# US 12,192,897 B2 · Power saving indication method, network side device and user equipment

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- Number: US 12,192,897 B2
- Document ID: US12192897B2
- Status: Granted
- Kind: B2
- Application number: 17/599,684
- Filed: 2020-03-25
- Published: 2022-06-23
- Granted: 2025-01-07
- Earliest claimed: 2019-03-29
- Assignees: Datang Mobile Communications Equipment Co., Ltd.
- Applicants: Datang Mobile Communications Equipment Co., Ltd.
- Inventors: Meiying Yang; Jiaqing Wang; Zheng Zhao; Chen Luo; Lei Wang; Fangchen Cheng
- Web page: https://patentgrep.com/patent/US12192897B2

## 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 52/0235: {where the received signal is a power saving command}
- H04W 72/1263: Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal
- 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

The present disclosure provides a power saving indication method, a network side device and a user equipment, the power saving indication method includes configuring DCI, the DCI carries power saving information of at least one user equipment the power saving information is used to indicate at least one power saving scheme or a mapping relation between at least two power saving schemes.

## Claims

### Claim 1

A power saving indication method, comprising:
configuring downlink control information (DCI),
wherein the DCI carries power saving information of at least one user equipment (UE), the power saving information is used to indicate at least one power saving scheme,
wherein the power saving scheme includes at least one of the following:
a fifth power saving scheme of configuring to sleep a secondary serving cell;
a thirteenth power saving scheme of configuring channel state information, CSI; or
a sixteenth power saving scheme of configuring spatial-domain adaptive power adjustment;
wherein when the power saving scheme includes the fifth power saving scheme of configuring the dormant secondary serving cells, the power saving information includes at least one of a quantity of dormant secondary serving cells or an index of the dormant secondary serving cells;
when the power saving scheme includes the thirteenth power saving scheme of configuring channel state information (CSI) the power saving information includes at least one of a quantity of CSI request power saving information and an index of the CSI request power saving information, wherein the CSI request power saving information includes at least one of a CSI parameter set, a CSI resource set, or a mapping relation between the CSI parameter set and the CSI resource set;
when the power saving scheme includes the sixteenth power saving scheme of configuring spatial-domain adaptive power adjustment, the power saving information includes at least one of a quantity of antennas, a quantity of spatial layers, a quantity of codebooks, or binding relationships between the antennas.

### Claim 2 (depends on 1)

The power saving indication method according to claim 1, wherein the power saving scheme further includes at least one of the following:
a first power saving scheme of configuring to wake up and monitor physical layer downlink control channel (PDCCH);
a second power saving scheme of configuring to sleep and not monitor PDCCH; or an eighth power saving scheme of configuring discontinuous reception.

### Claim 3 (depends on 2)

The power saving indication method according to claim 2, wherein when the power saving scheme includes the first power saving scheme of configuring to wake up and monitor PDCCH, the power saving information includes information indicating to wake up and monitor PDCCH in a preset time period.

### Claim 4 (depends on 2)

The power saving indication method according to claim 2, wherein when the power saving scheme includes the second power saving scheme of configuring to sleep and not monitor PDCCH, the power saving information includes information indicating to sleep and not monitor PDCCH in a preset period of time.

### Claim 5 (depends on 2)

The power saving indication method according to claim 2, wherein
when the power saving scheme includes the eighth power saving scheme of configuring discontinuous reception, the power saving information includes at least one discontinuous reception configuration parameter or indication information indicating a mapping relation between at least two discontinuous reception configuration parameters.

### Claim 6

A power saving indication method, comprising:
receiving DCI sent by a network side,
wherein the DCI carries power saving information of at least one UE, the power saving information is used to indicate at least one power saving scheme,
wherein the power saving scheme includes at least one of the following:
a fifth power saving scheme of configuring to sleep a secondary serving cell;
a thirteenth power saving scheme of configuring channel state information, CSI; or
a sixteenth power saving scheme of configuring spatial-domain adaptive power adjustment;
wherein when the power saving scheme includes the fifth power saving scheme of configuring the dormant secondary serving cells, the power saving information includes at least one of a quantity of dormant secondary serving cells or an index of the dormant secondary serving cells;
when the power saving scheme includes the thirteenth power saving scheme of configuring channel state information (CSI) the power saving information includes at least one of a quantity of CSI request power saving information and an index of the CSI request power saving information, wherein the CSI request power saving information includes at least one of a CSI parameter set, a CSI resource set, or a mapping relation between the CSI parameter set and the CSI resource set;
when the power saving scheme includes the sixteenth power saving scheme of configuring spatial-domain adaptive power adjustment, the power saving information includes at least one of a quantity of antennas, a quantity of spatial layers, a quantity of codebooks, or binding relationships between the antennas.

