# US 12,010,621 B2 · Method and device for transmitting a wake up signal, and storage medium

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 12,010,621 B2
- Document ID: US12010621B2
- Status: Granted
- Kind: B2
- Application number: 17/633,879
- Filed: 2020-08-10
- Published: 2022-10-13
- Granted: 2024-06-11
- Earliest claimed: 2019-08-09
- Assignees: Zte Corporation
- Applicants: Zte Corporation
- Inventors: Weiwei Yang; Bo Dai; Kun Liu; Huiying Fang; Luanjian Bian; Youjun Hu
- Web page: https://patentgrep.com/patent/US12010621B2

## CPC

- H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame}
- H04W 52/0229: {where the received signal is a wanted signal}
- H04W 52/0212: {managed by the network, e.g. network or access point is leader and terminal is follower}
- H04W 52/0235: {where the received signal is a power saving command}
- H04W 52/0274: {by switching on or off the equipment or parts thereof}
- Y02D 30/70: in wireless communication networks
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE

## Abstract

Provided are a method and device for transmitting a wake up signal, and a storage medium. The method includes: a wake up signal sent by a second node is received by a first node at a first position; where the wake up signal includes at least one of a group wake up signal or a common wake up signal; the wake up signal is detected by the first node by using a sequence corresponding to the wake up signal; and a detection of a physical downlink control channel corresponding to the wake up signal is determined by the first node according to a detection result of the wake up signal.

## Claims

### Claim 1

A method for transmitting a wake up signal, comprising:
receiving, by a first node, a wake up signal sent by a second node at a first position; wherein the wake up signal comprises at least one of a group wake up signal or a common wake up signal;
detecting, by the first node, the wake up signal by using a sequence corresponding to the wake up signal; and
determining, by the first node, a detection of a physical downlink control channel corresponding to the wake up signal according to a detection result of the wake up signal;
wherein the wake up signal comprises the group wake up signal; and
wherein detecting, by the first node, the wake up signal by using the sequence corresponding to the wake up signal comprises:
determining, by the first node, a first parameter in the sequence corresponding to the group wake up signal according to:
(1) a group index corresponding to the first node; and
(2) at least one of (i) a number of group wake up signals corresponding to a same time interval, (ii) a number of group wake up signals corresponding to a same wake up signal resource, (iii) a number of group wake up signals corresponding to a same service type, or (iv) a service type corresponding to the first node.

### Claim 2 (depends on 1)

The method of claim 1, wherein the wake up signal comprises the common wake up signal;
wherein detecting, by the first node, the wake up signal by using the sequence corresponding to the wake up signal comprises:
determining, by the first node, a first parameter in the sequence corresponding to a first common wake up signal according to at least one of a group index corresponding to the first node, a service type corresponding to the first node, higher-layer signaling, or a preset first threshold.

### Claim 3 (depends on 2)

The method of claim 2, wherein determining, by the first node, the first parameter in the sequence corresponding to the first common wake up signal according to the at least one of the group index corresponding to the first node, the service type corresponding to the first node, the higher-layer signaling, or the preset first threshold comprises:
determining, by the first node, the first parameter in the sequence corresponding to the first common wake up signal according to the group index and the first threshold; or
determining, by the first node, the first parameter in the sequence corresponding to the first common wake up signal according to the service type corresponding to the first node.

### Claim 4 (depends on 2)

The method of claim 2, wherein the first parameter in the sequence is X in a sequence
W
g
⁡
(
m
)
=
W
⁡
(
m
)
⋆
e
j
⋆
2
⋆
π
⋆
n
⋆
f
⁡
(
X
)
G
of the wake up signal, wherein W(m) is a sequence corresponding to a legacy wake up signal, G is a positive integer greater than 0, X is the first parameter, and m and n are positive integers greater than or equal to 0.

### Claim 5 (depends on 2)

The method of claim 2, wherein the first parameter is an index of a sequence in a predefined set of sequences.

### Claim 6 (depends on 1)

The method of claim 1, wherein the wake up signal comprises the common wake up signal;
wherein detecting, by the first node, the wake up signal by using the sequence corresponding to the wake up signal comprises:
determining, by the first node, a first parameter in the sequence corresponding to a second common wake up signal according to at least one of higher-layer signaling or a legacy wake up signal.

### Claim 7 (depends on 6)

The method of claim 6, wherein the first parameter is an index of a sequence in a predefined set of sequences.

### Claim 8 (depends on 1)

The method of claim 1, wherein determining, by the first node, the first parameter in the sequence corresponding to the group wake up signal according to the group index corresponding to the first node and the at least one of the number of group wake up signals corresponding to the same time interval, the number of group wake up signals corresponding to the same wake up signal resource, the number of group wake up signals corresponding to the same service type, the service type corresponding to the first node, or the all service types comprises one of:
determining, by the first node, the first parameter in the sequence corresponding to the group wake up signal according to the group index corresponding to the first node and the group wake up number of signals corresponding to the same wake up signal resource;
determining, by the first node, the first parameter in the sequence corresponding to the group wake up signal according to the group index corresponding to the first node, the number of the group wake up signals corresponding to the same service type, and the all service types;
determining, by the first node, the first parameter in the sequence corresponding to the group wake up signal according to the group index corresponding to the first node, the service type corresponding to the first node, and the number of group wake up signals corresponding to the same service type; or
determining, by the first node, the first parameter in the sequence corresponding to the group wake up signal according to the group index corresponding to the first node and the number of group wake up signals corresponding to the same time interval.

