RU2018122497A - Способы и устройство для многопользовательских mimo передач в системах беспроводной связи - Google Patents
Способы и устройство для многопользовательских mimo передач в системах беспроводной связи Download PDFInfo
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- RU2018122497A RU2018122497A RU2018122497A RU2018122497A RU2018122497A RU 2018122497 A RU2018122497 A RU 2018122497A RU 2018122497 A RU2018122497 A RU 2018122497A RU 2018122497 A RU2018122497 A RU 2018122497A RU 2018122497 A RU2018122497 A RU 2018122497A
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- Prior art keywords
- dci
- base station
- terminal
- rank
- downlink control
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 11
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
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- 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
- H04B7/0473—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking constraints in layer or codeword to antenna mapping 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
- H04B7/0452—Multi-user MIMO systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Claims (32)
1. Способ для терминала для осуществления связи в системе беспроводной связи, при этом способ содержит этапы, на которых
принимают, от базовой станции, Управляющую Информацию Нисходящей линии связи (DCI), причем DCI включает в себя информацию, ассоциированную с количеством групп мультиплексирования с кодовым разделением каналов (CDM) и портом демодуляции опорного сигнала (DM-RS); и
принимают данные от базовой станции, основываясь на DCI.
2. Способ по п.1, в котором размер информации является 3-х битовым.
3. Способ по п.1, в котором DCI передают по Физическому Каналу Управления Нисходящей линии связи (PDCCH).
4. Способ по п.1, в котором порты DMRS устанавливаются в {0, 1, 2, 3}, если ранг равен 4, и
порты DMRS устанавливаются в {0}, {1}, {2}, {3}, если ранг равен 1.
5. Способ для базовой станции для осуществления связи в системе беспроводной связи, при этом способ содержит этапы, на которых
передают, на терминал, Управляющую Информацию Нисходящей линии связи (DCI), причем DCI включает в себя информацию, ассоциированную с количеством групп мультиплексирования с кодовым разделением каналов (CDM) и портом демодуляции опорного сигнала (DM-RS); и
передают данные на терминал, основываясь на DCI.
6. Способ по п.5, в котором размер информации является 3-х битовым.
7. Способ по п.5, в котором DCI передают по Физическому Каналу Управления Нисходящей линии связи (PDCCH).
8. Способ по п.5, в котором порты DMRS устанавливаются в {0, 1, 2, 3}, если ранг равен 4, и
порты DMRS устанавливаются в {0}, {1}, {2}, {3}, если ранг равен 1.
9. Терминал для осуществления связи в системе беспроводной связи, содержащий
приемопередатчик; и
контроллер, сконфигурированный для
приема, от базовой станции, Управляющей Информации Нисходящей линии связи (DCI), причем DCI включает в себя информацию, ассоциированную с количеством групп мультиплексирования с кодовым разделением каналов (CDM) и портом демодуляции опорного сигнала (DM-RS); и
приема данных от базовой станции, основываясь на DCI.
10. Терминал по п.9, в котором размер информации является 3-х битовым.
11. Терминал по п.9, в котором DCI передают по Физическому Каналу Управления Нисходящей линии связи (PDCCH).
12. Терминал по п.9, в котором порты DMRS устанавливаются в {0, 1, 2, 3}, если ранг равен 4, и
порты DMRS устанавливаются в {0}, {1}, {2}, {3}, если ранг равен 1.
13. Базовая станция для осуществления связи в системе беспроводной связи, содержащая
приемопередатчик; и
контроллер, сконфигурированный для
передачи, на терминал, Управляющей Информации Нисходящей линии связи (DCI), причем DCI включает в себя информацию, ассоциированную с количеством групп мультиплексирования с кодовым разделением каналов (CDM) и портом демодуляции опорного сигнала (DM-RS); и
передачи данных на терминал, основываясь на DCI.
14. Базовая станция по п.13, в которой размер информации является 3-х битовым.
15. Базовая станция по п.13, в которой DCI передают по Физическому Каналу Управления Нисходящей линии связи (PDCCH).
16. Базовая станция по п.13, в которой порты DMRS устанавливаются в {0, 1, 2, 3}, если ранг равен 4, и
порты DMRS устанавливаются в {0}, {1}, {2}, {3}, если ранг равен 1.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28014709P | 2009-10-30 | 2009-10-30 | |
| US61/280,147 | 2009-10-30 | ||
| US31633010P | 2010-03-22 | 2010-03-22 | |
| US61/316,330 | 2010-03-22 | ||
| US12/899,362 US9031008B2 (en) | 2009-10-30 | 2010-10-06 | Methods and apparatus for multi-user MIMO transmissions in wireless communication systems |
| US12/899,362 | 2010-10-06 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2014149765A Division RU2658902C2 (ru) | 2009-10-30 | 2014-12-09 | Способы и устройство для многопользовательских mimo передач в системах беспроводной связи |
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| Publication Number | Publication Date |
|---|---|
| RU2018122497A true RU2018122497A (ru) | 2019-12-20 |
| RU2018122497A3 RU2018122497A3 (ru) | 2021-11-10 |
| RU2761071C2 RU2761071C2 (ru) | 2021-12-03 |
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ID=43922874
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2012117809/07A RU2540588C2 (ru) | 2009-10-30 | 2010-10-29 | Способы и устройство для многопользовательских mimo передач в системах беспроводной связи |
| RU2014149765A RU2658902C2 (ru) | 2009-10-30 | 2014-12-09 | Способы и устройство для многопользовательских mimo передач в системах беспроводной связи |
| RU2018122497A RU2761071C2 (ru) | 2009-10-30 | 2018-06-20 | Способы и устройство для многопользовательских mimo передач в системах беспроводной связи |
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| Application Number | Title | Priority Date | Filing Date |
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| RU2012117809/07A RU2540588C2 (ru) | 2009-10-30 | 2010-10-29 | Способы и устройство для многопользовательских mimo передач в системах беспроводной связи |
| RU2014149765A RU2658902C2 (ru) | 2009-10-30 | 2014-12-09 | Способы и устройство для многопользовательских mimo передач в системах беспроводной связи |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US9031008B2 (ru) |
| EP (1) | EP2494704B1 (ru) |
| JP (2) | JP5907875B2 (ru) |
| KR (1) | KR101838203B1 (ru) |
| CN (2) | CN102598526B (ru) |
| AU (1) | AU2010313998B2 (ru) |
| CA (2) | CA3045196C (ru) |
| RU (3) | RU2540588C2 (ru) |
| WO (1) | WO2011053051A2 (ru) |
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