1053 results about "Mobile communication systems" patented technology

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 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.

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.

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 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.

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.

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.

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 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.

To provide a communication method, user equipment, a mobile communication system, a program, and a chip set for allowing the user equipment in an RRC inactive state to perform multicast reception, in a mobile communication system providing a multicast / broadcast service (MBS).SOLUTION: User equipment UE 100, which is in a ratio resource control (RRC) inactive state and participates in a multicast session, receives a paging message for notifying the start of the multicast session from a network node gNB 200, and determines whether to make a transition from the RRC inactive state to an RRC connected state. The paging message includes session information on the multicast session, and identification information for specifying one or more pieces of user equipment UE 100 to be transitioned to the RRC connected state.SELECTED DRAWING: Figure 9

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. The present invention discloses a method performed by a UE in a wireless communication system, the method includes storing first resource information related to a contention-based random access (CBRA) and second resource information related to a contention-free random access (CFRA); receiving, from a base station, a first message for requesting random access related information of the terminal; and transmitting, to the base station, a second message including the stored first resource information and the stored second resource information in response to the first message.

A communication method for use in a mobile communication system to provide a multicast / broadcast service (MBS), the method comprising the steps of: receiving configuration information from a base station by a user equipment in a radio resource control (RRC) connected state; and the user equipment transitioning from the RRC connected state to the RRC inactive state receives the multicast session in the cell of the base station. The configuration information includes an information element indicating whether a user equipment receiving a multicast session in an RRC inactive state is allowed to reselect a cell to another cell.

The disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates. The disclosure relates to operations of a terminal and a base station in a wireless communication system, and more specifically, the disclosure relates to a method of transmitting and receiving channel state information between a terminal and a base station in a wireless communication system and a device capable of performing the same. The disclosure provides a device and method capable of effectively providing a service in a mobile communication system.

A communication method used in a Layer 2 relay node. The communication method comprises establishing a connection with a donor node; and receiving, from the donor node, identification information identifying a plurality of Layer 2 relay nodes under the donor node. The identification information further identifies, for each of the plurality of Layer 2 relay nodes, a cell served by the corresponding Layer 2 relay node. A Layer 2 relay node comprises a controller configured to establish a connection with a donor node, and a receiver configured to receive, from the donor node, identification information identifying a plurality of Layer 2 relay nodes under the donor node. The identification information further identifies, for each of the plurality of Layer 2 relay nodes, a cell served by the corresponding Layer 2 relay node.

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Provided is a method performed by a first network entity that performs a session management function (SMF) and a packet data network gateway-control plane function (PGW-C) of a mobile communication system. The method comprises the steps of acquiring, from a user equipment (UE), an indicator indicating a UE route selection policy (URSP) provisioning support in an evolved packet system (EPS);transmitting, based on the indicator, a session management (SM) policy control update request message to a second network entity that performs a policy control function (PCF) related to a session; and receiving, from the second network entity, an SM policy control update response message including URSP information generated by a third network entity that performs a PCF related to the UE.

The invention discloses a time-varying channel estimation method and device based on correlation prediction in an RIS auxiliary system, and the method comprises the steps: assuming that the working mode of the RIS is an ON or OFF mode, and obtaining time domain cascade channel estimation at a historical moment at a base station side; constructing a training sample set by using time domain cascade channel estimation at historical moments; randomly initializing network parameters, and training the long and short-term memory neural network by using the training sample set to obtain a network model with an optimal weight and threshold; predicting the time correlation of the channel based on the trained network model; generating an AR random model by using the time correlation of the channel, and constructing a state space model of the Kalman filter based on the AR random model and the time domain receiving signal; time-varying channel estimation is carried out based on the state space model of the Kalman filter, and cascade channel estimation passing through each RIS unit is obtained. The method is suitable for high-precision acquisition of the time-varying channel information in the RIS-assisted mobile communication system.

A method and apparatus for measuring and reporting cross-link interference are provided. The method includes receiving, from a base station (BS), a measurement configuration for the CLI, performing measurement on the configured measurement object based on the measurement configuration for the CLI and transmitting, to the BS, based on a measurement result of at least one of a resource from a plurality of resources for measuring the CLI of the configured measurement object exceeding a threshold, a measurement report for all of the plurality of resources for measuring the CLI of the configured measurement object whose measurement result exceeds the threshold.

An apparatus, method, and non-transitory computer readable medium performing estimating spatial overlap of beams associated with one or more combinations of at least two user devices of a plurality of user devices of a mobile communications system based, at least in part, on angular direction of radiated power of the user devices, wherein the user devices include candidate user devices to be scheduled on a network resource for multi user channel transmission; and determining scheduling metrics associated with the one or more combinations of the at least two user devices of the plurality of user devices based on the estimated spatial overlap.

