SG10201503104PA - Method and apparatus for efficient precoding information validation for mimo communications - Google Patents

Method and apparatus for efficient precoding information validation for mimo communications

Info

Publication number
SG10201503104PA
SG10201503104PA SG10201503104PA SG10201503104PA SG10201503104PA SG 10201503104P A SG10201503104P A SG 10201503104PA SG 10201503104P A SG10201503104P A SG 10201503104PA SG 10201503104P A SG10201503104P A SG 10201503104PA SG 10201503104P A SG10201503104P A SG 10201503104PA
Authority
SG
Singapore
Prior art keywords
precoding information
mimo communications
information validation
efficient precoding
efficient
Prior art date
Application number
SG10201503104PA
Other languages
English (en)
Inventor
Kyle Jung-Lin Pan
Original Assignee
Interdigital Tech Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of SG10201503104PA publication Critical patent/SG10201503104PA/en

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Classifications

    • 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
    • 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
    • H04B7/0452—Multi-user MIMO systems
    • 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
    • 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
    • H04B7/0652—Feedback error handling
    • 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
    • H04B7/0658—Feedback reduction
    • 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
    • H04B7/0665—Feed forward of transmit weights to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
SG10201503104PA 2007-04-20 2008-04-21 Method and apparatus for efficient precoding information validation for mimo communications SG10201503104PA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91314507P 2007-04-20 2007-04-20

Publications (1)

Publication Number Publication Date
SG10201503104PA true SG10201503104PA (en) 2015-06-29

Family

ID=39708289

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201503104PA SG10201503104PA (en) 2007-04-20 2008-04-21 Method and apparatus for efficient precoding information validation for mimo communications

Country Status (18)

