阅读说明：本技术 一种触发波束失败恢复的方法及装置、终端 (Method, device and terminal for triggering beam failure recovery ) 是由 石聪 尤心 于 2018-10-18 设计创作，主要内容包括：本申请实施例提供一种触发BFR的方法及装置、终端,包括：终端在不连续接收DRX非激活状态下,在第一时间检测到波束失败；所述终端在所述第一时间之后的第二时间,发起波束恢复流程。(The embodiment of the application provides a method, a device and a terminal for triggering BFR, which comprise the following steps: the method comprises the steps that a terminal detects beam failure at a first time in a Discontinuous Reception (DRX) inactive state; and the terminal initiates a beam recovery process at a second time after the first time.)

A method of triggering beam failure recovery, BFR, the method comprising:

the method comprises the steps that a terminal detects beam failure at a first time in a Discontinuous Reception (DRX) inactive state;

and the terminal initiates a beam recovery process at a second time after the first time.

The method of claim 1, wherein the terminal initiates a beam recovery procedure at a second time after the first time, comprising:

and the terminal initiates a BFR flow at a second time after the first time, wherein the BFR flow is used for beam recovery.

The method of claim 2, wherein the second time is determined based on a third time, the third time being a time when the terminal enters a DRX active state from a DRX inactive state.

The method of claim 3, wherein the second time is determined based on a third time, comprising:

the second time is equal to the third time.

The method of claim 3, wherein the second time is determined based on a third time, comprising:

the second time is any one time between the first time and the third time.

The method of claim 2, wherein the second time is determined based on a third time and a first offset time, the third time being a time when the terminal enters a DRX active state from a DRX inactive state.

The method of claim 6, wherein the second time is determined based on a third time and a first offset time, comprising:

the second time is equal to the third time minus the first offset time.

The method of claim 6, wherein the second time is determined based on a third time and a first offset time, comprising:

the second time is any one of the first time and a fourth time, and the fourth time is equal to the third time minus the first offset time.

The method of any one of claims 6 to 8,

the first offset time is configured by a network; alternatively, the first and second electrodes may be,

the first offset time is agreed upon by a protocol.

The method of claim 9, wherein the first offset time is configured by a network, comprising:

the first offset time is configured by the network through infinite resource control, RRC, signaling.

The method of claim 2, wherein the second time is determined based on an end time of a first timer, a start time of the first timer being the first time.

The method of claim 11, wherein the second time is determined based on an end time of a first timer, comprising:

if the ending time of the first timer is before a third time, the second time is the ending time of the first timer;

if the ending time of the first timer is after a third time, the second time is equal to the third time;

wherein the third time is a time when the terminal enters a DRX active state from a DRX inactive state.

The method according to any of claims 3 to 12, wherein the third time is a start time of a second timer, the second timer starting when the terminal enters the DRX active state from the DRX inactive state.

The method of claim 13, wherein a start time of the second timer is configured by a network.

The method of claim 1, wherein the second time is determined based on a fourth time, the fourth time being a time when the terminal decides to transmit a scheduling request in a DRX-inactive state.

The method of claim 15, wherein the method further comprises:

when the terminal decides to send the scheduling request at the fourth time, if it is determined that the beam failure has been detected, then:

and the terminal initiates a BFR flow after the fourth time, and sends a scheduling request after the BFR is successful, wherein the BFR flow is used for beam recovery, and the scheduling request is used for requesting uplink resources.

The method of claim 16, wherein the terminal initiates a BFR procedure after the fourth time, and transmits a scheduling request after BFR success, comprising:

and the terminal initiates a BFR flow on the first available BFR resource after the fourth time, and sends a scheduling request on the first available uplink control channel PUCCH resource after the BFR is successful.

The method of claim 15, wherein the method further comprises:

when the terminal decides to send the scheduling request at the fourth time, if it is determined that the beam failure has been detected, then:

and the terminal initiates a BFR flow after the fourth time, wherein the BFR flow is used for recovering the wave beam and requesting uplink resources.

The method of claim 18, wherein a random access procedure corresponding to the BFR procedure is used to indicate that the BFR procedure is used for beam recovery and requesting uplink resources.

