# US 11,902,839 B2 · Data transmission method and device, 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 11,902,839 B2 - Document ID: US11902839B2 - Status: Granted - Kind: B2 - Application number: 17/194,257 - Filed: 2021-03-06 - Published: 2021-06-24 - Granted: 2024-02-13 - Earliest claimed: 2018-09-19 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Qianxi Lu; Xin You; Ning Yang - Web page: https://patentgrep.com/patent/US11902839B2 ## CPC - H04W 36/0055: {Transmission or use of information for re-establishing the radio link} - H04J 3/02: Details (electronic switching or gating H03K17/00) - H04W 36/0064: {of control information between different access points} - H04W 36/0069: {in case of dual connectivity, e.g. decoupled uplink/downlink} - H04W 36/085: {involving beams of access points} - H04W 36/18: for allowing seamless reselection, e.g. soft reselection - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) ## Abstract Disclosed is a data transmission method. The method comprises: a terminal device performing data transmission with a first network device and/or a second network device according to a time division multiplexing mode, the time division multiplexing mode indicating information associated with data transmission performed between the terminal device and the first network device and/or the second network device. Further disclosed are another data transmission method, a terminal device, and a storage medium. ## Claims ### Claim 1 A method for data transmission, comprising: performing, by a terminal device, data transmission with a first network device and/or a second network device based on a time division multiplexing mode; wherein the time division multiplexing mode is used for indicating information for performing data transmission between the terminal device and the first network device and/or the second network device; wherein the method further comprises: sending, by the terminal device, capability information of the terminal device to the first network device, wherein the capability information is used for the first network device to configure the time division multiplexing mode; wherein the capability information comprises handover capability information, wherein the handover capability information comprises beam switch delay information and the radio frequency switch delay information. ### Claim 2 (depends on 1) The method of claim 1, wherein the information for performing the data transmission between the terminal device and the first network device and/or the second network device comprises at least one of the following: a time for performing the data transmission between the terminal device and the first network device and/or the second network device; and the terminal device performs beam switch, or radio frequency switch, or the beam switch and the radio frequency switch. ### Claim 3 (depends on 1) The method of claim 1, wherein the time division multiplexing mode is carried in a cell handover command sent by the first network device, and the time division multiplexing mode is a preconfigured time division multiplexing mode used in a cell handover process after the terminal device receives the cell handover command sent by the first network device. ### Claim 4 (depends on 1) The method of claim 1, further comprising: sending, by the terminal device, a capability of supporting simultaneous receiving of data of a plurality of cells to the first network device; wherein the capability of supporting the simultaneous receiving of data of a plurality of cells is used for the first network device and/or a second network device to schedule the terminal device to simultaneously receive scheduled transmission of the plurality of cells at a same time point, and, sending, by the terminal device, a capability of supporting simultaneous transmitting of data of a plurality of cells to the first network device; wherein the capability of supporting the simultaneous transmitting of data of a plurality of cells is used for the first network device and/or the second network device to schedule the terminal device to simultaneously transmit data in the plurality of cells at a same time point. ### Claim 5 (depends on 1) The method of claim 1, wherein performing, by the terminal device, the data transmission with the first network device and/or the second network device based on the time division multiplexing mode comprises: determining, by the terminal device, a time point at which the data transmission is capable of being performed, according to physical downlink control channel (PDCCH) scheduling, determining a beam direction and selecting a radio frequency chain based on the time division multiplexing mode, when the terminal device does not support a data uplink dual transmitting and receives a time division multiplexing mode for downlink. ### Claim 6 (depends on 1) The method of claim 1, wherein when time of the first network device and time of the second network device are not synchronized, the time division multiplexing mode comprises a first time division multiplexing mode and a second time division multiplexing mode; wherein the first time division multiplexing mode is used for performing the data transmission between the terminal device and the first network device; and the second time division multiplexing mode is used for performing the data transmission between the terminal device and the second network device, or, wherein when time of the first network device and time of the second network device are not synchronized, the time division multiplexing mode comprises a third time division multiplexing mode, and the third time division multiplexing mode is used for the terminal device to perform the data transmission with the first network device and/or the second network device, wherein when time of the first network device and time of the second network device are not synchronized, a time difference caused by the out-of-sync between the first network device and the second network device is contained in a time period which is used by the first network device or the second network device for the data transmission. ### Claim 7 (depends on 1) The method of claim 1, wherein when time of the first network device and time of the second network device are not synchronized, the method further comprises: acquiring a configuration of a switch gap time point, wherein the terminal device performs the data transmission with the first network device and/or the second network device within the switch gap; or the terminal device does not perform the data transmission