# US 2025/0097799 A1 · Communication method, terminal device, and network device

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- Number: US 2025/0097799 A1
- Document ID: US20250097799A1
- Status: Published application
- Kind: A1
- Application number: 18/964,932
- Filed: 2024-12-02
- Published: 2025-03-20
- Earliest claimed: 2022-09-29
- Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Inventors: Zhe FU; Yi HU
- Web page: https://patentgrep.com/patent/US20250097799A1

## CPC

- H04W 36/08: Reselecting an access point
- H04W 36/008357: {Determination of target cell based on access point [AP] properties, e.g. AP service capabilities}
- H04W 48/16: Discovering, processing access restriction or access information
- H04W 48/20: Selecting an access point
- H04W 52/0206: {in access points, e.g. base stations}
- H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame}
- H04W 76/28: Discontinuous transmission [DTX]; Discontinuous reception [DRX]
- H04W 52/02: Power saving arrangements
- 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

A communication method, a terminal device, and a network device are provided. The method includes: acquiring, by a terminal device, first information of a first cell/first base station, where part or all of the first information is carried in the first cell/first base station, or part or all of the first information is carried in a second cell/second base station.

## Claims

### Claim 1

A communication method, comprising:
performing, by a terminal device, one or more of the following operations:
determining whether to perform cell selection or cell reselection based on information about a first cell, or whether to consider information about a first cell in a cell selection or cell reselection process;
performing transmission based on a discontinuous transmission DTX/discontinuous reception DRX state of a first cell/first base station; or
receiving a first handover configuration transmitted by a first cell/first base station, wherein the first handover configuration comprises handover configuration information for a plurality of cells, wherein the first handover configuration is used to handover processing, or hand over from the first cell to a target cell.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the information about the first cell comprises information about energy saving of the first cell.

### Claim 3 (depends on 2)

The method according to claim 2, wherein the information about energy saving of the first cell comprises one or more of following information:
status information of the first cell;
whether the first cell belongs to a cell that supports network energy saving or a cell that supports an energy saving base station;
whether the first cell supports a first status, or is about to enter a first status, or is in a first status, wherein the first status comprises one or more of following states: a state of abnormal transmission for a cell/base station, a state of non-transmission of partial information for a cell/base station, an off state of a cell/base station, an energy saving state of a cell/base station, a network energy saving NES state of a cell/base station, a low-load state of a cell/base station, a discontinuous reception DRX state of a cell/base station, a discontinuous transmission DTX state of a cell/base station, or an on-off switching state of a cell/base station;
whether part or all of first information of the first cell is carried in a second cell, wherein the first information is used by the terminal device to access the first cell, or is used by the terminal device to camp on the first cell, or is used by the terminal device to discover/detect/measure the first cell, or is used by the terminal device to receive paging information of the first cell;
whether the first cell is a non-anchor cell;
whether the first cell transmits or is capable of transmitting a first synchronization signal or a synchronization sequence; or
whether the first cell transmits or is capable of transmitting a simplified SSB.

### Claim 4

A terminal device, comprising a memory and a processor, wherein the memory is configured to store a program, and the processor is configured to invoke the program in the memory, to cause the terminal device to perform one or more of the following operations:
determining whether to perform cell selection or cell reselection based on information about a first cell, or whether to consider information about a first cell in a cell selection or cell reselection process;
performing transmission based on a discontinuous transmission DTX/discontinuous reception DRX state of a first cell/first base station; or
receiving a first handover configuration transmitted by a first cell/first base station, wherein the first handover configuration comprises handover configuration information for a plurality of cells, wherein the first handover configuration is used to handover processing, or hand over from the first cell to a target cell.

### Claim 5 (depends on 4)

The terminal device according to claim 4, wherein the information about the first cell comprises information about energy saving of the first cell.

### Claim 6 (depends on 5)

The terminal device according to claim 5, wherein the information about energy saving of the first cell comprises one or more of following information:
status information of the first cell;
whether the first cell belongs to a cell that supports network energy saving or a cell that supports an energy saving base station;
whether the first cell supports a first status, or is about to enter a first status, or is in a first status, wherein the first status comprises one or more of following states: a state of abnormal transmission for a cell/base station, a state of non-transmission of partial information for a cell/base station, an off state of a cell/base station, an energy saving state of a cell/base station, a network energy saving NES state of a cell/base station, a low-load state of a cell/base station, a discontinuous reception DRX state of a cell/base station, a discontinuous transmission DTX state of a cell/base station, or an on-off switching state of a cell/base station;
whether part or all of first information of the first cell is carried in a second cell, wherein the first information is used by the terminal device to access the first cell, or is used by the terminal device to camp on the first cell, or is used by the terminal device to discover/detect/measure the first cell, or is used by the terminal device to receive paging information of the first cell;
whether the first cell is a non-anchor cell;
whether the first cell transmits or is capable of transmitting a first synchronization signal or a synchronization sequence; or
whether the first cell transmits or is capable of transmitting a simplified SSB.

### Claim 7 (depends on 4)

The terminal device according to claim 4, wherein in a case that the terminal device is a legacy terminal device or a terminal device that does not support network energy saving, the determining whether to perform cell selection or cell reselection based on information about a first cell, or whether to consider information about a first cell in a cell selection or cell reselection process comprises:
performing cell selection or cell reselection not based on the information about energy saving of the first cell; or
determining that the information about energy saving of the first cell is not considered in the cell selection or cell reselection process.

