A system, apparatus, method, and non-transitory computer readable medium for implementing a fault-tolerant multi-NRF network topology may include a network repository function (NRF) device including: at least one processor configured to execute computer readable instructions to cause the NRF device to, broadcast a NRF query to a NRF cluster of a core network, the NRF cluster including a plurality of NRF devices located in a public land mobile network (PLMN); receive NRF query responses from each NRF device of the NRF cluster, the NRF query responses including network configuration information of each NRF device; determine a status of each NRF device based on the network configuration information; determine a list of network function (NF) devices registered with the NRF cluster; receive a NF query request from a first NF device; and transmit a NF query response to the first NF device.

A method performed by performed by a near-real time (RT) radio access network (RAN) intelligent controller (RIC) is provided. The method includes transmitting, to a E2 node, an RIC control request message including information on a control action identity (ID), and receiving, from the E2 node, an RIC control acknowledge message or an RIC control failure message in response to the RIC control request message, wherein the RIC control acknowledge message or the RIC control failure message includes information on an RIC control outcome, wherein the information on the RIC control outcome includes at least one set of RAN parameter, wherein each of the at least one set of RAN parameter includes a RAN parameter ID and a RAN parameter value.

A method performed by performed by a near-real time (RT) radio access network (RAN) intelligent controller (RIC) is provided. The method includes transmitting, to a E2 node, an RIC control request message including information on a control action identity (ID), and receiving, from the E2 node, an RIC control acknowledge message or an RIC control failure message in response to the RIC control request message, wherein the RIC control acknowledge message or the RIC control failure message includes information on an RIC control outcome, wherein the information on the RIC control outcome includes at least one set of RAN parameter, wherein each of the at least one set of RAN parameter includes a RAN parameter ID and a RAN parameter value.

The present disclosure relates to a communication scheme and a system for combining an IoT technology with a 5G communication system for supporting a higher data transfer rate than a 4G system. The present disclosure may be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, and security- and safety-related services) on the basis of a 5G communication technology and an IoT-related technology. The present disclosure proposes a method and an apparatus for beam failure recovery. An embodiment of the present disclosure provides a method of a terminal in a wireless communication system. The method of the terminal comprises the steps of: obtaining information on at least one reference signal for beam failure detection; identifying whether a beam failure is detected for each of a first reference signal set and a second reference signal set included in the at least one reference signal; and if a beam failure is detected for at least one of the first reference signal set and the second reference signal set, performing a beam failure recovery procedure for the reference signal set in which the beam failure is detected, wherein the first reference signal set is related to a first control resource set (CORESET) pool, and the second reference signal set is related to a second CORESET pool.

The present disclosure relates to a communication scheme and a system for combining an IoT technology with a 5G communication system for supporting a higher data transfer rate than a 4G system. The present disclosure may be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, and security- and safety-related services) on the basis of a 5G communication technology and an IoT-related technology. The present disclosure proposes a method and an apparatus for beam failure recovery. An embodiment of the present disclosure provides a method of a terminal in a wireless communication system. The method of the terminal comprises the steps of: obtaining information on at least one reference signal for beam failure detection; identifying whether a beam failure is detected for each of a first reference signal set and a second reference signal set included in the at least one reference signal; and if a beam failure is detected for at least one of the first reference signal set and the second reference signal set, performing a beam failure recovery procedure for the reference signal set in which the beam failure is detected, wherein the first reference signal set is related to a first control resource set (CORESET) pool, and the second reference signal set is related to a second CORESET pool.

The present disclosure relates to a pre-5.sup.th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4.sup.th-Generation (4G) communication system such as Long Term Evolution (LTE). According to a method of the disclosure, an element management system (EMS) may perform a report on an error of a base station based on base station performance statistics, and an administrator may effectively manage the base station according thereto. According to an embodiment of the disclosure, a method of EMS is provided. The method comprises: receiving, from a plurality of base stations, first base station performance statistics information including at least one of a number of times of radio resource control (RRC) connection establishment attempts and a number of times of RRC connection establishment successes; identifying second base station performance statistics information, based on the first base station performance statistics information; identifying at least one first base station among the plurality of base stations, based on the second base station performance statistics information; identifying whether at least one second base station is detected from among the base stations other than the at least one first base station among the plurality of base stations, based on the second base station performance statistics information; and based on the at least one second base station being detected, transmitting an alarm message for the at least one second base station.

The present disclosure relates to a pre-5.sup.th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4.sup.th-Generation (4G) communication system such as Long Term Evolution (LTE). According to a method of the disclosure, an element management system (EMS) may perform a report on an error of a base station based on base station performance statistics, and an administrator may effectively manage the base station according thereto. According to an embodiment of the disclosure, a method of EMS is provided. The method comprises: receiving, from a plurality of base stations, first base station performance statistics information including at least one of a number of times of radio resource control (RRC) connection establishment attempts and a number of times of RRC connection establishment successes; identifying second base station performance statistics information, based on the first base station performance statistics information; identifying at least one first base station among the plurality of base stations, based on the second base station performance statistics information; identifying whether at least one second base station is detected from among the base stations other than the at least one first base station among the plurality of base stations, based on the second base station performance statistics information; and based on the at least one second base station being detected, transmitting an alarm message for the at least one second base station.

Method and apparatus for indicating an LBT failure. The method is applicable to a terminal equipment and includes: in a case where a lower layer or a higher layer determines that a first condition and/or a second condition are/is satisfied, notifying or indicating the LBT failure by the lower layer to the higher layer; and/or in a case where the lower layer or the higher layer determines that the first condition and/or a third condition are/is not satisfied, not notifying or indicating the LBT failure by the lower layer to the higher layer, or stopping notifying or indicating the LBT failure by the lower layer to the higher layer.

At least one hardware processor (111) in a wireless access point (110) in a first local network (120) managed by the wireless access point (110) routes traffic between wireless devices (121, 122) in the first local network (120) and a second network via a first interface (113, 114) configured for communication with wireless devices (121, 122) in the first local network (120) and a second interface (115) configured for communication with the second network and, upon determination that communication via the second interface (115) is impossible, connects (S460) through a third interface (113, 114) to a second wireless access (130) point as a wireless device in a second local network (140) managed by the second wireless access point (130) and routes (S470) traffic between the wireless devices (121, 122) in the first local network (120) and the second network via the first interface (113, 114) and the third interface (113, 114). This way a back-up connection can be provided.

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. Embodiments herein provide a method for performing a routing ID (RID) update in user equipment (UE) in a wireless communication network.