# US 12,192,896 B2 · Power-saving information transmission method, base station and terminal

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- Number: US 12,192,896 B2
- Document ID: US12192896B2
- Status: Granted
- Kind: B2
- Application number: 17/764,542
- Filed: 2020-06-28
- Published: 2022-11-03
- Granted: 2025-01-07
- Earliest claimed: 2019-09-30
- Assignees: Datang Mobile Communications Equipment Co., Ltd.
- Applicants: Datang Mobile Communications Equipment Co., Ltd.
- Inventors: Shaohui Sun; Meiying Yang; Jiaqing Wang
- Web page: https://patentgrep.com/patent/US12192896B2

## CPC

- H04W 52/0212: {managed by the network, e.g. network or access point is leader and terminal is follower}
- H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals}
- H04W 52/0235: {where the received signal is a power saving command}
- H04L 27/26025: {Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking (allocating sub-channels of the transmission path H04L5/003)}
- H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame}
- 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)
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- 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

Embodiments of the present application provide a power-saving information transmission method, a base station, and a terminal. The method includes configuring, by a base station, first power-saving information of a first moment of a first carrier, the first power-saving information being used for indicating transmission of first information of the first carrier and/or a second carrier; and transmitting, by the base station, the first power-saving information. Embodiments of the present application can solve the problem that how to configure the power-saving information of multiple carriers in case that the base station is provided with multiple carriers and a terminal achieves a power-saving effect, and avoid or mitigate the problem that in case that different energy saving information are configured for different carriers, the terminal cannot save energy as long as the configuration for one carrier is not configured for energy saving, to reduce the power consumption of the terminal.

## Claims

### Claim 1

A method for transmitting power-saving information, comprising:
configuring, by a base station, first power-saving information of a first carrier at a first time, the first power-saving information being used for indicating transmission of first information on the first carrier and/or a second carrier;
transmitting, by the base station, the first power-saving information;
configuring, by the base station, second power-saving information of the first carrier and/or the second carrier at a second time, the second power-saving information being used for indicating transmission of second information on the first carrier and/or the second carrier, the second time being not earlier than the first time; and
transmitting, by the base station, the second power-saving information,
wherein the first power-saving information and the second power-saving information comprise a cross-slot scheduling parameter and/or a minimum value of the cross-slot scheduling parameter, and the first information and the second information comprise data information or signal information, and/or downlink control information (DCI).

### Claim 2 (depends on 1)

The method of claim 1, further comprising: in case that the second information is not transmitted,
configuring, by the base station, to perform information transmission based on indication of the first power-saving information at the first time; or
configuring to perform information transmission at the second time based on indication of default power-saving information; or
configuring to perform information transmission at the second time based on R15; or
configuring to perform unlimited transmission.

### Claim 3 (depends on 1)

The method of claim 1, further comprising:
configuring, by the base station, to indicate transmission at the second time, in case that the second power-saving information is not transmitted,
wherein the configuring to indicate the transmission at the second time comprises:
configuring to perform transmission of second information at the second time based on indication of the first power-saving information at the first time; or
configuring to perform the transmission of the second information at the second time based on indication of default power-saving information; or
configuring to perform the transmission of the second information at the second time based on R15; or
configuring to perform unlimited transmission of the second information.

### Claim 4 (depends on 1)

The method of claim 1, wherein the first carrier is a primary carrier, and the second carrier comprises at least one secondary carrier;
in case that the first carrier and/or the second carrier are configured with different subcarrier spacing (SCS) or physical property numerology, the first power-saving information and/or second power-saving information are configured based on the first SCS or numerology, wherein the first SCS or numerology comprises:
any one of the different SCS supported by the base station; or
SCS corresponding to the first carrier and/or the second carrier; or
SCS corresponding to BWP activated by the first carrier and/or the second carrier; or
any SCS in a plurality of BWPs of the first carrier and/or the second carrier; or
largest or smallest SCS among the plurality of BWPs of the first carrier and/or the second carrier; or
SCS corresponding to an index of a largest or smallest BWP among the plurality of BWPs of the first carrier and/or the second carrier; or
SCS in which the first information on the first carrier is located; or
SCS in which the second information on the second carrier is located; or
SCS in which the first power-saving information of the first carrier is located; or
SCS in which the second power-saving information of the second carrier is located.

