JP4532271B2 - 通信システム内の複数のフォーマットチャネルを用いて干渉を低減し電力を制御する - Google Patents
通信システム内の複数のフォーマットチャネルを用いて干渉を低減し電力を制御する Download PDFInfo
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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
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—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
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
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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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
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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
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
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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
- H04W52/08—Closed loop power 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
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/223—TPC being performed according to specific parameters taking into account previous information or commands predicting future states of the 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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/226—TPC being performed according to specific parameters taking into account previous information or commands using past references to control power, e.g. look-up-table
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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
- H04W52/283—Power depending on the position of the mobile
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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
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
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Description
Claims (31)
- 複数のトランスポートチャネルを具備する信号に基づいて動作可能な装置、各トランスポートチャネルは、複数のフォーマットの内の1つに関連し、チャネルの数とフォーマットはフレームごとに変化可能であり、さらに、干渉信号に基づいて動作可能であり、その時間と期間が既知である装置、該装置は下記を具備する:
電力レベル信号に応じて種々の電力レベルで前記複数のトランスポートチャネルを具備する信号を送信するための可変電力レベル送信器;
下記動作を実行するプロセッサ:
複数の最小の電力レベルを決定する、ここにおいて、各電力レベルは、前記フレーム内の1つのトランスポートチャネルのための最小電力レベルである;
干渉信号がそれらの電力レベルに関連する1つ以上のトランスポートチャネルと干渉するとき、1つ以上の干渉電力レベルに従って、前記複数の電力レベルの1つ以上を増加する;
前記複数の最小電力レベルの中で最も高い電力レベルを選択する;および
前記最も高い電力レベルに従って前記電力レベル信号を生成する。 - 前記干渉電力レベルを記憶するためのテーブルをさらに具備する、請求項1の装置。
- 前記テーブルはさらに、前記最小電力レベルを記憶する、請求項2の装置。
- 前記干渉電力レベルはあらかじめ決定される、請求項1の装置。
- 前記可変電力レベル送信器により送信された信号に応答して発生された電力レベル情報を受信するための受信器をさらに具備する、請求項1の装置。
- 前記電力レベル情報は、1つ以上の最小電力レベルを具備する、請求項5の装置。
- 前記電力レベル情報は、1つ以上の干渉電力レベルを具備する、請求項5の装置。
- 前記干渉電力レベルは、2つの無線通信装置間のジオメトリ(geometry)を変えることに応じて、決定される、請求項1の装置。
- 前記最小電力レベルは、前記干渉電力レベルを基本最小電力レベルに付加することにより増加される、請求項1の装置。
- 前記基本最小電力レベルは、電力制御される、請求項9の装置。
- 前記基本最小電力は、正規化された電力レベルに付加されたフォーマット依存オフセットを具備する、請求項9の装置。
- 前記正規化された電力レベルは、閉ループ電力制御機構に従って決定される、請求項11の装置。
- 前記最小電力レベルは、閉ループ電力制御機構に従って更新される、請求項1の装置。
- 前記干渉電力レベルは、閉ループ電力制御機構に従って更新される、請求項1の装置。
- 前記最小電力レベルは、干渉電力レベルを選択することにより増加される、請求項1の装置。
- 前記干渉電力レベルは、正規化された電力レベルに付加されたフォーマット依存オフセットを具備する、請求項1の装置。
- 複数のトランスポートチャネルを具備する信号に基づいて動作可能な無線通信装置、各トランスポートチャネルは、複数のフォーマットの1つに関連し、前記チャネルの数とフォーマットは、フレームごとに変化可能であり、さらに、干渉信号に基づいて動作可能であり、その時間と期間が既知である、該無線通信装置は下記を具備する:
電力レベル信号に応答して、種々の電力レベルで、前記複数のトランスポートチャネルを具備する信号を送信するための、可変電力レベル送信器;
下記動作を実行するプロセッサ:
複数の最小電力レベルを決定する、ここにおいて、各電力レベルは、フレーム内の1つのトランスポートチャネルのための最小電力レベルである;
干渉信号がそれらの電力レベルに関連する1つ以上のトランスポートチャネルと干渉するとき、1つ以上の干渉電力レベルに従って、前記複数の電力レベルの1つ以上を増加する;
前記複数の最小電力レベルの中で最も高い電力レベルを選択する;および
前記最も高い電力レベルに従って前記電力レベル信号を生成する。 - 無線通信装置を含み、複数のトランスポートチャネルを具備する信号に基づいて動作可能である無線通信システム、各トランスポートチャネルは、複数のフォーマットの1つに関連し、前記チャネルの数とフォーマットは、フレームごとに変化可能であり、さらに、干渉信号に基づいて動作可能であり、その時間と期間は、既知である、該無線通信システムは下記を具備する:
電力レベル信号に応答して、種々の電力レベルで、前記複数のトランスポートチャネルを具備する信号を送信するための、可変電力レベル送信器;
