# US 2021/0243833 A1 · Radio communication method, terminal device and network device

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2021/0243833 A1
- Document ID: US20210243833A1
- Status: Published application
- Kind: A1
- Application number: 17/234,309
- Filed: 2021-04-19
- Published: 2021-08-05
- Earliest claimed: 2018-10-26
- Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Inventors: Ning YANG; Qianxi LU
- Web page: https://patentgrep.com/patent/US20210243833A1

## CPC

- H04W 76/27: Transitions between radio resource control [RRC] states
- H04W 72/04: Wireless resource allocation
- H04W 76/14: Direct-mode setup
- H04W 76/23: Manipulation of direct-mode connections
- H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal
- H04W 76/18: Management of setup rejection or failure
- H04W 76/34: Selective release of ongoing connections
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

Provided are a radio communication method, a terminal device and a network device, wherein same can realize the timely and fast configuration of a direct link resource. The method comprises: during the establishment or recovery of a radio resource control (RRC) connection of a terminal device, the terminal device receiving a first message sent by a network device, wherein the first message comprises information of a direct link resource configured or updated by the network device.

## Claims

### Claim 1

A method of wireless communication, comprising:
receiving, by a terminal device, a first message sent by a network device in a process of a radio resource control (RRC) connection setup or resume of the terminal device, wherein the first message comprises information of a direct link resource configured or updated by the network device.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the first message is one of the following messages:
an RRC connection setup message, an RRC connection resume message, an RRC connection release message or an RRC connection reject message.

### Claim 3 (depends on 1)

The method according to claim 1, further comprising:
sending, by the terminal device, a second message to the network device, wherein the second message comprises indication information, and the indication information is used for indicating that the process of the RRC connection setup or resume is used for requesting configuring or updating the direct link resource.

### Claim 4 (depends on 3)

The method according to claim 3, wherein the second message is an RRC connection setup request message, an RRC connection resume request message, or an RRC connection setup complete message.

### Claim 5 (depends on 1)

The method according to claim 1, wherein the information of the direct link resource comprises at least one of:
a first resource or a first resource pool used for direct link sending or receiving;
a using condition of the first resource or the first resource pool; and
a relationship between the first resource or the first resource pool and a second resource or a second resource pool, wherein the second resource or the second resource pool is a direct link resource configured before the first resource or the first resource pool.

### Claim 6 (depends on 5)

The method according to claim 5, wherein the using condition of the first resource or the first resource pool comprises a using time range and/or a using area range of the first resource or the first resource pool.

### Claim 7 (depends on 6)

The method according to claim 6, wherein the using area range is one of:
a single cell, multiple cells, a tracking area (TA) and a radio access network area (RA).

### Claim 8 (depends on 5)

The method according to claim 5, wherein the relationship between the first resource or the first resource pool and the second resource or the second resource pool is a complementary relationship or a substitution relationship, wherein the complementary relationship is used for indicating that both the first resource or the first resource pool and the second resource or the second resource pool can be used for direct link communication, and the substitution relationship is used for indicating that the second resource or the second resource pool is no longer used in the case the first resource or the first resource pool being configured.

### Claim 9 (depends on 1)

The method according to claim 1, wherein the direct link resource is a resource for a direct link of device to device (D2D) or a resource for a direct link of vehicle to everything (V2X).

### Claim 10 (depends on 3)

The method according to claim 3, wherein before sending, by the terminal device, the second message to the network device, the terminal device is in an idle state or in an inactive state.

### Claim 11

A method of wireless communication, comprising:
sending, by a network device, a first message to a terminal device in a process of a radio resource control (RRC) connection setup or resume of the terminal device, wherein the first message comprises information of a direct link resource configured or updated by the network device.

### Claim 12 (depends on 11)

The method according to claim 11, wherein the first message is one of the following messages:
an RRC connection setup message, an RRC connection resume message, an RRC connection release message or an RRC connection reject message.

### Claim 13 (depends on 11)

The method according to claim 11, further comprising:
receiving, by the network device, a second message sent by the terminal device, wherein the second message comprises indication information, and the indication information is used for indicating that the process of the RRC connection setup or resume is used for requesting configuring or updating the direct link resource.

### Claim 14

A terminal device, comprising:
a processor; and
a memory,
wherein the memory is configured to store a computer program, and the processor is configured to call and run the computer program stored in the memory so as to:
receive a first message sent by a network device in a process a radio resource control (RRC) connection setup or resume of the terminal device, wherein the first message comprises information of a direct link resource configured or updated by the network device.

### Claim 15 (depends on 14)

The terminal device according to claim 14, wherein the first message is one of the following messages: an RRC connection setup message, an RRC connection resume message, an RRC connection release message or an RRC connection reject message.

### Claim 16 (depends on 14)

The terminal device according to claim 14, wherein the processor is further configured to: send a second message to the network device, wherein the second message comprises indication information, and the indication information is used for indicating that the process of the RRC connection setup or resume is used for requesting configuring or updating the direct link resource,
wherein the second message is an RRC connection setup request message, an RRC connection resume request message, or an RRC connection setup complete message.

### Claim 17 (depends on 14)

The terminal device according to claim 14, wherein the information of the direct link resource comprises at least one of:
a first resource or a first resource pool used for direct link sending or receiving;
a using condition of the first resource or the first resource pool; and
a relationship between the first resource or the first resource pool and a second resource or a second resource pool, wherein the second resource or the second resource pool is a direct link resource configured before the first resource or the first resource pool,
wherein the using condition of the first resource or the first resource pool comprises a using time range and/or a using area range of the first resource or the first resource pool,
wherein the using area range is one of:
a single cell, multiple cells, a tracking area (TA) and a radio access network area (RA).

### Claim 18 (depends on 17)

The terminal device according to claim 17, wherein the relationship between the first resource or the first resource pool and the second resource or the second resource pool is a complementary relationship or a substitution relationship, wherein the complementary relationship is used for indicating that both the first resource or the first resource pool and the second resource or the second resource pool can be used for direct link communication, and the substitution relationship is used for indicating that the second resource or the second resource pool is no longer used in the case the first resource or the first resource pool being configured.

### Claim 19 (depends on 14)

The terminal device according to claim 14, wherein the direct link resource is a resource for a direct link of device to device (D2D) or a resource for a direct link of vehicle to everything (V2X).

### Claim 20 (depends on 16)

The terminal device according to claim 16, wherein before sending the second message to the network device, the terminal device is in an idle state or in an inactive state.