# US 12,015,953 B2 · Early resource reservation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,015,953 B2 - Document ID: US12015953B2 - Status: Granted - Kind: B2 - Application number: 18/179,173 - Filed: 2023-03-06 - Published: 2023-09-07 - Granted: 2024-06-18 - Earliest claimed: 2019-05-13 - Assignees: QUALCOMM Incorporated - Applicants: Qualcomm Incorporated - Inventors: Tien Viet Nguyen; Sudhir Kumar Baghel; Shailesh Patil; Arjun Bharadwaj; Kapil Gulati - Web page: https://patentgrep.com/patent/US12015953B2 ## CPC - H04W 28/26: Resource reservation - H04W 72/02: Selection of wireless resources by user or terminal - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/56: based on priority criteria - H04W 74/0816: with collision avoidance - H04W 92/18: between terminal devices - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine whether sufficient resources are available to perform a transmission in a current slot. The UE may transmit the transmission in the current slot, transmit an early reservation signal for a future resource, or determine whether sufficient resources are available to perform the transmission in a subsequent slot based at least in part on a probability-based determination and based at least in part on whether sufficient resources are available to perform the transmission in the current slot. Numerous other aspects are provided. ## Claims ### Claim 1 A method of wireless communication performed by a user equipment (UE), comprising: determining whether sufficient resources are available to perform a transmission in a current slot or a subsequent slot and whether sufficient resources are available to transmit an early reservation signal for a future resource in the current slot; and transmitting, based at least in part on whether sufficient resources are available to perform the transmission in the current slot or the subsequent slot and whether sufficient resources are available to transmit the early reservation signal, at least one of: the transmission in the current slot or the subsequent slot, or the early reservation signal for the future resource. ### Claim 2 (depends on 1) The method of claim 1, wherein at least one of: the transmission is transmitted in the current slot based at least in part on a first probability, the transmission is transmitted in the subsequent slot based at least in part on a second probability, or the early reservation signal is transmitted based at least in part on a third probability. ### Claim 3 (depends on 2) The method of claim 2, wherein at least one of the first probability, the second probability, or the third probability is based on at least one of: a wait time until the subsequent slot, a priority level of the transmission, or a remaining delay budget associated with the transmission. ### Claim 4 (depends on 2) The method of claim 2, wherein a sum of at least two of the first probability, the second probability, and the third probability equals one. ### Claim 5 (depends on 1) The method of claim 1, wherein determining whether sufficient resources are available to perform the transmission in the current slot or the subsequent slot and whether sufficient resources are available to transmit the early reservation signal for the future resource in the current slot comprises: determining that there are sufficient resources available to perform the transmission in the current slot and that there are sufficient resources available to transmit the early reservation signal for the future resource in the current slot, and wherein: the transmission is transmitted in the current slot, the transmission is transmitted in the subsequent slot, and the early reservation signal is transmitted. ### Claim 6 (depends on 1) The method of claim 1, wherein determining whether sufficient resources are available to perform the transmission in the current slot or the subsequent slot and whether sufficient resources are available to transmit the early reservation signal for the future resource in the current slot comprises: determining that there are not sufficient resources available to perform the transmission in the current slot and that there are sufficient resources available to transmit the early reservation signal for the future resource in the current slot, wherein the early reservation signal is transmitted, and the method further comprising: waiting until the subsequent slot for transmitting the transmission in the subsequent slot. ### Claim 7 (depends on 1) The method of claim 1, wherein the transmission comprises a data communication. ### Claim 8 (depends on 1) The method of claim 1, wherein the transmission is associated with a vehicle-to-anything (V2X) communication. ### Claim 9 A user equipment (UE) for wireless communication, comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to: determine whether sufficient resources are available to perform a transmission in a current slot or a subsequent slot and whether sufficient resources are available to transmit an early reservation signal for a future resource in the current slot; and transmit, based at least in part on whether sufficient resources are available to perform the transmission in the current slot or the subsequent slot and whether sufficient resources are available to transmit the early reservation signal, at least one of: the transmission in the current slot or the subsequent slot, or the early reservation signal for the future resource. ### Claim 10 (depends on 9) The UE of claim 9, wherein at least one of: the transmission is transmitted in the current slot based at least in part on a first probability, the transmission is transmitted in the subsequent slot based at least in part on a second probability, or the early reservation signal is transmitted based at least in part on a third probability. ### Claim 11 (depends on 10) The UE of claim 10, wherein at least one of the first probability, the second probability, or the third probability is based on at least one of: a wait time until the subsequent slot, a priority level of the transmission, or a remaining delay budget associated with the transmission. ### Claim 12 (depends on 10) The UE of claim 10, wherein a sum of at least two of the first probability, the second probability, and the third probability equals one. ### Claim 13 (depends on 9) The UE of claim 9, wherein the one or more processors, to determine whether sufficient resources are available to perform the transmission in the current slot or the subsequent slot and whether sufficient resources are available to transmit the early reservation signal for the future resource in the current slot, are configured to: determine that there are sufficient resources available to perform the transmission in the current slot and that there are sufficient resources available to transmit the early reservation signal for the future resource in the current slot, and wherein: the transmission is transmitted in the current slot, the transmission is transmitted in the subsequent slot, and the early reservation signal is transmitted. ### Claim 14 (depends on 9) The UE of claim 9, wherein the one or more processors, to determine whether sufficient resources are available to perform the transmission in the current slot or the subsequent slot and whether sufficient resources are available to transmit the early reservation signal for the future resource in the current slot, are configured to: determine that there are not sufficient