CN104380629B - 信道状态信息(csi)反馈及码本子采样 - Google Patents
信道状态信息(csi)反馈及码本子采样 Download PDFInfo
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- CN104380629B CN104380629B CN201480001543.3A CN201480001543A CN104380629B CN 104380629 B CN104380629 B CN 104380629B CN 201480001543 A CN201480001543 A CN 201480001543A CN 104380629 B CN104380629 B CN 104380629B
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- 238000000034 method Methods 0.000 claims abstract description 49
- 239000011159 matrix material Substances 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 28
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- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 83
- 238000013461 design Methods 0.000 description 22
- 101000577065 Arabidopsis thaliana Mannose-6-phosphate isomerase 2 Proteins 0.000 description 18
- QLBALZYOTXGTDQ-VFFCLECNSA-N PGI2-EA Chemical compound O1\C(=C/CCCC(=O)NCCO)C[C@@H]2[C@@H](/C=C/[C@@H](O)CCCCC)[C@H](O)C[C@@H]21 QLBALZYOTXGTDQ-VFFCLECNSA-N 0.000 description 18
- 101150090068 PMII gene Proteins 0.000 description 12
- 238000005728 strengthening Methods 0.000 description 8
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- 101000577063 Arabidopsis thaliana Mannose-6-phosphate isomerase 1 Proteins 0.000 description 6
- 101001094831 Homo sapiens Phosphomannomutase 2 Proteins 0.000 description 6
- 102100025022 Mannose-6-phosphate isomerase Human genes 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
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- 101150069124 RAN1 gene Proteins 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0478—Special codebook structures directed to feedback optimisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
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- H—ELECTRICITY
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- H04B—TRANSMISSION
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
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- H—ELECTRICITY
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- H04B7/00—Radio transmission systems, i.e. using radiation field
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- 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
- H04B7/0617—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 for beam forming
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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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- H—ELECTRICITY
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- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
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- 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
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
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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
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
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- H04B—TRANSMISSION
- 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
- H04B7/0658—Feedback reduction
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- H—ELECTRICITY
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- H04B—TRANSMISSION
- 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
- H04B7/0658—Feedback reduction
- H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B7/0697—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 spatial multiplexing
-
- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (21)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610354716.0A CN105939169B (zh) | 2013-06-07 | 2014-06-05 | 信道状态信息(csi)反馈及码本子采样 |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361832635P | 2013-06-07 | 2013-06-07 | |
US61/832635 | 2013-06-07 | ||
US201361864082P | 2013-08-09 | 2013-08-09 | |
US61/864082 | 2013-08-09 | ||
US14/295422 | 2014-06-04 | ||
US14/295,422 US9847818B2 (en) | 2013-06-07 | 2014-06-04 | Channel state information (CSI) feedback and subsampling |
