JP4818669B2 - 無線ネットワークにおける伝送電力を制御する方法および装置 - Google Patents
無線ネットワークにおける伝送電力を制御する方法および装置 Download PDFInfo
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- JP4818669B2 JP4818669B2 JP2005272992A JP2005272992A JP4818669B2 JP 4818669 B2 JP4818669 B2 JP 4818669B2 JP 2005272992 A JP2005272992 A JP 2005272992A JP 2005272992 A JP2005272992 A JP 2005272992A JP 4818669 B2 JP4818669 B2 JP 4818669B2
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- Prior art keywords
- received signal
- signal
- threshold
- loop power
- base station
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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
-
- 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
-
- 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
-
- 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
- H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (6)
- 無線通信の方法であって、
信号対雑音比閾値を外部ループ電力制御部から内部ループ電力制御部に提供するステップと、
受信信号の電力レベルを測定することで、移動デバイスからの該受信信号の強度を決定するステップと、
該受信信号がエラーを含むか否かを判定するのに先立って、該受信信号の該強度と初期閾値とを比較するステップであって、該初期閾値のレベルは、該信号対雑音比閾値からの固定の又は可変のオフセットに設定することができるステップと、
該受信信号の該強度が該初期閾値を超える場合に、該受信信号がエラーを含むか否かを判定するステップと、
該受信信号がエラーを含む場合に、該信号対雑音比閾値を増加させるステップと、
該受信信号がエラーを含まない場合に、該信号対雑音比閾値を減少させるステップとを含む、無線通信の方法。
- 請求項1に記載の方法において、
複数の基地局と同時に通信するセルラー電話から該受信信号を受信するステップを含む方法。
- 請求項1に記載の方法において、
該受信信号の電力レベルの測定が該受信信号の少なくとも1つの電力制御グループの電力レベルを測定することを含む方法。
- 請求項3に記載の方法において、
該少なくとも1つの電力制御グループの電力レベルの測定が、該受信信号のフレームの各電力制御グループの電力レベルを測定することを含む方法。
- 請求項1に記載の方法において、
該受信信号の電力レベルの測定が該受信信号の少なくとも1つのフレームの電力レベルを測定することを含む方法。
- 請求項1に記載の方法において、
決定するステップが、ある期間中に送出されたアップ・コマンドの数及びダウン・コマンドの数のうちの少なくとも1つに基づいて該受信信号の強度を推定するステップを含む方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/950,767 US8224368B2 (en) | 2004-09-27 | 2004-09-27 | Method and apparatus for controlling transmission power in a wireless network |
US10/950,767 | 2004-09-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006101509A JP2006101509A (ja) | 2006-04-13 |
JP4818669B2 true JP4818669B2 (ja) | 2011-11-16 |
Family
ID=35432771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005272992A Expired - Fee Related JP4818669B2 (ja) | 2004-09-27 | 2005-09-21 | 無線ネットワークにおける伝送電力を制御する方法および装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8224368B2 (ja) |
EP (1) | EP1641143B1 (ja) |
JP (1) | JP4818669B2 (ja) |
KR (1) | KR20060051666A (ja) |
CN (1) | CN1756117A (ja) |
DE (1) | DE602005000379T2 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2004093349A1 (ja) * | 2003-04-14 | 2004-10-28 | Nec Corporation | ハンドオーバー機能試験方法及びスペクトラム拡散移動通信システム |
WO2005122426A1 (en) * | 2004-06-14 | 2005-12-22 | Samsung Electronics Co., Ltd. | Apparatus and method for controlling transmission mode in a mimo mobile communication system |
US7778596B2 (en) * | 2004-07-29 | 2010-08-17 | Qualcomm Incorporated | Airlink sensing watermarking repeater |
JP4595491B2 (ja) * | 2004-11-04 | 2010-12-08 | 日本電気株式会社 | 無線通信システム、無線ネットワーク制御装置、無線基地局、無線通信装置及びその制御方法。 |
JP4342464B2 (ja) * | 2005-03-29 | 2009-10-14 | 富士通マイクロエレクトロニクス株式会社 | マイクロコントローラ |
CN100407802C (zh) * | 2005-08-28 | 2008-07-30 | 华为技术有限公司 | 一种多载波ev-do的反向链路管理方法及接入终端 |
US20070053287A1 (en) * | 2005-09-07 | 2007-03-08 | Gang Li | System and method for selecting data rates in a wireless communication system |
US9420603B2 (en) * | 2006-09-08 | 2016-08-16 | Qualcomm Incorporated | Recovery from resource mismatch in a wireless communication system |
KR100819294B1 (ko) * | 2006-12-04 | 2008-04-02 | 삼성전자주식회사 | 휴대단말기의 무선전력 제어 장치 및 방법 |
KR101412760B1 (ko) * | 2007-11-12 | 2014-07-04 | 한국과학기술원 | 파일럿 신호 전력 제어 장치 및 그 동작 방법 |
ATE514243T1 (de) * | 2008-05-10 | 2011-07-15 | Research In Motion Ltd | Verfahren und vorrichtungen zur signalstärkenanzeige |
