JP2012523744A - 最適化されたランク3コードブックを用いたアップリンク信号送受信 - Google Patents
最適化されたランク3コードブックを用いたアップリンク信号送受信 Download PDFInfo
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- 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
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Abstract
【解決手段】最適化されたランク3コードブックを用いて、アップリンク信号を送信し、受信する方法を示す。最適化されたランク3コードブックは、6個のプリコーディング行列グループを有し、それぞれは、大きさ1の1つの変数を有する。好適には、最適化された4Txランク3コードブックは、12個のプリコーディング行列を有し、2つのプリコーディング行列は、コーダル距離とプリコーディング行列の数を考慮して、上記6個のプリコーディング行列グループから選択される。
【選択図】図16
Description
前記表2で同一のプリコーディング行列グループ内の2個のプリコーディング行列間のコーダル距離は、これらプリコーディング行列の変数が互いに180°の位相差を有する場合、すなわち、互いに単位円の直径上に位置する場合に獲得することができる。
前記数学式16を通して、グループ1で前記整理2が成立されることが分かり、他のグループに対しても同一の結論に至り得ることが分かる。
前記数学式17を通して整理3を証明することができる。
本実施形態では、前記整理1〜3から2個のプリコーディング行列間の最大コーダル距離が1である点を考慮し、コーダル距離1の関係を有するプリコーディング行列のみを含むコードブックを設計することを考慮する。
前記表2で2個のプリコーディング行列間のコーダル距離1を満足するコードブックは、4個のプリコーディング行列を含む。
Claims (14)
- 端末がアップリンク信号を4個のアンテナを用いて伝送する方法において、
前記アップリンク信号を3個のレイヤーにマッピングするステップと、
前記3個のレイヤー信号のそれぞれにDFT拡散を行うステップと、
予め格納されたコードブックから選択された特定プリコーディング行列を用いて前記DFT拡散が行われた3個のレイヤー信号をプリコーディングするステップと、
前記のプリコーディングされた信号にSC―FDMAシンボル構成のための所定の処理を行うステップと、及び、
前記SC―FDMAシンボルを前記4個のアンテナを介して基地局に伝送するステップと、
を有し、
前記予め格納されたコードブックは、
- 前記予め格納されたコードブックは、前記6個のプリコーディング行列グループのそれぞれから選択された2個のプリコーディング行列を含む、請求項1に記載のアップリンク信号伝送方法。
- 前記予め格納されたコードブックは、前記6個のプリコーディング行列グループのそれぞれから選択され、X値が複素平面上で180°の位相差を有する2個のプリコーディング行列を含む、請求項2に記載のアップリンク信号伝送方法。
- 前記予め格納されたコードブックは、前記6個のプリコーディング行列グループのそれぞれで前記X値が1である1つのプリコーディング行列、及び前記6個のプリコーディング行列グループのそれぞれで前記X値が−1であるもう1つのプリコーディング行列を含む、請求項3に記載のアップリンク信号伝送方法。
- 多重アンテナを介してアップリンクで信号を伝送する端末装置において、
信号送受信用の4個アンテナと、
3個のレイヤー信号を前記4個のアンテナを介して伝送するのに用いられるコードブックを格納するメモリと、及び、
前記多重アンテナ及び前記メモリと接続されて前記アップリンク信号の伝送を処理するプロセッサと、
を有し、
前記プロセッサは、
前記アップリンク信号を前記3個のレイヤーにマッピングするレイヤーマッパーと、
前記3個のレイヤー信号のそれぞれにDFT拡散を行うDFTモジュールと、
前記メモリに格納された前記コードブックから選択された特定プリコーディング行列を用いて前記DFTモジュールから受信された前記DFT拡散が行われた3個のレイヤー信号をプリコーディングするプリコーダと、及び、
前記プリコーディングされた信号にSC―FDMAシンボル構成のための所定の処理を行い、前記処理された信号を前記4個のアンテナを介して基地局に伝送する伝送モジュールと、
を有し、
前記予め格納されたコードブックは、
- 前記メモリは、前記コードブックとして、前記6個のプリコーディング行列グループのそれぞれから選択された2個のプリコーディング行列を格納する、請求項6に記載の端末装置。
- 前記メモリは、前記コードブックとして、前記6個のプリコーディング行列グループのそれぞれから選択され、X値が複素平面上で180°の位相差を有する2個のプリコーディング行列を格納する、請求項7に記載の端末装置。
- 前記メモリは、前記コードブックとして、前記6個のプリコーディング行列グループのそれぞれで前記X値が1である1つのプリコーディング行列、及び前記6個のプリコーディング行列グループのそれぞれで前記X値が−1であるもう1つのプリコーディング行列を格納する、請求項8に記載の端末装置。
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US16893109P | 2009-04-13 | 2009-04-13 | |
US61/168,931 | 2009-04-13 | ||
US18166609P | 2009-05-28 | 2009-05-28 | |
US61/181,666 | 2009-05-28 | ||
US18306509P | 2009-06-01 | 2009-06-01 | |
US61/183,065 | 2009-06-01 | ||
US18431309P | 2009-06-05 | 2009-06-05 | |
US61/184,313 | 2009-06-05 | ||
US18483009P | 2009-06-07 | 2009-06-07 | |
