JP2015511411A - 協調マルチポイント送信の参照信号設計 - Google Patents
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- 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
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- 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
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- 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
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- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
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Abstract
Description
Claims (20)
- 協調マルチポイント(CoMP)送信方式に従って動作して、複合参照信号(複合RS)をモバイル通信端末に同時に送信する1組の送信点を制御することと、
前記モバイル通信端末において前記1組の送信点から受信された前記複合RSに基づいて、前記モバイル通信端末において推定され、前記1組の送信点と前記モバイル通信端末との間の複合通信チャネルの応答を示すフィードバックを前記モバイル通信端末から受信することと、
前記受信されたフィードバックに基づいて、前記1組の送信点からの後続の送信を構成することと、
を含む、方法。 - 前記1組の送信点を制御することは、異なる地理的場所に位置する複数の送信点を制御することを含む、請求項1に記載の方法。
- 前記複合RSを送信するように前記1組の送信点を制御することは、時間−周波数リソース要素(RE)の単一のパターンにおいてそれぞれの参照信号を送信するように前記1組の送信点を制御することを含む、請求項1または2に記載の方法。
- 前記フィードバックを受信することは、好ましいプリコーディング行列の指示を受信することを含み、前記好ましいプリコーディング行列は、単一送信点チャネルに対して規定されたコードブックから前記モバイル通信端末によって選択される、請求項1から3のいずれか一項に記載の方法。
- 前記1組の送信点を制御することは、それぞれの異なるCoMP仮定に対応する、2つまたは3つ以上の複合RSを送信することを含み、各CoMP仮定は、それぞれのCoMPモードと、前記1組の送信点のそれぞれのサブセットとに対応する、請求項1から4のいずれか一項に記載の方法。
- 前記フィードバックを受信すること、及び前記後続の送信を構成することは、前記2つまたは3つ以上の複合RSに関連する前記フィードバックを受信すること、及び前記それぞれの異なるCoMP仮定に関連する前記受信されたフィードバックに基づいて、前記後続の送信を送信するためのCoMP仮定を選択することを含む、請求項5に記載の方法。
- 前記フィードバックを受信することは、第1の複合RSに関する、第1のデータサイズを有する第1のフィードバックを受信することと、第2の複合RSに関する、前記第1のデータサイズとは異なる第2のデータサイズを有する第2のフィードバックを受信することとを含む、請求項5または6に記載の方法。
- 前記2つまたは3つ以上の複合RSを送信することは、前記1組の送信点と前記モバイル通信端末との間で用いられる通信プロトコルの別々のサブフレームにおいて前記複合RSの各サブセットを送信することを含む、請求項5から7のいずれか一項に記載の方法。
- 前記2つまたは3つ以上の複合RSを送信することは、前記複合RSのうちの少なくとも1つを前記モバイル通信端末による干渉測定に割り当てることを含む、請求項5から8のいずれか一項に記載の方法。
- 前記フィードバックを受信することは、少なくとも2つのそれぞれの時間−周波数リソース要素(RE)に関する干渉推定値を受信することを含む、請求項9に記載の方法。
- 前記フィードバックを受信することは、前記モバイル通信端末によって前記フィードバックが推定された前記複合RSの部分的なサブセットの指示を受信することを含む、請求項5から10のいずれか一項に記載の方法。
- 前記指示を受信することは、前記複合RSの前記部分的なサブセットと、前記フィードバックに関連付けられる送信ランクとの合同で符号化された指示を受信することと、前記合同で符号化された指示から前記部分的なサブセットを抽出することとを含む、請求項11に記載の方法。
- 前記複合RSを送信することは、前記複合RSを含む時間−周波数リソース要素(RE)を規定するシグナリング情報を前記モバイル通信端末に送信することを含む、請求項1から12のいずれか一項に記載の方法。
- 協調マルチポイント(CoMP)送信方式に従って動作する1組の送信点と通信するインターフェースと、
前記1組の送信点を制御して、複合参照信号(複合RS)をモバイル通信端末に同時に送信し、前記モバイル通信端末から、前記モバイル通信端末において受信された前記複合RSに基づいて前記モバイル通信端末において推定され、前記1組の送信点と前記モバイル通信端末との間の複合通信チャネルの応答を示すフィードバックを受信し、前記受信されたフィードバックに基づいて前記1組の送信点からの後続の送信を構成する少なくとも1つのプロセッサと、
を備える、装置。 - 前記少なくとも1つのプロセッサは、前記1組の送信点を制御して、時間−周波数リソース要素(RE)の単一のパターンにおいてそれぞれの参照信号を送信する、請求項14に記載の装置。
- 前記少なくとも1つのプロセッサは、前記フィードバックにおいて好ましいプリコーディング行列の指示を受信し、前記好ましいプリコーディング行列は、単一送信点チャネルに対して規定されたコードブックから前記モバイル通信端末によって選択される、請求項14または15に記載の装置。
- 前記少なくとも1つのプロセッサは、それぞれの異なるCoMP仮定に対応する、2つまたは3つ以上の複合RSを前記モバイル通信端末に送信するよう前記1組の送信点を制御し、各CoMP仮定は、それぞれのCoMPモードと、前記1組の送信点のそれぞれのサブセットとに対応する、請求項14から16のいずれか一項に記載の装置。
- 前記少なくとも1つのプロセッサは、前記2つまたは3つ以上の複合RSに関連する前記フィードバックを受信し、前記それぞれの異なるCoMP仮定に関連する前記受信されたフィードバックに基づいて、前記後続の送信を送信するためのCoMP仮定を選択する、請求項17に記載の装置。
- 前記少なくとも1つのプロセッサは、前記複合RSのうちの少なくとも1つを前記モバイル通信端末による干渉測定に割り当てる、請求項17または18に記載の装置。
- 前記少なくとも1つのプロセッサは、前記複合RSを含む時間−周波数リソース要素(RE)を規定するシグナリング情報を前記モバイル通信端末に送信する、請求項14から19のいずれか一項に記載の装置。
