# US 11,444,731 B2 · Transmission method, terminal, 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 11,444,731 B2 - Document ID: US11444731B2 - Status: Granted - Kind: B2 - Application number: 16/678,298 - Filed: 2019-11-08 - Published: 2020-03-05 - Granted: 2022-09-13 - Earliest claimed: 2017-05-12 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Shengyue Dou; Ting Wang; Yuanjie Li - Web page: https://patentgrep.com/patent/US11444731B2 ## CPC - H04L 5/0035: {Resource allocation in a cooperative multipoint environment} - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04W 72/00: Local resource management - H04W 72/12: Wireless traffic scheduling - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract The present disclosure relates to transmission methods, terminals, and network devices. One example method includes receiving, by a terminal, a plurality of pieces of downlink control information (DCI), where the DCI includes at least first trigger information that is in a one-to-one correspondence with the DCI, and the first trigger information is used to indicate, to the terminal, at least one of a resource used by a first reference signal or sending processing of the first reference signal, determining, by the terminal, target first trigger information from a plurality of pieces of first trigger information, and performing, by the terminal and based on the target first trigger information, sending processing on the first reference signal. ## Claims ### Claim 1 A transmission method, comprising: receiving, by a terminal, a plurality of downlink control information (DCI), wherein each DCI of the plurality of DCI comprises at least first trigger information that is in a one-to-one correspondence with the DCI, and wherein the first trigger information is used to indicate, to the terminal, at least one of a resource used by a first reference signal or sending processing of the first reference signal; determining, by the terminal, target first trigger information from a plurality of first trigger information corresponding to the plurality of DCI, wherein the target first trigger information is one of the plurality of first trigger information and is considered to be valid trigger information by the terminal, and wherein all other first trigger information of the plurality of first trigger information is considered to be invalid trigger information by the terminal; and in response to determining the target first trigger information from the plurality of first trigger information corresponding to the plurality of DCI, performing, by the terminal and based on the target first trigger information, sending processing on the first reference signal. ### Claim 2 (depends on 1) The method according to claim 1, wherein the determining, by the terminal, target first trigger information from a plurality of first trigger information comprises: determining, by the terminal as the target first trigger information, one of the plurality of first trigger information that instructs the terminal to send the first reference signal. ### Claim 3 (depends on 1) The method according to claim 1, wherein the determining, by the terminal, target first trigger information from a plurality of first trigger information comprises: determining, by the terminal, the target first trigger information based on at least one of resource locations of the plurality of DCI, aggregation levels of the plurality of DCI, scrambling modes of the plurality of DCI, or first indication information comprised in the plurality of DCI. ### Claim 4 (depends on 1) The method according to claim 1, wherein the determining, by the terminal, target first trigger information from a plurality of first trigger information comprises: determining, by the terminal, target DCI from the plurality of DCI, wherein the target DCI is determined in a predefined manner or determined through interaction between network devices; and determining, by the terminal, first trigger information comprised in the target DCI as the target first trigger information. ### Claim 5 (depends on 4) The method according to claim 4, wherein the determining, by the terminal, target DCI from the plurality of DCI comprises: determining, by the terminal, the target DCI based on at least one of resource locations of the plurality of DCI, aggregation levels of the plurality of DCI, scrambling modes of the plurality of DCI, or first indication information comprised in the plurality of DCI. ### Claim 6 (depends on 5) The method according to claim 5, wherein a resource location is one of a search space, a candidate control channel set, and a control resource set. ### Claim 7 (depends on 1) The method according to claim 1, wherein the resource used by the first reference signal comprises at least one of a first reference signal sequence, a time domain resource, a frequency domain resource, a numerology, an antenna port resource, a precoding matrix used by the first reference signal sequence, or a comb structure used by the first reference signal sequence. ### Claim 8 (depends on 1) The method according to claim 1, wherein the first reference signal includes a demodulation reference signal (DMRS) or a channel state information reference signal (CSI-RS). ### Claim 9 (depends on 1) The method according to claim 1, wherein performing the sending processing on the first reference signal includes not sending the first reference signal. ### Claim 10 (depends on 1) The method according to claim 1, wherein each DCI of the plurality of DCI further comprises second trigger information, and wherein the second trigger information is used to indicate, to the terminal, at least one of a resource used by a second reference signal or sending processing of the second reference signal. ### Claim 11 A terminal, comprising: a transceiver, the transceiver configured to receive a plurality of downlink control information (DCI), wherein each DCI of the plurality of DCI comprises at least first trigger information that is in a one-to-one correspondence with the DCI, and wherein the first trigger information is used to indicate, to the terminal, at least one of a resource used by a first reference signal or sending processing of the first reference