HK1221343A1 - 無線傳輸預編碼 - Google Patents
無線傳輸預編碼Info
- Publication number
- HK1221343A1 HK1221343A1 HK16109351.6A HK16109351A HK1221343A1 HK 1221343 A1 HK1221343 A1 HK 1221343A1 HK 16109351 A HK16109351 A HK 16109351A HK 1221343 A1 HK1221343 A1 HK 1221343A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- wireless transmission
- transmission precoding
- precoding
- wireless
- transmission
- 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
- H04B7/0456—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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
-
- 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
- H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
-
- 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
- H04B7/0617—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
- H04L49/109—Integrated on microchip, e.g. switch-on-chip
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0252—Traffic management, e.g. flow control or congestion control per individual bearer or channel
- H04W28/0263—Traffic management, e.g. flow control or congestion control per individual bearer or channel involving mapping traffic to individual bearers or channels, e.g. traffic flow template [TFT]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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 (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361816662P | 2013-04-26 | 2013-04-26 | |
US201361824338P | 2013-05-16 | 2013-05-16 | |
PCT/US2013/075161 WO2014175926A1 (en) | 2013-04-26 | 2013-12-13 | Wireless transmission precoding |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1221343A1 true HK1221343A1 (zh) | 2017-05-26 |
Family
ID=51792286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK16109351.6A HK1221343A1 (zh) | 2013-04-26 | 2016-08-05 | 無線傳輸預編碼 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10027388B2 (zh) |
EP (1) | EP2989726B1 (zh) |
CN (1) | CN105052046A (zh) |
HK (1) | HK1221343A1 (zh) |
TW (3) | TWI619361B (zh) |
WO (1) | WO2014175926A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108632839B (zh) * | 2017-03-24 | 2020-11-10 | 维沃移动通信有限公司 | 一种波束处理方法、基站及终端 |
US20180368083A1 (en) * | 2017-06-16 | 2018-12-20 | Mediatek Inc. | Method And Apparatus For Uplink Transmissions In Mobile Communications |
US10396909B1 (en) | 2018-06-27 | 2019-08-27 | Rohde & Schwarz Gmbh & Co. Kg | Multi-antenna test system and method |
US10778298B1 (en) | 2019-03-29 | 2020-09-15 | At&T Intellectual Property I, L.P. | Context-based precoding matrix computations for radio access network for 5G or other next generation network |
US11252770B1 (en) * | 2020-01-30 | 2022-02-15 | T-Mobile Innovations Llc | Massive MIMO pairing criteria adjustments |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050286663A1 (en) * | 2004-06-23 | 2005-12-29 | Intel Corporation | Compact feedback for closed loop MIMO systems |
CN101330479B (zh) | 2007-06-20 | 2011-04-20 | 中兴通讯股份有限公司 | 一种预编码多输入多输出传输及码本编码的方法 |
US8743985B2 (en) * | 2009-01-05 | 2014-06-03 | Intel Corporation | Method and apparatus using a base codebook structure for beamforming |
KR101644433B1 (ko) | 2009-02-13 | 2016-08-01 | 엘지전자 주식회사 | 4 안테나 시스템에서 상향링크 프리코딩 수행 방법 |
KR20100099038A (ko) * | 2009-03-02 | 2010-09-10 | 엘지전자 주식회사 | 4 안테나 시스템에서 상향링크 프리코딩 수행 방법 |
CA2755432C (en) * | 2009-03-17 | 2018-10-16 | Nokia Siemens Networks Oy | Method and apparatus for codebook-based precoding in mimo systems |
CN102088340B (zh) | 2010-01-11 | 2013-04-17 | 电信科学技术研究院 | 一种多天线***发送、接收信息的方法及装置 |
US8743992B2 (en) * | 2010-04-06 | 2014-06-03 | Nokia Corporation | Codebook design and structure for multi-granular feedback |
WO2011150549A1 (en) * | 2010-06-01 | 2011-12-08 | Nokia Corporation | Apparatus and method for selection of beam groups and subset of beams in communication system |
US8494033B2 (en) | 2010-06-15 | 2013-07-23 | Telefonaktiebolaget L M Ericsson (Publ) | Methods providing precoder feedback using multiple precoder indices and related communications devices and systems |
CN102255705B (zh) * | 2011-07-08 | 2013-09-04 | 电信科学技术研究院 | 一种上行预编码信息指示方法及装置 |
EP2547022A1 (en) * | 2011-07-13 | 2013-01-16 | Intel Mobile Communications Technology Dresden GmbH | Method and apparatus for determining channel state information |
US20140072068A1 (en) * | 2011-09-30 | 2014-03-13 | Yuan Zhu | Enhanced performance multi-user multiple input output (mu-mimo) radio links |
US9281881B2 (en) * | 2013-02-12 | 2016-03-08 | Texas Instruments Incorporated | 4TX codebook enhancement in LTE |
US9143212B2 (en) * | 2013-02-25 | 2015-09-22 | Texas Instruments Incorporated | Codebook sub-sampling for CSI feedback on PUCCH for 4Tx MIMO |
US20140301492A1 (en) * | 2013-03-08 | 2014-10-09 | Samsung Electronics Co., Ltd. | Precoding matrix codebook design for advanced wireless communications systems |
BR112015021962B1 (pt) * | 2013-03-08 | 2023-03-21 | Nokia Technologies Oy | Aparelho, e, método |
US20140355703A1 (en) * | 2013-06-03 | 2014-12-04 | Broadcom Corporation | Codeword Structure For Multi-Structured Codebooks |
-
2013
- 2013-12-13 EP EP13882926.2A patent/EP2989726B1/en active Active
- 2013-12-13 WO PCT/US2013/075161 patent/WO2014175926A1/en active Application Filing
- 2013-12-13 US US14/778,040 patent/US10027388B2/en active Active
- 2013-12-13 CN CN201380074936.2A patent/CN105052046A/zh active Pending
-
2014
- 2014-04-11 TW TW105128946A patent/TWI619361B/zh active
- 2014-04-11 TW TW107100057A patent/TWI673966B/zh active
- 2014-04-11 TW TW103113450A patent/TWI559699B/zh active
-
2016
- 2016-08-05 HK HK16109351.6A patent/HK1221343A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
EP2989726A4 (en) | 2016-12-21 |
TW201717557A (zh) | 2017-05-16 |
EP2989726B1 (en) | 2019-08-14 |
TW201838357A (zh) | 2018-10-16 |
US20160308593A1 (en) | 2016-10-20 |
TWI673966B (zh) | 2019-10-01 |
EP2989726A1 (en) | 2016-03-02 |
CN105052046A (zh) | 2015-11-11 |
TW201448505A (zh) | 2014-12-16 |
TWI619361B (zh) | 2018-03-21 |
US10027388B2 (en) | 2018-07-17 |
TWI559699B (zh) | 2016-11-21 |
WO2014175926A1 (en) | 2014-10-30 |
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