Country Link
US (2) US9716604B2 (ru)
EP (4) EP2568640B1 (ru)
JP (4) JP2010525684A (ru)
KR (5) KR101494731B1 (ru)
CN (2) CN101689962B (ru)
AR (1) AR066220A1 (ru)
AU (1) AU2008242610A1 (ru)
BR (1) BRPI0809746B1 (ru)
CA (1) CA2684874C (ru)
ES (1) ES2563427T3 (ru)
HK (2) HK1203716A1 (ru)
IL (1) IL201649A (ru)
MX (1) MX2009011299A (ru)
MY (1) MY159052A (ru)
RU (1) RU2438251C2 (ru)
SG (1) SG10201503104PA (ru)
TW (3) TWI455541B (ru)
WO (1) WO2008131352A1 (ru)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101382894B1 (ko) 2007-03-12 2014-04-08 엘지전자 주식회사 다중 안테나 시스템에서의 제어정보 전송방법
EP2568640B1 (en) * 2007-04-20 2014-07-09 InterDigital Technology Corporation Method and apparatus for efficient precoding information validation for MIMI communications
KR101347334B1 (ko) * 2007-06-14 2014-01-06 삼성전자주식회사 다수의 이동국에 대한 다중 입출력을 지원하는 이동통신시스템에서 자동재송요구를 지원하는 응답문자 전송방법
JP4729537B2 (ja) 2007-06-19 2011-07-20 株式会社エヌ・ティ・ティ・ドコモ 基地局装置および送信方法
EP2163004B1 (en) 2007-06-27 2015-02-25 Unwired Planet International Limited Method and arrangements in a telecommunication system
KR101397341B1 (ko) * 2007-08-21 2014-06-19 엘지전자 주식회사 다중안테나 시스템에서의 데이터 전송 방법
TW200917699A (en) * 2007-10-08 2009-04-16 Interdigital Patent Holdings Method and apparatus for signaling interference information for multi-user MIMO
JP5226011B2 (ja) * 2007-12-25 2013-07-03 パナソニック株式会社 端末装置および復調方法
KR100991792B1 (ko) 2007-12-31 2010-11-04 엘지전자 주식회사 협력적 다중 입출력 방식 신호 송수신 방법
JP4652420B2 (ja) * 2008-01-08 2011-03-16 株式会社エヌ・ティ・ティ・ドコモ ユーザ装置、送信方法、および移動通信システム
CN101499986B (zh) * 2008-01-31 2012-05-09 富士通株式会社 基站及基站中使用的调度方法
KR101314876B1 (ko) 2008-03-19 2013-10-04 닛본 덴끼 가부시끼가이샤 무선 통신 시스템, 무선 통신의 설정 방법, 기지국, 이동국 및 프로그램이 기록된 기록매체
US8199836B2 (en) * 2008-05-02 2012-06-12 Nec Laboratories America, Inc. Multi-resolution precoding codebook
WO2010143780A2 (ko) * 2009-06-10 2010-12-16 한국전자통신연구원 다중 셀 협력 통신 시스템 및 단말 장치
KR101561704B1 (ko) 2008-06-10 2015-10-20 한국전자통신연구원 다중 셀 협력 통신 시스템 및 단말 장치
EP2141824B1 (en) 2008-06-30 2012-03-07 Alcatel Lucent Method of assigning precoding vectors in a mobile cellular network
EP2141825A1 (en) * 2008-06-30 2010-01-06 Alcatel, Lucent Method of reducing intra-cell spatial interference in a mobile cellular network
US8254318B2 (en) * 2008-07-11 2012-08-28 Alcatel Lucent Wireless communication system and method of joint beamforming wireless communication
EP2151941A1 (en) * 2008-08-05 2010-02-10 Nokia Siemens Networks OY Communication network element and method transmitting data
US8204453B2 (en) 2008-08-20 2012-06-19 Intel Mobile Communications GmbH Method, apparatus and communication unit
KR101549021B1 (ko) * 2008-08-20 2015-09-01 엘지전자 주식회사 상향링크 ｐａｐｒ을 줄이기 위한 프리코딩 방법 및 이를 위한 장치
KR101481589B1 (ko) * 2008-08-25 2015-01-12 엘지전자 주식회사 다중안테나를 갖는 무선 통신 시스템에서 피드백 정보 전송 방법, 데이터 전송 방법 및 데이터 전송 장치
WO2010061302A2 (en) * 2008-11-03 2010-06-03 Koninklijke Philips Electronics N.V. Antenna configuration for co-operative beamforming