### Claim 9 (depends on 1)

The method of claim 1, wherein before receiving, by the first node, the wake up signal sent by the second node at the first position, the method further comprises:
determining, by the first node, the first position according to at least one of a group index corresponding to the first node, a service type corresponding to the first node, an index of a paging occasion corresponding to the first node, or a preset second threshold.

### Claim 10 (depends on 9)

The method of claim 9, wherein determining, by the first node, the first position according to the at least one of the group index corresponding to the first node, the service type corresponding to the first node, the index of the paging occasion corresponding to the first node, or the preset second threshold comprises one of:
determining, by the first node, the first position according to the group index corresponding to the first node and the second threshold;
determining, by the first node, the first position according to the index of the paging occasion corresponding to the first node, the group index corresponding to the first node and the second threshold;
determining, by the first node, the first position according to the service type corresponding to the first node; or
determining, by the first node, the first position according to the service type corresponding to the first node and the index of the paging occasion corresponding to the first node.

### Claim 11 (depends on 1)

The method of claim 1, wherein the first parameter in the sequence is X in a sequence
W
g
⁡
(
m
)
=
W
⁡
(
m
)
⋆
e
j
⋆
2
⋆
π
⋆
n
⋆
f
⁡
(
X
)
G
of the wake up signal, wherein W(m) is a sequence corresponding to a legacy wake up signal, G is a positive integer greater than 0, X is the first parameter, and m and n are positive integers greater than or equal to 0.

### Claim 12 (depends on 1)

The method of claim 1, wherein the first parameter is an index of a sequence in a predefined set of sequences.

### Claim 13 (depends on 1)

A non-transitory computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the method for transmitting the wake up signal of claim 1.

### Claim 14

A method for transmitting a wake up signal, comprising:
determining, by a second node, a sequence corresponding to a wake up signal to be sent; and
sending, by the second node, the sequence corresponding to the wake up signal to a first node at a first position; wherein the wake up signal comprises at least one of a group wake up signal or a common wake up signal;
wherein the wake up signal comprises the group wake up signal; and
wherein determining, by the second node, the sequence corresponding to the wake up signal to be sent comprises:
determining, by the second node, a first parameter in the sequence corresponding to the group wake up signal according to:
(1) a group index corresponding to the wake up signal to be sent; and
(2) at least one of (i) a number of group wake up signals corresponding to a same time interval, (ii) a number of group wake up signals corresponding to a same wake up signal resource, (iii) a number of group wake up signals corresponding to a same service type, or (iv) a service type corresponding to the first node.

### Claim 15 (depends on 14)

The method of claim 14, wherein the wake up signal comprises the common wake up signal;
wherein determining, by the second node, the sequence corresponding to the wake up signal to be sent comprises:
determining, by the second node, a first parameter in the sequence corresponding to a first common wake up signal according to at least one of a number of first common wake up signals to be sent, a service type corresponding to a first common wake up signal to be sent, higher-layer signaling, or a preset first threshold; or
determining, by the second node, a first parameter in the sequence corresponding to a second common wake up signal according to at least one of higher-layer signaling or a legacy wake up signal.

### Claim 16 (depends on 14)

The method of claim 14, wherein sending, by the second node, the sequence corresponding to the wake up signal to the first node at the first position comprises:
determining, by the second node, the first position according to at least one of a group index corresponding to the wake up signal to be sent, a service type corresponding to the wake up signal to be sent, an index of a paging occasion corresponding to the wake up signal to be sent, or a preset second threshold.

### Claim 17 (depends on 14)

The method of claim 14, wherein the first parameter in the sequence is X in a sequence
W
g
⁡
(
m
)
=
W
⁡
(
m
)
⋆
e
j
⋆
2
⋆
π
⋆
n
⋆
f
⁡
(
X
)
G
of the wake up signal, wherein W(m) is a sequence corresponding to a legacy wake up signal, G is a positive integer greater than 0, X is the first parameter, and m and n are positive integers greater than or equal to 0.

### Claim 18

A device for transmitting a wake up signal, comprising a processor, wherein the processor is configured to, when executing a computer program, implement the following:
receiving, by a first node, a group wake up signal sent by a second node at a first position; wherein the wake up signal comprises at least one of a group wake up signal or a common wake up signal;
detecting, by the first node, the wake up signal by using a sequence corresponding to the wake up signal; and
determining, by the first node, a detection of a physical downlink control channel corresponding to the wake up signal according to a detection result of the wake up signal;
wherein the wake up signal comprises the group wake up signal; and
wherein detecting, by the first node, the wake up signal by using the sequence corresponding to the wake up signal comprises:
determining, by the first node, a first parameter in the sequence corresponding to the group wake up signal according to:
(1) a group index corresponding to the first node; and
(2) at least one of (i) a number of group wake up signals corresponding to a same time interval, (ii) a number of group wake up signals corresponding to a same wake up signal resource, (iii) a number of group wake up signals corresponding to a same service type, or (iv) a service type corresponding to the first node.