JP2016054511A - 直交周波数分割多重接続方法を使用する無線通信システムにおいて基地局の電力増幅器消耗電力制御方法及び装置 - Google Patents
直交周波数分割多重接続方法を使用する無線通信システムにおいて基地局の電力増幅器消耗電力制御方法及び装置 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004891 communication Methods 0.000 title claims abstract description 18
- 238000012790 confirmation Methods 0.000 claims abstract description 6
- 238000010586 diagram Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 238000013468 resource allocation Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
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Classifications
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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
- H04W52/02—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
-
- 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
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- 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)
- Amplifiers (AREA)
- Transmitters (AREA)
Abstract
【解決手段】本発明は、無線資源に関するスケジューリング情報を確認する確認段階と、前記確認結果を利用してユーザデータが割り当てられていないシンボルの存在有無を判断する判断段階と、前記ユーザデータが割り当てられていないシンボルが存在するとき、前記ユーザデータが割り当てられていないシンボル区間では電力増幅器に印加されるバイアスをオフさせるバイアス制御段階とを含むことを特徴とする。本発明によれば、基地局は、ユーザデータが存在しないシンボル区間では電力増幅器のバイアスをオフ(off)するように制御するので、基地局電力増幅器の消耗電力を最適化することができる。
【選択図】図3
Description
210 コントローラー
220 スケジューラ
230 シンボル情報獲得部
240 RFユニット
250 フレーム同期感知部
260 シンボル位置感知部
270 バイアス制御部
280 電力増幅器
(図6の第2実施形態に対する基地局)
610 コントローラー
620 スケジューラ
630 RFユニット
640 フレーム同期感知部
650 シンボル電力感知部
660 シンボル位置感知部
670 バイアス制御部
680 電力増幅器
Claims (12)
- 無線通信システムで基地局の電力増幅器を制御する方法であって、
シンボルの区間を確認する段階と、
フレームのシンボルがデータを含んでいるか確認する段階と、
前記確認の結果に基づいて電力増幅器の電力の供給を制御する段階と、
を含み、
前記フレームの前記シンボルがデータを含んでいれば前記シンボルの区間で前記電力増幅器に電力が供給されるように制御し、
前記フレームの前記シンボルがデータを含んでいなければ前記シンボルの区間で前記電力増幅器に電力が供給されないように制御することを特徴とする基地局の電力増幅器の制御方法。 - 前記フレームのシンボルがデータを含んでいるか確認する段階は、
無線資源に関するスケジューリング情報とRFユニットに対する信号のうちの少なくとも一つに基づいて、前期フレーム内のデータを含んでいないシンボルを確認する段階を含むことを特徴とする請求項1に記載の基地局の電力増幅器の制御方法。 - 前記フレームのシンボルがデータを含んでいるか確認する段階は、
前記フレームに含まれた各シンボルに対する電力に基づいてデータが含まれていないシンボルに対する情報を取得する段階を含むことを特徴とする請求項1に記載の基地局の電力増幅器の制御方法。 - 前記フレームのシンボルがデータを含んでいるか確認する段階は、
データが含まれていないシンボルの位置を判断する段階と、
データを含むシンボルの長さを計算する段階と、
を含むことを特徴とする請求項1に記載の基地局の電力増幅器の制御方法。 - データを含むシンボルの区間で前記電力増幅器をオンさせることを特徴とする請求項4に記載の基地局の電力増幅器の制御方法。
- 前記フレームの前記シンボルがデータを含んでいなければ前記電力増幅器をオフさせることを特徴とする請求項1に記載の基地局の電力増幅器の制御方法。
- 無線通信システムの基地局であって、前記基地局は、
無線資源を割り当てるスケジューラと、
信号を送受信するRFユニットと、
を含み、
前記RFユニットは、シンボルの区間を確認し、フレームのシンボルがデータを含んでいるか確認し、前記確認の結果に基づいて電力増幅器の電力の供給を制御し、
前記フレームの前記シンボルがデータを含んでいれば前記シンボルの区間で前記電力増幅器に電力が供給されるように制御し、
前記フレームの前記シンボルがデータを含んでいなければ前記シンボルの区間で前記電力増幅器に電力が供給されないように制御することを特徴とする基地局。 - 前記RFユニットは、
無線資源に関するスケジューリング情報と前記RFユニットに対する信号のうちの少なくとも一つに基づいて、前期フレーム内のデータを含んでいないシンボルを確認するとを特徴とする請求項7に記載の基地局。 - 前記RFユニットは、
前記フレームに含まれた各シンボルに対する電力に基づいてデータが含まれていないシンボルに対する情報を取得することを特徴とする請求項7に記載の基地局。 - 前記RFユニットは、
データが含まれていないシンボルの位置を判断し、データを含むシンボルの長さを計算することを特徴とする請求項7に記載の基地局。 - 前記RFユニットは、
データを含むシンボルの区間で前記電力増幅器をオンさせることを特徴とする請求項10に記載の基地局。 - 前記RFユニットは、
前記フレームの前記シンボルがデータを含んでいなければ前記電力増幅器をオフさせることを特徴とする請求項7に記載の基地局。
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KR20100080772 | 2010-08-20 | ||
KR10-2010-0080772 | 2010-08-20 | ||
KR1020100110855A KR20120018266A (ko) | 2010-08-20 | 2010-11-09 | 직교 주파수 분할 다중 접속 방법을 사용하는 무선 통신 시스템에서 기지국의 전력 증폭기 소모 전력 제어 방법 및 장치 |
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JP2015219796A Active JP6279533B2 (ja) | 2010-08-20 | 2015-11-09 | 直交周波数分割多重接続方法を使用する無線通信システムにおいて基地局の電力増幅器消耗電力制御方法及び装置 |
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