A communication device includes: a transmission unit configured to transmit a connection request to a first communication device; a reception unit configured to receive a connection permission from the first communication device; and a control unit configured to establish a first connection to the first communication device. The control unit controls a communication of a second communication device.
A communication device includes: a transmission unit configured to transmit a connection request to a first communication device; a reception unit configured to receive connection permission from the first communication device; and a control unit configured to establish a first connection to the first communication device. The control unit controls a communication of a second communication device, and the transmission unit transmits information related to control of the second communication device to the first communication device in a case where the connection to the first communication device is established.
A communication device has: a control unit configured to determine a coding-related parameter to apply to a data signal; and a transmitting unit configured to transmit the determined coding-related parameter, and the data signal to which the coding-related parameter is applied, in autonomously selected resources, to another communication device.
One aspect of a terminal according to the present disclosure includes a receiving section that receives a plurality of downlink control channels supporting application of different control resource set pool indices, and a control section that, when an offset between at least one of the plurality of downlink control channels and a physical shared channel scheduled by the plurality of downlink control channels is smaller than a given value, controls reception of the physical shared channel, based on a default TCI state configured for each of control resource set pool indices or the default TCI state configured irrespective of control resource set pool indices.
H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
H04W 72/1273 - Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
H04W 76/20 - Manipulation of established connections
A display control device for performing control on a display of a display configured to display an image of content laid out in a virtual space as viewed from a predetermined position, the display being mounted on portions of eyes by a user. The device detects an orientation, with respect to the display, of a head portion of a person other than the user and determines whether a position of the content needs to be changed based on a detection-result and the position of the content in the virtual space. A position change destination of the content in the virtual space is set based on a distance between the position change destination of the content in the virtual space and a position at a current point in time of the content and to change the position of the content when the position of the content is to be changed.
This user equipment executes radio link monitoring and/or beam failure recovery. The user equipment transmits, to a network, information relating to radio link monitoring and/or beam failure recovery.
The purpose of the present invention is to properly control UL full power transmission with more than 4 antenna ports. According to an aspect of the present invention, a terminal includes a transmission unit transmitting Power Amplifier (PA) configuration related information, and a control unit determining a precoder for full power transmission which uses more than four antenna ports when a mode for determining the precoder is configured using a method different from a full power mode 0/1/2.
This terminal comprises: a control unit that determines an interlaced channel configuration applied to the transmission in a plurality of adjacent Listen Before Talk (LBT) channels in an unlicensed band; a reception unit that executes the LBT in the plurality of LBT channels; and a transmission unit that performs a transmission to another terminal on the basis of the channel configuration when the LBT is successful. The control unit determines whether or not to use an intra-cell guard band (ICGB) between the plurality of LBT channels as a control channel in the channel configuration.
A terminal according to one aspect of the present disclosure comprises: a reception unit that receives meta information relating to an artificial intelligence (AI) model; a transmission unit that performs a report relating to available AI models; and a control unit that, on the basis of the meta information and the available AI models, activates the AI model. According to the one aspect of the present invention, it is possible to achieve suitable overhead reduction, channel estimation, and resource utilization.
A terminal according to one embodiment of the present disclosure has: a reception unit that receives a first downlink control channel used in triggering a random access procedure; and a control unit that, if the random access procedure is supported for each reception point, controls reception of a second downlink control channel used in receiving a response signal in the random access procedure, the control being carried out on the basis of at least one of a first quasi-collocation (QCL) hypothesis for using a first QCL corresponding to the first downlink control channel and a second QCL hypothesis for using a second QCL corresponding to a specific control resource set.
A terminal according to one aspect of the present disclosure comprises: a receiving unit that receives at least one among first information instructing DL reception and second information instructing UL transmission in a time domain to which subband non-overlapping full duplex communication is applied; and a control unit that when the DL reception and the UL transmission instructions are supported for the same time domain to which the subband non-overlapping full-duplex communication is applied, controls to select and perform one of the DL reception and the UL transmission on the basis of at least one among transmission conditions for the first information and the second information, conditions applied to the DL reception and the UL transmission, and conditions set in advance.
This approval device comprises: a reception unit that receives an authentication request pertaining to a second terminal from an application server which is accessed by the second terminal after receiving, from a first terminal, a notification request including identification information; a transmission unit that transmits an authentication approval request to the first terminal on the basis of the notification request and that transmits an authentication approval request to the second terminal; and a control unit that, when approval has been obtained from both the first terminal and the second terminal, decides to transmit, to the application server, an approval code indicating that specific processing has been approved.
This terminal includes: a reception unit that receives, from a base station, a control channel for scheduling a shared channel of a bandwidth for a terminal with reduced functionality; and a control unit that sets a time unit resource, which differs from a first time unit resource that received the control channel, to a second time unit resource for receiving the shared channel. The reception unit receives the shared channel through the second time unit resource.
This authorization device comprises: a reception unit that receives an authentication request from an application server accessed from a terminal; a control unit that, when a specific parameter is included in the authentication request, verifies whether specific registration information regarding the terminal is stored in a network node device of a communication system used by the terminal, then determines whether the terminal is authenticated on the basis of the verification result; and a transmission unit for transmitting an authorization code to the application server when it is at least determined by the control unit that the terminal is authenticated.
