TWI350666B - Method and system for a simplified user group selection scheme with finite-rate channel state information feedback for fdd multiuser mimo downlink transmission - Google Patents
Method and system for a simplified user group selection scheme with finite-rate channel state information feedback for fdd multiuser mimo downlink transmissionInfo
- Publication number
- TWI350666B TWI350666B TW095127734A TW95127734A TWI350666B TW I350666 B TWI350666 B TW I350666B TW 095127734 A TW095127734 A TW 095127734A TW 95127734 A TW95127734 A TW 95127734A TW I350666 B TWI350666 B TW I350666B
- Authority
- TW
- Taiwan
- Prior art keywords
- finite
- state information
- channel state
- downlink transmission
- user group
- Prior art date
Links
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
- H04B7/0452—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
- H04B7/06—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]
-
- 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
- H04B7/0636—Feedback format
- H04B7/0643—Feedback on request
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/232,340 US7826416B2 (en) | 2005-09-21 | 2005-09-21 | Method and system for a simplified user group selection scheme with finite-rate channel state information feedback for FDD multiuser MIMO downlink transmission |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200723916A TW200723916A (en) | 2007-06-16 |
TWI350666B true TWI350666B (en) | 2011-10-11 |
Family
ID=37600897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095127734A TWI350666B (en) | 2005-09-21 | 2006-07-28 | Method and system for a simplified user group selection scheme with finite-rate channel state information feedback for fdd multiuser mimo downlink transmission |
Country Status (5)
Country | Link |
---|---|
US (2) | US7826416B2 (zh) |
EP (1) | EP1768273B1 (zh) |
CN (1) | CN1937849B (zh) |
DE (1) | DE602006020530D1 (zh) |
TW (1) | TWI350666B (zh) |
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US7515878B2 (en) * | 2005-09-21 | 2009-04-07 | Broadcom Corporation | Method and system for greedy user group selection with range reduction for FDD multiuser MIMO downlink transmission with finite-rate channel state information feedback |
US8675760B2 (en) * | 2005-09-21 | 2014-03-18 | Broadcom Corporation | Method and system for selecting a user group using hybrid-quantized channel direction information feedbacks from MIMO capable mobile devices |
US7917100B2 (en) | 2005-09-21 | 2011-03-29 | Broadcom Corporation | Method and system for a double search user group selection scheme with range in TDD multiuser MIMO downlink transmission |
US7826416B2 (en) * | 2005-09-21 | 2010-11-02 | Broadcom Corporation | Method and system for a simplified user group selection scheme with finite-rate channel state information feedback for FDD multiuser MIMO downlink transmission |
US7917176B2 (en) * | 2006-02-14 | 2011-03-29 | Nec Laboratories America, Inc. | Structured codebook and successive beamforming for multiple-antenna systems |
US20070280116A1 (en) * | 2006-06-05 | 2007-12-06 | Hong Kong University Of Science And Technology | Adaptive multi-user mimo non-cooperative threshold-based wireless communication system using limited channel feedback |
JP4776685B2 (ja) * | 2006-07-07 | 2011-09-21 | 三菱電機株式会社 | 無線通信システムおよび通信制御方法 |
