CN103546246B - 增强的多用户mimo调度 - Google Patents
增强的多用户mimo调度 Download PDFInfo
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- CN103546246B CN103546246B CN201310271675.5A CN201310271675A CN103546246B CN 103546246 B CN103546246 B CN 103546246B CN 201310271675 A CN201310271675 A CN 201310271675A CN 103546246 B CN103546246 B CN 103546246B
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- 230000004044 response Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 14
- 230000008901 benefit Effects 0.000 description 7
- 238000003860 storage Methods 0.000 description 5
- 238000013507 mapping Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 230000008713 feedback mechanism Effects 0.000 description 2
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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
- H04B7/0452—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
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
-
- 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
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/121—Wireless traffic scheduling for groups of terminals or users
-
- 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
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261672391P | 2012-07-17 | 2012-07-17 | |
US61/672,391 | 2012-07-17 | ||
US13/785,090 | 2013-03-05 | ||
US13/785,090 US8842760B2 (en) | 2012-07-17 | 2013-03-05 | Enhanced multi user MIMO scheduling |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103546246A CN103546246A (zh) | 2014-01-29 |
CN103546246B true CN103546246B (zh) | 2017-05-17 |
Family
ID=48672332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310271675.5A Expired - Fee Related CN103546246B (zh) | 2012-07-17 | 2013-06-28 | 增强的多用户mimo调度 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8842760B2 (zh) |
EP (1) | EP2688221B1 (zh) |
KR (1) | KR101466190B1 (zh) |
CN (1) | CN103546246B (zh) |
TW (1) | TWI467952B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090130206A (ko) | 2007-04-20 | 2009-12-18 | 인터디지탈 테크날러지 코포레이션 | Mimo 통신에 대한 효과적인 프리코딩 정보 검증을 위한 방법 및 장치 |
US9071299B1 (en) * | 2013-02-05 | 2015-06-30 | Quantenna Communications Inc. | HDTV compatible precoding for multi-user MIMO in a wireless home network |
CN107534956A (zh) * | 2015-04-30 | 2018-01-02 | 华为技术有限公司 | 资源指示方法、装置和设备 |
US10374837B2 (en) | 2015-07-07 | 2019-08-06 | Lg Electronics Inc. | Method for measuring effective channel for must transmission in wireless communication system and apparatus therefor |
CN110784914B (zh) * | 2018-07-27 | 2023-07-18 | 华硕电脑股份有限公司 | 关于物理下行链路共享信道接收的功率节省的方法和设备 |
EP4165891A4 (en) * | 2020-06-15 | 2024-07-10 | Cohere Tech Inc | WIRELESS SPECTRAL SHARED SYSTEMS |
US11950271B1 (en) * | 2020-10-07 | 2024-04-02 | Sprint Spectrum Lp | Limiting uplink noise by adjusting MIMO transmission layers |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101689962A (zh) * | 2007-04-20 | 2010-03-31 | 交互数字技术公司 | 用于mimo通信的有效的预编码信息验证的方法和设备 |
CN101867447A (zh) * | 2010-04-30 | 2010-10-20 | 中兴通讯股份有限公司 | 信道状态信息的反馈方法及终端 |
CN101997655A (zh) * | 2009-08-20 | 2011-03-30 | 富士通株式会社 | 用于实现下行多输入多输出传输的方法和装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060096365A (ko) * | 2005-03-04 | 2006-09-11 | 삼성전자주식회사 | 다중 사용자 다중입력 다중출력(mu-mimo)통신시스템의 사용자 스케줄링 방법 |
US20100103832A1 (en) | 2007-08-31 | 2010-04-29 | Fujitsu Limited | Feedback Apparatus, Feedback Method, Scheduling Apparatus, And Scheduling Method |
US8254328B2 (en) * | 2007-12-17 | 2012-08-28 | Nec Corporation | Scheduling method for multi-user MIMO in which resource blocks are allocated based on priorities |
KR101588731B1 (ko) | 2009-02-20 | 2016-01-26 | 엘지전자 주식회사 | Sc-fdma가 적용된 상향링크 mimo 시스템에 있어서, pmi 통지 방법 |
CN103152090B (zh) * | 2009-08-07 | 2015-12-02 | 华为技术有限公司 | 预编码处理方法、码本集合及基站 |
US8730993B2 (en) * | 2010-07-12 | 2014-05-20 | Intel Corporation | Methods and apparatus for uplink MU MIMO scheduling |
-
2013
- 2013-03-05 US US13/785,090 patent/US8842760B2/en not_active Expired - Fee Related
- 2013-06-17 EP EP13003080.2A patent/EP2688221B1/en active Active
- 2013-06-21 KR KR1020130071620A patent/KR101466190B1/ko active IP Right Grant
- 2013-06-28 CN CN201310271675.5A patent/CN103546246B/zh not_active Expired - Fee Related
- 2013-06-28 TW TW102123237A patent/TWI467952B/zh not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101689962A (zh) * | 2007-04-20 | 2010-03-31 | 交互数字技术公司 | 用于mimo通信的有效的预编码信息验证的方法和设备 |
CN101997655A (zh) * | 2009-08-20 | 2011-03-30 | 富士通株式会社 | 用于实现下行多输入多输出传输的方法和装置 |
CN101867447A (zh) * | 2010-04-30 | 2010-10-20 | 中兴通讯股份有限公司 | 信道状态信息的反馈方法及终端 |
Also Published As
Publication number | Publication date |
---|---|
CN103546246A (zh) | 2014-01-29 |
KR101466190B1 (ko) | 2014-11-27 |
KR20140010881A (ko) | 2014-01-27 |
US8842760B2 (en) | 2014-09-23 |
EP2688221A1 (en) | 2014-01-22 |
TW201406090A (zh) | 2014-02-01 |
TWI467952B (zh) | 2015-01-01 |
US20140023154A1 (en) | 2014-01-23 |
EP2688221B1 (en) | 2019-08-21 |
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