Signal transmission method and related apparatus
Example signal transmission methods, apparatuses, systems, and computer storage media are disclosed. One example method includes obtaining, by a first detection apparatus, a first moment, where the first moment is a start moment of a first time unit, and the first time unit is used for the first detection apparatus to send a first signal. The first signal is sent by the first detection apparatus based on a first periodicity, where the first signal is used to indicate sending resource information of a detection signal, and the first time unit is further used for a second detection apparatus to receive the first signal.
1. A signal transmission method, wherein the method comprises:
obtaining, by a first detection apparatus, a first moment, wherein the first moment is a start moment of a first time unit, and the first time unit is used for the first detection apparatus to send a first signal; and
sending, by the first detection apparatus, the first signal based on a first periodicity, wherein:
the first signal is used to indicate sending resource information of a detection signal,
the first time unit is further used for a second detection apparatus to receive the first signal,
the first periodicity is a periodicity in which the second detection apparatus receives the first signal, and
the first periodicity is a common multiple of a second periodicity and a third periodicity, wherein the second periodicity is a periodicity in which the first detection apparatus sends the detection signal, and the third periodicity is a periodicity in which the second detection apparatus sends a second detection signal.
2. The method according to claim 1 , wherein:
the first periodicity is a positive integer multiple of a periodicity in which the first detection apparatus sends the detection signal.
3. The method according to claim 1 , wherein the method further comprises sending, by the first detection apparatus, the first signal in a second time unit, and the second time unit is comprised in the first time unit.
4. The method according to claim 1 , wherein the first time unit does not overlap a time unit in which the first detection apparatus sends the detection signal.
5. The method according to claim 1 , wherein if a sending resource of the first signal overlaps a sending resource of the detection signal, the method further comprises:
sending, by the first detection apparatus, the first signal, wherein the detection signal is not sent by the first detection apparatus; or
when a random number generated by the first detection apparatus is greater than a preset value, sending, by the first detection apparatus, the first signal, wherein the detection signal is not sent by the first detection apparatus.
6. The method according to claim 1 , wherein sending, by the first detection apparatus, the first signal based on the first periodicity comprises:
sending, by the first detection apparatus, the first signal based on the first periodicity and the first moment.
7. The method according to claim 1 , further comprising:
receiving, by the first detection apparatus and during the first time unit, a third signal from the second detection apparatus.
8. An apparatus, comprising:
one or more processors; and
a non-transitory computer readable medium storing a program comprising instructions that, when executed by the one or more processors, cause the apparatus to perform operations comprising:
obtaining, by a first detection apparatus, a first moment, wherein the first moment is a start moment of a first time unit, and the first time unit is used for the first detection apparatus to send a first signal; and
sending, by the first detection apparatus, the first signal based on a first periodicity, wherein;
the first signal is used to indicate sending resource information of a detection signal,
the first time unit is further used for a second detection apparatus to receive the first signal,
the first periodicity is a periodicity in which the second detection apparatus receives the first signal, and
the first periodicity is a common multiple of a second periodicity and a third periodicity, wherein the second periodicity is a periodicity in which the first detection apparatus sends the detection signal, and the third periodicity is a periodicity in which the second detection apparatus sends a second detection signal.
9. The apparatus according to claim 8 , wherein:
the first periodicity is a positive integer multiple of a periodicity in which the first detection apparatus sends the detection signal.
10. The apparatus according to claim 8 , wherein the operations further comprise sending, by the first detection apparatus, the first signal in a second time unit, and the second time unit is comprised in the first time unit.
11. The apparatus according to claim 8 , wherein the first time unit does not overlap a time unit in which the first detection apparatus sends the detection signal.
12. The apparatus according to claim 8 , wherein if a sending resource of the first signal overlaps a sending resource of the detection signal, the operations further comprise:
sending, by the first detection apparatus, the first signal, wherein the detection signal is not sent by the first detection apparatus; or
when a random number generated by the first detection apparatus is greater than a preset value, sending, by the first detection apparatus, the first signal, wherein the detection signal is not sent by the first detection apparatus.
13. The apparatus according to claim 8 , wherein sending, by the first detection apparatus, the first signal based on the first periodicity comprises:
sending, by the first detection apparatus, the first signal based on the first periodicity and the first moment.
14. The apparatus according to claim 8 , wherein the operations further comprise:
receiving, by the first detection apparatus and during the first time unit, a third signal from the second detection apparatus.
15. A computer storage medium storing one or more instructions executable by a computer system to perform operations comprising:
obtaining, by a first detection apparatus, a first moment, wherein the first moment is a start moment of a first time unit, and the first time unit is used for the first detection apparatus to send a first signal; and
sending, by the first detection apparatus, the first signal based on a first periodicity, wherein;
the first signal is used to indicate sending resource information of a detection signal,
the first time unit is further used for a second detection apparatus to receive the first signal,
the first periodicity is a periodicity in which the second detection apparatus receives the first signal, and
the first periodicity is a common multiple of a second periodicity and a third periodicity, wherein the second periodicity is a periodicity in which the first detection apparatus sends the detection signal, and the third periodicity is a periodicity in which the second detection apparatus sends a second detection signal.
16. The computer storage medium according to claim 15 , wherein:
the first periodicity is a positive integer multiple of a periodicity in which the first detection apparatus sends the detection signal.
17. The computer storage medium according to claim 15 , wherein the operations further comprise sending, by the first detection apparatus, the first signal in a second time unit, and the second time unit is comprised in the first time unit.
18. The computer storage medium according to claim 15 , wherein the first time unit does not overlap a time unit in which the first detection apparatus sends the detection signal.
19. The computer storage medium according to claim 15 , wherein if a sending resource of the first signal overlaps a sending resource of the detection signal, the operations further comprise:
sending, by the first detection apparatus, the first signal, wherein the detection signal is not sent by the first detection apparatus; or
when a random number generated by the first detection apparatus is greater than a preset value, sending, by the first detection apparatus, the first signal, wherein the detection signal is not sent by the first detection apparatus.
20. The computer storage medium according to claim 15 , wherein sending, by the first detection apparatus, the first signal based on the first periodicity comprises:
sending, by the first detection apparatus, the first signal based on the first periodicity and the first moment.
21. The computer storage medium according to claim 15 , wherein the operations further comprise:
receiving, by the first detection apparatus and during the first time unit, a third signal from the second detection apparatus.