RU2005118847A - Способ и устройство для передачи в многоантенной системе связи - Google Patents

Способ и устройство для передачи в многоантенной системе связи Download PDF

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RU2005118847A
RU2005118847A RU2005118847/09A RU2005118847A RU2005118847A RU 2005118847 A RU2005118847 A RU 2005118847A RU 2005118847/09 A RU2005118847/09 A RU 2005118847/09A RU 2005118847 A RU2005118847 A RU 2005118847A RU 2005118847 A RU2005118847 A RU 2005118847A
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subbands
groups
many
antennas
sequence
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Марк УОЛЛЭЙС (US)
Марк УОЛЛЭЙС
Джей Р. УОЛТОН (US)
Джей Р. УОЛТОН
Ахмад ДЖАЛАЛИ (US)
Ахмад Джалали
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Квэлкомм Инкорпорейтед (US)
Квэлкомм Инкорпорейтед
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • 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
    • H04B7/0417—Feedback 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • 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]
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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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H—ELECTRICITY
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    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
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    • H04B7/0413—MIMO systems
    • H04B7/0426—Power distribution
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    • H—ELECTRICITY
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    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
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    • 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
    • H04B7/0673—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 feedback from receiving side
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    • 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
    • H—ELECTRICITY
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    • H04L1/00—Arrangements for detecting or preventing errors in the information received
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    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
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    • 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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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
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  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Claims (21)

1. Способ передачи в многоантенной системе связи, содержащий этапы, на которых назначают каждой из множества антенн группу поддиапазонов, отличающуюся от других из множества групп поддиапазонов, при этом каждая из множества групп поддиапазонов включает в себя поднабор из множества поддиапазонов и при этом каждый из множества поддиапазонов первой группы являются раздельными, и передают одновременно от множества антенн, используя множество групп поддиапазонов, при этом передача от каждой антенны происходит на группе поддиапазонов, назначенной антенне.
2. Способ по п.1, по которому каждая из множества групп поддиапазонов включает в себя одинаковое количество поддиапазонов.
3. Способ по п.1, по которому поддиапазоны в каждой из множества групп равномерно распределены по множеству поддиапазонов.
4. Способ по п.1, который также содержит ортогональное кодирование первого контрольного символа.
5. Способ по п.4, по которому первый контрольный символ кодируют ортогонально кодовыми последовательностями Уолша.
6. Способ по п.1, по которому первый контрольный символ содержит сдвинутые последовательности регистра сдвига максимальной длины (m-последовательности).
7. Способ по п.6, по которому первый контрольных символ содержит сдвинутую присоединенную m-последовательности, которая содержит повторяющуюся часть m-последовательности.
8. Способ по п.1, по которому многоантенная система связи использует мультиплексирование с ортогональным делением частот (OFDM).
9. Базовая станция, содержащая множество передающих антенн, первый процессор для предварительного формирования данных передачи для назначения множества контрольных символов множеству передающих антенн, для назначения множества поднаборов подканалов множеству передающих антенн, при этом каждый из назначенных поднаборов содержит раздельные подканалы и включает в себя отличающийся поднабор множества подканалов и множество модуляторов, каждый из которых подсоединен к первому процессору и по меньшей мере к одной из множества передающих антенн для модуляции множества контрольных символов на соответствующем назначенном множестве поднаборов подканалов, причем множество передающих антенн передает каждый из назначенного множества контрольных символов по соответствующим назначенным поднаборам подканалов.
10. Базовая станция по п.9, в которой множество контрольных символов содержит множеств ортогональных контрольных символов.
11. Базовая станция по п.9, в которой множество контрольных символов содержит множеств периодических OFDM символов.
12. Базовая станция по п.9, в которой первый процессор кодирует множество контрольных символов, содержащее множество сдвинутых последовательностей регистра сдвига максимальной длины (m-последовательностей).
13. Базовая станция по п.9, в которой каждая из множества групп включает в себя одинаковое количество поддиапазонов.
14. Базовая станция по п.9, в которой поддиапазоны в каждой из множества групп равномерно распределены по множеству поддиапазонов.
15. Устройство в многоантенной системе связи, содержащее средство для назначения каждой из множества антенн группы поддиапазонов, отличающейся от других из множества групп поддиапазонов, при этом каждая из множества групп поддиапазонов включает в себя поднабор из множества поддиапазонов и при этом каждый из множества поддиапазонов первой группы являются раздельными, и средство для одновременной передачи от множества антенн с использованием множества групп поддиапазонов, при этом передача от каждой антенны происходит на группе поддиапазонов, назначенной антенне.
16. Устройство по п.15, в котором каждая из множества групп включает в себя одинаковое количество поддиапазонов.
17. Устройство по п.15, в котором поддиапазоны в каждой из множества групп равномерно распределены по множеству поддиапазонов.
18. Устройство по п.15, которое также сдержит средство для ортогонального кодирования первого контрольного символа.
19. Устройство по п.15, которое также сдержит средство для ортогонального кодирования первого контрольного символа кодовыми последовательностями Уолша.
20. Устройство по п.15, которое также сдержит средство для кодирования первого контрольного символа посредством последовательности регистра сдвига максимальной длины (m-последовательности).
21. Устройство по п.15, в котором многоантенная система связи использует мультиплексирование с ортогональным делением частот (OFDM).
RU2005118847/09A 2000-03-30 2005-06-17 Способ и устройство для передачи в многоантенной системе связи RU2387082C2 (ru)

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US09/539,224 US6473467B1 (en) 2000-03-22 2000-03-30 Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system
US09/539,224 2000-03-30

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RU2002129011/09A Division RU2002129011A (ru) 2000-03-30 2001-03-20 Способ и устройство для измерения и сообщения информации о состоянии канала в высокоэффективной, высокопроизводительной системе связи

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