### Claim 7 (depends on 6)

The power saving indication method according to claim 6, comprising:
performing a power saving operation in accordance with the power saving information carried in the DCI.

### Claim 8 (depends on 7)

The power saving indication method according to claim 7, wherein performing a power saving operation in accordance with the power saving information carried in the DCI comprises:
descrambling the DCI with a predetermined radio network temporary identity (RNTI); and
performing the power saving operation in accordance with information obtained after descrambling.

### Claim 9 (depends on 8)

The power saving indication method according to claim 8, wherein the DCI includes DCI in one format or DCIs in at least two formats, power saving information carried in DCIs in different formats in the DCIs in at least two formats are different.

### Claim 10 (depends on 9)

The power saving indication method according to claim 9, wherein when the DCI includes DCIs in at least two formats, the descrambling the DCI with a predetermined radio network temporary identity comprises:
descrambling the DCIs in different formats in the DCIs in at least two formats using predetermined different RNTIs, respectively.

### Claim 11 (depends on 6)

The power saving indication method according to claim 6, wherein the DCI further includes a DCI format identifier for identifying a type of power saving scheme indicated by the power saving information.

### Claim 12 (depends on 6)

The power saving indication method according to claim 6,
wherein the power saving scheme further includes at least one of the following:
a first power saving scheme of configuring to wake up and monitor physical layer downlink control channel (PDCCH);
a second power saving scheme of configuring to sleep and not monitor PDCCH; or an eighth power saving scheme of configuring discontinuous reception.

### Claim 13 (depends on 12)

The power saving indication method according to claim 12, wherein
when the power saving scheme includes the first power saving scheme of configuring to wake up and monitor PDCCH, the power saving information includes information indicating to wake up and monitor PDCCH in a preset time period.

### Claim 14 (depends on 2)

The power saving indication method according to claim 2, wherein
when the power saving scheme includes the second power saving scheme of configuring to sleep and not monitor PDCCH, the power saving information includes information indicating to sleep and not monitor PDCCH in a preset period of time.

### Claim 15 (depends on 12)

The power saving indication method according to claim 12, wherein
when the power saving scheme includes the eighth power saving scheme of configuring discontinuous reception, the power saving information includes at least one discontinuous reception configuration parameter or indication information indicating a mapping relation between at least two discontinuous reception configuration parameters.

### Claim 16 (depends on 1)

A network side device, comprising: a transceiver, a memory, a processor, and a computer program stored on the memory and executed by the processor to perform the power saving indication method according to claim 1.

### Claim 17

A UE, comprising a transceiver, a memory, a processor, and a computer program stored on the memory and executed by the processor to perform the step of:
receiving a DCI send by a network side, wherein the DCI carries power saving information of at least one UE, the power saving information is used to indicate at least one power saving scheme,
wherein the power saving scheme includes at least one of the following:
a fifth power saving scheme of configuring to sleep a secondary serving cell;
a thirteenth power saving scheme of configuring channel state information, CSI; or
a sixteenth power saving scheme of configuring spatial-domain adaptive power adjustment;
wherein when the power saving scheme includes the fifth power saving scheme of configuring the dormant secondary serving cells, the power saving information includes at least one of a quantity of dormant secondary serving cells or an index of the dormant secondary serving cells;
when the power saving scheme includes the thirteenth power saving scheme of configuring channel state information (CSI) the power saving information includes at least one of a quantity of CSI request power saving information and an index of the CSI request power saving information, wherein the CSI request power saving information includes at least one of a CSI parameter set, a CSI resource set, or a mapping relation between the CSI parameter set and the CSI resource set;
when the power saving scheme includes the sixteenth power saving scheme of configuring spatial-domain adaptive power adjustment, the power saving information includes at least one of a quantity of antennas, a quantity of spatial layers, a quantity of codebooks, or binding relationships between the antennas.

### Claim 18 (depends on 17)

The UE according to claim 17, wherein the power saving scheme includes at least one of the following:
a first power saving scheme of configuring to wake up and monitor physical layer downlink control channel (PDCCH);
a second power saving scheme of configuring to sleep and not monitor PDCCH; or
an eighth power saving scheme of configuring discontinuous reception.

### Claim 19 (depends on 18)

The UE according to claim 18, wherein when the power saving scheme includes the first power saving scheme of configuring to wake up and monitor PDCCH, the power saving information includes information indicating to wake up and monitor PDCCH in a preset time period.

### Claim 20 (depends on 18)

The UE according to claim 18, wherein when the power saving scheme includes the second power saving scheme of configuring to sleep and not monitor PDCCH, the power saving information includes information indicating to sleep and not monitor PDCCH in a preset period of time.