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US201161578207P | 2011-12-20 | 2011-12-20 | |
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PCT/IB2012/057455 WO2013093786A2 (en) | 2011-12-20 | 2012-12-19 | Reference signal design for coordinated multipoint transmission |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015527839A (ja) * | 2012-08-03 | 2015-09-17 | アルカテル−ルーセント | 多地点協調送信モード |
JP2016534615A (ja) * | 2013-08-15 | 2016-11-04 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | Csi報告を処理するための方法及び無線ノード |
US9693279B2 (en) | 2012-01-20 | 2017-06-27 | Sony Corporation | Radio communications device and system, radio communications method and machine readable medium |
JP2017163567A (ja) * | 2017-04-14 | 2017-09-14 | アルカテル−ルーセント | 多地点協調送信モード |
JP2017184104A (ja) * | 2016-03-31 | 2017-10-05 | ソフトバンク株式会社 | 基地局及び移動通信システム |
US10939323B2 (en) | 2016-07-29 | 2021-03-02 | Huawei Technologies Co., Ltd. | CSI-RS transmission method and network device |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2326116B1 (en) * | 2009-11-20 | 2020-02-05 | Deutsche Telekom AG | Method and system related to quality of service in distributed wireless networks |
US9635624B2 (en) * | 2011-02-22 | 2017-04-25 | Qualcomm Incorporated | Discovery reference signal design for coordinated multipoint operations in heterogeneous networks |
KR101741059B1 (ko) * | 2011-06-27 | 2017-06-15 | 삼성전자 주식회사 | CoMP 단말의 스케줄링 방법 및 장치 |
KR101301302B1 (ko) | 2011-10-31 | 2013-08-28 | 주식회사 케이티 | 신호 처리 시스템 및 신호 처리 방법 |
EP2774298B1 (en) * | 2011-11-04 | 2021-04-28 | Apple Inc. | Timing synchronization for downlink (dl) transmissions in coordinated multipoint (comp) systems |
KR101301300B1 (ko) * | 2012-01-16 | 2013-08-28 | 주식회사 케이티 | 디지털 신호 처리 장치, 신호 처리 시스템 및 신호 처리 방법 |
JP6260799B2 (ja) | 2012-05-17 | 2018-01-17 | マーベル ワールド トレード リミテッド | 複数のチャネル特性の計算及び通知 |
US20130322278A1 (en) * | 2012-06-01 | 2013-12-05 | Samsung Electronics Co. Ltd. | Feedback method and apparatus for cooperative transmission of multiple cells |
WO2014171658A1 (ko) * | 2013-04-16 | 2014-10-23 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널 상태 정보 보고 방법 및 장치 |
WO2015016583A1 (ko) * | 2013-07-29 | 2015-02-05 | 엘지전자 주식회사 | 무선 통신 시스템에서 NIB CoMP 방법 및 장치 |
WO2015060880A1 (en) * | 2013-10-25 | 2015-04-30 | Hitachi, Ltd. | Design and signaling of codebooks for full dimensional mimo |
US9872242B2 (en) * | 2014-01-31 | 2018-01-16 | Qualcomm Incorporated | Joint transmission of CSI-RS for channel state feedback and transmission point selection |
US9888469B2 (en) | 2014-03-19 | 2018-02-06 | Nec Corporation | Signalling for coordinated multi-point transmission and reception (CoMP) |
WO2015152778A1 (en) | 2014-04-03 | 2015-10-08 | Telefonaktiebolaget L M Ericsson (Publ) | A method for estimating signal quality of transmission to a user equipment from a transmission point |
KR101955081B1 (ko) * | 2014-05-05 | 2019-04-05 | 텔레폰악티에볼라겟엘엠에릭슨(펍) | 기지국간 조정된 다지점 통신을 위한 이득 메트릭을 제공하는 방법 |
US20170093537A1 (en) * | 2014-05-05 | 2017-03-30 | Nokia Solutions And Networks Oy | A method, apparatus and system |
