Method and apparatus for instructing to transmit data, communication device, and storage medium
AssigneeBeijing Xiaomi Mobile Software Co., Ltd.
InventorYajun ZHU
Life of this patent
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Abstract
A method for instructing data transmission on an unlicensed spectrum channel, which is applied to a first communication node, includes: performing channel detection on an unlicensed channel; and in response to detecting that the unlicensed channel is idle, broadcasting first slot format indicator (SFI) information, where the first SFI information is at least used for indicating the transmission direction where the first communication node occupies the unlicensed channel to perform data transmission.
Claims46
A method for indicating data transmission on an unlicensed spectrum channel, performed by a first communication node, the method comprising:
- performing channel assessment on an unlicensed channel;
- assessing that the unlicensed channel is clear;
- and
- broadcasting first slot format indicator (SFI) information, wherein the first SFI information is at least used for indicating a transmission direction in which the first communication node occupies the unlicensed channel to perform data transmission.
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A method for indicating data transmission on an unlicensed spectrum channel, performed by a second communication node, the method comprising:
- receiving first SFI information broadcast by a first communication node;
- and
- sending, according to the first SFI information, scheduling information for scheduling the first communication node to perform data transmission.
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A method for indicating data transmission on an unlicensed spectrum channel, performed by a third communication node, the method comprising:
- receiving first SFI information broadcast by a first communication node, wherein the first SFI information is at least used for indicating a transmission direction in which the first communication node occupies an unlicensed channel to perform data transmission, and the first communication node and the third communication node belong to different cells;
- and
- performing, based on the first SFI information, a backoff operation.
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Dependencies are inferred from the claim text.