This wireless relay device comprises: a communication unit that receives signaling including control information relating to a relay function from a base station; a control unit that controls the relay function on the basis of the control information; and a relay unit that performs the relay function of receiving a first signal from the base station, transmitting the first signal to a terminal, receiving a second signal from the terminal, and transmitting the second signal to the base station. The relay unit transmits the first signal to the terminal by using a plurality of Transmission/Reception Points (TRPs). The control unit controls the plurality of TRPs on the basis of the control information.
In a transmission switching scheme in which at least one antenna port among a plurality of antenna ports can switch a band between two or more bands, and a band used for transmission is switched between a total of three or more bands of the plurality of antenna ports, a terminal is provided with a reception unit for receiving, from a base station, a particular parameter notified in an RRC message, and a control unit assuming the presence or absence of a configuration for UL MIMO for up to two ports in a band for which transmission switching is set on the basis of whether the particular parameter has been received.
This terminal comprises: a reception unit that receives a signal in a moving environment in which a single carrier frequency is used; and a control unit that corrects a Doppler frequency shift of the signal. The control unit corrects a first Doppler frequency shift amount corresponding to a spot where the Doppler frequency shift instantaneously changes, and corrects a second Doppler frequency shift amount corresponding to a spot where the Doppler frequency shift continuously changes.
A communication device includes: a transmission unit configured to transmit a connection request to a first communication device; a reception unit configured to receive connection permission from the first communication device; and a control unit configured to establish a first connection to the first communication device. The control unit controls a communication of a second communication device, and the reception unit receives recommendation information related to installation of the device itself from the first communication device.
A radio base station receives a handover message from a network related to a handover of a terminal and determines the number of handover failures based on a number of the handover failures based on the handover message. The radio base station releases the terminal when the number of failures reaches a predetermined number.
A communication apparatus includes a transmitting unit configured to transmit, to another communication apparatus, a signal requesting transmission of SRS (Sounding reference signal) in a resource autonomously selected; a receiving unit configured to receive the SRS from the another communication apparatus; and a control unit configured to perform measurement by using the SRS.
A communication apparatus includes a receiving unit configured to receive, from another communication apparatus, a signal requesting a CSI (Channel State Information) report and a CSI reference signal, in a resource autonomously selected by the another communication apparatus; a control unit configured to perform measurement by using the CSI reference signal; and a transmitting unit configured to transmit, to the another communication apparatus, a CSI report based on a result of the measurement.
A terminal according to an aspect of the present disclosure includes: a receiving section that receives information related to an association between a transmission configuration indication (TCI) state applied to a plurality of types of uplink signals and one or more power control parameters applied to one type of uplink signal among the plurality of types of uplink signals; and a control section that controls transmission of the one type of uplink signal based on the information. According to one aspect of the present disclosure, the power control parameter can be appropriately controlled.
A terminal according to the present invention receives a handover request from a network and when executing the handover, deletes a training model retained at the time of the handover.
Provided is a terminal comprising: a receiving unit that receives system information in downlink; and a control unit that assumes that information indicating whether a cell in which the user is located is a cell that supports an energy saving function of a base station is included in the system information and sent.
This terminal comprises: a communication unit that performs communication corresponding to the side link of the preceding specification; and a control unit that obtains information regarding the side link of the preceding specification from the communication unit, and on the basis of the information regarding the side link of the preceding specification, determines an operation related to feedback in a side link of a subsequent specification.
This terminal comprises: a reception unit that receives, from a terminal in a first resource pool, a location positioning-related signal in terminal-terminal direct communication; a control unit that performs measurement on the basis of the location positioning-related signal in terminal-terminal direct communication; and a transmission unit that transmits, to the terminal in a second resource pool, information based on the measurement. The control unit determines the first resource pool and the second resource pool.
H04W 72/40 - Resource management for direct mode communication, e.g. D2D or sidelink
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
H04W 92/18 - Interfaces between hierarchically similar devices between terminal devices
27.
TERMINAL, WIRELESS COMMUNICATION METHOD, AND BASE STATION
A terminal according to one aspect of the present disclosure includes: a reception unit that receives a first downlink control channel used to trigger a random access procedure with respect to a non-serving cell; and a control unit that controls the reception of a second downlink control channel used in the reception of a response signal in the random access procedure, on the basis of a first QCL assumption using a first quasi-colocation (QCL) corresponding to the first downlink control channel, and/or a second QCL assumption using a second QCL corresponding to a particular control resource set.
A terminal according to one aspect of the present disclosure comprises: a reception unit that receives downlink control information for scheduling at least one of a downlink shared channel and an uplink shared channel together with a demodulation reference signal (DMRS) to which a length-4 frequency-domain orthogonal cover code (FD-OCC) is applied; and a control unit that controls reception of the downlink shared channel and transmission of the uplink shared channel. The terminal supports the application of different FD-OCC codes to a DMRS for the downlink shared channel and a DMRS for the uplink shared channel.
This user information disclosure device comprises: a receiving unit that receives a user information request including a user identifier from an application server authorized to perform specific processing; a control unit that acquires information corresponding to the user identifier from a data storage device in a communication system; and a transmission unit that transmits user information created on the basis of the information to the application server.
