feedback in wireless communications system |
US9148205B2 (en) | 2010-01-25 | 2015-09-29 | Qualcomm Incorporated | Feedback for supporting SU-MIMO and MU-MIMO operation in wireless communication |
US8614981B2 (en) | 2010-01-29 | 2013-12-24 | Qualcomm Incorporated | Reporting of channel information to support coordinated multi-point data transmission |
KR101567018B1 (ko) | 2010-02-09 | 2015-11-06 | 삼성전자주식회사 | 네트워크 백홀 환경 및 기지국 협력 수준 기반 mimo/dsm 동작 모드 결정 시스템 |
WO2011100467A2 (en) | 2010-02-10 | 2011-08-18 | Marvell World Trade Ltd. | Transmission protection for wireless communications |
KR101276855B1 (ko) * | 2010-03-08 | 2013-06-18 | 엘지전자 주식회사 | 프리코딩 행렬 정보 전송방법 및 사용자기기와, 프리코딩 행렬 구성방법 및 기지국 |
US8514836B2 (en) | 2010-03-16 | 2013-08-20 | Telefonaktiebolaget L M Ericsson (Publ) | Switching between open and closed loop multi-stream transmission |
EP2372940B1 (en) * | 2010-04-01 | 2020-09-16 | Alcatel Lucent | Method for scheduling users in a mobile or wireless communication system, corresponding mobile terminal and base station |
KR20110111855A (ko) | 2010-04-05 | 2011-10-12 | 주식회사 팬택 | 채널상태정보 피드백 장치와 그 방법, 기지국 |
US9042474B2 (en) | 2010-04-07 | 2015-05-26 | Alcatel Lucent | Method and apparatus for information feedback and precoding |
US20110250919A1 (en) | 2010-04-13 | 2011-10-13 | Qualcomm Incorporated | Cqi estimation in a wireless communication network |
US20110255483A1 (en) | 2010-04-16 | 2011-10-20 | Research In Motion Limited | Signaling of Precoding Granularity for LTE and LTE-A |
US8848817B2 (en) | 2010-04-30 | 2014-09-30 | Texas Instruments Incorporated | Transmission modes and signaling for uplink MIMO support or single TB dual-layer transmission in LTE uplink |
KR101843019B1 (ko) | 2010-04-30 | 2018-03-29 | 삼성전자주식회사 | 여러 리포팅 모드를 지원하는 다중 입출력 통신 시스템 |
US8509338B2 (en) * | 2010-05-05 | 2013-08-13 | Motorola Mobility Llc | Method and precoder information feedback in multi-antenna wireless communication systems |
EP2391081B1 (en) | 2010-05-25 | 2013-01-02 | Telefonaktiebolaget L M Ericsson (PUBL) | Technique for cell signature determination |
JP5654621B2 (ja) | 2010-06-14 | 2015-01-14 | シャープ株式会社 | アップリンク制御情報のためのユーザ機器、基地局装置、通信システム、および移動通信の方法 |
US8520576B2 (en) | 2010-08-04 | 2013-08-27 | Broadcom Corporation | Explicit feedback format within single user, multiple user, multiple access, and/or MIMO wireless communications |
EP2418901A3 (en) | 2010-08-09 | 2012-02-29 | Samsung Electronics Co., Ltd. | Transmission of harq control information from a user equipment for downlink carrier aggregation |
KR20130045921A (ko) | 2010-08-12 | 2013-05-06 | 노키아 지멘스 네트웍스 오와이 | 통신 네트워크에서 데이터를 교환하기 위한 방법들과 디바이스들 |
KR101450486B1 (ko) | 2010-08-13 | 2014-10-13 | 후지쯔 가부시끼가이샤 | 다운링크 제어 정보 전송 방법 및 장치, 다운링크 제어 정보 수신 방법 및 장치, 단말기, 기지국 및 통신 시스템 |
KR101806878B1 (ko) | 2010-08-16 | 2018-01-10 | 삼성전자주식회사 | 8 개의 전송 안테나들에 대한 코드북 및 그 코드북을 사용하는 통신 시스템 |
US9509391B2 (en) | 2010-09-08 | 2016-11-29 | Qualcomm Incorporated | Sounding feedback schemes for very high throughput wireless systems |
US9042841B2 (en) | 2010-09-17 | 2015-05-26 | Samsung Electronics Co., Ltd. | System and method for PUCCH subband feedback signaling in a wireless network |
WO2012044088A2 (ko) | 2010-09-29 | 2012-04-05 | 엘지전자 주식회사 | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 |
JP2012100254A (ja) | 2010-10-06 | 2012-05-24 | Marvell World Trade Ltd | Pucchフィードバックのためのコードブックサブサンプリング |
US8615052B2 (en) | 2010-10-06 | 2013-12-24 | Marvell World Trade Ltd. | Enhanced channel feedback for multi-user MIMO |
US8908600B2 (en) | 2010-10-26 | 2014-12-09 | Qualcomm Incorporated | Channel state information feedback frame format and feedback rules for very high throughput wireless systems |
US9130631B2 (en) | 2010-11-03 | 2015-09-08 | Qualcomm Incorporated | Beamforming feedback format |
EP2674007A1 (en) | 2011-02-11 | 2013-12-18 | Interdigital Patent Holdings, Inc. | Systems and methods for an enhanced control channel |
CA2827866C (en) | 2011-02-25 | 2016-07-12 | Blackberry Limited | Determining device in-range proximity |
WO2012119626A1 (en) | 2011-03-08 | 2012-09-13 | Panasonic Corporation | Propagation delay difference reporting for multiple component carriers |
US8750358B2 (en) | 2011-04-06 | 2014-06-10 | Nec Laboratories America, Inc. | Method for improving multiuser MIMO downlink transmissions |
US8902921B2 (en) | 2011-08-16 | 2014-12-02 | Mediatek Singapore Pte Ltd. | Methods for inter-user interference indication feedback and usage in MU-MIMO wireless systems |
US8923146B2 (en) | 2011-08-31 | 2014-12-30 | Nokia Corporation | Channel reservation procedure |
GB2496178B (en) | 2011-11-04 | 2013-10-09 | Renesas Mobile Corp | Processing system, method and computer program for multipoint communications |
GB2496198B (en) | 2011-11-07 | 2014-03-19 | Broadcom Corp | Apparatus, methods and computer programs for coordinated multipoint transmission |
US8964632B2 (en) | 2012-02-03 | 2015-02-24 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and arrangements for channel estimation |
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