signal; at least one processor; and one or more memories coupled to the at least one processor and storing programming instructions for execution by the at least one processor to determine target first trigger information from a plurality of first trigger information corresponding to the plurality of DCI, wherein the target first trigger information is one of the plurality of first trigger information and is considered to be valid trigger information by the terminal, wherein all other first trigger information of the plurality of first trigger information is considered to be invalid trigger information by the terminal, and wherein: the transceiver is further configured to perform, based on the target first trigger information, sending processing on the first reference signal in response to determining the target first trigger information from the plurality of first trigger information corresponding to the plurality of DCI. ### Claim 12 (depends on 11) The terminal according to claim 11, wherein the programming instructions are for execution by the at least one processor to: determine, as the target first trigger information, one of the plurality of first trigger information that instructs the terminal to send the first reference signal. ### Claim 13 (depends on 11) The terminal according to claim 11, wherein the programming instructions are for execution by the at least one processor to: determine the target first trigger information based on at least one of resource locations of the plurality of DCI, aggregation levels of the plurality of DCI, scrambling modes of the plurality of DCI, or first indication information comprised in the plurality of DCI. ### Claim 14 (depends on 11) The terminal according to claim 11, wherein the programming instructions are for execution by the at least one processor to: determine target DCI from the plurality of DCI, and the target DCI is determined in a predefined manner or determined through interaction between network devices; and determine, as the target first trigger information, first trigger information comprised in the target DCI. ### Claim 15 (depends on 14) The terminal according to claim 14, wherein the programming instructions are for execution by the at least one processor to: determine the target DCI based on at least one of resource locations of the plurality of DCI, aggregation levels of the plurality of DCI, scrambling modes of the plurality of DCI, or first indication information comprised in the plurality of DCI. ### Claim 16 (depends on 15) The terminal according to claim 15, wherein a resource location is one of a search space, a candidate control channel set, and a control resource set. ### Claim 17 (depends on 11) The terminal according to claim 11, wherein the resource used by the first reference signal comprises at least one of a first reference signal sequence, a time domain resource, a frequency domain resource, a numerology, an antenna port resource, a precoding matrix used by the first reference signal sequence, or a comb structure used by the first reference signal sequence. ### Claim 18 A network device, comprising: at least one processor; one or more memories coupled to the at least one processor and storing programming instructions for execution by the at least one processor to determine at least one downlink control information (DCI) in a plurality of DCI, wherein each DCI of the plurality of DCI comprises at least first trigger information, wherein the first trigger information is used to indicate, to a terminal, a resource used by a first reference signal or sending processing of the first reference signal, wherein the plurality of DCI are used by the terminal to determine target first trigger information from a plurality of first trigger information corresponding to the plurality of DCI, wherein the target first trigger information is one of the plurality of first trigger information and is considered to be valid trigger information by the terminal, wherein all other first trigger information of the plurality of first trigger information is considered to be invalid trigger information by the terminal, wherein the target first trigger information is used by the terminal to determine sending processing of the first reference signal, and wherein the plurality of DCI are in a one-to-one correspondence with the plurality of first trigger information; and a transmitter, the transmitter configured to send the at least one DCI to the terminal in response to determining the at least one DCI in the plurality of DCI. ### Claim 19 (depends on 18) The network device according to claim 18, wherein the at least one DCI is determined in a predefined manner or in a manner of interaction with another network device serving the terminal. ### Claim 20 A transmission method, comprising: determining at least one downlink control information (DCI) in a plurality of DCI, wherein each DCI of the plurality of DCI comprises at least first trigger information, wherein the first trigger information is used to indicate, to a terminal, a resource used by a first reference signal or sending processing of the first reference signal, wherein the plurality of DCI are used by the terminal to determine target first trigger information from a plurality of first trigger information corresponding to the plurality of DCI, wherein the target first trigger information is one of the plurality of first trigger information and is considered to be valid trigger information by the terminal, wherein all other first trigger information of the plurality of first trigger information is considered to be invalid trigger information by the terminal, wherein the target first trigger information is used by the terminal to determine sending processing of the first reference signal, and wherein the plurality of DCI are in a one-to-one correspondence with the plurality of first trigger information; and sending the at least one DCI to the terminal in response to determining the at least one DCI in the plurality of DCI. ### Claim 21 (depends on 20) The method according to claim 20, wherein the at least one DCI is determined in a predefined manner or in a manner of interaction with another network device serving the terminal.