Ntt Docomo, Inc.

Fujikura Limited

Nippon Telegraph and Telephone Corporation

Daiki Takeda

Hiroki Harada

Satoshi Nagata

Kazuaki Takeda

Naoki Okada

Masayoshi Yamanaka

Tomoya Ohara

Tomoaki Kaji

Takayuki Isogawa

Satoru Shiobara

Kazuki Takeda

Ken Osato

Daisuke Murayama

Yuki Inoue

Yousuke Sano

Takuma Takada

Hiroki Ishizuka

Masashi Anzawa

Masatoshi Ohno

Koji Hiratsuka

Xiaolin Hou

Yuichi Kakishima

Wenjia Liu

Runxin Wang

Shimei Tanaka

Keiichiro Sugimoto

Shinichi Niwa

Tadayoshi Sayama

Akio Gouda

Kouta Oguni

Masashi Ohno

Jing Wang

Hideaki Takahashi

Yoshihisa Kishiyama

Shohei Yoshioka

Keisuke Saito

Shigeo Takahashi

Kouji Tomikawa

Katsuyoshi Endoh

A communication device includes a control unit that determines whether Quality of Service (QoS) is not to be configured for each of one or more conditions for determining a requirement that determines radio communication quality provided by the QoS or the requirement is to be configured for the QoS; and a communication unit that executes a radio communication in which QoS is not to be provided in a case where the control unit does not configure the QoS, and executes a radio communication in which QoS is to be provided in a case where the control unit configures the requirement for the QoS.

Communication device and communication method for mobile communication based on quality of service (QoS)

Disclosed is a communication device capable of communicating with a terminal that performs wireless communication. The communication device includes a receiver configured to receive a request for network quality requirements from the terminal; a calculator configured to calculate network quality requirements available to the terminal; a determination unit configured to compare the request with the available network quality requirements to determine whether the request is acceptable; and a transmitter configured to transmit the result of the determination to the terminal.

Communication device and method

A user equipment including: a transmission unit that transmits a signal to a base station apparatus using a preconfigured uplink resource; a reception unit that receives a signal from the base station apparatus; and a control unit that starts or restarts a predetermined timer in response to receiving the signal from the base station apparatus.

User equipment, base station apparatus and communication method

A user equipment includes a control unit that sets an operation mode of the user equipment to an idle mode; and a transmission unit that transmits, while a time alignment retained by the control unit is valid, information indicating presence of the user equipment on each of transmission resources with a predetermined frequency in a time direction, from among a plurality of transmission resources that is preconfigured for transmitting data in the idle mode and arranged in the time direction, wherein the transmission unit stops transmitting the information indicating the presence of the user equipment in response detecting that the time alignment is invalid.

User equipment, base station and communication method

A base station apparatus including: a transmission unit configured to transmit configuration information indicating whether to place both of a first activation signal and a second activation signal on a resource for placing an activation signal that is a trigger for monitoring a paging occasion, wherein the configuration information implicitly indicates configuration other than configuration indicating whether to place both of the first activation signal and the second activation signal on the resource.

Base station apparatus and user equipment

A terminal includes a receiving unit that receives information indicating whether each condition of one or more conditions for validating a time alignment is activated or deactivated; and a control unit that independently activates or deactivates each condition of the one or more conditions in accordance with the received information.

Terminal, base station, and communication method

A terminal includes a reception unit that receives, from a base station, a first set including a plurality of resources that include at least a synchronization signal and optionally further include a broadcast channel and a second set including a plurality of resources that include at least a synchronization signal added to the first set in a frequency domain and optionally further include a broadcast channel, a control unit that assumes a Quasi co location (QCL) identical to a QCL assumed for the first set when receiving the second set, and a communication unit that executes a random access procedure with the base station based on information included in the resources.

Terminal and communication method

A terminal includes a receiver that receives, from a base station, configuration information for at least one of a first activation signal or a second activation signal associated with a paging occasion; a controller that determines, based on the configuration information, a time/frequency domain position of resources on which the first activation signal or the second activation signal is allocated; and a communication unit that receives the first activation signal or the second activation signal on the resources and receives, from the base station, paging associated with the received first activation signal or second activation signal, wherein the controller determines the time/frequency domain position of the resources on which the first activation signal and the second activation signal is allocated, by associating the positions of the resources.

A terminal includes a reception unit that receives, from a base station, a set including a plurality of first resources that include at least a synchronization signal and optionally further include a broadcast channel, a control unit that determines which of the first resources included in the set is to be used based on a reception quality controlled for each of the first resources, and a communication unit that executes a random access procedure with the base station based on information included in the determined first resource.

A terminal includes a controller configured to determine a candidate resource location where a resynchronization signal of a neighbor cell is possibly transmitted based on information on the neighbor cell; and a receiver configured to receive the resynchronization signal of the neighbor cell based on the candidate resource location.

Terminal

In one aspect of the present invention, a base station includes an index generation unit configured to generate an index indicating a time-domain location of a synchronization signal block where a synchronization signal or a physical broadcast channel is placed; and a transmission unit configured to transmit a portion of the index using one or more synchronization signal of a primary synchronization signal, a secondary synchronization signal, and a tertiary synchronization signal and transmit a remaining portion of the index using the physical broadcast channel.

Base station and synchronization signal transmission method

A communication device includes a control unit that obtains information related to Quality of Service (QoS) control and determines whether to transmit information indicating whether the QoS can be provided based on the information related to the QoS control; a transmitting unit that transmits the information indicating whether the QoS can be provided based on a result of the determination to another communication device; and a communication unit that executes radio communication to which the QoS control is applied, the QoS control being executed based on the information indicating whether the QoS can be provided.

Communication device and method for mobile communication based on quality of service (QOS) control

A terminal includes a reception unit configured to receive, from a base station, information for requesting a terminal capability report related to a wake-up signal associated with a paging occasion and configuration information related to at least one of a first wake-up signal and a second wake-up signal, a transmission unit configured to transmit the terminal capability report related to the wake-up signal to the base station, and a control unit configured to determine a configuration of the first wake-up signal and a configuration of the second wake-up signal based on the configuration information related to the wake-up signal, and the reception unit receives the wake-up signal and paging associated with the wake-up signal from the base station, and the control unit determines the configuration of the first wake-up signal from a value based on the configuration of the second wake-up signal.

A user equipment includes a control unit that sets an operation mode of the user equipment to an idle mode; a transmission unit that transmits data by using a preconfigured radio resource for transmitting data in the idle mode; and a reception unit that receives transmission acknowledgement information for the data by monitoring at least one search space from a paging search space or an additional search space that is to be monitored in the idle mode.

User equipment and communication method

A user terminal includes a receiving section that receives a first synchronization signal block in a first carrier to which listening is applied and monitors a first downlink control channel for scheduling first system information based on the first synchronization signal block, and a control section that determines resources of the first downlink control channel using a determination method different from a determination method of resources of a second downlink control channel for scheduling second system information in a second carrier to which the listening is not applied. According to one aspect of the present disclosure, appropriate communication can be performed in a band to which listening is applied.

Growing community of inventors

Tokyo, Japan

Daiki Takeda