1578 results about "Mobile communication systems" patented technology

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transfer rate. The present disclosure relates to a method performed by a terminal in a wireless communication system. Provided according to various embodiments of the present disclosure are a method and a device which can quickly activate cells in a next-generation mobile communication system.

The present disclosure provides a method performed by user equipment in a wireless communication system. The method may comprise the steps of receiving information for measurement configuration; identifying that user equipment has been configured with (NG) EN-DC or NR-DC; identifying that an SRB3 has been configured; identifying whether or not an SCG has been inactivated; and if the SRB3 has been configured and the SCG has not been inactivated, transmitting a measurement report message via the SRB3.

To make effective use of multi-access session.SOLUTION: In a mobile communication system including a core network connected to a plurality of radio access networks, the core network includes a network device for transmitting DC control information for a multi-access session indicating a combination of base stations that prohibit DC (Dual Connectivity) for a user terminal to a base station of a radio access network to which the user terminal is connected when a multi-access session to be established between the user terminal and the core network satisfies a specific multi-access session condition, and the base station includes a DC control unit for controlling DC for the user terminal based on the DC control information for the multi-access session.SELECTED DRAWING: Figure 1

A communication method using a relay apparatus in a mobile communication system includes relaying, by a repeater included in the relay apparatus, a radio signal having a predetermined frequency and transmitted between a network node and a user equipment, and controlling, by a control terminal included in the relay apparatus, the repeater by performing wireless communication with the network node. The control terminal is configured with multiple serving cells including a cell corresponding to the predetermined frequency by the network node.

The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). A method of transmitting or receiving a signal by a user equipment (UE) in a mobile communication system is provided. The method may include: identifying a neural network model for transmitting first information to a base station (BS); learning a connection weight of the neural network model using the first information; transmitting, to the base station, second information for updating a weight of a second partial neural network corresponding to the base station based on a result of the learning; and updating a weight of a first partial neural network corresponding to the UE based on the result of the learning.

A Private Mobile Network (PMN) orchestrator sends, to a controller for a public mobile network, a message indicating one or more network functions for a private mobile network slice for a private mobile network and configuration information for the private mobile network slice. In some examples, the message is a Global System for Mobile communications Association (GSMA) NEtwork Slice Type (NEST) extended to specify the one or more network functions for the private mobile network slice and the configuration information for the private mobile network slice. The message enables the public mobile network to deploy a public mobile network slice that extends the private mobile network slice.

The disclosure relates to a 5G or 6G communication system for supporting higher data transfer rates. The disclosure relates to the operation of a terminal and abase station in a wireless communication system and, more specifically to, an uplink reference signal transmission and reception method in a wireless communication system and an apparatus capable of performing the same. The disclosure provides an apparatus and a method capable of effectively providing services in a mobile communication system. A method performed a terminal includes receiving at least one reference signal transmitted from a base station, generating, based on the received at least one reference signal, a beam report to support simultaneous multi-panel transmission, and transmitting the beam report to the base station.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate.According to an embodiment of the present disclosure, proposed is a method for reducing processing latency which may occur when CA or DC configured for a terminal is activated or deactivated.

A communication apparatus configured to communicate with a communication apparatus in a mobile communication system using a machine learning technology includes a controller configured to perform machine learning processing of learning processing to derive a learned model by using learning data and / or inference processing to infer inference result data from inference data by using the learned model, and a transmitter configured to transmit, to the communication apparatus, a message including an information element related to a processing capacity and / or a storage capacity usable by the communication apparatus for the machine learning processing.

The present disclosure relates to a communication scheme and system for combining an IoT technology with a 5G communication system for supporting a higher data transfer rate beyond a 4G system. The present disclosure may be applied to intelligent services (e.g. smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, and security and safety services) on the basis of a 5G communication technology and an IoT-related technology. The present disclosure provides a method and an apparatus for supporting compression and decompression of an Ethernet header.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a terminal in a wireless communication system is provided. The method includes transmitting, to a network entity associated with a first network system, a registration request message for a disaster roaming service, the registration request message including capability information of the terminal, transmitting, to the network entity, a service request message for an emergency service using a second network system, and after the emergency service ends, performing a cell reselection to return to the first network system providing the disaster roaming service.

