JP2012510772A - ダウンリンク多重アンテナシステムにおける基準信号送信方法 - Google Patents
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- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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Abstract
【解決手段】この方法は、複数のセルにそれぞれ含まれた基地局で、複数のセルのそれぞれに位置するユーザ機器のためにRSを含むサブフレームを生成するステップ、及び基地局が、生成されたサブフレームをユーザ機器に送信するステップを含み、RSは、チャンネル測定用RS及びデータ復調用RSを含み、複数のセルは、チャンネル測定用RSに適用される周波数偏移値別にグループ化され、RS割当てパターンは、複数のセルのうち二つのセルのために所定規則に従って決定される。
【選択図】図12
Description
DRS νshift=(CRS νshift of Group C+1)%Number of Groups
DRS νshift=(CRS νshift of Group B+1)%Number of Groups
DRS νshift=(CRS νshift of Group A+1)%Number of Groups
DRS νshift=CRS νshift of Group A
DRS νshift=(CRS νshift of Group A+2)%Number of Groups
DRS νshift=CRS νshift of Group B
DRS νshift=(CRS νshift of Group B+2)%Number of Groups
DRS νshift=CRS νshift of Group C
DRS νshift=(CRS νshift of Group C+2)%Number of Groups
Claims (14)
- 多地点協調(CoMP)動作に参加する複数のセルを有するシステムにおいて、
ユーザ機器に基準信号(RS)を送信する方法であって、
前記複数のセルにそれぞれ含まれた基地局(BS)で前記複数のセルのそれぞれに位置するユーザ機器のためにRSを含むサブフレームを生成するステップ、及び
前記の生成されたサブフレームを前記基地局が前記ユーザ機器に送信するステップを有し、
前記基準信号は、チャンネル測定用RS及びデータ復調用RSを含み、前記複数のセルは、前記チャンネル測定用RSに適用される周波数偏移値別にグループ化され、RS割当てパターンは、前記複数のセルのうち二つのセルのために所定規則に従って決定される、基準信号送信方法。 - 前記二つのセルは、別個の二つのグループに含まれ、前記別個の二つのグループのチャンネル測定用RSに適用される周波数偏移値を除いた周波数偏移値のうち一つが、前記二つのセルのデータ復調用RSに適用される周波数偏移値として使用される、請求項1に記載の基準信号送信方法。
- 前記二つのセルは同一のグループに含まれ、前記グループのチャンネル測定用RSに適用される周波数偏移値を除いた周波数偏移値のうち一つが、前記二つのセルのデータ復調用RSに適用される周波数偏移値として使用される、請求項1に記載の基準信号送信方法。
- 前記システムは、前記チャンネル測定用RSに適用される3個の周波数偏移値をサポートする、請求項2又は3に記載の基準信号送信方法。
- 前記RS割り当てパターンに関する情報は、物理ダウンリンク制御チャネル(PDCCH)又は無線資源制御(RRC)を通して送信される、請求項1に記載の基準信号送信方法。
- 多地点協調(CoMP)動作に参加する複数のセルを有するシステムにおいて、ユーザ機器に基準信号(RS)を送信する方法であって、
前記複数のセルにそれぞれ含まれた基地局が、前記複数のセルのそれぞれに位置するユーザ機器のためにRSを含むサブフレームを生成するステップ、及び
前記の生成されたサブフレームを前記基地局が前記ユーザ機器に送信するステップを有し、
前記複数のセルのうち二つのセルは第1のセル及び第2のセルであり、前記第1のセルはサービングセルであり、前記第2のセルは非サービングセルである場合、前記第1及び第2のセルのデータ復調用RSは、前記第1及び第2のセルのサブフレームにおいて同一の位置になるように偏移される、基準信号送信方法。 - 多地点協調(CoMP)動作に参加する複数のセルを有するシステムにおいて、ユーザ機器に基準信号(RS)を送信する方法であって、
前記複数のセルにそれぞれ含まれた基地局が、前記複数のセルのそれぞれに位置するユーザ機器のためにRSを含むサブフレームを生成するステップ、及び
前記の生成されたサブフレームを前記基地局がユーザ機器に送信するステップを有し、
前記複数のセルのうち二つのセルのそれぞれが、1又は複数の資源要素(RE)を、同一の時間領域のダウンリンクサブフレーム内に、送信アンテナ用のチャンネル測定用RSのために割り当て、前記送信アンテナ用のチャンネル測定用RSに割り当てられた前記資源要素の位置は、同一の時間領域のダウンリンクサブフレームにおいては、前記二つのセル間で異なる、基準信号送信方法。 - 前記二つのセルは、前記送信アンテナ用のチャンネル測定用RSに適用される周波数偏移値を有する、請求項7に記載の基準信号送信方法。
- 前記二つのセルのうち一つは、他方のセルが前記送信アンテナ用のチャンネル測定用RSに割り当てた資源要素と同じ位置ではデータを送信しない、請求項8に記載の基準信号送信方法。
- 前記二つのセルのうち前記の一つは、パンクチャ又はレートマッチングによっては、前記データを送信しない、請求項9に記載の基準信号送信方法。
- 多地点協調(CoMP)動作に参加する複数のセルを有するシステムにおいて、ユーザ機器に基準信号(RS)を送信する方法であって、
前記複数のセルにそれぞれ含まれた基地局が、前記複数のセルのそれぞれに位置するユーザ機器のためにRSを含むサブフレームを生成するステップ、及び
前記の生成されたサブフレームを前記基地局が前記ユーザ機器に送信するステップを有し、
前記サブフレームは所定期間ごとに送信され、前記複数のセルのうち二つのセルの一つのセルが、該一つのセルのサブフレームにおいて送信アンテナ用のチャンネル測定用RSに1又は複数の資源要素(RE)を割り当て、他方のセルは、該他方のセルのサブフレームにおいては、前記一つのセルが前記送信アンテナ用のチャンネル測定用KSに割り当てた前記資源要素と同一の位置ではデータを送信しない、基準信号送信方法。 - 前記他方のセルは、パンクチャ又はレートマッチングによっては、前記データを送信しない、請求項11に記載の基準信号送信方法。
- 多地点協調(CoMP)動作に参加する複数のセルを有するシステムにおいて、サービングセルが前記サービングセルに位置するユーザ機器にデータを送信する方法であって、
前記ユーザ機器にデータ送信情報を送信するステップ、及び
前記ユーザ機器にデータ及び基準信号(RS)を含むサブフレームを送信するステップを有し、
前記データ送信情報は、前記ユーザ機器に送信された前記サブフレームにおいて、非サービングセルの共通基準信号(CRS)に使用できる資源要素(RE)の位置では、前記ユーザ機器にデータが送信されないことを示す、サービングセルのデータ送信方法。 - 前記データは、前記位置では、パンクチャ又はレートマッチングによっては送信されない、請求項13に記載のデータ送信方法。
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US11935708P | 2008-12-02 | 2008-12-02 | |
US61/119,357 | 2008-12-02 | ||
US14717209P | 2009-01-26 | 2009-01-26 | |
US61/147,172 | 2009-01-26 | ||
US15718309P | 2009-03-03 | 2009-03-03 | |
US61/157,183 | 2009-03-03 | ||
US17360109P | 2009-04-29 | 2009-04-29 | |
US61/173,601 | 2009-04-29 | ||
KR1020090089528A KR101619446B1 (ko) | 2008-12-02 | 2009-09-22 | 하향링크 mimo시스템에 있어서 rs 전송 방법 |
KR10-2009-0089528 | 2009-09-22 | ||
PCT/KR2009/007150 WO2010064842A2 (en) | 2008-12-02 | 2009-12-02 | Method for transmitting reference signals in a downlink multiple input multiple output system |
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012517735A (ja) * | 2009-02-10 | 2012-08-02 | 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) | 多地点協調無線通信システムにおけるユーザデータの時間−周波数リソースグリッドへのマッピング |