US20100195748A1 (en) * 2009-02-02 2010-08-05 Samsung Electronics Co., Ltd. Method and system for reference signal pattern design in resource blocks
KR101587005B1 (ko) 2009-03-11 2016-02-02 삼성전자주식회사 다중안테나시스템에서 간섭완화를 위한 제어정보를 전송하기 위한 방법 및 장치
KR101753391B1 (ko) 2009-03-30 2017-07-04 엘지전자 주식회사 무선 통신 시스템에서 신호 전송 방법 및 장치
US20110103510A1 (en) * 2009-04-23 2011-05-05 Qualcomm Incorporated Rank and precoding indication for mimo operation
US9236985B2 (en) * 2009-04-23 2016-01-12 Qualcomm Incorporated Method and apparatus for control and data multiplexing in a MIMO communication system
US20110110455A1 (en) * 2009-04-23 2011-05-12 Qualcomm Incorporated Rank and precoding indication for mimo operation
US20110105137A1 (en) * 2009-04-23 2011-05-05 Qualcomm Incorporated Rank and precoding indication for mimo operation
WO2010130097A1 (zh) * 2009-05-14 2010-11-18 华为技术有限公司 信息处理方法、设备和系统
CN101902305B (zh) * 2009-05-25 2013-10-30 富士通株式会社 通信装置、通信方法和基站
US8848603B2 (en) * 2009-06-22 2014-09-30 Qualcomm Incorporated Precoding control channels in wireless networks
EP2451106B1 (en) * 2009-07-03 2019-02-20 Panasonic Intellectual Property Corporation of America Wireless communication device and wireless communication method
US9172561B2 (en) * 2009-07-29 2015-10-27 Qualcomm Incorporated Adaptive transmissions in coordinated multiple point communications
CN102035585B (zh) * 2009-09-28 2015-03-11 华为技术有限公司 协作中继系统中预编码方法、通信装置和中继装置
US8369439B2 (en) * 2009-09-30 2013-02-05 Alcatel Lucent Transmission of precoding codebook over an air interface
JP5149257B2 (ja) * 2009-10-02 2013-02-20 シャープ株式会社 無線通信システム、通信装置および無線通信方法
EP2494705A1 (en) * 2009-10-30 2012-09-05 Nokia Corp. Channel feedback to support efficient rank override
US8964657B2 (en) * 2009-11-02 2015-02-24 Qualcomm Incorporated Apparatus and method for joint encoding of user specific reference signal information in wireless communication
US20120270535A1 (en) * 2009-12-17 2012-10-25 Texas Instruments Incorporated Implicit CSI Feedback for DL Multiuser MIMO Transmission
US9253784B2 (en) 2010-01-11 2016-02-02 Samsung Electronics Co., Ltd. Method and system for enabling resource block bundling in LTE-A systems
JP2011166536A (ja) * 2010-02-10 2011-08-25 Sharp Corp 無線送信装置、基地局装置、無線送信方法、基地局装置の制御プログラムおよび集積回路
KR101793259B1 (ko) 2010-03-12 2017-11-02 한국전자통신연구원 무선 통신 시스템에서 다중 사용자에게 데이터 프레임을 전송하는 방법
US9130607B2 (en) 2010-03-30 2015-09-08 Qualcomm Incorporated Systems, apparatuses, and methods to facilitate coordinated scheduling in wireless communication systems
JP5785605B2 (ja) 2010-04-08 2015-09-30 エルジー エレクトロニクス インコーポレイティド 多重アンテナ支援無線通信システムにおいてコードブックを用いた信号伝送方法及び装置
JP5799083B2 (ja) * 2010-04-12 2015-10-21 エルジー エレクトロニクス インコーポレイティド 多重アンテナ支援無線通信システムにおいて効率的なフィードバック方法及び装置
US20110255483A1 (en) * 2010-04-16 2011-10-20 Research In Motion Limited Signaling of Precoding Granularity for LTE and LTE-A
RU2516596C1 (ru) * 2010-05-07 2014-05-20 Хуавэй Текнолоджиз Ко., Лтд. Способ и система для адаптации квантованной скорости обратной линии связи в системе связи
CN101834701B (zh) * 2010-05-12 2015-10-21 中兴通讯股份有限公司 一种实现多点协作传输的方法、系统和移动终端
