RU2009121532A - Способы и устройство для распределения мощности и/или выбора скорости передачи для операций mimo/simo восходящей линии с учетом par - Google Patents
Способы и устройство для распределения мощности и/или выбора скорости передачи для операций mimo/simo восходящей линии с учетом par Download PDFInfo
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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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- 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
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
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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
- H04B7/0426—Power distribution
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2614—Peak power aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
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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
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
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- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
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Abstract
1. Способ для системы беспроводной связи, причем способ содержит этапы, на которых: ! принимают или сохраняют значение понижения PAR; и применяют принятое значение понижения PAR для определения значения мощности передачи. ! 2. Способ по п.1, в котором значение понижения PAR по меньшей мере частично основано на типе модуляции. ! 3. Способ по п.1, дополнительно содержащий этап, на котором определяют скорость для передачи восходящей линии. ! 4. Способ по п.1, в котором значение понижения PAR по меньшей мере частично основано на типе модуляции и является большим для модуляции QAM более высокого прядка, чем для модуляции QPSK. ! 5. Способ по п.1, в котором значение понижения PAR по меньшей мере частично основано на типе модуляции и является большим для модуляции 16 QAM, чем для модуляции QPSK. ! 6. Способ по п.1, в котором значение понижения PAR по меньшей мере частично основано на типе модуляции и является большим для модуляции 64 QAM, чем для модуляции QPSK. ! 7. Способ по п.1, в котором мощность передачи для каждого множества потоков MIMO, а также поддерживаемые скорости различных потоков также зависят от унитарного преобразования. ! 8. Способ по п.7, в котором унитарное преобразование является виртуальным отображением антенн. ! 9. Способ по п.7, в котором унитарное преобразование является перестановкой антенн. ! 10. Способ по п.1, в котором унитарное преобразование является матрицей предварительного кодирования MIMO. ! 11. Способ по п.1, дополнительно содержащий этап, на котором используемый индекс качества канала (CQI) от одной антенны является управляемым по мощности в качестве опорного сигнала. ! 12. Способ по п.11, дополнительно содержащий этап, на котором выводят
Claims (24)
1. Способ для системы беспроводной связи, причем способ содержит этапы, на которых:
принимают или сохраняют значение понижения PAR; и применяют принятое значение понижения PAR для определения значения мощности передачи.
2. Способ по п.1, в котором значение понижения PAR по меньшей мере частично основано на типе модуляции.
3. Способ по п.1, дополнительно содержащий этап, на котором определяют скорость для передачи восходящей линии.
4. Способ по п.1, в котором значение понижения PAR по меньшей мере частично основано на типе модуляции и является большим для модуляции QAM более высокого прядка, чем для модуляции QPSK.
5. Способ по п.1, в котором значение понижения PAR по меньшей мере частично основано на типе модуляции и является большим для модуляции 16 QAM, чем для модуляции QPSK.
6. Способ по п.1, в котором значение понижения PAR по меньшей мере частично основано на типе модуляции и является большим для модуляции 64 QAM, чем для модуляции QPSK.
7. Способ по п.1, в котором мощность передачи для каждого множества потоков MIMO, а также поддерживаемые скорости различных потоков также зависят от унитарного преобразования.
8. Способ по п.7, в котором унитарное преобразование является виртуальным отображением антенн.
9. Способ по п.7, в котором унитарное преобразование является перестановкой антенн.
10. Способ по п.1, в котором унитарное преобразование является матрицей предварительного кодирования MIMO.
11. Способ по п.1, дополнительно содержащий этап, на котором используемый индекс качества канала (CQI) от одной антенны является управляемым по мощности в качестве опорного сигнала.
12. Способ по п.11, дополнительно содержащий этап, на котором выводят по меньшей мере одно условие канала.
13. Способ по п.11, дополнительно содержащий этап, на котором выводят по меньшей мере одно условие канала по меньшей мере частично на основе канала запроса.
14. Способ по п.11, дополнительно содержащий этап, на котором выводят по меньшей мере одно условие канала по меньшей мере частично на основе множества широкополосных контрольных сигналов.
15. Способ по п.1, дополнительно содержащий этап, на котором узлу В сообщают разность PSD.
16. Способ по п.15, дополнительно содержащий этап, на котором вычисляют по меньшей мере одну скорость передачи данных для пользователя, который не испытывает негативного воздействия межпользовательских помех, на основе эффективного отношения сигнала к шуму (SNR) после последовательного подавления взаимных помех (SIC).
