RU2007128070A - Мультиплексирование в ортогональной восходящей линии связи в системах многостанционного доступа с кодовым разделением каналов на многих несущих - Google Patents
Мультиплексирование в ортогональной восходящей линии связи в системах многостанционного доступа с кодовым разделением каналов на многих несущих Download PDFInfo
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- RU2007128070A RU2007128070A RU2007128070/09A RU2007128070A RU2007128070A RU 2007128070 A RU2007128070 A RU 2007128070A RU 2007128070/09 A RU2007128070/09 A RU 2007128070/09A RU 2007128070 A RU2007128070 A RU 2007128070A RU 2007128070 A RU2007128070 A RU 2007128070A
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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
- H04L5/0016—Time-frequency-code
- H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/692—Hybrid techniques using combinations of two or more spread spectrum techniques
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
- H04J13/18—Allocation of orthogonal codes
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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
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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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
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals
- H04L5/026—Multiplexing of multicarrier modulation signals using code division
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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
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
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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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Claims (15)
1. Способ беспроводной связи со многими несущими, содержащий этапы, на которых:
разделяют поднесущие в восходящем канале на непересекающиеся группы;
выделяют хотя бы один время-частотный блок, каждый время-частотный блок имеет длительность скачка и непересекающуюся группу;
присваивают каждому пользователю отличный набор ортогональных кодов;
распределяют символы каждого пользователя по хотя бы одному выделенному время-частотному блоку, причем символы каждого пользователя распределяют с использованием отличных наборов ортогональных кодов, присвоенных пользователям;
отображают каждый распределенный символ в символ модуляции в хотя бы одном время-частотном блоке;
генерируют ортогональную форму волны на основе отображенных символов; и
передают ортогональную форму волны.
2. Способ по п.1, в котором этап, на котором разделяют поднесущие, дополнительно содержит отделение смежных поднесущих в непересекающуюся группу.
3. Способ по п.1, в котором этап, на котором генерируют ортогональную форму волны, содержит генерирование формы волны частотно ортогонального разделения с мультиплексированием (волны OFDM), и в котором передача ортогональной формы волны содержит передачу волны OFDM.
4. Способ по п.1, в котором этап, на котором генерируют ортогональную форму волны, содержит генерирование формы волны частотно ортогонального разделения системы многостанционного доступа (OFDMA), и в котором передача ортогональной волны содержит передачу формы волны OFDMA.
5. Способ по п.1, в котором непересекающиеся группы независимо скачкообразно меняют частоту.
6. Способ по п.1, в котором распределение символов содержит распределение символов пилот-сигнала.
7. Способ по п.1, в котором распределение символов содержит распределение символов ACK/NACK (подтверждение приема негативного подтверждения приема).
8. Способ по п.1, в котором распределение символов, содержит распределение символов CQI (указание качества канала).
9. Способ по п.1, в котором распределение символов, содержит распределение символов запроса.
10. Способ по п.1, в котором ортогональные коды представляют собой коды Уолша (Walsh).
11. Способ по п.1, в котором ортогональные коды представляют собой коды Голда (Gold).
12. Устройство для беспроводной связи на многих несущих, содержащее:
средство для того, чтобы разделить поднесущие на восходящем канале на непересекающиеся группы;
средство для того, чтобы выделить хотя бы один время-частотный блок, каждый время-частотный блок имеет длительность скачка и непересекающуюся группу;
средство для того, чтобы присвоить каждому пользователю отличный набор ортогональных кодов;
средство для того, чтобы распределить символы каждого пользователя по выделенному хотя бы одному время-частотному блоку, причем символы каждого пользователя распределяют с использованием упомянутого отличного набора ортогональных кодов, присвоенного пользователю;
средство для того, чтобы отобразить каждый распределенный символ в модулированный символ в упомянутом хотя бы одном время-частотном блоке;
средство для того, чтобы генерировать ортогональную форму волны, основанную на отображенных символах; и
средство для того, чтобы передать ортогональную форму волны.
13. Устройство для беспроводной связи на многих несущих, содержащее:
контроллер, выполненный с возможностью:
разделять поднесущие на восходящем канале на непересекающиеся группы,
размещать хотя бы один время-частотный блок, каждый время-частотный блок имеет длительность скачка и непересекающуюся группу; и
присваивать каждому пользователю отличный набор ортогональных кодов;
процессор, выполненный с возможностью:
распределять символы каждого пользователя по размещенному хотя бы одному время-частотному блоку, в котором символы каждого пользователя распределены с использованием упомянутого отличного набора ортогональных кодов, присвоенных пользователю; и
отображать каждый символ в символ модуляции в хотя бы одном время-частотном блоке; и
передатчик, выполненный с возможностью:
генерировать ортогональную форму волны на основе отображенных символов; и
передавать ортогональную форму волны.
14. Приемник в беспроводной системе связи на многих несущих, содержащий:
антенну для приема ортогональной формы волны;
демодулятор, для того чтобы демодулировать ортогональную форму волны, таким образом, создавая распределенные символы;
процессор для того, чтобы выделить время-частотный блок из распределенных символов; и
блок сборки для того, чтобы собрать распределенные символы во время-частотном блоке с использованием ортогонального кода пользователя.
15. Читаемые носители, воплощающие способ беспроводной связи на многих несущих, способ, содержащий:
разделяют поднесущие на восходящем канале на непересекающиеся группы;
выделяют хотя бы один время-частотный блок, каждый время-частотный блок имеет длительность скачка и непересекающуюся группу;
присваивают каждому пользователю отличный набор ортогональных кодов;
распределяют символы каждого пользователя по выделенному хотя бы одному время-частотному блоку, причем символы каждого пользователя распределены, с использованием упомянутого отличного набора ортогональных кодов, присвоенных пользователю;
отображают каждый распределенный символ в символ модуляции в хотя бы одном время-частотном блоке; генерируют ортогональную форму волны, основанную на отображенных символах; и
передают ортогональную форму волны.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/022,145 | 2004-12-22 | ||
US11/022,145 US8831115B2 (en) | 2004-12-22 | 2004-12-22 | MC-CDMA multiplexing in an orthogonal uplink |
Publications (2)
Publication Number | Publication Date |
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RU2007128070A true RU2007128070A (ru) | 2009-01-27 |
RU2384945C2 RU2384945C2 (ru) | 2010-03-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2007128070/09A RU2384945C2 (ru) | 2004-12-22 | 2005-12-22 | Мультиплексирование в ортогональной восходящей линии связи в системах многостанционного доступа с кодовым разделением каналов на многих несущих |
Country Status (14)
Country | Link |
---|---|
US (4) | US8831115B2 (ru) |
EP (2) | EP1847032B1 (ru) |
JP (6) | JP2008526121A (ru) |
KR (1) | KR20070086928A (ru) |
CN (1) | CN101112005B (ru) |
AR (1) | AR052435A1 (ru) |
AU (1) | AU2005319083B2 (ru) |
BR (1) | BRPI0519540B1 (ru) |
CA (1) | CA2591478C (ru) |
IL (1) | IL184001A0 (ru) |
MX (1) | MX2007007775A (ru) |
RU (1) | RU2384945C2 (ru) |
TW (4) | TWI451705B (ru) |
WO (1) | WO2006069299A1 (ru) |
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