Signal processing method and apparatus
AssigneeHuawei Technologies Co., Ltd.
InventorQiang Li
Life of this patent
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Abstract
Embodiments of this application provide a signal processing method and apparatus. A sending device sends a first symbol and modulates a phase of a second symbol based on a first phase, a second frequency, and a second duration. The second symbol is the next symbol after the first symbol. The first phase is a phase at the end of the first symbol. The second frequency is a transmission frequency used for the second symbol, and the second duration is a duration of a cyclic prefix of the second symbol. The sending device sends a modulated second symbol by using the second frequency, where phases between the modulated second symbol and the first symbol are continuous. This avoids a phase jump, and therefore reduces interference caused by a transmitted signal to a signal transmitted on an adjacent frequency band.
Claims20
A signal processing method, the method comprising:
- sending a first symbol;
- modulating a phase of a second symbol based on a first phase, a second frequency, and a second duration, wherein the second symbol is a next symbol after the first symbol, the first phase is a phase at the end of the first symbol, the second frequency is a transmission frequency utilized for the second symbol, and the second duration is a duration of a cyclic prefix of the second symbol;
- and
- sending a modulated second symbol by utilizing the second frequency, wherein phases between the modulated second symbol and the first symbol are continuous.
A signal processing method, the method comprising:
- receiving a first symbol;
- receiving a modulated second symbol, wherein the modulated second symbol is modulated based on a first phase, a second frequency, and a second duration, the first phase is a phase at the end of the first symbol, the second frequency is a transmission frequency utilized for the second symbol, the second duration is a duration of a cyclic prefix of the second symbol, phases between the modulated second symbol and the first symbol are continuous, and the modulated second symbol is a next symbol after the first symbol;
- and
- demodulating the modulated second symbol based on the second frequency.
A signal processing apparatus, comprising a processor, wherein the processor is configured to execute a computer program or instructions stored in non-transitory computer readable storage medium, to:
- send a first symbol;
- modulate a phase of a second symbol based on a first phase, a second frequency, and a second duration, wherein the second symbol is a next symbol after the first symbol, the first phase is a phase at the end of the first symbol, the second frequency is a transmission frequency utilized for the second symbol, and the second duration is a duration of a cyclic prefix of the second symbol;
- and
- send a modulated second symbol by utilizing the second frequency, wherein phases between the modulated second symbol and the first symbol are continuous.
Dependencies are inferred from the claim text.