US9148204B2 (en) * 2010-06-21 2015-09-29 Qualcomm Incorporated Physical resource block (PRB) bundling for open loop beamforming
ES2629311T3 (es) 2010-06-23 2017-08-08 Telefonaktiebolaget Lm Ericsson (Publ) Gestión de interferencias de señales de referencia en despliegues de redes heterogéneas
CN102447524B (zh) * 2010-10-11 2015-04-15 电信科学技术研究院 信息指示的方法及设备
CN101986588B (zh) * 2010-11-09 2016-03-30 中兴通讯股份有限公司 信道状态信息反馈方法及终端
CN102025450B (zh) * 2010-11-29 2015-06-03 中兴通讯股份有限公司 一种进行信道信息编码反馈的方法及移动终端
CN102623012B (zh) 2011-01-26 2014-08-20 华为技术有限公司 矢量联合编解码方法及编解码器
JP4800447B2 (ja) * 2011-03-01 2011-10-26 株式会社エヌ・ティ・ティ・ドコモ 基地局装置、送信方法及び移動通信システム
US9100067B2 (en) 2011-04-14 2015-08-04 Lg Electronics Inc. Method for suppressing interference of terminal in multiple input multiple output wireless communication system and apparatus therefor
WO2013133744A1 (en) * 2012-03-06 2013-09-12 Telefonaktiebolaget L M Ericsson (Publ) Data transmission in a multiple antenna system
US8842760B2 (en) * 2012-07-17 2014-09-23 Broadcom Corporation Enhanced multi user MIMO scheduling
US9008222B2 (en) * 2012-08-14 2015-04-14 Samsung Electronics Co., Ltd. Multi-user and single user MIMO for communication systems using hybrid beam forming
CN109547184A (zh) 2013-02-28 2019-03-29 华为技术有限公司 通信方法和装置
WO2014196823A1 (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
WO2015042171A1 (en) * 2013-09-18 2015-03-26 Jolata, Inc. Highly probable identification of related messages using sparse hash function sets
CN105450343B (zh) * 2014-08-30 2018-11-06 华为技术有限公司 一种预编码的方法、装置及系统
EP3172846A4 (en) * 2014-11-17 2018-04-04 Samsung Electronics Co., Ltd. Csi feedback for mimo wireless communication systems with polarized active antenna array
US10084579B2 (en) 2014-11-17 2018-09-25 Samsung Electronics Co., Ltd. CSI feedback for MIMO wireless communication systems with polarized active antenna array
US9647736B1 (en) * 2015-03-05 2017-05-09 Quantenna Communications, Inc. Compressed training for massive MU-MIMO in a wireless local area network
US10511361B2 (en) 2015-06-17 2019-12-17 Intel Corporation Method for determining a precoding matrix and precoding module
WO2017007238A1 (ko) * 2015-07-07 2017-01-12 엘지전자 주식회사 무선 통신 시스템에서 must 전송을 위한 유효 채널 측정 방법 및 이를 위한 장치
CN105790854B (zh) * 2016-03-01 2018-11-20 济南中维世纪科技有限公司 一种基于声波的短距离数据传输方法及装置
EP3535859B1 (en) * 2016-11-02 2024-04-10 Telefonaktiebolaget LM Ericsson (PUBL) Mechanism for switching between uplink and downlink training in hybrid beamforming systems
CN108631844B (zh) * 2017-03-24 2021-05-18 电信科学技术研究院 一种获取信道状态信息的方法、终端和网络侧设备
CN108811101B (zh) * 2017-05-04 2020-10-30 电信科学技术研究院 一种预编码矩阵指示方法、终端和网络侧设备
CN109391436B (zh) * 2017-08-12 2021-12-03 华为技术有限公司 预编码矩阵子集限制的方法和传输装置
US11569887B2 (en) * 2019-10-18 2023-01-31 Qualcomm Incorporated Precoding matrix identifier confirmation for post processing
WO2023122401A1 (en) * 2021-12-22 2023-06-29 Qualcomm Incorporated Synthesized synchronization system block beams

