JP5023170B2 - ユーザ装置、基地局装置及び通信制御方法 - Google Patents
ユーザ装置、基地局装置及び通信制御方法 Download PDFInfo
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- 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
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- 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
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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- 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
- H04W52/24—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. 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
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
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- 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
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
-
- 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
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Description
以下、本発明の第1の実施形態に係る移動通信システムについて、図面を参照しつつ説明する。本実施形態を説明するための全図において、同一機能を有するものは同一符号を用い、繰り返しの説明は省略する。
また、上述の例においては、1つのコンポーネントキャリアが存在したが、2つ以上のコンポーネントキャリアが存在する場合で、かつ、その2つ以上のコンポーネントキャリアにおいて、複数のシングルキャリア送信を同時に行う場合も、マルチキャリア送信と看做される。
図5に示すように、上りリンク信号送信部12は、1本の送信アンテナ又は送信機、すなわち、TX0を用いて、シングルキャリアによって、上りリンクの信号を送信するように構成されていてもよい。
図6に示すように、上りリンク信号送信部12は、2本の送信アンテナ又は送信機、すなわち、TX0及びTX1を用いて、シングルキャリアによって、上りリンクの信号を送信するように構成されていてもよい。
図7(a)乃至図7(c)に示すように、上りリンク信号送信部12は、1本の送信アンテナ又は送信機、すなわち、TX0を用いて、或いは、2本の送信アンテナ又は送信機、すなわち、TX0及びTX1を用いて、同一周波数帯域内のマルチキャリアによって、上りリンクの信号を送信するように構成されていてもよい。
図8に示すように、上りリンク信号送信部12は、2本の送信アンテナ又は送信機、すなわち、TX0及びTX1を用いて、異なる周波数帯域内のマルチキャリアによって、上りリンクの信号を送信するように構成されていてもよい。
図14を参照して、本発明の第1の実施形態に係る移動通信システムの動作について、具体的には、本発明の第1の実施形態に係るユーザ装置の動作について説明する。
(MPRが適用された場合の最大送信電力)=Pmax − MPR
すなわち、最大送信電力は、MPRが適用される場合、MPRの分だけ値が小さくなる。
本発明の第1の実施形態に係る移動通信システムによれば、ユーザ装置100nは、制御信号により通知されるパラメータ(上りリンクの送信キャリアの数、各送信キャリアに関する上りリンクの信号の送信帯域幅、各送信キャリアに関する上りリンクの信号の変調方式、各送信キャリアに関する上りリンクの信号の送信周波数)及び上りリンクの信号の送信に用いられる送信アンテナ又は送信機の数の少なくとも1つに基づいて、「MPR(dB)」を制御することによって、上述のパターン0乃至3の各々に適した上りリンクの信号の送信電力を設定することができる。
11…制御信号受信部
12…上りリンク信号送信部
13…記憶部
200…基地局装置
21…第1送信部
22…第2送信部
23…記憶部
24…受信部
Claims (2)
- 移動通信システム内で、基地局装置との間の上りリンクにおいて、2つ以上のコンポーネントキャリアにまたがったマルチキャリア通信を行うことができるように構成されているユーザ装置であって、
前記上りリンクの信号の送信を指示する制御信号を受信するように構成されている制御信号受信部と、
前記基地局装置に対して、前記制御信号に基づいて、前記上りリンクの信号を送信するように構成されている上りリンク信号送信部とを具備し、
前記上りリンク信号送信部は、前記コンポーネントキャリアの数、前記上りリンクの信号の送信帯域幅、該上りリンクの信号の変調方式及び該コンポーネントキャリア間の送信周波数間隔に基づいて、該上りリンクの信号の送信電力の最大値を、前記移動通信システムで規定されている定格電力よりも小さくするように構成されていることを特徴とするユーザ装置。 - 移動通信システム内で、ユーザ装置と基地局装置との間の上りリンクにおいて、複数のコンポーネントキャリアにまたがったマルチキャリア通信を行う通信制御方法であって、
前記上りリンクの信号の送信を指示する制御信号を受信する工程Aと、
前記基地局装置に対して、前記制御信号に基づいて、前記上りリンクの信号を送信する工程Bとを備え、
前記工程Bにおいて、前記コンポーネントキャリアの数、前記上りリンクの信号の送信帯域幅、該上りリンクの信号の変調方式及び該コンポーネントキャリア間の送信周波数間隔に基づいて、該上りリンクの信号の送信電力の最大値を、前記移動通信システムで規定されている定格電力よりも小さくすることを特徴とする通信制御方法。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010030749A JP5023170B2 (ja) | 2009-04-27 | 2010-02-15 | ユーザ装置、基地局装置及び通信制御方法 |
