公开(公告)号：US20210235453A1

公开(公告)日：2021-07-29

申请号：US17054045

申请日：2018-05-10

Applicant: NTT DOCOMO, INC.

Inventor： Yuki Matsumura ,  Satoshi Nagata ,  Jing Wang ,  Min Liu ,  Huiling Li ,  Xin Wang ,  Xiaolin Hou

IPC: H04W72/04 ,  H04W80/02 ,  H04L1/00

Abstract: To prevent deterioration of communication quality even when communication is performed by using a plurality of transmission points, one aspect of a user terminal according to the present disclosure includes: a receiving section that receives a physical shared channel transmitted from a plurality of transmission points, based on certain downlink control information; and a control section that determines at least one of rate matching, quasi-co-location, and a resource to be assigned for the physical shared channel transmitted from the plurality of transmission points, based on the downlink control information.

公开(公告)号：US10892809B2

公开(公告)日：2021-01-12

申请号：US16609598

申请日：2018-03-02

Applicant: NTT DOCOMO, INC.

Inventor： Huiling Li ,  Chongning Na ,  Yuichi Kakishima ,  Satoshi Nagata

IPC: H04B7/06 ,  H04B7/0417

Abstract: Provided are a method and apparatus for transmitting CSI feedback information for multiple beams. The method includes: transmitting information for indicating a type of the CSI feedback information; transmitting a first type of CSI feedback information in the CSI feedback information for the multiple beams by using a first type of CSI feedback manner, wherein the first type of CSI feedback information includes at least first transmission rank information, first channel quality information and feedback information for a first beam in the multiple beams; and transmitting a second type of CSI feedback information in the CSI feedback information for the multiple beams by using a second type of CSI feedback manner, wherein the second type of CSI feedback information includes at least second transmission rank information, second channel quality information, and feedback information for beams other than the first beam in the multiple beams.

公开(公告)号：US20200266866A1

公开(公告)日：2020-08-20

申请号：US16762071

申请日：2017-11-10

Applicant: NTT DOCOMO, INC.

Inventor： Kazuki Takeda ,  Satoshi Nagata ,  Lihui Wang ,  Huiling Li ,  Xiaolin Hou ,  Chongning Na

IPC: H04B7/06 ,  H04W72/04 ,  H04W24/10 ,  H04W72/14

Abstract: A user terminal according to one aspect of the present disclosure includes a transmitting section that transmits channel state information by use of a semi-persistently specified resource, and a control section that controls, in a case of transmitting data during a time duration in which the semi-persistently specified resource is included, transmission of the channel state information and the data. According to one aspect of the present disclosure, SP-CSI reporting can be appropriately controlled.