RU2008132817A - Способ и устройство для реализации пространственно-временной обработки с неравными схемами модуляции и кодирования - Google Patents
Способ и устройство для реализации пространственно-временной обработки с неравными схемами модуляции и кодирования Download PDFInfo
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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
- H04B7/0667—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 delayed versions of same signal
- H04B7/0669—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 delayed versions of same signal using different channel coding between antennas
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- 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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- 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]
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- 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
- H04B7/0667—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 delayed versions of same signal
- H04B7/0671—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 delayed versions of same signal using different delays between antennas
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- H—ELECTRICITY
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- 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
- H04B7/0697—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 spatial multiplexing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0891—Space-time diversity
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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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0606—Space-frequency coding
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0625—Transmitter arrangements
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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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0631—Receiver arrangements
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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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0637—Properties of the code
- H04L1/0643—Properties of the code block codes
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- H—ELECTRICITY
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- 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
- H04L27/2626—Arrangements specific to the transmitter only
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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
- H04L27/2647—Arrangements specific to the receiver only
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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
- H04B7/06—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
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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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
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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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Abstract
1. Способ осуществления пространственной обработки данных с неравными схемами модуляции и кодирования (MCS), содержащий этапы, на которых: ! формируют множество пространственных потоков из входных данных; ! выполняют пространственную обработку, по меньшей мере, одного из пространственных потоков, чтобы передать, по меньшей мере, один пространственный поток посредством, по меньшей мере, двух антенн, используя одну из следующих видов обработки - Пространственно-Частотное Блочное Кодирование (SFBC), Пространственно-Временное Блочное Кодирование (STBC), Разнесение Циклической Задержки (CDD), квазиортогональное кодирование Аламути и Пространственно-Временное Блочное Кодирование с Обращением Времени (Time Reversed Space Time Block Coding), и чтобы передавать, по меньшей мере, один другой пространственный поток посредством, по меньшей мере, одной другой антенны для пространственного мультиплексирования, причем схема MCS для каждого пространственного потока выбирается независимо от схемы MCS для другого пространственного потока; и ! передают пространственные потоки посредством множества передающих антенн. ! 2. Способ по п.1, в котором выполняют пространственную обработку только части каждого из пространственных потоков. ! 3. Способ по п.1, в котором матрица сопоставления антенн перемножается с пространственными потоками. ! 4. Способ по п.3, в котором матрица сопоставления антенн представляет собой единичную матрицу. ! 5. Способ по п.3, в котором матрица сопоставления антенн предназначена для пространственного разброса. ! 6. Способ по п.3, в котором матрица сопоставления антенн представляет собой управляющую матрицу, которая специфична для канала. !
Claims (18)
1. Способ осуществления пространственной обработки данных с неравными схемами модуляции и кодирования (MCS), содержащий этапы, на которых:
формируют множество пространственных потоков из входных данных;
выполняют пространственную обработку, по меньшей мере, одного из пространственных потоков, чтобы передать, по меньшей мере, один пространственный поток посредством, по меньшей мере, двух антенн, используя одну из следующих видов обработки - Пространственно-Частотное Блочное Кодирование (SFBC), Пространственно-Временное Блочное Кодирование (STBC), Разнесение Циклической Задержки (CDD), квазиортогональное кодирование Аламути и Пространственно-Временное Блочное Кодирование с Обращением Времени (Time Reversed Space Time Block Coding), и чтобы передавать, по меньшей мере, один другой пространственный поток посредством, по меньшей мере, одной другой антенны для пространственного мультиплексирования, причем схема MCS для каждого пространственного потока выбирается независимо от схемы MCS для другого пространственного потока; и
передают пространственные потоки посредством множества передающих антенн.
2. Способ по п.1, в котором выполняют пространственную обработку только части каждого из пространственных потоков.
3. Способ по п.1, в котором матрица сопоставления антенн перемножается с пространственными потоками.
4. Способ по п.3, в котором матрица сопоставления антенн представляет собой единичную матрицу.
5. Способ по п.3, в котором матрица сопоставления антенн предназначена для пространственного разброса.
6. Способ по п.3, в котором матрица сопоставления антенн представляет собой управляющую матрицу, которая специфична для канала.
7. Способ по п.6, в котором матрица сопоставления антенн включает в себя набор собственных векторов канала.
8. Способ по п.1, в котором схема MCS для каждого пространственного потока определяется на основании отношения сигнал-шум каждого пространственного потока.
