Ntt Docomo, Inc.

Beijing Xiaomi Mobile Software Co., Ltd.

Xiaolin Hou

Satoshi Nagata

Lihui Wang

Kazuki Takeda

Jing Wang

Yuki Matsumura

Shaozhen Guo

Huiling Jiang

Xin Wang

Chongning Na

Wenjia Liu

Shohei Yoshioka

Hiroki Harada

Huan Wang

Yuichi Kakishima

Liu Liu

Runxin Wang

Kazuaki Takeda

Huiling Li

Lan Chen

Atsushi Harada

Anxin Li

Xiangming Li

Neng Ye

Yuki Takahashi

Qin Mu

Min Liu

Keisuke Saito

Ryosuke Osawa

Weiqi Sun

Xiaohong Zhang

Juan Liu

Xiaohang Chen

Hideaki Takahashi

Qun Zhao

Hidetoshi Kayama

Shinpei Yasukawa

Daisuke Kurita

Tooru Uchino

Zhan Zhang

Tomoya Ohara

Daiki Takeda

Naoya Shibaike

Xufei Zheng

Dongbo Feng

Chunyi Wang

Yoshihisa Kishiyama

Takahiro Asai

Yousuke Sano

Yang Song

Tianyang Min

Takuma Takada

Wei Xi

Yanru Wang

Lu Jiang

Nadisanka Rupasinghe

Liling Cai

Xi Luan

A user equipment includes a transmission unit that transmits a first message including a random access preamble in a two-step random access procedure, a reception unit that receives one or more second messages for contention resolution in the two-step random access procedure, and a control unit that controls an operation to receive the second messages based on information associated with an identifier of the first message included in the second messages.

User equipment and base station apparatus

A radio communication node (B) includes a cell information acquiring unit () that acquires a subcarrier interval to be set and a frequency range to be used; and a control unit () that sets a reference additional time included in a time difference from transmission in a serving cell to reception in the radio communication node and the granularity applied to the reference additional time based on the subcarrier interval and the frequency range.

Radio communication node

A terminal transmits and receives a slot configured with a plurality of symbols. The terminal sets a length of a cyclic prefix added to each symbol based on a degree of compression of each symbol in time domain.

Terminal

A terminal includes: a receiving unit of receiving first information for configuring scheduling and second information for executing scheduling from a base station; and a control unit that identifies a single scheduled carrier or a plurality of scheduled carriers, based on the first information and the single second information.

Terminal, base station, and communication method to support scheduling of cells with single control information

A terminal is disclosed including a reception section that receives a higher layer parameter on a configuration of media access control (MAC); and a control section that ignores an uplink (UL) grant for which a configuration on prioritization is performed by the higher layer parameter, when the UL grant is not a prioritized UL grant in a case of retransmission in MAC. In other aspects, a radio communication method and a radio communication system are also disclosed.

Prioritization configuration in terminal and base station

A terminal according to one aspect of the present disclosure includes a control section that, when a trigger event related to a given panel occurs, triggers power headroom report (PHR) related to the given panel, and a transmitting section that transmits a Medium Access Control (MAC) control element related to the triggered PHR. The trigger event includes an event in which a periodic timer related to the given panel expires. According to one aspect of the present disclosure, PHR related to a panel can be appropriately triggered/transmitted.

Terminal, radio communication method, and base station

The present disclosure provides an electronic device, including: an input unit configured to obtain a sequence to be compressed, wherein the sequence to be compressed has Q time-domain symbol elements, and Q is an integer greater than zero; a processing unit configured to perform a zero-padding operation on the sequence to be compressed according to at least a part of a compression factor to determine a zero-embedded sequence, perform a discrete Fourier transform spreading operation according to the zero-embedded sequence to determine a spread sequence, and perform at least one of a data deletion operation and a data superimposition operation based on the spread sequence to determine a compressed sequence, wherein the compressed sequence has M frequency-domain symbols, M is an integer greater than zero, and M is less than or equal to Q.

Electronic device

A terminal according to an aspect of the present disclosure includes: a receiving section that receives information on one or more cells that transmit a downlink control channel for scheduling a physical shared channel of a primary cell; and a control section that determines, based on a cell that transmits the downlink control channel, at least one of a cell that monitors the downlink control channel and a search space type.

Terminal and radio communication method

A terminal according to an aspect of the present disclosure includes a transmitting section that transmits a configured grant-based uplink shared channel, a receiving section that receives downlink control information which indicates retransmission of the uplink shared channel, and a control section that controls the retransmission based on a priority configured for the retransmission of the uplink shared channel.

A terminal according to an aspect of the present disclosure includes a receiving section that performs reception in at least one of a zero power channel state information reference signal (ZP-CSI-RS) resource and a non zero power channel state information reference signal (NZP-CSI-RS) resource configured for a plurality of transmission/reception points, and a control section that controls interference measurement for at least one of a periodic channel state information (CSI) report, a semi-persistent CSI report, and an aperiodic CSI report based on the reception. According to an aspect of the present disclosure, measurement and reporting of CSI for a multi panel/TRP can be appropriately performed.

A user terminal includes: a control section that determines a set of one or more candidate occasions for reception of a downlink shared channel available in a time unit, based on a HARQ-ACK timing value using the time unit shorter than a slot and a format of the time unit; and a transmitting section that transmits a codebook being determined based on the set of the one or more candidate occasions.

Terminal, radio communication method, base station, and system for controlling HARQ-ACK feedback

A terminal receives a demodulation reference signal from a network. The terminal assumes the demodulation reference signal to be more aggregated in a frequency direction than in a case where a frequency band including one or a plurality of frequency ranges is used, when a different frequency band differing from the frequency band is used or when a wider subcarrier spacing is applied than the case where the frequency band is used.

In order to assume an appropriate base station beam (TCI state) during a period after an RRC reconfiguration procedure and before MAC CE activation in future radio communication systems, one aspect of a user terminal of the present disclosure includes: a receiving section that receives a PDCCH (Physical Downlink Control Channel) after transmission of an RRC (Radio Resource Control) reconfiguration complete message; and a control section, when the RRC reconfiguration involves a random access procedure, assumes that a synchronization signal block or a channel state information reference signal identified during the random access procedure and the PDCCH are quasi-co-located.

Terminal, communication method, base station, and system for random access procedure

A terminal, as disclosed, includes: a receiver that receives a downlink control information (DCI) using a specific type of radio network temporary identifier (RNTI); and a processor that controls reception of a physical downlink shared channel (PDSCH) scheduled by the DCI, based on a configuration associated with the specific type. In other aspects, a radio communication method, a base station, and a system are also disclosed.

Terminal, radio communication method, base station, and system

A terminal according to an aspect of the present disclosure includes: a receiving section that receives information indicating a plurality of transmission configuration indication (TCI) states for a same demodulation reference signal (DMRS) port for physical downlink shared channel (PDSCH); and a control section that determines, based on downlink control information, at least one of a TCI state and resource allocation of each of a plurality of PDSCHs that carry same downlink data. According to an aspect of the present disclosure, it is possible to appropriately receive downlink data from a plurality of transmission points.

Growing community of inventors

Beijing, China

Xiaolin Hou