with the first network device and/or the second network device within the switch gap. ### Claim 8 (depends on 1) The method of claim 1, wherein the time division multiplexing mode comprises: a time division multiplexing mode for downlink and/or a time division multiplexing mode for uplink. ### Claim 9 (depends on 1) The method of claim 1, wherein the first network device is a source network device in the cell handover process, and the second network device is a target network device in the cell handover process. ### Claim 10 A method for data transmission, comprising: acquiring, by a first network device, a time division multiplexing mode; and sending, by the first network device, the time division multiplexing mode to a terminal device; wherein the time division multiplexing mode is used for indicating information for performing data transmission between the terminal device and the first network device and/or the second network device; wherein acquiring, by the first network device, the time division multiplexing mode comprises: receiving, by the first network device, capability information sent by the terminal device; and determining, by the first network device, the time division multiplexing mode based on the capability information, wherein the capability information comprises handover capability information, wherein the handover capability information comprises beam switch delay information and the radio frequency switch delay information. ### Claim 11 (depends on 10) The method of claim 10, wherein the information for performing the data transmission between the terminal device and the first network device and/or the second network device comprises at least one of the following: a time for performing the data transmission between the terminal device and the first network device and/or the second network device; and the terminal device performs beam switch, or radio frequency switch, or the beam switch and the radio frequency switch. ### Claim 12 (depends on 10) The method of claim 10, wherein sending, by the first network device, the time division multiplexing mode to the terminal device comprises: sending, by the first network device, a cell handover command to the terminal device, wherein the cell handover command carries the time division multiplexing mode. ### Claim 13 (depends on 10) The method of claim 10, further comprising: receiving, by the first network device, a capability of supporting simultaneous receiving of data of a plurality of cells sent by the terminal device; sending, by the first network device, to the second network device the capability of supporting the simultaneous receiving of data of a plurality of cells sent by the terminal device; and scheduling, by the first network device, the terminal device to simultaneously receive scheduled transmission of the plurality of cells at a same time point based on the capability of supporting the simultaneous receiving of data of a plurality of cells, or, receiving, by the first network device, a capability of supporting simultaneous transmitting of data of a plurality of cells sent by the terminal device; sending, by the first network device, to the second network device the capability of supporting the simultaneous transmitting of data of a plurality of cells sent by the terminal device; and scheduling, by the first network device, the terminal device to simultaneously transmit data in the plurality of cells at a same time point based on the capability of supporting the simultaneous transmitting of data of a plurality of cells. ### Claim 14 (depends on 10) The method of claim 10, wherein when time of the first network device and time of the second network device are not synchronized, the method further comprises: configuring, by the first network device, a switch gap time point, or, wherein when time of the first network device and time of the second network device are not synchronized, the method further comprises: configuring, by the first network device, a time difference caused by the out-of-sync between the first network device and the second network device to be contained in a time period used by the first network device or the second network device for the data transmission. ### Claim 15 A terminal device, comprising: a processor and a memory configured to store a computer program which is runnable on the processor, wherein the processor is configured to, when running the computer program, perform data transmission with a first network device and/or a second network device based on a time division multiplexing mode; wherein the time division multiplexing mode is used for indicating information for performing data transmission between the terminal device and the first network device and/or the second network device; wherein the processor is further configured to, when running the computer program, send capability information of the terminal device to the first network device, wherein the capability information is used for the first network device to configure the time division multiplexing mode; wherein the capability information comprises handover capability information, wherein the handover capability information comprises the beam switch delay information and the radio frequency switch delay information. ### Claim 16 (depends on 15) The terminal device of claim 15, wherein the information for performing data transmission between the terminal device and the first network device and/or the second network device comprises at least one of the following: a time for performing the data transmission between the terminal device and the first network device and/or the second network device; and the terminal device performs beam switch, or radio frequency switch, or the beam switch and the radio frequency switch. ### Claim 17 (depends on 15) The terminal device of claim 15, wherein the time division multiplexing mode is carried in a cell handover command sent by the first network device, and wherein the time division multiplexing mode is a preconfigured time division multiplexing mode used in a cell handover process after the terminal device receives the cell handover command sent by the first network device. ### Claim 18 (depends on 15) The terminal of claim 15, wherein the processor is further configured to, when running the computer program, send to the first network device a capability of supporting simultaneous receiving of data of a plurality of cells; wherein the capability of supporting the simultaneous receiving of data of a plurality of cells is used for the first network device and/or a second