Ntt Docomo, Inc.

Chinese Academy of Sciences

Huiling Li

Satoshi Nagata

Chongning Na

Xiaolin Hou

Kazuki Takeda

Lihui Wang

Yuichi Kakishima

Xin Wang

Jing Wang

Yuki Matsumura

Huiling Jiang

Yanlin Song

Kazuaki Takeda

Gang Li

Min Liu

Runxin Wang

Mingming Qin

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.

Terminal, radio communication method, base station, and system to prevent deterioration of communication quality

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.

Terminal, base station, radio communication method, and system for controlling semi-persistent channel state information reporting

To appropriately control UL transmission such as a CSI reporting when performing communication by applying a different configuration from those of legacy LTE systems, a user terminal according to one aspect of the present disclosure includes: a transmission section that transmits one or more UL signals by using an uplink shared channel based on an instruction from a base station; and a control section that controls the transmission assuming that transmission durations of a plurality of UL signals do not overlap in a same symbol, or, when at least part of the transmission durations of the plurality of UL signals overlap in the same symbol, performs control to select and transmit the part of the UL signals.

User terminal and radio communication method

A user terminal, according to the present invention, has a receiving section that receives resource information, which indicates a single or a plurality of uplink control channel resources, per configuration identifier related to channel state information (CSI) reporting, and a control section that selects an uplink control channel resource to use to transmit a plurality of CSIs, based on the resource information.

The present invention provides a user terminal that reports channel state information to base station apparatus in order to reduce the overhead of signaling required in beam measurements and to lower the complexity of beam measurements and calculation, and, in this user terminal, a receiving section that receives basis beam reference signals, each included in one or a plurality of basis beams transmitted from the base station, a determining section that determines a leading beam and a secondary beam to combine with the leading beam, based on the basis beam reference signals received, and a transmission section that transmits combination information about combination of the leading beam and the secondary beam to the base station apparatus, are provided.

User terminal, base station apparatus and radio communication method

In order to appropriately configure a Hybrid Automatic Repeat Request (HARQ) process even when communication is performed using a plurality of transmission points, one aspect of a user terminal of the present disclosure includes: a receiving section that receives one or more pieces of downlink control information used for scheduling of downlink shared channels, which are transmitted from a plurality of transmission points, by monitoring a downlink control channel; and a control section that detects a HARQ process number, which is indicated by a HARQ process number field included in the downlink control information and which is managed by one or more independent HARQ entities for each cell.

User terminal

A user terminal according to one aspect of the present disclosure includes a receiving section that receives information indicating start of report of semi-persistent channel state information (SP-CSI (Semi-Persistent Channel State Information) report), and a control section that determines timing of the SP-CSI report, based on whether or not there is relation between timing of a feedback report for reception of the information and the timing of the SP-CSI report. According to one aspect of the present disclosure, SP-CSI report and/or detection can be appropriately controlled even when SP-CSI report activation is indicated by using MAC CEs (Medium Access Control Control Elements).

A method is presented for transmitting uplink control information and a mobile station. The method for transmitting the uplink control information includes: adding padding bits to initial control information to generate uplink control information, where the initial control information includes first information having a same number of bits for RANKs of different channel matrices and second information having a same or different number of bits for RANKs of different channel matrices; and transmitting the uplink control information.

Method for transmitting uplink control information and mobile station

To appropriately control CSI reporting in a case where a configuration different from the configurations in the existing LTE systems is employed for communication, a user terminal includes a receiving section that receives information indicating whether to activate or deactivate channel state information reporting, in at least one of first downlink control information indicating UL transmission specifically to the user terminal, second downlink control information indicating the UL transmission to a plurality of user terminals, and MAC control information, and a control section that controls reporting of channel state information, based on the information indicating whether to activate or deactivate the channel state information reporting.

To appropriately control UL transmission such as a CSI reporting when communication is performed by applying a different configuration from those of legacy LTE systems, one aspect of a user terminal according to the present invention includes: a transmitting section that transmits first Channel State Information (CSI) and second CSI of different information types to be reported, by using an uplink control channel and/or an uplink shared channel based on timings respectively configured by a base station; and a control section that, when transmission timings of the first CSI and the second CSI overlap, performs control to transmit both or one of the first CSI and the second CSI.

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.

Method and apparatus for transmitting CSI feedback information for multiple beams

Provided is a beam information feedback method performed by a user equipment, comprising: determining a first beam and a plurality of second beams according to a beam selection result; transmitting beam indexes of the plurality of second beams to a base station according to the beam power of the plurality of second beams; transmitting wideband beam information correspondingly to the beam indexes of the plurality of second beams; and transmitting subband beam information correspondingly to the beam indexes of the plurality of second beams.

Beam information feedback method and user apparatus

The present invention is designed to suitably mitigate the decrease in communication throughput even when type-II feedback is used. According to one aspect of the present invention, a user terminal has a control section that determines a beam pattern that shows a fixed set of beams, and determines at least one beam that is not included in the beam pattern; and a transmission section that transmits feedback information related to the beam pattern and the at least one beam that is determined.

Disclosed are a kind of ink used for ink-jet computer-to-plate (CTP) technology and the preparation method thereof. The ink comprises, in mass percent, 5% to 20% of cosslinkable resin, 5% to 25% of light solvent, and 55% to 90% of deionized water. The preparation method includes: mixing the components with stirring at room temperature; multistage filtering for removing insoluble substance and impurity in mixed solution after the crosslinkable resin being completely dissolved in the solvent; and thus to obtain the ink. An image with high resolution can be formed upon printing the ink on a treated aluminum plate and thermocuring. The aluminum plate can be printed directly by a printer, which reduces post treatment.

Ink used for ink-jet computer-to-plate and preparation method thereof

An ink for inkjet computer-to-plate and a preparation method of the same are provided. Calculated in mass percentage based on the total mass of the ink, the ink comprises 10%&#x2dc;30% of cross-linkable resin, 10%&#x2dc;35% of solvent with a low boiling point, 5%&#x2dc;30% of poor solvent with a high boiling point and 5%&#x2dc;75% of bulk solvent. The preparation method comprises the following steps: mixing the above components and agitating at room temperature; after the cross-linkable resin is dissolved, ball milling and filtrating to remove insoluble substance and/or impurities in the liquid obtained by the ball milling. The ink can be formed into an image by printing on the treated surface of aluminum plate using ink-jet printer, and after heat cured, it can form an image with a high resolution and be used to print directly on machine, thus reducing post treatment process and obtaining the plate of ink-jetting direct plate-making.

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Beijing, China

Huiling Li