JP4567010B2 - 周波数分割多元接続通信システムにおけるアップリンク資源割当用の方法および装置 - Google Patents
周波数分割多元接続通信システムにおけるアップリンク資源割当用の方法および装置 Download PDFInfo
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- JP4567010B2 JP4567010B2 JP2007007848A JP2007007848A JP4567010B2 JP 4567010 B2 JP4567010 B2 JP 4567010B2 JP 2007007848 A JP2007007848 A JP 2007007848A JP 2007007848 A JP2007007848 A JP 2007007848A JP 4567010 B2 JP4567010 B2 JP 4567010B2
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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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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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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
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
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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
- H04W52/14—Separate analysis of uplink or downlink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
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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)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Description
Claims (9)
- 周波数分割多元接続通信システムにおけるアップリンクパワー割当用の方法であって、
複数のユーザ端末(UE)のうちの各ユーザ端末(UE)に関連してチャネル状態を決定するチャネル状態決定工程と、
各UEに関連する測定された伝搬損失のスケーリングについてのパラメータであるαを決定するスケーリングパラメータ決定工程と、
各UEの最大送信パワーを決定する最大送信パワー決定工程と、
決定した複数のUEのチャネル状態に基づき伝搬損失しきい値を決定する伝搬損失しきい値決定工程と、
複数のUEのうちの各UEのアップリンク送信パワーレベルを、α、最大送信パワー、および伝搬損失しきい値と、該UEに関連して決定したチャネル状態とに基づき決定するアップリンク送信パワーレベル決定工程と、からなる方法。 - 伝搬損失しきい値決定工程は、
複数のユーザ端末のうちの各ユーザ端末に関連したチャネル状態に基づき複数のユーザ端末を順位付ける工程と、
順位付けの所定のパーセンタイルに対応する複数のユーザ端末のうちの1つのユーザ端末の伝搬損失を決定し、伝搬損失しきい値を生成する工程と、を含む請求項1に記載の方法。 - アップリンク送信パワーレベル決定工程は、
UEの最大送信パワーを決定する工程と、
伝搬損失しきい値と、UEに関連したチャネル状態とに基づき、UEのパワー制御パラメータ分数を決定する工程と、
最大送信パワーおよびパワー制御パラメータ分数に基づき、UEのアップリンク送信パワーレベルを決定する工程と、を含む請求項1に記載の方法。 - アップリンク送信パワーレベル決定工程は、
決定した伝搬損失しきい値をブロードキャストする工程と、
複数のUEのうちの各UEによって、伝搬損失しきい値と、UEのダウンリンクチャネル状態測定とに基づきUEのアップリンク送信パワーレベルを決定する工程と、を含む請求項1に記載の方法。 - 周波数分割多元接続通信システムにおいて動作することの可能な無線接続ネットワークであって、複数のユーザ端末(UE)のうちの各ユーザ端末(UE)に関連してチャネル状態を決定し、各UEに関連する測定された伝搬損失のスケーリングについてのパラメータであるαを決定し、各UEの最大送信パワーを決定し、決定したチャネル状態に基づき伝搬損失しきい値を決定し、かつ、複数のUEのうちの各UEのアップリンク送信パワーレベルを、α、最大送信パワー、および伝搬損失しきい値と、該UEに関連して決定したチャネル状態とに基づき決定するように構成されているプロセッサを備える無線接続ネットワーク。
- 決定したチャネル状態に基づき複数のユーザ端末を順位付け、順位付けの所定のパーセンタイルに対応する複数のユーザ端末のうちの1つのユーザ端末の伝搬損失を決定し、伝搬損失しきい値を生成することによって、伝搬損失しきい値を決定するようにプロセッサが構成されていることを含む請求項6に記載の無線接続ネットワーク。
- UEの最大送信パワーを決定し、伝搬損失しきい値とUEに関連したチャネル状態とに基づきUEのパワー制御パラメータ分数を決定し、かつ、最大送信パワーおよびパワー制御パラメータ分数に基づきUEのアップリンク送信パワーレベルを決定することによって、複数のユーザ端末(UE)のうちの1つのユーザ端末(UE)のアップリンク送信パワーレベルを決定するようにプロセッサが構成されていることを含む請求項6に記載の無線接続ネットワーク。
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US75970006P | 2006-01-18 | 2006-01-18 | |
US11/621,125 US8098644B2 (en) | 2006-01-18 | 2007-01-09 | Method and apparatus for uplink resource allocation in a frequency division multiple access communication system |
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JP2007195184A JP2007195184A (ja) | 2007-08-02 |
JP4567010B2 true JP4567010B2 (ja) | 2010-10-20 |
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JP2007007848A Active JP4567010B2 (ja) | 2006-01-18 | 2007-01-17 | 周波数分割多元接続通信システムにおけるアップリンク資源割当用の方法および装置 |
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US (1) | US8098644B2 (ja) |
EP (3) | EP2200379B1 (ja) |
JP (1) | JP4567010B2 (ja) |
KR (1) | KR100933606B1 (ja) |
CN (1) | CN101868016B (ja) |
CA (1) | CA2573876C (ja) |
IL (1) | IL180669A (ja) |
TW (1) | TWI419491B (ja) |
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EP1811683B1 (en) | 2017-06-28 |
US20070178930A1 (en) | 2007-08-02 |
EP2200379B1 (en) | 2017-06-28 |
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CN101868016B (zh) | 2013-08-28 |
JP2007195184A (ja) | 2007-08-02 |
EP2200380A3 (en) | 2012-04-11 |
EP1811683A2 (en) | 2007-07-25 |
IL180669A (en) | 2012-05-31 |
EP2200379A3 (en) | 2012-04-11 |
CA2573876A1 (en) | 2007-07-18 |
TWI419491B (zh) | 2013-12-11 |
EP2200380B1 (en) | 2017-07-05 |
CN101868016A (zh) | 2010-10-20 |
US8098644B2 (en) | 2012-01-17 |
CA2573876C (en) | 2010-09-28 |
KR20070076533A (ko) | 2007-07-24 |
KR100933606B1 (ko) | 2009-12-23 |
EP2200380A2 (en) | 2010-06-23 |
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IL180669A0 (en) | 2007-07-04 |
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