Data transmission method and apparatus in backscatter communication
AssigneeHuawei Technologies Co., Ltd.
InventorsTao Wu, Teyan Chen
Life of this patent
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Abstract
Embodiments of this application disclose a data transmission method, apparatus, and system in backscatter communication, to improve spectrum usage efficiency of data. An embodiment of this application provides a data transmission method in backscatter communication, including: generating a first frame, where the first frame carries first data and second data, the first data and the second data in the first frame use different modulation schemes, the first data is sent to a first tag, and the second data is sent to a second tag; and sending the first frame to the first tag and the second tag.
Claims17
A data transmission method in backscatter communication, the method comprising:
- generating a first frame, wherein the first frame carries first data and second data, the first data and the second data in the first frame use different modulation schemes;
- and
- sending the first frame to a first tag and a second tag, wherein the first data is obtained by the first tag and the second data is obtained by the second tag,
- wherein:
- the first data uses amplitude modulation, and the second data uses phase modulation;
- or
- the first data uses phase modulation, and the second data uses amplitude modulation;
- or
- both the first data and the second data use amplitude modulation, and the first data and the second data have different amplitude values.
A data transmission apparatus, comprising:
- at least one processor operable to generate a first frame, wherein the first frame carries first data and second data, the first data and the second data in the first frame use different modulation schemes;
- and
- a transmitter operable to send the first frame to the first tag and the second tag, for the first data to be obtained by the first tag and the second data to be obtained by the second tag,
- wherein:
- the first data uses amplitude modulation, and the second data uses phase modulation;
- or
- the first data uses phase modulation, and the second data uses amplitude modulation;
- or
- both the first data and the second data use amplitude modulation, and the first data and the second data have different amplitude values.
At least one non-transitory computer-readable storage medium storing instructions that, when executed by a computer, enable the computer to perform operations including:
- generating a first frame, wherein the first frame carries first data and second data, the first data and the second data in the first frame use different modulation schemes;
- and
- sending the first frame to the first tag and the second tag, for the first data to be obtained by the first tag and the second data to be obtained by the second tag,
- wherein:
- the first data uses amplitude modulation, and the second data uses phase modulation;
- or
- the first data uses phase modulation, and the second data uses amplitude modulation;
- or
- both the first data and the second data use amplitude modulation, and the first data and the second data have different amplitude values.
Dependencies are inferred from the claim text.