This terminal comprises: a transmission unit that executes uplink transmission using N bands (N being a natural number equal to or less than M) that are selected from M bands (M being a natural number equal to or greater than 3); and a control unit that, when transmission from one port is indicated and two or more candidate combinations of bands are assumed, determines a combination of bands from the two or more combinations of bands on the basis of a specific rule. The specific rule includes a rule for establishing, for each of the M bands, the priority of the band that is associated with the transmission chain of the uplink transmission.
H04B 7/0404 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
A terminal according to one embodiment of the present disclosure comprises: a transmission unit that transmits a report that is based on the waveform of an uplink transmission; and a control unit that controls the uplink transmission on the basis of the report.
This terminal comprises: a control unit that determines a method related to listen before talk (LBT) and a method related to transmission corresponding to transmission in a first number of LBT channels in an unlicensed band; a receiving unit that performs LBT on the basis of the method related to LBT; and a transmission unit that transmits the transmission to another terminal on the basis of the method related to the transmission. The control unit determines the method related to LBT and the method related to transmission on the basis of the status of channel occupancy time (COT) acquired by the other terminal in the first number of LBT channels.
09 - Scientific and electric apparatus and instruments
35 - Advertising and business services
36 - Financial, insurance and real estate services
41 - Education, entertainment, sporting and cultural services
Goods & Services
Downloadable computer application software for reading electronic publications; downloadable computer application software for reading electronic publications including electronic comics, electronic cartoon strips and electronic graphic novels; downloadable computer application software for managing prepaid virtual currencies and loyalty points; downloadable comics; downloadable cartoon strips; downloadable graphic novels Advertising services; advertising of electronic publications of others; providing advertising space on the internet; providing sales or popularity rankings of electronic publications for commercial or advertising purposes; providing commercial information and advice for consumers in the choice of products and services; arranging subscriptions to on-line publications for others; online retail store services featuring downloadable electronic publications or printed matter Issuance and management of prepaid virtual currencies; issuing pre-paid vouchers exchangeable for goods or services; issuance and management of prepaid virtual currencies for use in purchase of electronic publications; collection agencies. Providing online non-downloadable electronic publications in the nature of electronic comics, electronic cartoon strips and electronic graphic novels; organization, arranging and conducting of award ceremonies that announce the popularity ranking of electronic publications for entertainment purposes; organization, arranging and conducting of events or competitions related to electronic publications including electronic comics, electronic cartoon strips and electronic graphic novels and providing information relating thereto; arranging, editing, or publishing of electronic publications; translation; providing an online searchable database featuring electronic publications for commercial purposes
09 - Scientific and electric apparatus and instruments
35 - Advertising and business services
36 - Financial, insurance and real estate services
41 - Education, entertainment, sporting and cultural services
Goods & Services
Application software; downloadable computer application software for reading electronic publications; downloadable computer application software for reading electronic publications including electronic comics, electronic cartoon strips and electronic graphic novels; downloadable computer application software for managing prepaid virtual currencies and loyalty points; downloadable electronic publications; downloadable comics; downloadable cartoon strips; downloadable graphic novels; downloadable image files. Advertising; advertising of electronic publications of others; providing advertising space on the internet; providing sales or popularity rankings of electronic publications for commercial or advertising purposes; providing commercial information and advice for consumers in the choice of products and services; arranging subscriptions to on-line publications for others; online retail services for downloadable electronic publications or printed matter. Issuance and management of prepaid virtual currencies; issuance of tokens of value; issue of tokens of value as a reward for customer loyalty; issuance and management of prepaid virtual currencies for use in purchase of electronic publications; collection of payments for goods and services. Providing online electronic publications, not downloadable; organization of award ceremonies; organization, arranging and conducting of award ceremonies that announce the popularity ranking of electronic publications for entertainment purposes; organization, arranging and conducting of events or competitions related to electronic publications including electronic comics, electronic cartoon strips and electronic graphic novels and providing information relating thereto; arranging, editing, or publishing of electronic publications; translation; providing electronic publications by means of a searchable online computer database.
A communication device includes: a control unit configured to autonomously determine a resource to be used for transmission; a reception unit configured to execute an LBT (Listen before talk) before transmitting a signal by using the resource; and a transmission unit configured to transmit the signal to another communication device by using the resource in a case where the reception unit succeeds in the LBT, wherein the transmission unit determines transmission beamforming to be applied upon transmitting the signal, based on reception beamforming applied to the LBT by the reception unit.
A radio communication node is disclosed including an upper node connecting unit that is used for connecting with an upper node; a lower node connecting unit that is used for connecting with a lower node; and a control unit that notifies the upper node or a network whether or not the upper node connecting unit and the lower node connecting unit are compatible with at least one of a space division multiplexing and a frequency division multiplexing. In another aspect, a radio communication method is also disclosed.
A communication device includes: a control unit configured to determine a priority to apply to a data signal; and a transmitting unit configured to transmit information that indicates the determined priority, and the data signal to which the determined priority is applied, in autonomously selected resources, to another communication device.
