TECHNICAL FIELD

Various embodiments relate to a wireless communication system.

BACKGROUND

Wireless communication systems are being widely deployed to provide various types of communication services such as voice and data. In general, a wireless communication system is multiple access system that can support communication with multiple users by sharing available system resources (e.g., bandwidth, transmission power and the like). Examples of the multiple access system include CDMA (Code Division Multiple Access) system, FDMA (Frequency Division Multiple Access) system, TDMA (Time Division Multiple Access) system, OFDMA (Orthogonal Frequency Division Multiple Access) system, and SC-FDMA (Single Carrier Frequency Division Multiple Access) system and the like.

SUMMARY

Various embodiments may provide a method for transmitting and receiving a signal in a wireless communication system and an apparatus supporting the same.

Various embodiments may provide an unaligned and/or asynchronous carrier aggregation method and an apparatus supporting the same in a wireless communication system.

The technical problems to be achieved in various embodiments are not limited to the above-mentioned matters, and other technical problems not mentioned may be considered by those of ordinary skill in the art from various embodiments to be described below.

Various embodiments may provide a method of transmitting and receiving a signal and an apparatus supporting the same in a wireless communication system.

According to various embodiments, a method performed by a user equipment (UE) in a wireless communication system may be provided.

According to various embodiments, the method may include: receiving information related to a slot offset between a first cell and a second cell for carrier aggregation; and determining the slot offset between the first cell and the second cell, based on the information related to the slot offset.

According to various embodiments, the information related to the slot offset may be information based on a reference subcarrier spacing (SCS) that satisfies a preconfigured condition.

According to various embodiments, the information related to the slot offset may be received based on a higher layer parameter for configuring the second cell.

According to various embodiments, the information related to the slot offset may include information on an integer value related to the slot offset.

According to various embodiments, the integer value related to the slot offset may be selected from preconfigured {−A, . . . , A}.

According to various embodiments, the A may be an integer determined based on the reference SCS.

According to various embodiments, based on the reference SCS being increased, A may be increased, and based on the reference SCS being decreased, A may be decreased.

According to various embodiments, the reference SCS may be an SCS that satisfies the preconfigured condition among at least one SCS configured in the first cell and at least one SCS configured in the second cell.

According to various embodiments, the preconfigured condition may include a condition related to a magnitude relationship between the at least one SCS configured in the first cell and the at least one SCS configured in the second cell.

According to various embodiments, based on (i) determining that the second cell is shifted to right in time domain with respect to the first cell, and (ii) a SCS used in the first cell and a SCS used in the second cell exceeding 30 kHz, respectively: based on the slot offset, a slot 0 of the second cell, after being shifted one time by a time length corresponding to 16 kappa+L to right in the time domain compared to before the slot offset is applied, may be identified as shifted based on being shifted M times by a time length corresponding to L to right in the time domain.

According to various embodiments, based on (i) determining that the second cell is shifted to left in time domain with respect to the first cell, and (ii) the SCS used in the first cell and the SCS used in the second cell exceeding 30 kHz, respectively: based on the slot offset, the slot 0 of the second cell, after being shifted M times by a time length corresponding to L to left in the time domain compared to before the slot offset is applied, may be identified as shifted based on being shifted one time by a time length corresponding to 16 kappa+L to left in the time domain.

According to various embodiments, the kappa may be 64, and the M may be an integer greater than or equal to 0 determined based on the slot offset, and the L may be related to the slot length of each of at least one slot excluding the slot 0 within a 0.5 ms time duration of the first cell or the second cell.

According to various embodiments, the first cell may be a primary cell (PCell) or a primary secondary cell (PSCell).

According to various embodiments, the second cell may be secondary cell (SCell).

According to various embodiments, a device operated in a wireless communication system may be provided.

According to various embodiments, the device may include a memory; and at least one processor connected to the memory.

According to various embodiments, the at least one processor may be configured to: receive information related to a slot offset between a first cell and a second cell for carrier aggregation; and determining the slot offset between the first cell and the second cell, based on the information related to the slot offset.

According to various embodiments, the information related to the slot offset may be information based on a reference subcarrier spacing (SCS) that satisfies a preconfigured condition.

According to various embodiments, the reference SCS may be an SCS that satisfies the preconfigured condition among at least one SCS configured in the first cell and at least one SCS configured in the second cell.

According to various embodiments, the device may be in communication with at least one of a mobile terminal, a network, and an autonomous vehicle other than a vehicle in which the device is included.

According to various embodiments, a method performed by a base station in a wireless communication system may be provided.

According to various embodiments, the method may include: obtaining information related to a slot offset between a first cell and a second cell for carrier aggregation; and transmitting the information related to the slot offset.

According to various embodiments, the information related to the slot offset may be information based on a reference subcarrier spacing (SCS) that satisfies a preconfigured condition.

According to various embodiments, a device operated in a wireless communication system may be provided.

According to various embodiments, the device may include a memory; and at least one processor connected to the memory.

According to various embodiments, the at least one processor may be configured to: obtain information related to a slot offset between a first cell and a second cell for carrier aggregation; and transmit the information related to the slot offset.

According to various embodiments, the information related to the slot offset may be information based on a reference subcarrier spacing (SCS) that satisfies a preconfigured condition.

According to various embodiments, a device operated in a wireless communication system may be provided.

According to various embodiments, the device may include at least one processor; and at least one memory storing at least one instruction to cause the at least one processors to perform a method.

According to various embodiments, the method may include: receiving information related to a slot offset between a first cell and a second cell for carrier aggregation; and determining the slot offset between the first cell and the second cell, based on the information related to the slot offset.

According to various embodiments, the information related to the slot offset may be information based on a reference subcarrier spacing (SCS) that satisfies a preconfigured condition.

According to various embodiments, a processor-readable medium storing at least one instruction for causing one or more processors to perform a method may be provided.

According to various embodiments, the method may include: receiving information related to a slot offset between a first cell and a second cell for carrier aggregation; and determining the slot offset between the first cell and the second cell, based on the information related to the slot offset.

According to various embodiments, the information related to the slot offset may be information based on a reference subcarrier spacing (SCS) that satisfies a preconfigured condition.

The various embodiments described above are only some of the various embodiments, and various embodiments in which the technical characteristics of various embodiments are reflected may be derived and understood by those of ordinary skill in the art based on the detailed description to be described below.

According to various embodiments, a method for transmitting and receiving a signal and an apparatus supporting the same in a wireless communication system may be provided.

According to various embodiments, an unaligned and/or asynchronous carrier aggregation method and an apparatus supporting the same in a wireless communication system may be provided.

According to various embodiments, a communication method using an effective multi-cell/multi-carrier in consideration of a frame structure in a wireless communication system and an apparatus supporting the same may be provided.

Effects obtainable from various embodiments are not limited to the effects mentioned above, and other effects not mentioned can be clearly derived and understood by those of ordinary skill in the art based on the following detailed description.

