Method and apparatuses, user equipment, base station, and storage medium for receiving and sending signal

1 . A method for receiving a signal, performed by a user equipment (UE), and comprising:

receiving an indication message sent by a base station, wherein the indication message comprises a paging early indication (PEI), and the PEI indicates an availability state of a reference signal of the UE; and

synchronizing the UE using the reference signal according to the availability state of the reference signal;

wherein receiving the indication message sent by the base station comprises:

receiving the indication message sent by the base station via a sequence, wherein the sequence is used to indicate the availability state of the reference signal of the UE;

the sequence is comprised in a sequence set, the sequence set comprises a first part of sequences and a second part of sequences, and the first part of sequences and the second part of sequences each comprise N groups of sequences, wherein N is a positive integer, and a group of sequences in the N groups of sequences separately corresponds to one group of UEs; and

the N groups of sequences in the first part of sequences separately indicate that reference signals of corresponding UE groups are in an available state, and the N groups of sequences in the second part of sequences separately indicate that reference signals of corresponding UE groups are in an unavailable state.

2 . The method according to claim 1 , wherein after receiving the indication message sent by the base station via the sequence, the method further comprises:

determining whether the sequence is a sequence corresponding to the UE;

determining a part of the sequence set to which the sequence belongs in response to determining that the sequence is the sequence corresponding to the UE;

determining that the reference signal of the UE is in the available state in response to determining that the sequence belongs to the first part of sequences of the sequence set; and alternatively,

determining that the reference signal of the UE is in the unavailable state in response to determining that the sequence belongs to the second part of sequences of the sequence set.

3 . The method according to claim 1 , wherein the first part of sequences comprises sequences of a first half of the sequence set, and the second part of sequences comprises sequences of a second half of the sequence set.

4 . The method according to claim 1 , wherein the grouping of UEs is determined by:

obtaining N groups of UEs by grouping the UEs corresponding to a physical downlink control channels (PDCCH).

5 . The method according to claim 1 , wherein receiving the indication message sent by the base station comprises:

receiving the indication message sent by the base station via downlink control information (DCI) signaling, wherein the PEI in the indication message comprises an indication identifier, and the indication identifier is used to indicate the availability state of the reference signal of the UE.

6 . The method according to claim 5 , wherein the PEI further comprises a UE identifier; and

the indication identifier in the PEI is used to indicate the availability state of the reference signal of the UE indicated by the UE identifier in the PEI.

7 . The method according to claim 6 , wherein after receiving the indication message sent by the base station via the DCI signaling, the method further comprises:

judging whether the UE identifier in the PEI is an identifier of the UE; and

determining the availability state of the reference signal of the UE according to the indication identifier in response to determining that the UE identifier is the identifier of the UE.

8 . The method according to claim 1 , wherein the reference signal comprises at least one of:

a tracking reference signal (TRS);

a channel state information-reference signal (CSI-RS); or

a secondary synchronization signal (SSS).

9 . A non-transitory computer-readable storage medium storing computer-executable instructions, wherein the computer-executable instructions, when executed by a processor, cause the processor to perform the method according to claim 1 .

10 . A method for sending a signal, performed by a base station, and comprising:

sending an indication message to a user equipment (UE), wherein the indication message comprises a PEI, and the PEI is used to indicate an availability state of a reference signal of the UE;

wherein sending the indication message to the UE comprises:

sending the indication message to the UE via a sequence;

wherein the sequence is comprised in a sequence set, the sequence set comprises a first part of sequences and a second part of sequences, the first part of sequences and the second part of sequences each comprise N groups of sequences, wherein N is a positive integer, and a group of sequences in the N groups of sequences separately corresponds to one group of UEs; and

the N groups of sequences in the first part of sequences separately indicate that reference signals of corresponding UE groups are in the available state, and the N groups of sequences in the second part of sequences separately indicate that reference signals of corresponding UE groups are in an unavailable state.

11 . The method according to claim 10 , wherein sending the indication message to the UE via the sequence comprises:

determining a sequence corresponding to the UE in the first part of sequences, and a sequence corresponding to the UE in the second part of sequences;

sending the indication message by using the sequence corresponding to the UE in the first part of sequences in a case where the base station needs to indicate that the reference signal of the UE is in the available state; and alternatively,

sending the indication message by using the sequence corresponding to the UE in the second part of sequences in a case where the base station needs to indicate that the reference signal of the UE is in the unavailable state.

12 . The method according to claim 10 , wherein the first part of sequences comprises sequences of a first half of the sequence set, and the second part of sequences comprises sequences of a second half of the sequence set.

13 . The method according to claim 10 , wherein sending the indication message to the UE comprises:

sending the indication message to the UE via downlink control information (DCI) signaling, wherein the PEI in the indication message comprises an indication identifier, and the indication identifier is used to indicate the availability state of the reference signal of the UE.

14 . A base station, comprising:

a transceiver;

a memory; and

a processor that is connected to the transceiver and the memory separately;

wherein the processor is configured to control radio signal transceiving by the transceiver by executing a computer-executable instruction in the memory, and implements the method according to claim 10 .

15 . A non-transitory computer-readable storage medium storing computer-executable instructions, wherein the computer-executable instructions, when executed by a processor, cause the processor to perform the method according to claim 10 .

16 . A user equipment (UE), comprising:

a transceiver;

a memory; and

a processor that is connected to the transceiver and the memory separately;

wherein the processor is used to control radio signal transceiving by the transceiver by executing a computer-executable instruction in the memory, and implements:

receiving an indication message sent by a base station, wherein the indication message comprises a paging early indication (PEI), and the PEI is used to indicate an availability state of a reference signal of the UE; and

synchronizing the UE using the reference signal according to the availability state of the reference signal;

wherein the processor further implements:

receiving the indication message sent by the base station via a sequence, wherein the sequence is used to indicate the availability state of the reference signal of the UE;

the sequence is comprised in a sequence set, the sequence set comprises a first part of sequences and a second part of sequences, and the first part of sequences and the second part of sequences each comprise N groups of sequences, wherein N is a positive integer, and a group of sequences in the N groups of sequences separately corresponds to one group of UEs; and

the N groups of sequences in the first part of sequences separately indicate that reference signals of corresponding UE groups are in an available state, and the N groups of sequences in the second part of sequences separately indicate that reference signals of corresponding UE groups are in an unavailable state.