Abstract: A method and apparatus in a wireless communication system are provided. The method performed by a terminal may include: receiving, from a source node, a handover command comprising mode information associated with one or more scheduling modes in a target node; based on the handover command, determining, among the one or more scheduling modes, a scheduling mode associated with one or more sidelink logical channels (SL LCHs); and transmitting, to the target node, data from the one or more SL LCHs, based on the determined scheduling mode.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Provided is a method performed by a terminal in a wireless communication system, the method comprising: changing an active uplink (UL) bandwidth part (BWP) in a carrier of a cell, from a first UL BWP to a second UL BWP, in case that a subcarrier spacing of the second UL BWP is different than a subcarrier spacing of a sidelink (SL) BWP in the carrier, deactivating the SL BWP, and canceling a triggered sidelink scheduling request procedure.

Abstract: A method performed by a reduced capability user equipment (redcap UE) in a wireless communication system is provided. The method includes acquiring a system information block 1 (SIB1 ) including information on a first initial uplink bandwidth part (BWP) on a normal uplink (NUL) carrier, identifying whether the SIB1 includes first configuration information used for the redcap UE to request a system information (SI) message, identifying whether a second initial uplink BWP for the redcap UE is configured on the NUL carrier based on the SIB1, in a case that the SIB1 includes the first configuration information for the redcap UE, the second initial uplink BWP for the redcap UE is configured, and criteria to select the NUL carrier is met, starting a random access procedure for requesting the SI message in the second initial uplink BWP for the redcap UE on the NUL carrier, based on a preamble resource in the first configuration information, and acquiring the requested SI message.

Abstract: 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 identifying that a random access procedure is initiated on a serving cell, selecting an uplink (UL) carrier for the serving cell, in case that physical random access channel (PRACH) occasions are not configured for an active UL bandwidth part (BWP) of the selected UL carrier, identifying whether an initial UL BWP for a reduced capability (RedCap) UE is configured, and in case that the initial UL BWP for a RedCap UE is configured, switching the active UL BWP to the initial UL BWP for the RedCap UE.

Abstract: 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 disclosure provides method and apparatus of performing random access procedure.

Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as long term evolution (LTE). Disclosed is a method by which a terminal transmits a buffer status report (BSR) in a communication system, including allocating an uplink resource from a base station; comparing the number of padding bits with a value obtained by summing the size of the BSR and the size of a sub-header of the BSR; and transmitting, to the base station according to the comparison result, the BSR including information indicating the presence or absence of a field representing a buffer size for at least one logical channel group (LCG).

Abstract: A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for Internet of things (IoT) are provided. The communication method and system 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. A method for performing a random access procedure in a wireless communication system is provided.

Abstract: 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, one or more of: a smart home, a smart building, a smart city, a smart car, a connected car, health care technologies, digital education technologies, smart retail technologies, and security and safety services. A method and apparatus for handling of multiple active bandwidth parts (BWPs) are provided.

Abstract: A method is provided. The method is performed by a user equipment (UE), of performing sidelink communication, and includes obtaining a valid system information block (SIB) for sidelink communication, autonomously determining a sidelink resource based on information of a pool of sidelink resources included in the valid SIB for sidelink communication, and performing sidelink communication with another UE using the determined sidelink resource.

Abstract: 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) are provided. The communication method and system includes 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 method includes receiving and selectively applying at least one of a first set of random access prioritization parameters, a second set of random access prioritization parameters, or a third set of random access prioritization parameters, based on whether a random access procedure is initiated for beam failure recovery or handover.

Abstract: 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. Accordingly the embodiments herein provides a method for handling a RAR in a wireless communication system (300).

Abstract: A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for Internet of things (IoT) are provided. The communication method and system include intelligent services based on the 5G communication technology and the IoT-related technology, such as a smart home, a smart building, a smart city, a smart car, a connected car, health care, digital education, smart retail, security and safety services. A method performed by a base station for transmitting a paging message is provided. The method includes determining a number of paging frames (PFs) in a discontinuous reception (DRX) cycle based on information on paging search space, transmitting, to a terminal, information on the number of PFs in system information block 1 (SIB1), identifying at least one PF based on the number of PFs, and transmitting, to the terminal, at least one paging message in the at least one PF.

Abstract: An operating method of a first terminal in a wireless communication system according to an embodiment of the disclosure may include: obtaining capability information of a second terminal; transmitting, to the second terminal, duplication transmission information for performing duplication transmission of a sidelink, based on the capability information; and performing duplication transmission of the sidelink based on the duplication transmission information, wherein the duplication transmission information includes sidelink radio bearer information, sidelink destination identifier information, and sidelink carrier information.

Abstract: A system for converging fifth generation (5G) communication systems for supporting higher data rates beyond fourth generation (4G) systems with a technology for Internet of things (IoT) is provided. The communication method and system 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. A system is provided for determining system information validity by acquiring and storing a first system information block and other system information, including information on a public land mobile network (PLMN) identity and a value tag, and determining whether the stored system information is valid for the cell.

Abstract: The present disclosure relates to a communication technique for merging an IoT technology with a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail, security-and safety-related services, and the like) on the basis of 5G communication technologies and IoT-related technologies.

Abstract: 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.

Abstract: 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) are provided. The communication method and system 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. A method and apparatus for determining a reception area of a packet in a V2X system are provided. In described aspects, a reception terminal may receive location information of a transmitting terminal and range information of transmitted data, and may determine whether to provide feedback regarding the transmitted data based on the location information and the range information.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a terminal is provided, the method including receiving, from a base station, a radio resource control (RRC) message including information associated with a power headroom report (PHR) of multiple transmission and reception points (TRPs), in case that a PHR is triggered, obtaining a first power headroom (PH) of a first TRP and a second PH of a second TRP, generating a medium access control (MAC) control element (CE) for the multiple TRPs including the first PH of the first TRP and the second PH of the second TRP, and transmitting, to the base station, the MAC CE for the multiple TRPs.

Abstract: The present disclosure relates to a communication technique for combining, with IoT technology, a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure may be applied to intelligent services, such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, and security and safety related services, on the basis of 5G communication technologies and IoT-related technologies. According to various embodiments of the present invention, a method and an apparatus for effectively transmitting data of a small size in a next-generation mobile communication system may be provided.

Abstract: 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) are provided. The communication method and system 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. A method, terminal, and base station for performing a random access procedure in a wireless communication system are provided.