JP2012521138A (ja) * | 2009-03-17 | 2012-09-10 | サムスン エレクトロニクス カンパニー リミテッド | マルチストリーム伝送におけるパイロット信号をマッピングする方法及びシステム |
JP2012216989A (ja) * | 2011-03-31 | 2012-11-08 | Softbank Mobile Corp | 移動通信システム及び基地局装置 |
JP2013534394A (ja) * | 2010-08-16 | 2013-09-02 | ゼットティーイー(ユーエスエー) インコーポレイテッド | Lte−advanceシステムにおけるcsi−rsリソース割り振り方法およびシステム |
US8879484B2 (en) | 2009-06-29 | 2014-11-04 | Huawei Technologies Co., Ltd. | Method, apparatus, and system for processing reference signal |
JP2016516371A (ja) * | 2013-04-09 | 2016-06-02 | 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 | Csi−rsポートをリソースブロックにマップする方法、基地局およびユーザ機器 |
US9456372B2 (en) | 2011-08-12 | 2016-09-27 | Interdigital Patent Holdings, Inc. | Interference measurement in wireless networks |
JP2016178697A (ja) * | 2010-08-11 | 2016-10-06 | パンテック カンパニー リミテッド | ミューティング情報伝達装置及び方法と、それを用いたチャネル状態取得装置及び方法 |
US9532362B2 (en) | 2012-06-04 | 2016-12-27 | Interdigital Patent Holdings, Inc. | Communicating channel state information (CSI) of multiple transmission points |
JP2018515951A (ja) * | 2015-03-16 | 2018-06-14 | オフィノ テクノロジーズ, エルエルシー | キャリアアグリゲーションにおける二次セルのアクティブ化 |
US10014911B2 (en) | 2011-01-07 | 2018-07-03 | Interdigital Patent Holdings, Inc. | Communicating channel state information (CSI) of multiple transmission points |
US10193678B2 (en) | 2009-10-08 | 2019-01-29 | Qualcomm Incorporated | Muting schemes for channel state information reference signal and signaling thereof |
US10771218B2 (en) | 2009-10-08 | 2020-09-08 | Qualcomm Incorporated | Method and apparatus for using channel state information reference signal in wireless communication system |
US11223459B2 (en) | 2009-02-10 | 2022-01-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Mapping user data onto a time-frequency resource grid in a coordinated multi-point wireless communication system |
US11540156B2 (en) | 2013-05-08 | 2022-12-27 | Interdigital Patent Holdings, Inc. | Methods, systems and apparatuses for network assisted interference cancellation and/or suppression (NAICS) in long-term evolution (LTE) systems |
Families Citing this family (134)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7773694B2 (en) | 2003-07-02 | 2010-08-10 | Panasonic Corporation | Communication apparatus and communication method |
JP4079197B1 (ja) * | 2007-02-06 | 2008-04-23 | 松下電器産業株式会社 | 受信装置とこれを用いた受信システム |
KR101349830B1 (ko) * | 2008-03-05 | 2014-01-09 | 엘지전자 주식회사 | 간섭 측정 방법 |
US8614975B2 (en) * | 2008-09-19 | 2013-12-24 | Qualcomm Incorporated | Synchronizing a base station in a wireless communication system |
US9037155B2 (en) * | 2008-10-28 | 2015-05-19 | Sven Fischer | Time of arrival (TOA) estimation for positioning in a wireless communication network |
US8982851B2 (en) | 2009-01-06 | 2015-03-17 | Qualcomm Incorporated | Hearability improvements for reference signals |
US20100189038A1 (en) * | 2009-01-23 | 2010-07-29 | Runhua Chen | Circuit and method for mapping data symbols and reference signals for coordinated multi-point systems |
JP5059800B2 (ja) | 2009-03-16 | 2012-10-31 | 株式会社エヌ・ティ・ティ・ドコモ | 無線基地局装置及び移動局装置、無線通信方法 |
US8937875B2 (en) | 2009-03-16 | 2015-01-20 | Panasonic Intellectual Property Corporation Of America | Radio reception apparatus, radio transmission apparatus, and radio communication method |
JP5487294B2 (ja) | 2009-03-18 | 2014-05-07 | エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュート | チャネル状態情報を有するレファレンス信号を送信するシステム |
WO2010107129A1 (en) * | 2009-03-19 | 2010-09-23 | Nec Corporation | Improved channel quality indicator method |
WO2010110576A2 (en) * | 2009-03-24 | 2010-09-30 | Lg Electronics Inc. | Method and apparatus for transmitting reference signal in wireless communication system |
US8964656B2 (en) * | 2009-04-02 | 2015-02-24 | Lg Electronics Inc. | Method of transmitting channel state information in wireless communication system |
CN101873629A (zh) * | 2009-04-24 | 2010-10-27 | 北京三星通信技术研究有限公司 | 一种多点联合传输的方法和装置 |
CN101873615A (zh) * | 2009-04-27 | 2010-10-27 | 松下电器产业株式会社 | 无线通信***及其下行链路接收功率检测方法 |