WO2008021392A2 (en) * | 2006-08-17 | 2008-02-21 | Interdigital Technology Corporation | Method and apparatus for reducing a peak-to-average power ratio in a multiple-input multiple-output system |
US7839835B2 (en) * | 2006-08-22 | 2010-11-23 | Nec Laboratories America, Inc. | Quantized precoding over a set of parallel channels |
US8059733B2 (en) * | 2006-12-20 | 2011-11-15 | Nec Laboratories America, Inc. | Multi-user downlink linear MIMO precoding systems |
IL180537A0 (en) * | 2007-01-04 | 2007-12-03 | Runcom Technologies Ltd | Mimo communication system and method |
KR100969753B1 (ko) * | 2007-03-26 | 2010-07-13 | 삼성전자주식회사 | 다중 입력 다중 출력 방식을 사용하는 무선 통신시스템에서 사전 부호화 장치 및 방법 |
US8655283B2 (en) | 2007-04-23 | 2014-02-18 | Lingna Holdings Pte., Llc | Cluster-based cooperative spectrum sensing in cognitive radio systems |
US8374275B2 (en) * | 2007-06-23 | 2013-02-12 | Panasonic Corporation | Method and system for communication channel optimization in a multiple-input multiple-output (MIMO) communication system |
CN101472298B (zh) * | 2007-12-24 | 2010-08-25 | 联想(北京)有限公司 | 时分双工多入多出下行发射系统的用户调度方法和装置 |
CN101540746B (zh) * | 2008-03-20 | 2013-06-05 | 电信科学技术研究院 | 时频信道量化方法和装置及对应的移动通信终端和系统 |
EP2124351B1 (en) * | 2008-05-20 | 2010-12-15 | NTT DoCoMo, Inc. | A spatial sub-channel selection and pre-coding apparatus |
KR101430981B1 (ko) * | 2008-10-13 | 2014-08-18 | 삼성전자주식회사 | Mimo 시스템에서 동적 채널 정보 전송 장치 및 방법 |
US8391392B2 (en) * | 2009-01-05 | 2013-03-05 | Marvell World Trade Ltd. | Precoding codebooks for MIMO communication systems |
US8838051B1 (en) | 2009-02-19 | 2014-09-16 | Qualcomm Incorporated | Transmitter beamforming power control |
US8264407B2 (en) | 2009-02-19 | 2012-09-11 | Qualcomm Atheros, Inc. | Transmitter beamforming steering matrix processing and storage |
KR101524689B1 (ko) * | 2009-03-03 | 2015-06-01 | 삼성전자주식회사 | 간섭 정렬을 위하여 선택적으로 간섭 채널들에 대한 정보를피드백하는 통신 시스템 및 그 방법 |
CN101867965B (zh) * | 2009-04-15 | 2014-01-01 | 中兴通讯股份有限公司 | 一种多用户多输入多输出中的用户终端配对方法及装置 |
CN101989867B (zh) * | 2009-07-30 | 2014-05-07 | 华为技术有限公司 | 一种协作通信的方法和系统、基站及移动终端装置 |
WO2011085540A1 (zh) | 2010-01-12 | 2011-07-21 | 富士通株式会社 | 空间信道状态反馈方法和装置 |
JP5473131B2 (ja) * | 2010-01-15 | 2014-04-16 | シャープ株式会社 | 通信システム、通信装置、通信方法およびそのプロセッサ |
CN101854235B (zh) * | 2010-04-06 | 2013-04-10 | 中国人民解放军信息工程大学 | 一种多入多出系统中用户选择方法及装置 |
EP2410705B1 (en) * | 2010-07-20 | 2015-08-19 | NTT DoCoMo, Inc. | Apparatus and method for calculating receive parameters for an MIMO system |
US8194687B2 (en) | 2010-07-23 | 2012-06-05 | Intel Corporation | Access point configured for station group management and method for managing station-management groups |
US9007263B2 (en) * | 2010-09-09 | 2015-04-14 | Qualcomm Incorporated | Phase rotation techniques in a multi-user wireless communication environment |
KR101813601B1 (ko) * | 2011-02-24 | 2017-12-29 | 삼성전자주식회사 | 이동통신 시스템에서 제한적 피드백 기반 공동 처리 및 전송에서의 전처리 모드 선택을 위한 방법 및 장치 |
CN103368698B (zh) * | 2012-03-31 | 2017-07-14 | 华为技术有限公司 | 一种多输入多输出mimo预编码方法、设备及系统 |
US9838227B2 (en) * | 2013-04-09 | 2017-12-05 | Interdigital Patent Holdings, Inc. | Joint precoding and multivariate backhaul compression for the downlink of cloud radio access networks |
US10547435B2 (en) | 2016-03-14 | 2020-01-28 | Industrial Technology Research Institute | Configuration and measurement method for performing a full-duplex communication and base station using the same |
