Hyundai Motor Company

Kia Corporation

Kia Motors Corporation

Wonkwang University Center for Industry-Academy Cooperation

Seoul National University

Wonkwang University Center for Industry-Academy Coooperation

Gene Back Hahn

Hyuk Min Son

In Yong Jung

Su Han Choi

Ui Hyun Hong

Seung Wook Park

Bum Jun Kim

Wan Gyu Choi

Young Kil Suh

Jeonghyeon Kwon

Hyukmin Son

Disclosed are a method and device for resource selection in sidelink communication. An operation method of a first transmission terminal comprises the steps of: checking the congestion level in one or more measurement areas; selecting a first resource selection area from among a plurality of resource selection areas when the congestion level is at least a first reference value; selecting a transmission resource within the first resource selection area; and performing sidelink communication with a reception terminal by using the transmission resource.

Method and device for resource in sidelink communication

Disclosed are a method and device for sidelink communication based on DRX. A method for operating a transmission terminal comprises the steps of: performing a sensing operation in a paging resource area; transmitting an SCI to one or more reception terminals in the paging resource area when the paging resource area is available, wherein the SCI is for scheduling the transmission of a paging message; and transmitting the paging message to the one or more reception terminals by using a resource indicated by the SCI.

Method and device for sidelink communication based on DRX

Disclosed are a method and a device for sidelink groupcast communication. A method for operating a transmitting terminal comprises the steps of: transmitting an SS/PBCH block for sidelink communication in all directions by using a beam sweeping method; receiving, from a plurality of receiving terminals, first feedback information about the SS/PBCH block; and transmitting a sidelink channel in a specific direction by using beams of the transmitting terminal that are determined on the basis of the first feedback information. Therefore, communication system performance can be improved.

Method and device for sidelink groupcast communication

Disclosed are a method and an apparatus for transmitting and receiving HARQ responses in a communication system supporting sidelink communication. The method of operating a transmitting terminal comprises the steps of: receiving, from a base station, a higher layer signaling message including PSFCH configuration information; transmitting, to a plurality of receiving terminals, SCI including resource allocation information of data and configuration information for HARQ feedback for the data; transmitting the data to the plurality of receiving terminals in a PSSCH indicated by the SCI; and performing a monitoring operation to receive, from the plurality of receiving terminals, sequences mapped to HARQ responses for the data in a PSFCH resource region indicated by the PSFCH configuration information. Therefore, the performance of a communication system can be improved.

Method and apparatus for transmitting and receiving HARQ responses in wireless communication system supporting sidelink communication

A method of a first terminal may comprise: receiving discontinuous reception (DRX) configuration information for a sidelink; performing a reception operation for a physical sidelink control channel (PSCCH) of a second terminal in an inactive time period indicated by the DRX configuration information; and obtaining sidelink control information (SCI) from the PSCCH.

Method and apparatus for alignment between DRX operations in sidelink communication

A method for operation of a first communication node in an embodiment of a communication system may include the steps of: from among a plurality of transmission antenna elements constituting a first transmission antenna of the first communication node, determining a transmission candidate antenna group including one or more transmission antenna elements via which a wireless signal may be transmitted in the direction of a second communication node through a first lens; receiving information regarding a reception candidate antenna group from the second communication node; determining one or more antenna element combinations on the basis of the one or more transmission antenna elements included in the transmission candidate antenna group and one or more reception antenna elements included in the reception candidate antenna group; and performing, on the basis of the one or more antenna element combinations, wireless communication with the second communication node.

Method and apparatus for transmitting and receiving signal in communication system

A method for paging in sidelink communication includes the steps of: receiving configuration information of a resource sensing/selection window from a base station; determining P candidate resources by performing a resource sensing operation in a P resource sensing window indicated by the configuration information; selecting a P transmission resource from among the P candidate resources in a P resource selection window indicated by the configuration information; and transmitting a paging message to a receiving terminal by using the P transmission resource.

