Data transmission method and apparatus and user equipment
US-2021068084-A1 · Mar 4, 2021 · US
Information transmission method and terminal device
US12464571B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12464571-B2 |
| Application number | US-202117390219-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 30, 2021 |
| Priority date | Feb 1, 2019 |
| Publication date | Nov 4, 2025 |
| Grant date | Nov 4, 2025 |
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- Title
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Abstract
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An information transmission method includes: if a PRACH transmission occasion is valid and a PUSCH transmission occasion associated with the PRACH transmission occasion is valid, transmitting a PRACH corresponding to a random access message on the PRACH transmission occasion, and transmitting a PUSCH corresponding to the random access message on the PUSCH transmission occasion.
First claim
Opening claim text (preview).
What is claimed is: 1 . An information transmission method, applied to a terminal device, comprising: in a 2-step random access process, when a physical random access channel (PRACH) transmission occasion is valid and there is no valid physical uplink shared channel (PUSCH) transmission occasion associated with the PRACH transmission occasion, transmitting a PRACH corresponding to a random access message on the PRACH transmission occasion, and abandoning transmission for a PUSCH corresponding to the random access message; wherein the PRACH transmission occasion is valid when there is no conflict between a time domain resource where the PRACH transmission occasion is and downlink (DL) resource or DL transmission. 2 . The method according to claim 1 , wherein the terminal device works on an unlicensed frequency band; and the transmitting the PRACH corresponding to the random access message on the PRACH transmission occasion comprises: if a time interval between the PRACH transmission occasion and the PUSCH transmission occasion is greater than or equal to a preset time interval, transmitting the PRACH corresponding to the random access message on the PRACH transmission occasion. 3 . The method according to claim 1 , wherein the terminal device works on an unlicensed frequency band; and the transmitting the PRACH corresponding to the random access message on the PRACH transmission occasion comprises: if a total duration occupied by the PRACH transmission occasion and the PUSCH transmission occasion is greater than or equal to a preset duration, transmitting the PRACH corresponding to the random access message on the PRACH transmission occasion. 4 . The method according to claim 3 , wherein the preset duration is relevant to a listen before talk (LBT) category used by the terminal device. 5 . The method according to claim 1 , wherein the random access message is an msg A in the 2-step random access process. 6 . A terminal device, comprising: a memory, a processor and a computer program which is stored in the memory and executable on the processor, wherein the computer program, when executed by the processor, causes the terminal device to perform: in a 2-step random access process, when a physical random access channel (PRACH) transmission occasion is valid and there is no valid physical uplink shared channel (PUSCH) transmission occasion associated with the PRACH transmission occasion, transmitting a PRACH corresponding to a random access message on the PRACH transmission occasion, and abandoning transmission for a PUSCH corresponding to the random access message; wherein the PRACH transmission occasion is valid when there is no conflict between a time domain resource where the PRACH transmission occasion is and downlink (DL) resource or DL transmission. 7 . The terminal device according to claim 6 , wherein the terminal device works on an unlicensed frequency band; and the computer program, when executed by the processor, causes the terminal device to perform: if a time interval between the PRACH transmission occasion and the PUSCH transmission occasion is greater than or equal to a preset time interval, transmitting the PRACH corresponding to the random access message on the PRACH transmission occasion. 8 . The terminal device according to claim 6 , wherein the terminal device works on an unlicensed frequency band; and the computer program, when executed by the processor, causes the terminal device to perform: if a total duration occupied by the PRACH transmission occasion and the PUSCH transmission occasion is greater than or equal to a preset duration, transmitting the PRACH corresponding to the random access message on the PRACH transmission occasion. 9 . The terminal device according to claim 8 , wherein the preset duration is relevant to a listen before talk (LBT) category used by the terminal device. 10 . The terminal device according to claim 6 , wherein the random access message is an msg A in the 2-step random access process. 11 . A non-transitory computer readable medium, storing a computer program, wherein the computer program, when executed by a processor of a terminal device, causes the processor of the terminal device to perform: in a 2-step random access process, when a physical random access channel (PRACH) transmission occasion is valid and there is no valid physical uplink shared channel (PUSCH) transmission occasion associated with the PRACH transmission occasion, transmitting a PRACH corresponding to a random access message on the PRACH transmission occasion, and abandoning transmission for a PUSCH corresponding to the random access message; wherein the PRACH transmission occasion is valid when there is no conflict between a time domain resource where the PRACH transmission occasion is and downlink (DL) resource or DL transmission. 12 . The non-transitory computer readable medium according to claim 11 , wherein: the terminal device works on an unlicensed frequency band; and the computer program, when executed by the processor of the terminal device, causes the processor of the terminal device to perform: if a time interval between the PRACH transmission occasion and the PUSCH transmission occasion is greater than or equal to a preset time interval, transmitting the PRACH corresponding to the random access message on the PRACH transmission occasion. 13 . The non-transitory computer readable medium according to claim 11 , wherein: the terminal device works on an unlicensed frequency band; and the computer program, when executed by the processor of the terminal device, causes the processor of the terminal device to perform: if a total duration occupied by the PRACH transmission occasion and the PUSCH transmission occasion is greater than or equal to a preset duration, transmitting the PRACH corresponding to the random access message on the PRACH transmission occasion. 14 . The non-transitory computer readable medium according to claim 13 , wherein the preset duration is relevant to a listen before talk (LBT) category used by the terminal device. 15 . The non-transitory computer readable medium according to claim 11 , wherein the random access message is an msg A in the 2-step random access process.
Assignees
Inventors
Classifications
- H04W74/0833Primary
Random access procedures, e.g. with 4-step access · CPC title
with 2-step access · CPC title
in the uplink direction of a wireless link, i.e. towards the network · CPC title
with collision avoidance · CPC title
Resources in time domain, e.g. slots or frames · CPC title
Patent family
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US12464571B2 cover?
- An information transmission method includes: if a PRACH transmission occasion is valid and a PUSCH transmission occasion associated with the PRACH transmission occasion is valid, transmitting a PRACH corresponding to a random access message on the PRACH transmission occasion, and transmitting a PUSCH corresponding to the random access message on the PUSCH transmission occasion.
- Who is the assignee on this patent?
- Vivo Mobile Communication Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H04W74/0833. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 04 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 7 related publications on this page (citations in our corpus or others sharing the same primary CPC).