JP2013042350A5 - - Google Patents
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- JP2013042350A5 JP2013042350A5 JP2011177718A JP2011177718A JP2013042350A5 JP 2013042350 A5 JP2013042350 A5 JP 2013042350A5 JP 2011177718 A JP2011177718 A JP 2011177718A JP 2011177718 A JP2011177718 A JP 2011177718A JP 2013042350 A5 JP2013042350 A5 JP 2013042350A5
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- identification information
- precoding
- wireless reception
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Claims (10)
複数の無線受信装置の組み合わせを表す複数のグループからいずれか一つのグループを選択する選択部と、
前記選択されたグループに属する各無線受信装置宛ての送信データに対して、前記選択されたグループに対して予め決定されたプリコーディング方式でプリコーディングを行なうプリコーディング部と、を備えることを特徴とする無線送信装置。 A wireless transmission device comprising a plurality of transmission antennas and transmitting spatially multiplexed signals to a plurality of wireless reception devices,
A selection unit for selecting any one group from a plurality of groups representing a combination of a plurality of wireless reception devices ;
A precoding unit that performs precoding on transmission data addressed to each wireless reception device belonging to the selected group in a precoding scheme determined in advance for the selected group, Wireless transmission device.
複数の無線受信装置の組み合わせを表す複数のグループ からいずれか一つのグループを選択する選択部と、A selection unit for selecting any one group from a plurality of groups representing a combination of a plurality of wireless reception devices;
前記選択されたグループに属する各無線受信装置宛ての送信データに対して、前記選択されたグループに対応して 前記無線受信装置毎に予め決定されたプリコーディング方式でプリコーディングを行なうプリコーディング部と、を備えることを特徴とする無線送信装置。 A precoding unit that performs precoding with respect to transmission data addressed to each wireless reception device belonging to the selected group in a precoding scheme predetermined for each wireless reception device corresponding to the selected group; A wireless transmission device comprising:
前記選択されたグループのグループ識別情報を生成する識別情報生成部と、をさらに備え、 An identification information generating unit that generates group identification information of the selected group,
前記グループ構成情報を前記プリコーディングされた信号の送信に先立って予め前記複数の無線受信装置へ送信し、前記プリコーディングされた信号とともに前記グループ識別情報を前記選択されたグループに属する各無線受信装置に送信する ことを特徴とする請求項1または請求項2記載の無線送信装置。 Prior to transmission of the precoded signal, the group configuration information is transmitted to the plurality of wireless reception devices in advance, and the group identification information together with the precoded signal is transmitted to each of the wireless reception devices belonging to the selected group. The wireless transmission device according to claim 1, wherein the wireless transmission device transmits to the wireless communication device.
前記空間多重された信号の送信先となる無線受信装置が属するグループのグループ構成情報およびグループ識別情報を受信する受信部と、 A receiving unit that receives group configuration information and group identification information of a group to which a wireless reception device that is a transmission destination of the spatially multiplexed signal belongs;
前記グループ構成情報およびグループ識別情報に基づいて、自装置が前記グループに属するか否かを判定する判定部と、 A determination unit that determines whether or not the own device belongs to the group based on the group configuration information and the group identification information;
前記判定の結果、自装置が前記グループ識別情報の示すグループ に属する場合、自装置宛ての信号に、前記グループ識別情報の示すグループに対して予め決定されたプリコーディング方式に対応した受信処理を行なう 受信処理部と、を As a result of the determination, when the own device belongs to the group indicated by the group identification information, a reception process corresponding to a precoding scheme determined in advance for the group indicated by the group identification information is performed on the signal addressed to the own device. A reception processing unit;
備えることを特徴とする無線受信装置。A radio receiving apparatus comprising:
前記空間多重された信号の送信先となる無線受信装置が属するグループのグループ構成情報およびグループ識別情報を受信する受信部と、
前記グループ構成情報およびグループ識別情報に基づいて、自装置が前記グループに属するか否かを判定する判定部と、
前記判定の結果、自装置が前記グループ識別情報の示すグループに属する場合、自装置宛ての信号に、前記グループ識別情報の示すグループに対応して自装置に対して予め決定されたプリコーディング方式に対応した受信処理を行なう受信処理部と、を備えることを特徴とする無線受信装置。 A wireless reception device that receives a spatially multiplexed signal from a wireless transmission device including a plurality of transmission antennas,
A receiving unit that receives group configuration information and group identification information of a group to which a wireless reception device that is a transmission destination of the spatially multiplexed signal belongs;
A determination unit that determines whether or not the own device belongs to the group based on the group configuration information and the group identification information;
A result of the determination, if it belongs to the group indicated own apparatus of said group identification information, the signal addressed to the device itself, the precoding method previously determined for correspondingly own device to the group indicated by the group identification information And a reception processing unit that performs a corresponding reception process.
前記受信処理部は、前記プリコーディング方式が非線形プリコーディングである場合は、受信データシンボルにモジュロ演算を行なうことを特徴とする請求項6または請求項7記載の無線受信装置。 The precoding scheme is either linear precoding or non-linear precoding,
The radio reception apparatus according to claim 6 or 7, wherein the reception processing unit performs a modulo operation on a received data symbol when the precoding scheme is nonlinear precoding.
