公开(公告)号：US20220104047A1

公开(公告)日：2022-03-31

申请号：US17643374

申请日：2021-12-08

Applicant: KYOCERA Corporation

Inventor： Naohisa MATSUMOTO ,  Kugo MORITA ,  Hiroyuki ADACHI ,  Hiroyuki URABAYASHI ,  Chiharu YAMAZAKI

IPC: H04W24/08 ,  H04W16/14 ,  H04W36/00 ,  H04W24/10

Abstract: A user equipment, method used in a user equipment, and an apparatus for a user equipment include receiving from a first cell operated in a licensed band, configuration information configuring a second cell operated in an unlicensed band, performing a listen-before-talk (LBT) procedure on the second cell, counting a number of failures of the LBT procedure on the second cell, and transmitting information based on the number of failures of the LBT procedure on the second cell, to the first cell operated in the licensed band, the information indicating the failure of the LBT procedure on the second cell.

公开(公告)号：US20200314798A1

公开(公告)日：2020-10-01

申请号：US16901773

申请日：2020-06-15

Applicant: KYOCERA Corporation

Inventor： Masato FUJISHIRO ,  Kugo MORITA ,  Henry CHANG

IPC: H04W68/06 ,  H04W76/27 ,  H04W76/28 ,  H04W8/08 ,  H04W68/02 ,  H04W68/00 ,  H04W48/18 ,  H04W52/02

Abstract: A base station transmits, to another base station, a paging request that requests the another base station to page a user equipment, and receives, from the another base station, a message indicating that the paging has failed in the another base station for the user equipment. The another base station receives the paging request requesting the another base station to page a user equipment, and pages the user equipment based on the paging request received from the base station, and transmits to the base station a message indicating that the paging has failed in the another base station for the user equipment.

公开(公告)号：US20190281596A1

公开(公告)日：2019-09-12

申请号：US16319860

申请日：2017-07-25

Applicant: KYOCERA Corporation

Inventor： Hiroyuki ADACHI ,  Takahiro SAIWAI ,  Masato FUJISHIRO ,  Kugo MORITA

IPC: H04W72/04

Abstract: A communication device according to one embodiment comprise a transmitter configured to directly transmit a radio signal to another communication device. The transmitter is configured to transmit, when first location information indicating a geographical location of the communication device is acquired, the radio signal, based on a first radio resource associated with a location indicated by the first location information. The transmitter is configured to transmit, when the communication device cannot acquire the first location information, the radio signal, based on a second radio resource. The second radio resource is decided based on a method different from a method of deciding the first radio resource by using the first location information.

公开(公告)号：US20190110216A1

公开(公告)日：2019-04-11

申请号：US16093864

申请日：2017-04-24

Applicant: KYOCERA CORPORATION

Inventor： Fangwei TONG ,  Atsuhisa INAKOSHI ,  Hiroyuki URABAYASHI ,  Chiharu YAMAZAKI ,  Kugo MORITA

IPC: H04W24/08 ,  H04L5/00

Abstract: A base station (200) according to an embodiment performs radio communication with a radio terminal (100). The base station transmits a reference signal to the radio terminal with a specific polarized wave, receives, from the radio terminal, polarized wave adjustment information generated by using the reference signal, adjusts a polarized wave based on the specific polarized wave by using the polarized wave adjustment information, and transmits an information signal to the radio terminal with the adjusted polarized wave.

公开(公告)号：US20190053305A1

公开(公告)日：2019-02-14

申请号：US16076335

申请日：2017-01-30

Applicant: KYOCERA CORPORATION

Inventor： Takahiro SAIWAI ,  Noriyoshi FUKUTA ,  Kugo MORITA

IPC: H04W76/14 ,  H04W88/04 ,  H04W76/28 ,  H04W76/11 ,  H04W72/04 ,  H04W8/00 ,  H04W64/00

Abstract: A radio terminal according to one embodiment comprises a controller configured to be capable of relaying traffic between another radio terminal and a network by a proximity service. The controller performs a control for transmitting first information and second information, in a sidelink. The first information is used for identifying a location of a radio resource in which the second information is arranged. The second information is used to identify a location of a radio resource for requesting the relay by the proximity

公开(公告)号：US20190014565A1

公开(公告)日：2019-01-10

申请号：US16109302

申请日：2018-08-22

Applicant: KYOCERA CORPORATION

Inventor： Masato FUJISHIRO ,  Chiharu YAMAZAKI ,  Atsuhisa INAKOSHI ,  Fangwei TONG ,  Kugo MORITA

IPC: H04W72/04

Abstract: A radio terminal according to an embodiment is used in a mobile telecommunication system which provides a plurality of communication services. The radio terminal includes a controller which uses any of a plurality of resource pools provided for each communication service on the basis of resource map information. The plurality of resource pools is provided in one radio frame and in one system bandwidth. The resource map information indicates the layout pattern of the plurality of resource pools.