### Claim 8 (depends on 4)

The terminal device according to claim 4, wherein in a case that the terminal device is a terminal device that supports network energy saving, the determining whether to perform cell selection or cell reselection based on information about a first cell, or whether to consider information about a first cell in a cell selection or cell reselection process comprises:
performing cell selection or cell reselection based on the information about energy saving of the first cell; or
determining that the information about energy saving of the first cell is considered in the cell selection or cell reselection process.

### Claim 9 (depends on 4)

The terminal device according to claim 4, wherein the determining whether to perform cell selection or cell reselection based on information about a first cell, or whether to consider information about a first cell in a cell selection or cell reselection process is performed when the first cell is in a first case,
wherein the first case comprises one or more of following cases: the first cell is a cell that supports energy saving, the first cell is a cell that has an energy saving capability, the first cell is an energy saving cell or a cell for an energy saving base station, the first cell supports or enters or is about to enter a first status, first information of the first cell is carried in a second cell, or the first cell is a non-anchor cell; and
the first status comprises one or more of following states: a state of abnormal transmission for a cell/base station, a state of non-transmission of partial information for a cell/base station, an off state of a cell/base station, an energy saving state of a cell/base station, a network energy saving NES state of a cell/base station, a low-load state of a cell/base station, a discontinuous reception DRX state of a cell/base station, a discontinuous transmission DTX state of a cell/base station, or an on-off switching state of a cell/base station.

### Claim 10 (depends on 4)

The terminal device according to claim 4, wherein in a case that the DTX/DRX state of the first cell/first base station conflicts with a DTX/DRX state of the terminal device, the performing transmission based on a DTX/DRX state of a first cell/first base station comprises:
performing transmission following the DTX/DRX state of the first cell/first base station; or
performing transmission following the DTX/DRX state of the terminal device; or
performing transmission according to a first rule; or
transmitting a specific signal or channel or data; or
transmitting no information other than a specific signal or channel or data.

### Claim 11 (depends on 4)

The terminal device according to claim 4, wherein the performing transmission based on a DTX/DRX state of a first cell/first base station comprises:
transmitting a specific signal or channel or data based on the DTX/DRX state of the first cell/first base station, or transmitting first downlink information and/or first uplink information, or determining whether to transmit a specific signal or channel or data, or determining whether to receive first downlink information or transmit first uplink information.

### Claim 12 (depends on 11)

The terminal device according to claim 11, wherein
the specific signal or channel or data comprises one or more of following: a physical downlink control channel PDCCH, a physical downlink shared channel PDSCH, semi-persistent scheduling SPS, a reference signal RS, a synchronization information block SSB, a system information block SIB, a paging message, a master information block MIB, a wake-up signal WUS, a physical uplink shared channel PUSCH, a scheduling request SR, a physical uplink control channel PUCCH, a configured grant CG, a sounding reference signal SRS, a measurement report, random access channel RACH, a medium access control control element MAC CE, uplink control information UCI, or an on-demand MIB/SSB/SIB;
a type of the first downlink information comprises one or more of following: a PDCCH, a PDSCH, an SPS, an RS, an SSB, a SIB, a paging message, a MIB, or a WUS; and
a type of the first uplink information comprises one or more of following: a PUSCH, an SR, a PUCCH, a CG, an SRS, a measurement report, a RACH, a MAC CE, UCI, an on-demand MIB/SSB/SIB, or a WUS.

### Claim 13 (depends on 4)

The terminal device according to claim 4, wherein the DTX/DRX state of the first cell/first base station is configured or indicated by a network.

### Claim 14 (depends on 4)

The terminal device according to claim 4, wherein the first handover configuration comprises a handover execution condition for at least one cell in the plurality of cells, or a handover execution condition for the plurality of cells.

### Claim 15 (depends on 4)

The terminal device according to claim 4, wherein the handover is performed in a case that first signaling is received, or the handover is triggered based on received first signaling.

### Claim 16 (depends on 15)

The terminal device according to claim 15, wherein the first signaling is used for instructing the terminal device to perform the handover or handover processing, or the first signaling is used for instructing the terminal device to hand over from the first cell to the target cell.

### Claim 17

A network device, wherein the network device is a first cell/first base station, the network device comprises a memory and a processor, the memory is configured to store a program, and the processor is configured to invoke the program in the memory, to cause the network device to perform the following operation:
transmitting a first handover configuration to a terminal device, wherein the first handover configuration comprises handover configuration information for a plurality of cells, and the first handover configuration is used by the terminal device to perform handover processing or hand over from the first cell to a target cell.

### Claim 18 (depends on 17)

The network device according to claim 17, wherein the first handover configuration comprises a handover execution condition for at least one cell in the plurality of cells, or a handover execution condition for the plurality of cells.

### Claim 19 (depends on 17)

The network device according to claim 17, wherein the handover is performed in a case that first signaling is received, or the handover is triggered based on received first signaling.

### Claim 20 (depends on 19)

The network device according to claim 19, wherein the first signaling is used for instructing the terminal device to perform the handover or handover processing, or the first signaling is used for instructing the terminal device to hand over from the first cell to the target cell.