JPH11508432A - 拡散スペクトル通信システムにおける電力制御方法および装置 - Google Patents
拡散スペクトル通信システムにおける電力制御方法および装置Info
- Publication number
- JPH11508432A JPH11508432A JP9532578A JP53257897A JPH11508432A JP H11508432 A JPH11508432 A JP H11508432A JP 9532578 A JP9532578 A JP 9532578A JP 53257897 A JP53257897 A JP 53257897A JP H11508432 A JPH11508432 A JP H11508432A
- Authority
- JP
- Japan
- Prior art keywords
- threshold
- frames
- frame
- communication system
- power control
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/362—Aspects of the step size
-
- 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
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [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. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [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]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/38—TPC being performed in particular situations
- H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [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]
- H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
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、段階的な閾値の低減量を調 整する段階によって構成されることを特徴とする方法。 2.前記通信システムが符号分割多重接続(CDMA)通信システムによって 構成される請求項1記載の方法。 3.遠隔ユニットから受信された品質の劣化したフレームの数を判定して、品 質劣化フレームの決定を行う段階;および 品質劣化フレームの前記決定に基づいて、前記閾値の前記段階的低減量を調整 する段階; によってさらに構成される請求項1記載の方法。 4.前記閾値を、前記段階的低減量に実質的に等しい量だけ減じて、減少した 閾値を生成する段階;および 遠隔ユニットのウォルシュ符号エネルギを前記減少した閾値と比較する段階; によってさらに構成される請求項3記載の方法。 5.前記品質劣化フレームの数を判定する前記段階が: 複数のフレームを受信する段階; 前記複数のフレームを記憶して、記憶された複数のフレーム属性を生成する段 階;および 前記記憶された複数のフレーム属性内の品質劣化フレームの数を判定する段階 ; によって構成される請求項3記載の方法。 6.通信システムにおいて電力制御を行う装置であって、閾値の段階的低減量 を調整する積分器によって構成されることを特徴とする装置。 7.前記通信システムが符号分割多重接続(CDMA)通信システムによって 構成される請求項6記載の装置。 8.前記積分器に結合され、遠隔ユニットから受信される品質劣化フレーム数 を判定する比較器によってさらに構成される請求項6記載の装置。 9.前記積分器に結合され、前記閾値を前記段階的低減量に実質的に等しい量 だけ減じて、減少した閾値を生成する瞬間閾値計算器;および 前記瞬間閾値計算器に結合され、遠隔ユニットのウォルシュ符号エネルギを前 記減少した閾値と比較する比較ユニット; によってさらに構成される請求項8記載の装置。 10.前記比較ユニットが: 複数のフレームを受信する受信機; 前記受信機に結合され、前記複数のフレームを記憶するフィルタ;および 前記フィルタに結合され、前記フィルタ内に存在する品質劣化フレームの数を 判定する論理ユニット; によって構成される請求項8記載の装置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/616,542 US5745520A (en) | 1996-03-15 | 1996-03-15 | Method and apparatus for power control in a spread spectrum communication system using threshold step-down size adjustment |
| US08/616,542 | 1996-03-15 | ||
| PCT/US1997/000166 WO1997034434A1 (en) | 1996-03-15 | 1997-01-03 | Method and apparatus for power control in a spread-spectrum communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11508432A true JPH11508432A (ja) | 1999-07-21 |
| JP4081142B2 JP4081142B2 (ja) | 2008-04-23 |
Family
ID=24469925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53257897A Expired - Lifetime JP4081142B2 (ja) | 1996-03-15 | 1997-01-03 | 拡散スペクトル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 (2) | US5745520A (ja) |
| EP (1) | EP0827675B1 (ja) |
| JP (1) | JP4081142B2 (ja) |
| KR (1) | KR100288855B1 (ja) |
| CN (1) | CN1097409C (ja) |
| BR (1) | BR9702114B1 (ja) |
| CA (1) | CA2220068C (ja) |
| DE (1) | DE69738775D1 (ja) |
| WO (1) | WO1997034434A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004047336A1 (ja) * | 2002-11-20 | 2004-06-03 | Matsushita Electric Industrial Co., Ltd. | 基地局装置及び送信割り当て制御方法 |
| JP2006101509A (ja) * | 2004-09-27 | 2006-04-13 | Lucent Technol Inc | 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 |
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| JPH1051354A (ja) * | 1996-05-30 | 1998-02-20 | N T T Ido Tsushinmo Kk | Ds−cdma伝送方法 |
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| FI106666B (fi) * | 1997-01-24 | 2001-03-15 | Nokia Networks Oy | Tehonsäätömenetelmä epäjatkuvaan lähetykseen |
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| EP1758266A3 (en) | 1998-03-03 | 2014-04-23 | NEC Corporation | Method of controlling transmission power in a cellular type mobile communication system |
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-
1996
- 1996-03-15 US US08/616,542 patent/US5745520A/en not_active Expired - Lifetime
-
1997
- 1997-01-03 WO PCT/US1997/000166 patent/WO1997034434A1/en not_active Ceased
- 1997-01-03 CA CA002220068A patent/CA2220068C/en not_active Expired - Fee Related
- 1997-01-03 CN CN97190206A patent/CN1097409C/zh not_active Expired - Fee Related
- 1997-01-03 KR KR1019970708134A patent/KR100288855B1/ko not_active Expired - Fee Related
- 1997-01-03 DE DE69738775T patent/DE69738775D1/de not_active Expired - Lifetime
- 1997-01-03 BR BRPI9702114-8A patent/BR9702114B1/pt not_active IP Right Cessation
- 1997-01-03 EP EP97903749A patent/EP0827675B1/en not_active Expired - Lifetime
- 1997-01-03 JP JP53257897A patent/JP4081142B2/ja not_active Expired - Lifetime
- 1997-11-17 US US08/971,976 patent/US5940430A/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004047336A1 (ja) * | 2002-11-20 | 2004-06-03 | Matsushita Electric Industrial Co., Ltd. | 基地局装置及び送信割り当て制御方法 |
| US7257423B2 (en) | 2002-11-20 | 2007-08-14 | Matsushita Electric Industrial Co., Ltd. | Base station apparatus and transmission assignment control method |
| JP2006101509A (ja) * | 2004-09-27 | 2006-04-13 | Lucent Technol Inc | 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 |
| US8224368B2 (en) | 2004-09-27 | 2012-07-17 | Alcatel Lucent | Method and apparatus for controlling transmission power in a wireless network |
Also Published As
| Publication number | Publication date |
|---|---|
| US5745520A (en) | 1998-04-28 |
| EP0827675A4 (en) | 2001-05-16 |
| US5940430A (en) | 1999-08-17 |
| KR19990014790A (ko) | 1999-02-25 |
| BR9702114B1 (pt) | 2009-01-13 |
| CN1097409C (zh) | 2002-12-25 |
| WO1997034434A1 (en) | 1997-09-18 |
| EP0827675B1 (en) | 2008-06-18 |
| DE69738775D1 (de) | 2008-07-31 |
| CN1182523A (zh) | 1998-05-20 |
| EP0827675A1 (en) | 1998-03-11 |
| KR100288855B1 (ko) | 2001-08-07 |
| CA2220068C (en) | 2001-06-05 |
| CA2220068A1 (en) | 1997-09-18 |
| JP4081142B2 (ja) | 2008-04-23 |
| BR9702114A (pt) | 1999-01-12 |
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