公开(公告)号：US20180310343A1

公开(公告)日：2018-10-25

申请号：US16017879

申请日：2018-06-25

Applicant: KYOCERA CORPORATION

Inventor： Masato FUJISHIRO ,  Chiharu YAMAZAKI ,  Kugo MORITA ,  Yushi NAGASAKA

IPC: H04W74/08

CPC classification number: H04W74/0833 ,  H04W4/70 ,  H04W74/004 ,  H04W74/006 ,  H04W74/008 ,  H04W76/10 ,  H04W76/27 ,  H04W84/12

Abstract: A base station transmits, to a user terminal, a connection release request for requesting a release of an RRC connection. The connection release request includes information indicating a request of holding an identifier assigned by the base station, and the information causes the user terminal in an idle state to hold the identifier. The base station performs a random access procedure with the user terminal in the idle state. The random access procedure includes receiving a random access signal from the user terminal, transmitting a random access response that is a response to the random access signal, to the user terminal, and receiving a control signal together with the identifier from the user terminal after transmitting the random access response, while the user terminal is in the idle state.

公开(公告)号：US20180249494A1

公开(公告)日：2018-08-30

申请号：US15558990

申请日：2016-03-17

Applicant: KYOCERA CORPORATION

Inventor： Naohisa MATSUMOTO ,  Kugo MORITA ,  Hiroyuki ADACHI

IPC: H04W72/12 ,  H04L1/18 ,  H04W72/14

CPC classification number: H04W72/1284 ,  H04L1/1812 ,  H04W56/0005 ,  H04W56/0045 ,  H04W72/14 ,  H04W84/12

Abstract: A user terminal according to a first aspect is used in a mobile communication system. The user terminal includes: a receiver configured to receive, from a base station, candidate timing information indicating candidate timings of uplink transmission in an unlicensed band channel, which is an unlicensed band frequency channel; a controller configured to determine a transmission timing to perform the uplink transmission to the base station from among the candidate timings indicated by the candidate timing information, by monitoring the unlicensed band channel; and a transmitter configured to transmit uplink data to the base station via the unlicensed band channel at the transmission timing.

公开(公告)号：US20180092144A1

公开(公告)日：2018-03-29

申请号：US15818067

申请日：2017-11-20

Applicant: KYOCERA CORPORATION

Inventor： Kugo MORITA

IPC: H04W76/02 ,  H04W8/00 ,  H04W72/12 ,  H04W92/18

CPC classification number: H04W76/14 ,  H04W8/005 ,  H04W72/1252 ,  H04W76/11 ,  H04W92/18

Abstract: A communication method, user terminal, processor, and base station for direct communication including a user terminal transmitting to a base station, buffer status information indicating amounts of data to be transmitted in direct communication, where each amount of data is for each of logical channel groups for the direct communication and for each communication partner of the direct communication, assigning, by the base station to the user terminal, a radio network temporary identifier for the direct communication, determining, by the base station, a radio resource to be used for the user terminal to perform the direct communication, transmitting, from the base station to the user terminal, resource information indicating the determined radio resource, by use of the radio network temporary identifier assigned to the user terminal, and receiving, by the user terminal, the resource information on a basis of the radio network temporary identifier assigned to the user terminal.

公开(公告)号：US20180076936A1

公开(公告)日：2018-03-15

申请号：US15558212

申请日：2016-03-17

Applicant: KYOCERA CORPORATION

Inventor： Masato FUJISHIRO ,  Chiharu YAMAZAKI ,  Hiroyuki URABAYASHI ,  Kugo MORITA

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04L5/001 ,  H04L5/0044 ,  H04W16/14 ,  H04W72/0453

Abstract: A communication apparatus comprises: a first processing unit configured to perform processing of a first layer; and a second processing unit configured to perform processing of a second layer which is provided to be upper than the first layer. The second processing unit is configured to perform communication by using a first component carrier included in a licensed band and perform communication by using a second component carrier included in an unlicensed band. The first processing unit is configured to perform communication by using the first component carrier and performs communication by using an element carrier selected from among a plurality of element carriers associated with the second component carrier.