下記動作を実行するプロセッサ:
複数の最小電力レベルを決定する、ここにおいて、各電力レベルは、前記フレーム内の1つのトランスポートチャネルのための最小電力レベルである;
干渉信号がそれらの電力レベルに関連する前記1つ以上のトランスポートチャネルと干渉するとき、1つ以上の干渉電力レベルに従って、前記複数の電力レベルの1つ以上を増加する;
前記複数の最小電力レベルの中で最も高い電力レベルを選択する;および
前記最も高い電力レベルに従って前記電力レベル信号を生成する。 - 複数のフォーマットチャネルとの干渉を低減する方法、該方法は下記を具備する:
干渉を経験するであろう1つ以上のトランスポートチャネルを決定する;
前記トランスポートチャネル内の各フォーマットに必要な最小電力レベルを決定し、干渉を経験するであろう前記トランスポートチャネルのための前記最小電力レベルを増加する;
前記最小電力レベルのうちで最大のものを送信電力レベルとして選択する;および
前記送信電力レベルに従って前記複数のフォーマットチャネルを送信する。 - 前記最小電力レベルは、閉ループ電力制御機構に従って更新される、請求項19の方法。
- 前記最小電力増加は、前記チャネルに関連する拡散係数に基づいて計算される、請求項19の方法。
- 前記最小電力レベルは、前記送信された信号を受信する無線通信装置のジオメトリ(geometry)にもとづいて計算される、請項19の方法。
- 各フォーマットに必要な前記最小電力レベルは、電力レベルテーブルからそのフォーマットに関連する電力レベルを選択することにより決定される、請求項19の方法。
- 干渉されたチャネルに関する前記最小電力レベルは、前記電力レベルテーブルに記憶される1つ以上の干渉電力レベルから選択される、請求項23の方法。
- 干渉されたチャネルに関する前記最小電力レベルは、前記電力レベルテーブルに記憶された非干渉電力レベルを選択し、前記テーブルに記憶された干渉オフセットを選択し、および前記干渉オフセットを前記非干渉電力レベルに付加して、前記干渉されたチャネルに関する前記最小電力レベルを生成することにより決定される、請求項23の方法。
- 下記を具備する装置:
干渉を経験するであろう1つ以上のトランスポートチャネルを決定する手段;
前記トランスポートチャネル内の各フォーマットに必要な最小電力レベルを決定し、干渉を経験するであろう前記トランスポートチャンネルに関する前記最小電力レベルを増加する手段;
送信電力レベルとして前記最小電力レベルの最大を選択する手段;および
前記送信電力レベルに従って複数のフォーマットチャネルを送信する手段。 - テーブルに記憶された1つ以上の干渉電力レベルを選択する手段をさらに具備する、請求項26の装置。
- 下記を具備する無線通信装置:
干渉を経験するであろう1つ以上のトランスポートチャネルを決定する手段;
前記チャネル内の各フォーマットに必要な最小電力レベルを決定し、干渉を経験するであろう前記トランスポートチャネルのための前記最小電力レベルを増加する手段;
前記最小電力レベルのうちで最大のものを送信電力レベルとして選択する手段;および
前記送信電力レベルに従って複数のフォーマットチャネルを送信する手段。 - 無線通信装置を含み、下記を具備する無線通信システム:
干渉を経験するであろう1つ以上のトランスポートチャネルを決定する手段;
前記チャネル内の各フォーマットに必要な最小電力レベルを決定し、干渉を経験するであろう前記トランスポートチャネルに関する最小電力レベルを増加する手段;
送信電力レベルとして前記最小電力レベルの最大を選択する手段;および
前記送信電力レベルに従って複数のフォーマットチャネルを送信する手段。 - 下記ステップを実行するように動作可能なプロセッサ読み取り可能媒体:
干渉を経験するであろう1つ以上のトランスポートチャネルを決定する;
前記トランスポートチャネル内の各フォーマットに必要な最小電力レベルを決定し、干渉を経験するであろう前記トランスポートチャネルに関する前記最小電力レベルを増加する;
送信電力レベルとして前記最小電力レベルの最大を選択する;および
前記送信電力レベルに従って複数のフォーマットチャネルを送信する。 - 電力レベルテーブルに記憶された1つ以上の干渉電力レベルを選択するステップを実行するようにさらに動作可能である、請求項30のプロセッサ読み取り可能媒体。
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Application Number | Priority Date | Filing Date | Title |
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US10/209,163 US7751843B2 (en) | 2002-07-29 | 2002-07-29 | Reducing interference with a multiple format channel in a communication system |
PCT/US2003/023858 WO2004012361A1 (en) | 2002-07-29 | 2003-07-29 | Reducing interference and controlling power with a multiple format channel in a communication system |
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JP2005535178A JP2005535178A (ja) | 2005-11-17 |
JP2005535178A5 JP2005535178A5 (ja) | 2009-08-13 |
JP4532271B2 true JP4532271B2 (ja) | 2010-08-25 |
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US (2) | US7751843B2 (ja) |
EP (2) | EP1527528B1 (ja) |
JP (1) | JP4532271B2 (ja) |
KR (1) | KR101004970B1 (ja) |
CN (1) | CN1682466B (ja) |
AT (1) | ATE385079T1 (ja) |
AU (1) | AU2003254270A1 (ja) |
BR (1) | BR0313066A (ja) |
DE (1) | DE60318859T2 (ja) |
TW (1) | TWI347758B (ja) |
WO (1) | WO2004012361A1 (ja) |
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AU2003254270A1 (en) | 2004-02-16 |
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US7751843B2 (en) | 2010-07-06 |
US20110009152A1 (en) | 2011-01-13 |
KR20050026064A (ko) | 2005-03-14 |
WO2004012361A1 (en) | 2004-02-05 |
EP1890394A2 (en) | 2008-02-20 |
BR0313066A (pt) | 2005-08-09 |
KR101004970B1 (ko) | 2011-01-04 |
EP1890394B1 (en) | 2012-11-21 |
CN1682466A (zh) | 2005-10-12 |
EP1890394A3 (en) | 2011-10-12 |
US8155689B2 (en) | 2012-04-10 |
EP1527528B1 (en) | 2008-01-23 |
DE60318859T2 (de) | 2009-01-15 |
DE60318859D1 (de) | 2008-03-13 |
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