Method and apparatus for updating timing offset
AssigneeHuawei Technologies Co., Ltd.
InventorsXiaolu Wang, Hejia Luo, Yunfei Qiao, Yinggang Du, Chenlei Xu
Life of this patent
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Abstract
This application provides a method and an apparatus for updating a timing offset, and is particularly applicable to an NTN network such as satellite communication. The terminal side method includes: A terminal receives a timing offset difference ΔKoffset, and updates a timing offset based on the ΔKoffset to obtain an updated timing offset. The network side method includes: A network device determines a timing offset difference ΔKoffset, and sends the ΔKoffset to a terminal device, wherein the ΔKoffset is used for the terminal device to update a timing offset.
Claims22
A communication method, applied to a first communication apparatus, wherein the method comprises:
- determining a timing advance value;
- sending, in response to a difference between a second timing offset and a timing offset reported by the first communication apparatus last time is greater than or equal to an update threshold, or in response to receiving a trigger instruction sent by a second communication apparatus, indication information indicating a second timing offset;
- wherein the second timing offset is determined based on the timing advance value.
A communication method applied to a second communication apparatus, wherein, the method comprises:
- receiving, from a first communication apparatus, an indication information, wherein the indication information indicates a second timing offset, wherein the second timing offset is determined based on a timing advance value;
- wherein, the indication information is sent by the first communication apparatus in response to a difference between the second timing offset and a timing offset reported by the first communication apparatus last time is greater than or equal to an update threshold, or in response to receiving a trigger instruction sent by the second communication apparatus.
A communication apparatus, comprising at least one processor coupled to at least one memory storing a computer program including instructions that, when executed by the processor, cause the communication apparatus to:
- determine a timing advance value;
- send, in response to a difference between a second timing offset and a timing offset reported by the communication apparatus last time is greater than or equal to an update threshold, or in response to receiving a trigger instruction sent by a second communication apparatus, indication information indicating a second timing offset;
- wherein the second timing offset is determined based on the timing advance value.
A communication apparatus, comprising at least one processor coupled to at least one memory storing a computer program including instructions that, when executed by the processor, cause the communication apparatus to:
- receive, from a first communication apparatus, an indication information, wherein the indication information indicates a second timing offset, wherein the second timing offset is determined based on a timing advance value;
- wherein, the indication information is sent by the first communication apparatus in response to a difference between the second timing offset and a timing offset reported by the first communication apparatus last time is greater than or equal to an update threshold, or in response to receiving a trigger instruction sent by the communication apparatus.
Dependencies are inferred from the claim text.