JP5203500B2 - 無線通信システムのノードを制御するための装置および方法 - Google Patents
無線通信システムのノードを制御するための装置および方法 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
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
- H04B7/0693—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas switching off a diversity branch, e.g. to save power
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/06—Hybrid resource partitioning, e.g. channel borrowing
-
- 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
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
-
- 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)
Description
Claims (12)
- 無線通信システムのノードを制御するための装置(100)であって、該ノードは複数のアンテナを備え、該装置は、
無線通信システムにおけるトラフィック負荷(112)を判定するように構成されるトラフィック負荷判定器(110)と、
無線通信システムの他のノードとのノードの利用可能な協調キャパシティ(122)を判定するように構成される協調キャパシティ判定器(120)と、
判定されたトラフィック負荷(112)と判定された利用可能な協調キャパシティ(122)とに基づいてノードのアンテナを動作させあるいは停止させるように構成される電力制御ユニット(130)と、
を備える、装置(100)。 - 前記電力制御ユニット(130)は、判定されたトラフィック負荷(112)が下側の負荷閾値(1010)よりも低い場合にはノードの複数のアンテナのうちの動作アンテナの数を減らし、判定されたトラフィック負荷が上側の負荷閾値(1020)よりも高い場合には動作アンテナの数を増大させるように構成される、請求項1に記載の装置。
- 前記電力制御ユニット(130)は、判定されたトラフィック負荷(112)が上側の負荷閾値(1020)よりも高い場合あるいは下側の負荷閾値(1010)よりも低い場合には、判定されたトラフィック負荷(112)と判定された利用可能な協調キャパシティ(122)とに基づいて、複数のアンテナのうちから動作アンテナの所要の組を決定するように構成され、前記電力制御ユニット(130)は、アンテナの決定された所要の組に基づいてノードのアンテナを動作させあるいは停止させるように構成される、請求項1または2に記載の装置。
- 前記電力制御ユニット(130)は、少なくとも1つの無線ユーザ機器のサービスの質の制約が満たされるように動作アンテナの所要の組を決定するように構成される、請求項3に記載の装置。
- 前記電力制御ユニット(130)は、動作アンテナの決定された所要の組を使用し且つ判定された利用可能な協調キャパシティ(122)を少なくとも部分的に使用することにより少なくとも1つの無線ユーザ機器のサービスの質の制約を満たすことができる一方で、動作アンテナの決定された所要の組を使用しただけでは少なくとも1つの無線ユーザ機器のサービスの質の制約を満たすことができないように、動作アンテナの所要の組を決定するように構成される、請求項4に記載の装置。
- 前記電力制御ユニット(130)は、判定された利用可能な協調キャパシティ(122)の考慮の下で、動作アンテナの所要の組が、判定されたトラフィック負荷(112)を満たす最少数の所要の動作アンテナを備えるように、動作アンテナの所要の組を決定するように構成される、請求項3〜5のいずれか一項に記載の装置。
- 前記電力制御ユニット(130)は、動作アンテナの数を増大させあるいは減少させた後に上側の負荷閾値(1020)および下側の負荷閾値(1010)を調整するように構成される、請求項2〜6のいずれか一項に記載の装置。
- 前記協調キャパシティ判定器(120)は、少なくとも1つの隣接するノードに対して協調キャパシティ要求を送信して、少なくとも1つの隣接するノードから受信される協調キャパシティ応答に基づいて利用可能な協調キャパシティ(122)を判定するように構成される、請求項1〜7のいずれか一項に記載の装置。
- 前記電力制御ユニット(130)は、アンテナに接続される送信器の電力増幅器を動作させあるいは停止させることによってノードのアンテナを動作させあるいは停止させるように構成される、請求項1〜8のいずれか一項に記載の装置。
- 前記電力制御ユニット(130)は、ノードの複数のアンテナのうちの少なくとも1つのアンテナを動作状態に維持するように構成される、請求項1〜9のいずれか一項に記載の装置。
- 無線通信システムのノードを制御するための方法(1700)であって、該ノードが複数のアンテナを備え、該方法は、
無線通信システムにおけるトラフィック負荷を判定するステップ(1710)と、
無線通信システムの他のノードとのノードの利用可能な協調キャパシティを判定するステップ(1720)と、
判定されたトラフィック負荷と判定された利用可能な協調キャパシティとに基づいてノードのアンテナを動作させるあるいは停止させるステップ(1730)と、
を含む、方法(1700)。 - コンピュータまたはマイクロコントローラで実行するときに請求項11に記載の方法を実行するためのプログラムコードを伴うコンピュータプログラム。
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EP10196534.1 | 2010-12-22 | ||
EP20100196534 EP2469721B1 (en) | 2010-12-22 | 2010-12-22 | Apparatus and method for controlling a node of a wireless communication system |
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JP2012134978A JP2012134978A (ja) | 2012-07-12 |
JP5203500B2 true JP5203500B2 (ja) | 2013-06-05 |
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US (1) | US8849332B2 (ja) |
EP (1) | EP2469721B1 (ja) |
JP (1) | JP5203500B2 (ja) |
KR (1) | KR101309611B1 (ja) |
CN (1) | CN102595501A (ja) |
BR (1) | BRPI1107465A2 (ja) |
RU (1) | RU2502188C2 (ja) |
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KR101066326B1 (ko) * | 2008-04-04 | 2011-09-20 | 서강대학교산학협력단 | 분산 안테나 시스템에서 스케줄링 장치 및 방법 |
CN101860948B (zh) * | 2009-04-13 | 2014-07-30 | 华为技术有限公司 | 功耗调节的方法、设备及*** |
US8238234B2 (en) * | 2009-06-03 | 2012-08-07 | Qualcomm Incorporated | Switching between MIMO and receiver beam forming in a peer-to-peer network |
CA2713468C (en) * | 2009-08-20 | 2013-11-26 | Research In Motion Limited | Method for controlling of receive diversity in an antenna system |
EP2445246A1 (en) * | 2010-10-22 | 2012-04-25 | NTT DoCoMo, Inc. | Apparatus and method for determining a core network configuration of a wireless communication system |
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KR101309611B1 (ko) | 2013-10-14 |
JP2012134978A (ja) | 2012-07-12 |
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CN102595501A (zh) | 2012-07-18 |
RU2011152041A (ru) | 2013-06-27 |
BRPI1107465A2 (pt) | 2015-08-18 |
EP2469721A1 (en) | 2012-06-27 |
EP2469721B1 (en) | 2014-04-23 |
RU2502188C2 (ru) | 2013-12-20 |
US20120165063A1 (en) | 2012-06-28 |
US8849332B2 (en) | 2014-09-30 |
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