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 PDF

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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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orthogonal
time
user
frequency block
symbols
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RU2007128070/09A
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RU2384945C2 (ru
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Арак СУТИВОНГ (US)
Арак СУТИВОНГ
Авниш АГРАВАЛ (US)
Авниш АГРАВАЛ
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Квэлкомм Инкорпорейтед (US)
Квэлкомм Инкорпорейтед
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0014Three-dimensional division
    • H04L5/0016Time-frequency-code
    • H04L5/0021Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/692Hybrid techniques using combinations of two or more spread spectrum techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/713Spread spectrum techniques using frequency hopping
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J11/00Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023Interference mitigation or co-ordination
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/16Code allocation
    • H04J13/18Allocation of orthogonal codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • H04L5/023Multiplexing of multicarrier modulation signals
    • H04L5/026Multiplexing of multicarrier modulation signals using code division
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2668Details of algorithms
    • H04L27/2673Details of algorithms characterised by synchronisation parameters
    • H04L27/2675Pilot or known symbols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation 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.
RU2007128070/09A 2004-12-22 2005-12-22 Мультиплексирование в ортогональной восходящей линии связи в системах многостанционного доступа с кодовым разделением каналов на многих несущих RU2384945C2 (ru)

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

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RU2007128070A true RU2007128070A (ru) 2009-01-27
RU2384945C2 RU2384945C2 (ru) 2010-03-20

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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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