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

Hiroki Ishizuka

Takayuki Isogawa

Masashi Anzawa

Satoru Shiobara

Kazuki Takeda

Ken Osato

Daisuke Murayama

Yuki Inoue

Yousuke Sano

Takuma Takada

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

Mizuki Isaji

Shigeo Takahashi

Kouji Tomikawa

Katsuyoshi Endoh

Shinya Kumagai

A management apparatus includes an obtainer that obtains a start request to request a start of control of quality of a communication service provided to one of a plurality of terminal apparatuses, each of the plurality of terminal apparatuses being connected to one of a plurality of networks managed by a plurality of communication carriers, and terminal information about the terminal apparatus; an identifier that identifies, from among the plurality of communication carriers, a communication carrier that provides the communication service to the terminal apparatus, based on the terminal information; and a service manager that executes predetermined processing for causing a quality control system of the identified communication carrier to start the control of the quality of the communication service to the terminal apparatus.

Management apparatus

A management apparatus includes a receiver configured to receive, for each of terminal devices belonging to a first group, a corresponding piece of quality information based on a quality available to the respective terminal device in a communication service; a determiner configured to determine, based on the corresponding piece of quality information for each terminal device, whether the first group includes a second group of two or more terminal devices, the second group satisfying a predetermined condition, the predetermined condition including a quality condition in which the communication service is available at a quality higher than or equal to a predetermined quality; and a situation controller configured to, based on a result of a determination made by the determiner being affirmative, cause a first situation in which the second group receives the communication service at a quality higher than or equal to the predetermined quality.

Management apparatus and quality control apparatus

A terminal according to one aspect of the present disclosure includes a control section that determines a periodicity different from a second periodicity of at least one of a synchronization signal block, a control resource set (CORESET) 0, a physical downlink shared channel for carrying a system information block 1, an update of a physical broadcast channel in the synchronization signal block, and an update of the system information block 1, for a second terminal, the second terminal having at least one of a second bandwidth wider than a bandwidth of the terminal and a second number of antennas greater than the number of antennas of the terminal, and a receiving section that performs reception based on the periodicity. According to one aspect of the present disclosure, initial access can be appropriately performed.

Terminal, radio communication method, and base station

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.

Growing community of inventors

Tokyo, Japan

Daiki Takeda