GB201116623D0 - Method and apparatus for multiple input multiple output distributed antenna arrays - Google Patents
Method and apparatus for multiple input multiple output distributed antenna arraysInfo
- Publication number
- GB201116623D0 GB201116623D0 GBGB1116623.8A GB201116623A GB201116623D0 GB 201116623 D0 GB201116623 D0 GB 201116623D0 GB 201116623 A GB201116623 A GB 201116623A GB 201116623 D0 GB201116623 D0 GB 201116623D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- antenna arrays
- distributed antenna
- output distributed
- multiple input
- input multiple
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
- 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
- H04B7/0413—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
- H04B7/06—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
- H04B7/0639—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)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1116623.8A GB2491423B (en) | 2011-09-27 | 2011-09-27 | Method and apparatus for multiple input multiple output distributed antenna arrays |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1116623.8A GB2491423B (en) | 2011-09-27 | 2011-09-27 | Method and apparatus for multiple input multiple output distributed antenna arrays |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201116623D0 true GB201116623D0 (en) | 2011-11-09 |
GB2491423A GB2491423A (en) | 2012-12-05 |
GB2491423B GB2491423B (en) | 2013-06-05 |
Family
ID=44994030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1116623.8A Active GB2491423B (en) | 2011-09-27 | 2011-09-27 | Method and apparatus for multiple input multiple output distributed antenna arrays |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2491423B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115133968A (en) * | 2017-11-17 | 2022-09-30 | 瑞典爱立信有限公司 | Variable coherence adaptive antenna array |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2936698B1 (en) * | 2012-12-21 | 2018-11-28 | Huawei Technologies Co., Ltd. | Method and apparatus for providing generic hierarchical precoding codebooks |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8406171B2 (en) * | 2008-08-01 | 2013-03-26 | Texas Instruments Incorporated | Network MIMO reporting, control signaling and transmission |
WO2010017101A2 (en) * | 2008-08-05 | 2010-02-11 | Interdigital Patent Holdings, Inc. | Method and apparatus for implementing multi-cell cooperation techniques |
US8204470B2 (en) * | 2009-01-06 | 2012-06-19 | Texas Instruments Incorporated | Predecoding for joint processing coordinated multi-point transmission |
US8369429B2 (en) * | 2009-03-18 | 2013-02-05 | Lg Electronics Inc. | Method and apparatus for transmitting precoding matrix index in a wireless communication system using CoMP scheme |
-
2011
- 2011-09-27 GB GB1116623.8A patent/GB2491423B/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115133968A (en) * | 2017-11-17 | 2022-09-30 | 瑞典爱立信有限公司 | Variable coherence adaptive antenna array |
Also Published As
Publication number | Publication date |
---|---|
GB2491423B (en) | 2013-06-05 |
GB2491423A (en) | 2012-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20140102 AND 20140108 |
|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20140109 AND 20140115 |
|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20160211 AND 20160217 |