WO2010125794A1 (ja) | 2009-04-27 | 2010-11-04 | パナソニック株式会社 | 無線通信装置及び無線通信方法 |
US8712399B2 (en) * | 2009-05-06 | 2014-04-29 | Texas Instruments Incorporated | Coordinated multi-point transmission in a cellular network |
JP5106477B2 (ja) * | 2009-05-18 | 2012-12-26 | 株式会社エヌ・ティ・ティ・ドコモ | 無線基地局及び移動通信方法 |
US8780805B2 (en) | 2009-06-10 | 2014-07-15 | Panasonic Corporation | Radio communication terminal and radio communication method |
EP2449808B1 (en) * | 2009-06-30 | 2016-03-02 | Telefonaktiebolaget LM Ericsson (publ) | Controlling csi reporting in a lte cellular communication network |
WO2011005015A2 (ko) * | 2009-07-06 | 2011-01-13 | 엘지전자 주식회사 | 무선 통신 시스템에서 추가적인 방송 정보에 대한 제어 정보 송수신 방법 및 장치 |
KR101642311B1 (ko) | 2009-07-24 | 2016-07-25 | 엘지전자 주식회사 | CoMP 참조신호 송수신 방법 |
US20110019776A1 (en) * | 2009-07-24 | 2011-01-27 | Interdigital Patent Holdings, Inc. | Method and apparatus for obtaining port index information |
KR101710204B1 (ko) * | 2009-07-28 | 2017-03-08 | 엘지전자 주식회사 | 다중 입출력 통신 시스템에서 채널측정을 위한 기준신호의 전송 방법 및 그 장치 |
US8688139B2 (en) | 2009-09-10 | 2014-04-01 | Qualcomm Incorporated | Concurrent wireless transmitter mapping and mobile station positioning |
CN102014099B (zh) * | 2009-11-02 | 2013-04-24 | 电信科学技术研究院 | 一种下行导频的传输方法、装置及*** |
KR101797491B1 (ko) * | 2009-12-02 | 2017-11-15 | 엘지전자 주식회사 | 이종망을 지원하는 무선 통신 시스템에서 간섭 완화 방법 및 장치 |
CN102118825B (zh) * | 2009-12-31 | 2013-12-04 | 华为技术有限公司 | 实现多点联合传输的方法、终端及*** |
WO2011085200A1 (en) | 2010-01-08 | 2011-07-14 | Interdigital Patent Holdings, Inc. | Maintaining time alignment with multiple uplink carriers |
KR101754970B1 (ko) | 2010-01-12 | 2017-07-06 | 삼성전자주식회사 | 무선 통신 시스템의 채널 상태 측정 기준신호 처리 장치 및 방법 |
KR101740221B1 (ko) | 2010-01-18 | 2017-05-29 | 주식회사 골드피크이노베이션즈 | 채널상태정보-기준신호 할당 방법 및 장치 |
US20120026940A1 (en) * | 2010-02-02 | 2012-02-02 | Qualcomm Incorporated | Radio reporting set and backhaul reporting set construction for coordinated multi-point communication |
KR101664127B1 (ko) * | 2010-02-10 | 2016-10-10 | 삼성전자주식회사 | 이웃 셀을 위한 협력 랭크 정보를 교환하는 다중 입출력 통신 방법 및 시스템 |
WO2011100672A1 (en) * | 2010-02-12 | 2011-08-18 | Research In Motion Limited | Reference signal for a coordinated multi-point network implementation |
US8305987B2 (en) * | 2010-02-12 | 2012-11-06 | Research In Motion Limited | Reference signal for a coordinated multi-point network implementation |
EP2534778B1 (en) | 2010-02-12 | 2021-06-02 | BlackBerry Limited | Reference signal for a coordinated multi-point network implementation |
US9407409B2 (en) | 2010-02-23 | 2016-08-02 | Qualcomm Incorporated | Channel state information reference signals |
US9820273B2 (en) * | 2010-03-02 | 2017-11-14 | Xiaoxia Zhang | Uplink coordinated multipoint communications in a wireless network |
US8514738B2 (en) * | 2010-04-01 | 2013-08-20 | Texas Instruments Incorporated | Physical downlink shared channel muting on cell-specific reference symbols locations for of non-serving cells |
CN102215182B (zh) * | 2010-04-02 | 2015-01-21 | 电信科学技术研究院 | 一种导频和数据的收发处理方法及设备 |
US9295014B2 (en) * | 2010-04-16 | 2016-03-22 | Qualcomm Incorporated | Diminishing the impact of timing delay in downlink signals |
US20110267948A1 (en) * | 2010-05-03 | 2011-11-03 | Koc Ali T | Techniques for communicating and managing congestion in a wireless network |
US9014301B2 (en) * | 2010-05-14 | 2015-04-21 | Qualcomm Incorporated | Dedicated reference signal |
EP2573953B1 (en) * | 2010-05-18 | 2019-03-20 | LG Electronics Inc. | Method and apparatus for performing channel measurement in a distributed multi-node system |
US8654734B2 (en) * | 2010-06-01 | 2014-02-18 | Texas Instruments Incorporated | Multi-cell channel state information-reference symbol patterns for long term evolution extended cyclic prefix and code division multiplexing-time multiplexing |
KR101727579B1 (ko) * | 2010-06-11 | 2017-04-17 | 삼성전자 주식회사 | Csi-rs의 부분적 뮤팅을 이용하는 csi-rs 및 데이터 송수신 방법 및 장치 |
JP4890631B2 (ja) * | 2010-06-14 | 2012-03-07 | シャープ株式会社 | 端末装置、基地局装置、通信システムおよび通信方法 |
