IP Library › Granted Patent US 12,641,543
Granted Patent B2
US 12,641,543 · App. 18/232,823 · Granted May 26, 2026

Power saving method and apparatus, device, and readable storage medium

Inventors: Li Chen (Dongguan, CN); Xiaodong Shen (Dongguan, CN); Xueming Pan (Dongguan, CN)
Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
H04W52/0251
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Quick Facts
Patent No.
US 12,641,543
App. No.
18/232,823
Granted
May 26, 2026
Kind
B2
Abstract

This application discloses a power saving method and apparatus, a device, and a readable storage medium. The method includes: performing a first behavior when a terminal is in a first state, where the first behavior is different from a behavior of the terminal in a connected state, an idle state, or an inactive state; and the first state includes one of the following: a sleep state, a zero power state, a near-zero power state, a low power state, or an ultra-low power state.

Claims (115)

1 . A power saving method, performed by a terminal, comprising:

performing a first behavior when the terminal is in a first state, wherein

the first behavior is different from a behavior of the terminal in a connected state, an idle state, or an inactive state;

a receiver or a receiving module corresponding to the first state receives an activation signal at a preset resource location, wherein the receiver or the receiving module corresponding to the first state is different from a receiver or a receiving module corresponding to the connected state, the idle state, or the inactive state; and

the first state comprises one of the following: a zero power state or a near-zero power state.

2 . The power saving method according to claim 1 , wherein the first behavior comprises one or more of the following:

disabling a radio frequency module;

disabling a baseband module;

disabling a function module corresponding to a modem;

not performing synchronization;

not receiving a reference signal;

not monitoring a physical downlink control channel;

not receiving a paging message;

not receiving a short message;

not receiving system information;

not performing radio resource management measurement;

not receiving a system information update indication;

not receiving a public warning system message;

not selecting a public land mobile network;

not performing cell selection or reselection; or not performing core network registration or camping or attaching.

3 . The power saving method according to claim 1 , wherein a behavior that is not performed by the terminal in the first behavior is implemented through one or more of the following:

a corresponding requirement is not defined;

the terminal does not meet a requirement corresponding to an idle state, an inactive state, or a connected state in the first state;

a protocol stipulation; or

the terminal implements self-determination.

4 . The power saving method according to claim 1 , further comprising:

performing a second behavior when the terminal determines entering the first state or a network side configures entering the first state,

wherein the second behavior comprises one or more of the following:

a radio resource control connection release procedure;

a detach procedure;

stopping, restarting, suspending, or continuing a first timer or a first counter, wherein the first timer is a timer corresponding to the idle state, the inactive state, or the connected state, and the first counter is a counter corresponding to the idle state, the inactive state, or the connected state;

releasing some or all configurations of a second state, wherein the second state is an idle state, an inactive state, or a connected state before the first state; or

a procedure of entering the first state from the idle state, the inactive state, or the connected state.

5 . The power saving method according to claim 1 , wherein the first behavior further comprises one or more of the following:

enabling the receiver or the receiving module corresponding to the first state;

receiving the activation signal at the preset resource location;

monitoring a first signal, wherein the first signal is used to indicate area information, and an area comprises one or more of the following: a cell, a radio access network notification area, a tracking area, or an area for the first state;

updating an area;

receiving a system information change indication, wherein the system information change indication is used to receive a notification by using the activation signal in the first state; or

enabling a second timer, and when the second timer expires, entering an idle state, an inactive state, or a connected state before the first state, or entering the idle state, the inactive state, or the connected state; or when the second timer expires, determining whether an area is updated or directly updating an area.

6 . The power saving method according to claim 5 , wherein the receiver or the receiving module corresponding to the first state has one or more of the following features:

specific radio frequency signal detection or modulation/demodulation signal processing is not performed;

passive matching filtering processing or first signal processing is performed, wherein power consumption of processing the first signal is less than signal processing power consumption in a third state, and the third state is an idle state, an inactive state, or a connected state before the first state; or

when the terminal is in an idle state, an inactive state, or a connected state, the receiver or the receiving module corresponding to the first state is disabled or started.

7 . The power saving method according to claim 5 , wherein the activation signal received at the preset resource location is different from an activation signal received by the terminal in a connected state, an idle state, or an inactive state; and the preset resource location is specified in a protocol or configured by a network side.

8 . The power saving method according to claim 5 , wherein the activation signal comprises an on-off keying signal.

9 . The power saving method according to claim 5 , wherein the first signal comprises a sequence specified in a protocol or configured by a network side, and the sequence is used to indicate information about an area in which the terminal is located.

10 . The power saving method according to claim 9 , wherein a correspondence between the sequence and the area information is specified in the protocol or configured by the network side.

11 . The power saving method according to claim 5 , wherein the updating an area comprises:

when the terminal determines that an area in which the terminal is located changes, entering the idle state, the inactive state, or the connected state before the first state, and then updating the area;

or

when the terminal determines that an area in which the terminal is located changes, entering the idle state, the inactive state, or the connected state, and then updating the area;

or

updating an area in the first state.