The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates. Disclosed are a method and a device for supporting access by a terminal to a NES cell, the method comprising the steps of: receiving, in a radio resource control (RRC) inactive mode or an RRC idle mode, system information from a camp-on first cell; acquiring, from the system information, system information about a second cell that does not perform system information transmission; determining, on the basis of threshold value information about the reception signal strength included in the system information about the second cell, whether a condition for access to the second cell is satisfied; and performing, if the condition is satisfied, a random access procedure for the access to the second cell.

A communication control method according to one aspect is a communication control method in a mobile communication system. The communication control method comprises: transmitting, at a network node to a user equipment, configuration information relating to a transmission path through which extended Reality (XR) traffic is transmitted; and transmitting, at the user equipment to the network node, XR assistance information relating to the XR comprising identification information relating to the transmission path on a basis on the configuration information. The configuration information comprises association information between the identification information relating to the transmission path and a session ID of the XR.

A method of supporting reinforcement learning (RL) in a mobile communication system and devices for performing the same are disclosed. The method of supporting RL in a mobile communication system includes receiving a subscription request to train an RL model from a consumer network function (NF), training the RL model by collecting data in response to the subscription request, and when training of the RL model is completed based on a training completion condition, transmitting a notification including RL model information to the consumer NF.

The disclosure relates to a communication technique for converging Internet of things (IoT) technology with 5th generation (5G) communication systems designed to support a higher data transfer rate beyond 4th generation (4G) systems, and a system therefor. The disclosure may be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail business, security and safety-related services, etc.) on the basis of 5G communication technology and IoT-related technology. A terminal operation method related to each universal subscriber identity module (USIM) when dual connectivity is established for a terminal supporting multi-USIM, and an apparatus therefor are provided.

A communication method for applying a machine learning technology to wireless communication between a user equipment and a network node in a mobile communication system includes: transmitting, by one communication apparatus among a user equipment and a network node, a notification indicating at least one selected from the group consisting of including an untrained model, including a model in training, and including a trained model on which testing has been completed to the other communication apparatus among the user equipment and the network node; and receiving, by the one communication apparatus, a response corresponding to the notification from the other communication apparatus.

The present disclosure relates to a communication technique converging IoT technology with a 5G communication system for supporting higher data transfer rates than 4G systems and a system for same. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety-related services, or the like) on the basis of 5G communication technology and IoT-related technology. The present invention relates to a wireless communication system, and more specifically, the present invention relates to a method and device for providing a terminal mobility event reporting service in a cellular wireless communication system (5G system).

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. According to one embodiment, a method for operating a user equipment (UE) in a wireless communication system may comprise receiving an L1 / L2 triggered mobility (LTM) medium access control control element (MAC CE) from a base station, determining whether the LTM MAC CE includes a timing advance (TA) value or a random access channel (RACH)-less handover indicator, and when the LTM MAC CE includes the TA value or the RACH-less handover indicator, performing a handover procedure to a target cell based on the TA value or the RACH-less handover indicator.

The present disclosure relates to: a communication technique that integrates a 5G communication system for supporting a higher data transmission rate than a 4G system with IoT technology; and a system therefor. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail business, security and safety-related services, etc.) on the basis of 5G communication technology and IoT-related technology. The present disclosure discloses a method and device for measurement setup and reporting for inter-cell movement.

A communication scheme and a system thereof are provided for converging IoT technology and a 5G communication system for supporting a high data transmission rate beyond that of a 4G system. The disclosure can be applied to intelligent services based on the 5G communication technology and the IoT-related technology. The disclosure provides a method of minimizing a handover delay and a handover failure possibility of the terminal in a mobile communication system, which includes receiving a handover command from a first BS; performing DL synchronization with a second BS; determining whether a first UL signal to be transmitted to the first BS and a second UL signal to be transmitted to the second BS overlap; and in response to determining that the first UL signal and the second UL signal overlap, transmitting the second UL signal to the second BS, wihtout transmitting the first UL signal to the first BS.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a terminal in a wireless communication system is provided. The method includes identifying whether a packet data convergence protocol (PDCP) entity is suspended in case that the PDCP entity re-establishment is requested from an upper layer, identifying whether an indicator is configured for indicating that an uplink data compression (UDC) is continuously used and a PDCP service data unit (SDU) is compressed, for an acknowledged mode (AM) data radio bearer (DRB) whose the PDCP entity is not suspended, and submitting the PDCP SDU, in case that the indicator is configured for indicating that the UDC is continuously used and the PDCP SDU is compressed.