DK3002888T3 (en) * | 2010-06-23 | 2017-09-04 | ERICSSON TELEFON AB L M (publ) | HANDLING OF REFERENCE SIGNAL INTERFERENCE IN DEPLOYMENTS OF HETEROGENIC NETWORKS |
US9091746B2 (en) | 2010-07-01 | 2015-07-28 | Qualcomm Incorporated | Determination of positions of wireless transceivers to be added to a wireless communication network |
CN102625354B (zh) * | 2010-07-13 | 2014-03-26 | 华为技术有限公司 | 一种触发终端发送测量参考信号的方法、终端和基站 |
KR101671287B1 (ko) | 2010-08-13 | 2016-11-01 | 삼성전자 주식회사 | 무선 통신 시스템에서 기준 신호 송수신 방법 및 장치 |
JP5345111B2 (ja) * | 2010-08-16 | 2013-11-20 | 株式会社エヌ・ティ・ティ・ドコモ | Csi−rsのシグナリング方法及び基地局装置 |
CN102404055B (zh) * | 2010-09-10 | 2014-06-18 | 电信科学技术研究院 | 一种测量干扰的方法、***和设备 |
CN103109479B (zh) * | 2010-09-16 | 2016-02-24 | Lg电子株式会社 | 用于在支持多个服务小区的无线通信***中发射/接收基本资源网格类型信息的装置及其方法 |
CA2822505C (en) | 2010-12-22 | 2018-01-23 | Nokia Siemens Networks Oy | Allocation of resources |
US10200166B2 (en) * | 2011-01-17 | 2019-02-05 | Qualcomm Incorporated | Rate matching for coordinated multipoint transmission schemes |
US11575478B2 (en) * | 2011-01-17 | 2023-02-07 | Qualcomm Incorporated | Rate matching for coordinated multipoint transmission schemes |
US9559820B2 (en) * | 2011-02-18 | 2017-01-31 | Qualcomm Incorporated | Feedback reporting based on channel state information reference signal (CSI-RS) groups |
US9673945B2 (en) | 2011-02-18 | 2017-06-06 | Qualcomm Incorporated | Implicitly linking aperiodic channel state information (A-CSI) reports to CSI-reference signal (CSI-RS) resources |
US8537911B2 (en) * | 2011-02-21 | 2013-09-17 | Motorola Mobility Llc | Method and apparatus for reference signal processing in an orthogonal frequency division multiplexing communication system |
WO2012129798A1 (en) * | 2011-03-30 | 2012-10-04 | Huawei Technologies Co., Ltd. | Method and apparatus for open loop transmission in a multiple antenna wireless communication system |
CN102740463A (zh) | 2011-03-31 | 2012-10-17 | 上海贝尔股份有限公司 | 用于降低无线通信***中干扰的方法、装置、基站和用户设备 |
JP6026082B2 (ja) * | 2011-04-05 | 2016-11-16 | シャープ株式会社 | 端末、基地局、通信方法および集積回路 |
US8599711B2 (en) * | 2011-04-08 | 2013-12-03 | Nokia Siemens Networks Oy | Reference signal port discovery involving transmission points |
CN102761911B (zh) * | 2011-04-26 | 2015-07-29 | ***通信集团公司 | 解调参考信号的发送方法及装置、接收方法及装置 |
JP5437310B2 (ja) * | 2011-05-02 | 2014-03-12 | 株式会社Nttドコモ | 無線基地局装置、移動端末装置、無線通信方法及び無線通信システム |
US8792924B2 (en) * | 2011-05-06 | 2014-07-29 | Futurewei Technologies, Inc. | System and method for multi-cell access |
CN105246159B (zh) * | 2011-05-31 | 2019-01-08 | 华为技术有限公司 | 一种通信*** |
CN102811191B (zh) * | 2011-05-31 | 2016-06-08 | 华为技术有限公司 | 一种数据传输方法和装置 |
KR101767997B1 (ko) | 2011-06-24 | 2017-08-14 | 삼성전자 주식회사 | 직교 주파수 분할 다중 접속 이동통신 시스템을 기반으로 하는 분산 안테나 시스템에서 하향링크 간섭 측정 방법 및 장치 |
JP5978566B2 (ja) * | 2011-07-07 | 2016-08-24 | ソニー株式会社 | 通信装置、通信方法および基地局 |
US9307422B2 (en) | 2011-07-07 | 2016-04-05 | Lg Electronics Inc. | Method and apparatus for performing a channel measurement through a receiving end in a wireless communication system |
US9742516B2 (en) * | 2011-07-28 | 2017-08-22 | Blackberry Limited | Method and system for control format detection in heterogeneous cellular networks |
US10028250B2 (en) * | 2011-07-29 | 2018-07-17 | Google Technology Holdings LLC | Interference mitigation in an accessory for a wireless communication device |
US8861430B2 (en) * | 2011-08-11 | 2014-10-14 | Mediatek Inc. | Methods of point association for cooperative multiple point transmission |
JP5753022B2 (ja) * | 2011-08-15 | 2015-07-22 | 株式会社Nttドコモ | 無線通信システム、無線基地局装置、ユーザ端末及び無線通信方法 |
US9698955B2 (en) * | 2011-08-16 | 2017-07-04 | Lg Electronics Inc. | Method for base station to mulitiplex downlink control channel in wireless communication system and apparatus therefor |
CN102958147B (zh) * | 2011-08-18 | 2016-08-24 | 华为技术有限公司 | 上行功率控制的方法、用户设备和基站 |
US8797966B2 (en) | 2011-09-23 | 2014-08-05 | Ofinno Technologies, Llc | Channel state information transmission |
JP5960829B2 (ja) * | 2011-09-28 | 2016-08-02 | エルジー エレクトロニクス インコーポレイティド | 無線通信システムにおける複数の参照信号構成を設定する方法及び装置 |
CN107104776B (zh) * | 2011-09-30 | 2021-02-12 | 三星电子株式会社 | 用于发送和接收数据的方法、接收器和发送器 |
