METHOD AND DEVICE FOR WIRELESS COMMUNICATION
The present application provides a method and device for wireless communications, comprising determining a first reference signal resource for beam selection management; determining whether a first message is transmitted on a first channel according to at least whether there exists an incomplete beam failure recovery procedure, the first message indicating the first reference signal resource; wherein a transmission of the first message is for the beam selection management. The method proposed in the present application can achieve simultaneous running of beam failure recovery and beam selection management.
1 . A first node for wireless communications, comprising:
a first receiver, for beam selection management, determining a first reference signal resource; and
a first transmitter, determining whether a first message is transmitted on a first channel according to at least whether there exists an incomplete beam failure recovery procedure, the first message indicating the first reference signal resource;
wherein a transmission of the first message is for the beam selection management.
2 . The first node according to claim 1 , wherein the determining whether a first message is transmitted on a first channel based on at least whether there exists an incomplete beam failure recovery procedure comprises: if there does not exist incomplete beam failure recovery procedure, transmitting the first message on the first channel.
3 . The first node according to claim 1 , comprising:
the first transmitter, transmitting a second message, and the second message being used to indicate a second reference signal resource;
wherein the incomplete beam failure recovery procedure exists, and the transmitting a second message belongs to the incomplete beam failure recovery procedure; the determining whether a first message is transmitted on a first channel according to at least whether there exists an incomplete beam failure recovery procedure comprises: determining whether the first message is transmitted on the first channel based on whether the first reference resource and the second reference resource are non-QCL (quasi-co-located).
4 . The first node according to claim 2 , comprising:
the first transmitter, transmitting a second message, and the second message being used to indicate a second reference signal resource;
wherein the incomplete beam failure recovery procedure exists, and the transmitting a second message belongs to the incomplete beam failure recovery procedure; the determining whether a first message is transmitted on a first channel according to at least whether there exists an incomplete beam failure recovery procedure comprises: determining whether the first message is transmitted on the first channel based on whether the first reference resource and the second reference resource are non-QCL.
5 . The first node according to claim 3 , comprising:
the first transmitter, initiating a first random access procedure, and the first random access procedure being based on contention; the first random access procedure comprising at least transmitting a first signal; the first signal comprising a first RACH (Random Access CHannel) preamble, and time-frequency resources occupied by the first RACH preamble being RACH resources associated with the second reference signal resource;
wherein the incomplete beam failure recovery procedure exists, and the first random access procedure belongs to the incomplete beam failure recovery procedure.
6 . The first node according to claim 4 , comprising:
the first transmitter, initiating a first random access procedure, and the first random access procedure being based on contention; the first random access procedure comprising at least transmitting a first signal; the first signal comprising a first RACH preamble, and time-frequency resources occupied by the first RACH preamble being RACH resources associated with the second reference signal resource;
wherein the incomplete beam failure recovery procedure exists, and the first random access procedure belongs to the incomplete beam failure recovery procedure.
7 . The first node according to claim 1 , wherein the incomplete beam failure recovery procedure exists, and the determining whether a first message is transmitted on a first channel based on at least whether there exists an incomplete beam failure recovery procedure comprises: determining whether the first message is transmitted on the first channel based on whether the beam selection management is applied to a first search space set; the first search space set comprises at least one search space.
8 . The first node according to claim 1 , wherein the incomplete beam failure recovery procedure exists, and the determining whether a first message is transmitted on a first channel based on at least whether there exists an incomplete beam failure recovery procedure comprises: determining whether the first message is transmitted on the first channel based on whether the beam selection management is applied to a first search space set; the first search space set comprises at least one search space.
9 . The first node according to claim 1 , comprising:
the first receiver, receiving a third message, the third message being used to indicate a first reference signal set; the first reference signal set comprising at least one reference signal resource; assessing first-type radio link quality according to the first reference signal set, whenever the assessed first-type radio link quality is worse than a first threshold, increasing a first counter by 1; as a response to the first counter being greater than or equal to a first value, triggering the incomplete beam failure recovery procedure; assessing second-type radio link quality based on the first reference signal set; assessing third-type radio link quality based on a second reference signal set, and determining the first reference signal resource in the second reference signal set based on at least the second-type radio link quality and the third-type radio link quality.