US61/184,830 | 2009-06-07 | ||
US18519809P | 2009-06-09 | 2009-06-09 | |
US61/185,198 | 2009-06-09 | ||
US18638609P | 2009-06-12 | 2009-06-12 | |
US61/186,386 | 2009-06-12 | ||
US21939609P | 2009-06-23 | 2009-06-23 | |
US61/219,396 | 2009-06-23 | ||
KR1020100031369A KR101670744B1 (ko) | 2009-04-13 | 2010-04-06 | 최적화된 랭크 3 코드북을 이용한 상향링크 신호 송수신 |
KR10-2010-0031369 | 2010-04-06 | ||
PCT/KR2010/002261 WO2010120089A2 (en) | 2009-04-13 | 2010-04-13 | Uplink signal transmission and reception using optimized rank 3 codebook |
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Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101670744B1 (ko) | 2009-04-13 | 2016-11-09 | 엘지전자 주식회사 | 최적화된 랭크 3 코드북을 이용한 상향링크 신호 송수신 |
WO2010124445A1 (zh) * | 2009-04-27 | 2010-11-04 | 华为技术有限公司 | 码本、码本生成方法、基于码本的上行发射方法及设备 |
KR20100136888A (ko) * | 2009-06-19 | 2010-12-29 | 삼성전자주식회사 | 다중 입출력 시스템에서 코드북을 이용한 통신 방법 및 이를 위한 장치 |
US8493836B2 (en) * | 2009-06-26 | 2013-07-23 | Lg Electronics Inc. | Method and apparatus for transmitting uplink signals using optimized rank 3 codebook |
CN102984102B (zh) * | 2011-09-02 | 2016-09-07 | 华为技术有限公司 | 上行数据发送、上行数据处理方法、终端及基站 |
KR20130134873A (ko) * | 2012-05-31 | 2013-12-10 | 삼성전자주식회사 | 무선통신 시스템에서 송신 방법 및 장치 |
KR101399794B1 (ko) * | 2012-10-23 | 2014-05-27 | 고려대학교 산학협력단 | 양방향 중계 채널에서 Physical Network Coding을 위한 제한된 피드백 방법 및 장치 |
KR102184075B1 (ko) * | 2013-08-07 | 2020-11-27 | 엘지전자 주식회사 | 간섭 회피를 위해 데이터 심볼 변환하는 방법 및 장치 |
WO2016124457A1 (en) * | 2015-02-02 | 2016-08-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Selective codeword-to-layer mapping for mimo transmissions |
US10320541B2 (en) | 2015-04-09 | 2019-06-11 | Lg Electronics Inc. | Device for transmitting data in wireless communication system |
US11769131B2 (en) | 2017-02-02 | 2023-09-26 | Thomas Edward Griffith | Financial processing and data management system and method |
JP7237832B2 (ja) * | 2017-07-12 | 2023-03-13 | 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 | 送信装置および送信方法 |
US11863259B2 (en) * | 2021-10-22 | 2024-01-02 | Lenovo (Singapore) Pte. Ltd. | Determining a precoder for wireless communications |
US11616611B1 (en) | 2021-10-22 | 2023-03-28 | Lenovo (Singapore) Pte. Ltd. | Precoding wireless communications |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080292013A1 (en) * | 2007-05-23 | 2008-11-27 | Texas Instruments Incorporated | Nested precoding codebook structures for mimo systems |
JP2012517761A (ja) * | 2009-02-13 | 2012-08-02 | エルジー エレクトロニクス インコーポレイティド | 多重アンテナシステムにおけるデータ送信方法及び装置 |
JP2012519453A (ja) * | 2009-03-03 | 2012-08-23 | インテル コーポレイション | 差分コードブック、mimoビームフォーミングシステム及び量子化誤差削減方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7593357B2 (en) * | 2002-03-28 | 2009-09-22 | Interdigital Technology Corporation | Transmit processing using receiver functions |