Appropriate PDCCH monitoring is performed even when carrier aggregation is applied. A terminal according to one aspect of the present disclosure includes: a transmitting section that transmits capability information related to the number of downlink cells where Physical Downlink Control Channel (PDCCH) candidates can be monitored; and a control section that determines, based on the capability information, the number of cells where PDCCH monitoring can be performed for New Radio (NR) of a second release, the number of the cells being different from the number of cells where PDCCH monitoring can be performed for NR of a first release.
H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
H04L 5/00 - Arrangements affording multiple use of the transmission path
A terminal according to one aspect of the present disclosure includes a control section that, when spatial relation information is not configured for an SRS resource in a sounding reference signal (SRS) resource set having antenna switching usage, uses a quasi-co-location (QCL) parameter based on a specific slot for a spatial relation for the SRS resource, and a transmitting section that transmits an SRS by using the SRS resource and the spatial relation.
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
H04L 5/00 - Arrangements affording multiple use of the transmission path
H04W 72/1273 - Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
H04W 76/20 - Manipulation of established connections
A terminal according to one aspect of the present disclosure includes a control section that uses, when a reference signal (RS) for path loss reference for a specific uplink signal is not configured, a quasi-co-location (QCL) parameter based on a specific downlink signal for a spatial relation for the specific uplink signal, and a transmitting section that transmits the specific uplink signal by using the spatial relation. According to one aspect of the present disclosure, it is possible to determine a QCL parameter appropriately.
H04W 76/20 - Manipulation of established connections
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
H04L 5/00 - Arrangements affording multiple use of the transmission path
H04W 72/1273 - Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
This terminal comprises: a transmission unit that transmits a signal for sharing an uplink signal to another terminal by short-range communication; and a communication unit that transmits the uplink signal to a base station or a network in cooperation with the other terminal.
A terminal according to the present invention comprises: a control unit that determines whether or not a single-carrier waveform is to be applied to a downlink control channel; and a reception unit that, in the case where it is determined that the single-carrier waveform is to be applied to the downlink control channel, receives information via the downlink control channel by assuming that the single-carrier waveform is applied.
A terminal according to the present invention comprises: a control unit that determines a size of a frequency resource of a downlink control channel to which a single-carrier waveform is to be applied; and a reception unit that receives information via the downlink control channel by assuming a frequency resource of said size.
A terminal according to one embodiment of the present disclosure relates to artificial intelligence (AI)-based positioning, and is characterized by including a reception unit that receives a performance indicator for performance monitoring, and a control unit that controls the performance monitoring. This embodiment makes it possible to achieve suitable overhead reduction, channel estimation, and resource utilization.
A terminal according to one aspect of the present disclosure has a receiving unit that receives information pertaining to a channel state information (CSI) resource for measuring past CSI information, and a control unit that implements CSI prediction on the basis of the measurement result of the CSI resource. According to the aspect of the present disclosure, favorable overhead reduction / channel estimation / resource usage can be achieved.
A terminal according to one aspect of the present disclosure comprises: a reception unit for receiving downlink control information (DCI) that, from among a first demodulation reference signal (DMRS) to which a first frequency domain orthogonal cover code (FD-OCC) of length 2 is applied and a second DMRS to which a second FD-OCC longer than 2 is applied, indicates a port for the second DMRS; and a control unit for controlling reception or transmission of the second DMRS, wherein the size of second information for indicating the port for the second DMRS is larger than the size of first information for indicating the port for the first DMRS. This embodiment of the present disclosure makes it possible to use an appropriate number of DMRS ports.
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
47.
TERMINAL, WIRELESS COMMUNICATION METHOD, AND BASE STATION
A terminal according to one aspect of the present disclosure comprises: a receiving unit that receives first setting information related to a first downlink (DL) bandwidth portion (BWP), second setting information related to a first uplink (UL) BWP, third setting information related to a second DL BWP, and fourth setting information related to a second UP BWP; and a control unit that determines the settings of a specific channel across at least one of the first DL BWP and the first UL BWP as well as at least one of the second DL BWP and the second UL BWP on the basis of at least one of the first setting information, the second setting information, the third setting information, and the fourth setting information, said terminal being characterized in that the second DL BWP and the second UL BWP are BWPs which are included in at least one frequency domain of the first DL BWP and the first UL BWP and are time-division-multiplexed with at least one of the first DL BWP and the first UL BWP, and the second DL BWP and the second UL BWP are frequency-division-multiplexed with each other. This aspect of the present disclosure makes it possible to improve resource utilization efficiency.
A terminal provided with: a reception unit that receives a positioning reference signal for a single-carrier waveform; and a control unit that performs positioning based on the positioning reference signal for a single-carrier waveform.
This terminal comprises: a reception unit for receiving a reference signal; and a transmission unit for transmitting, on the basis of a comparison of a reception power for the reference signal against a threshold value, a request that a physical uplink control channel be repeatedly transmitted during a random access procedure.
According to the present invention, an avatar creation server creates an avatar including two or more parts. A determination unit determines a movable area of moving parts of the avatar on the basis of a dimension of a first part included in the avatar and a dimension of a second part different from the first part. An image generation unit generates, on the basis of the movable area determined by the determination unit, an image of the avatar at which the moving parts move.
