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公开(公告)号：US20180206241A1
公开(公告)日：2018-07-19
申请号：US15921231
申请日：2018-03-14
申请人： KYOCERA CORPORATION
CPC分类号： H04W72/082 , H04L5/0007 , H04L5/0048 , H04L5/0053 , H04W16/14 , H04W56/001 , H04W72/042 , H04W72/0446 , H04W72/1273 , H04W88/08
摘要： Abase station and user terminal are configured to perform radio communication with one another in a specific frequency band shared by a plurality of operators and/or a plurality of communication systems. The base station is configured to transmit to the user terminal a first synchronization signal at a start timing of downlink transmission, transmit a second synchronization signal at a timing different from the start timing, and differentiate a signal configuration related to the first synchronization signal from a signal configuration related to the second synchronization signal. A signal configuration related to the first synchronization signal is different from a signal configuration related to the second synchronization signal, and the user terminal distinguishes, based on a difference of the signal configuration, between the first synchronization signal and the second synchronization signal.
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公开(公告)号：US20180124848A1
公开(公告)日：2018-05-03
申请号：US15844677
申请日：2017-12-18
申请人： KYOCERA CORPORATION
发明人： Noriyoshi FUKUTA , Kugo MORITA , Chiharu YAMAZAKI
摘要： A communication control method, radio terminal and processor thereof include transmitting, by a base station, information on a priority to be used to establish a bearer for direct communication between terminals, receiving, by the radio terminal, the information on the priority from the base station, and establishing, by the radio terminal, a plurality of bearers in accordance with a priority of each of a plurality of pieces of data to be transmitted by the direct communication, on a basis of the information on the priority.
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公开(公告)号：US20180084542A1
公开(公告)日：2018-03-22
申请号：US15810466
申请日：2017-11-13
申请人： KYOCERA CORPORATION
发明人： Masato FUJISHIRO , Chiharu YAMAZAKI
CPC分类号： H04W72/0413 , H04L1/00 , H04L1/0023 , H04L1/0026 , H04L1/1812 , H04L1/1861 , H04W52/146 , H04W72/1252 , H04W72/1268 , H04W72/1284
摘要： A radio terminal that transmits uplink data to a base station using a PUSCH resource includes a controller configured to execute a process of transmitting a scheduling request for requesting allocation of the PUSCH resource to the base station using a PUCCH resource. The scheduling request includes buffer information indicating an amount of the uplink data in a transmission buffer of the radio terminal.
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公开(公告)号：US20170367047A1
公开(公告)日：2017-12-21
申请号：US15691430
申请日：2017-08-30
申请人： KYOCERA CORPORATION
发明人： Masato FUJISHIRO , Henry CHANG , Kugo MORITA , Susumu KASHIWASE , Fangwei TONG , Chiharu YAMAZAKI
CPC分类号： H04W52/0216 , H04W8/20 , H04W8/22 , H04W36/0055 , H04W36/32 , H04W52/0219 , H04W72/048 , H04W76/10 , H04W88/06 , Y02D70/00 , Y02D70/1242 , Y02D70/1262 , Y02D70/21
摘要： A base station according to a first feature is used in a mobile communication system in which a plurality of functions related to radio communication are specified. The base station includes a receiver that receives processor information related to a load state or an attribute of an processor included in a radio terminal from the radio terminal, a controller that selects at least one function to be executed by the radio terminal on the basis of the processor information, and a transmitter that transmits information indicating the selected function to the radio terminal.
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公开(公告)号：US20170332427A1
公开(公告)日：2017-11-16
申请号：US15669835
申请日：2017-08-04
申请人： KYOCERA CORPORATION
发明人： Chiharu YAMAZAKI , Kugo MORITA
CPC分类号： H04W76/14 , H04L5/00 , H04L5/0048 , H04L5/0053 , H04L25/0202 , H04W8/005 , H04W52/243 , H04W88/02 , H04W88/08
摘要： A communication system, first communication terminal, processor and base station that supports direct communication between terminals comprises a terminal that autonomously selects radio resources to be used in the direct communication, from among the candidate radio resources based on information received from the base station, performs the direct communication by use of the selected radio resources, and detects interference power after receiving the information indicating the candidate radio resources. The terminal transmits information on interference in the candidate radio resources to the base station in response to value of the detected interference power being higher than a threshold value.
