JP2006526351A - 無線通信システム、通信システムを動作させる方法、および移動局 - Google Patents
無線通信システム、通信システムを動作させる方法、および移動局 Download PDFInfo
- Publication number
- JP2006526351A JP2006526351A JP2006508482A JP2006508482A JP2006526351A JP 2006526351 A JP2006526351 A JP 2006526351A JP 2006508482 A JP2006508482 A JP 2006508482A JP 2006508482 A JP2006508482 A JP 2006508482A JP 2006526351 A JP2006526351 A JP 2006526351A
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- Prior art keywords
- power control
- mobile station
- control command
- base station
- downlink signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
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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
- H04W52/18—TPC being performed according to specific parameters
-
- 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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/20—TPC being performed according to specific parameters using error rate
-
- 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
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/325—Power control of control or pilot channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
Description
1) DCHの送信時位相が共通パイロット信号の位相に参照づけられるとき、たとえば、同じアンテナ(群)およびアンテナ重みが、DCHと、DCHの位相が参照づけられる共通パイロット信号とのどちらに対しても使用される場合。この場合、無線チャネルの特性の推定を、共通パイロット信号から行うことができ、この推定を使用してTPCビットを復調することができる。
Claims (8)
- 基地局を有する通信システムで使用するための移動局であって、
前記基地局から第1のダウンリンク信号を受信するための受信機手段と、
前記受信された第1のダウンリンク信号のパラメータを計測するための計測手段と、
第1の電力制御コマンドの生成を前記計測されたパラメータに応答して行うための電力制御手段と、
前記第1の電力制御コマンドを前記基地局へと送信するための送信機手段と
を備え、
前記計測手段は、前記第1のダウンリンク信号の前記パラメータを計測するように適合され、他方、第1のダウンリンク信号は所定でないデータ値で変調され、前記第1の電力制御コマンドに応じて送信電力制御を受ける移動局。 - 前記受信機手段が、前記基地局から、第2の、電力制御済みでないダウンリンク信号を受信し、チャネル推定を前記第2のダウンリンク信号から導出し、前記チャネル推定を使用して前記第1のダウンリンク信号を復号化するように適合された、請求項1に記載の移動局。
- 前記電力制御手段が、第2の電力制御コマンドを含む前記所定でないデータ値を復号化し、前記復号化された第2の電力制御コマンドに応じて前記送信機手段の前記送信電力の調節を行うように適合された、請求項1または2に記載の移動局。
- 基地局と、請求項1、2、または3のいずれかに記載の少なくとも1台の移動局とを含む無線通信システム。
- 前記基地局が、前記第1の電力制御コマンドを受信するための受信機手段と、所定でないデータ値で変調され、前記第1の送信電力制御コマンドに応じて送信電力制御を受けるための送信機手段とを含む、請求項4に記載の無線通信システム。
- 基地局と少なくとも1台の移動局とを含む通信システムを動作させる方法であって、
前記基地局で、前記移動局により送信された第1の電力制御コマンドを受信すること、および、所定でないデータ値で変調され、前記第1の電力制御コマンドに応じて送信電力制御を受ける第1のダウンリンク信号を送信すること、ならびに、
前記移動局で、前記第1のダウンリンク信号を受信すること、前記所定でないデータ値で変調された前記第1のダウンリンク信号のパラメータを計測すること、および、前記計測されたパラメータに応答して前記第1の電力制御コマンドの生成を行い、前記第1の電力制御コマンドを送信することを含む方法。 - 前記基地局で、第2のダウンリンク信号を一定の電力レベルで送信すること、ならびに、前記移動局で、前記第2の信号を受信すること、チャネル推定を前記第2のダウンリンク信号から導出すること、および、前記チャネル推定を使用して前記第1のダウンリンク信号を復号化することを含む、請求項6に記載の方法。
- 前記基地局で、前記所定でないデータ値が第2の電力制御コマンドを含むように配置すること、ならびに、前記移動局で、前記第2の電力制御コマンドを復号化すること、および、前記第2の電力制御コマンドに応じて前記移動局の前記送信電力の調節を行うことを含む、請求項6または7に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0326365.4A GB0326365D0 (en) | 2003-11-12 | 2003-11-12 | A radio communication system,a method of operating a communication system,and a mobile station |
PCT/IB2004/052347 WO2005048483A1 (en) | 2003-11-12 | 2004-11-09 | A radio communication system, method of operating a communication system, and a mobile station |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006526351A true JP2006526351A (ja) | 2006-11-16 |
JP2006526351A5 JP2006526351A5 (ja) | 2007-02-01 |
JP4018738B2 JP4018738B2 (ja) | 2007-12-05 |
Family
ID=29726395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006508482A Active JP4018738B2 (ja) | 2003-11-12 | 2004-11-09 | 無線通信システム、通信システムを動作させる方法、および移動局 |
Country Status (19)
Country | Link |
---|---|
US (3) | US9185663B2 (ja) |
EP (1) | EP1685659B1 (ja) |
JP (1) | JP4018738B2 (ja) |
KR (1) | KR100722013B1 (ja) |
CN (1) | CN100574136C (ja) |
AT (1) | ATE375035T1 (ja) |
AU (1) | AU2004310240B2 (ja) |
BR (1) | BRPI0410152B1 (ja) |
CA (1) | CA2525060C (ja) |
CY (1) | CY1107522T1 (ja) |
DE (1) | DE602004009340C5 (ja) |
DK (1) | DK1685659T3 (ja) |
ES (1) | ES2294559T3 (ja) |
GB (1) | GB0326365D0 (ja) |
MX (1) | MXPA05012108A (ja) |
PL (1) | PL1685659T3 (ja) |
PT (1) | PT1685659E (ja) |
RU (1) | RU2310987C2 (ja) |
WO (1) | WO2005048483A1 (ja) |
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2003
- 2003-11-12 GB GBGB0326365.4A patent/GB0326365D0/en not_active Ceased
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2004
- 2004-11-09 PT PT04799088T patent/PT1685659E/pt unknown
- 2004-11-09 ES ES04799088T patent/ES2294559T3/es active Active
- 2004-11-09 KR KR1020057023524A patent/KR100722013B1/ko active IP Right Grant
- 2004-11-09 BR BRPI0410152-9A patent/BRPI0410152B1/pt active IP Right Grant
- 2004-11-09 CA CA2525060A patent/CA2525060C/en active Active
- 2004-11-09 DE DE602004009340.8T patent/DE602004009340C5/de active Active
- 2004-11-09 AT AT04799088T patent/ATE375035T1/de active
- 2004-11-09 DK DK04799088T patent/DK1685659T3/da active
- 2004-11-09 WO PCT/IB2004/052347 patent/WO2005048483A1/en active IP Right Grant
- 2004-11-09 EP EP04799088A patent/EP1685659B1/en active Active
- 2004-11-09 JP JP2006508482A patent/JP4018738B2/ja active Active
- 2004-11-09 MX MXPA05012108A patent/MXPA05012108A/es active IP Right Grant
- 2004-11-09 US US10/554,376 patent/US9185663B2/en active Active
- 2004-11-09 RU RU2005135434/09A patent/RU2310987C2/ru active
- 2004-11-09 PL PL04799088T patent/PL1685659T3/pl unknown
- 2004-11-09 CN CNB2004800147621A patent/CN100574136C/zh active Active
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