The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates. Various embodiments of the present disclosure can provide a power control method and device in a wireless communication system. Through the embodiments of the present disclosure, a signal transmission method of a base station in a 5G mobile communication system is defined, and thus higher reliability in uplink transmission can be achieved through transmission power control according to a set beam.

To provide a terminal and a communication method for early indicating to a base station (gNB) a function newly introduced in repetition of Msg3 of an SBFD (subband non-overlapping full duplex) symbol.SOLUTION: In a mobile communication system, a terminal 200 that performs communication with a base station using a first time unit in which downlink and uplink can be simultaneously used by a plurality of subbands constituting a time division duplex band and a second time unit in which one of downlink and uplink can be used by applying a time division duplex band includes: a control part that sets a random access opportunity in the first time unit; and a transmission part configured to transmit a first message and a third message of a random access procedure using a random access opportunity. The control part generates control information indicating whether to support repetition of the third message in the first time unit, and the transmission part transmits the control information to the base station.SELECTED DRAWING: Figure 20

The invention proposes a secure element (40) cooperating with a device (30), the secure element (40) comprising a GSMA eUlCC function comprising an ECASD eUlCC Controlling Authority Security Domain - (46), an ISD-R Issuer Security Domain - Root - 43 and at least an ISD-P Issuer Security Domain - Profile - (44), the secure element (40) also comprising a Virtual Terminal Security Domain (42) having a direct access to the GSMA eUlCC function via a virtual APDU interface, the Virtual Terminal Security Domain (42) interacting with the GSMA eUlCC function with the same APDUs as the device (30).

A communication method used in a mobile communication system for providing a multicast / broadcast service (MBS) includes the steps of: suspending, by a user equipment in a radio resource control (RRC) connected state, a first multicast radio bearer (MRB) in response to transitioning from the RRC connected state to an RRC inactive state after establishing the first MRB with a network; receiving, by the user equipment in the RRC inactive state, a multicast session via a second MRB from the network; and performing, by the user equipment, predetermined processing of switching from reception of the multicast session via the second MRB to reception of the multicast session via the first MRB, when the user equipment performs RRC connection resume to transition from the RRC inactive state to the RRC connected state.

This user equipment performs wireless communication with a node in a mobile communication system, and comprises a receiving unit that receives a first reference signal transmitted by a node, a control unit that measures a resource of the first reference signal, calculates, on the basis of the measurement of the resource of the first reference signal, a precoder to be used for transmitting a first physical uplink shared channel, and applies the precoder to the first physical uplink shared channel, and a transmitting unit that transmits, to the node, the first physical uplink shared channel to which the precoder has been applied, wherein the control unit maps first transmission target data to a plurality of layers of the first physical uplink shared channel such that the first transmission target data differ between the plurality of layers.

The invention discloses a multi-beam VICTS antenna and a communication terminal, and the multi-beam VICTS antenna is of a multi-layer structure, and comprises a continuous cross section node slot radiation layer, a slow wave structure wave guide layer and a microstrip Rotmann lens feed network layer which are sequentially arranged from top to bottom. An air gap between the continuous section nodal gap radiation layer and the slow wave structure wave guide layer forms a quasi-plane parallel plate waveguide. An electromagnetic wave signal emitted by a satellite antenna enters a quasi-planar waveguide formed by the continuous cross section and the slow wave structure wave guide layer through a gap in the continuous cross section joint gap radiation layer, and electromagnetic waves are transmitted in the quasi-planar waveguide and are sent to the microstrip Rotmann lens feed network through the connection waveguide. And the beam is output from the beam port of the microstrip Rotmann lens. The multi-beam VICTS antenna provided by the invention can utilize multi-beam scanning in the same time period, has larger space coverage capability, and is beneficial to quick satellite finding when a communication-in-moving system is started and quick satellite recapturing after a satellite signal is lost.

This user device is for a 5G mobile communication system comprising memory and a processor. The user device performs a beam sweep using a resource block allocated by a base station, acquires information based on the noise intensity of an interference wave measured by an adjacent user device as a result of performing the beam sweep, and determines a beam to be used on the basis of information regarding an interfering beam.

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. Disclosed is a method by which a terminal collects information related to handover performance and efficiently reports the information to a base station.

The disclosure relates to a communication technique for fusing a 5G communication system with IoT technology to support higher data rate after the 4G system and a system thereof. The disclosure may be applied to an intelligent service (e.g., smart home, smart building, smart city, smart or connected car, healthcare, digital education, retail, security and safety related services, etc.) based on 5G communication technology and IoT-related technology. The disclosure discloses a method for allowing a UE to normally receive a MBS service in various scenarios.