Wireless communication method and terminal device

文档序号:1909912 发布日期:2021-11-30 浏览:12次 中文

阅读说明:本技术 无线通信方法和终端设备 (Wireless communication method and terminal device ) 是由 杨宁 于 2019-09-25 设计创作,主要内容包括:本申请实施例提供了一种无线通信方法和终端设备,对于关闭了反馈功能的HARQ进程,终端设备在动态调度上行传输、动态调度下行传输、预配置资源上行传输、预配置资源上下行传输之后启动或者重启DRX非激活定时器,从而终端设备能够在执行这些操作之后继续监听PDCCH,便于在NTN网络中终端设备能够对网络设备持续调度重传或新传的连续接收。该无线通信方法包括:对于关闭了反馈功能的HARQ进程,终端设备在执行第一操作之后启动或者重启DRX非激活定时器,其中,该第一操作包括以下中的至少一种:接收下行动态调度信令、接收上行动态调度信令、在下行预配置资源上接收MAC PDU、以及在上行预配置资源上发送MAC PDU。(The embodiment of the application provides a wireless communication method and terminal equipment, for an HARQ process with a feedback function closed, the terminal equipment starts or restarts a DRX (discontinuous reception) inactivity timer after dynamically scheduling uplink transmission, dynamically scheduling downlink transmission, pre-configured resource uplink transmission and pre-configured resource uplink and downlink transmission, so that the terminal equipment can continue to monitor a PDCCH (physical downlink control channel) after performing the operations, and the terminal equipment can continuously schedule retransmission or continuously receive new transmission to the network equipment in an NTN (network transport network). The wireless communication method includes: for the HARQ process with the feedback function turned off, the terminal device starts or restarts the DRX inactivity timer after performing a first operation, wherein the first operation includes at least one of: receiving a downlink dynamic scheduling signaling, receiving an uplink dynamic scheduling signaling, receiving an MAC PDU on a downlink pre-configured resource, and sending the MAC PDU on an uplink pre-configured resource.)

A method of wireless communication, comprising:

for a hybrid automatic repeat request HARQ process with the feedback function turned off, the terminal device starts or restarts a discontinuous reception DRX inactivity timer after performing a first operation, wherein,

the first operation includes at least one of:

receiving a downlink dynamic scheduling signaling, receiving an uplink dynamic scheduling signaling, receiving a media access control protocol data unit (MAC PDU) on a downlink pre-configured resource, and sending the MAC PDU on an uplink pre-configured resource.

The method of claim 1, further comprising:

and the terminal equipment does not start or close a first timer and/or a second timer corresponding to the HARQ process after executing the first operation, wherein the duration of the first timer is one round trip transmission time (RTT) in DRX, the second timer is a timer aiming at retransmission in DRX, and the terminal equipment does not monitor a Physical Downlink Control Channel (PDCCH) during the running period of the first timer and/or the second timer.

The method according to claim 1 or 2, wherein the terminal device starts or restarts a DRX inactivity timer after performing the first operation, comprising:

and the terminal equipment starts or restarts the DRX inactivity timer when the terminal equipment finishes the first operation.

The method according to any one of claims 1 to 3, further comprising:

the terminal equipment determines the HARQ process with the feedback function closed.

The method of claim 4, further comprising:

the terminal equipment receives first configuration information, wherein the first configuration information is used for indicating that part or all of HARQ processes close a feedback function;

the determining, by the terminal device, the HARQ process with the feedback function turned off includes:

and the terminal equipment determines the HARQ process with the feedback function closed according to the first configuration information.

The method according to any one of claims 1 to 5, wherein the downlink dynamic scheduling signaling is used for scheduling a downlink new transmission or a downlink retransmission.

The method of claim 6, wherein the downlink dynamic scheduling signaling and a first Downlink Control Information (DCI) are carried in one PDCCH, wherein a New Data Indication (NDI) bit in the first DCI is toggled to indicate that the downlink dynamic scheduling signaling is used for scheduling a downlink new transmission, and wherein the NDI bit in the first DCI is not toggled to indicate that the downlink dynamic scheduling signaling is used for scheduling a downlink retransmission.

The method according to any of claims 1 to 5, wherein the uplink dynamic scheduling signaling is used for scheduling uplink new transmission or uplink retransmission.

The method of claim 8, wherein the uplink dynamic scheduling signaling and the second DCI are carried in one PDCCH, wherein an NDI bit in the second DCI is toggled to indicate that the uplink dynamic scheduling signaling is used for scheduling an uplink new transmission, and wherein an NDI bit in the second DCI is not toggled to indicate that the uplink dynamic scheduling signaling is used for scheduling an uplink retransmission.

The method according to any of claims 1 to 5, wherein the MAC PDU received on the downlink pre-configured resource is a downlink newly transmitted MAC PDU.

The method of claim 10, further comprising:

the terminal equipment receives a first PDCCH, wherein the first PDCCH comprises a first downlink scheduling signaling and a third DCI, the first downlink scheduling signaling is used for scheduling downlink retransmission, and an HARQ process indicated in the third DCI is an HARQ process with a feedback function closed;

the terminal device starts or restarts the DRX inactivity timer after receiving the first PDCCH.

The method of claim 11, wherein the terminal device starts or restarts the DRX inactivity timer after receiving the first PDCCH, comprising:

and the terminal equipment starts or restarts the DRX inactivity timer when receiving the first PDCCH.

The method according to any of claims 1 to 5, wherein the MAC PDU sent on the upstream pre-configured resource is an upstream newly transmitted MAC PDU.

