JPH11506899A - 通信システムにおける電力制御方法および装置 - Google Patents
通信システムにおける電力制御方法および装置Info
- Publication number
- JPH11506899A JPH11506899A JP9532576A JP53257697A JPH11506899A JP H11506899 A JPH11506899 A JP H11506899A JP 9532576 A JP9532576 A JP 9532576A JP 53257697 A JP53257697 A JP 53257697A JP H11506899 A JPH11506899 A JP H11506899A
- Authority
- JP
- Japan
- Prior art keywords
- threshold
- remote unit
- power control
- speed
- computer
- 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.)
- Granted
Links
Classifications
-
- 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
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
-
- 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
- H04W52/282—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 taking into account the speed of the mobile
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.通信システムにおける電力制御方法であって: 遠隔ユニットのスピードを判定する段階;および 前記遠隔ユニットの前記スピードに基づいてターゲット閾値を電力制御閾値に 割り当てる段階; によって構成されることを特徴とする方法。 2.前記電力制御閾値および受信された電力制御グループに基づいて、電力調整 コマンドを送信する段階をさらに含んで構成されることを特徴とする請求項1記 載の方法。 3.前記遠隔ユニットの前記スピードは、電力スペクトル密度のモーメントに基 づくことを特徴とする請求項1記載の方法。 4.前記通信システムは、符号分割多元接続(CDMA)通信システムからなる ことを特徴とする請求項1記載の方法。 5.前記方法は: フレーム品質測定に基づいて、前記ターゲット閾値を中心に前記電力制御閾値 を変える段階; をさらに含んで構成されることを特徴とする請求項1記載の方法。 6.前記電力制御閾値を変える前記段階は: 品質劣化フレームの発生を判定し、品質劣化フレームの判定を行う段階; 現在閾値が前記ターゲット閾値よりも大きいかどうかを判定し、閾値判定を行 う段階;および 前記品質劣化フレームの判定および前記閾値判定に基づいて、前記電力制御閾 値を調整する段階; をさらに含んで構成されることを特徴とする請求項5記載の方法。 7.通信システムにおける電力制御装置であって: 遠隔ユニットのスピードを判定するスピード・コンピュータ;および 前記スピード・コンピュータに結合され、前記遠隔ユニットの前記スピードに 基づいてターゲット閾値を判定するターゲット閾値コンピュータ; によって構成されることを特徴とする装置。 8.前記装置は: 前記ターゲット閾値に基づいて瞬時閾値を判定する瞬時閾値コンピュータ;お よび 前記瞬時閾値コンピュータに結合され、前記瞬時閾値を前記遠隔ユニットの受 信エネルギと比較する比較ユニット; をさらに含んで構成されることを特徴とする請求項7記載の装置。 9.前記瞬時閾値は、フレーム削除に基づくことを特徴とする請求項8記載の装 置。 10.前記比較ユニットに結合された比較器であって、受信エネルギを前記比較 ユニットに与える比較器をさらに含 んで構成されることを特徴とする請求項8記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/616,797 | 1996-03-15 | ||
US08/616,797 US5778030A (en) | 1996-03-15 | 1996-03-15 | Method and apparatus for power control in a communication system |
PCT/US1997/000163 WO1997034372A1 (en) | 1996-03-15 | 1997-01-03 | Method and apparatus for power control in a communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11506899A true JPH11506899A (ja) | 1999-06-15 |
JP3790551B2 JP3790551B2 (ja) | 2006-06-28 |
Family
ID=24470979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53257697A Expired - Fee Related JP3790551B2 (ja) | 1996-03-15 | 1997-01-03 | 通信システムにおける電力制御方法および装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5778030A (ja) |
EP (1) | EP0826273B1 (ja) |
JP (1) | JP3790551B2 (ja) |
KR (1) | KR100252804B1 (ja) |
CN (1) | CN1111987C (ja) |
BR (1) | BR9702091A (ja) |
CA (1) | CA2219997C (ja) |
DE (1) | DE69729410T2 (ja) |
WO (1) | WO1997034372A1 (ja) |
Families Citing this family (39)
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JP3818702B2 (ja) * | 1996-08-07 | 2006-09-06 | 松下電器産業株式会社 | Cdma無線伝送システム並びに該システムにおいて用いられる送信電力制御装置および送信電力制御用測定装置 |
US6075974A (en) * | 1996-11-20 | 2000-06-13 | Qualcomm Inc. | Method and apparatus for adjusting thresholds and measurements of received signals by anticipating power control commands yet to be executed |
US6396867B1 (en) * | 1997-04-25 | 2002-05-28 | Qualcomm Incorporated | Method and apparatus for forward link power control |
US6018546A (en) * | 1997-09-16 | 2000-01-25 | Lucent Technologies Inc. | Technique for soft decision metric generation in a wireless communications system |