CN105101416A (zh) * | 2014-05-07 | 2015-11-25 | 中兴通讯股份有限公司 | 协作多点传输处理方法、装置和基站及其系统 |
US10224986B2 (en) | 2014-09-25 | 2019-03-05 | Nec Corporation | Signalling in coordinated multi-point transmission and reception (CoMP) |
WO2016048087A1 (ko) * | 2014-09-25 | 2016-03-31 | 엘지전자 주식회사 | 다중 안테나 무선 통신 시스템에서 참조 신호 전송 방법 및 이를 위한 장치 |
US10230507B2 (en) | 2014-09-25 | 2019-03-12 | Nec Corporation | Signalling in coordinated multi-point transmission and reception (CoMP) |
US9722935B2 (en) * | 2014-10-16 | 2017-08-01 | Huawei Technologies Canada Co., Ltd. | System and method for transmission management in software defined networks |
WO2017039166A1 (ko) * | 2015-09-01 | 2017-03-09 | 엘지전자 주식회사 | 채널 상태 보고 방법 및 이를 위한 장치 |
US10547366B2 (en) * | 2015-09-04 | 2020-01-28 | Samsung Electronics Co., Ltd. | Method and apparatus for CSI reporting on PUCCH |
US10523285B2 (en) | 2015-11-05 | 2019-12-31 | Intel Corporation | Full dimension multiple input multiple output communication systems and methods |
WO2017095000A1 (ko) * | 2015-12-03 | 2017-06-08 | 엘지전자 주식회사 | 무선 통신 시스템에서 단말이 기지국으로 채널 상태 정보를 보고하는 방법 및 이를 위한 장치 |
WO2017222257A1 (ko) * | 2016-06-23 | 2017-12-28 | 엘지전자 주식회사 | 다중 전송 기법이 적용된 무선통신시스템에서 신호를 수신하는 방법 및 장치 |
CN107689843A (zh) * | 2016-08-05 | 2018-02-13 | 北京信威通信技术股份有限公司 | 反馈方法及装置 |
CN108809556B (zh) | 2017-04-28 | 2023-11-17 | 华为技术有限公司 | 发送和接收参考信号的方法、网络设备和终端设备 |
MX2019013304A (es) * | 2017-05-14 | 2020-02-05 | Fg innovation co ltd | Metodos, dispositivos y sistemas para el refinamiento de haces durante el traspaso. |
GB201802574D0 (en) * | 2018-02-16 | 2018-04-04 | Samsung Electronics Co Ltd | Configuration of reference signals in a multi-transmission point telecommunication system |
WO2019229662A1 (en) | 2018-05-30 | 2019-12-05 | Marvell World Trade Ltd. | Distributed mimo based on access point collaboration |
US11140709B1 (en) | 2018-12-12 | 2021-10-05 | Nxp Usa, Inc. | Cooperative communication by access points in a WLAN |
CN114642042A (zh) * | 2019-08-08 | 2022-06-17 | 欧芬诺有限责任公司 | 随机接入程序中对多个传输和接收点的功率控制 |
US11818696B2 (en) | 2020-04-10 | 2023-11-14 | Qualcomm Incorporated | Techniques for user equipment (UE)-aided selective single frequency network (SFN) in a wireless communication system |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070147333A1 (en) * | 2005-12-22 | 2007-06-28 | Makhijani Mahesh A | System and method of transmission scheduling in time-division duplex communication system to minimize interference |
US8243850B2 (en) * | 2006-10-24 | 2012-08-14 | Samsung Electronics Co., Ltd. | Method and system for generating reference signals in a wireless communication system |
KR101369340B1 (ko) * | 2008-01-25 | 2014-03-26 | 삼성전자주식회사 | 다중안테나 통신시스템에서 피드백 채널을 할당하는 방법및 장치 |
US8923249B2 (en) | 2008-03-26 | 2014-12-30 | Qualcomm Incorporated | Method and apparatus for scrambling sequence generation in a communication system |
US8351367B2 (en) | 2008-04-24 | 2013-01-08 | Marvell World Trade Ltd. | Signaling of unused resources |
CN101867938B (zh) * | 2009-04-20 | 2013-01-02 | 电信科学技术研究院 | 一种用于多点协同传输的上行参考信号的配置方法和装置 |
US8917707B2 (en) * | 2009-04-24 | 2014-12-23 | Samsung Electronics Co., Ltd. | Techniques for channel state information feedback in wireless communication system |