A terminal acquires a time difference between a transmission timing of a first signal and a reception timing of a second signal. When the time difference exceeds a defined threshold value, the terminal transmits time difference information indicating the time difference to a radio base station.
A communication device includes: a transmission unit configured to transmit a connection request to a first communication device; a reception unit configured to receive a connection permission from the first communication device; and a control unit configured to establish a first connection to the first communication device. The control unit controls a communication of a second communication device and performs a communication with the second communication device, and the second communication device performs a communication with a third communication device that includes: a transmission unit that transmits a connection request to the first communication device; a reception unit that receives a connection permission from the first communication device; and a control unit that establishes a first connection with the first communication device.
A beam failure is appropriately detected. A terminal according to an aspect of the present disclosure includes a control section that, when a set of a reference signal (RS) index corresponding to a resource for beam failure detection (BFD) is not configured using higher layer signaling and a specific parameter is configured, selects up to a given number of control resource sets (CORESETs) for determining the RS index to be included in the set in accordance with a specific rule, and a receiving section that evaluates radio link quality, based on an RS corresponding to the RS index.
A terminal according to one aspect of the present disclosure includes a control section that, when a reference signal for pathloss reference for a certain uplink signal is not configured, calculates a pathloss for the certain uplink signal by using a reference signal for quasi co-location (QCL) of a certain downlink resource and determines transmission power of the certain uplink signal based on the pathloss, and a transmitting section that transmits the certain uplink signal by using the transmission power.
This terminal comprises: a communication unit that performs short-range communication with a communication device when specified conditions are met; and a control unit that estimates prescribed information through the short-range communication, wherein the communication unit performs wireless communication with a base station or a network on the basis of the estimated information.
The present invention provides a terminal comprising: a reception unit that receives a downlink signal from a base station or a network in cooperation with another terminal; and a communication unit that receives, from the other terminal by short-range communication, a signal for sharing the downlink signal.
A terminal according to an embodiment of the present disclosure is characterized by having a reception unit that receives a performance index for monitoring performance with regard to artificial intelligence (AI)-based positioning, and a control unit that controls the performance monitoring, the control unit determining whether a specific operation after the performance monitoring can be executed. This embodiment of the present disclosure makes it possible to achieve suitable overhead reduction, channel estimation, and resource utilization.
A terminal according to an aspect of the present disclosure comprises: a receiving unit that receives information regarding an instruction for channel state information (CSI) prediction; and a control unit that performs CSI prediction on the basis of the information. According to one aspect of the present disclosure, it possible to achieve suitable overhead reduction, channel estimation, and resource utilization.
A terminal according to one embodiment of the present disclosure comprises a reception unit that receives information on channel state information (CSI) resources for predicting future CSI, and a control unit that executes CSI prediction for the CSI resources. One embodiment of the present disclosure makes it possible to achieve suitable overhead reduction, channel estimation, and resource utilization.
A terminal according to one embodiment of the present disclosure is characterized by comprising: a control unit that, when a measurement result of layer 1 (L1) satisfies a condition, transmits specific instructions from the physical layer to the medium access control (MAC) layer, counts the specific instructions in the MAC layer, and triggers a non-periodic CSI report on the basis of the counter value; and a transmission unit that transmits the non-periodic CSI report. According to one embodiment of the present disclosure, CSI can be reported appropriately.
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (Japan)
NTT DOCOMO, INC. (Japan)
Inventor
Fukuzono, Hayato
Miyagi, Toshifumi
Onizawa, Takeshi
Okuyama, Tatsuki
Suyama, Satoshi
Kishiyama, Yoshihisa
Abstract
A wireless communication system according to one embodiment of the present invention predicts, on the basis of a relevance degree of each user who uses a terminal, a traffic between the each terminal and each base station, selects a base station to connect on the basis of the traffic of each terminal, continuously collects the terminal position information relating to each terminal and a propagation loss information between each terminal and each base station, calculates a packet error rate of each selected base station on the basis of the collected terminal position information and propagation loss information, determines, on the basis of the calculated packet error rates, whether or not there is a terminal having a communication quality with respect to the base station less than a predetermined value, and when it is determined that there is a terminal having the communication quality less than the predetermined value, changes the base station to which the terminal is connected such that the communication quality of the connection of each terminal to the base station exceeds the predetermined value.
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (Japan)
NTT DOCOMO, INC. (Japan)
Inventor
Fukuzono, Hayato
Miyagi, Toshifumi
Onizawa, Takeshi
Okuyama, Tatsuki
Suyama, Satoshi
Kishiyama, Yoshihisa
Abstract
A wireless communication system according to the present disclosure includes a central station, base stations, and terminal stations configured so as to be capable of performing wireless communication among the terminal stations. The terminal stations transmit, to a base station, information concerning the radio quality and information concerning services being used. The base station performs clustering of the terminal stations according to clustering control information received from the central station. In addition, the base station transmits, to the central station, the information received from the terminal stations and information concerning the radio environment of the terminal stations. The central station learns, on the basis of the information received from the base station, clustering that meets the required radio quality depending on the services being used at the terminal stations and transmits, to the base station, information concerning the learned clustering as the clustering control information.