17. Способ по п.15, дополнительно содержащий этап, на котором вычисляют по меньшей мере одну скорость передачи данных для пользователя, который не испытывает негативного воздействия межпользовательских помех, на основе эффективного отношения сигнала к шуму (SNR) после последовательного подавления взаимных помех (SIC).
18. Способ для системы беспроводной связи, причем способ содержит этапы, на которых:
передают или сохраняют значение понижения отношения PAR; и сообщают разность PSD узлу В с учетом значения понижения PAR.
19. Устройство, выполненное с возможностью работы в системе беспроводной связи, причем устройство содержит:
средство для приема или сохранения значения понижения PAR и приема разности PSD;
средство для применения значения понижения PAR для определения значения мощности; и
средство для определения скорости для передачи восходящей линии.
20. Машиночитаемый носитель, содержащий команды, которые при их исполнении машиной побуждают машину выполнять операции, включающие в себя:
прием или сохранение значения понижения PAR и прием разности PSD;
применение значения понижения PAR для определения значения мощности; и
определение скорости для передачи восходящей линии.
21. Устройство, выполненное с возможностью работы в системе беспроводной связи, причем устройство содержит:
процессор, выполненный с возможностью принимать или сохранять значение понижения PAR и принимать разность PSD, применять принятое значение понижения PAR для определения значения мощности; и
память, соединенную с процессором, для хранения данных.
22. Устройство по п.21, в котором процессор выполнен с возможностью принимать или сохранять значение понижения PAR, которое по меньшей мере частично основано на типе модуляции.
23. Устройство по п.21, в котором процессор выполнен с возможностью определять скорость для передачи восходящей линии.
24. Устройство по п.21, в котором процессор выполнен с возможностью принимать или сохранять значение понижения PAR, которое по меньшей мере частично основано на типе модуляции и является большим для модуляции QAM более высокого прядка, чем для модуляции QPSK.
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US86457306P | 2006-11-06 | 2006-11-06 | |
US60/864,573 | 2006-11-06 |
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RU2009121532A true RU2009121532A (ru) | 2010-12-20 |
RU2437212C2 RU2437212C2 (ru) | 2011-12-20 |
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US (1) | US8655396B2 (ru) |
EP (1) | EP2115887B1 (ru) |
JP (2) | JP5384357B2 (ru) |
KR (1) | KR101122384B1 (ru) |
CN (2) | CN104320167B (ru) |
AU (1) | AU2007316434B2 (ru) |
BR (1) | BRPI0717953A2 (ru) |
CA (2) | CA2797739A1 (ru) |
HK (1) | HK1206159A1 (ru) |
IL (1) | IL198233A (ru) |
MX (1) | MX2009004840A (ru) |
MY (1) | MY147174A (ru) |
NO (1) | NO20092157L (ru) |
RU (1) | RU2437212C2 (ru) |
TW (1) | TW200830759A (ru) |
UA (1) | UA96960C2 (ru) |
WO (1) | WO2008058143A2 (ru) |
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NO20092157L (no) | 2009-06-08 |
JP2010509863A (ja) | 2010-03-25 |
KR101122384B1 (ko) | 2012-03-27 |
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AU2007316434A1 (en) | 2008-05-15 |
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CA2667096C (en) | 2013-09-24 |
CA2667096A1 (en) | 2008-05-15 |
JP2012095294A (ja) | 2012-05-17 |
KR20090083449A (ko) | 2009-08-03 |
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AU2007316434B2 (en) | 2011-08-04 |
CN101536352B (zh) | 2014-09-10 |
US20100029320A1 (en) | 2010-02-04 |
CN104320167B (zh) | 2017-11-14 |
BRPI0717953A2 (pt) | 2013-11-05 |
WO2008058143A3 (en) | 2008-08-07 |
JP5384357B2 (ja) | 2014-01-08 |
CN101536352A (zh) | 2009-09-16 |
US8655396B2 (en) | 2014-02-18 |
JP5453369B2 (ja) | 2014-03-26 |
EP2115887A2 (en) | 2009-11-11 |
MY147174A (en) | 2012-11-14 |
IL198233A (en) | 2013-04-30 |
HK1206159A1 (en) | 2015-12-31 |
CA2797739A1 (en) | 2008-05-15 |
UA96960C2 (ru) | 2011-12-26 |
TW200830759A (en) | 2008-07-16 |
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