US6370366B2 (en) * | 1997-12-15 | 2002-04-09 | U.S. Philips Corporation | Telephony device comprising a base station and at least a subscriber unit, subscriber unit for such a telephony device and method used in such a telephony device |
EP0954117A1 (en) * | 1998-04-30 | 1999-11-03 | ICO Services Ltd. | Transmission quality reporting |
KR100288375B1 (ko) * | 1998-05-25 | 2001-06-01 | 윤종용 | 역방향링크와독립적인순방향링크의전력제어방법 |
US6490460B1 (en) | 1998-12-01 | 2002-12-03 | Qualcomm Incorporated | Forward and reverse link power control using position and mobility information |
US6377813B1 (en) * | 1998-12-03 | 2002-04-23 | Nokia Corporation | Forward link closed loop power control for a third generation wideband CDMA system |
US6931050B1 (en) * | 1998-12-03 | 2005-08-16 | Ericsson Inc. | Digital receivers and receiving methods that scale for relative strengths of traffic and pilot channels during soft handoff |
US6535736B1 (en) | 1998-12-11 | 2003-03-18 | Lucent Technologies Inc. | System and method for variably delaying access requests in wireless communications system |
US6668011B1 (en) | 1998-12-21 | 2003-12-23 | Nortel Networks Limited | Block detection receiver |
US6621850B1 (en) * | 1998-12-21 | 2003-09-16 | Nortel Networks Limited | Block detection receiver |
DE19909299A1 (de) * | 1999-03-03 | 2000-09-21 | Siemens Ag | Verfahren zur Sendeleistungseinstellung von Funkstationen in einem CDMA Funk-Kommunikationssystem |
KR100297875B1 (ko) * | 1999-03-08 | 2001-09-26 | 윤종용 | 가변 속도 보코더를 사용하는 코드 분할 다중 접속 시스템의 음질 향상을 위한 방법 |
DE69903125T2 (de) * | 1999-03-16 | 2003-05-15 | Alcatel Sa | Verfahren zum dynamischen Auswählen eines optimalen Parameterwertes für einen Leistungsregelungsalgorithmus in einem mobilen Funkkommunikationssystem |
US6249683B1 (en) * | 1999-04-08 | 2001-06-19 | Qualcomm Incorporated | Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel |
US6968201B1 (en) * | 1999-10-06 | 2005-11-22 | Lucent Technologies, Inc. | Method and apparatus for controlling reverse link interference rise and power control instability in a wireless system |
GB2355366B (en) * | 1999-10-11 | 2003-08-20 | Ericsson Telefon Ab L M | Radio transceiver |
JP3388215B2 (ja) * | 2000-02-03 | 2003-03-17 | 日本電気株式会社 | 移動状態検出機能付き携帯電話機 |
US6564042B1 (en) | 2000-03-03 | 2003-05-13 | Qualcomm Incorporated | Velocity-estimation-based gain tables |
US6512935B1 (en) * | 2000-03-24 | 2003-01-28 | Gte Internetworking Incorporated | Energy conserving network protocol |
US6862457B1 (en) * | 2000-06-21 | 2005-03-01 | Qualcomm Incorporated | Method and apparatus for adaptive reverse link power control using mobility profiles |
US20050079886A1 (en) * | 2002-01-16 | 2005-04-14 | Kazuhito Niwano | Base station and mobile station and communication system and base station communication method and base station communication program and mobile station communication method and a mobile station communication program |
KR100878808B1 (ko) * | 2002-02-18 | 2009-01-14 | 엘지전자 주식회사 | 전력 제어 레이트 결정 방법 |
US7418241B2 (en) * | 2002-08-09 | 2008-08-26 | Qualcomm Incorporated | System and techniques for enhancing the reliability of feedback in a wireless communications system |
CN1675859A (zh) * | 2003-01-21 | 2005-09-28 | 富士通株式会社 | 适应控制装置 |
EP1545025B1 (en) * | 2003-03-18 | 2013-06-12 | Fujitsu Limited | Transmission power controller and radio base station |
WO2006058461A1 (fr) | 2004-12-02 | 2006-06-08 | Zte Corporation | Procede permettant de regler un seuil de commande de puissance de transmission avant dans un systeme de communication mobile |