network device to schedule the terminal device to simultaneously receive scheduled transmission of the plurality of cells at a same time point, and, send to the first network device a capability of supporting simultaneous transmitting data of a plurality of cells; wherein the capability of supporting the simultaneous transmitting of data of a plurality of cells is used for the first network device and/or the second network device to schedule the terminal device to simultaneously transmit data in the plurality of cells at a same time point. ### Claim 19 (depends on 15) The terminal device of claim 15, wherein when the terminal device does not support a data uplink dual transmitting and receives a time division multiplexing mode for downlink, the processor is further configured to, when running the computer program, determine a time point at which the data transmission is capable of being performed according to physical downlink control channel (PDCCH) scheduling, and determine a beam direction and select a radio frequency chain based on the time division multiplexing mode. ### Claim 20 (depends on 15) The terminal device of claim 15, wherein when time of the first network device and time of the second network device are not synchronized, the time division multiplexing mode comprises a first time division multiplexing mode and a second time division multiplexing mode; wherein the first time division multiplexing mode is used for performing the data transmission between the processor and the first network device; and the second time division multiplexing mode is used for performing the data transmission between the processor and the second network device, or, wherein when time of the first network device and time of the second network device are not synchronized, the time division multiplexing mode comprises a third time division multiplexing mode, and the third time division multiplexing mode is used for the terminal device to perform the data transmission with the first network device and/or the second network device; wherein when time of the first network device and time of the second network device are not synchronized, a time difference caused by the out-of-sync between the first network device and the second network device is contained in a time period which is used by the first network device or the second network device for the data transmission. ### Claim 21 (depends on 15) The terminal device of claim 15, wherein when time of the first network device and time of the second network device are not synchronized, the processor acquires a configuration of a switch gap time point, wherein the processor is further configured to perform the data transmission with the first network device and/or the second network device within the switch gap; or not to perform the data transmission with the first network device and/or the second network device within the switch gap. ### Claim 22 A first network device, comprising: a processor and a memory configured to store a computer program which is runnable on the processor, wherein the processor is configured to, when running the computer program, acquire a time division multiplexing mode; and send the time division multiplexing mode to a terminal device; wherein the time division multiplexing mode is used for indicating information for performing data transmission between the terminal device and the first network device and/or the second network device; wherein the processor is further configured to, when running the computer program, receive capability information sent by the terminal device; and determine the time division multiplexing mode based on the capability information, wherein the capability information comprises handover capability information, wherein the handover capability information comprises the beam switch delay information and the radio frequency switch delay information. ### Claim 23 (depends on 22) The first network device of claim 22, wherein the information for performing the data transmission between the terminal device and the first network device and/or the second network device comprises at least one of the following: a time for performing the data transmission between the terminal device and the first network device and/or the second network device; and the terminal device performs beam switch, or radio frequency switch, or the beam switch and the radio frequency switch. ### Claim 24 (depends on 22) The first network device of claim 22, wherein the processor is further configured to, when running the computer program, send a cell handover command to the terminal device, the cell handover command carries the time division multiplexing mode. ### Claim 25 (depends on 22) The first network device of claim 22, wherein the processor is further configured to, when running the computer program, receive a capability of supporting simultaneous receiving of data of a plurality of cells sent by the terminal device; send to the second network device the capability of supporting the simultaneous receiving of data of a plurality of cells sent by the terminal device; and schedule the terminal device to simultaneously receive scheduled transmission of the plurality of cells at a same time point based on the capability of supporting the simultaneous receiving of data of a plurality of cells, or, wherein the processor is further configured to, when running the computer program, receive a capability of supporting simultaneous transmitting of data of a plurality of cells sent by the terminal device; send to the second network device the capability of supporting the simultaneous transmitting of data of a plurality of cells sent by the terminal device; and schedule the terminal device to simultaneously transmit data in the plurality of cells at a same time point based on the capability of supporting the simultaneous transmitting of data of a plurality of cells. ### Claim 26 (depends on 22) The first network device of claim 22, wherein when time of the first network device and time of the second network device are not synchronized, the processor is further configured to, when running the computer program, configure a switch gap time point, or, wherein when time of the first network device and time of the second network device are not synchronized, the processor is further configured to, when running the computer program, configure a time difference caused by the out-of-sync between the first network device and the second network device to be contained in a time period which is used by the first network device for the data transmission.