RU2000114892A - Способ и устройство для эффективной по времени повторной передачи с использованием накопления символов - Google Patents
Способ и устройство для эффективной по времени повторной передачи с использованием накопления символовInfo
- Publication number
- RU2000114892A RU2000114892A RU2000114892/09A RU2000114892A RU2000114892A RU 2000114892 A RU2000114892 A RU 2000114892A RU 2000114892/09 A RU2000114892/09 A RU 2000114892/09A RU 2000114892 A RU2000114892 A RU 2000114892A RU 2000114892 A RU2000114892 A RU 2000114892A
- Authority
- RU
- Russia
- Prior art keywords
- packet
- data packet
- received
- symbols
- retransmission
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 20
- 238000009825 accumulation Methods 0.000 title claims 6
- 230000005540 biological transmission Effects 0.000 claims 9
Classifications
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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
- H04B1/76—Pilot transmitters or receivers for control of transmission or for equalising
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- 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
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- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0059—Convolutional codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
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- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0067—Rate matching
- H04L1/0068—Rate matching by puncturing
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- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0067—Rate matching
- H04L1/0068—Rate matching by puncturing
- H04L1/0069—Puncturing patterns
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- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
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- 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
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
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- 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
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L1/1816—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of the same, encoded, message
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- 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
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
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- 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
- H04L1/1825—Adaptation of specific ARQ protocol parameters according to transmission conditions
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- 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
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1835—Buffer management
- H04L1/1845—Combining techniques, e.g. code combining
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- 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
- H04L1/1867—Arrangements specially adapted for the transmitter end
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- 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
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1893—Physical mapping arrangements
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- 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
- H04W52/44—TPC being performed in particular situations in connection with interruption of transmission
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- 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
- H04L1/1809—Selective-repeat protocols
Claims (23)
1. Способ декодирования пакета данных, включающий этапы первого приема передачи пакета данных для получения принятого пакета, второго приема по меньшей мере одной повторной передачи пакета данных для получения повторно переданных пакетов, накопления упомянутого принятого пакета с упомянутыми повторно переданными пакетами для получения накопленного пакета и декодирования накопленного пакета.
2. Способ по п. 1, отличающийся тем, что этап первого приема включает этапы демодулирования по меньшей мере одного сигнального канала передачи пакета данных для получения первых пилот-сигналов и первых отфильтрованных символов данных, осуществления скалярного умножения первых пилот-сигналов и первых отфильтрованных символов данных для каждого из упомянутых по меньшей мере одного сигнального канала для получения первых скалярных значений, и объединения первых скалярных значений упомянутого по меньшей мере одного сигнального канала для получения первых объединенных, скалярных значений, причем первые объединенные скалярные значения включают упомянутый принятый пакет.
3. Способ по п. 1, отличающийся тем, что этап второго приема включает этапы демодулирования по меньшей мере одного сигнального канала упомянутой по меньшей мере одной повторной передачи пакета данных для получения вторых пилот-сигналов и вторых отфильтрованных символов данных, осуществления скалярного умножения вторых пилот-сигналов и вторых отфильтрованных символов данных для каждого из упомянутых по меньшей мере одного сигнального канала для получения вторых скалярных значений, и объединения вторых скалярных значений упомянутого по меньшей мере одного сигнального канала для получения вторых объединенных скалярных значений, причем вторые объединенные скалярные значения включают повторно переданные пакеты.
4. Способ по п. 1, отличающийся тем, что этап накопления включает этапы масштабирования кодовых символов принятого пакета с помощью первого коэффициента усиления, масштабирования кодовых символов каждого из повторно переданных пакетов с помощью вторых коэффициентов усиления и объединения кодовых символов принятого пакета с кодовыми символами повторно переданных пакетов для получения накопленного пакета.
5. Способ по п. 4, отличающийся тем, что первый коэффициент усиления определяют в соответствии с результатом измерения отношения сигнал-шум принятого сигнала упомянутой передачи, а вторые коэффициенты усиления определяют в соответствии с результатами измерения отношения сигнал-шум принятых сигналов упомянутых, по меньшей мере одной, повторных передач.
6. Способ по п. 1, отличающийся тем, что этап накопления включает этапы замещения выбранных символов принятого пакета символами повторно переданных пакетов для получения накопленного пакета.
7. Способ по п. 1, отличающийся тем, что этап накопления включает этапы перемежения символов принятого пакета с символами повторно переданных пакетов для получения накопленного пакета, при этом этап декодирования осуществляют в соответствии со скоростью передачи данных накопленного пакета.
8. Способ по п. 1, отличающийся тем, что упомянутую по меньшей мере одну повторную передачу пакета данных осуществляют совместно с передачей второго пакета данных.
9. Способ по п. 8, отличающийся тем, что упомянутую по меньшей мере одну повторную передачу упомянутого пакета данных осуществляют замещением повторенных символов второго пакета данных кодовыми символами упомянутого пакета данных.
10. Способ по п. 8, отличающийся тем, что упомянутую по меньшей мере одну повторную передачу пакета данных осуществляют кодированием упомянутого второго пакета данных с измененной скоростью кодирования.
11. Способ по п. 8, отличающийся тем, что упомянутую по меньшей мере одну повторную передачу упомянутого пакета данных осуществляют передачей упомянутого пакета данных по дополнительному кодовому каналу.
