RU2007139903A - Способ и устройство для уменьшения запаздывания и служебных данных прохождения сигнала в прямом и обратном направлениях в системе связи - Google Patents

Способ и устройство для уменьшения запаздывания и служебных данных прохождения сигнала в прямом и обратном направлениях в системе связи Download PDF

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Publication number
RU2007139903A
RU2007139903A RU2007139903/09A RU2007139903A RU2007139903A RU 2007139903 A RU2007139903 A RU 2007139903A RU 2007139903/09 A RU2007139903/09 A RU 2007139903/09A RU 2007139903 A RU2007139903 A RU 2007139903A RU 2007139903 A RU2007139903 A RU 2007139903A
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Prior art keywords
frame
subframes
radio frame
subframe
selecting
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RU2007139903/09A
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RU2378760C2 (ru
Inventor
Брайан К. КЛАССОН (US)
Брайан К. КЛАССОН
Кевин Л. БАУМ (US)
Кевин Л. БАУМ
Амитава ГХОШ (US)
Амитава ГХОШ
Роберт Т. ЛАВ (US)
Роберт Т. ЛАВ
Виджэй НАНГИЯ (US)
Виджэй НАНГИЯ
Кеннет А. СТЮАРТ (US)
Кеннет А. СТЮАРТ
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Моторола, Инк. (US)
Моторола, Инк.
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J2011/0003—Combination with other multiplexing techniques
    • H04J2011/0009—Combination with other multiplexing techniques with FDM/FDMA
    • 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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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

1. Способ передачи данных в системе связи, содержащий этапы, на которых ! принимают данные, которые должны передаваться в кадре радиосвязи, при этом кадр радиосвязи составлен из множества подкадров; ! выбирают длину кадра, содержащую многочисленные подкадры; ! выбирают тип подкадра по одному из двух или более типов подкадров для кратного количества подкадров; ! размещают данные в многочисленных подкадрах для создания многочисленных подкадров данных; и ! передают кадр, содержащий многочисленные подкадры данных и тип подкадра, в кадре радиосвязи. ! 2. Способ по п.1, в котором каждый тип подкадра из двух или более типов подкадров содержит отличающееся количество символов OFDM или отличающееся количество символов FDMA одиночной несущей. ! 3. Способ по п.1, дополнительно содержащий этап, на котором мультиплексируют общие каналы управления в кадр радиосвязи. ! 4. Способ по п.1, дополнительно содержащий этап, на котором определяют начало кадра в кадре радиосвязи по наличию символа пилот-сигнала или управляющего символа в кадре радиосвязи. ! 5. Способ по п.1, дополнительно содержащий этап, на котором сигнализируют разделение кадра радиосвязи при вводе в действие системы, при регистрации, в пределах синхронизации и управления кадра, в пределах заданного подкадра в кадре радиосвязи, в пределах первого подкадра в кадре радиосвязи, последнего подкадра предыдущего кадра радиосвязи или в пределах управляющего распределения, назначающего ресурсы. ! 6. Способ по п.1, в котором на этапе выбора кадра дополнительно выбирают длительность кадра из двух или более возможных длительностей кадра. ! 7. Способ по п.6, в котором этап выбора длительности к

Claims (10)

1. Способ передачи данных в системе связи, содержащий этапы, на которых
принимают данные, которые должны передаваться в кадре радиосвязи, при этом кадр радиосвязи составлен из множества подкадров;
выбирают длину кадра, содержащую многочисленные подкадры;
выбирают тип подкадра по одному из двух или более типов подкадров для кратного количества подкадров;
размещают данные в многочисленных подкадрах для создания многочисленных подкадров данных; и
передают кадр, содержащий многочисленные подкадры данных и тип подкадра, в кадре радиосвязи.
2. Способ по п.1, в котором каждый тип подкадра из двух или более типов подкадров содержит отличающееся количество символов OFDM или отличающееся количество символов FDMA одиночной несущей.
3. Способ по п.1, дополнительно содержащий этап, на котором мультиплексируют общие каналы управления в кадр радиосвязи.
4. Способ по п.1, дополнительно содержащий этап, на котором определяют начало кадра в кадре радиосвязи по наличию символа пилот-сигнала или управляющего символа в кадре радиосвязи.
5. Способ по п.1, дополнительно содержащий этап, на котором сигнализируют разделение кадра радиосвязи при вводе в действие системы, при регистрации, в пределах синхронизации и управления кадра, в пределах заданного подкадра в кадре радиосвязи, в пределах первого подкадра в кадре радиосвязи, последнего подкадра предыдущего кадра радиосвязи или в пределах управляющего распределения, назначающего ресурсы.
6. Способ по п.1, в котором на этапе выбора кадра дополнительно выбирают длительность кадра из двух или более возможных длительностей кадра.
7. Способ по п.6, в котором этап выбора длительности кадра содержит этап, на котором выбирают длительность кадра на основании скорости, доплеровского смещения, состояния радиоканала, полосы частот несущей или канала пользователя, местоположения пользователя в соте и скорости передачи данных, QoS, требования запаздывания, размера пакета, частоты появления ошибок, допустимого количества повторных передач, возможности удаленного узла, размера соты, частоты несущей, близости к другим беспроводным системам, полосы частот канала или несущей, на основании достижения обратной совместимости с другой системой, на основании количества пользователей, которые должны планироваться в кадре, на основании загрузки системы, на основании количества пользователей в каждой соте, на основании типа модуляции или на основании типа трафика.
8. Способ по п.1, дополнительно содержащий этап, на котором размещают управление назначением ресурса в пределах многочисленных подкадров.
9. Способ по п.8, в котором постоянный ресурс является постоянным для заданного количества кадров или кадров радиосвязи, или выключенным с помощью управляющего сообщения в другом кадре.
10. Способ по п.8, дополнительно содержащий этап, на котором выбирают второй кадр, в котором управление назначением ресурса назначает ресурсы в первом кадре и во втором кадре.
RU2007139903/09A 2005-03-30 2006-03-27 Способ и устройство для уменьшения запаздывания и служебных данных прохождения сигнала в прямом и обратном направлениях в системе связи RU2378760C2 (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US66649405P 2005-03-30 2005-03-30
US60/666,494 2005-03-30
US11/276,982 2006-03-20
US11/276,982 US8031583B2 (en) 2005-03-30 2006-03-20 Method and apparatus for reducing round trip latency and overhead within a communication system

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RU2007139903A true RU2007139903A (ru) 2009-05-10
RU2378760C2 RU2378760C2 (ru) 2010-01-10

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US (2) US8031583B2 (ru)
EP (2) EP1869801B1 (ru)
JP (2) JP2008535392A (ru)
KR (1) KR100946951B1 (ru)
BR (1) BRPI0608958B8 (ru)
ES (1) ES2648238T3 (ru)
MX (1) MX2007011789A (ru)
RU (1) RU2378760C2 (ru)
WO (1) WO2006105005A2 (ru)

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