BRPI1016141A BRPI1016141A2 (pt) | 2009-04-27 | 2010-04-22 | equipamento de usuario, dispositivo de estacao base e metodo de controle de comunicacaojp |
KR1020117026172A KR20120010255A (ko) | 2009-04-27 | 2010-04-22 | 유저장치, 기지국장치 및 통신제어방법 |
US13/266,389 US9078217B2 (en) | 2009-04-27 | 2010-04-22 | User equipment, base station device, and communication control method |
EP10769668.4A EP2426824B1 (en) | 2009-04-27 | 2010-04-22 | User device, base station device, and communication control method |
AU2010242680A AU2010242680B2 (en) | 2009-04-27 | 2010-04-22 | User equipment, base station device, and communication control method |
CN201080018532.8A CN102414992B (zh) | 2009-04-27 | 2010-04-22 | 用户装置、基站装置以及通信控制方法 |
PCT/JP2010/057171 WO2010125969A1 (ja) | 2009-04-27 | 2010-04-22 | ユーザ装置、基地局装置及び通信制御方法 |
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JP2010030749A JP5023170B2 (ja) | 2009-04-27 | 2010-02-15 | ユーザ装置、基地局装置及び通信制御方法 |
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JP2012069671A Division JP2012124967A (ja) | 2009-04-27 | 2012-03-26 | ユーザ装置、基地局装置及び通信制御方法 |
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JP2010279018A5 JP2010279018A5 (ja) | 2011-10-27 |
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US (1) | US9078217B2 (ja) |
EP (1) | EP2426824B1 (ja) |
JP (1) | JP5023170B2 (ja) |
KR (1) | KR20120010255A (ja) |
CN (1) | CN102414992B (ja) |
AU (1) | AU2010242680B2 (ja) |
BR (1) | BRPI1016141A2 (ja) |
WO (1) | WO2010125969A1 (ja) |
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EP2680655A1 (en) * | 2008-10-31 | 2014-01-01 | Interdigital Patent Holdings, Inc. | Providing control information for multi-carrier uplink transmission |
EP3197230B1 (en) * | 2008-12-03 | 2021-07-07 | Interdigital Patent Holdings, Inc. | Uplink power headroom reporting for carrier aggregation |
WO2010082888A1 (en) * | 2009-01-14 | 2010-07-22 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement in a wireless communication system |
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2010
- 2010-02-15 JP JP2010030749A patent/JP5023170B2/ja active Active
- 2010-04-22 KR KR1020117026172A patent/KR20120010255A/ko not_active Application Discontinuation
- 2010-04-22 CN CN201080018532.8A patent/CN102414992B/zh active Active
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CN102414992B (zh) | 2014-04-16 |
US20120044898A1 (en) | 2012-02-23 |
EP2426824B1 (en) | 2018-10-17 |
AU2010242680B2 (en) | 2013-10-17 |
EP2426824A1 (en) | 2012-03-07 |
US9078217B2 (en) | 2015-07-07 |
EP2426824A4 (en) | 2012-12-05 |
AU2010242680A1 (en) | 2011-11-24 |
CN102414992A (zh) | 2012-04-11 |
JP2010279018A (ja) | 2010-12-09 |
WO2010125969A1 (ja) | 2010-11-04 |
KR20120010255A (ko) | 2012-02-02 |
BRPI1016141A2 (pt) | 2016-04-19 |
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