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CN100355231C (zh) * | 2003-12-19 | 2007-12-12 | 上海贝尔阿尔卡特股份有限公司 | 多载波系统中具有混合自动重传请求的数据传输方法 |
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CN100353730C (zh) * | 2004-08-26 | 2007-12-05 | 浙江大学 | 具有可变子载波数目的自适应正交频分复用传输方法和系统 |
CN1741412B (zh) * | 2004-08-27 | 2011-06-08 | 清华大学 | 无线网络中子信道分配的方法 |
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CN1870459A (zh) * | 2005-05-24 | 2006-11-29 | 松下电器产业株式会社 | 联合脏纸编码与调度的多用户多输入多输出跨层通信方法 |
US7630337B2 (en) | 2005-09-21 | 2009-12-08 | Broadcom Corporation | Method and system for an improved user group selection scheme with finite-rate channel state information feedback for FDD multiuser MIMO downlink transmission |
US7826416B2 (en) | 2005-09-21 | 2010-11-02 | Broadcom Corporation | Method and system for a simplified user group selection scheme with finite-rate channel state information feedback for FDD multiuser MIMO downlink transmission |
US8675760B2 (en) | 2005-09-21 | 2014-03-18 | Broadcom Corporation | Method and system for selecting a user group using hybrid-quantized channel direction information feedbacks from MIMO capable mobile devices |
US8279960B2 (en) | 2007-05-23 | 2012-10-02 | Samsung Electronics Co., Ltd. | Multiple-input multiple-output communication method and multiple-input multiple-output communication system of enabling the method |
US20080317145A1 (en) | 2007-06-25 | 2008-12-25 | Bruno Clerckx | Multiple input multiple output communication system and a method of adaptively generating codebook |
EP2124351B1 (en) | 2008-05-20 | 2010-12-15 | NTT DoCoMo, Inc. | A spatial sub-channel selection and pre-coding apparatus |
US8130666B2 (en) | 2008-06-30 | 2012-03-06 | Samsung Electronics Co., Ltd. | Multiple input multiple output communication system and operating method thereof |
US7764746B2 (en) | 2008-08-19 | 2010-07-27 | Samsung Electronics Co., Ltd. | User terminal and base station using adapted codebook according to polarization |
US8649455B2 (en) | 2008-10-20 | 2014-02-11 | Samsung Electronics Co., Ltd. | Multiple input multiple output communication system and communication method of adaptably transforming codebook |
-
2005
- 2005-09-21 US US11/232,340 patent/US7826416B2/en not_active Expired - Fee Related
-
2006
- 2006-06-20 EP EP06012643A patent/EP1768273B1/en not_active Expired - Fee Related
- 2006-06-20 DE DE602006020530T patent/DE602006020530D1/de active Active
- 2006-07-28 TW TW095127734A patent/TWI350666B/zh not_active IP Right Cessation
- 2006-09-08 CN CN2006101537211A patent/CN1937849B/zh active Active
-
2010
- 2010-11-02 US US12/917,841 patent/US8503382B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20110103505A1 (en) | 2011-05-05 |
EP1768273A2 (en) | 2007-03-28 |
CN1937849B (zh) | 2010-11-10 |
US8503382B2 (en) | 2013-08-06 |
EP1768273A3 (en) | 2007-11-07 |
US20070064829A1 (en) | 2007-03-22 |
US7826416B2 (en) | 2010-11-02 |
DE602006020530D1 (de) | 2011-04-21 |
CN1937849A (zh) | 2007-03-28 |
TW200723916A (en) | 2007-06-16 |
EP1768273B1 (en) | 2011-03-09 |
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Legal Events
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MM4A | Annulment or lapse of patent due to non-payment of fees |