# US 12,225,568 B2 · Method and device in communication nodes for wireless communication > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,225,568 B2 - Document ID: US12225568B2 - Status: Granted - Kind: B2 - Application number: 17/467,290 - Filed: 2021-09-06 - Published: 2022-03-10 - Granted: 2025-02-11 - Earliest claimed: 2020-09-07 - Assignees: Shanghai Langbo Communication Technology Company Limited - Applicants: Lu Wu; Xiaobo Zhang - Inventors: Lu Wu; Xiaobo Zhang - Web page: https://patentgrep.com/patent/US12225568B2 ## CPC - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04W 72/535: {based on resource usage policies} - H04L 5/0023: {Time-frequency-space} - 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: 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 provides a method and device in communication nodes for wireless communications. A first node receives a first information block, a second information block and a third information block; when a first condition set is satisfied, transmits a first bit block and a second bit block in a first time-frequency resource block; when the first condition set is not satisfied, transmits the second bit block in the second time-frequency resource block, and transmits the second bit block in the third time-frequency resource block. The first time-frequency resource block is reserved for the first bit block; the second time-frequency resource block and the third time-frequency resource block are respectively reserved for two repetitions of the second bit block; whether the first condition set is satisfied is used to determine whether to drop transmitting the first bit block in the first time-frequency resource block. ## Claims ### Claim 1 A first node for wireless communications, comprising: a first receiver, receiving a first information block, a second information block and a third information block; and a first transmitter, when a first condition set is satisfied, transmitting a first bit block and a second bit block in a first time-frequency resource block, dropping transmitting the second bit block in a second time-frequency resource block, and dropping transmitting the second bit block in a third time-frequency resource block; when the first condition set is not satisfied, dropping transmitting the first bit block in the first time-frequency resource block, transmitting the second bit block in the second time-frequency resource block, and transmitting the second bit block in the third time-frequency resource block; the first transmitter transmits a first reference signal, or the first receiver receives a first reference signal; the first transmitter transmits a second reference signal, or the first receiver receives a second reference signal; wherein the first information block is used to indicate the first time-frequency resource block, and the first time-frequency resource block is reserved for the first bit block; the second information block is used to indicate the second time-frequency resource block and the third time-frequency resource block, and the second time-frequency resource block and the third time-frequency resource block are respectively reserved for two repetitions of the second bit block; the first time-frequency resource block overlaps with the second time-frequency resource block in time domain, and the first time-frequency resource block overlaps with the third time-frequency resource block in time domain; whether the first condition set is satisfied is used to determine whether to drop transmitting the first bit block in the first time-frequency resource block, the third information block is used to indicate a first index and a second index, the first index is used to indicate the first reference signal, and the second index is used to indicate the second reference signal: the first index is used to determine a spatial relation of the second time-frequency resource block, and the second index is used to determine a spatial relation of the third time-frequency resource block; the first condition set comprises: the first index is the same as the second index; the first index is a non-negative integer, and the second index is a non-negative integer; the first bit block comprises at least one bit, and the second bit block comprises at least one bit. ### Claim 2 (depends on 1) The first node according to claim 1, wherein the first time-frequency resource block comprises M resource sub-blocks, spatial relations of the M resource sub-blocks are the same, M being a positive integer greater than 1. ### Claim 3 (depends on 1) The first node according to claim 1, wherein when the first condition set is satisfied, the first transmitter executes a first behavior; wherein the first behavior comprises: dividing the first time-frequency resource block into a first resource sub-block and a second resource sub-block with a first time as boundary; the first resource sub-block and the second resource sub-block are respectively used for two repetitions of a target bit block set, and the target bit block set comprises the first bit block and the second bit block; the first time belongs to time-domain resources occupied by the first time-frequency resource block, an end time of the first resource sub-block is not later than the first time, and a start time of the second resource sub-block is later than the first time. ### Claim 4 (depends on 3) The first node according to claim 3, wherein an end time of the second time-frequency resource block is earlier than a start time of the third time-frequency resource block, the second time-frequency resource block overlaps with only the first resource sub-block in the first resource sub-block and the second resource sub-block in time domain, and the third time-frequency resource block overlaps with only the second resource sub-block in the first resource sub-block and the second resource sub-block in time domain; time-domain resources occupied by the second time-frequency resource block and time-domain resources occupied by the third time-frequency resource block are used to determine the first time; or, the first receiver receives a fourth information block; wherein the fourth information block is used to determine the first time; when the first condition set is satisfied, the first information block is used to indicate that the first behavior is executed. ### Claim 5 (depends on 1) The first node according to claim 1, wherein the first receiver receives a first signal in a fourth time-frequency resource block; wherein the second information block is used to indicate the fourth time-frequency resource block, and the second bit block is used to indicate whether the first signal is correctly received. ### Claim 6 A second node for wireless communications, comprising: a second transmitter, transmitting a first information block, a second information block and a third information block; and a second receiver, when a first condition set is satisfied, receiving a first bit block and a second bit block in a first time-frequency resource block, dropping receiving the second bit block in a second time-frequency resource block, and