10 . The first node according to claim 2 , comprising:
the first receiver, receiving a third message, the third message being used to indicate a first reference signal set; the first reference signal set comprising at least one reference signal resource; assessing first-type radio link quality according to the first reference signal set, whenever the assessed first-type radio link quality is worse than a first threshold, increasing a first counter by 1; as a response to the first counter being greater than or equal to the first value, triggering the incomplete beam failure recovery procedure; assessing second-type radio link quality based on the first reference signal set; assessing third-type radio link quality based on the second reference signal set, and determining the first reference signal resource in the second reference signal set based on at least the second-type radio link quality and the third-type radio link quality.
11 . The first node according to claim 1 , comprising
the first transmitter, determining that the first message is transmitted on the first channel based on at least whether there exists an incomplete beam failure recovery procedure; the transmitting the first message on the first channel comprising transmitting the first message on the first channel after a first time window in which the incomplete beam failure recovery procedure is completed;
wherein the incomplete beam failure recovery procedure exists.
12 . The first node according to claim 2 , wherein
the first transmitter, determining that the first message is transmitted on the first channel based on at least whether there exists an incomplete beam failure recovery procedure; the transmitting the first message on the first channel comprising transmitting the first message on the first channel after a first time window in which the incomplete beam failure recovery procedure is completed;
wherein the incomplete beam failure recovery procedure exists.
13 . The first node according to claim 1 , wherein
the first transmitter, transmitting the first message on the first channel; and
the first receiver, receiving a first signaling, the first signaling being used to confirm the first message; as a response to receiving the first signaling, cancelling the incomplete beam failure recovery procedure;
wherein the incomplete beam failure recovery procedure exists.
14 . The first node according to claim 2 , wherein
the first transmitter, transmitting the first message on the first channel; and
the first receiver, receiving a first signaling, the first signaling being used to confirm the first message; as a response to receiving the first signaling, cancelling the incomplete beam failure recovery procedure;
wherein the incomplete beam failure recovery procedure exists.
15 . The first node according to claim 3 , wherein
the first transmitter, transmitting the first message on the first channel; and
the first receiver, receiving a first signaling, the first signaling being used to confirm the first message; as a response to receiving the first signaling, cancelling the incomplete beam failure recovery procedure;
wherein the incomplete beam failure recovery procedure exists.
16 . The first node according to claim 1 , wherein
the first transmitter, transmitting the first message on the first channel; and
the first receiver, after the first message is transmitted, failing to monitor a PDCCH (Physical Downlink Control Channel) channel scrambled with a first RNTI (Radio Network Temporary Identifier) on a first search space set within a second time window; applying the first reference signal resource;
wherein the beam selection management is applied to a first search space set; the first search space set comprises at least one search space.
17 . The first node according to claim 2 , wherein
the first transmitter, transmitting the first message on the first channel; and
the first receiver, after the first message is transmitted, failing to monitor a PDCCH channel scrambled with a first RNTI on a first search space set within a second time window; applying the first reference signal resource;
wherein the beam selection management is applied to a first search space set; the first search space set comprises at least one search space.
18 . The first node according to claim 3 , wherein
the first transmitter, transmitting the first message on the first channel; and
the first receiver, after the first message is transmitted, failing to monitor a PDCCH channel scrambled with a first RNTI on a first search space set within a second time window; applying the first reference signal resource;
wherein the beam selection management is applied to a first search space set; the first search space set comprises at least one search space.
19 . The first node according to claim 13 , wherein
the first transmitter, transmitting the first message on the first channel; and
the first receiver, after the first message is transmitted, failing to monitor a PDCCH channel scrambled with a first RNTI on a first search space set within a second time window; applying the first reference signal resource;
wherein the beam selection management is applied to a first search space set; the first search space set comprises at least one search space.
20 . A method in a first node for wireless communications, comprising:
for beam selection management, determining a first reference signal resource;
determining whether a first message is transmitted on a first channel according to at least whether there exists an incomplete beam failure recovery procedure, the first message indicating the first reference signal resource;
wherein a transmission of the first message is for the beam selection management.