CA2853003C (en) * | 2011-10-20 | 2019-07-23 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting and receiving control information in a wireless communication system |
US8934326B2 (en) | 2011-11-07 | 2015-01-13 | Qualcomm Incorporated | Reference signal detection |
US8879496B2 (en) | 2011-12-19 | 2014-11-04 | Ofinno Technologies, Llc | Beamforming codeword exchange between base stations |
CN102545983B (zh) * | 2012-01-09 | 2014-06-04 | 清华大学 | 一种多点协作传输***中导频的处理方法及装置 |
US8902842B1 (en) * | 2012-01-11 | 2014-12-02 | Marvell International Ltd | Control signaling and resource mapping for coordinated transmission |
US8953478B2 (en) | 2012-01-27 | 2015-02-10 | Intel Corporation | Evolved node B and method for coherent coordinated multipoint transmission with per CSI-RS feedback |
US9148818B2 (en) | 2012-01-27 | 2015-09-29 | Nec Laboratories America, Inc. | Coordinated multiple point transmission and reception |
EP2797243B1 (en) * | 2012-02-11 | 2017-07-05 | LG Electronics Inc. | Method for receiving downlink data channels in multicell-based wireless communication systems and apparatus for same |
WO2013129865A1 (ko) * | 2012-02-28 | 2013-09-06 | 엘지전자 주식회사 | 반송파 결합을 지원하는 무선통신시스템에서 서로 다른 타입의 반송파를 사용하여 통신을 수행하는 방법 및 장치 |
ES2703930T3 (es) * | 2012-03-16 | 2019-03-13 | Intel Corp | Submuestreo de señales de referencia específicas de celda (CRS) para un nuevo tipo de portadora (NCT) |
CN103312400B (zh) * | 2012-03-16 | 2016-12-14 | ***通信集团公司 | 一种非周期信道状态信息的反馈方法、装置及移动终端 |
US10027391B2 (en) | 2012-04-12 | 2018-07-17 | Nokia Technologies Oy | Transmit diversity on a control channel without additional reference signals |
CN103378954B (zh) | 2012-04-20 | 2019-03-15 | 北京三星通信技术研究有限公司 | 支持发送分集和信道选择的分配harq-ack信道资源的方法 |
US8854981B2 (en) * | 2012-04-27 | 2014-10-07 | Intel Corporation | Signal interference measurements in a wireless communication network |
CN103516637B (zh) * | 2012-06-19 | 2017-03-29 | 普天信息技术研究院有限公司 | 高速铁路***中的下行链路通信方法和装置 |
US20130343299A1 (en) * | 2012-06-21 | 2013-12-26 | Samsung Electronics Co., Ltd | Method for cqi feedback without spatial feedback (pmi/ri) for tdd coordinated multi-point and carrier aggregation scenarios |
JP5309254B2 (ja) * | 2012-08-02 | 2013-10-09 | 株式会社エヌ・ティ・ティ・ドコモ | 無線基地局装置、移動局装置、無線通信方法及び無線通信システム |
CN103686861B (zh) | 2012-09-06 | 2017-06-13 | 华为技术有限公司 | 设备间d2d通信中传输参考信号的方法和装置 |
KR101971079B1 (ko) * | 2012-09-20 | 2019-08-13 | 삼성전자 주식회사 | 이동통신 시스템에서 피드백 송수신 방법 및 장치 |
JP6121124B2 (ja) * | 2012-09-28 | 2017-04-26 | 株式会社Nttドコモ | 無線通信システム、無線通信方法、ユーザ端末及び無線基地局 |
US9584279B2 (en) * | 2012-11-14 | 2017-02-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Pilot signal configuration method, associated wireless network node, pilot-signal-based reception method and associated user equipment |
US8897412B2 (en) * | 2012-12-14 | 2014-11-25 | Intel Corporation | Method and apparatus for phase noise mitigation |
JP2014120894A (ja) * | 2012-12-14 | 2014-06-30 | Fujitsu Ltd | 基地局、端末、同期信号送信方法、及び誤検出判定方法 |
CN103596638B (zh) * | 2012-12-20 | 2016-10-26 | 华为技术有限公司 | 通信方法及装置 |
US9236982B2 (en) * | 2012-12-21 | 2016-01-12 | Intel Corporation | PDSCH resource element mapping for three-cell joint transmission |
US9473342B2 (en) * | 2013-03-14 | 2016-10-18 | Ixia | Methods, systems, and computer readable media for single and multi-carrier downlink and uplink control information resolution |
US20150117319A1 (en) * | 2013-10-25 | 2015-04-30 | Qualcomm Incorporated | Scheduling request without random access procedure |
US9603113B2 (en) * | 2013-10-29 | 2017-03-21 | Qualcomm Incorporated | Distributed algorithm for constructing and maintaining a hierarchical structure for device-to-device synchronization |
US9439097B2 (en) * | 2014-02-10 | 2016-09-06 | Alcatel Lucent | Selective signaling information sharing for CoMP enhancement |
CN103825664B (zh) * | 2014-02-21 | 2016-05-18 | 电信科学技术研究院 | 信道状态信息测量方法和装置、以及信号传输方法和装置 |
JP2017509280A (ja) * | 2014-03-06 | 2017-03-30 | アルカテル−ルーセント | チャネル状態情報を量子化する方法および装置 |
US9351307B2 (en) * | 2014-03-31 | 2016-05-24 | Qualcomm Incorporated | CSI report with different receiver capabilities |
