RU2012102023A - Способ выполнения процедуры адаптации линии связи - Google Patents
Способ выполнения процедуры адаптации линии связи Download PDFInfo
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- H04W76/10—Connection setup
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- 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
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
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- 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
- H04L1/0025—Transmission of mode-switching indication
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- H—ELECTRICITY
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- 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
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
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- H—ELECTRICITY
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- H04J11/003—Interference mitigation or co-ordination of multi-user interference at the transmitter
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- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
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- H—ELECTRICITY
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- H04L5/00—Arrangements affording multiple use of the transmission path
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- H—ELECTRICITY
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- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H04W72/20—Control channels or signalling for resource management
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- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- 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
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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
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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
- H04B7/0452—Multi-user MIMO systems
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- 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
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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- 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
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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- 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
- H04L1/0026—Transmission of channel quality indication
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- 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
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
- H04L2001/0093—Point-to-multipoint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/105—PBS [Private Base Station] network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- 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
- H04W88/08—Access point devices
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Abstract
1. Способ связи посредством мобильной станции в системе беспроводной локальной сети, при этом способ содержит этапы, на которых:принимают и декодируют, посредством мобильной станции, первый блок данных, переданный точкой доступа (AP) через многопользовательскую с множеством входов/множеством выходов (MU MIMO) передачу множеству мобильных станций,при этом первый блок данных включает в себя информацию оценки канала, используемую для оценки канала для каждой из множества мобильных станций, и первый идентификатор, идентифицирующий множество станций.2. Способ по п.1, при этом способ дополнительно содержит этап, на котором:определяют, посредством мобильной станции, что мобильная станция принадлежит множеству станций, указываемому первым идентификатором,при этом первый идентификатор передают в заголовке процедуры конвергенции физического уровня (PLCP) первого блока данных.3. Способ по п.2, дополнительно содержащий этап, на котором:передают в AP, посредством мобильной станции, второй блок данных,при этом второй блок данных включает в себя заголовок MAC, содержащий информацию канала, оцененную на основании информации оценки канала, ивторой идентификатор, полученный из первого идентификатора.4. Способ по п.1, при этом первый блок данных дополнительно включает в себя заголовок MAC, содержащий запрос на отклик по схеме модуляции и кодирования (MCS), передаваемый точкой доступа (AP) множеству мобильных станций.5. Способ по п.4, дополнительно содержащий этап, на котором:передают ответный блок данных в ответ на запрос на отклик по MCS,при этом ответный блок данных включает в себя информацию канала, оцененную на основании информации оценки �
Claims (10)
1. Способ связи посредством мобильной станции в системе беспроводной локальной сети, при этом способ содержит этапы, на которых:
принимают и декодируют, посредством мобильной станции, первый блок данных, переданный точкой доступа (AP) через многопользовательскую с множеством входов/множеством выходов (MU MIMO) передачу множеству мобильных станций,
при этом первый блок данных включает в себя информацию оценки канала, используемую для оценки канала для каждой из множества мобильных станций, и первый идентификатор, идентифицирующий множество станций.
2. Способ по п.1, при этом способ дополнительно содержит этап, на котором:
определяют, посредством мобильной станции, что мобильная станция принадлежит множеству станций, указываемому первым идентификатором,
при этом первый идентификатор передают в заголовке процедуры конвергенции физического уровня (PLCP) первого блока данных.
3. Способ по п.2, дополнительно содержащий этап, на котором:
передают в AP, посредством мобильной станции, второй блок данных,
при этом второй блок данных включает в себя заголовок MAC, содержащий информацию канала, оцененную на основании информации оценки канала, и
второй идентификатор, полученный из первого идентификатора.
4. Способ по п.1, при этом первый блок данных дополнительно включает в себя заголовок MAC, содержащий запрос на отклик по схеме модуляции и кодирования (MCS), передаваемый точкой доступа (AP) множеству мобильных станций.
5. Способ по п.4, дополнительно содержащий этап, на котором:
передают ответный блок данных в ответ на запрос на отклик по MCS,
при этом ответный блок данных включает в себя информацию канала, оцененную на основании информации оценки канала, и первый идентификатор.
6. Беспроводное устройство связи в системе беспроводной локальной сети, при этом устройство содержит процессор, сконфигурированный для:
приема и декодирования первого блока данных, переданного точкой доступа (AP) через многопользовательскую с множеством входов/множеством выходов (MU MIMO) передачу множеству мобильных станций,
при этом первый блок данных включает в себя информацию оценки канала, используемую для оценки канала для каждой из множества мобильных станций, и первый идентификатор, идентифицирующий множество станций.
7. Устройство по п.6, в котором процессор дополнительно сконфигурирован для:
определения того, что мобильная станция принадлежит множеству станций, указываемому первым идентификатором,
при этом первый идентификатор передается в заголовке процедуры конвергенции физического уровня (PLCP) первого блока данных.
8. Устройство по п.7, в котором процессор дополнительно сконфигурирован для:
передачи в AP второго блока данных,
при этом второй блок данных включает в себя заголовок MAC, содержащий информацию канала, оцененную на основании информации оценки канала, и
второй идентификатор, полученный из первого идентификатора.
9. Устройство по п.6, в котором первый блок данных дополнительно включает в себя заголовок MAC, содержащий запрос на отклик по схеме модуляции и кодирования (MCS), передаваемый точкой доступа (AP) множеству мобильных станций.
10. Устройство по п.9, в котором процессор дополнительно сконфигурирован для:
передачи ответного блока данных в ответ на запрос на отклик по MCS,
при этом ответный блок данных включает в себя информацию канала, оцененную на основании информации оценки канала, и первый идентификатор.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21938609P | 2009-06-23 | 2009-06-23 | |
| US61/219,386 | 2009-06-23 | ||
| KR10-2009-0082774 | 2009-09-03 | ||
| KR1020090082774A KR101534865B1 (ko) | 2009-06-23 | 2009-09-03 | 링크 적응 절차 수행 방법 |
| PCT/KR2009/006776 WO2010150950A1 (en) | 2009-06-23 | 2009-11-18 | Method of performing link adaptation procedure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2012102023A true RU2012102023A (ru) | 2013-07-27 |
| RU2507686C2 RU2507686C2 (ru) | 2014-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2012102023/07A RU2507686C2 (ru) | 2009-06-23 | 2009-11-18 | Способ выполнения процедуры адаптации линии связи |
Country Status (9)
| Country | Link |
|---|---|
| US (5) | US8634395B2 (ru) |
| EP (1) | EP2446553B1 (ru) |
| JP (1) | JP5642169B2 (ru) |
| KR (1) | KR101534865B1 (ru) |
| CN (1) | CN102804637B (ru) |
| AU (1) | AU2009348527B2 (ru) |
| CA (1) | CA2766526C (ru) |
| RU (1) | RU2507686C2 (ru) |
| WO (1) | WO2010150950A1 (ru) |
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