A terminal according to one aspect of the present disclosure is characterized by comprising: a reception unit which receives a setting indicating that a physical uplink shared channel (PUSCH) waveform can be dynamically switched and receives downlink control information (DCI) and a media access control control element (MAC CE); and a control unit which dynamically switches the wave form of the PUSCH of a specific type on the basis of at least one of the DCI and the MAC CE. According to one aspect of the present disclosure, the switching of the waveform can appropriately be carried out.
This terminal comprises: a reception unit that receives signals from other terminals in an unlicensed band; a control unit that determines a channel to which an interlace configuration is applied for transmitting feedback information of the signals to the other terminal; and a transmission unit that transmits the feedback information to the other terminals via the channel, wherein the control unit assumes that the channel is composed of an interlace common to terminals and resources for individual terminals, and assumes that the individual resources are associated with the common interlace.
A terminal according to one aspect of the present disclosure is characterized by having a transmission unit that transmits a channel state information (CSI) report, and a control unit that, when at least one channel quality indicator (CQI) is to be included the the CSI report, assumes, for the purpose of CQI calculation, that a specific precoding matrix or a specific physical downlink shared channel (PDSCH) symbol vector is to be applied to transmissions in the PDSCH. With this aspect of the present disclosure, it is possible to appropriately perform CSI reporting relating to the influence of movement.
A terminal according to the present invention comprises: a reception unit that receives a groupcast from another terminal in an unlicensed band; a control unit that determines a channel to which an interlace configuration for transmitting feedback information of the groupcast to the other terminal only when the feedback information is NACK is to be applied; and a transmission unit that transmits the feedback information to the other terminal via the channel. The control unit selects a resource for the channel from among a plurality of resource candidates associated with the groupcast.
A terminal according to one aspect of the present disclosure comprises: a reception unit that receives settings for one or more parameters related to the number of spatial domain basis vectors with respect to a plurality of transmission points; and a control unit for using the settings to determine the number of spatial domain basis vectors to be reported with respect to the plurality of transmission points. According to this aspect of this disclosure, an appropriate CSI/codebook for CJT can be determined.
A terminal according to an embodiment of the present disclosure has: a receiver unit that receives first information pertaining to one or more set candidate cells, and second information pertaining to one or more candidate cells where an L1 beam measurement and report are set; and a control unit that controls the L1 beam measurement and report of the one or more candidate cells for which an L1 beam measurement and report are set, on the basis of the second information. The one or more set candidate cells include the candidate cells for which the L1 beam measurement and report are set.
A terminal according to one aspect of the present disclosure comprises: a control unit that determines which of a first unified transmission configuration indication (TCI) state that does not involve the use of a plurality of transmission and reception points (TRP) and a second unified TCI state that involves the use of a plurality of TRPs is to be used; and a transmission and reception unit that uses the first unified TCI state to perform the transmission and reception of a signal to/from a single TRP or uses the second unified TCI state to perform the transmission and reception of a signal to/from a plurality of TRPs based on a single downlink control information (DCI). This one aspect of the present disclosure makes it possible to appropriately apply TCI states.
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
A terminal according to one embodiment of the present disclosure has: a control unit for determining whether to use a first unified Transmission Configuration Indication (TCI) state which does not use a plurality of transmitting/receiving points (TRP) or a second unified TCI state which does use the plurality of TRPs; and a transmitting/receiving unit which performs signal transmission/reception to and from one TRP by using the first unified TCI state, or performs signal transmission/reception to and from a plurality of TRPs based on a plurality of downlink control information (DCI), by using the second unified TCI state. One aspect of the present disclosure makes it possible to appropriately apply TCI states.
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
A terminal according to one embodiment of the present disclosure has: a receiver unit that receives a Medium Access Control (MAC) control element for activating a unified Transmission Configuration Indication (TCI) state that uses a plurality of transmission/reception points (TRP); and a control unit that determines the activation of the unified TCI state on the basis of a specific field included in the MAC CE. According to the one embodiment of the present disclosure, TCI states can be appropriately applied.
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
72.
TERMINAL, WIRELESS COMMUNICATION METHOD, AND BASE STATION
A terminal according to one aspect of the present disclosure has: a reception unit that receives first information relating to a Contention-Free Random Access (CFRA) resource that corresponds to a first transmission/reception point (TRP), and second information relating to a CFRA resource that corresponds to a second TRP; and a control unit that controls the CFRA protocol at the first TRP on the basis of the first information and controls the CFRA protocol at the second TRP on the basis of the second information. With this aspect of the present disclosure, communication can be appropriately implemented even when a plurality of transmission points are used to implement communication.
A terminal according to one embodiment of the present disclosure includes: a reception unit that receives a setting for an inter-cell multi-transmission/reception point (TRP), and receives first information relating to a Contention Free Random Access (CFRA) resource corresponding to a first candidate cell and second information relating to a CFRA resource corresponding to a second candidate cell; and a control unit that controls a CFRA procedure in the first candidate cell on the basis of the first information, and controls a CFRA procedure in the second candidate cell on the basis of the second information. According to the one embodiment of the present disclosure, communication can be appropriately performed even when utilizing a plurality of transmission points.