resources available to perform the transmission in the current slot and that there are sufficient resources available to transmit the early reservation signal for the future resource in the current slot, wherein the early reservation signal is transmitted, and the one or more processors are further configured to: wait until the subsequent slot for transmitting the transmission in the subsequent slot. ### Claim 15 (depends on 9) The UE of claim 9, wherein the transmission comprises a data communication. ### Claim 16 (depends on 9) The UE of claim 9, wherein the transmission is associated with a vehicle-to-anything (V2X) communication. ### Claim 17 A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising: one or more instructions that, when executed by one or more processors of a user equipment (UE), cause the UE to: determine whether sufficient resources are available to perform a transmission in a current slot or a subsequent slot and whether sufficient resources are available to transmit an early reservation signal for a future resource in the current slot; and transmit, based at least in part on whether sufficient resources are available to perform the transmission in the current slot or the subsequent slot and whether sufficient resources are available to transmit the early reservation signal, at least one of: the transmission in the current slot or the subsequent slot, or the early reservation signal for the future resource. ### Claim 18 (depends on 17) The non-transitory computer-readable medium of claim 17, wherein at least one of: the transmission is transmitted in the current slot based at least in part on a first probability, the transmission is transmitted in the subsequent slot based at least in part on a second probability, or the early reservation signal is transmitted based at least in part on a third probability. ### Claim 19 (depends on 18) The non-transitory computer-readable medium of claim 18, wherein at least one of the first probability, the second probability, or the third probability is based on at least one of: a wait time until the subsequent slot, a priority level of the transmission, or a remaining delay budget associated with the transmission. ### Claim 20 (depends on 18) The non-transitory computer-readable medium of claim 18, wherein a sum of at least two of the first probability, the second probability, and the third probability equals one. ### Claim 21 (depends on 17) The non-transitory computer-readable medium of claim 17, wherein the one or more instructions, that cause the UE to determine whether sufficient resources are available to perform the transmission in the current slot or the subsequent slot and whether sufficient resources are available to transmit the early reservation signal for the future resource in the current slot, cause the UE to: determine that there are sufficient resources available to perform the transmission in the current slot and that there are sufficient resources available to transmit the early reservation signal for the future resource in the current slot, and wherein: the transmission is transmitted in the current slot, the transmission is transmitted in the subsequent slot, and the early reservation signal is transmitted. ### Claim 22 (depends on 17) The non-transitory computer-readable medium of claim 17, wherein the one or more instructions, that cause the UE to determine whether sufficient resources are available to perform the transmission in the current slot or the subsequent slot and whether sufficient resources are available to transmit the early reservation signal for the future resource in the current slot, cause the UE to: determine that there are not sufficient resources available to perform the transmission in the current slot and that there are sufficient resources available to transmit the early reservation signal for the future resource in the current slot, wherein the early reservation signal is transmitted, and wherein the one or more instructions that, when executed by the one or more processors of the UE, further cause the UE to: wait until the subsequent slot for transmitting the transmission in the subsequent slot. ### Claim 23 (depends on 17) The non-transitory computer-readable medium of claim 17, wherein the transmission comprises a data communication. ### Claim 24 (depends on 17) The non-transitory computer-readable medium of claim 17, wherein the transmission is associated with a vehicle-to-anything (V2X) communication. ### Claim 25 An apparatus for wireless communication, comprising: means for determining whether sufficient resources are available to perform a transmission in a current slot or a subsequent slot and whether sufficient resources are available to transmit an early reservation signal for a future resource in the current slot; and means for transmitting, based at least in part on whether sufficient resources are available to perform the transmission in the current slot or the subsequent slot and whether sufficient resources are available to transmit the early reservation signal, at least one of: the transmission in the current slot or the subsequent slot, or the early reservation signal for the future resource. ### Claim 26 (depends on 25) The apparatus of claim 25, wherein at least one of: the transmission is transmitted in the current slot based at least in part on a first probability, the transmission is transmitted in the subsequent slot based at least in part on a second probability, or the early reservation signal is transmitted based at least in part on a third probability. ### Claim 27 (depends on 26) The apparatus of claim 26, wherein at least one of the first probability, the second probability, or the third probability is based on at least one of: a wait time until the subsequent slot, a priority level of the transmission, or a remaining delay budget associated with the transmission. ### Claim 28 (depends on 25) The apparatus of claim 25, wherein the means for determining whether sufficient resources are available to perform the transmission in the current slot or the subsequent slot and whether sufficient resources are available to transmit the early reservation signal for the future resource in the current slot comprises: means for determining that there are sufficient resources available to perform the transmission in the current slot and that there are sufficient resources available to transmit the early reservation signal for the future resource in the current slot, and wherein: the transmission is transmitted in the current slot, the transmission is transmitted in the subsequent slot, and the early reservation signal is transmitted. ### Claim 29 (depends on 25) The apparatus of claim 25, wherein the means for determining whether sufficient resources are available to perform the transmission in the current slot or the subsequent slot and whether sufficient resources are available to transmit the early reservation signal for the future resource in the current slot comprises: means for determining that there are not sufficient resources available to perform the transmission in the current slot and that there are sufficient resources available to transmit the early reservation signal for the future resource in the current slot, wherein the early reservation signal is transmitted, and the apparatus further comprising: means for waiting until the subsequent slot for transmitting the transmission in the subsequent slot.