12. Способ по п. 1, отличающийся тем, что каждую из упомянутых, по меньшей мере одну, повторных передач осуществляют при более низкой энергии битов, чем для упомянутой передачи.
13. Способ по п. 12, отличающийся тем, что каждую из упомянутых, по меньшей мере одну, повторных передач осуществляют при минимальной энергии битов, которая обеспечивает правильное декодирование упомянутого пакета данных.
14. Способ по п. 13, отличающийся тем, что минимальную энергию битов вычисляют в соответствии с требуемым Ес/Iо и измеренным Ес/Iо принятого сигнала упомянутой передачи.
15. Способ по п. 13, отличающийся тем, что минимальную энергию битов вычисляют в соответствии с требуемым Ес/Iо и накопленным Ес/Iо принятых сигналов упомянутой передачи и упомянутой по меньшей мере одной повторной передачи.
16. Способ по п. 1, отличающийся тем, что каждый из повторно переданных пакетов содержит часть упомянутого принятого пакета.
17. Способ по п. 16, отличающийся тем, что каждый из повторно переданных пакетов основан на использовании измеренного Еc/Io в течение длительности упомянутого принятого пакета.
18. Способ по п. 1, отличающийся тем, что этап декодирования осуществляют при ограниченной длине, равной 9.
19. Способ по п. 1, отличающийся тем, что этап декодирования осуществляют при скорости кодирования 1/2.
20. Устройство для декодирования пакета данных, содержащее средство демодуляции, предназначенное для приема и демодулирования передачи пакета данных для получения принятого пакета и для приема и демодулирования по меньшей мере одной повторной передачи упомянутого пакета данных для получения повторно переданных пакетов, средство накопления, предназначенное для накопления повторно переданных пакетов с принятым пакетом для получения накопленного пакета, средство хранения, предназначенное для приема и хранения принятого пакета и/или накопленного пакета, и средство декодирования, предназначенное для приема и декодирования накопленного пакета.
21. Устройство по п. 20, отличающееся тем, что содержит средство масштабирования, предназначенное для приема и масштабирования принятого пакета и повторно переданных пакетов для получения масштабированного принятого пакета и масштабированные повторно переданных пакетов, при этом средство накопления принимает и накапливает масштабированные повторно переданные пакеты с масштабированными принятыми пакетами для получения накопленного пакета.
22. Устройство по п. 20, отличающееся тем, что дополнительно содержит средство передачи, предназначенное для осуществления повторной передачи упомянутой по меньшей мере одной повторной передачи пакета данных совместно с передачей второго пакета данных.
23. Устройство по п. 22, отличающееся тем, что средство передачи регулирует мощность передачи упомянутой по меньшей мере одной повторной передачи пакета данных таким образом, чтобы она была ниже мощности передачи упомянутой передачи пакета данных.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/969,319 US6101168A (en) | 1997-11-13 | 1997-11-13 | Method and apparatus for time efficient retransmission using symbol accumulation |
US08/969,319 | 1997-11-13 |
Publications (1)
Publication Number | Publication Date |
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RU2000114892A true RU2000114892A (ru) | 2002-06-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2000114892/09A RU2000114892A (ru) | 1997-11-13 | 1998-11-12 | Способ и устройство для эффективной по времени повторной передачи с использованием накопления символов |
Country Status (17)
Country | Link |
---|---|
US (4) | US6101168A (ru) |
EP (4) | EP1499057B1 (ru) |
JP (3) | JP4242063B2 (ru) |
KR (3) | KR100697578B1 (ru) |
CN (3) | CN1937476B (ru) |
AU (1) | AU767672B2 (ru) |
BR (1) | BR9814863A (ru) |
CA (1) | CA2309932C (ru) |
DE (3) | DE69842145D1 (ru) |
FI (4) | FI117842B (ru) |
HK (5) | HK1074544A1 (ru) |
ID (1) | ID26621A (ru) |
IL (3) | IL164827A0 (ru) |
NO (3) | NO330887B1 (ru) |
RU (1) | RU2000114892A (ru) |
TW (1) | TW576050B (ru) |
WO (1) | WO1999026371A1 (ru) |
Families Citing this family (144)
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KR100219035B1 (ko) * | 1997-03-13 | 1999-09-01 | 이계철 | 다양한 레이트의 무선 멀티미디어 서비스를 위한 코드분할다중접속(cdma) 방식의 대역확산장치 및 그 방법 |
US6359874B1 (en) * | 1998-05-21 | 2002-03-19 | Ericsson Inc. | Partially block-interleaved CDMA coding and decoding |
US6101168A (en) | 1997-11-13 | 2000-08-08 | Qualcomm Inc. | Method and apparatus for time efficient retransmission using symbol accumulation |
JP2901585B1 (ja) * | 1998-03-20 | 1999-06-07 | 埼玉日本電気株式会社 | 無線通信システム並びにこのシステムに使用する送信装置及び受信装置 |
US6353626B1 (en) * | 1998-05-04 | 2002-03-05 | Nokia Mobile Phones Limited | Methods and apparatus for providing non-uniform de-multiplexing in a multi-carrier wide band CDMA system |
US6744754B1 (en) * | 1998-06-09 | 2004-06-01 | Lg Information & Communications, Ltd. | Control of forward link power CDMA mobile communication system |
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