PCT/US2014/040978 WO2014197644A1 (en) | 2013-06-07 | 2014-06-05 | Channel state information (csi) feedback and codebook subsampling |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610354716.0A Division CN105939169B (zh) | 2013-06-07 | 2014-06-05 | 信道状态信息(csi)反馈及码本子采样 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104380629A CN104380629A (zh) | 2015-02-25 |
CN104380629B true CN104380629B (zh) | 2016-05-25 |
Family
ID=52005412
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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CN201480001543.3A Active CN104380629B (zh) | 2013-06-07 | 2014-06-05 | 信道状态信息(csi)反馈及码本子采样 |
CN201610354716.0A Active CN105939169B (zh) | 2013-06-07 | 2014-06-05 | 信道状态信息(csi)反馈及码本子采样 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610354716.0A Active CN105939169B (zh) | 2013-06-07 | 2014-06-05 | 信道状态信息(csi)反馈及码本子采样 |
Country Status (13)
Country | Link |
---|---|
US (4) | US20140362940A1 (zh) |
EP (3) | EP2875595A4 (zh) |
JP (4) | JP5874862B2 (zh) |
KR (2) | KR101553995B1 (zh) |
CN (2) | CN104380629B (zh) |
AU (1) | AU2014262186B2 (zh) |
CA (1) | CA2874023C (zh) |
ES (1) | ES2568073T3 (zh) |
HK (1) | HK1207488A1 (zh) |
IL (1) | IL235775A (zh) |
RU (3) | RU2637507C1 (zh) |
WO (3) | WO2014197642A1 (zh) |
ZA (1) | ZA201500806B (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104184560A (zh) * | 2013-05-24 | 2014-12-03 | 中兴通讯股份有限公司 | 信道状态信息反馈方法和终端 |
WO2014196822A1 (ko) * | 2013-06-05 | 2014-12-11 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널상태정보 전송 방법 및 장치 |
US20140362940A1 (en) * | 2013-06-07 | 2014-12-11 | Nec Laboratories America, Inc. | Channel State Information (CSI) Feedback and Subsampling |
CN105099604B (zh) * | 2014-05-07 | 2018-11-20 | 中兴通讯股份有限公司 | 信道状态反馈信息反馈方法、终端、基站及通信系统 |
US10694496B2 (en) | 2014-11-07 | 2020-06-23 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting group message to user equipment (UE) |
CN106301490B (zh) * | 2015-05-15 | 2021-08-13 | 索尼公司 | 无线通信系统以及无线通信系统中的装置和方法 |
US10361763B2 (en) | 2015-08-20 | 2019-07-23 | Samsung Electronics Co., Ltd. | Channel state information feedback method and device in wireless communication system |
WO2017034169A1 (ko) * | 2015-08-23 | 2017-03-02 | 엘지전자 주식회사 | 무선 통신 시스템에서 코드북을 이용한 동기 신호 전송 방법 |
CN106685496A (zh) * | 2015-11-06 | 2017-05-17 | 北京信威通信技术股份有限公司 | 一种多输入输出系统中反馈信道状态信息的方法 |
CN107181514B (zh) * | 2016-03-11 | 2020-09-15 | 电信科学技术研究院 | 一种csi反馈方法、预编码方法及装置 |
CN109565323B (zh) * | 2016-09-26 | 2022-08-02 | Lg 电子株式会社 | 在无线通信系统中发送/接收信道状态信息的方法及其装置 |
WO2018082459A1 (zh) * | 2016-11-04 | 2018-05-11 | 华为技术有限公司 | 信息反馈方法、用户设备和网络设备 |
CN110545130B (zh) | 2016-11-04 | 2020-08-07 | 华为技术有限公司 | 信道状态信息接收方法、用户设备和网络设备 |
EP3579447B1 (en) * | 2017-01-31 | 2021-12-15 | LG Electronics Inc. | Method for periodically transmitting uplink control information in wireless communication system and apparatus for same |
KR102189161B1 (ko) * | 2017-03-07 | 2020-12-09 | 삼성전자주식회사 | 다중 안테나 시스템에서의 피드백 장치 및 방법 |
CN109150266A (zh) * | 2017-06-16 | 2019-01-04 | 华为技术有限公司 | 信道状态信息的传输方法、接入网设备和终端设备 |
CN109391407B (zh) * | 2017-08-10 | 2020-06-23 | 电信科学技术研究院 | 一种信道状态信息csi反馈方法和资源分配方法及设备 |
US10819410B2 (en) * | 2018-04-06 | 2020-10-27 | Qualcomm Incorporated | Selecting physical uplink control channel (PUCCH) resources for channel state information |
WO2020061964A1 (en) * | 2018-09-27 | 2020-04-02 | Nokia Shanghai Bell Co., Ltd. | Apparatus, method and computer program on csi overhead reduction |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101944985A (zh) * | 2010-09-20 | 2011-01-12 | 中兴通讯股份有限公司 | 一种信道状态信息反馈方法 |
CN103119859A (zh) * | 2010-09-26 | 2013-05-22 | Lg电子株式会社 | 在支持多个天线的无线通信系统中的有效反馈的方法和设备 |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PT2052468E (pt) | 2006-08-18 | 2015-12-07 | Qualcomm Inc | Retorno da indicação de controlo de pré-codificação (pci) e da indicação de qualidade de canal (cqi) num sistema de comunicação sem fios |
US8236983B2 (en) * | 2008-03-13 | 2012-08-07 | Board Of Regents, The University Of Texas System | Composition and method for the treatment of diseases affected by apoptosis |
