# US 2021/0243740 A1 · Wireless-network-based communication method, terminal device, and network device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0243740 A1 - Document ID: US20210243740A1 - Status: Published application - Kind: A1 - Application number: 17/240,057 - Filed: 2021-04-26 - Published: 2021-08-05 - Earliest claimed: 2018-10-29 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Hai TANG - Web page: https://patentgrep.com/patent/US20210243740A1 ## CPC - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 74/006: {in the downlink, i.e. towards the terminal} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Provided in the embodiments of the present invention are a wireless-network-based communication method, terminal device, and network device. The method comprises: a terminal device detecting first downlink control information (DCI) sent by a network device; a terminal device detecting second DCI sent by a network device; the terminal device joining control information of the first DCI and second DCI so as to send or receive target data. In the embodiments of the present invention, the first DCI and second DCI may carry different types of control information; separately transmitting the first DCI and second DCI satisfies the requirements for transmission of different types of control information; insofar as the requirements for transmission of different types of control information are satisfied, different types of control information are transmitted to the terminal device, such that the terminal device can send or receive target data. ## Claims ### Claim 1 A wireless network based communication method, comprising: sending, by a network device, Downlink Control Information (DCI) to a terminal device; wherein the DCI comprises a first DCI and a second DCI; and the first DCI and the second DCI are sent at different parts of frequency domain resources of a system bandwidth; and receiving, by the network device, target data sent from the terminal device; wherein the target data is sent according to a combination of control information in the first DCI and control information in the second DCI. ### Claim 2 (depends on 1) The method of claim 1, wherein the first DCI has a first DCI format and the second DCI has a second DCI format; and the first DCI format and the second DCI format are different from each other. ### Claim 3 (depends on 1) The method of claim 1, wherein length of information in the first DCI is different from length of information in the second DCI and/or information content in the first DCI is different from information content in the second DCI ### Claim 4 (depends on 1) The method of claim 1, wherein sending, by a network device, the DCI to a terminal device comprises at least one of: sending, by the network device, the first DCI on a public control channel, or sending, by the network device, the first DCI according to public transmission parameters of a cell. ### Claim 5 (depends on 1) The method of claim 1, wherein sending, by the network device, the DCI to the terminal device comprises: sending, by the network device, the second DCI on the public control channel; or sending, by the network device, the second DCI on parts of frequency domain resources of a system bandwidth. ### Claim 6 (depends on 5) The method of claim 5, wherein the parts of frequency domain resources are frequency domain resources indicated by the first DCI. ### Claim 7 (depends on 1) The method of claim 1, wherein a control channel for carrying the second DCI and a data channel for carrying the target data occupy same time domain resources or same frequency domain resources. ### Claim 8 (depends on 1) The method of claim 1, wherein the first DCI includes at least one of the following information used when the terminal device sends or receives the target data: a subcarrier spacing; a total number of sub-carriers under a preset bandwidth; a total number of sub-carriers included in a Physical Resource Block (PRB); the length of an Orthogonal Frequency Division Multiplexing (OFDM) symbol; a total number of points used to generate an OFDM signal by Fourier transform or inverse Fourier transform; a total number of OFDM symbols included in a Transmission Time Interval (TTI); a total number of TTIs included in a preset time unit; signal prefix information; A/N feedback time sequence information; a physical resource distribution manner; or frequency hopping configuration information. ### Claim 9 (depends on 1) The method of claim 1, wherein the second DCI comprises at least one of the following information used when the terminal device sends or receives the target data: a physical resource distribution manner; uplink sending power control information; A/N feedback time sequence information; frequency hopping configuration information; Hybrid Automatic Repeat Request (HARQ) progress information; Channel State Information (CSI) reporting trigger information; Sounding Reference Signal (SRS) transmission trigger information; transmission block transmission information; uplink Demodulation Reference Signal (DMRS) configuration information; or downlink DMRS configuration information. ### Claim 10 A network device, comprising: a transceiver, configured to: send Downlink Control Information (DCI) to a terminal device; wherein the DCI comprises a first DCI and a second DCI; and the first DCI and the second DCI are sent at different parts of frequency domain resources of a system bandwidth; and receive target data sent from the terminal device; wherein the target data is sent according to a combination of control information in the first DCI and control information in the second DCI. ### Claim 11 (depends on 10) The network device of claim 10, wherein the first DCI has a first DCI format and the second DCI has a second DCI format; and the first DCI format and the second DCI format are different from each other. ### Claim 12 (depends on 10) The network device of claim 10, wherein length of information in the first DCI is different from length of information in the second DCI and/or information content in the first DCI is different from information content in the second DCI. ### Claim 13 (depends on 10) The network device of claim 10, wherein the transceiver is further configured to: send the first DCI on a public control channel, or send the first DCI according to public transmission parameters of a cell. ### Claim 14 (depends on 10) The network device of claim 10, wherein the transceiver is further configured to: send the second DCI on the public control channel; or send the second DCI on parts of frequency domain resources of a system bandwidth. ### Claim 15 (depends on 14) The network device of claim 14, wherein the parts of frequency domain resources are frequency domain resources indicated by the first DCI. ### Claim 16 (depends on 10) The network device of claim 10, wherein a control channel for carrying the second DCI and a data channel for carrying the target data occupy same time domain resources or same frequency domain resources. ### Claim 17 (depends on 10) The network device of claim 10, wherein the first DCI includes at least one of the following information used when the terminal device sends or receives the target data: a subcarrier spacing; a total number of sub-carriers under a preset bandwidth; a total number of sub-carriers included in a Physical Resource Block (PRB); the length of an Orthogonal Frequency Division Multiplexing (OFDM) symbol; a total number of points used to generate an OFDM signal by Fourier transform or inverse Fourier transform; a total number of OFDM symbols included in a Transmission Time Interval (TTI); a total number of TTIs included in a preset time unit; signal prefix information; A/N feedback time sequence information; a physical resource distribution manner; or frequency hopping configuration information. ### Claim 18 (depends on 10) The network device of claim 10, wherein the second DCI includes at least one of the following information used when the terminal device sends or receives the target data: a physical resource distribution manner; uplink sending power control information; A/N feedback time sequence information; frequency hopping configuration information; Hybrid Automatic Repeat Request (HARQ) progress information; Channel State Information (CSI) reporting trigger information; Sounding Reference Signal (SRS) transmission trigger information; transmission block transmission information; uplink Demodulation Reference Signal (DMRS) configuration information; or downlink DMRS configuration information. ### Claim 19 A non-transitory computer-readable storage medium having stored therein computer executable instructions that when executed by a processor, implement the following steps: sending, by a network device, Downlink Control Information (DCI) to a terminal device; wherein the DCI comprises a first DCI and a second DCI; and the first DCI and the second DCI are sent at different parts of frequency domain resources of a system bandwidth; and receiving, by the network device, target data sent from the terminal device; wherein the target data is sent according to a combination of control information in the first DCI and control information in the second DCI. ### Claim 20 (depends on 19) The non-transitory computer-readable storage medium of claim 19, wherein the first DCI has a first DCI format and the second DCI has a second DCI format; and the first DCI format and the second DCI format are different from each other.