JP2005509314A - 無線通信システムにおける出力制御方法および装置 - Google Patents
無線通信システムにおける出力制御方法および装置 Download PDFInfo
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- JP2005509314A JP2005509314A JP2002578688A JP2002578688A JP2005509314A JP 2005509314 A JP2005509314 A JP 2005509314A JP 2002578688 A JP2002578688 A JP 2002578688A JP 2002578688 A JP2002578688 A JP 2002578688A JP 2005509314 A JP2005509314 A JP 2005509314A
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- transmission
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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
- H04W52/06—TPC algorithms
- H04W52/12—Outer and inner loops
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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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
- H04W52/20—TPC being performed according to specific parameters using error rate
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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
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/265—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the quality of service QoS
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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
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/286—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission during data packet transmission, e.g. high speed packet access [HSPA]
-
- 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
- H04W52/48—TPC being performed in particular situations during retransmission after error or non-acknowledgment
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
- Selective Calling Equipment (AREA)
Abstract
【解決手段】送信エネルギー設定点を送信品質に適用し、それにしたがって再送信エネルギー設定点を調整することによって、パケットデータ切り替えがなされた通信システムにおける出力を制御する。ある実施例では、再送信エネルギー設定点が、再送信品質の関数として調整される。
Description
許容できるエラー確率内で信号を復元するのに十分なEb/No(干渉出力スペクトル密度に対するビットエネルギーの比)を確保するように努める。出力制御PCとは、順方向リンクFLおよび逆方向リンクRLのうちの何れか一方、または両方の送信出力を調整し、与えられたエラー基準を満足するようにする処理である。理想的には、この出力制御処理は、指定された受信器において少なくとも最小の要求Eb/Noを達成するように送信出力を調整する。更に、いかなる送信器であっても、望ましいサービス品質QOSを達成するためには、必要な最小Eb/Noを超えた使用をしないことが望ましい。これによって、出力制御処理を介してなされた一人のユーザに対する利益が、他のユーザに対し無用な損失をもたらさないことを保証する。
IPトラフィックのエラー割合を、一般的に10−2であるイーサネット(登録商標)チャンネルのエラー割合に相当する値まで減少させるリンク層プロトコルとして設計された。
Claims (13)
- 基地局装置であって、
データの送信および再送信を制御するための動作が可能なプロセッサと、
コンピュータ読み取り可能な複数の手順を格納するための動作が可能なメモリ格納デバイスとを備え、
前記手順は、
送信フレームエラー割合と再送信フレームエラー割合とを決定する第1の命令群と、
前記送信フレームエラー割合と送信品質との関数として送信エネルギー設定点を決定する第2の命令群と、
前記再送信フレームエラー割合と再送信品質との関数として再送信エネルギー設定点を決定する第3の命令群と
を備えている基地局装置。 - 請求項1に記載の基地局装置において、
前記送信品質は、受信されたエラー表示信号によって測定される基地局装置。 - 請求項1に記載の基地局装置において、
前記送信エネルギー設定点と前記再送信エネルギー設定点は、パイロットに対するトラフィックの比率として決定される基地局装置。 - 請求項1に記載の基地局装置において、
前記第3の命令群は、
前記再送信フレームエラー割合、再送信品質、および送信エネルギー設定点の関数として前記再送信エネルギー設定点を決定する基地局装置。 - 請求項4に記載の基地局装置において、
前記第3の命令群は、
前記送信エネルギー設定点にデルタ値を加算することによって前記再送信エネルギー設定点を決定する基地局装置。 - 無線通信システムにおける方法であって、
送信フレームエラー割合を達成するために送信エネルギー設定点を決定する段階と、
送信エラーの発生に基づいて前記送信エネルギー設定点を調整する段階と、
再送信フレームエラー割合を達成するために再送信エネルギー設定点を決定する段階と、
再送信エラーの発生に基づいて再送信エネルギー設定点を調整する段階と
を備えた方法。 - 請求項6に記載の方法において、
前記再送信エネルギー設定点を調整する段階は更に、前記送信エネルギー設定点の関数として前記再送信エネルギー設定点を調整する段階を備えた方法。 - 請求項6に記載の方法において、
前記再送信エネルギー設定点を調整する段階は更に、再送信のための望ましいフレームエラー割合を達成するために前記再送信エネルギー設定点を調整する段階を備えた方法。 - 請求項6に記載の方法において、
前記送信エネルギー設定点を調整する段階は更に、送信のための望ましいフレームエラー割合を達成するために送信エネルギー設定点を調整する段階を備えた方法。 - 請求項6に記載の方法において、
前記送信フレームエラー割合は、前記再送信フレームエラー割合よりも大きい方法。 - 請求項6に記載の方法において、
前記送信フレームエラー割合と前記再送信フレームエラー割合とは、望ましい総フレームエラー割合になる方法。 - 請求項6に記載の方法において、
前記送信フレームエラー割合と、前記再送信フレームエラー割合とは、予め定められた値である方法。 - 請求項6に記載の方法において、
前記送信フレームエラー割合と、前記再送信フレームエラー割合とは、動的な値である方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US09/823,015 US8199696B2 (en) | 2001-03-29 | 2001-03-29 | Method and apparatus for power control in a wireless communication system |
PCT/US2002/009828 WO2002080403A1 (en) | 2001-03-29 | 2002-03-28 | Method and apparatus for power control in a wireless communication system |
Publications (2)
Publication Number | Publication Date |
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JP2005509314A true JP2005509314A (ja) | 2005-04-07 |
JP2005509314A5 JP2005509314A5 (ja) | 2006-02-09 |
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Application Number | Title | Priority Date | Filing Date |
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JP2002578688A Pending JP2005509314A (ja) | 2001-03-29 | 2002-03-28 | 無線通信システムにおける出力制御方法および装置 |
Country Status (12)
Country | Link |
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US (1) | US8199696B2 (ja) |
EP (2) | EP1374442B1 (ja) |
JP (1) | JP2005509314A (ja) |
KR (3) | KR101107860B1 (ja) |
CN (2) | CN1983856B (ja) |
AT (1) | ATE405037T1 (ja) |
BR (1) | BRPI0208495B1 (ja) |
DE (1) | DE60228215D1 (ja) |
ES (1) | ES2309192T3 (ja) |
HK (1) | HK1064226A1 (ja) |
TW (1) | TW560207B (ja) |
WO (1) | WO2002080403A1 (ja) |
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EP1933474B1 (en) | 2015-04-15 |
EP1374442A1 (en) | 2004-01-02 |
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US8199696B2 (en) | 2012-06-12 |
BRPI0208495B1 (pt) | 2016-08-02 |
KR20070041641A (ko) | 2007-04-18 |
KR101107860B1 (ko) | 2012-02-06 |
ATE405037T1 (de) | 2008-08-15 |
ES2309192T3 (es) | 2008-12-16 |
TW560207B (en) | 2003-11-01 |
KR20030085072A (ko) | 2003-11-01 |
CN1983856A (zh) | 2007-06-20 |
EP1374442B1 (en) | 2008-08-13 |
CN1511386A (zh) | 2004-07-07 |
KR101005148B1 (ko) | 2011-01-04 |
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