Patent US10517072 Z-ARCHIVE-V2X Communication

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Patent US10517072

Issued 2019-12-24

Autonomous Resource Selection For Vehicle-to-vehicle Communications

Various aspects related to selecting a resource selection procedure for V2V communications are described. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus for selecting a resource selection procedure for V2V transmissions, is described. The apparatus, e.g., a UE, may be configured to identify that recent sensing history information at the UE is unavailable for a sensing based resource selection procedure. The UE may be further configured to select, in response to identifying that the recent sensing history information is unavailable, a resource selection procedure based on configuration information obtained from a network entity. In various configurations, the UE may select a resource for a V2V transmission based on the resource selection procedure selected based on the configuration information.

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4 Independent Claims

1. A method of vehicle-to-vehicle (V2V) communications by a user equipment (UE), comprising: determining if sensing history information is available at the UE for a sensing based resource selection procedure, the sensing history information comprising sensing data for a predefined prior time period; and selecting, in response to determining that the sensing history information is unavailable, a resource selection procedure based on configuration information obtained from a network entity in communication with the UE, wherein selecting the resource selection procedure based on the configuration information comprises selecting a random resource selection procedure, wherein the random resource selection procedure comprises: generating a pseudorandom number; and identifying a resource for the V2V communications based on the generated pseudorandom number, wherein the pseudorandom number is generated using a randomization function, and wherein a seed for the randomization function and a time at which resource selection occurs are used as inputs to the randomization function.
15. A user equipment (UE) for vehicle-to-vehicle (V2V) communications, comprising: means for determining if sensing history information is available at the UE for a sensing based resource selection procedure, the sensing history information comprising sensing data for a predefined prior time period; and means for selecting, in response to determining that the sensing history information is unavailable, a resource selection procedure based on configuration information obtained from a network entity in communication with the UE, wherein the means for selecting the resource selection procedure based on the configuration information is configured to select a random resource selection procedure, and wherein the UE further comprises: means for performing the random resource selection procedure, the means for performing the random resource selection procedure being configured to generate a pseudorandom number and identify a resource for the V2V communications based on the generated pseudorandom number, the pseudorandom number being generated using a randomization function, a seed for the randomization function and a time at which resource selection occurs being used as inputs to the randomization function.
24. A user equipment (UE) for vehicle-to-vehicle (V2V) communications, comprising: a memory; and at least one processor coupled to the memory and configured to: determine if sensing history information is available at the UE for a sensing based resource selection, the sensing history information comprising sensing data for a predefined prior time period; and wherein the at least one processor is further configured to: perform the random resource selection procedure, wherein as part of being configured to perform the random resource selection procedure, the at least one processor is further configured to generate a pseudorandom number and identify a resource for the V2V communications based on the generated pseudorandom number, the pseudorandom number being generated using a randomization function, a seed for the randomization function and a time at which resource selection occurs being used as inputs to the randomization function.
30. A non-transitory computer-readable medium storing computer executable code for vehicle-to-vehicle (V2V) communications by a user equipment (UE), comprising code to: determine if sensing history information is unavailable for a predefined prior time period at the UE for a sensing based resource selection procedure, the sensing history information comprising sensing data for a predefined prior time period; and select, in response to determining that the sensing history information is available, a resource selection procedure based on configuration information obtained from a network entity in communication with the UE, wherein the resource selection procedure based on the configuration information selects a random resource selection procedure; and further comprising code to: generate a pseudorandom number; and identify a resource for the V2V communications based on the generated pseudorandom number, wherein the pseudorandom number is generated using a randomization function, and wherein a seed for the randomization function and a time at which resource selection occurs are used as inputs to the randomization function.