12 . The power saving method according to claim 5 , further comprising:

performing a third behavior when the activation signal is received,

wherein the third behavior comprises one or more of the following:

triggering the terminal to execute a preset hardware procedure;

entering the idle state, the inactive state, or the connected state before the first state; or

entering the idle state, the inactive state, or the connected state.

13 . The power saving method according to claim 1 , further comprising:

performing a fourth behavior when the terminal exits the first state through determining or a network configuration,

wherein the fourth behavior comprises one or more of the following:

triggering the terminal to execute a preset hardware procedure;

entering an idle state, an inactive state, or a connected state before the first state; or

entering the idle state, the inactive state, or the connected state.

14 . A terminal, comprising:

a memory storing a computer program; and

a processor coupled to the memory and configured to execute the computer program to perform a first behavior when the terminal is in a first state, wherein

the first behavior is different from a behavior of the terminal in a connected state, an idle state, or an inactive state;

a receiver or a receiving module corresponding to the first state receives an activation signal at a preset resource location, wherein the receiver or the receiving module corresponding to the first state is different from a receiver or a receiving module corresponding to the connected state, the idle state, or the inactive state; and

the first state comprises one of the following: a zero power state or a near-zero power state.

15 . The terminal according to claim 14 , wherein the first behavior comprises one or more of the following:

disabling a radio frequency module;

disabling a baseband module;

disabling a function module corresponding to a modem;

not performing synchronization;

not receiving a reference signal;

not monitoring a physical downlink control channel;

not receiving a paging message;

not receiving a short message;

not receiving system information;

not performing radio resource management measurement;

not receiving a system information update indication;

not receiving a public warning system message;

not selecting a public land mobile network;

not performing cell selection or reselection; or

not performing core network registration or camping or attaching.

16 . The terminal according to claim 14 , wherein a behavior that is not performed by the terminal in the first behavior is implemented through one or more of the following:

a corresponding requirement is not defined;

the terminal does not meet a requirement corresponding to an idle state, an inactive state, or a connected state in the first state;

a protocol stipulation; or

the terminal implements self-determination.

17 . The terminal according to claim 14 , wherein the processor is configured to execute the computer program to further perform a second behavior when the terminal determines entering the first state or a network side configures entering the first state,

wherein the second behavior comprises one or more of the following:

a radio resource control connection release procedure;

a detach procedure;

stopping, restarting, suspending, or continuing a first timer or a first counter, wherein the first timer is a timer corresponding to the idle state, the inactive state, or the connected state, and the first counter is a counter corresponding to the idle state, the inactive state, or the connected state;

releasing some or all configurations of a second state, wherein the second state is an idle state, an inactive state, or a connected state before the first state; or

a procedure of entering the first state from the idle state, the inactive state, or the connected state.

18 . The terminal according to claim 14 , wherein the first behavior further comprises one or more of the following:

enabling the receiver or the receiving module corresponding to the first state;

receiving the activation signal at the preset resource location;

monitoring a first signal, wherein the first signal is used to indicate area information, and an area comprises one or more of the following: a cell, a radio access network notification area, a tracking area, or an area for the first state;

updating an area;

receiving a system information change indication, wherein the system information change indication is used to receive a notification by using the activation signal in the first state; or

enabling a second timer, and when the second timer expires, entering an idle state, an inactive state, or a connected state before the first state, or entering the idle state, the inactive state, or the connected state; or when the second timer expires, determining whether an area is updated or directly updating an area.

19 . The terminal according to claim 18 , wherein the receiver or the receiving module corresponding to the first state has one or more of the following features:

specific radio frequency signal detection or modulation/demodulation signal processing is not performed;

passive matching filtering processing or first signal processing is performed, wherein power consumption of processing the first signal is less than signal processing power consumption in a third state, and the third state is an idle state, an inactive state, or a connected state before the first state; or

when the terminal is in an idle state, an inactive state, or a connected state, the receiver or the receiving module corresponding to the first state is disabled or started.

20 . A non-transitory computer-readable storage medium, storing a computer program, when the computer program is executed by a processor of a terminal, causes the processor to perform a first behavior when the terminal is in a first state, wherein

the first behavior is different from a behavior of the terminal in a connected state, an idle state, or an inactive state;

a receiver or a receiving module corresponding to the first state receives an activation signal at a preset resource location, wherein the receiver or the receiving module corresponding to the first state is different from a receiver or a receiving module corresponding to the connected state, the idle state, or the inactive state; and

the first state comprises one of the following: a zero power state or a near-zero power state.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 13, 2023
From: CHEN, LI; SHEN, XIAODONG; PAN, XUEMING
To: VIVO MOBILE COMMUNICATION CO., LTD.
Reel/Frame 064573/0747 →
Priority Claims (1)
CN 202110199051.1 · Feb 22, 2021 · national
Continuity (2)
Continuation PCTCN2022076684 · Feb 17, 2022
Related Publication 20230388930A1 · Nov 30, 2023
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