JP5081979B2 - アップリンクチャネルの送信パワー制御方法 - Google Patents
アップリンクチャネルの送信パワー制御方法 Download PDFInfo
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- JP5081979B2 JP5081979B2 JP2010534899A JP2010534899A JP5081979B2 JP 5081979 B2 JP5081979 B2 JP 5081979B2 JP 2010534899 A JP2010534899 A JP 2010534899A JP 2010534899 A JP2010534899 A JP 2010534899A JP 5081979 B2 JP5081979 B2 JP 5081979B2
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- tpc
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- downlink control
- control information
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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
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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
- H04L1/0028—Formatting
- H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
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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
- H04L1/0032—Without explicit signalling
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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
- H04L1/0061—Error detection codes
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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
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
-
- 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
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (15)
- 無線通信システムにおけるアップリンクチャネルの送信パワーを制御する方法において、
ダウンリンク制御チャネル上にダウンリンク制御情報を受信し、前記ダウンリンク制御情報は、少なくとも一つのTPC(transmit power control)命令と、TPC識別子でマスキングされた前記ダウンリンク制御情報のCRC(Cyclic Redundancy Check)パリティビットとを含み、及び
前記少なくとも一つのTPC命令に基づいて前記アップリンクチャネルの送信パワーを調節することを含む方法。 - 前記ダウンリンク制御チャネルは、PDCCH(Physical Downlink Control Channel)である請求項1に記載の方法。
- 前記アップリンクチャネルは、PUCCH(Physical Uplink Control Channel)またはPUSCH(Physical Uplink Shared Channel)である請求項1に記載の方法。
- 前記PUCCH及び前記PUSCHは、相違するTPC識別子を使用する請求項3に記載の方法。
- 前記TPC識別子は、基地局から受信する請求項1に記載の方法。
- 前記TPC識別子の大きさは、16ビットである請求項1に記載の方法。
- 前記ダウンリンク制御情報は、複数のTPC命令を含む請求項1に記載の方法。
- 前記複数のTPC命令のうち前記TPC命令を選択することをさらに含む請求項7に記載の方法。
- 前記TPC命令は、TPCインデックスによって指示される請求項8に記載の方法。
- 前記TPCインデックスは、基地局から受信される請求項9に記載の方法。
- 無線通信システムのための装置において、
無線信号を送信または受信するRF(Radio Frequency)部;及び
前記RF部及び連結されるプロセッサを含み、前記プロセッサは、
ダウンリンク制御チャネル上にダウンリンク制御情報を受信し、前記ダウンリンク制御情報は、少なくとも一つのTPC(transmit power control)命令と、TPC識別子でマスキングされた前記ダウンリンク制御情報のCRC(Cyclic Redundancy Check)パリティビットとを含み、及び
前記少なくとも一つのTPC命令に基づいてアップリンクチャネルの送信パワーを調節する装置。 - 前記ダウンリンク制御情報は、複数のTPC命令を含み、前記プロセッサは、前記複数のTPC命令のうち前記TPC命令を選択することをさらに含む請求項11に記載の装置。
- 無線通信システムにおけるアップリンクチャネルの送信パワーを制御するためのTPC(transmit power control)命令を送信する方法において、
複数のTPC命令を含むダウンリンク制御情報を準備して、
前記ダウンリンク制御情報にCRC(Cyclic Redundancy Check)パリティビットを付加して、
前記CRCパリティビットをTPC識別子でマスキングされ、及び
前記CRCマスキングされたダウンリンク制御情報を送信することを含む方法。 - 前記TPC識別子は、複数のTPC命令を受信する端末を識別するために使われる請求項13に記載の方法。
- 前記TPC識別子は、送信パワーが調節されるアップリンクチャネルを識別するために使われる請求項13に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US2581708P | 2008-02-04 | 2008-02-04 | |
US61/025,817 | 2008-02-04 | ||
KR10-2008-0049147 | 2008-05-27 | ||
KR1020080049147A KR101459147B1 (ko) | 2008-02-04 | 2008-05-27 | 무선통신 시스템에서 전송 파워 제어 명령 전송 방법 |
PCT/KR2008/007521 WO2009099271A1 (en) | 2008-02-04 | 2008-12-18 | Method of controlling transmit power of uplink channel |
Related Child Applications (1)
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JP2012193277A Division JP5364190B2 (ja) | 2008-02-04 | 2012-09-03 | アップリンクチャネルの送信パワー制御方法 |
Publications (2)
Publication Number | Publication Date |
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JP2011504343A JP2011504343A (ja) | 2011-02-03 |
JP5081979B2 true JP5081979B2 (ja) | 2012-11-28 |
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JP2010534899A Active JP5081979B2 (ja) | 2008-02-04 | 2008-12-18 | アップリンクチャネルの送信パワー制御方法 |
JP2012193277A Active JP5364190B2 (ja) | 2008-02-04 | 2012-09-03 | アップリンクチャネルの送信パワー制御方法 |
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JP2012193277A Active JP5364190B2 (ja) | 2008-02-04 | 2012-09-03 | アップリンクチャネルの送信パワー制御方法 |
Country Status (7)
Country | Link |
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US (1) | US8351974B2 (ja) |
EP (1) | EP2086266B1 (ja) |
JP (2) | JP5081979B2 (ja) |
KR (2) | KR101459147B1 (ja) |
CN (2) | CN101884179B (ja) |
TW (1) | TWI403108B (ja) |
WO (1) | WO2009099271A1 (ja) |
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CN101884179A (zh) | 2010-11-10 |
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WO2009099271A1 (en) | 2009-08-13 |
KR20090085497A (ko) | 2009-08-07 |
JP2011504343A (ja) | 2011-02-03 |
CN103702405A (zh) | 2014-04-02 |
TW200939663A (en) | 2009-09-16 |
JP2013038790A (ja) | 2013-02-21 |
CN101884179B (zh) | 2014-01-29 |
KR101485294B1 (ko) | 2015-01-21 |
CN103702405B (zh) | 2017-08-18 |
US8351974B2 (en) | 2013-01-08 |
JP5364190B2 (ja) | 2013-12-11 |
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