Resource determining method and apparatus, electronic device, storage medium, and vehicle
A resource determining method and apparatus, an electronic device, a storage medium, a program product, and a vehicle are provided, which are relate to interference listening and avoidance technologies of collaborative radars, and include: determining a first listening result of a first time-frequency resource set; when the first listening result meets a first congestion condition, reducing a time-frequency occupation ratio and/or transmit power of a first target detection signal to obtain a second target detection signal, wherein the first congestion condition includes: a congestion degree of any time-frequency resource in a second time-frequency resource set is greater than a first threshold, and the second time-frequency resource set is included in the first time-frequency resource set; and detecting a target based on the second target detection signal.
1 . A non-transitory computer-readable medium storing instructions that, when executed by one or more processors, cause the one or more processors to perform a resource determining method applied to an electronic device, the method comprising:
determining a first listening result of a first time-frequency resource set;
based on the first listening result meeting a first congestion condition, the method further comprising:
reducing a time-frequency occupation ratio and/or transmit power of a first target detection signal to obtain a second target detection signal, wherein the first congestion condition comprises: a congestion degree of any time-frequency resource in a second time-frequency resource set is greater than a first threshold, and the second time-frequency resource set is comprised in the first time-frequency resource set; and
detecting a target based on the second target detection signal; and
based on the first listening result not meeting the first congestion condition, the method further comprising:
determining a second listening result based on a third time-frequency resource set and a second listening signal, wherein the second listening signal comprises at least two waveforms, a congestion degree of any time-frequency resource in the third time-frequency resource set is greater than a second threshold and less than the first threshold, and the third time-frequency resource set is comprised in the first time-frequency resource set;
determining, based on the second listening result, a waveform that is least interfered with among the at least two waveforms; and
determining, based on the waveform that is least interfered with, a detection signal used to detect the target.
2 . The non-transitory computer-readable medium according to claim 1 , causing the one or more processors to perform the method that further comprises:
determining whether the first listening result meets a second congestion condition, wherein
the second congestion condition comprises: a congestion degree of any time-frequency resource in the first time-frequency resource set is greater than the second threshold.
3 . The non-transitory computer-readable medium according to claim 1 , causing the one or more processors to perform the method that further comprises:
determining a first listening signal; and
wherein the determining the first listening result of the first time-frequency resource set comprises: generating the first listening result based on the first time-frequency resource set and the first listening signal, wherein
the first listening signal comprises a plurality of waveforms, and signal models of the plurality of waveforms are different.
4 . The non-transitory computer-readable medium according to claim 3 , wherein the signal models comprise frequency modulation slopes and/or system types of the plurality of waveforms.
5 . The non-transitory computer-readable medium according to claim 4 , wherein density of the plurality of waveforms in a time-frequency resource area corresponding to the first time-frequency resource set is greater than a preset density threshold.
6 . The non-transitory computer-readable medium according to claim 5 , wherein the density comprises time density and/or frequency density, the preset density threshold comprises a time density threshold and/or a frequency density threshold, and
wherein the density of the plurality of waveforms in the time-frequency resource area corresponding to the first time-frequency resource set is greater than the preset density threshold is satisfied by at least one of:
the time density is greater than the time density threshold; or
the frequency density is greater than the frequency density threshold.
7 . The non-transitory computer-readable medium according to claim 5 , wherein a signal model of at least one of the plurality of waveforms changes with time.
8 . The non-transitory computer-readable medium according to claim 1 , wherein the time-frequency occupation ratio comprises a duty cycle of the first target detection signal in time and/or an occupation ratio of the first target detection signal in frequency.
9 . The non-transitory computer-readable medium according to claim 1 , causing the one or more processors to perform the method that further comprises:
selecting at least some time-frequency resources from the first time-frequency resource set according to a preset selection rule, to determine the second time-frequency resource set, wherein
the selection rule comprises: at least some time-frequency resources are selected from the first time-frequency resource set based on a preset selection parameter, and a congestion degree of any selected time-frequency resource is less than a congestion degree of an unselected time-frequency resource.
10 . An apparatus comprising:
a memory configured to store instructions; and
a processor coupled to the memory and configured to execute the instructions to cause the apparatus to:
determine a first listening result of a first time-frequency resource set;
based on the first listening result meeting a first congestion condition, the apparatus further configured to:
reduce a time-frequency occupation ratio and/or transmit power of a first target detection signal to obtain a second target detection signal, wherein the first congestion condition comprises: a congestion degree of any time-frequency resource in a second time-frequency resource set is greater than a first threshold, and the second time-frequency resource set is comprised in the first time-frequency resource set; and
detect a target based on the second target detection signal, and
based on the first listening result not meeting the first congestion condition, the apparatus further configured to:
determine a second listening result based on a third time-frequency resource set and a second listening signal, wherein the second listening signal comprises at least two waveforms, a congestion degree of any time-frequency resource in the third time-frequency resource set is greater than a second threshold and less than the first threshold, and the third time-frequency resource set is comprised in the first time-frequency resource set;
determine, based on the second listening result, a waveform that is least interfered with among the at least two waveforms; and
determine, based on the waveform that is least interfered with, a detection signal used to detect the target.
11 . The apparatus according to claim 10 , wherein the instructions further cause the apparatus to:
determine whether the first listening result meets a second congestion condition, wherein
the second congestion condition comprises: a congestion degree of any time-frequency resource in the first time-frequency resource set is greater than the second threshold.
12 . The apparatus according to claim 10 , wherein the instructions further cause the apparatus to:
determine a first listening signal; and
wherein the determining the first listening result of the first time-frequency resource set comprises: generating the first listening result based on the first time-frequency resource set and the first listening signal, wherein
the first listening signal comprises a plurality of waveforms, and signal models of the plurality of waveforms are different.
13 . The apparatus according to claim 12 , wherein the signal models comprise frequency modulation slopes and/or system types of the plurality of waveforms.
14 . The apparatus according to claim 13 , wherein density of the plurality of waveforms in a time-frequency resource area corresponding to the first time-frequency resource set is greater than a preset density threshold.
15 . The apparatus according to claim 14 , wherein the density comprises time density and/or frequency density, the preset density threshold comprises a time density threshold and/or a frequency density threshold, and
wherein the density of the plurality of waveforms in the time-frequency resource area corresponding to the first time-frequency resource set is greater than the preset density threshold is satisfied by at least one of:
the time density is greater than the time density threshold; or
the frequency density is greater than the frequency density threshold.
16 . The apparatus according to claim 13 , wherein a signal model of at least one of the plurality of waveforms changes with time.
17 . The apparatus according to claim 10 , wherein the time-frequency occupation ratio comprises a duty cycle of the first target detection signal in time and/or an occupation ratio of the first target detection signal in frequency.
18 . The apparatus according to claim 10 , further configured to:
select at least some time-frequency resources from the first time-frequency resource set according to a preset selection rule, to determine the second time-frequency resource set, wherein
the selection rule comprises: at least some time-frequency resources are selected from the first time-frequency resource set based on a preset selection parameter, and a congestion degree of any selected time-frequency resource is less than a congestion degree of an unselected time-frequency resource.