US8208434B2 (en) * | 2009-04-28 | 2012-06-26 | Motorola Mobility, Inc. | Method of signaling particular types of resource elements in a wireless communication system |
US8797950B2 (en) | 2009-05-27 | 2014-08-05 | Texas Instruments Incorporated | Dual-layer beam forming in cellular networks |
US8830920B2 (en) * | 2009-06-17 | 2014-09-09 | Qualcomm Incorporated | Resource block reuse for coordinated multi-point transmission |
US8600308B2 (en) * | 2009-06-17 | 2013-12-03 | Futurewei Technologies, Inc. | Channel state information feedback for coordinated multiple points transmission |
US20110032838A1 (en) | 2009-08-04 | 2011-02-10 | Qualcomm Incorporated | Mitigation of crs misalignment in coordinated multipoint communications |
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 |
US8300587B2 (en) | 2009-08-17 | 2012-10-30 | Nokia Corporation | Initialization of reference signal scrambling |
KR101641388B1 (ko) | 2009-08-19 | 2016-07-21 | 엘지전자 주식회사 | 중계국의 참조신호 이용 방법 및 상기 방법을 이용하는 중계국 |
CN102013952A (zh) * | 2009-09-07 | 2011-04-13 | 夏普株式会社 | 信道状态信息获取方法、基站及用户设备 |
TWI628933B (zh) | 2009-10-01 | 2018-07-01 | 內數位專利控股公司 | 傳輸上鏈控制資訊的方法及系統 |
US8570963B2 (en) * | 2009-10-26 | 2013-10-29 | Qualcomm Incorporated | Coordinated multi-point (CoMP) network and protocol architecture |
US8325860B2 (en) * | 2009-11-09 | 2012-12-04 | Marvell World Trade Ltd. | Asymmetrical feedback for coordinated transmission systems |
US8917614B2 (en) | 2010-02-05 | 2014-12-23 | Qualcomm Incorporated | Resource allocation and transmission for coordinated multi-point transmission |
KR101402567B1 (ko) | 2010-03-19 | 2014-05-30 | 후지쯔 가부시끼가이샤 | 멀티-셀 mimo 송신을 위한 셀 선택 |
WO2011119140A2 (en) | 2010-03-22 | 2011-09-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive feedback of channel information for coordinated transmission on a wireless backhaul |
US9887754B2 (en) | 2010-05-04 | 2018-02-06 | Qualcomm Incorporated | Method and apparatus for optimizing power distribution between symbols |
TW201210294A (en) | 2010-05-10 | 2012-03-01 | Innovative Sonic Corp | Method and apparatus or handling sounding reference signals and physical uplink control channel |
CN101924610B (zh) * | 2010-08-02 | 2012-12-26 | 西安电子科技大学 | Lte-a系统中信道状态信息参考信号csi-rs的设计与分配方法 |
US8995385B2 (en) | 2011-08-05 | 2015-03-31 | Samsung Electronics Co., Ltd. | Apparatus and method for UE-specific demodulation reference signal scrambling |
US9025574B2 (en) * | 2011-08-12 | 2015-05-05 | Blackberry Limited | Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system |
US9548802B2 (en) | 2011-08-12 | 2017-01-17 | Interdigital Patent Holdings, Inc. | Method and apparatus for multiple-input multiple-output operation |
GB2496178B (en) * | 2011-11-04 | 2013-10-09 | Renesas Mobile Corp | Processing system, method and computer program for multipoint communications |
GB2493224B (en) * | 2011-11-07 | 2013-07-03 | Renesas Mobile Corp | Wireless communication network |
BR112014009201B1 (pt) * | 2011-11-09 | 2022-05-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Método e terminal sem fio para relatar informação de estado de canal e método e nó de rede para adaptar a classificação de transmissão de uma transmissão |
