# US 2022/0046594 A1 · Method and apparatus for coordinating and allocating sidelink resource

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- Number: US 2022/0046594 A1
- Document ID: US20220046594A1
- Status: Published application
- Kind: A1
- Application number: 17/394,077
- Filed: 2021-08-04
- Published: 2022-02-10
- Earliest claimed: 2020-08-07
- Assignees: Electronics and Telecommunications Research Institute
- Applicants: Electronics and Telecommunications Research Institute
- Inventors: Jung Hoon LEE; Cheul Soon KIM; Sung Hyun MOON
- Web page: https://patentgrep.com/patent/US20220046594A1

## CPC

- H04W 72/02: Selection of wireless resources by user or terminal
- H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH}
- H04L 5/0094: {Indication of how sub-channels of the path are allocated}
- H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA
- H04W 72/56: based on priority criteria
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

An operation method of a transmitting terminal in a communication system may comprise: receiving resource coordination information; selecting a resource for sidelink communication based on the resource coordination information; and transmitting data to one or more receiving terminals by using the selected resource, wherein the resource coordination information is one of information on a preferred resource and information on a non-preferred resource for the sidelink communication.

## Claims

### Claim 1

An operation method of a transmitting terminal in a communication system, the operation method comprising:
receiving resource coordination information;
selecting a resource for sidelink communication based on the resource coordination information; and
transmitting data to one or more receiving terminals by using the selected resource,
wherein the resource coordination information is one of information on a preferred resource and information on a non-preferred resource for the sidelink communication.

### Claim 2 (depends on 1)

The operation method according to claim 1, further comprising receiving an indicator indicating that the resource coordination information is the information on a preferred resource or the information on a non-preferred resource.

### Claim 3 (depends on 1)

The operation method according to claim 1, wherein when the resource coordination information is the information on a preferred resource, the resource for sidelink communication is selected within a first resource region indicated by the resource coordination information.

### Claim 4 (depends on 1)

The operation method according to claim 1, wherein when the resource coordination information is the information on a non-preferred resource, the resource for sidelink communication is selected within resources other than a first resource region indicated by the resource coordination information.

### Claim 5 (depends on 1)

The operation method according to claim 1, wherein the selecting of the resource for sidelink communication comprises:
performing a resource sensing operation; and
when an overlapped resource between a first resource region indicated by the resource coordination information and a second resource region according to a result of the resource sensing operation exists, selecting the overlapped resource for sidelink communication within the first resource region or the second resource region.

### Claim 6 (depends on 5)

The operation method according to claim 5, wherein the selecting of the resource for sidelink communication comprises: when the first resource region is different from the second resource region and a priority of the resource coordination information is higher than a priority of the result of the resource sensing operation, selecting preferentially the resource for sidelink communication within the first resource region.

### Claim 7 (depends on 5)

The operation method according to claim 5, wherein the selecting of the resource for sidelink communication comprises: when the first resource region is different from the second resource region and a priority of the resource coordination information is lower than a priority of the result of the resource sensing operation, selecting preferentially the resource for sidelink communication within the second resource region.

### Claim 8 (depends on 5)

The operation method according to claim 5, further comprising receiving a message including at least one of information on a priority of the resource coordination information and information on a priority of the result of the resource sensing operation.

### Claim 9 (depends on 1)

The operation method according to claim 1, wherein a maximum number of resource regions indicated by the resource coordination information is three or more.

### Claim 10 (depends on 1)

The operation method according to claim 1, wherein a size of a subchannel indicated by the resource coordination information is configured to be different from a size of a subchannel through which the data is transmitted and received.

### Claim 11 (depends on 1)

The operation method according to claim 1, wherein a resource pool indicated by the resource coordination information is independently configured, and the resource coordination information is received in the resource pool.

### Claim 12 (depends on 1)

The operation method according to claim 1, wherein the resource coordination information has a high priority so that a transmission resource of the resource coordination information is not pre-empted.

### Claim 13 (depends on 1)

The operation method according to claim 1, further comprising periodically receiving updated resource coordination information.

### Claim 14 (depends on 1)

The operation method according to claim 1, further comprising receiving updated resource coordination information according to an occurrence of an event or an update request.

### Claim 15

A transmitting terminal, the transmitting terminal comprising:
a processor;
a memory electronically communicating with the processor; and
instructions stored in the memory,
wherein when executed by the processor, the instructions cause the transmitting terminal to:
receive resource coordination information;
select a resource for sidelink communication based on the resource coordination information; and
transmit data to one or more receiving terminals by using the selected resource,
wherein the resource coordination information is one of information on a preferred resource and information on a non-preferred resource for the sidelink communication.

### Claim 16 (depends on 15)

The transmitting terminal according to claim 15, wherein the instructions further cause the transmitting terminal to receive an indicator indicating that the resource coordination information is the information on a preferred resource or the information on a non-preferred resource,
wherein when the resource coordination information is the information on a preferred resource, the resource for sidelink communication is selected within a first resource region indicated by the resource coordination information, and when the resource coordination information is the information on a non-preferred resource, the resource for sidelink communication is selected within resources other than a first resource region indicated by the resource coordination information.

### Claim 17 (depends on 15)

The transmitting terminal according to claim 15, wherein in the selecting of the resource for sidelink communication, the instructions further cause the transmitting terminal to:
perform a resource sensing operation; and
when an overlapped resource between a first resource region indicated by the resource coordination information and a second resource region according to a result of the resource sensing operation exists, select the overlapped resource for sidelink communication within the first resource region or the second resource region.

### Claim 18 (depends on 17)

The transmitting terminal according to claim 17, wherein in the selecting of the resource for sidelink communication, the instructions further cause the transmitting terminal to: when the first resource region is different from the second resource region and a priority of the resource coordination information is higher than a priority of the result of the resource sensing operation, select preferentially the resource for sidelink communication within the first resource region.

### Claim 19 (depends on 17)

The transmitting terminal according to claim 17, wherein in the selecting of the resource for sidelink communication, the instructions further cause the transmitting terminal to: when the first resource region is different from the second resource region and a priority of the resource coordination information is lower than a priority of the result of the resource sensing operation, select preferentially the resource for sidelink communication within the second resource region.

### Claim 20 (depends on 15)

The transmitting terminal according to claim 15, wherein a maximum number of resource regions indicated by the resource coordination information is three or more, and a size of a subchannel indicated by the resource coordination information is configured to be different from a size of a subchannel through which the data is transmitted and received.