The method of claim 19, wherein the random access procedure corresponding to the BFR procedure is used to indicate that the BFR procedure is used for beam recovery and requesting uplink resources, and the method comprises:

the specific transmission resource and/or the specific preamble of the MSG1 in the random access procedure corresponding to the BFR procedure are used to indicate that the BFR procedure is used to perform beam recovery and request uplink resources.

The method of claim 20, wherein a particular transmission resource and/or a particular preamble of the MSG1 is configured by a network.

The method of claim 15, wherein the method further comprises:

when the terminal decides to send the scheduling request at the fourth time, if it is determined that the beam failure has been detected, then:

and the terminal initiates a BFR flow after the fourth time and sends a scheduling request, wherein the BFR flow is used for beam recovery, and the scheduling request is used for requesting uplink resources.

The method of claim 22, wherein the terminal initiates a BFR procedure after the fourth time and transmits a scheduling request, comprising:

and the terminal initiates a BFR flow on the first available BFR resource after the fourth time and sends a scheduling request on the first available PUCCH resource after the fourth time.

The method of claim 15, wherein the method further comprises:

when the terminal decides to send the scheduling request at the fourth time, if it is determined that the beam failure has been detected, then:

and the terminal sends a scheduling request after the fourth time, wherein the scheduling request is used for requesting uplink resources and performing beam recovery.

The method of claim 24, wherein if the terminal succeeds in beam recovery through the scheduling request, the terminal sets a first counter to 0, the first counter being a beam failure event (BFI) counter, and stops a third timer, the third timer being a beam failure recovery timer.

The method of claim 25, wherein the successful beam recovery is:

after the terminal sends a scheduling request, if a downlink control channel (PDCCH) is detected in a BFR search space and the PDCCH schedules data transmission, the beam is successfully recovered; alternatively, the first and second electrodes may be,

after the terminal sends a scheduling request, if the PDCCH is detected, the wave beam is successfully recovered; alternatively, the first and second electrodes may be,

and after the terminal sends the scheduling request, if the downlink data channel PDSCH is detected, the wave beam is successfully recovered.

The method of any of claims 24 to 26, wherein PUCCH resources of the scheduling request for beam recovery are configured by a network.

The method of any of claims 24 to 27, wherein the method further comprises:

if the terminal fails to recover through the scheduling request beam, then: and the terminal retransmits the scheduling request or performs beam recovery through a BFR flow.

An apparatus to trigger BFR, the apparatus comprising:

a detecting unit, configured to detect a beam failure at a first time in a DRX inactive state;

a recovery unit, configured to initiate a beam recovery procedure at a second time after the first time.

The apparatus of claim 29, wherein the recovery unit is configured to initiate a BFR procedure at a second time after the first time, the BFR procedure for beam recovery.

The apparatus of claim 30, wherein the second time is determined based on a third time, the third time being a time when the terminal enters a DRX active state from a DRX inactive state.

The apparatus of claim 31, wherein the second time is determined based on a third time comprising:

the second time is equal to the third time.

The apparatus of claim 31, wherein the second time is determined based on a third time comprising:

the second time is any one time between the first time and the third time.

The apparatus of claim 30, wherein the second time is determined based on a third time and a first offset time, the third time being a time when the terminal enters a DRX active state from a DRX inactive state.

The apparatus of claim 34, wherein the second time is determined based on a third time and a first offset time, comprising:

the second time is equal to the third time minus the first offset time.

The apparatus of claim 34, wherein the second time is determined based on a third time and a first offset time, comprising:

the second time is any one of the first time and a fourth time, and the fourth time is equal to the third time minus the first offset time.

The apparatus of any one of claims 34 to 36,

the first offset time is configured by a network; alternatively, the first and second electrodes may be,

the first offset time is agreed upon by a protocol.

The apparatus of claim 37, wherein the first offset time is configured by a network comprising:

the first offset time is configured by the network through RRC signaling.

The apparatus of claim 30, wherein the second time is determined based on an end time of a first timer, a start time of the first timer being the first time.

The apparatus of claim 39, wherein the second time is determined based on an end time of a first timer, comprising:

if the ending time of the first timer is before a third time, the second time is the ending time of the first timer;

if the ending time of the first timer is after a third time, the second time is equal to the third time;

wherein the third time is a time when the terminal enters a DRX active state from a DRX inactive state.