### Claim 5 (depends on 1)

The method of claim 1, wherein the first carrier is a scheduling carrier, and the second carrier comprises a scheduling carrier and/or at least one scheduled carrier;
in case that the first carrier and/or the second carrier are configured with different subcarrier spacing (SCS) or physical property numerology, the first power-saving information and/or second power-saving information are configured based on the first SCS or numerology, wherein the first SCS or numerology comprises:
any SCS configured by the base station in the scheduling carrier; or
smallest or largest SCS in the scheduling carrier; or
SCS corresponding to an index of a smallest or largest carrier among the scheduling carriers; or
SCS in which the first information on the first carrier is located; or
SCS in which the second information on the second carrier is located; or
SCS in which the first power-saving information of the first carrier is located; or
SCS in which the second power-saving information of the second carrier is located.

### Claim 6 (depends on 1)

The method of claim 1, wherein the first carrier and/or the second carrier comprises at least one carrier group; and the configuring, by the base station, the first power-saving information of the first carrier at the first time comprises:
configuring, by the base station, at least one power-saving information within the carrier group;
wherein in case that the number of power-saving information within the carrier group is greater than 1, a plurality of power-saving information are the same, or power-saving information types indicated by the plurality of power-saving information are the same;
in case that the first carrier and/or the second carrier are configured with different subcarrier spacing (SCS) or physical property numerology, the first power-saving information and/or second power-saving information are configured based on the first SCS or numerology, wherein the first SCS or numerology comprises:
any SCS configured by the base station in the carrier group; or
smallest or largest SCS in the carrier group; or
SCS corresponding to an index of a smallest or largest carrier among the scheduling carriers; or
SCS in which the first information on the first carrier is located; or
SCS in which the second information on the second carrier is located; or
SCS in which the first power-saving information of the first carrier is located; or
SCS in which the second power-saving information of the second carrier is located.

### Claim 7 (depends on 1)

An electronic device comprising:
a processor; and
a memory storing computer programs, that in case of being executed by the processor, cause the processor to implement steps of the method for transmitting power-saving information of claim 1.

### Claim 8

A method for transmitting power-saving information, comprising:
receiving, by a terminal, configured first power-saving information of a first carrier at a first time;
transmitting first information on the first carrier and/or a second carrier at the first time based on indication of the first power-saving information;
receiving configured second power-saving information of the first carrier and/or the second carrier at a second time; and
transmitting second information on the first carrier and/or the second carrier at the second time based on indication of the second power-saving information,
wherein the first power-saving information and the second power-saving information comprise a cross-slot scheduling parameter and/or a minimum value of the cross-slot scheduling parameter, and the first information and the second information comprise data information or signal information, and/or downlink control information (DCI).

### Claim 9 (depends on 8)

The method of claim 8, further comprising: in case that the second information is not received,
transmitting information based on indication of the first power-saving information at the first time; or
transmitting information at the second time based on indication of default power-saving information; or
transmitting information at the second time based on R15; or
performing unlimited transmission at the second time.

### Claim 10 (depends on 8)

The method of claim 8, further comprising: in case that the second power-saving information is not received,
transmitting second information at the second time based on the indication of the first power-saving information at the first time; or
transmitting the second information at the second time based on indication of default power-saving information; or
transmitting the second information at the second time based on R15; or
performing unlimited transmission of the second information at the second time.

### Claim 11 (depends on 8)

The method of claim 8, wherein the first carrier is a primary carrier, and the second carrier comprises at least one secondary carrier.