RU2359413C2 (ru) | 2002-10-25 | 2009-06-20 | Квэлкомм Инкорпорейтед | Обнаружение и демодуляция данных для систем беспроводной связи |
US7257167B2 (en) * | 2003-08-19 | 2007-08-14 | The University Of Hong Kong | System and method for multi-access MIMO channels with feedback capacity constraint |
US8107549B2 (en) | 2005-11-30 | 2012-01-31 | Qualcomm, Incorporated | Multi-stage receiver for wireless communication |
KR100918747B1 (ko) | 2006-02-07 | 2009-09-24 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 방식을 사용하는 이동 통신시스템에서 상향링크 신호 송신 장치 및 방법 |
CN101444057B (zh) | 2006-03-17 | 2013-04-24 | 北电网络有限公司 | 发射和接收mimo信号的系统和方法 |
WO2008068582A2 (en) * | 2006-12-01 | 2008-06-12 | Nortel Networks Limited | Antenna selection and soft demapping for mimo decoding |
US8451915B2 (en) | 2007-03-21 | 2013-05-28 | Samsung Electronics Co., Ltd. | Efficient uplink feedback in a wireless communication system |
EP3444969B1 (en) * | 2007-03-22 | 2020-02-19 | Marvell World Trade Ltd. | Variable codebook for mimo system |
US8184732B2 (en) * | 2007-05-01 | 2012-05-22 | Broadcom Corporation | Method and system for codebook design for pre-coding techniques |
US8014265B2 (en) | 2007-08-15 | 2011-09-06 | Qualcomm Incorporated | Eigen-beamforming for wireless communication systems |
KR20090030200A (ko) * | 2007-09-19 | 2009-03-24 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩을 이용한 데이터 송수신 방법 및이를 지원하는 송수신기 |
TWI506976B (zh) * | 2008-07-02 | 2015-11-01 | Interdigital Patent Holdings | 多輸入多輸出通信的秩及預編碼矩陣測量及報告方法及裝置 |
KR101638900B1 (ko) * | 2008-08-05 | 2016-07-12 | 엘지전자 주식회사 | 무선 통신 시스템에서 하향링크 멀티 캐리어에 대한 제어정보를 전송하는 방법 |
WO2010018969A2 (en) * | 2008-08-11 | 2010-02-18 | Lg Electronics Inc. | Method and apparatus for transmitting uplink signals using multi-antenna |
KR101549021B1 (ko) * | 2008-08-20 | 2015-09-01 | 엘지전자 주식회사 | 상향링크 papr을 줄이기 위한 프리코딩 방법 및 이를 위한 장치 |
KR101707680B1 (ko) * | 2008-12-21 | 2017-02-17 | 엘지전자 주식회사 | 무선 통신 시스템에서 정보 전송 장치 및 방법 |
KR101673497B1 (ko) * | 2009-01-05 | 2016-11-07 | 마벨 월드 트레이드 리미티드 | Mimo 통신 시스템을 위한 프리코딩 코드북들 |
KR101644433B1 (ko) * | 2009-02-13 | 2016-08-01 | 엘지전자 주식회사 | 4 안테나 시스템에서 상향링크 프리코딩 수행 방법 |
US8451932B2 (en) * | 2009-02-23 | 2013-05-28 | Texas Instruments Incorporated | Precoding codebook design for single user MIMO |
US20100232384A1 (en) * | 2009-03-13 | 2010-09-16 | Qualcomm Incorporated | Channel estimation based upon user specific and common reference signals |
KR101670744B1 (ko) | 2009-04-13 | 2016-11-09 | 엘지전자 주식회사 | 최적화된 랭크 3 코드북을 이용한 상향링크 신호 송수신 |
KR20110111855A (ko) * | 2010-04-05 | 2011-10-12 | 주식회사 팬택 | 채널상태정보 피드백 장치와 그 방법, 기지국 |
