Uplink data transmission method and apparatus
An uplink data transmission method and an apparatus include or relate to a terminal device which determines, based on indication information of a network device, a time-frequency resource corresponding to a random access resource, or a part of a time frequency resource in the random access resource, to directly transmit uplink data. Configuration information of a time-frequency resource for random access may be reused for configuration information of the time-frequency resource, so that signaling overheads are reduced and a resource utilization is improved.
1. An uplink data transmission method comprising:
receiving first indication information from a network device;
determining a first uplink time-frequency resource based on the first indication information and configuration information of a second uplink time-frequency resource, wherein the first uplink time-frequency resource is a time-frequency resource of an uplink data channel, and the second uplink time-frequency resource is for random access; and
sending uplink data to the network device on a third uplink time-frequency resource, wherein the third uplink time-frequency resource is a part or all of the first uplink time-frequency resource;
wherein the first indication information comprises an offset value, and the offset value is a time-domain offset value or a frequency-domain offset value of the first uplink time-frequency resource relative to the second uplink time-frequency resource; and
wherein the first indication information further comprises configuration information of the first uplink time-frequency resource, and the determining of the first uplink time-frequency resource based on the first indication information and the configuration information of the second uplink time-frequency resource comprises:
determining the first uplink time-frequency resource based on the offset value, the configuration information of the first uplink time-frequency resource, and the configuration information of the second uplink time-frequency resource.
2. The method according to claim 1 , wherein
the second uplink time-frequency resource is a physical uplink shared channel occasion, and the physical uplink shared channel occasion is configured to carry uplink data.
3. The method according to claim 1 , wherein
the second uplink time-frequency resource is a physical random access channel occasion, and the physical random access channel occasion is configured to carry a random access preamble.
4. The method according to claim 1 , wherein the configuration information of the first uplink time-frequency resource is a quantity of time-division multiplexed physical uplink shared channel (PUSCH) resources in each of consecutive slots in which the first uplink time-frequency resource is located.
5. An apparatus comprising:
one or more processors; and
a memory having instructions stored thereon that, when executed by the one or more processors, cause the apparatus to at least be configured to:
receive first indication information from a network device;
determine a first uplink time-frequency resource based on the first indication information and configuration information of a second uplink time-frequency resource, wherein the first uplink time-frequency resource is a time-frequency resource of an uplink data channel, and the second uplink time-frequency resource is configured for random access; and
send uplink data to the network device on a third uplink time-frequency resource, wherein the third uplink time-frequency resource is a part or all of the first uplink time-frequency resource;
wherein the first indication information comprises an offset value, and the offset value is a time-domain offset value or a frequency-domain offset value of the first uplink time-frequency resource relative to the second uplink time-frequency resource;
wherein the first indication information further comprises configuration information of the first uplink time-frequency resource; and
wherein in order to determine the first uplink time-frequency resource based on the first indication information and the configuration information of the second uplink time-frequency resource, the apparatus is further configured to determine the first uplink time-frequency resource based on the offset value, the configuration information of the first uplink time-frequency resource, and the configuration information of the second uplink time-frequency resource.
6. The apparatus according to claim 5 , wherein the second uplink time-frequency resource is a physical uplink shared channel occasion, and the physical uplink shared channel occasion is configured to carry uplink data.
7. The apparatus according to claim 5 , wherein the second uplink time-frequency resource is a physical random access channel occasion, and the physical random access channel occasion is configured to carry a random access preamble.
8. The apparatus according to claim 5 , wherein the configuration information of the first uplink time-frequency resource is a quantity of time-division multiplexed physical uplink shared channel (PUSCH) resources in each of consecutive slots in which the first uplink time-frequency resource is located.
9. A non-transitory computer readable medium storing instructions that, when executed by one or more processors, instructs the one or more processors to perform operations of the uplink data transmission method of claim 1 .
10. The non-transitory computer readable medium according to claim 9 , wherein the second uplink time-frequency resource is a physical uplink shared channel occasion, and the physical uplink shared channel occasion is configured to carry uplink data.
11. The non-transitory computer readable medium according to claim 9 , wherein the second uplink time-frequency resource is a physical random access channel occasion, and the physical random access channel occasion is configured to carry a random access preamble.
12. The non-transitory computer readable medium according to claim 9 , wherein the configuration information of the first uplink time-frequency resource is a quantity of time-division multiplexed physical uplink shared channel (PUSCH) resources in each of consecutive slots in which the first uplink time-frequency resource is located.
13. An uplink data transmission method comprising:
receiving first indication information from a network device;
determining a first uplink time-frequency resource based on the first indication information and configuration information of a second uplink time-frequency resource, wherein the first uplink time-frequency resource is a time-frequency resource of an uplink data channel, and the second uplink time-frequency resource is for random access; and
sending uplink data to the network device on a third uplink time-frequency resource, wherein the third uplink time-frequency resource is a part or all of the first uplink time-frequency resource;
wherein the first indication information comprises an offset value, and the offset value is a time-domain offset value or a frequency-domain offset value of the first uplink time-frequency resource relative to the second uplink time-frequency resource;
wherein the second uplink time-frequency resource is a physical random access channel occasion, and the physical random access channel occasion is configured to carry a random access preamble;
wherein the determining of the first uplink time-frequency resource based on the first indication information and the configuration information of the second uplink time-frequency resource comprises:
determining the first uplink time-frequency resource based on the offset value, the configuration information of the second uplink time-frequency resource, and configuration information of a physical uplink shared channel occasion.
14. The method according to claim 13 , wherein the configuration information of the physical uplink shared channel occasion is reused for other parameters of the first uplink time-frequency resource.