KR20090130206A (ko) | 2007-04-20 | 2009-12-18 | 인터디지탈 테크날러지 코포레이션 | Mimo 통신에 대한 효과적인 프리코딩 정보 검증을 위한 방법 및 장치 |
US8630184B2 (en) | 2007-08-15 | 2014-01-14 | Qualcomm Incorporated | Uplink control channel format |
US8045508B2 (en) | 2008-02-14 | 2011-10-25 | Lg Electronics Inc. | Rank feedback method for multiple-input multiple-output transmission |
US20110103510A1 (en) * | 2009-04-23 | 2011-05-05 | Qualcomm Incorporated | Rank and precoding indication for mimo operation |
US8526519B2 (en) | 2009-12-14 | 2013-09-03 | Texas Instruments Incorporated | Multi-rank precoding matrix indicator (PMI) feedback in a multiple-input multiple-output (MIMO) system |
KR101871707B1 (ko) | 2010-04-02 | 2018-06-27 | 엘지전자 주식회사 | 무선통신 시스템에서 채널상태정보 피드백 하는 단말 장치 및 그 방법 |
KR101817724B1 (ko) * | 2010-04-30 | 2018-02-21 | 삼성전자주식회사 | 각 리포팅 모드에 대응하는 코드북을 사용하는 다중 입출력 통신 시스템 |
CN102255703B (zh) | 2010-05-19 | 2014-07-16 | 华为技术有限公司 | 一种预编码信息的发送和接收方法及装置 |
US8639198B2 (en) | 2010-06-30 | 2014-01-28 | Samsung Electronics Co., Ltd. | Systems and methods for 8-TX codebook and feedback signaling in 3GPP wireless networks |
US20120220286A1 (en) | 2010-08-17 | 2012-08-30 | Texas Instruments Incorporated | Periodic Channel Quality Indicator on Physical Uplink Control Channel for Carrier Aggregation |
BR112013004549B1 (pt) | 2010-08-26 | 2021-06-08 | Huawei Technologies Co., Ltd | método e sistema para pré-codificação, equipamento de usuário, transmissor e meio legível por computador |
US8693421B2 (en) | 2010-09-02 | 2014-04-08 | Texas Instruments Incorporated | Downlink 8 TX codebook sub-sampling for CSI feedback |
CN101969361B (zh) * | 2010-09-30 | 2015-06-03 | 中兴通讯股份有限公司 | 传输周期反馈报告的方法和装置 |
US8913674B2 (en) | 2010-10-04 | 2014-12-16 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting and receiving codebook subset restriction bitmap |
JP2012100254A (ja) | 2010-10-06 | 2012-05-24 | Marvell World Trade Ltd | Pucchフィードバックのためのコードブックサブサンプリング |
US8687727B2 (en) | 2010-11-05 | 2014-04-01 | Intel Corporation | Coordinated multi-point transmission using interference feedback |
US9119101B2 (en) | 2010-12-17 | 2015-08-25 | Samsung Electronics Co., Ltd. | Apparatus and method for periodic channel state reporting in a wireless network |
EP2704342B1 (en) * | 2011-04-26 | 2016-03-23 | LG Electronics Inc. | Channel state information transmission in a wireless access system supporting multiple cells. |
US20130088978A1 (en) | 2011-10-07 | 2013-04-11 | Nokia Siemens Networks Oy | Joint Encoding of Rank and CQI Feedback For Comp |
WO2013068916A1 (en) * | 2011-11-07 | 2013-05-16 | Marvell World Trade Ltd. | Codebook sub-sampling for frequency-selective precoding feedback |
KR101607416B1 (ko) | 2011-11-07 | 2016-03-29 | 모토로라 모빌리티 엘엘씨 | 조정된 멀티-포인트 전송을 이용한 직교 주파수 분할 멀티플렉싱 통신 시스템에서의 공동 프로세싱 방식을 위한 csi 피드백을 위한 방법 및 장치 |
CN102368698B (zh) * | 2011-11-10 | 2014-04-16 | 电信科学技术研究院 | 一种预编码矩阵指示pmi信息的传输方法及装置 |
JP5981253B2 (ja) * | 2012-07-25 | 2016-08-31 | 東芝シュネデール・インバータ株式会社 | インバータ装置 |
US9143212B2 (en) * | 2013-02-25 | 2015-09-22 | Texas Instruments Incorporated | Codebook sub-sampling for CSI feedback on PUCCH for 4Tx MIMO |
SG11201506671VA (en) * | 2013-04-29 | 2015-11-27 | Lg Electronics Inc | Method and apparatus for transmitting channel state information in wireless communication system |
US20140362940A1 (en) | 2013-06-07 | 2014-12-11 | Nec Laboratories America, Inc. | Channel State Information (CSI) Feedback and Subsampling |
KR102160008B1 (ko) * | 2013-06-17 | 2020-09-25 | 삼성전자 주식회사 | 채널 상태 정보 송수신 방법 및 장치 |
US9270819B2 (en) * | 2013-08-01 | 2016-02-23 | Gable Baldridge | Dialer detection and conversational traffic differentiation for the purpose of optimal call termination |
-
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101944985A (zh) * | 2010-09-20 | 2011-01-12 | 中兴通讯股份有限公司 | 一种信道状态信息反馈方法 |
CN103119859A (zh) * | 2010-09-26 | 2013-05-22 | Lg电子株式会社 | 在支持多个天线的无线通信系统中的有效反馈的方法和设备 |
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