KR20110111962A (ko) * | 2010-04-06 | 2011-10-12 | 주식회사 팬택 | 무선통신시스템에서의 전송장치, 수신장치, 정보 전송방법, 정보 수신방법 및 기록매체 |
-
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080292013A1 (en) * | 2007-05-23 | 2008-11-27 | Texas Instruments Incorporated | Nested precoding codebook structures for mimo systems |
JP2012517761A (ja) * | 2009-02-13 | 2012-08-02 | エルジー エレクトロニクス インコーポレイティド | 多重アンテナシステムにおけるデータ送信方法及び装置 |
JP2012519453A (ja) * | 2009-03-03 | 2012-08-23 | インテル コーポレイション | 差分コードブック、mimoビームフォーミングシステム及び量子化誤差削減方法 |
Non-Patent Citations (12)
Title |
---|
CSNC201110015214; LG Electronics: 'Uplink Codebook for 4Tx SU-MIMO' 3GPP R1-092507 , 20090703 * |
CSNC201110015633; Texas Instruments: '4Tx Codebook for UL SU-MIMO: Rank-3' 3GPP R1-092949 , 20090703 * |
CSNC201110017156; Philips: 'CSI feedback improvements for LTE-A based on multiple codebooks' 3GPP R1-091288 , 20090327 * |
CSNC201110017169; Texas Instruments: 'Codebook Design for 4Tx Uplink SU-MIMO' 3GPP R1-091301 , 20090327 * |
CSNC201110017326; Qualcomm Europe: 'Precoding Design for LTE-A Uplink MIMO Operation' 3GPP R1-091465 , 20090327 * |
JPN6013061249; Qualcomm Europe: 'Precoding Design for LTE-A Uplink MIMO Operation' 3GPP R1-091465 , 20090327 * |
JPN6013061251; Takamichi Inoue et al.: 'Performance Evaluation of Clustered DFT-S-OFDM and N x DFT-S-OFDM' 2009年電子情報通信学会総合大会講演論文集 通信1 , 20090304, p.475 * |
JPN6013061253; Philips: 'CSI feedback improvements for LTE-A based on multiple codebooks' 3GPP R1-091288 , 20090327 * |
JPN6013061255; LG Electronics: 'Uplink Codebook for 4Tx SU-MIMO' 3GPP R1-092507 , 20090703 * |
JPN6013061257; Texas Instruments: '4Tx Codebook for UL SU-MIMO: Rank-3' 3GPP R1-092949 , 20090703 * |
JPN6013061259; Ericsson: 'Uplink SU-MIMO in LTE-Advanced' 3GPP R1-090377 , 20090116 * |
JPN6013061262; Texas Instruments: 'Codebook Design for 4Tx Uplink SU-MIMO' 3GPP R1-091301 , 20090327 * |
Also Published As
Publication number | Publication date |
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CN102362440A (zh) | 2012-02-22 |
CN102362440B (zh) | 2016-08-03 |
US9007885B2 (en) | 2015-04-14 |
US9154343B2 (en) | 2015-10-06 |
US9596015B2 (en) | 2017-03-14 |
JP5587976B2 (ja) | 2014-09-10 |
EP2420006A4 (en) | 2012-10-10 |
KR101670744B1 (ko) | 2016-11-09 |
US20120170516A1 (en) | 2012-07-05 |
US9294175B2 (en) | 2016-03-22 |
CA2755399C (en) | 2015-06-23 |
EP2420006A2 (en) | 2012-02-22 |
US20150365149A1 (en) | 2015-12-17 |
RU2476995C1 (ru) | 2013-02-27 |
MX2011009121A (es) | 2011-09-26 |
KR20100113453A (ko) | 2010-10-21 |
EP2420006B1 (en) | 2018-05-30 |
US20160164585A1 (en) | 2016-06-09 |
US20150188735A1 (en) | 2015-07-02 |
CA2755399A1 (en) | 2010-10-21 |
WO2010120089A3 (en) | 2011-01-20 |
WO2010120089A2 (en) | 2010-10-21 |
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