Granted Patent B2

US 12,256,397 · App. 17/290,687 · Granted Mar 18, 2025

Inventor: Yali Zhao (Beijing, CN)

Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

H04W72/23H04W72/569

Abstract

Claims (77)

1. A resource allocation method performed by a terminal, comprising:

determining a sidelink grant;

allocating resources to sidelink logical channels according to the sidelink grant and a mapping relationship between the sidelink logical channels and logical channel prioritization restrictions parameters,

wherein the logical channel prioritization restrictions parameters comprise at least one of following parameters:

a list of radio access technologies allowed to be used at a sidelink by a logical channel;

a list of resource types allowed to be used at a sidelink by a logical channel;

a list of subcarrier spacings allowed to be used at a sidelink by a logical channel;

a maximum length of a transmission time interval allowed to be used at a sidelink by a logical channel,

wherein the method further comprises:

acquiring the mapping relationship, configured by a resource allocation management node, between logical channels and logical channel prioritization restrictions parameters by the terminal, wherein acquiring the mapping relationship, configured by the resource allocation management node, between logical channels and logical channel prioritization restrictions parameters comprises:

reporting logical channels of each sidelink and radio access technologies and/or resource types corresponding to the logical channels of each sidelink to the resource allocation management node, or reporting logical channels of each sidelink and quality-of-service parameters corresponding to the logical channels of each sidelink to the resource allocation management node;

acquiring the mapping relationship, configured by the resource allocation management node, between logical channels and logical channel prioritization restrictions parameters;

or,

acquiring a mapping relationship, configured by the resource allocation management node, between quality-of-service parameters corresponding to sidelink logical channels and logical channel prioritization restrictions parameters, and after acquiring a mapping relationship, configured by the resource allocation management node, between quality-of-service parameters corresponding to sidelink logical channels and logical channel prioritization restrictions parameters, the method further comprises:

determining the mapping relationship between logical channels and logical channel prioritization restrictions parameters, according to the quality-of-service parameters corresponding to sidelink logical channels and according to the mapping relationship between the quality-of-service parameters corresponding to the sidelink logical channels and the logical channel prioritization restrictions parameters.

2. The resource allocation method according to claim 1 , wherein the logical channel prioritization restrictions parameters further comprise a following parameter:

whether pre-configured resources are allowed to be used at a sidelink by a logical channel.

3. The resource allocation method according to claim 1 , further comprising:

determining a mapping relationship between logical channels and a first part of logical channel prioritization restrictions parameters;

acquiring a mapping relationship, configured by a resource allocation management node, between logical channels and a second part of logical channel prioritization restrictions parameters.

4. The resource allocation method according to claim 1 , wherein determining the sidelink grant, comprises:

if a resource allocation mode selected by the terminal itself is used for a sidelink, determining that a target resource in a resource pool corresponding to the sidelink is the sidelink grant;

if a scheduled resource allocation mode is used for a sidelink, receiving the sidelink grant, allocated by a resource allocation management node, corresponding to the sidelink; and/or

allocating the resource to sidelink logical channels according to the sidelink grant and the mapping relationship between sidelink logical channels and logical channel prioritization restrictions parameters, comprise:

determining one or more first logical channels capable of using the sidelink grant, based on the sidelink grant and the mapping relationship between sidelink logical channels and logical channel prioritization restrictions parameters;

determining one or more target logical channels satisfying a preset condition among the one or more first logical channels;

allocating resources for the one or more target logical channels.

5. The resource allocation method according to claim 4 , wherein determining the one or more first logical channels capable of using the sidelink grant, based on the sidelink grant and the mapping relationship between sidelink logical channels and logical channel prioritization restrictions parameters, comprises:

determining one or more second logical channels, in a sidelink, having a data transmission requirement;

determining the one or more second logical channels as the one or more first logical channels, if the sidelink grant meets a requirement of logical channel prioritization restrictions parameters corresponding to the one or more second logical channels.

6. The resource allocation method according to claim 4 , wherein determining the one or more target logical channels satisfying the preset condition among the one or more first logical channels comprises:

determining one or more logical channels with a highest priority among the one or more first logical channels;

determining a target identifier corresponding to the one or more logical channels with the highest priority;

determining one or more logical channels corresponding to the target identifier in the one or more first logical channels as the one or more target logical channels.