### Claim 12 (depends on 8)

The method of claim 8, wherein the first carrier is a scheduling carrier, and the second carrier comprises a scheduling carrier and/or at least one scheduled carrier.

### Claim 13 (depends on 8)

The method of claim 8, wherein the first carrier and/or the second carrier include at least one carrier group; and the receiving, by the terminal, the first power-saving information of the first carrier at the first time comprises:
receiving, by the terminal, at least one power-saving information within the carrier group;
wherein in case that the number of the plurality of power-saving information within the carrier group is greater than 1, a plurality of power-saving information are the same, or power-saving information types indicated by the plurality of power-saving information are the same.

### Claim 14 (depends on 8)

The method of claim 8, wherein the second power-saving information has a size no less than that of the first power-saving information.

### Claim 15 (depends on 11)

The method of claim 11, wherein in case that the first carrier and/or the second carrier are configured with different subcarrier spacing (SCS) or physical property numerology, the first power-saving information and/or second power-saving information configured based on the first SCS or numerology is received, wherein the first SCS or numerology comprises:
any one of the different SCS supported by a base station; or
SCS corresponding to the first carrier and/or the second carrier; or
SCS corresponding to the BWP activated by the first carrier and/or the second carrier; or
any SCS in a plurality of BWPs of the first carrier and/or the second carrier; or
largest or smallest SCS among the plurality of BWPs of the first carrier and/or the second carrier; or
SCS corresponding to an index of a largest or smallest BWP among the plurality of BWPs of the first carrier and/or the second carrier; or
SCS in which the first information on the first carrier is located; or
SCS in which the second information on the second carrier is located; or
SCS in which the first power-saving information of the first carrier is located; or
SCS in which the second power-saving information of the second carrier is located.

### Claim 16 (depends on 12)

The method of claim 12, wherein in case that the first carrier and/or the second carrier are configured with different subcarrier spacing (SCS) or physical property numerology, the first power-saving information and/or second power-saving information configured based on the first SCS or numerology is received, wherein the first SCS or numerology comprises:
any SCS configured by a base station in the scheduling carrier; or
smallest or largest SCS in the scheduling carrier; or
SCS corresponding to an index of the smallest or largest carrier among the scheduling carriers; or
SCS in which the first information on the first carrier is located; or
SCS in which the second information on the second carrier is located; or
SCS in which the first power-saving information of the first carrier is located; or
SCS in which the second power-saving information of the second carrier is located.

### Claim 17 (depends on 13)

The method of claim 13, further comprises that in case that the first carrier and/or the second carrier are configured with different subcarrier spacing (SCS) or physical property numerology, the first power-saving information and/or second power-saving information are configured based on the first SCS or numerology, wherein the first SCS or numerology comprises:
any SCS configured by a base station in the carrier group; or,
smallest or largest SCS in the carrier group; or
SCS corresponding to an index of a smallest or largest carrier among scheduling carriers; or
SCS in which the first information on the first carrier is located; or
SCS in which the second information on the second carrier is located; or
SCS in which the first power-saving information of the first carrier is located; or
SCS in which the second power-saving information of the second carrier is located.

### Claim 18

An electronic device comprising:
a processor; and
a memory storing computer programs, that in case of being executed by the processor, cause the processor to implement the steps of:
receiving configured first power-saving information of a first carrier at a first time;
transmitting first information on the first carrier and/or a second carrier at the first time based on indication of the first power-saving information;
receiving configured second power-saving information of the first carrier and/or the second carrier at a second time; and
transmitting second information on the first carrier and/or the second carrier at the second time based on indication of the second power-saving information,
wherein the first power-saving information and the second power-saving information comprise a cross-slot scheduling parameter and/or a minimum value of the cross-slot scheduling parameter, and the first information and the second information comprise data information or signal information, and/or downlink control information (DCI).