RU2008104786A - Управление лучом и формирование луча для широкополосных мвмв/мвов-систем - Google Patents

Управление лучом и формирование луча для широкополосных мвмв/мвов-систем Download PDF

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RU2008104786A
RU2008104786A RU2008104786/09A RU2008104786A RU2008104786A RU 2008104786 A RU2008104786 A RU 2008104786A RU 2008104786/09 A RU2008104786/09 A RU 2008104786/09A RU 2008104786 A RU2008104786 A RU 2008104786A RU 2008104786 A RU2008104786 A RU 2008104786A
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subband
control vector
scaling
modulation symbols
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Мурали Парават МЕНОН (US)
Мурали Парават Менон
Джон У. КЕТЧУМ (US)
Джон У. КЕТЧУМ
Марк УОЛЛЭЙС (US)
Марк УОЛЛЭЙС
Джэй Род УОЛТОН (US)
Джэй Род УОЛТОН
Стивен Дж. ГОВАРД (US)
Стивен Дж. ГОВАРД
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Квэлкомм Инкорпорейтед (US)
Квэлкомм Инкорпорейтед
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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
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • 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
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • 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
    • H04B7/0434—Power distribution using multiple eigenmodes
    • H04B7/0443—Power distribution using multiple eigenmodes utilizing "waterfilling" technique
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0248—Eigen-space methods
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H04L27/2602—Signal structure
    • 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
    • H04L5/0025—Spatial division following the spatial signature of the channel
    • 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
    • H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0246—Channel estimation channel estimation algorithms using matrix methods with factorisation
    • 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
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • 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 signaling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • 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
    • H04L5/0078—Timing of allocation
    • H04L5/0085—Timing of allocation when channel conditions change
    • 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—Signaling for the administration of the divided path
    • H04L5/0096—Indication of changes in allocation
    • 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)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
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Abstract

1. Способ обработки данных для передачи по широкополосному многовходовому каналу, содержащий ! получение вектора управления для каждого из множества поддиапазонов, при этом каждый вектор управления включает в себя множество элементов для множества передающих антенн; и ! предварительное преобразование символов модуляции, подлежащих передаче в каждом поддиапазоне, с использованием вектора управления для поддиапазона. ! 2. Способ по п.1, в котором каждый вектор управления реализует управление лучом для соответствующего поддиапазона. ! 3. Способ по п.1, в котором элементы каждого вектора управления имеют одинаковую амплитуду. ! 4. Способ по п.1, в котором каждый вектор управления реализует формирование луча для соответствующего поддиапазона. ! 5. Способ по п.1, дополнительно содержащий ! получение множества значений коэффициентов масштабирования для множества поддиапазонов и ! масштабирование символов модуляции для каждого поддиапазона с использованием значения коэффициента масштабирования для поддиапазона. ! 6. Способ по п.5, в котором значения коэффициентов масштабирования для поддиапазонов определяются на основе коэффициентов усиления для поддиапазонов, обеспечиваемых векторами управления. ! 7. Способ по п.5, в котором значения коэффициентов масштабирования для поддиапазонов определяются на основе мощностей передачи, распределенных по поддиапазонам. ! 8. Способ по п.7, в котором мощности передачи распределяются по поддиапазонам на основе полной инверсии каналов. ! 9. Способ по п.7, в котором мощности передачи распределяются по поддиапазонам на основе селективной инверсии каналов. ! 10. Способ по п.7, в котором мощност

Claims (20)