-
2012
- 2012-12-19 WO PCT/IB2012/057455 patent/WO2013093786A2/en unknown
- 2012-12-19 CN CN201280062801.XA patent/CN104969637B/zh active Active
- 2012-12-19 EP EP12859132.8A patent/EP2795827B1/en active Active
- 2012-12-19 US US13/719,241 patent/US9307523B2/en active Active
- 2012-12-19 JP JP2014548298A patent/JP6065330B2/ja active Active
Non-Patent Citations (9)
Title |
---|
JPN6016016550; MediaTek Inc: 'Discussion on CSI-RS Reconfiguration for CoMP Scenario 4' R1-112346 , 20110817, paragraph 2, 3GPP * |
JPN6016016552; MediaTek Inc: 'Point Selection and CSI Feedback for CoMP Operation' R1-113051 , 20111004, paragraph 4, 3GPP * |
JPN6016016553; Motorola Mobility: 'Downlink Reference Symbol Configuration for Release-11' R1-113259 , 20111004, paragraph 2, 3GPP * |
JPN6016016556; Samsung: 'Corrections on PUCCH mode 1-1' R1-112492 , 20110816, paragraph 7.2.2, 3GPP * |
JPN6016016558; Renesas Mobile Europe Ltd.: 'Feedback operation for coordinated multi-point operation' R1-113892 , 20111108, paragraph 5, 3GPP * |
JPN6016016560; Ericsson, ST-Ericsson: 'Hierarchical Feedback for DL CoMP and DL MIMO' R1-113354 , 20111005, paragraph 6, 3GPP * |
JPN6016016561; Huawei, HiSilicon: 'Open issues for aperiodic and periodic CSI reporting' R1-110021 , 20110121, paragraph 3, 3GPP * |
JPN6016016564; Alcatel-Lucent, Alcatel-Lucent Shanghai Bell, CHTTL: 'DL RS consideration for CoMP Interference measurements' R1-114050 , 20111108, paragraph 2, 3GPP * |
JPN6016016565; Qualcomm Incorporated: 'CSI-RS configuration in support of downlink CoMP' R1-114113 , 20111108, paragraph 3.1, 3GPP * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9693279B2 (en) | 2012-01-20 | 2017-06-27 | Sony Corporation | Radio communications device and system, radio communications method and machine readable medium |
JP2015527839A (ja) * | 2012-08-03 | 2015-09-17 | アルカテル−ルーセント | 多地点協調送信モード |
US10277430B2 (en) | 2012-08-03 | 2019-04-30 | Alcatel Lucent | Coordinated multi point transmission modes |
JP2016534615A (ja) * | 2013-08-15 | 2016-11-04 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | Csi報告を処理するための方法及び無線ノード |
US11659428B2 (en) | 2013-08-15 | 2023-05-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and radio node for handling CSI reporting |
JP2017184104A (ja) * | 2016-03-31 | 2017-10-05 | ソフトバンク株式会社 | 基地局及び移動通信システム |
US10939323B2 (en) | 2016-07-29 | 2021-03-02 | Huawei Technologies Co., Ltd. | CSI-RS transmission method and network device |
JP2017163567A (ja) * | 2017-04-14 | 2017-09-14 | アルカテル−ルーセント | 多地点協調送信モード |
Also Published As
Publication number | Publication date |
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EP2795827A4 (en) | 2016-01-13 |
EP2795827B1 (en) | 2019-09-04 |
CN104969637A (zh) | 2015-10-07 |
CN104969637B (zh) | 2018-08-10 |
JP6065330B2 (ja) | 2017-01-25 |
WO2013093786A2 (en) | 2013-06-27 |
EP2795827A2 (en) | 2014-10-29 |
WO2013093786A3 (en) | 2015-01-15 |
US9307523B2 (en) | 2016-04-05 |
US20130156001A1 (en) | 2013-06-20 |
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