WO2015149349A1 (zh) * | 2014-04-04 | 2015-10-08 | 华为技术有限公司 | 参考信号的检测方法、接收方法、用户设备和基站 |
CN105227272B (zh) * | 2014-06-28 | 2019-08-09 | 上海朗帛通信技术有限公司 | 一种大尺度mimo传输方法和装置 |
CN104066196B (zh) * | 2014-06-30 | 2018-07-13 | 华为技术有限公司 | 确定拉选射频单元rru的方法与设备 |
US10051616B2 (en) | 2014-10-07 | 2018-08-14 | Massachusetts Institute Of Technology | Multiuser detection for high capacity cellular downlink |
KR102201789B1 (ko) * | 2015-01-21 | 2021-01-11 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 동기화 방법, 장치 및 시스템 |
EP3249870B1 (en) * | 2015-01-23 | 2020-10-07 | LG Electronics Inc. | Method and apparatus for generating signal by device-to-device communication terminal in wireless communication system |
US10412749B2 (en) * | 2015-05-21 | 2019-09-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Scheduling in license assisted access |
JP2015181286A (ja) * | 2015-06-02 | 2015-10-15 | ノキア ソリューションズ アンド ネットワークス オサケユキチュア | リソースの割り当て |
EP3314966A4 (en) * | 2015-06-24 | 2018-07-04 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for coordinating resources |
US10554462B2 (en) * | 2016-03-23 | 2020-02-04 | Qualcomm Incorporated | Communication of broadcast reference signal |
US10511421B2 (en) | 2016-05-18 | 2019-12-17 | Qualcomm Incorporated | CSI-RS design with dynamic subframe structure |
CN108282867B (zh) * | 2017-01-05 | 2021-09-21 | 华为技术有限公司 | 一种数据传输方法、装置及*** |
US10727996B2 (en) * | 2017-06-13 | 2020-07-28 | Qualcomm Incorporated | Null resource elements for dynamic and bursty inter-cell interference measurement in new radio |
CN109511132B (zh) * | 2017-09-14 | 2021-12-03 | 维沃移动通信有限公司 | 信息传输方法、网络设备、终端及计算机可读存储介质 |
JP2020536417A (ja) * | 2017-09-29 | 2020-12-10 | 株式会社Nttドコモ | チャネル状態情報参照信号(csi−rs)を送信する方法、基地局及びユーザ装置 |
CN110035427B (zh) | 2018-01-12 | 2021-01-08 | 维沃移动通信有限公司 | 一种时隙偏移确定方法和设备 |
CN108430068A (zh) * | 2018-01-24 | 2018-08-21 | 深圳市科虹通信有限公司 | 一种在lte时域和频域上的信号底噪测量的方法及其*** |
CN110351008B (zh) | 2018-04-04 | 2020-10-02 | 北京紫光展锐通信技术有限公司 | 上行时频资源集合的配置、接收方法及装置 |
AU2018427424A1 (en) * | 2018-06-15 | 2021-01-14 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Radio communication method, network device, and terminal device |
CN112887230B (zh) * | 2021-01-08 | 2021-11-19 | 西安电子科技大学 | 平坦衰落信道下空时块编码msk***的信道估计方法 |
CN115150941A (zh) * | 2021-03-31 | 2022-10-04 | 北京三星通信技术研究有限公司 | 无线通信***中的装置及由其执行的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008105267A1 (ja) * | 2007-02-28 | 2008-09-04 | Ntt Docomo, Inc. | 移動通信システムで使用される基地局装置、ユーザ装置及び方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7873021B2 (en) | 2002-04-25 | 2011-01-18 | Imec | CDMA transceiver techniques for wireless communications |
US7218948B2 (en) * | 2003-02-24 | 2007-05-15 | Qualcomm Incorporated | Method of transmitting pilot tones in a multi-sector cell, including null pilot tones, for generating channel quality indicators |
US20050163194A1 (en) * | 2004-01-28 | 2005-07-28 | Qualcomm Incorporated | Interference estimation in a wireless communication system |
JP4319633B2 (ja) * | 2004-02-17 | 2009-08-26 | 三星電子株式会社 | マルチユーザ多入力多出力システムにおけるデータを送受信する装置及び方法 |
KR100678167B1 (ko) | 2004-02-17 | 2007-02-02 | 삼성전자주식회사 | 다중 사용자 다중입력 다중출력 시스템에서 데이터를송수신하는 장치 및 방법 |
KR100735433B1 (ko) * | 2004-07-07 | 2007-07-04 | 삼성전자주식회사 | 다수개의 송신 안테나들을 사용하는 광대역 무선 접속 통신시스템에서 파일럿 신호 송신 장치 및 방법 |
US8559295B2 (en) | 2005-08-15 | 2013-10-15 | Motorola Mobility Llc | Method and apparatus for pilot signal transmission |
US7756548B2 (en) * | 2005-09-19 | 2010-07-13 | Qualcomm Incorporated | Methods and apparatus for use in a wireless communications system that uses a multi-mode base station |
WO2007053954A1 (en) * | 2005-11-10 | 2007-05-18 | Nortel Networks Limited | Zones for wireless networks with relays |
JP4892607B2 (ja) | 2006-04-12 | 2012-03-07 | エルジー エレクトロニクス インコーポレイティド | MIMOシステムにおいて基準信号割当方法{MethodforallocatingreferencesignalsinMIMOsystem} |
KR20070121583A (ko) * | 2006-06-21 | 2007-12-27 | 한국전자통신연구원 | 신호를 전송하는 방법 및 신호를 수신하는 방법 |
CN101106410B (zh) * | 2006-07-13 | 2011-05-18 | 华为技术有限公司 | 一种多输入多输出***的数据重传方法及数据发送端设备 |
