KR100657882B1 - 기지국 장치 및 통신 방법 - Google Patents
기지국 장치 및 통신 방법 Download PDFInfo
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- KR100657882B1 KR100657882B1 KR20057018887A KR20057018887A KR100657882B1 KR 100657882 B1 KR100657882 B1 KR 100657882B1 KR 20057018887 A KR20057018887 A KR 20057018887A KR 20057018887 A KR20057018887 A KR 20057018887A KR 100657882 B1 KR100657882 B1 KR 100657882B1
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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
- 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
- H04B1/715—Interference-related aspects
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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
- 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
- H04L5/0012—Hopping in multicarrier systems
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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
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
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- 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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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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
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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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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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (5)
- 복수 반송파 통신 대역을 복수로 분할한 부반송파 블록 마다의 통신 품질을 기초로, 송신 데이터를 각 통신 단말장치에 송신하기 위한 스케줄을 결정하는 스케줄러와,통신 단말장치마다 통신 품질이 소정 품질 이상인 부반송파 블록에 송신 데이터를 배치하는 부반송파 블록 선택부와,송신 데이터를 소정의 시간 단위로 주파수 호핑시켜 부반송파 블록 내의 부반송파에 배치하는 주파수 호핑부와,부반송파에 배치한 송신 데이터를 송신하는 송신부를 구비하는 기지국 장치.
- 제1항에 있어서,상기 부반송파 블록 선택부는, 소정의 시간 단위로 부반송파 블록을 호핑 시키는 기지국 장치.
- 복수 반송파 통신 대역을 복수로 분할한 부반송파 블록마다 수신 신호를 분리하는 부반송파 블록 추출부와,부반송파 블록 내에서 호핑된 수신 신호를 재생하는 재생부와,수신 신호의 CIR를 측정하는 CIR 측정부와,상기 CIR에 기초하여 요구하는 전송 레이트를 나타내는 CQI를 생성하는 CQI 생성부와,상기 CQI를 송신하는 송신부를 구비하는 통신 단말장치.
- 제3항에 있어서,상기 CIR 측정부는,부반송파 블록 단위로 수신 신호로부터 소망 신호의 전력을 산출하는 신호전력 계산부와,부반송파 블록 단위로 수신 신호로부터 간섭 신호의 전력을 산출하는 간섭전력 계산부와,복수의 부반송파 블록에서의 간섭신호 전력의 평균값을 산출하는 평균화부와,부반송파 블록 단위로 상기 소망신호 전력과 상기 간섭신호 전력의 평균값으로부터 CIR를 산출하는 CIR 계산부를 구비하는 통신 단말장치.
- 기지국에 있어서, 복수의 통신 단말장치로부터 송신된 CQI에 기초하여 송신 데이터를 각 통신 단말장치에 송신하는 스케줄을 결정하고, 복수 반송파 통신 대역을 복수로 분할한 부반송파 블록 단위로 통신단말 장치마다 통신 품질을 산출하고, 통신단말 장치마다 통신 품질이 소정품질 이상인 부반송파 블록에 송신 데이터를 배치하고, 송신 데이터를 소정의 시간 단위로 주파수 호핑시켜 부반송파 블록내의 부반송파에 배치하고, 부반송파에 배치한 송신 데이터를 송신하고,통신 단말장치에 있어서, 복수 반송파 통신 대역을 복수로 분할한 부반송파 블록마다 수신 신호를 분리하고, 부반송파 블록 내에서 호핑된 수신 신호를 재생하고, 수신 신호의 CIR를 측정하고, 상기 CIR에 기초하여 요구하는 전송 레이트를 나타내는 CQI를 생성하고, 상기 CQI를 송신하는 무선 통신 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2003-00102018 | 2003-04-04 | ||
JP2003102018A JP3860556B2 (ja) | 2003-04-04 | 2003-04-04 | 基地局装置及び通信方法 |
PCT/JP2004/004875 WO2004091126A1 (ja) | 2003-04-04 | 2004-04-02 | 基地局装置及び通信方法 |
Publications (2)
Publication Number | Publication Date |
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KR20050119191A KR20050119191A (ko) | 2005-12-20 |
KR100657882B1 true KR100657882B1 (ko) | 2006-12-14 |
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KR20057018887A KR100657882B1 (ko) | 2003-04-04 | 2004-04-02 | 기지국 장치 및 통신 방법 |
Country Status (9)
Country | Link |
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US (4) | US7660367B2 (ko) |
EP (3) | EP3713101B1 (ko) |
JP (1) | JP3860556B2 (ko) |
KR (1) | KR100657882B1 (ko) |
CN (2) | CN1768497B (ko) |
ES (1) | ES2798757T3 (ko) |
HU (1) | HUE051843T2 (ko) |
PL (1) | PL3518428T3 (ko) |
WO (1) | WO2004091126A1 (ko) |
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US10644745B2 (en) | 2020-05-05 |
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CN102571141B (zh) | 2015-07-08 |
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KR20050119191A (ko) | 2005-12-20 |
CN1768497A (zh) | 2006-05-03 |
EP3518428A1 (en) | 2019-07-31 |
EP1612980A1 (en) | 2006-01-04 |
US20100097998A1 (en) | 2010-04-22 |
EP3518428B1 (en) | 2020-05-13 |
EP3713101B1 (en) | 2024-01-03 |
JP2004312291A (ja) | 2004-11-04 |
EP1612980B1 (en) | 2019-06-05 |
EP1612980A4 (en) | 2012-11-07 |
WO2004091126A1 (ja) | 2004-10-21 |
PL3518428T3 (pl) | 2020-11-30 |
CN102571141A (zh) | 2012-07-11 |
US9143192B2 (en) | 2015-09-22 |
US20130251002A1 (en) | 2013-09-26 |
HUE051843T2 (hu) | 2021-03-29 |
US8467797B2 (en) | 2013-06-18 |
US7660367B2 (en) | 2010-02-09 |
US20150333882A1 (en) | 2015-11-19 |
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