US 10,945,257 B2Granted

Data sending method, terminal device, and access network device

AssigneeHuawei Technologies Co., Ltd.

InventorsDeping Liu, Zhenshan Zhao, Hong Li

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Abstract

A data sending method, a terminal device, an access network device, and a system are provided. The method includes: obtaining, by a terminal device, a sending period of first data; obtaining, by the terminal device, configuration information of a first resource; determining, a second resource based on the configuration information of the first resource and a sending period of the first data; and selecting, by the terminal device, a resource other than the second resource to send the first data. When selecting a resource used for V2X communications data or D2D communications data, the terminal device excludes the second resource that cannot be used for the V2X communications data or the D2D communications data, so as to avoid a conflict between the second resource and the resource selected by the terminal device for sending the first data, and improve reliability and security of D2D communication and V2X communication.

Claims12

Dependent claims

A data sending method performed by a terminal device, the method comprising:

obtaining a sending period of a first data;
obtaining a configuration information of a first resource, wherein the first resource is not available for sending the first data;
determining a second resource based on:
the configuration information of the first resource, and
the sending period of the first data;
and
selecting a resource other than the second resource to send the first data,
wherein:
the first resource comprises a synchronization subframe,
the configuration information of the first resource comprises a period of the synchronization subframe and an offset,
the determining a second resource based on the configuration information of the first resource and the sending period of the first data comprises determining the second resource based on:
the period of the synchronization subframe,
the offset, and
the sending period of the first data;
the determining the second resource based on the period of the synchronization subframe, the offset, and the sending period of the first data comprises:
determining a greatest common divisor X of the period of the synchronization subframe and the sending period of the first data based on the period of the synchronization subframe and the sending period of the first data;
and
determining the second resource based on the offset and the greatest common divisor X,
where a subframe number k of the second resource satisfies a formula:
mod(abs(k−offset),X)=0, and
where:
k is an integer greater than or equal to 0,
the offset is an offset of a first synchronization subframe in a system frame number cycle relative to a first subframe in the system frame number cycle, or the offset is an offset of a first synchronization subframe in a direct frame number cycle relative to a first subframe in the direct frame number cycle,
X is a positive integer,
abs(k−offset) represents an absolute value of k−offset, and
mod(abs(k−offset), X) represents a remainder obtained by dividing abs(k−offset) by X.

23 more elements

A terminal device, comprising:

a processor, configured to obtain a sending period of first data, wherein
the processor, is further configured to obtain configuration information of a first resource, wherein the first resource is not for sending the first data;
the processor, is further configured to determine a second resource based on the configuration information of the first resource and the sending period of the first data;
and
the processor, is further configured to select a resource other than the second resource to send the first data,
wherein:
the first resource comprises a synchronization subframe,
the configuration information of the first resource comprises a period of the synchronization subframe and an offset,
the determining a second resource based on the configuration information of the first resource and the sending period of the first data comprises determining the second resource based on:
the period of the synchronization subframe,
the offset, and
the sending period of the first data;
the determining the second resource based on the period of the synchronization subframe, the offset, and the sending period of the first data comprises:
determining a greatest common divisor X of the period of the synchronization subframe and the sending period of the first data based on the period of the synchronization subframe and the sending period of the first data;
and
determining the second resource based on the offset and the greatest common divisor X,
where a subframe number k of the second resource satisfies a formula:
mod(abs(k−offset),X)=0, and
where:
k is an integer greater than or equal to 0,
the offset is an offset of a first synchronization subframe in a system frame number cycle relative to a first subframe in the system frame number cycle, or the offset is an offset of a first synchronization subframe in a direct frame number cycle relative to a first subframe in the direct frame number cycle,
X is a positive integer,
abs(k−offset) represents an absolute value of k−offset,
mod(abs(k−offset), X) represents a remainder obtained by dividing abs(k−offset) by X, and
abs is the absolute value function.

22 more elements

A data sending method, comprising:

sending, by an access network device, configuration information of a first resource to a terminal device, wherein the first resource is not for sending first data, the configuration information of the first resource is used by the terminal device to determine a second resource based on the configuration information of the first resource and a sending period of the first data, and the second resource is used by the terminal device to select a resource other than the second resource to send the first data,
wherein:
the first resource comprises a synchronization subframe,
the configuration information of the first resource comprises a period of the synchronization subframe and an offset,
the determining a second resource based on the configuration information of the first resource and the sending period of the first data comprises determining the second resource based on:
the period of the synchronization subframe,
the offset, and
the sending period of the first data;
the determining the second resource based on the period of the synchronization subframe, the offset, and the sending period of the first data comprises:
determining a greatest common divisor X of the period of the synchronization subframe and the sending period of the first data based on the period of the synchronization subframe and the sending period of the first data;
and
determining the second resource based on the offset and the greatest common divisor X,
where a subframe number k of the second resource satisfies a formula:
mod(abs(k−offset),X)=0, and
where:
k is an integer greater than or equal to 0,
the offset is an offset of a first synchronization subframe in a system frame number cycle relative to a first subframe in the system frame number cycle, or the offset is an offset of a first synchronization subframe in a direct frame number cycle relative to a first subframe in the direct frame number cycle,
X is a positive integer,
abs(k−offset) represents an absolute value of k−offset,
mod(abs(k−offset), X) represents a remainder obtained by dividing abs(k−offset) by X, and
abs is the absolute value function.

18 more elements

An access network device, comprising:

a transmitter, configured to send configuration information of a first resource to a terminal device, wherein the first resource is not for sending first data, the configuration information of the first resource is for determining a second resource based on the configuration information of the first resource and a sending period of the first data, and the second resource is for the terminal device selecting a resource other than the second resource to send the first data,
wherein:
the first resource comprises a synchronization subframe,
the configuration information of the first resource comprises a period of the synchronization subframe and an offset,
the determining a second resource based on the configuration information of the first resource and the sending period of the first data comprises determining the second resource based on:
the period of the synchronization subframe,
the offset, and
the sending period of the first data;
the determining the second resource based on the period of the synchronization subframe, the offset, and the sending period of the first data comprises:
determining a greatest common divisor X of the period of the synchronization subframe and the sending period of the first data based on the period of the synchronization subframe and the sending period of the first data;
and
determining the second resource based on the offset and the greatest common divisor X,
where a subframe number k of the second resource satisfies a formula:
mod(abs(k−offset),X)=0, and
where:
k is an integer greater than or equal to 0,
the offset is an offset of a first synchronization subframe in a system frame number cycle relative to a first subframe in the system frame number cycle, or the offset is an offset of a first synchronization subframe in a direct frame number cycle relative to a first subframe in the direct frame number cycle,
X is a positive integer,
abs(k−offset) represents an absolute value of k−offset,
mod(abs(k−offset), X) represents a remainder obtained by dividing abs(k−offset) by X, and
abs is the absolute value function.

18 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/453,523Filed 26 Jun 2019 · continuation
Priority: 27 Dec 2016
Published: US 2019/0320423 A117 Oct 2019
Granted: 9 Mar 2021
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

H04W 72/23
Control channels or signalling for resource management: in the downlink direction of a wireless link, i.e. towards a terminal
H04W 72/02
Local resource management: selection of wireless resources by user or terminal
H04W 72/00
Local resource management
H04W 72/04
Local resource management: wireless resource allocation