Method and device for paging in sidelink communication

A method for paging in sidelink communication include the steps of: receiving window configuration information from a base station; performing a first resource sensing operation for transmission of a paging message within A window indicated by the window configuration information to determine P candidate resources; performing an operation of selecting a P transmission resource from among the P candidate resources within B window indicated by the window configuration information, and a second resource sensing operation for transmission of data associated with the paging message; and transmitting the paging message to a receiving terminal by use of the P transmission resource.

A method and apparatus for transmission and reception of sidelink control information in a communication system are disclosed. An operation method of a transmission terminal comprises the steps of: generating first stage SCI including resource allocation information of a plurality of pieces of second stage SCI; transmitting the first stage SCI to one or more reception terminals; and transmitting the plurality of pieces of second stage SCI to the one or more reception terminals in a resource area indicated by the resource allocation information. Therefore, the performance of the communication system can be improved.

Method and apparatus for transmission and reception of sidelink control information in communication system

A method and a device for paging in sidelink communication are disclosed. An operating method of a transmitting terminal comprises the steps of: receiving SL paging setup information from a base station; receiving a paging DCI from the base station in an SPO indicated by the SL paging setup information; and transmitting an SL paging message to one or more receiving terminals in a sidelink resource indicated by the paging DCI.

Disclosed is a method for configuring a sidelink resource in a communication system. An operation method of a first terminal comprises the steps of: generating SCI #n including scheduling information of data #n and resource allocation information for transmission or reception of data #m; transmitting SCI #n to a second terminal via PSCCH #n; and transmitting data #n to the second terminal via PSSCH #n indicated by the scheduling information included in SCI #n. Therefore, the performance of a communication system can be improved.

Method for configuring sidelink resource in communication system

An operation method of a first terminal in a communication system is provided. The method includes configuring sidelink (SL) bandwidth parts (BWPs) used for groupcast sidelink communication and transmitting a configuration information message including configuration information of the SL BWPs to participating terminals participating in the groupcast sidelink communication. The groupcast sidelink communication is performed with the participating terminals using one or more SL BWPs among the SL BWPs. In response to determining that reconfiguration of the SL BWPs is necessary, the SL BWPs are reconfigured and a reconfiguration information message including reconfiguration information of the SL BWPs is transmitted to the participating terminals.

Method and apparatus for reconfiguring bandwidth part for groupcast in sidelink communication

A method and a device for aperiodic data transmission in sidelink communication are disclosed. An operating method of a first terminal comprises the steps of: transmitting, to a base station, a request message requesting the allocation of sidelink resources for aperiodic data; receiving, from the base station, first CG configuration information that includes first resource allocation information indicating the sidelink resources; checking the sidelink resources indicated by the first resource allocation information; and, when the aperiodic data is generated, transmitting, to a second terminal, the aperiodic data in a first transmission period comprising the sidelink resources. Therefore, the performance of a communication system can be improved.

Method and device for aperiodic data transmission in sidelink communication

Disclosed are a method and apparatus for transmitting and receiving an HARQ response in a communication system supporting sidelink communication. An operating method for a transmitting terminal comprises the steps of: receiving, from a base station, a higher layer signaling message including PSFCH configuration information; transmitting, to one or more receiving terminals, an SCI including data resource allocation information; transmitting, to the one or more receiving terminals, the data on a PSSCH indicated by the SCI; and performing a monitoring operation on a dedicated PSFCH resource region indicated by the PSFCH configuration information in order to receive a reception response to the SCI from the one or more receiving terminals. Therefore, the performance of the communication system can be improved.

Method and apparatus for transmitting and receiving HARQ response in communication system supporting sidelink communication

Disclosed are a method and apparatus for transmitting and receiving an HARQ response in a communication system supporting sidelink communication. An operating method for a transmitting terminal comprises the steps of: receiving, from a base station, a higher layer signaling message including PSFCH configuration information; transmitting, to a plurality of receiving terminals, SCI including resource allocation information of data and configuration information for HARQ feedback on the data; transmitting, to the plurality of receiving terminals, the data on a PSSCH indicated by the SCI; and receiving, from the plurality of receiving terminals, a sequence mapped to HARQ responses to the data on a PSFCH indicated by the PSFCH configuration information. Therefore, the performance of the communication system can be improved.

Growing community of inventors

Gyeonggi-do, South Korea

Gene Back Hahn