The method of claim 13, further comprising:

the terminal equipment receives a second PDCCH, wherein the second PDCCH comprises a first uplink scheduling signaling and a fourth DCI, the first uplink scheduling signaling is used for scheduling uplink retransmission, and an HARQ process indicated in the fourth DCI is an HARQ process with a feedback function closed;

the terminal device starts or restarts the DRX inactivity timer after receiving the second PDCCH.

The method of claim 14, wherein the terminal device starts or restarts the DRX inactivity timer after receiving the second PDCCH, comprising:

and the terminal equipment starts or restarts the DRX inactivity timer when receiving the second PDCCH.

The method according to any of claims 1 to 15, applied to a non-terrestrial communication network, NTN.

A terminal device, comprising: a processing unit for processing the received data,

for a hybrid automatic repeat request, HARQ, process with the feedback function turned off, the processing unit starts or restarts a discontinuous reception, DRX, inactivity timer after performing a first operation, wherein,

the first operation includes at least one of:

receiving a downlink dynamic scheduling signaling, receiving an uplink dynamic scheduling signaling, receiving a media access control protocol data unit (MAC PDU) on a downlink pre-configured resource, and sending the MAC PDU on an uplink pre-configured resource.

The terminal device according to claim 17, wherein the processing unit is further configured to not start or close a first timer and/or a second timer corresponding to the HARQ process after performing the first operation, a duration of the first timer is one round trip transmission time RTT in DRX, the second timer is a timer for retransmission in DRX, and the terminal device does not monitor a physical downlink control channel PDCCH during operation of the first timer and/or the second timer.

The terminal device according to claim 17 or 18, wherein the processing unit is specifically configured to:

starting or restarting the DRX inactivity timer when the first operation is performed.

The terminal device according to any of claims 17 to 19, wherein the processing unit is further configured to determine the HARQ process with the feedback function turned off.

The terminal device of claim 20, wherein the terminal device further comprises:

a communication unit, configured to receive first configuration information, where the first configuration information is used to indicate that a part or all of HARQ processes close a feedback function;

the processing unit is specifically configured to:

determining the HARQ process with the feedback function closed according to the first configuration information.

The terminal device according to any of claims 17 to 21, wherein the downlink dynamic scheduling signaling is used to schedule a downlink new transmission or a downlink retransmission.

The terminal device of claim 22, wherein the downlink dynamic scheduling signaling and a first Downlink Control Information (DCI) are carried in one PDCCH, wherein a New Data Indication (NDI) bit in the first DCI is toggled to indicate that the downlink dynamic scheduling signaling is used for scheduling a downlink new transmission, and wherein the NDI bit in the first DCI is not toggled to indicate that the downlink dynamic scheduling signaling is used for scheduling a downlink retransmission.

The terminal device according to any one of claims 17 to 21, wherein the uplink dynamic scheduling signaling is used for scheduling an uplink new transmission or an uplink retransmission.

The terminal device of claim 24, wherein the uplink dynamic scheduling signaling and the second DCI are carried in one PDCCH, an NDI bit in the second DCI is flipped to indicate that the uplink dynamic scheduling signaling is used to schedule an uplink new transmission, and an NDI bit in the second DCI is not flipped to indicate that the uplink dynamic scheduling signaling is used to schedule an uplink retransmission.

A terminal device according to any of claims 17 to 21, wherein the MAC PDU received on the downlink pre-configured resource is a downlink newly transmitted MAC PDU.

The terminal device of claim 26, wherein the terminal device further comprises:

a communication unit, configured to receive a first PDCCH, where the first PDCCH includes a first downlink scheduling signaling and a third DCI, where the first downlink scheduling signaling is used to schedule downlink retransmission, and an HARQ process indicated in the third DCI is an HARQ process with a feedback function turned off;

the processing unit is further configured to start or restart the DRX inactivity timer after the communication unit receives the first PDCCH.

The terminal device of claim 27, wherein the processing unit is specifically configured to:

starting or restarting the DRX inactivity timer when the communication unit finishes receiving the first PDCCH.

The terminal device according to any of claims 17 to 21, wherein the MAC PDU sent on the uplink pre-configured resource is an uplink newly transmitted MAC PDU.

The terminal device of claim 29, wherein the terminal device further comprises:

a communication unit, configured to receive a second PDCCH, where the second PDCCH includes a first uplink scheduling signaling and a fourth DCI, where the first uplink scheduling signaling is used to schedule uplink retransmission, and an HARQ process indicated in the fourth DCI is an HARQ process with a feedback function turned off;

the processing unit is further configured to start or restart the DRX inactivity timer after the communication unit receives the second PDCCH.

The terminal device of claim 30, wherein the processing unit is specifically configured to:

starting or restarting the DRX inactivity timer when the communication unit finishes receiving the second PDCCH.

The terminal device according to any of claims 17 to 31, wherein the terminal device is applied to a non-terrestrial communication network (NTN).

A terminal device, comprising: a processor and a memory, the memory for storing a computer program, the processor for invoking and executing the computer program stored in the memory, performing the method of any one of claims 1 to 16.

An apparatus, comprising: a processor for calling and running a computer program from a memory to cause a device in which the apparatus is installed to perform the method of any one of claims 1 to 16.

A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 1 to 16.

A computer program product comprising computer program instructions for causing a computer to perform the method of any one of claims 1 to 16.

A computer program, characterized in that the computer program causes a computer to perform the method according to any one of claims 1 to 16.

25页详细技术资料下载
上一篇:一种医用注射器针头装配设备
下一篇:用于频域基报告的中间集合大小的配置

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!