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6785341B2 (en) 2001-05-11 2004-08-31 Qualcomm Incorporated Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information
US7499709B2 (en) * 2002-02-07 2009-03-03 Alcatel-Lucent Usa Inc. Method and apparatus for closed loop transmit diversity in a wireless communications system
US7116944B2 (en) * 2002-02-07 2006-10-03 Lucent Technologies Inc. Method and apparatus for feedback error detection in a wireless communications systems
US7020494B2 (en) 2002-02-07 2006-03-28 Sap Aktiengesellschaft Integrating contextual information into mobile enterprise applications
KR100526542B1 (ko) * 2003-05-15 2005-11-08 삼성전자주식회사 이동 통신 시스템에서 다중안테나를 사용하는송신다이버시티 방식을 사용하여 데이터를 송수신하는장치 및 방법
WO2004110081A1 (en) 2003-06-10 2004-12-16 Nokia Corporation Method and apparatus for switching mobile station between autonomous and scheduled transmissions
US7773535B2 (en) * 2004-08-12 2010-08-10 Motorola, Inc. Method and apparatus for closed loop transmission
KR20060028989A (ko) 2004-09-30 2006-04-04 엘지전자 주식회사 다중입출력 시스템에 적용되는 신호 처리 방법
KR20060038812A (ko) * 2004-11-01 2006-05-04 엘지전자 주식회사 다중입출력 시스템의 선행 코딩 행렬 정보 전송 방법 및이를 이용한 신호 전송 방법
KR100909539B1 (ko) * 2004-11-09 2009-07-27 삼성전자주식회사 다중 안테나를 사용하는 광대역 무선 접속 시스템에서 다양한 다중안테나 기술을 지원하기 위한 장치 및 방법
WO2006075870A1 (en) * 2005-01-11 2006-07-20 Samsung Electronics Co., Ltd. Method and system for indicating data burst allocation in a wireless communication system
US9184870B2 (en) * 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
US20070165738A1 (en) * 2005-10-27 2007-07-19 Barriac Gwendolyn D Method and apparatus for pre-coding for a mimo system
US7949318B2 (en) * 2007-02-05 2011-05-24 Nec Laboratories America, Inc. Multi-rank beamforming precoding apparatus and method
KR20070108304A (ko) * 2005-10-31 2007-11-09 삼성전자주식회사 다중 송수신 안테나 시스템에서의 채널 품질 정보 송수신방법 및 장치
EP2854302A1 (en) * 2006-03-17 2015-04-01 Apple Inc. Closed-loop mimo systems and methods
US8914015B2 (en) * 2006-03-20 2014-12-16 Qualcomm Incorporated Grouping of users for MIMO transmission in a wireless communication system
US8041362B2 (en) * 2006-03-20 2011-10-18 Intel Corporation Downlink resource allocation and mapping
US20070263746A1 (en) * 2006-05-12 2007-11-15 Nokia Corporation Feedback frame structure for subspace tracking precoding
US20150030058A9 (en) * 2006-05-17 2015-01-29 Texas Instruments Inc. Cqi feedback for mimo deployments
US7949064B2 (en) * 2006-08-14 2011-05-24 Texas Instruments Incorporated Codebook and pre-coder selection for closed-loop mimo
CN101507139A (zh) * 2006-08-18 2009-08-12 高通股份有限公司 无线通信系统中预编码控制指示（pci）和信道质量指示（cqi）的反馈
WO2008031037A2 (en) * 2006-09-07 2008-03-13 Texas Instruments Incorporated Antenna grouping for mimo systems
US7995642B2 (en) * 2007-02-05 2011-08-09 Samsung Electronics Co., Ltd. Precoding signaling in a MIMO wireless communication system
US7916621B2 (en) * 2007-02-05 2011-03-29 Samsung Electronics Co., Ltd. MIMO control signaling in a wireless communication system
US7809074B2 (en) * 2007-03-16 2010-10-05 Freescale Semiconductor, Inc. Generalized reference signaling scheme for multi-user, multiple input, multiple output (MU-MIMO) using arbitrarily precoded reference signals
KR101382760B1 (ko) * 2007-03-21 2014-04-08 엘지전자 주식회사 다중 안테나를 이용한 통신시스템에서 코드북을 이용한데이터 전송방법
EP2130308B1 (en) * 2007-03-22 2018-12-19 Marvell World Trade Ltd. Variable codebook for mimo system
US7965785B2 (en) * 2007-04-04 2011-06-21 Ntt Docomo, Inc. Uplink multiple-input-multiple-output (MIMO) and cooperative MIMO transmissions
EP2568640B1 (en) * 2007-04-20 2014-07-09 InterDigital Technology Corporation Method and apparatus for efficient precoding information validation for MIMI communications
US8259824B2 (en) * 2007-05-23 2012-09-04 Texas Instruments Incorporated Nested precoding codebook structures for MIMO systems
US20080310356A1 (en) * 2007-06-15 2008-12-18 Zhijun Cai System and Method for Large Packet Delivery During Semi-Persistently Allocated Session
US8452296B2 (en) * 2007-06-18 2013-05-28 Motorola Mobility Llc Method and apparatus to facilitate use of default transmitter-receiver configurations
JP4729537B2 (ja) 2007-06-19 2011-07-20 株式会社エヌ・ティ・ティ・ドコモ 基地局装置および送信方法
ES2737324T3 (es) * 2007-10-08 2020-01-13 Ericsson Telefon Ab L M Procedimientos y disposiciones para señalizar información de control en un sistema de comunicación
US20090122857A1 (en) * 2007-11-09 2009-05-14 Interdigital Patent Holdings, Inc. Method and apparatus for performing rank overriding in long term evolution networks
BRPI0907996A2 (pt) * 2008-02-28 2017-09-26 Nortel Networks Ltd comunicação de uma estrutura de dados de realimentação que contem informação que identifica codificação a ser aplicada em sinalização de comunicação sem fio
US8724684B2 (en) * 2008-03-24 2014-05-13 Texas Instruments Incorporated CQI feedback structure
WO2011126447A1 (en) * 2010-04-07 2011-10-13 Telefonaktiebolaget L M Ericsson (Publ) A precoder structure for mimo precoding
US8842760B2 (en) * 2012-07-17 2014-09-23 Broadcom Corporation Enhanced multi user MIMO scheduling

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