dropping receiving the second bit block in a third time-frequency resource block; when the first condition set is not satisfied, dropping receiving the first bit block in the first time-frequency resource block, receiving the second bit block in the second time-frequency resource block, and receiving the second bit block in the third time-frequency resource block; the second receiver receives a first reference signal, or the second transmitter transmits a first reference signal; the second receiver receives a second reference signal, or, the second transmitter transmits a second reference signal; wherein the first information block is used to indicate the first time-frequency resource block, and the first time-frequency resource block is reserved for the first bit block; the second information block is used to indicate the second time-frequency resource block and the third time-frequency resource block, and the second time-frequency resource block and the third time-frequency resource block are respectively reserved for two repetitions of the second bit block; the first time-frequency resource block overlaps with the second time-frequency resource block in time domain, and the first time-frequency resource block overlaps with the third time-frequency resource block in time domain; whether the first condition set is satisfied is used to determine whether to drop receiving the first bit block in the first time-frequency resource block, the third information block is used to indicate a first index and a second index, the first index is used to indicate the first reference signal, and the second index is used to indicate the second reference signal; the first index is used to determine a spatial relation of the second time-frequency resource block, and the second index is used to determine a spatial relation of the third time-frequency resource block; the first condition set comprises: the first index is the same as the second index; the first index is a non-negative integer, and the second index is a non-negative integer; the first bit block comprises at least one bit, and the second bit block comprises at least one bit. ### Claim 7 (depends on 6) The second node according to claim 6, wherein the first time-frequency resource block comprises M resource sub-blocks, spatial relations of the M resource sub-blocks are the same, M being a positive integer greater than 1. ### Claim 8 (depends on 6) The second node according to claim 6, wherein when the first condition set is satisfied, the second receiver executes a first behavior; wherein the first behavior comprises: dividing the first time-frequency resource block into a first resource sub-block and a second resource sub-block with a first time as boundary; the first resource sub-block and the second resource sub-block are respectively used for two repetitions of a target bit block set, and the target bit block set comprises the first bit block and the second bit block; the first time belongs to time-domain resources occupied by the first time-frequency resource block, an end time of the first resource sub-block is not later than the first time, and a start time of the second resource sub-block is later than the first time. ### Claim 9 (depends on 8) The second node according to claim 8, wherein an end time of the second time-frequency resource block is earlier than a start time of the third time-frequency resource block, the second time-frequency resource block overlaps with only the first resource sub-block in the first resource sub-block and the second resource sub-block in time domain, and the third time-frequency resource block overlaps with only the second resource sub-block in the first resource sub-block and the second resource sub-block in time domain; time-domain resources occupied by the second time-frequency resource block and time-domain resources occupied by the third time-frequency resource block are used to determine the first time; or, the second transmitter transmits a fourth information block; wherein the fourth information block is used to determine the first time; when the first condition set is satisfied, the first information block is used to indicate that the first behavior is executed. ### Claim 10 (depends on 6) The second node according to claim 6, wherein the second transmitter transmits a first signal in a fourth time-frequency resource block; wherein the second information block is used to indicate the fourth time-frequency resource block, and the second bit block is used to indicate whether the first signal is correctly received. ### Claim 11 A method in a first node for wireless communications, comprising: receiving a first information block, a second information block and a third information block; when a first condition set is satisfied, transmitting a first bit block and a second bit block in a first time-frequency resource block, dropping transmitting the second bit block in a second time-frequency resource block, and dropping transmitting the second bit block in a third time-frequency resource block; and when the first condition set is not satisfied, drops transmitting the first bit block in the first time-frequency resource block, transmitting the second bit block in the second time-frequency resource block, and transmitting the second bit block in the third time-frequency resource block; transmitting a first reference signal, or receiving a first reference signal; transmitting a second reference signal, or receiving a second reference signal; wherein the first information block is used to indicate the first time-frequency resource block, and the first time-frequency resource block is reserved for the first bit block; the second information block is used to indicate the second time-frequency resource block and the third time-frequency resource block, and the second time-frequency resource block and the third time-frequency resource block are respectively reserved for two repetitions of the second bit block; the first time-frequency resource block overlaps with the second time-frequency resource block in time domain, and the first time-frequency resource block overlaps with the third time-frequency resource block in time domain; whether the first condition set is satisfied is used to determine whether to drop transmitting the first bit block in the first time-frequency resource block, the third information block is used to indicate a first index and a second index, the first index is used to indicate the first reference signal, and the second index is used to indicate the second reference signal; the first index is used to determine a spatial relation of the second time-frequency resource block, and the second index is used to determine a spatial relation of the third time-frequency resource block; the first condition set comprises: the first index is the same as the second index; the first index is a non-negative integer, and the second index is a non-negative integer; the first bit block comprises at least one bit, and the second bit block comprises at least one bit. ### Claim 12 (depends on 11) The method according to claim 11, wherein the first