7. A resource allocation method performed by a node device, comprising:

configuring a mapping relationship between sidelink logical channels and at least part of logical channel prioritization restrictions parameters for a terminal by the node device, or configuring a mapping relationship between quality-of-service parameters corresponding to sidelink logical channels and logical channel prioritization restrictions parameters for a terminal by the node device;

feeding the mapping relationship back to the terminal by the node device,

wherein the logical channel prioritization restrictions parameters comprise at least one of following parameters:

a list of radio access technologies allowed to be used at a sidelink by a logical channel;

a list of resource types allowed to be used at a sidelink by a logical channel;

a list of subcarrier spacings allowed to be used at a sidelink by a logical channel;

a maximum length of a transmission time interval allowed to be used at a sidelink by a logical channel,

wherein configuring the mapping relationship between sidelink logical channels and at least part of logical channel prioritization restrictions parameters for the terminal by the node device, comprises:

receiving, by the node device, logical channels of each sidelink and radio access technologies and/or resources type corresponding to the logical channels of each sidelink reported by the terminal, or receiving, by the node device, logical channels of each sidelink and quality-of-service parameters corresponding to the logical channels of each sidelink reported by the terminal;

configuring the mapping relationship between the sidelink logical channels and at least part of logical channel prioritization restrictions parameters for the terminal by the node device; or,

wherein the mapping relationship between quality-of-service parameters corresponding to sidelink logical channels and logical channel prioritization restrictions parameters is used by the terminal to determine a mapping relationship between logical channels and logical channel prioritization restrictions parameters, according to the quality-of-service parameters corresponding to sidelink logical channels and according to the mapping relationship between the quality-of-service parameters corresponding to the sidelink logical channels and the logical channel prioritization restrictions parameters.

8. A node device, comprising:

a transceiver, a storage, a processor, and a program stored on the storage and executable by the processor, wherein the processor implements steps of the resource allocation method according to claim 7 .

9. A terminal, comprising a transceiver, a storage, a processor and a program stored on the storage and executable by the processor, wherein when the processor executes the program, the processor implements the steps of:

determining a sidelink grant;

allocating resources to sidelink logical channels according to the sidelink grant and a mapping relationship between sidelink logical channels and logical channel prioritization restrictions parameters,

wherein the logical channel prioritization restrictions parameters comprise at least one of following parameters:

a list of radio access technologies allowed to be used at a sidelink by a logical channel;

a list of resource types allowed to be used at a sidelink by a logical channel;

a list of subcarrier spacings allowed to be used at a sidelink by a logical channel;

a maximum length of a transmission time interval allowed to be used at a sidelink by a logical channel,

wherein the processor further implements a following step when executing the program:

acquiring the mapping relationship, configured by a resource allocation management node, between logical channels and logical channel prioritization restrictions parameters, wherein acquiring the mapping relationship, configured by the resource allocation management node, between logical channels and logical channel prioritization restrictions parameters comprises:

reporting logical channels of each sidelink and radio access technologies and/or resource types corresponding to the logical channels of each sidelink to the resource allocation management node, or reporting logical channels of each sidelink and quality-of-service parameters corresponding to the logical channels of each sidelink to the resource allocation management node;

acquiring the mapping relationship, configured by the resource allocation management node, between logical channels and logical channel prioritization restrictions parameters; or,

acquiring a mapping relationship, configured by the resource allocation management node, between quality-of-service parameters corresponding to sidelink logical channels and logical channel prioritization restrictions parameters, wherein the processor further implements a following step when executing the program, after acquiring a mapping relationship, configured by the resource allocation management node, between quality-of-service parameters corresponding to sidelink logical channels and logical channel prioritization restrictions parameters:

determining the mapping relationship between logical channels and logical channel prioritization restrictions parameters, according to the quality-of-service parameters corresponding to sidelink logical channels and according to the mapping relationship between the quality-of-service parameters corresponding to the sidelink logical channels and the logical channel prioritization restrictions parameters.

10. The terminal according to claim 9 , wherein the processor further implements the following steps when executing the program:

determining a mapping relationship between logical channels and a first part of logical channel prioritization restrictions parameters;

acquiring a mapping relationship, configured by a resource allocation management node, between logical channels and a second part of logical channel prioritization restrictions parameters.

11. The terminal according to claim 9 , wherein the processor further implements the following step when executing the program:

if a resource allocation mode selected by the terminal itself is used for a sidelink, determining that a target resource in a resource pool corresponding to the sidelink is the sidelink grant;

if a scheduled resource allocation mode is used for a sidelink, receiving the sidelink grant, allocated by a resource allocation management node, corresponding to the sidelink;

determining one or more first logical channels capable of using the sidelink grant, based on the sidelink grant and the mapping relationship between sidelink logical channels and logical channel prioritization restrictions parameters;

determining one or more target logical channels satisfying a preset condition among the one or more first logical channels;

allocating resources for the one or more target logical channels.

12. The terminal according to claim 11 , wherein the processor further implements the following steps when executing the program:

determining one or more second logical channels, in a sidelink, having a data transmission requirement;

determining the one or more second logical channels as the one or more first logical channels, if the sidelink grant meets a requirement of logical channel prioritization restrictions parameters corresponding to the one or more second logical channels;

and/or determining one or more logical channels with a highest priority among the one or more first logical channels;

determining a target identifier corresponding to the one or more logical channels with the highest priority;

determining one or more logical channels corresponding to the target identifier in the one or more first logical channels as the one or more target logical channels.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (26)