A terminal according to the present invention comprises: a reception unit that subjects a transmission signal, which is a feedback channel or a sidelink synchronization signal block, to listen before talk (LBT) in an unlicensed band; a control unit that acquires a channel occupancy time (COT) when the LBT is successful; and a transmission unit that transmits the transmission signal to another terminal in the COT. The transmission unit transmits information pertaining to the COT to the other terminal.
This terminal has: a reception unit that performs Listen Before Talk (LBT) with regard to a transmission signal, in an unlicensed band; a control unit that obtains a Channel Occupancy Time (COT) if the LBT was successful; and a transmission unit that transmits the transmission signal to another terminal during the COT. On the basis of the type of the transmission signal, the control unit determines a parameter by which the contention window of the LBT is determined.
A terminal according to one aspect of the present disclosure comprises: a control unit that respectively determines a plurality of resources for a plurality of repetitions of a physical random access channel (PRACH); and a transmission unit that transmits each of the plurality of repetitions using the plurality of resources. According to one aspect of the present disclosure, the coverage of a random access procedure can be improved.
A terminal according to one aspect of the present disclosure comprises: a control unit that determines one or more amplitude coefficients and one or more phase coefficients that correspond to a plurality of spatial domain bases, a plurality of frequency domain bases, and a plurality of Doppler domain units; and a transmission unit that transmits a report including the one or more amplitude coefficients and the one or more phase coefficients. According to one aspect of the present disclosure, it is possible to appropriately execute measurement/report pertaining to influence of movement.
This communication device comprises: a reception unit for receiving control information; and a control unit for performing on-off control of an operation executed on the communication device between a base station and a terminal on the basis of an instruction about the on-off control expressly or implicitly indicated by the control information.
A repeater comprises: a reception unit that receives control information through a first link used for the exchange of control information between a base station and the repeater; and a control unit that determines, on the basis of the control information, a time resource allocated to the repeater for a second link used for transferring signals between the base station and a terminal.
A terminal according to the present invention comprises: a reception unit that receives a single piece of specific downlink control information which schedules a channel for transmission via two or more carriers; and a control unit that determines a specific resource element which corresponds to the specific downlink control information. The control unit uses a specific parameter for the specific downlink control information, so as to determine the specific resource element.
This terminal comprises: a transmission unit that transmits an uplink signal in a network in which a first frequency range and a second frequency range higher than the first frequency range are anticipated; and a control unit that executes reporting of specific capability information relating to beamforming for the first frequency range.
Provided is a terminal comprising: a transmission unit that, when first radio access technology (RAT) and second RAT operate on the same band, transmits to a network information indicating whether or not a downlink control channel candidate of the second RAT, which includes a symbol for which a reference signal of the first RAT is allocated, is receivable; a receiving unit that receives control resource set (CORESET) settings from the network; and a control unit that monitors the downlink control channel candidate, which includes the symbol, on the basis of the CORESET settings, the control unit not assuming that a rate matching pattern of reference signals of a specific CORESET and the first RAT will be set.
H04W 72/231 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
This terminal comprises: a control unit which detects that a candidate position from which a particular signal can be transmitted is muted; and a reception unit which monitors the particular signal at the candidate position in a low power state.
A terminal provided with: a reception unit that, in a low-power state, monitors a specific signal transmitted from a base station; and a control unit that, on the basis of an instruction from the base station, performs switching between operation for continuously monitoring the specific signal and operation for periodically monitoring the specific signal.
This demand forecasting model generation device generates a demand forecasting model for forecasting an amount of demand relative to an indicator in a target area. The demand forecasting model generation device has an acquisition unit and a generation unit. The acquisition unit acquires a first parameter which expresses the conditions around a data collection area where the data to be used in demand forecasting model generation was acquired, and/or a second parameter pertaining to a prerequisite for promoting said demand amount. The generation unit generates the demand forecasting model by using a loss function which assigns a weight based on the first parameter and/or second parameter acquired by the acquisition unit to the difference between the forecasted value of the demand amount and the actual value of the demand amount.
A communication device has: a receiving unit configured to receive information from another communication device; a control unit configured to determine an MCS (Modulation and Coding Scheme) based on the information; and a transmitting unit configured to transmit a signal, to which the MCS is applied, in autonomously selected resources, to the another communication device.
A terminal according to one aspect of the present disclosure is characterized by comprising: a reception unit that receives a setting of a transformPrecoder for an RRC parameter to which enabled or disabled is set, and a setting of the maximum rank, to which a specific value or a value smaller than the specific value is set, when a Physical Uplink Shared Channel (PUSCH) waveform can be switched dynamically; and a control unit that controls transmission of the PUSCH. According to one aspect of the present disclosure, the switching of the waveform can be carried out appropriately.
A terminal according to one aspect of the present disclosure is characterized by comprising: a receiving unit that receives downlink control information (DCI); and a control unit that when a physical uplink shared channel (PUSCH) waveform can be dynamically switched and a discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-s-OFDM) waveform is instructed to the PUSCH, ignores at least one of a demodulation reference signal (DMRS) sequence initialization field or a phase tracking reference signal (PTRS)-DMRS related field of the DCI. According to one aspect of the present disclosure, waveform switching can be appropriately performed.