複数の無線受信装置に対して空間多重した信号を送信する機能と、
複数の無線受信装置の組み合わせを表す複数のグループからいずれか一つのグループを選択する機能と、
前記選択されたグループに属する各無線受信装置宛ての送信データに対して、前記選択されたグループに対して予め決定されたプリコーディング方式でプリコーディングを行なう機能と、の一連の機能を、前記無線送信装置に発揮させることを特徴とする集積回路。 An integrated circuit that allows a plurality of functions to be exhibited by the wireless transmission device by being mounted on a wireless transmission device including a plurality of transmission antennas ,
A function of transmitting spatially multiplexed signals to a plurality of wireless reception devices;
A function of selecting any one group from a plurality of groups representing a combination of a plurality of wireless reception devices;
A function of performing precoding with respect to transmission data addressed to each wireless reception device belonging to the selected group by a precoding scheme determined in advance for the selected group, the wireless An integrated circuit characterized by being exhibited by a transmission device.
複数の送信アンテナを備えた無線送信装置から、空間多重された信号を受信する機能と、 A function of receiving a spatially multiplexed signal from a wireless transmission device having a plurality of transmission antennas;
前記空間多重された信号の送信先となる無線受信装置が属するグループのグループ構成情報およびグループ識別情報を受信する機能と、 A function of receiving group configuration information and group identification information of a group to which a wireless reception device as a transmission destination of the spatially multiplexed signal belongs;
前記グループ構成情報およびグループ識別情報に基づいて、自装置が前記グループに属するか否かを判定する機能と、 A function of determining whether the own device belongs to the group based on the group configuration information and the group identification information;
前記判定の結果、自装置が前記グループ識別情報の示すグループに属する場合、前記グループ識別情報の示すグループに対して予め決定されたプリコーディング方式に対応して自装置宛ての信号を受信する機能と、の一連の機能を、前記無線受信装置に発揮させることを特徴とする集積回路。 If the result of the determination is that the device belongs to a group indicated by the group identification information, a function for receiving a signal addressed to the device corresponding to a precoding scheme determined in advance for the group indicated by the group identification information; An integrated circuit characterized by causing the wireless receiver to exhibit a series of functions.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011177718A JP5909060B2 (en) | 2011-08-15 | 2011-08-15 | Wireless transmission device, wireless reception device, program, integrated circuit, and wireless communication system |
CN201280039884.0A CN103733554A (en) | 2011-08-15 | 2012-08-13 | Wireless transmission device, wireless reception device, program, integrated circuit, and wireless communication system |
EP12823300.4A EP2747325A4 (en) | 2011-08-15 | 2012-08-13 | Wireless transmission device, wireless reception device, program, integrated circuit, and wireless communication system |
PCT/JP2012/070619 WO2013024838A1 (en) | 2011-08-15 | 2012-08-13 | Wireless transmission device, wireless reception device, program, integrated circuit, and wireless communication system |
US14/239,088 US9281880B2 (en) | 2011-08-15 | 2012-08-13 | Wireless transmission device and wireless reception device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011177718A JP5909060B2 (en) | 2011-08-15 | 2011-08-15 | Wireless transmission device, wireless reception device, program, integrated circuit, and wireless communication system |
Publications (3)
Publication Number | Publication Date |
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JP2013042350A JP2013042350A (en) | 2013-02-28 |
JP2013042350A5 true JP2013042350A5 (en) | 2014-09-04 |
JP5909060B2 JP5909060B2 (en) | 2016-04-26 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011177718A Expired - Fee Related JP5909060B2 (en) | 2011-08-15 | 2011-08-15 | Wireless transmission device, wireless reception device, program, integrated circuit, and wireless communication system |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5908307B2 (en) * | 2012-03-06 | 2016-04-26 | シャープ株式会社 | Precoding device, wireless transmission device, wireless reception device, wireless communication system, and integrated circuit |
EP3657691A1 (en) * | 2013-03-15 | 2020-05-27 | InterDigital Patent Holdings, Inc. | Station and access point for non-linear precoding based multiuser multiple input multiple output |
JP2016119496A (en) | 2013-04-10 | 2016-06-30 | シャープ株式会社 | Base station device, terminal device, radio communication system, and integrated circuit |
CN111106862A (en) | 2018-10-26 | 2020-05-05 | 索尼公司 | Electronic device, communication method, and medium |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US8116267B2 (en) * | 2006-02-09 | 2012-02-14 | Samsung Electronics Co., Ltd. | Method and system for scheduling users based on user-determined ranks in a MIMO system |
CN101325441A (en) * | 2007-06-11 | 2008-12-17 | 株式会社Ntt都科摩 | Method and apparatus for scheduling precoding system based on code book |
CN101553996B (en) * | 2007-06-23 | 2012-10-31 | 松下电器产业株式会社 | Method and system for communication channel optimization in a multiple-input multiple-output (MIMO) communication system |
CN101374033B (en) * | 2007-08-23 | 2013-03-27 | 株式会社Ntt都科摩 | Method and apparatus for processing data of multi-input multi-output system |
GB2469080B (en) * | 2009-03-31 | 2011-09-07 | Toshiba Res Europ Ltd | Wireless communications method and apparatus |
JP5319443B2 (en) * | 2009-08-05 | 2013-10-16 | シャープ株式会社 | Base station apparatus, terminal apparatus and radio communication system |
JP5473131B2 (en) * | 2010-01-15 | 2014-04-16 | シャープ株式会社 | COMMUNICATION SYSTEM, COMMUNICATION DEVICE, COMMUNICATION METHOD, AND PROCESSOR THEREOF |
JP5686427B2 (en) * | 2010-02-05 | 2015-03-18 | シャープ株式会社 | Transmitting apparatus, receiving apparatus, wireless communication system, transmission control method, reception control method, and processor |
US20110194511A1 (en) * | 2010-02-10 | 2011-08-11 | Qualcomm Incorporated | Multi-user control channel assignment |
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2011
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