Ntt Docomo, Inc.

Chinese Academy of Sciences

Midtronics, Inc.

Nit Docomo, Inc.

Lan Chen

Satoshi Nagata

Liu Liu

Narumi Umeda

Xiaoming She

Hidetoshi Kayama

Xiang Yun

Qin Mu

Kazuaki Takeda

Lei Du

Yong Bai

Jing Wang

Jianchi Zhu

Daisuke Kitazawa

Mingju Li

Yu Jiang

Yoshihisa Kishiyama

Xin Wang

Tooru Uchino

Xiaolin Hou

Huiling Jiang

Yasushi Yamao

Wenbo Wang

Anxin Li

Jingxiu Liu

Zhengang Pan

Hiroki Harada

Yang Song

Minghai Feng

Kazuki Takeda

Kenichi Higuchi

Mikio Iwamura

Juejia Zhou

Hidekazu Taoka

Shimpei Yasukawa

Hirohito Suda

Mamoru Sawahashi

Yuki Matsumura

Lihui Wang

Wei Liu

Akira Yamada

Yang Lu

Mugen Peng

Weiwei Chen

Weiqi Sun

Yuping Wu

Hiroyuki Ishii

Minami Ishii

Yuichi Kakishima

Nobuhiko Miki

Fang Liu

Motoshi Tamura

Anass Benjebbour

Fujio Watanabe

Song Zhu

Teruo Kawamura

Naoto Okubo

Shigeru Iwashina

Yixue Lei

Atsushi Fujiwara

Jiahui Liu

Dong Liang

Toshiaki Takao

Xiaoming Dai

Takeo Yamasaki

Ozgun Bursalioglu

Umesh Kadaba Anil

Kayama Hidetoshi

Takahiro Asai

Liling Cai

Zhiqiang Lv

Shiyang Yang

Shuang Long

The present disclosure provides a base station and a terminal. The base station includes: a receiving unit configured to receive precoding matrix indicator information of a first granularity from a terminal; and a processing unit configured to perform channel reconstruction according to the precoding matrix indicator information to obtain a first channel, use a super-resolution network to perform interpolation and denoising processing on a channel having the first granularity to obtain a second channel, and perform downlink precoding on the second channel, wherein the first channel has the first granularity, the second channel has a second granularity, and the second granularity is finer than the first granularity.

Base station and terminal

A terminal according to an aspect of the present disclosure includes a receiving section that receives single downlink control information (DCI) for a plurality of uplink shared channels (Physical Uplink Shared Channels (PUSCHs)), and a control section that controls transmission of the plurality of PUSCHs, based on an extended transmit power control (TPC) command field included in the DCI and spatial relation information (SRI) corresponding to an index associated with the TPC. According to an aspect of the present disclosure, even when multi-TRP is applied, PUSCH repetitive transmission can be appropriately controlled.

Terminal, radio communication method, and base station

A terminal according to one aspect of the present disclosure includes a receiving section that receives single downlink control information (DCI) for a plurality of uplink shared channels (Physical Uplink Shared Channels (PUSCHs)), and a control section that controls transmission of the plurality of PUSCHs on the basis of an extended precoding information and number of layers field included in the DCI, wherein the control section assumes that the number of antenna ports is independently configured for each of the plurality of PUSCHs. According to one aspect of the present disclosure, it is possible to appropriately control PUSCH repetition transmission even when multi-TRP is applied.

The present invention provides a terminal and a base station in a wireless communication system, and methods executed by the terminal and the base station. The terminal comprises: a processing unit, configured to perform characteristic domain transformation on a channel matrix to obtain a transformed channel characteristic and compress the transformed channel characteristic to obtain a compressed channel characteristic; and a transmitting unit, configured to transmit the compressed channel characteristic, as feedback information, to the base station.

Terminal and base station of wireless communication system, and methods executed by terminal and base station

The present disclosure provides a terminal and a base station in a wireless communication system. The terminal may include a control unit configured to input a downlink channel to a neural network of the terminal; and the control unit further configured to control the neural network of the terminal to process the input and output feedback information.

Terminal and base station in wireless communication system

This disclosure provides a terminal and a base station. The base station includes: a processing unit configured to determine scheduling information for a first terminal according to historical information of the first terminal; and a transmitting unit configured to transmit the determined scheduling information to the first terminal.

Terminal and a base station

This application provides data transmitting method, a data receiving method, a user equipment, and a base station, which can realize early acknowledgment of uplink data reception. The data transmitting method for a user equipment includes: transmitting uplink data to a base station with an initial retransmission times; determining, within a predetermined interval, whether an acknowledged signal of the uplink data is received from the base station, wherein in the case where the acknowledged signal is received within the predetermined interval, transmission of the uplink data is stopped; and in the case where the acknowledged signal is not received within the predetermined interval, the uplink data is transmitted to the base station in a subsequent retransmission mode, until the acknowledged signal is received from the base station or a maximum retransmission times is reached.