1. Способ обработки данных для передачи по широкополосному многовходовому каналу, содержащий
получение вектора управления для каждого из множества поддиапазонов, при этом каждый вектор управления включает в себя множество элементов для множества передающих антенн; и
предварительное преобразование символов модуляции, подлежащих передаче в каждом поддиапазоне, с использованием вектора управления для поддиапазона.
2. Способ по п.1, в котором каждый вектор управления реализует управление лучом для соответствующего поддиапазона.
3. Способ по п.1, в котором элементы каждого вектора управления имеют одинаковую амплитуду.
4. Способ по п.1, в котором каждый вектор управления реализует формирование луча для соответствующего поддиапазона.
5. Способ по п.1, дополнительно содержащий
получение множества значений коэффициентов масштабирования для множества поддиапазонов и
масштабирование символов модуляции для каждого поддиапазона с использованием значения коэффициента масштабирования для поддиапазона.
6. Способ по п.5, в котором значения коэффициентов масштабирования для поддиапазонов определяются на основе коэффициентов усиления для поддиапазонов, обеспечиваемых векторами управления.
7. Способ по п.5, в котором значения коэффициентов масштабирования для поддиапазонов определяются на основе мощностей передачи, распределенных по поддиапазонам.
8. Способ по п.7, в котором мощности передачи распределяются по поддиапазонам на основе полной инверсии каналов.
9. Способ по п.7, в котором мощности передачи распределяются по поддиапазонам на основе селективной инверсии каналов.
10. Способ по п.7, в котором мощности передачи распределяются по поддиапазонам на основе равномерного распределения мощности.
11. Способ по п.7, в котором мощности передачи распределяются по поддиапазонам на основе распределения потокового наполнения.
12. Способ по п.1, в котором многовходовый канал является каналом с множеством входов и множеством выходов (МВМВ).
13. Способ по п.12, в котором вектор управления для каждого поддиапазона получают на основе собственного вектора, соответствующего основной собственной моде.
14. Способ по п.1, в котором многовходовый канал является каналом с множеством входов и одним выходом (МВОВ).
15. Способ по п.1, дополнительно содержащий
кодирование и модуляцию данных на основе общей схемы кодирования и модуляции для обеспечения символов модуляции.
16. Способ по п.1, дополнительно содержащий
формирование потока предварительно преобразованных символов для каждой передающей антенны и
обработку каждого потока предварительно преобразованных символов для обеспечения модулированного сигнала для передачи соответствующей передающей антенной.
17. Способ по п.1, в котором широкополосная система выполняет мультиплексирование с ортогональным частотным разделением (МОЧР), и при этом множество поддиапазонов соответствует ортогональным поддиапазонам, обеспечиваемым посредством МОЧР.
18. Способ обработки данных для передачи по многовходовому каналу в системе связи с множеством входов, реализующей мультиплексирование с ортогональным частотным разделением (ОМЧР), содержащий:
получение вектора управления для каждого из множества поддиапазонов, при этом каждый вектор управления включает в себя множество элементов для множества передающих антенн;
получение множества значений коэффициентов масштабирования для множества поддиапазонов;
масштабирование символов модуляции, подлежащих передаче в каждом поддиапазоне, с использованием значения коэффициента масштабирования для поддиапазонов;
предварительное преобразование масштабированных символов модуляции для каждого поддиапазона с использованием вектора управления для поддиапазона и
формирование потока предварительно преобразованных символов для каждой передающей антенны.
19. Способ по п.18, в котором каждый вектор управления реализует управление лучом для соответствующего поддиапазона.
20. Способ по п.18, в котором значения коэффициентов масштабирования для поддиапазонов определяются на основе селективной инверсии каналов.
RU2008104786/07A 2002-08-27 2008-02-07 Управление лучом и формирование луча для широкополосных мвмв/мвов-систем RU2463707C2 (ru)

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US10/228,393 US6940917B2 (en) 2002-08-27 2002-08-27 Beam-steering and beam-forming for wideband MIMO/MISO systems
US10/228,393 2002-08-27

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RU2008104786/07A RU2463707C2 (ru) 2002-08-27 2008-02-07 Управление лучом и формирование луча для широкополосных мвмв/мвов-систем

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US (2) US6940917B2 (ru)
EP (1) EP1552625B1 (ru)
JP (2) JP5021164B2 (ru)
KR (1) KR101013356B1 (ru)
CN (2) CN100566203C (ru)
AU (1) AU2003262813B2 (ru)
BR (1) BRPI0313817B1 (ru)
CA (1) CA2495438C (ru)
HK (1) HK1083946A1 (ru)
IL (1) IL166524A0 (ru)
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