time-frequency resource block comprises M resource sub-blocks, spatial relations of the M resource sub-blocks are the same, M being a positive integer greater than 1. ### Claim 13 (depends on 11) The method according to claim 11, comprising: when the first condition set is satisfied, executing a first behavior; wherein the first behavior comprises: dividing the first time-frequency resource block into a first resource sub-block and a second resource sub-block with a first time as boundary; the first resource sub-block and the second resource sub-block are respectively used for two repetitions of a target bit block set, and the target bit block set comprises the first bit block and the second bit block; the first time belongs to time-domain resources occupied by the first time-frequency resource block, an end time of the first resource sub-block is not later than the first time, and a start time of the second resource sub-block is later than the first time. ### Claim 14 (depends on 13) The method according to claim 13, wherein an end time of the second time-frequency resource block is earlier than a start time of the third time-frequency resource block, the second time-frequency resource block overlaps with only the first resource sub-block in the first resource sub-block and the second resource sub-block in time domain, and the third time-frequency resource block overlaps with only the second resource sub-block in the first resource sub-block and the second resource sub-block in time domain; time-domain resources occupied by the second time-frequency resource block and time-domain resources occupied by the third time-frequency resource block are used to determine the first time; or, comprising: receiving a fourth information block; wherein the fourth information block is used to determine the first time; when the first condition set is satisfied, the first information block is used to indicate that the first behavior is executed. ### Claim 15 (depends on 11) The method according to claim 11, wherein comprising: receiving a first signal in a fourth time-frequency resource block; wherein the second information block is used to indicate the fourth time-frequency resource block, and the second bit block is used to indicate whether the first signal is correctly received. ### Claim 16 A method in a second node for wireless communications, comprising: transmitting a first information block, a second information block and a third information block; receiving a first reference signal, or transmitting a first reference signal; receiving a second reference signal, or transmitting a second reference signal; when a first condition set is satisfied, receiving a first bit block and a second bit block in a first time-frequency resource block, dropping receiving the second bit block in a second time-frequency resource block, and dropping receiving the second bit block in a third time-frequency resource block; and when the first condition set is not satisfied, dropping receiving the first bit block in the first time-frequency resource block, receiving the second bit block in the second time-frequency resource block, and receiving the second bit block in the third time-frequency resource block; wherein the first information block is used to indicate the first time-frequency resource block, and the first time-frequency resource block is reserved for the first bit block; the second information block is used to indicate the second time-frequency resource block and the third time-frequency resource block, and the second time-frequency resource block and the third time-frequency resource block are respectively reserved for two repetitions of the second bit block; the first time-frequency resource block overlaps with the second time-frequency resource block in time domain, and the first time-frequency resource block overlaps with the third time-frequency resource block in time domain; whether the first condition set is satisfied is used to determine whether to drop receiving the first bit block in the first time-frequency resource block, the third information block is used to indicate a first index and a second index, the first index is used to indicate the first reference signal, and the second index is used to indicate the second reference signal: the first index is used to determine a spatial relation of the second time-frequency resource block, and the second index is used to determine a spatial relation of the third time-frequency resource block; the first condition set comprises: the first index is the same as the second index; the first index is a non-negative integer, and the second index is a non-negative integer; the first bit block comprises at least one bit, and the second bit block comprises at least one bit. ### Claim 17 (depends on 16) The method according to claim 16, wherein the first time-frequency resource block comprises M resource sub-blocks, spatial relations of the M resource sub-blocks are the same, M being a positive integer greater than 1. ### Claim 18 (depends on 16) The method according to claim 16, comprising: when the first condition set is satisfied, executing a first behavior; wherein the first behavior comprises: dividing the first time-frequency resource block into a first resource sub-block and a second resource sub-block with a first time as boundary; the first resource sub-block and the second resource sub-block are respectively used for two repetitions of a target bit block set, and the target bit block set comprises the first bit block and the second bit block; the first time belongs to time-domain resources occupied by the first time-frequency resource block, an end time of the first resource sub-block is not later than the first time, and a start time of the second resource sub-block is later than the first time. ### Claim 19 (depends on 18) The method according to claim 18, wherein an end time of the second time-frequency resource block is earlier than a start time of the third time-frequency resource block, the second time-frequency resource block overlaps with only the first resource sub-block in the first resource sub-block and the second resource sub-block in time domain, and the third time-frequency resource block overlaps with only the second resource sub-block in the first resource sub-block and the second resource sub-block in time domain; time-domain resources occupied by the second time-frequency resource block and time-domain resources occupied by the third time-frequency resource block are used to determine the first time; or, comprising: transmitting a fourth information block; wherein the fourth information block is used to determine the first time; when the first condition set is satisfied, the first information block is used to indicate that the first behavior is executed. ### Claim 20 (depends on 16) The method according to claim 16, comprising: transmitting a first signal in a fourth time-frequency resource block; wherein the second information block is used to indicate the fourth time-frequency resource block, and the second bit block is used to indicate whether the first signal is correctly received.