Data transmission method, data receiving method, user equipment and base station

A user apparatus and a control information detection method executed by a user apparatus are disclosed. The user apparatus includes a memory that stores a preamble and identification information of the user apparatus; a processor that detects control information, addressed to the user apparatus, by monitoring a candidate area of a common candidate area where a plurality of user apparatuses commonly perform monitoring and an individual candidate area for the user apparatus; and a transmitter that transmits the preamble to a base station. The processor monitors, during a period when the user apparatus monitors a random access response, the individual candidate area using the identification information of the user apparatus to detect control information that is scrambled by the base station using the identification information of the user apparatus.

User apparatus, base station, control information detection method and control information transmission method

The present disclosure provides a terminal and a base station in a wireless communication system. The terminal includes: a processing unit for obtaining terminal network capability information about at least one of a computing capability, a storage capability, and a support capability for neural network of the terminal; and a transmitting unit for transmitting the terminal network capability information to a base station.

Terminal and base station

Provided are a communication control method, a communication control device, and a communication system that can appropriately change a device on a network that executes request processing from a terminal. In a node changing device, a sequence monitoring unitdetects handover of a UE. When the handover is detected, a placement calculation unitacquires node information in the vicinity of a destination and activates nodes in the vicinity based on the node information. In this manner, upon detecting movement of a communication terminal, the node changing deviceactivates nodes in the vicinity of the destination of the communication terminal, and it is thereby possible to prevent an increase in communication delay even when the communication terminal is moved.

Communication control method, communication control device, and communication system for causing readiness for movement of a communication terminal

The present invention is designed so that, in a radio communication system in which a plurality of component carriers (CCs) are used in each small cell within a macro cell, the load of measurements, the amount of information to report and so on in user terminals are reduced. The macro base station of the present invention transmits, to a user terminal, measurement indication information that includes a measurement indication for the received power of a measurement signal of a specific CC in each small cell, and receives, from the user terminal, a measurement report that includes the received power of the measurement signal of the specific CC. Also, the macro base station calculates the received quality of the measurement signals of the plurality of CCs based on the received power of the measurement signal of the specific CC.

Radio base station, user terminal and communication control method

A user apparatus that communicates with a base station in a mobile communication system, including: a reception unit configured to receive a radio signal from the base station by a downlink control channel; and a control information detection unit configured to detect control information, addressed to the user apparatus, mapped to a predetermined area in a time frequency resource of the downlink control channel by performing blind decoding in a plurality of candidate areas which are candidates of the predetermined area, wherein, when the user apparatus performs a random access procedure, the control information detection unit performs the blind decoding in areas in which a part of areas is excluded from the plurality of candidate areas.

User apparatus, base station, and control information detection method

In one aspect, the adaptive modulation and coding method includes, in a user terminal, receiving a modulation and coding scheme (MCS) index, acquiring a modulation order corresponding to the received MCS index as a modulation order of a downlink shared channel, from a first table in which MCS indexes are associated with modulation orders including 8 and transport block size (TBS) indexes, and a second table is provided in which MCS indexes are associated with modulation orders of less than 8 and TBS indexes, and the first table is provided by puncturing a combination of a modulation order and a TBS index in the second table so that the first table and the second table are equal in a number of bits for an MCS index. In other aspects, a user terminal and a radio base station are provided.

User terminal, radio base station and adaptive modulation and coding method

A user apparatus that communicates with a base station in a mobile communication system, including: a reception unit configured to receive a radio signal from the base station by a downlink control channel; and a control information detection unit configured to detect control information, addressed to the user apparatus, mapped to a predetermined area in a time frequency resource of the downlink control channel by performing blind decoding in a plurality of candidate areas which are candidates of the predetermined area, wherein, the plurality of candidate areas are divided into a common candidate area where a plurality of user apparatuses commonly perform blind decoding and an individual candidate area for the user apparatus, and the control information detection unit performs blind decoding in the individual candidate area without performing blind decoding in the common candidate area during a period when the user apparatus monitors a random access response.

The present invention is designed so that communication overhead pertaining to control signals is reduced in a communication system in which the bandwidth of a physical downlink shared channel is narrower than the system bandwidth. The radio base station of the present invention has a resource allocation section that allocates a physical downlink shared channel to a predetermined narrow band in a downlink system bandwidth, for a user terminal, and a downlink control information generating section that generates downlink control information to report to the user terminal, and the downlink control information generating section determines the size of a field pertaining to resource allocation information, included in downlink control information related to the physical downlink shared channel, based on the narrow band where the physical downlink shared channel is allocated.

Radio base station, user terminal and radio communication method

Growing community of inventors

Beijing, China

Lan Chen