US8169977B2 (en) * | 2006-07-14 | 2012-05-01 | Qualcomm Incorporated | Methods and apparatus for characterizing noise in a wireless communications system |
JP2008072403A (ja) * | 2006-09-13 | 2008-03-27 | Nagoya Institute Of Technology | 周波数選択性通信路に於ける固有モード伝送方法 |
US8929281B2 (en) * | 2006-09-15 | 2015-01-06 | Qualcomm Incorporated | Methods and apparatus related to peer to peer device |
KR101355313B1 (ko) | 2006-10-12 | 2014-01-23 | 엘지전자 주식회사 | Mimo 시스템에서의 참조신호 배치 방법 |
KR20080056423A (ko) * | 2006-12-18 | 2008-06-23 | 엘지전자 주식회사 | 셀 탐색을 위한 참조 신호의 구성 방법 |
JP4583388B2 (ja) * | 2007-02-05 | 2010-11-17 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局装置 |
KR20080097682A (ko) | 2007-05-02 | 2008-11-06 | 삼성전자주식회사 | 직교주파수다중접속방식의 이동통신 시스템에서 리소스지시정보를 전송하는 방법 및 장치 |
KR101307123B1 (ko) | 2007-05-04 | 2013-09-10 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 시스템에서의 데이터 송수신방법 및 장치 |
JP5048834B2 (ja) * | 2007-06-26 | 2012-10-17 | 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) | 通信システムにおいてセルオフセットを送信する方法および装置 |
US20090075664A1 (en) * | 2007-09-14 | 2009-03-19 | Qualcomm Incorporated | Multiplexed beacon symbols for a wireless communication system |
US8488693B2 (en) * | 2008-06-11 | 2013-07-16 | Industrial Technology Research Institute | Wireless communication systems and methods using reference signals |
US8400951B2 (en) * | 2009-03-24 | 2013-03-19 | Motorola Mobility Llc | PHICH resource signaling in a wireless communication system |
-
2009
- 2009-09-22 KR KR1020090089528A patent/KR101619446B1/ko active IP Right Grant
- 2009-12-02 CN CN201410048636.3A patent/CN103825691B/zh active Active
- 2009-12-02 JP JP2011539448A patent/JP5809062B2/ja active Active
- 2009-12-02 EP EP09830580A patent/EP2353223A4/en not_active Withdrawn
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- 2009-12-02 WO PCT/KR2009/007150 patent/WO2010064842A2/en active Application Filing
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-
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- 2013-12-03 US US14/095,758 patent/US8913581B2/en active Active
-
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- 2014-11-14 US US14/542,237 patent/US9276692B2/en active Active
-
2016
- 2016-01-29 US US15/011,210 patent/US9954593B2/en active Active
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008105267A1 (ja) * | 2007-02-28 | 2008-09-04 | Ntt Docomo, Inc. | 移動通信システムで使用される基地局装置、ユーザ装置及び方法 |
Non-Patent Citations (9)
Title |
---|
CSNC201110017453; Ericsson: 'Further Considerations on RS Design for LTE-Advanced' 3GPP TSG-RAN WG1#56b R1-091594 , 20090323 * |
CSNC201110020358; Texas Instruments: 'Common Reference Symbol Mapping/Signaling for 8 Transmit Antenna' 3GPP TSG-RAN WG1#55 R1-084447 , 20081110 * |
CSNC201110026009; QUALCOMM Europe: 'RS Power Balancing in Spatial Domain and Interference Estimation Issues[online]' 3GPP TSG-RAN WG1#52 R1-080639 , 20080211, インターネット<URL:http://www.3gpp.org/ftp/tsg_ra * |
CSNC201110038280; Samsung: 'DL reference signal structure of the intra Node B cells: CDM vs. FDM[online]' 3GPP TSG-RAN WG1#46 R1-062223 , 20060828, インターネット<URL:http://www.3gpp.org/ftp/tsg_ra * |
JPN6012060310; QUALCOMM Europe: 'RS Power Balancing in Spatial Domain and Interference Estimation Issues[online]' 3GPP TSG-RAN WG1#52 R1-080639 , 20080211, インターネット<URL:http://www.3gpp.org/ftp/tsg_ra * |
JPN6012060311; Samsung: 'DL reference signal structure of the intra Node B cells: CDM vs. FDM[online]' 3GPP TSG-RAN WG1#46 R1-062223 , 20060828, インターネット<URL:http://www.3gpp.org/ftp/tsg_ra * |
JPN6013012462; Texas Instruments: 'Common Reference Symbol Mapping/Signaling for 8 Transmit Antenna' 3GPP TSG-RAN WG1#55 R1-084447 , 20081110 * |
JPN6013012464; Ericsson: 'Further Considerations on RS Design for LTE-Advanced' 3GPP TSG-RAN WG1#56b R1-091594 , 20090323 * |
JPN6014011377; Motorola: 'Common Reference Symbol Mapping/Signaling for 8 Transmit Antennas' 3GPP TSG RAN1 #55 R1-084408 , 20081110 * |
