# US 12,193,046 B2 · Method and device in nodes used 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 12,193,046 B2 - Document ID: US12193046B2 - Status: Granted - Kind: B2 - Application number: 17/524,754 - Filed: 2021-11-12 - Published: 2022-04-14 - Granted: 2025-01-07 - Earliest claimed: 2019-06-05 - Assignees: Shanghai Langbo Communication Technology Company Limited - Applicants: Jin Liu; Xiaobo Zhang - Inventors: Jin Liu; Xiaobo Zhang - Web page: https://patentgrep.com/patent/US12193046B2 ## CPC - H04W 72/56: based on priority criteria - H04W 72/569: {of the traffic information} - H04L 1/18: Automatic repetition systems, e.g. Van Duuren systems - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 74/006: {in the downlink, i.e. towards the terminal} - H04W 72/02: Selection of wireless resources by user or terminal - H04W 72/044: based on the type of the allocated resource - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A method and a device in nodes used for wireless communications are disclosed in the present disclosure. A first node receives a first signaling; the first signaling is used to indicate a first priority, a first parameter and a first radio resource block; the first parameter is used to indicate whether the first radio resource block is to be reserved for an initial transmission; and the first priority and the first parameter are jointly used to determine whether the first radio resource block can be occupied. The present disclosure improves the success rate of correct reception of retransmitted data, thereby ensuring the requests for delay in sidelink transmission. ## Claims ### Claim 1 A method in a first node for wireless communications, comprising: receiving a first signaling, the first signaling being used to indicate a first priority, a first parameter and a first radio resource block; determining a first advancement priority; wherein the first parameter is used to indicate whether the first radio resource block is to be reserved for an initial transmission, and the first priority and the first parameter are jointly used to determine whether the first radio resource block can be occupied by the first node; the first advancement priority is linear with the first priority and a first priority offset; the first parameter is used to determine the first priority offset; the first advancement priority is used to determine a first threshold. ### Claim 2 (depends on 1) The method according to claim 1, comprising: determining a first threshold offset; wherein the first threshold is linear with a first reference threshold and a first threshold offset; the first priority is used to determine the first reference threshold, and the first parameter is used to determine the first threshold offset. ### Claim 3 (depends on 1) The method according to claim 1, comprising: receiving first configuration information, the first configuration information being used to indicate a second priority; wherein the first priority and the second priority are jointly used to determine the first threshold; the first threshold is used to determine whether the first radio resource block can be occupied. ### Claim 4 (depends on 2) The method according to claim 2, comprising: receiving first configuration information, the first configuration information being used to indicate a second priority; wherein the first priority and the second priority are jointly used to determine the first threshold; the first threshold is used to determine whether the first radio resource block can be occupied. ### Claim 5 (depends on 3) The method according to claim 3, comprising: transmitting a second radio signal on the first radio resource block in cases when the first radio resource block can be occupied. ### Claim 6 A method in a second node for wireless communications, comprising: transmitting a first signaling, the first signaling being used to indicate a first priority, a first parameter and a first radio resource block; a first advancement priority is used to determine a first threshold; wherein the first parameter is used to indicate whether the first radio resource block is to be reserved for an initial transmission, and the first priority and the first parameter are jointly used to determine whether the first radio resource block can be occupied by a receiver of the first signaling; the first advancement is linear with the first priority and the first priority offset; the first parameter is used to determine the first priority offset; or, wherein a first threshold is linear with a first reference threshold and a first threshold offset; the first priority is used to determine the first reference threshold; the first parameter is used to determine the first threshold offset. ### Claim 7 (depends on 6) The method according to claim 6, wherein the first priority and the second priority are jointly used to determine the first threshold; the first threshold is used to determine whether the first radio resource block can be occupied; the second priority is indicated by first configuration information. ### Claim 8 (depends on 6) The method according to claim 6, comprising: transmitting a first radio signal on the first radio resource block; wherein a first bit block is used to generate the first radio signal; the first parameter indicates whether the first radio signal is an initial transmission of the first bit block. ### Claim 9 A first node for wireless communications, comprising: a first receiver, receiving a first signaling, the first signaling being used to indicate a first priority, a first parameter and a first radio resource block; the first receiver, determining a first advancement priority; wherein the first parameter is used to indicate whether the first radio resource block is to be reserved for an initial transmission, and the first priority and the first parameter are jointly used to determine whether the first radio resource block can be occupied by the first node; the first advancement priority is linear with the first priority and a first priority offset; the first parameter is used to determine the first priority offset; the first advancement priority is used to determine a first threshold. ### Claim 10 (depends on 9) The first node according to claim 9, comprising: the first receiver, determining a first threshold offset; wherein the first threshold is linear with a first reference threshold and a first threshold offset; the first priority is used to determine the first reference threshold, and the first parameter is used to determine the first threshold offset. ### Claim 11 (depends on 9) The first node according to claim 9, comprising: a second receiver, receiving first configuration information, the first configuration information being used to indicate a second priority; wherein the first priority and the second priority are jointly used to determine the first threshold; the first threshold is used to determine whether the first radio resource block can be occupied. ### Claim 12 (depends on 10) The first node according to claim 10, comprising: a second receiver, receiving first configuration information, the first configuration information being used to indicate a second priority; wherein the first priority and the second priority are jointly used to determine the first threshold; the first threshold is used to determine whether the first radio resource block can be occupied. ### Claim 13 (depends on 12) The first node according to claim 12, comprising: a first transmitter, transmitting a second radio signal on the first radio resource block in cases when the first radio resource block can be occupied. ### Claim 14 A second node for wireless communications, comprising: a second transmitter, transmitting a first signaling, the first signaling being used to indicate a first priority, a first parameter and a first radio resource block; a first advancement priority is used to determine a first threshold; wherein the first parameter is used to indicate whether the first radio resource block is to be reserved for an initial transmission, and the first priority and the first parameter are jointly used to determine whether the first radio resource block can be occupied by a receiver of the first signaling; the first advancement is linear with the first priority and the first priority offset; the first parameter is used to determine the first priority offset; or, wherein a first threshold is linear with a first reference threshold and a first threshold offset; the first priority is used to determine the first reference threshold; the first parameter is used to determine the first threshold offset. ### Claim 15 (depends on 14) The second node according to claim 14, wherein the first priority and the second priority are jointly used to determine the first threshold; the first threshold is used to determine whether the first radio resource block can be occupied; the second priority is indicated by first configuration information. ### Claim 16 (depends on 15) The second node according to claim 15, comprising: the second transmitter, transmitting a first radio signal on the first radio resource block; wherein a first bit block is used to generate the first radio signal; the first parameter indicates whether the first radio signal is an initial transmission of the first bit block.