9. Способ осуществления пространственной обработки данных с неравными схемами модуляции и кодирования (MCS), содержащий этапы, на которых:
принимают потоки данных посредством, по меньшей мере, одной приемной антенны; и
выполняют пространственную обработку потоков данных, чтобы восстановить множество пространственных потоков, причем, по меньшей мере, один из пространственных потоков передается, используя один из следующих видов обработки - SFBC, STBC, CDD, квазиортогональное кодирование Аламути и Пространственно-Временное Блочное Кодирование с Обращением Времени (Time Reversed Space Time Block Coding), посредством, по меньшей мере, двух антенн, и, по меньшей мере, один другой пространственный поток передается посредством, по меньшей мере, одной другой антенны для пространственного мультиплексирования, причем схема MCS для каждого пространственного потока выбирается независимо от схемы MCS для другого пространственного потока.
10. Передатчик для осуществления пространственной обработки данных с неравными схемами MCS, содержащий:
пространственный процессор для выполнения пространственной обработки, по меньшей мере, одного из множества пространственных потоков, чтобы передать, по меньшей мере, один пространственный поток посредством, по меньшей мере, двух антенн, используя одну из следующих видов обработки - SFBC, STBC, CDD, квазиортогональное кодирование Аламути и Пространственно-Временное Блочное Кодирование с Обращением Времени (Time Reversed Space Time Block Coding), и чтобы передавать, по меньшей мере, один другой пространственный поток посредством, по меньшей мере, одной другой антенны для пространственного мультиплексирования, причем схема MCS для каждого пространственного потока выбирается независимо от схемы MCS для другого пространственного потока; и
множество передающих антенн для передачи пространственных потоков.
11. Передатчик по п.10, в котором пространственный процессор сконфигурирован так, чтобы выполнять пространственную обработку только части каждого из потоков данных.
12. Передатчик по п.10, в котором пространственный процессор сконфигурирован так, чтобы применять матрицу сопоставления антенн к пространственным потокам.
13. Передатчик по п.12, в котором матрица сопоставления антенн представляет собой единичную матрицу.
14. Передатчик по п.12, в котором матрица сопоставления антенн предназначена для пространственного разброса.
15. Передатчик по п.12, в котором матрица сопоставления антенн представляет собой управляющую матрицу, которая специфична для канала.
16. Передатчик по п.15, в котором матрица сопоставления антенн включает в себя набор собственных векторов канала.
17. Передатчик по п.10, в котором схема MCS для каждого потока данных определяется на основании отношения сигнал-шум каждого пространственного потока, связанного с этим потоком данных.
18. Приемник для осуществления пространственной обработки данных с неравными схемами MCS, содержащий:
по меньшей мере, одну приемную антенну для приема множества потоков данных; и
пространственный декодер для выполнения пространственной обработки потоков данных, чтобы восстановить множество пространственных потоков, причем, по меньшей мере, один из пространственных потоков передается, используя один из следующих видов обработки - SFBC, STBC, CDD, квазиортогональное кодирование Аламути и Пространственно-Временное Блочное Кодирование с Обращением Времени (Time Reversed Space Time Block Coding), посредством, по меньшей мере, двух антенн, и, по меньшей мере, один другой пространственный поток передается посредством, по меньшей мере, одной другой антенны для пространственного мультиплексирования, причем схема MCS для каждого пространственного потока выбирается независимо от схемы MCS для другого пространственного потока.
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US75803406P | 2006-01-11 | 2006-01-11 | |
US60/758,034 | 2006-01-11 |
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RU2008132817A true RU2008132817A (ru) | 2010-02-20 |
RU2406234C2 RU2406234C2 (ru) | 2010-12-10 |
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US (6) | US8295401B2 (ru) |
EP (4) | EP1989806A2 (ru) |
JP (7) | JP5436863B2 (ru) |
KR (8) | KR101600673B1 (ru) |
CN (2) | CN106411380B (ru) |
AU (1) | AU2007204966B2 (ru) |
BR (1) | BRPI0706859A2 (ru) |
CA (1) | CA2636157C (ru) |
DE (1) | DE202007000422U1 (ru) |
ES (1) | ES2720173T3 (ru) |
IL (1) | IL192570A (ru) |
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Cited By (1)
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RU2546571C2 (ru) * | 2010-09-16 | 2015-04-10 | Квэлкомм Инкорпорейтед. | Система и способ для передачи сигнала с низкой плотностью контроля по четности |
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TWI431990B (zh) | 2006-01-11 | 2014-03-21 | Interdigital Tech Corp | 以不等調變及編碼方法實施空時處理方法及裝置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2546571C2 (ru) * | 2010-09-16 | 2015-04-10 | Квэлкомм Инкорпорейтед. | Система и способ для передачи сигнала с низкой плотностью контроля по четности |
RU2664396C2 (ru) * | 2010-09-16 | 2018-08-17 | Квэлкомм Инкорпорейтед | Система и способ для передачи сигнала с низкой плотностью контроля по четности |
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