A communication method executed by a user equipment in a mobile communication system for providing a Multicast / Broadcast Service (MBS) includes the steps of: performing multicast reception in a Radio Resource Control (RRC) inactive state based on a multicast configuration received from a network through dedicated signaling; determining to access the network for update of the multicast configuration in response to determination that the update is necessary; and determining whether to apply or skip access control for restricting the access, based on configuration information from the network.

A communication method used in a mobile communication system includes: at a relay apparatus, relaying a radio signal, the relay apparatus being configured to change a propagation state of the radio signal without demodulating and modulating the radio signal transmitted between a first cell and a user equipment; and at a first network node corresponding to the first cell, transmitting a message for connecting the relay apparatus to a second cell to a second network node corresponding to the second cell over a network interface. The message includes information relating to the relay apparatus.

The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates. According to an embodiment of the present disclosure, proposed are a method for reporting an IDC problem between 3GPP and non-3GPP systems in an MR-DC scenario, a method for reporting an IDC problem in BWP or PRB units in more detail compared to existing methods, a method for reporting a TDM-based solution preferred by a terminal, a method for introducing an autonomous denial function for NR, and a method for improving SON / MDT considering IDC problems. According to various embodiments of the present disclosure, provided are a method for reporting IDC-related information and a preferred solution, and a device capable of performing same. Accordingly, an effect of improving a method for reporting IDC-related information and a preferred solution may be obtained.

Embodiments provide a transceiver of a 4th or 5th generation mobile communication system, wherein the transceiver is configured to operate in a sidelink mode, wherein the transceiver is configured, in the sidelink mode, to transmit or receive signals using radio resources in an unlicensed band, wherein the unlicensed band is one out of the following unlicensed bands:the 2.4 GHz band,the 5 GHz band with the exception of the intelligent transport system, ITS, band,the 6 GHz band,the 60 GHz band,the 57 GHz to 71 GHz band,unlicensed bands in FR2 range.

The invention discloses a communication path determination method and device. In the method, a first network element receives a path selection request sent by a session management network element, the first path selection request being used for requesting to select a user plane network element for a session of a terminal device; the first network element selects a user plane network element for the session of the terminal equipment according to the path selection request and acquired network information, and the network information comprises routing information of a data network connected with at least one user plane network element or a subnetwork connected with the terminal equipment; and the first network element sends the information of the selected user plane network element to the session management network element. According to the method, the mobile communication system can select the user plane network element for the terminal equipment based on the routing information, so that a guarantee is provided for message transmission of a user through the user plane network element or a transmission path between the user plane network elements, and the message forwarding efficiency is improved.

The present disclosure relates to an operation method of a central NWDAF comprising the steps of: receiving an analytics request message from a network function; determining, on the basis of the analytics request message, a local NWDAF included in a federated learning (FL) group; transmitting an FL local behavior instruction to the local NWDAF; receiving a response message from the local NWDAF in response to the FL local behavior instruction; receiving, on the basis of the FL local behavior instruction, a local model generated by means of the local NWDAF from the local NWDAF; generating a global model on the basis of the local model; and transmitting the global model to the NWDAF.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) in a wireless communication system is provided. The method includes receiving, from a base station, system information block 1 (SIB1), determining whether the UE has a temporary capability restriction, and in case that the SIB1 comprises information that allows to send an indicator related to the temporary capability restriction, and the UE has the temporary capability restriction, transmitting, to the base station, a first radio resource control (RRC) message including the indicator, wherein the indicator indicates temporary capability restriction associated with multi universal subscriber identity module (MUSIM) operation.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. There is provided a method for controlling a wireless relay device and corresponding devices. The method includes: obtaining information used to indicate a capability of the wireless relay device; transmitting the obtained information to an upstream wireless relay device of the wireless relay device or a base station; and receiving control information generated based on the information from the upstream wireless relay device or the base station, wherein the control information is used to control communication of the wireless relay device. According to the method and the corresponding devices, the performance of a mobile communication system may be improved, and the communication efficiency of the mobile communication system may be improved.

A method of a terminal according to the present disclosure may comprise: receiving, from a base station, CSI-related information including CSI resource configuration information; measuring CSI-RSs respectively received through beams of the base station based on the CSI resource configuration information; generating prediction information for the beams of the base station by using the measured CSI-RSs as inputs to an AI model; and transmitting a report message to the base station based on the prediction information for the beams of the base station.