The apparatus according to any of claims 31 to 40, wherein the third time is a start time of a second timer, and the terminal enters the DRX active state from the DRX inactive state when the second timer starts.

The apparatus of claim 41, wherein a start time of the second timer is configured by a network.

The apparatus of claim 29, wherein the second time is determined based on a fourth time, the fourth time being a time when the terminal decides to send a scheduling request in a DRX-inactive state.

The apparatus of claim 43, wherein the apparatus further comprises a determination unit;

the determining unit, when deciding to transmit a scheduling request at the fourth time, if it is determined that a beam failure has been detected:

and the recovery unit initiates a BFR flow after the fourth time, and sends a scheduling request after the BFR is successful, wherein the BFR flow is used for beam recovery, and the scheduling request is used for requesting uplink resources.

The apparatus of claim 44, wherein the recovery unit initiates a BFR procedure on a first available BFR resource after the fourth time, and transmits a scheduling request on the first available PUCCH resource after BFR success.

The apparatus of claim 43, wherein the apparatus further comprises a determination unit;

the determining unit, when deciding to transmit a scheduling request at the fourth time, if it is determined that a beam failure has been detected:

and the recovery unit initiates a BFR flow after the fourth time, wherein the BFR flow is used for recovering the beam and requesting uplink resources.

The apparatus of claim 46, wherein a random access procedure corresponding to the BFR procedure is used to indicate that the BFR procedure is used for beam recovery and requesting uplink resources.

The apparatus of claim 47, wherein a random access procedure corresponding to the BFR procedure is used for indicating that the BFR procedure is used for beam recovery and requesting uplink resources, and the method comprises:

the specific transmission resource and/or the specific preamble of the MSG1 in the random access procedure corresponding to the BFR procedure are used to indicate that the BFR procedure is used to perform beam recovery and request uplink resources.

The apparatus of claim 48, wherein a particular transmission resource and/or a particular preamble of the MSG1 is configured by a network.

The apparatus of claim 43, wherein the apparatus further comprises a determination unit;

the determining unit, when deciding to transmit a scheduling request at the fourth time, if it is determined that a beam failure has been detected:

and the recovery unit initiates a BFR flow after the fourth time and sends a scheduling request, wherein the BFR flow is used for beam recovery, and the scheduling request is used for requesting uplink resources.

The apparatus of claim 50, wherein the recovery unit initiates a BFR procedure on a first available BFR resource after the fourth time, and transmits a scheduling request on a first available PUCCH resource after the fourth time.

The apparatus of claim 43, wherein the apparatus further comprises a determination unit;

the determining unit, when deciding to transmit a scheduling request at the fourth time, if it is determined that a beam failure has been detected:

and the recovery unit sends a scheduling request after the fourth time, wherein the scheduling request is used for requesting uplink resources and performing beam recovery.

The apparatus of claim 52, wherein the apparatus further comprises: a setting unit;

the setting unit is configured to set a first counter to 0 and stop a third timer if the beam is successfully recovered through the scheduling request, where the first counter is a BFI counter, and the third timer is a beam failure recovery timer.

The apparatus of claim 53, wherein the successful beam recovery is:

after a scheduling request is sent, if a downlink control channel (PDCCH) is detected in a BFR search space and the PDCCH schedules data transmission, the beam recovery is successful; alternatively, the first and second electrodes may be,

after the scheduling request is sent, if the PDCCH is detected, the wave beam is successfully recovered; alternatively, the first and second electrodes may be,

and after the scheduling request is sent, if the PDSCH (physical downlink shared channel) is detected, the wave beam is successfully recovered.

The apparatus of any one of claims 52 to 54, wherein PUCCH resources of the scheduling request for beam recovery are configured by a network.

The apparatus of any one of claims 52 to 55, wherein the recovery unit is further configured to, if beam recovery fails through the scheduling request: and retransmitting the scheduling request, or performing beam recovery through a BFR process.

A terminal, comprising: a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory to perform the method of any of claims 1 to 28.

A chip, comprising: a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any one of claims 1 to 28.

A computer-readable storage medium storing a computer program for causing a computer to perform the method of any one of claims 1 to 28.

A computer program product comprising computer program instructions to cause a computer to perform the method of any one of claims 1 to 28.

A computer program for causing a computer to perform the method of any one of claims 1 to 28.