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US11973712B2 (en) | 2009-02-10 | 2024-04-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Mapping user data onto a time-frequency resource grid in a coordinated multi-point wireless communication system |
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US9929838B2 (en) | 2009-03-17 | 2018-03-27 | Samsung Electronics Co., Ltd. | Method and system for mapping pilot signals in multi-stream transmissions |
US9871632B2 (en) | 2009-03-17 | 2018-01-16 | Samsung Electronics Co., Ltd. | Method and system for mapping pilot signals in multi-stream transmissions |
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US8879484B2 (en) | 2009-06-29 | 2014-11-04 | Huawei Technologies Co., Ltd. | Method, apparatus, and system for processing reference signal |
US10193678B2 (en) | 2009-10-08 | 2019-01-29 | Qualcomm Incorporated | Muting schemes for channel state information reference signal and signaling thereof |
US10771218B2 (en) | 2009-10-08 | 2020-09-08 | Qualcomm Incorporated | Method and apparatus for using channel state information reference signal in wireless communication system |
US9742542B2 (en) | 2010-08-11 | 2017-08-22 | Gold Peak Innovations Inc | Apparatus and method for transmitting muting information, and apparatus and method for acquiring channel state using same |
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US9215697B2 (en) | 2010-08-16 | 2015-12-15 | Zte (Usa) Inc. | Methods and systems for CSI-RS resource allocation in LTE-advance systems |
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US10014911B2 (en) | 2011-01-07 | 2018-07-03 | Interdigital Patent Holdings, Inc. | Communicating channel state information (CSI) of multiple transmission points |
US11621743B2 (en) | 2011-01-07 | 2023-04-04 | Interdigital Patent Holdings, Inc. | Communicating channel state information (CSI) of multiple transmission points |
JP2012216989A (ja) * | 2011-03-31 | 2012-11-08 | Softbank Mobile Corp | 移動通信システム及び基地局装置 |
US10554281B2 (en) | 2011-08-12 | 2020-02-04 | Interdigital Patent Holdings, Inc. | Interference measurement in wireless networks |
US9456372B2 (en) | 2011-08-12 | 2016-09-27 | Interdigital Patent Holdings, Inc. | Interference measurement in wireless networks |
US11316572B2 (en) | 2011-08-12 | 2022-04-26 | Interdigital Patent Holdings, Inc. | Interference measurement in wireless networks |
US9532362B2 (en) | 2012-06-04 | 2016-12-27 | Interdigital Patent Holdings, Inc. | Communicating channel state information (CSI) of multiple transmission points |
US11039329B2 (en) | 2012-06-04 | 2021-06-15 | Interdigital Patent Holdings, Inc. | Communicating channel state information (CSI) of multiple transmission points |
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US11540156B2 (en) | 2013-05-08 | 2022-12-27 | Interdigital Patent Holdings, Inc. | Methods, systems and apparatuses for network assisted interference cancellation and/or suppression (NAICS) in long-term evolution (LTE) systems |
US11889338B2 (en) | 2013-05-08 | 2024-01-30 | Interdigital Patent Holdings, Inc. | Methods, systems and apparatuses for network assisted interference cancellation and/or suppression (NAICS) in long-term evolution (LTE) systems |
JP2018515951A (ja) * | 2015-03-16 | 2018-06-14 | オフィノ テクノロジーズ, エルエルシー | キャリアアグリゲーションにおける二次セルのアクティブ化 |
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WO2010064842A2 (en) | 2010-06-10 |
KR20160065779A (ko) | 2016-06-09 |
KR20100062904A (ko) | 2010-06-10 |
KR101619446B1 (ko) | 2016-05-10 |
EP2353223A4 (en) | 2012-05-09 |
US8913581B2 (en) | 2014-12-16 |
US9954593B2 (en) | 2018-04-24 |
US8619693B2 (en) | 2013-12-31 |
US20110237270A1 (en) | 2011-09-29 |
US9276692B2 (en) | 2016-03-01 |
CN102239649A (zh) | 2011-11-09 |
EP2353223A2 (en) | 2011-08-10 |
WO2010064842A3 (en) | 2010-09-10 |
CN102239649B (zh) | 2014-03-19 |
US20140092862A1 (en) | 2014-04-03 |
KR101683124B1 (ko) | 2016-12-06 |
CN103825691B (zh) | 2017-06-13 |
US20160164590A1 (en) | 2016-06-09 |
CN103825691A (zh) | 2014-05-28 |
JP5809062B2 (ja) | 2015-11-10 |
US20150063294A1 (en) | 2015-03-05 |
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