The present disclosure provides a method, performed by a terminal, of requesting positioning system information, the method including receiving System Information Block 1 (SIB1) from a base station; selecting an uplink type to transmit a message for requesting the positioning system information; identifying configuration information for requesting the positioning system information in the SIB1; selecting a transmission method of the message for requesting the positioning system information, based on the selected uplink type and the identified configuration information; and transmitting the message for requesting the positioning system information, based on the selected uplink type and the selected transmission method.

A method includes sending, by a terminal device, a random access preamble on a first uplink carrier. The method further includes receiving, by the terminal device, first information. The first information includes carrier indication information. The carrier indication information is useable to indicate a second uplink carrier useable by a message 3 in a random access process. The second uplink carrier is different from the first uplink carrier. The method further includes sending, by the terminal device, the message 3 in the random access process on the second uplink carrier.

An auxiliary information transmission method, a terminal device, and a network device. The method includes: transmitting auxiliary information by using a target message, where the target message includes an MSG-3 message or an MSG-A message, and the auxiliary information includes at least one of the following content: a power compensation value expected by the terminal device, a bandwidth capability, a modulation scheme supported by the terminal device, a maximum MIMO layer supported by the terminal device, a quantity of receive antennas of the terminal device, an RRM measurement report, a target serving cell, an expected PDCCH aggregation level, expected times of repetition transmission, and a transmit power capability.

Disclosed is a method of transmitting an uplink signal by a user equipment in a wireless communication system. The method includes receiving first information related to an uplink (UL) transmission beam, determining a listen-before-talk (LBT) beam based on the first information, and transmitting the uplink signal through the UL transmission beam based on success of LBT based on the LBT beam.

Uplink synchronization establishment in a base station which operates a plurality of component carriers according to one embodiment of the present description, is performed in that the base station is connected to a user equipment, sets component carrier aggregation information, generates an uplink timing groups in the set component carrier aggregation, and transmits information on the thus-generated uplink timing groups to the user equipment.

The present disclosure provides a user equipment for a mobile telecommunications system, which includes circuitry configured to communicate with a new radio base station. The circuitry is further configured to transmit an on-demand system information request to the new radio base station, wherein the on-demand system information request is transmitted based on a backup resource.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, one or more downlink reference signals. The UE may transmit, to the base station, a random access channel (RACH) message associated with a RACH procedure using a first RACH configuration that is associated with repetitions or a second RACH configuration that is not associated with repetitions based at least in part on whether a measurement of the one or more downlink reference signals satisfies a measurement threshold, wherein a selection of a RACH configuration is evaluated by the UE prior to a transmission of an initial message associated with the RACH procedure. Numerous other aspects are described.

A method for receiving a preamble of a physical random access channel (PRACH) may comprise: obtaining information and parameter(s) for receiving a first PRACH preamble from one antenna in an n-th slot, n being an arbitrary natural number; generating a first parameter set including first stage parameters and second stage parameters for controlling processing of the first PRACH preamble; maintaining an activated state of the first stage parameters such that the first stage parameters are applied while the first PRACH preamble is being processed in a first processing part of a data path module; and maintaining an activated state of the second stage parameters such that the second stage parameters are applied while the first PRACH preamble is being processed in a second processing part of the data path module.

Provided are a method and apparatus for signal transmission and a terminal. The method includes determining the sending mode of multiple uplink channels by a user equipment (UE) in a case where overlapped symbols of the uplink channels exist in time domain; and sending uplink signals carried by the uplink channels according to the determined sending mode.

Various embodiments of the present disclosure relate to a next-generation wireless communication system for supporting higher data rates than 4th generation (4G) wireless communication systems. According to various embodiments of the present disclosure, a method for transmitting and receiving a signal in a wireless communication system, and an apparatus for supporting same may be provided.