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公开(公告)号：US20170311146A1
公开(公告)日：2017-10-26
申请号：US15644599
申请日：2017-07-07
申请人： KYOCERA CORPORATION
发明人： Masato FUJISHIRO , Chiharu YAMAZAKI , Kugo MORITA , Yushi NAGASAKA , Fangwei TONG , Henry CHANG
CPC分类号： H04W74/006 , H04B17/318 , H04L5/0062 , H04L47/40 , H04W4/80 , H04W8/005 , H04W48/08 , H04W52/383 , H04W68/12 , H04W72/0413 , H04W72/042 , H04W72/0453 , H04W72/048 , H04W72/0493 , H04W76/14 , H04W76/15 , H04W76/27 , H04W92/18
摘要： A communication control method comprises transmitting, by a user terminal to a base station, a message including information, where the information indicates a frequency used for receiving a discovery signal from another user terminal in a discovery procedure for discovering a proximal terminal. The communication control method further comprises notifying, by the user terminal, the base station of a resource used in the discovery procedure and included in system information of a cell different from a serving cell of the user terminal.
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公开(公告)号：US20170295576A1
公开(公告)日：2017-10-12
申请号：US15512739
申请日：2015-09-18
申请人： KYOCERA CORPORATION
发明人： Noriyoshi FUKUTA , Kugo MORITA , Masato FUJISHIRO , Chiharu YAMAZAKI , Naohisa MATSUMOTO , Hiroyuki URABAYASHI
CPC分类号： H04W72/0453 , H04B1/713 , H04J11/0069 , H04L5/0051 , H04W16/00 , H04W16/14 , H04W48/12 , H04W48/18 , H04W52/146 , H04W52/242 , H04W56/00 , H04W56/0015 , H04W72/085 , H04W74/004 , H04W74/0833 , H04W88/06 , H04W88/10
摘要： A base station according to an embodiment comprises a controller configured to manage a first cell operated using an allocation frequency band allocated by a mobile network operator and a second cell operated using a specific frequency band where occupying a frequency is not allowed by the mobile network operator. The controller performs processes of: transmitting to a mobile station through the first cell, an instruction signal that instructs transmission of a random access preamble through the second cell; and notifying the mobile station, an offset value of uplink transmission timing used in a communication in the second cell, on the basis of the random access preamble received from the mobile station through the second cell.
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公开(公告)号：US20170273121A1
公开(公告)日：2017-09-21
申请号：US15610993
申请日：2017-06-01
申请人： KYOCERA CORPORATION
发明人： Fangwei TONG , Chiharu YAMAZAKI
CPC分类号： H04W76/10 , H04W8/005 , H04W16/26 , H04W48/16 , H04W72/048 , H04W72/1278 , H04W76/14 , H04W76/18 , H04W88/04
摘要： A mobile communication system, which supports D2D communication that is direct device to device communication, comprises: a user terminal that transmits a discovery signal that is used for discovering a communication partner terminal in the D2D communication, wherein the user terminal transmits the discovery signal when the user terminal accepts start of communication and the user terminal has difficulty to establish a connection with a base station.
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公开(公告)号：US20170238356A1
公开(公告)日：2017-08-17
申请号：US15518683
申请日：2015-10-15
申请人： KYOCERA CORPORATION
发明人： Chiharu YAMAZAKI , Masato FUJISHIRO , Takahiro SAIWAI , Hiroyuki ADACHI , Kugo MORITA , Yushi NAGASAKA , Katsuhiro MITSUI
CPC分类号： H04W76/14 , H04B7/155 , H04M1/7253 , H04M2250/06 , H04W72/0406 , H04W72/1278 , H04W76/10 , H04W84/042 , H04W84/12 , H04W88/06
摘要： UE (100) supports WLAN communication and WWAN communication. The WWAN communication includes WWAN direct communication which is inter-terminal direct communication in conformity to a WWAN communication standard. The UE (100) applies the WLAN communication to a user plane while applying the WWAN direct communication to a control plane. The UE (100) transmits and receives a control signal through the WWAN direct communication.
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公开(公告)号：US20170164393A1
公开(公告)日：2017-06-08
申请号：US15434970
申请日：2017-02-16
申请人： KYOCERA CORPORATION
发明人： Chiharu YAMAZAKI
CPC分类号： H04W72/1268 , H04W72/042 , H04W72/0446 , H04W72/048 , H04W72/1205 , H04W72/1289 , H04W76/14 , H04W84/042 , H04W88/06 , H04W88/10 , H04W92/18
摘要： A mobile communication system according to embodiment comprises: a user terminal that performs D2D communication that is direct device to device communication; and a base station that performs cellular communication with the user terminal. The D2D communication is performed by using a part of uplink radio resources of the cellular communication. The base station transmits, to the user terminal, a timing advance value that is used for adjustment of a transmission timing in an uplink of the cellular communication. The timing advance value is commonly applied to the adjustment of the transmission timing in the uplink, and adjustment of a transmission timing in the D2D communication.
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