Provided is a terminal comprising a transmission unit which executes repetitive transmission of a physical channel over a plurality of slots to a base station, a control unit which sets a gap in which the repetitive transmission is not executed in the repetitive transmission. The control unit executes synchronous update with the base station in the gap.
A terminal according to one embodiment of the present disclosure is characterized by having: a transmission unit that transmits a channel state information (CSI) report; and a control unit that determines, if at least one channel quality indicator (CQI) is to be included in the CSI report, at least one of the number of CQIs, the bit width of the CQI, and an index of the CQI, on the basis of a certain condition. According to the embodiment of the present disclosure, it is possible to appropriately execute CSI reporting pertaining to the impact of movement.
A terminal according to one aspect of the present disclosure comprises: a reception unit that receives first information relating to one or more serving cells for which L1 beam measurement and report are set, second information relating to one or more candidate cells for which the L1 beam measurement and report are set, and third information that instructs to deactivate at least one of the serving cells and the candidate cells; and a control unit that controls, on the basis of the first information, the second information, and the third information, the L1 beam measurement and report of the serving cells and the candidate cells.
A terminal according to one aspect of the present disclosure comprises: a reception unit that receives information relating to at least one of a resource setting for channel state information relating to one or more candidate cells corresponding to different frequencies and a report setting for the channel state information; and a control unit that executes control on the basis of the information relating to at least one of the resource setting for the channel state information and the report setting for the channel state information such as to report channel state information including at least one of L1-RSRP (reference signal received power) and an L1-SINR (signal to interference plus noise ratio) for the one or more candidate cells.
A terminal according to one aspect of the present disclosure comprises: a reception unit that receives setting information relating to a codebook subset for only fully-coherent precoders or a codebook subset for only partially-coherent precoders; and a control unit that, on the basis of the codebook subset indicated by the setting information and downlink control information for scheduling a physical uplink shared channel, determines a precoding matrix for transmission on the physical uplink shared channel. According to one aspect of the present disclosure, UL transmission using more than four antenna ports can be appropriately controlled.
H04B 7/0456 - Selection of precoding matrices or codebooks, e.g. using matrices for antenna weighting
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
94.
TERMINAL, WIRELESS COMMUNICATION METHOD, AND BASE STATION
A terminal according to one aspect of the present disclosure comprises: a receiving unit that when a first random access channel (RACH) procedure corresponding to a first transmission/reception point (TRP) is configured, receives a configuration for a second RACH procedure corresponding to a second TRP; and a control unit that determines to maintain the first RACH procedure or to stop the first RACH procedure and start the second RACH procedure on the basis of a specific condition. According to the one aspect of the present disclosure, communication can be appropriately performed even when utilizing a plurality of transmission points.
A terminal according to one aspect of the present disclosure comprises: a transmission unit which, on the basis of at least one of a synchronization status for each of transmission-reception points (TRPs) and establishment of a time alignment for each of the TRPs, uses a specific uplink (UL) signal to transmit a UL time synchronization request pertaining to the TRP; and a control unit which, after a specific period of time has elapsed from transmission of the UL signal, determines that a plurality of TRPs have been synchronized. One aspect of the present disclosure makes it possible to appropriately carry out communication even when the communication is carried out using a plurality of transmission points.
This terminal comprises: a transmission unit that transmits an uplink signal using a physical uplink control channel; and a control unit that, if no individual resources of the physical uplink control channel are provided, repeatedly transmits the physical uplink control channel across a plurality of slots using a shared resource of the physical uplink control channel.
This terminal comprises: a receiving unit that performs listen before talk (LBT) on a transmission signal in an unlicensed band; and a transmission unit that transmits the transmission signal to another terminal when the LBT is successful, wherein when the receiving unit receives a channel or signal transmitted from the other terminal within a channel occupancy time (COT) acquired by the other terminal, by which the COT does not start, the transmission unit transmits the channel or signal to the other terminal within the COT.
This repeater comprises: a reception unit that receives control information via a first link used in exchanging the control information between a base station and the repeater; and a control unit that, on the basis of the control information, determines a time resource allocated to the repeater in a second link used in transferring signals between the base station and a terminal. The control unit sets a sub-carrier interval and/or a cyclic prefix of the time resource to the sub-carrier interval and/or cyclic prefix of the first link.
H04W 88/04 - Terminal devices adapted for relaying to or from another terminal or user
H04W 72/0446 - Resources in time domain, e.g. slots or frames
H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
This radio relay device comprises: a communication unit that transmits/receives control information between a base station and the radio relay device via a first link for use in exchanging the control information; and a control unit that, on the basis of the control information, determines a first downlink reception beam/uplink transmission beam and a first time resource assigned to the radio relay device in the first link and determines a second downlink reception beam/uplink transmission beam and a second time resource assigned to the radio relay device, in a second link between the base station and the radio relay device, for use in transferring a signal between the base station and a terminal. The control unit determines, on the basis of the relationship between the first time resource and the second time resource, whether to cause the second downlink reception beam/uplink transmission beam to follow the first downlink reception beam/uplink transmission beam.
Provided is a terminal comprising a reception unit that receives, in the downlink, information indicating a measurement gap for positioning using a downlink signal other than a positioning reference signal, and a control unit that performs positioning using the downlink signal other than the positioning reference signal during the measurement gap.
