阅读说明：本技术 数据传输方法、装置、终端及存储介质 (Data transmission method, device, terminal and storage medium ) 是由 卢前溪 于 2019-08-12 设计创作，主要内容包括：本申请公开了一种数据传输方法、装置及系统,涉及无线通信领域,该方法在非连续接收的HARQ反馈处于去使能状态时,在下行接收过程中启动或重启非连续接收下行重传定时器。实现NTN技术中HARQ机制去使能后的非连续接收。(The application discloses a data transmission method, a device and a system, which relate to the field of wireless communication. And realizing discontinuous reception after the HARQ mechanism in the NTN technology is disabled.)

A method of data transmission, the method comprising:

and when the HARQ feedback of the discontinuous reception is in a de-enabling state, starting or restarting a discontinuous reception downlink retransmission timer in the downlink reception process.

The method of claim 1, wherein the starting or restarting a discontinuous reception downlink retransmission timer in a downlink reception process comprises:

and starting or restarting the discontinuous reception downlink retransmission timer corresponding to the HARQ process used by the downlink data in the first symbol after the downlink data is received.

The method of claim 2, wherein the downlink data is transmitted repeatedly;

the starting or restarting the discontinuous reception downlink retransmission timer corresponding to the HARQ process used by the downlink data at the first symbol after the downlink data is received includes:

and starting or restarting the discontinuous reception downlink retransmission timer corresponding to the HARQ process used by the downlink data after receiving the first symbol after the first repeated transmission of the downlink data.

The method of claim 2, wherein the downlink data is transmitted repeatedly;

the starting or restarting the discontinuous reception downlink retransmission timer corresponding to the HARQ process used by the downlink data at the first symbol after the downlink data is received includes:

and starting or restarting the discontinuous reception downlink retransmission timer corresponding to the HARQ process used by the downlink data after receiving the first symbol after the last repeated transmission of the downlink data.

The method of claim 2, wherein the downlink data is transmitted repeatedly;

the starting or restarting the discontinuous reception downlink retransmission timer corresponding to the HARQ process used by the downlink data at the first symbol after the downlink data is received includes:

stopping a discontinuous reception downlink retransmission timer corresponding to an HARQ process used by the downlink data when receiving a first symbol after the first repeated transmission of the downlink data;

and starting the discontinuous reception downlink retransmission timer corresponding to the HARQ process used by the downlink data at the first symbol after the last repeated transmission of the downlink data is received.

The method according to any one of claims 2 to 4, wherein the downlink data adopts a scheduling manner of dynamic scheduling; the method further comprises the following steps:

and stopping the discontinuous reception downlink retransmission timer corresponding to the downlink HARQ process used by the downlink data at the time of receiving the scheduling information of the downlink data.

The method of claim 1, wherein the downlink data is dynamically scheduled;

the starting of the discontinuous reception downlink retransmission timer in the downlink reception process includes:

and starting or restarting the discontinuous reception downlink retransmission timer corresponding to the downlink HARQ process used by the downlink data at the time of receiving the scheduling information of the downlink data.

The method according to any one of claims 2 to 5, wherein the downlink data is scheduled by semi-persistent scheduling.

The method according to any one of claims 1 to 8, wherein the downlink data comprises:

each downlink data in the initially transmitted downlink data and the retransmitted downlink data;

or the like, or, alternatively,

and the initially transmitted downlink data.

The method according to any one of claims 1 to 8, further comprising:

and when the HARQ feedback of the discontinuous reception is in a de-enabling state, not starting the downlink HARQ round-trip transmission time timer of the discontinuous reception.

The method according to any one of claims 1 to 8, further comprising:

and when the downlink data is successfully decoded, stopping the discontinuous reception downlink retransmission timer.

A data transmission apparatus, characterized in that the apparatus comprises:

and the starting module is used for starting or restarting the discontinuous reception downlink retransmission timer in the downlink receiving process when the HARQ feedback of the discontinuous reception is in the de-enabling state.

The apparatus of claim 12,

the starting module is configured to start or restart the discontinuous reception downlink retransmission timer corresponding to the HARQ process used by the downlink data in a first symbol after the downlink data is received.

The apparatus according to claim 13, wherein the downlink data is transmitted repeatedly;

the starting module is configured to start or restart the discontinuous reception downlink retransmission timer corresponding to the HARQ process used for the downlink data after receiving the first symbol after the first repeated transmission of the downlink data is received.

The apparatus according to claim 13, wherein the downlink data is transmitted repeatedly;

the starting module is configured to start or restart the discontinuous reception downlink retransmission timer corresponding to the HARQ process used by the downlink data when the first symbol after the last retransmission of the downlink data is received.

The apparatus according to claim 13, wherein the downlink data is transmitted repeatedly; the device further comprises: a stop module;

the stopping module is configured to stop a discontinuous reception downlink retransmission timer corresponding to an HARQ process used by the downlink data when a first symbol after the first repeated transmission of the downlink data is received;

the starting module is configured to start the discontinuous reception downlink retransmission timer corresponding to the HARQ process used by the downlink data at a first symbol after the last retransmission of the downlink data is received.

The apparatus according to any one of claims 13 to 15, wherein the downlink data adopts a dynamically scheduled scheduling manner; the device further comprises: a stop module;

the stopping module is configured to stop the discontinuous reception downlink retransmission timer corresponding to the downlink HARQ process used by the downlink data at the time of receiving the scheduling information of the downlink data.

The apparatus according to claim 12, wherein the downlink data is dynamically scheduled;

the starting module is configured to start or restart the discontinuous reception downlink retransmission timer corresponding to the downlink HARQ process used by the downlink data at the time of receiving the scheduling information of the downlink data.

The apparatus according to any of claims 13 to 16, wherein the downlink data is scheduled by semi-persistent scheduling.

The apparatus according to any of claims 12 to 19, wherein the downlink data comprises:

each downlink data in the initially transmitted downlink data and the retransmitted downlink data;

or the like, or, alternatively,

and the initially transmitted downlink data.

The apparatus of any one of claims 12 to 19,

the starting module is further configured to not start the discontinuously received downlink HARQ round trip transmission time timer when the discontinuously received HARQ feedback is in a de-enabled state.

The apparatus of any one of claims 12 to 19, further comprising: a stop module;

the stopping module is configured to stop the discontinuous reception downlink retransmission timer when the downlink data is successfully decoded.

A terminal, characterized in that it comprises a processor and a memory, said memory storing at least one instruction for execution by said processor to implement the data transmission method according to any one of the preceding claims 1 to 11.

A computer-readable storage medium having stored thereon at least one instruction for execution by a processor to implement the data transmission method of any one of claims 1 to 11.

A chip comprising programmable logic circuitry and/or program instructions for implementing a data transmission method as claimed in any one of claims 1 to 11 when the chip is in operation.

A computer program product, characterized in that it comprises one or more computer programs which, when executed by a processor, are adapted to implement the data transmission method according to any one of claims 1 to 11.