US8649284B2 (en) * | 2008-07-01 | 2014-02-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Cellular congestion and admission control based on ringing tones in unanswered calls |
US8849335B2 (en) * | 2008-11-25 | 2014-09-30 | At&T Intellectual Property I, L.P. | Adaptive SINR control |
CN101478815B (zh) * | 2008-12-15 | 2010-10-13 | 华为技术有限公司 | 微波系统中的发射装置、发信功率控制方法及其控制装置 |
US9253713B2 (en) | 2011-09-26 | 2016-02-02 | Blackberry Limited | Method and system for small cell discovery in heterogeneous cellular networks |
KR101946054B1 (ko) * | 2012-08-23 | 2019-02-08 | 현대모비스 주식회사 | 디지털 방송의 아날로그적 사운드 처리 방식을 갖는 오디오 출력 장치 및 방법 |
KR20160030105A (ko) * | 2013-07-10 | 2016-03-16 | 엘지전자 주식회사 | 무선 통신 시스템에서 d2d(device-to-device) 통신을 위한 전력 제어 방법 및 이를 위한 장치 |
Family Cites Families (15)
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US5333175A (en) * | 1993-01-28 | 1994-07-26 | Bell Communications Research, Inc. | Method and apparatus for dynamic power control in TDMA portable radio systems |
US5727033A (en) * | 1994-11-30 | 1998-03-10 | Lucent Technologies Inc. | Symbol error based power control for mobile telecommunication system |
US5745520A (en) | 1996-03-15 | 1998-04-28 | Motorola, Inc. | Method and apparatus for power control in a spread spectrum communication system using threshold step-down size adjustment |
US6700881B1 (en) * | 1998-03-02 | 2004-03-02 | Samsung Electronics Co., Ltd. | Rate control device and method for CDMA communication system |
JP3346332B2 (ja) * | 1999-04-16 | 2002-11-18 | 日本電気株式会社 | 符号分割多元接続方式移動通信システム |
GB2351420A (en) * | 1999-06-23 | 2000-12-27 | Motorola Ltd | Power control in a radio communication system |
DE69919747T2 (de) * | 1999-07-13 | 2005-01-27 | Alcatel | Verfahren zur Leistungssteigerung eines mobilen Radiokommunikationssystems unter Verwendung eines Leistungsregelungs-Algorithmus |
US6807164B1 (en) * | 1999-09-14 | 2004-10-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Power control in a CDMA mobile communication system |
US6754506B2 (en) * | 2000-06-13 | 2004-06-22 | At&T Wireless Services, Inc. | TDMA communication system having enhanced power control |
CN1149770C (zh) | 2000-12-22 | 2004-05-12 | 华为技术有限公司 | 应用于功率控制的信号干扰比(sir)门限调整方法 |
US7190964B2 (en) * | 2001-08-20 | 2007-03-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Reverse link power control in 1xEV-DV systems |
US7010316B2 (en) * | 2001-09-28 | 2006-03-07 | Qualcomm Incorporated | Method and apparatus for multi-channel reverse link outer-loop power control |
GB2387996B (en) * | 2002-04-23 | 2006-01-11 | Lucent Technologies Inc | Wireless communication network with automatic threshold adjustment |
US6850771B2 (en) | 2002-06-24 | 2005-02-01 | Qualcomm Incorporated | Uplink power control |
JP4125288B2 (ja) | 2002-10-01 | 2008-07-30 | 富士通株式会社 | 送信電力制御装置,移動通信システムおよび電力制御方法 |
-
2004
- 2004-09-27 US US10/950,767 patent/US8224368B2/en not_active Expired - Fee Related
-
2005
- 2005-09-21 JP JP2005272992A patent/JP4818669B2/ja not_active Expired - Fee Related
- 2005-09-22 EP EP05255921A patent/EP1641143B1/en not_active Ceased
- 2005-09-22 DE DE602005000379T patent/DE602005000379T2/de active Active
- 2005-09-26 CN CNA2005101068816A patent/CN1756117A/zh active Pending
- 2005-09-27 KR KR1020050089668A patent/KR20060051666A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US8224368B2 (en) | 2012-07-17 |
JP2006101509A (ja) | 2006-04-13 |
EP1641143B1 (en) | 2006-12-27 |
EP1641143A1 (en) | 2006-03-29 |
CN1756117A (zh) | 2006-04-05 |
DE602005000379T2 (de) | 2007-10-18 |
KR20060051666A (ko) | 2006-05-19 |
DE602005000379D1 (de) | 2007-02-08 |
US20060068826A1 (en) | 2006-03-30 |
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