US7168023B2 (en) * | 2004-12-30 | 2007-01-23 | Motorola, Inc. | Method and apparatus for full rate erasure handling in CDMA |
US8909945B2 (en) | 2005-04-08 | 2014-12-09 | Interdigital Technology Corporation | Method for transmit and receive power control in mesh systems |
JP4326561B2 (ja) * | 2006-12-18 | 2009-09-09 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信端末及び送信電力制御方法 |
US8498599B2 (en) * | 2008-01-31 | 2013-07-30 | Telefonaktiebolaget L M Ericsson (Publ) | Signal power measurement methods and apparatus |
JP5075019B2 (ja) * | 2008-06-04 | 2012-11-14 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信端末装置及び送信電力設定方法 |
US8160503B2 (en) | 2009-02-27 | 2012-04-17 | Research In Motion Limited | Method and system for characterizing a radio channel of a wireless network using variability of synchronization |
EP2224606B1 (en) | 2009-02-27 | 2012-10-03 | Research In Motion Limited | A method and system for characterizing a radio channel of a wireless network using variability of synchronization |
JP5423499B2 (ja) * | 2010-03-16 | 2014-02-19 | 富士通株式会社 | 基地局装置、通信システムおよび通信システムの制御方法 |
US11119127B2 (en) | 2017-08-01 | 2021-09-14 | Carlos Moreno | Method and apparatus for non-intrusive program tracing with bandwidth reduction for embedded computing systems |
CN113825221B (zh) * | 2021-08-19 | 2023-11-17 | 昆明闻讯实业有限公司 | 功率控制方法及装置 |
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US5056109A (en) * | 1989-11-07 | 1991-10-08 | Qualcomm, Inc. | Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system |
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JPH0738741B2 (ja) * | 1992-08-28 | 1995-04-26 | 日本電気株式会社 | 移動通信システムのチャネル割当方式 |
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SE500830C2 (sv) * | 1993-05-17 | 1994-09-12 | Ericsson Telefon Ab L M | Förfarande och anordning vid kanalutnyttjandet i ett radiokommunikationssystem |
JPH07240702A (ja) * | 1994-03-01 | 1995-09-12 | Canon Inc | スペクトラム拡散通信装置 |
GB2287379B (en) * | 1994-03-10 | 1998-06-10 | Roke Manor Research | Apparatus for use in a mobile radio system |
US5450453A (en) * | 1994-09-28 | 1995-09-12 | Motorola, Inc. | Method, apparatus and system for decoding a non-coherently demodulated signal |
-
1996
- 1996-03-15 US US08/616,797 patent/US5778030A/en not_active Expired - Lifetime
-
1997
- 1997-01-03 JP JP53257697A patent/JP3790551B2/ja not_active Expired - Fee Related
- 1997-01-03 EP EP97903748A patent/EP0826273B1/en not_active Expired - Lifetime
- 1997-01-03 KR KR1019970708132A patent/KR100252804B1/ko not_active IP Right Cessation
- 1997-01-03 CN CN97190204A patent/CN1111987C/zh not_active Expired - Fee Related
- 1997-01-03 BR BR9702091A patent/BR9702091A/pt not_active Application Discontinuation
- 1997-01-03 DE DE69729410T patent/DE69729410T2/de not_active Expired - Fee Related
- 1997-01-03 WO PCT/US1997/000163 patent/WO1997034372A1/en active IP Right Grant
- 1997-01-03 CA CA002219997A patent/CA2219997C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69729410D1 (de) | 2004-07-15 |
US5778030A (en) | 1998-07-07 |
BR9702091A (pt) | 1999-07-20 |
EP0826273B1 (en) | 2004-06-09 |
KR19990014788A (ko) | 1999-02-25 |
CA2219997A1 (en) | 1997-09-18 |
WO1997034372A1 (en) | 1997-09-18 |
CA2219997C (en) | 2001-10-09 |
CN1182508A (zh) | 1998-05-20 |
EP0826273A1 (en) | 1998-03-04 |
EP0826273A4 (en) | 2001-02-07 |
DE69729410T2 (de) | 2004-10-28 |
CN1111987C (zh) | 2003-06-18 |
KR100252804B1 (ko) | 2000-04-15 |
JP3790551B2 (ja) | 2006-06-28 |
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