JP2015008526A5 - - Google Patents
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- JP2015008526A5 JP2015008526A5 JP2014181519A JP2014181519A JP2015008526A5 JP 2015008526 A5 JP2015008526 A5 JP 2015008526A5 JP 2014181519 A JP2014181519 A JP 2014181519A JP 2014181519 A JP2014181519 A JP 2014181519A JP 2015008526 A5 JP2015008526 A5 JP 2015008526A5
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- dwpts
- normal subframe
- pattern
- resource elements
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Claims (18)
拡張サイクリック・プレフィクス(CP)のための復調基準信号(DM−RS)パターンを生成する(10)ステップと、
前記DM−RSパターンを受信機に送信するステップと、
を含み、
前記DM−RSパターンは、8レイヤ伝送をサポートするランク1〜8のパターンを含み、
前記DM−RSパターンは、通常のサブフレームに使用される通常サブフレーム版と、異なる下りリンク・パイロット・タイムスロット(DwPTS)の場合に使用される、前記通常サブフレーム版のパンクチャ版と、を有し、拡張CPのために、レイヤ当たり最大16個のリソース・エレメント(RE)のDM−RSオーバヘッドに適合されていることを特徴とする方法。 A multiple-input multiple-output (MIMO) how to perform Te transmitter smell system,
Generating (10) a demodulation reference signal (DM-RS) pattern for an extended cyclic prefix (CP);
Transmitting a pre-Symbol DM-RS pattern to the receiver,
Including
The DM-RS pattern is seen including the rank 1-8 of patterns that support 8-layer transmission,
The DM-RS pattern includes a normal subframe version used for a normal subframe and a puncture version of the normal subframe version used in the case of a different downlink pilot time slot (DwPTS). A method characterized in that it is adapted for DM-RS overhead of up to 16 resource elements (RE) per layer for extended CP .
拡張サイクリック・プレフィクス(CP)のための復調基準信号(DM−RS)パターンを受信するステップと、Receiving a demodulation reference signal (DM-RS) pattern for an extended cyclic prefix (CP);
前記受信したDM−RSパターンに基づきチャネル・パフォーマンスを推定及び検出するステップと、Estimating and detecting channel performance based on the received DM-RS pattern;
を含み、Including
前記DM−RSパターンは、8レイヤ伝送をサポートするランク1〜8のパターンを含み、The DM-RS pattern includes rank 1-8 patterns that support 8-layer transmission,
前記DM−RSパターンは、通常のサブフレームに使用される通常サブフレーム版と、異なる下りリンク・パイロット・タイムスロット(DwPTS)の場合に使用される、前記通常サブフレーム版のパンクチャ版と、を有し、拡張CPのために、レイヤ当たり最大16個のリソース・エレメント(RE)のDM−RSオーバヘッドに適合されていることを特徴とする方法。The DM-RS pattern includes a normal subframe version used for a normal subframe and a puncture version of the normal subframe version used in the case of a different downlink pilot time slot (DwPTS). A method characterized in that it is adapted for DM-RS overhead of up to 16 resource elements (REs) per layer for extended CP.
前記受信したDM−RSパターンに基づきチャネル・パフォーマンスを推定及び検出する様に構成されたチャネル推定及び検出モジュールと、A channel estimation and detection module configured to estimate and detect channel performance based on the received DM-RS pattern;
を備えており、With
前記DM−RSパターンは、8レイヤ伝送をサポートするランク1〜8のパターンを含み、The DM-RS pattern includes rank 1-8 patterns that support 8-layer transmission,
前記DM−RSパターンは、通常のサブフレームに使用される通常サブフレーム版と、異なる下りリンク・パイロット・タイムスロット(DwPTS)の場合に使用される、前記通常サブフレーム版のパンクチャ版と、を有し、拡張CPのために、レイヤ当たり最大16個のリソース・エレメント(RE)のDM−RSオーバヘッドに適合されていることを特徴とするユーザ装置。The DM-RS pattern includes a normal subframe version used for a normal subframe and a puncture version of the normal subframe version used in the case of a different downlink pilot time slot (DwPTS). User equipment characterized in that it is adapted for DM-RS overhead of up to 16 resource elements (RE) per layer for extended CP.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014181519A JP5938073B2 (en) | 2014-09-05 | 2014-09-05 | Method and apparatus for channel estimation and detection in a MIMO system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014181519A JP5938073B2 (en) | 2014-09-05 | 2014-09-05 | Method and apparatus for channel estimation and detection in a MIMO system |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012547419A Division JP5612124B2 (en) | 2010-01-12 | 2010-01-12 | Method and apparatus for channel estimation and detection in a MIMO system |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015008526A JP2015008526A (en) | 2015-01-15 |
JP2015008526A5 true JP2015008526A5 (en) | 2015-06-18 |
JP5938073B2 JP5938073B2 (en) | 2016-06-22 |
Family
ID=52338471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014181519A Expired - Fee Related JP5938073B2 (en) | 2014-09-05 | 2014-09-05 | Method and apparatus for channel estimation and detection in a MIMO system |
Country Status (1)
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JP (1) | JP5938073B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11218261B2 (en) * | 2015-06-01 | 2022-01-04 | Qualcomm Incorporated | Channel state information reference signals in contention-based spectrum |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101313548B (en) * | 2005-09-27 | 2013-06-05 | 诺基亚公司 | Method and device for built-in pilot transmissions in multicarrier system |
EP1944896A1 (en) * | 2007-01-09 | 2008-07-16 | Matsushita Electric Industrial Co., Ltd. | Configuration of control channels in a mobile communication system |
JP4601637B2 (en) * | 2007-03-20 | 2010-12-22 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile station, transmission method, and wireless communication system |
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2014
- 2014-09-05 JP JP2014181519A patent/JP5938073B2/en not_active Expired - Fee Related
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