JPWO2015174327A1 - ユーザ端末、無線基地局及び無線通信方法 - Google Patents
ユーザ端末、無線基地局及び無線通信方法 Download PDFInfo
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- JPWO2015174327A1 JPWO2015174327A1 JP2016519226A JP2016519226A JPWO2015174327A1 JP WO2015174327 A1 JPWO2015174327 A1 JP WO2015174327A1 JP 2016519226 A JP2016519226 A JP 2016519226A JP 2016519226 A JP2016519226 A JP 2016519226A JP WO2015174327 A1 JPWO2015174327 A1 JP WO2015174327A1
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- drx
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- intermittent reception
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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
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
-
- 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
-
- 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
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- 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
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
-
- 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)
- Circuits Of Receivers In General (AREA)
Abstract
Description
第1の態様では、下り制御情報(DCI)を利用することにより、ユーザ端末にULグラントと間欠受信への遷移指示を同じタイミングで行う場合について説明する。
第2の態様では、MAC制御要素(MAC CE)を利用することにより、ユーザ端末にULグラントと間欠受信状態への遷移指示を同じタイミングで行う場合について説明する。
以下、本実施の形態に係る無線通信システムについて、詳細に説明する。この無線通信システムでは、上記第1の態様、第2の態様に係る無線通信方法が適用される。なお、上記第1の態様、第2の態様に係る無線通信方法は、単独で適用されてもよいし、適宜組み合わせて適用されてもよい。
Claims (10)
- 少なくともULグラントを含むDL信号を受信する受信部と、
間欠受信動作を制御するDRX制御部と、を有し、
前記DRX制御部は、前記ULグラントを含むDL信号を受信した場合に、当該DL信号に含まれるDRX遷移指示情報に基づいて間欠受信動作を制御することを特徴とするユーザ端末。 - 前記DRX制御部は、前記ULグラントを含むDL信号で間欠受信状態への遷移が指示された場合、所定期間後に間欠受信状態へ遷移することを特徴とする請求項1に記載のユーザ端末。
- 前記DRX制御部は、前記ULグラントを含むDL信号で間欠受信状態への遷移が指示された後であって、間欠受信状態へ遷移する前にdrx-InactivityTimerの起動又は再起動の指示を受けた場合、間欠受信状態への遷移を中止することを特徴とする請求項1に記載のユーザ端末。
- 前記DRX制御部は、前記ULグラントを含むDL信号で間欠受信状態への遷移が指示された場合であっても、前記ULグラントに基づいて送信したUL信号に対する肯定的な送達確認信号を受信できない場合、間欠受信状態への遷移を中止することを特徴とする請求項1に記載のユーザ端末。
- 前記DRX制御部は、前記ULグラントを含むDL信号で間欠受信状態への遷移が指示された場合、drx-InactivityTimerの起動又は再起動を行わないことを特徴とする請求項1に記載のユーザ端末。
- 前記DRX遷移指示情報がULグラントを指示する下り制御情報に含められて下り制御チャネルで送信されることを特徴とする請求項1から請求項5のいずれかに記載のユーザ端末。
- 前記DRX遷移指示情報とULグラントがMAC制御要素に含められて送信されることを特徴とする請求項1から請求項5のいずれかに記載のユーザ端末。
- 前記DRX遷移指示情報とULグラント含むMAC制御要素は、MACペイロード内でULグラントを指示するMACランダムアクセスレスポンスを利用したものであることを特徴とする請求項7に記載のユーザ端末。
- ユーザ端末にUL割当てを指示するULグラントを送信する送信部と、
前記ユーザ端末の間欠受信動作を制御するためのDRX遷移指示情報を生成する生成部と、を有し、
前記送信部は、DRX遷移指示情報をULグラントと同じタイミングで送信することを特徴とする無線基地局。 - 間欠受信を行うユーザ端末と無線基地局との無線通信方法であって、
前記無線基地局からユーザ端末に対して、UL割当てを指示するULグラントと、前記ユーザ端末の間欠受信動作を制御するためのDRX遷移指示情報とを含むDL信号を送信する工程と、
前記ユーザ端末が、ULグラントとDRX遷移指示情報とを含むDL信号を受信する工程と、受信したDRX遷移指示情報に基づいて間欠受信を制御する工程と、を有することを特徴とする無線通信方法。
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JP2014101526 | 2014-05-15 | ||
JP2014101526 | 2014-05-15 | ||
PCT/JP2015/063245 WO2015174327A1 (ja) | 2014-05-15 | 2015-05-08 | ユーザ端末、無線基地局及び無線通信方法 |
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JPWO2015174327A1 true JPWO2015174327A1 (ja) | 2017-04-20 |
JP6174249B2 JP6174249B2 (ja) | 2017-08-02 |
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US (1) | US20170099635A1 (ja) |
EP (1) | EP3145251B1 (ja) |
JP (1) | JP6174249B2 (ja) |
CN (1) | CN106465270B (ja) |
CL (1) | CL2016002897A1 (ja) |
DK (1) | DK3145251T3 (ja) |
HU (1) | HUE056951T2 (ja) |
WO (1) | WO2015174327A1 (ja) |
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WO2019136645A1 (zh) * | 2018-01-10 | 2019-07-18 | Oppo广东移动通信有限公司 | 用于确定终端设备状态的方法、终端设备和接入网设备 |
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Publication number | Publication date |
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US20170099635A1 (en) | 2017-04-06 |
CL2016002897A1 (es) | 2017-07-14 |
WO2015174327A1 (ja) | 2015-11-19 |
CN106465270A (zh) | 2017-02-22 |
JP6174249B2 (ja) | 2017-08-02 |
CN106465270B (zh) | 2020-07-21 |
EP3145251B1 (en) | 2021-11-17 |
EP3145251A1 (en) | 2017-03-22 |
DK3145251T3 (da) | 2021-12-06 |
EP3145251A4 (en) | 2017-12-20 |
HUE056951T2 (hu) | 2022-03-28 |
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