Format identification method and device of two-dimensional quadrature amplitude modulation signal and storage medium
A technology of quadrature amplitude modulation and format recognition, which is applied in the field of information transmission, can solve the problems of low recognition robustness and large resource consumption, and achieve the effect of high recognition robustness
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Embodiment 1
[0068] figure 2 is a schematic flowchart of a method for identifying the format of a two-dimensional quadrature amplitude modulation signal provided by the present application, as shown in figure 2 As shown, the method includes:
[0069] Step 201, using a channel estimation-based demodulation algorithm to obtain a two-dimensional quadrature amplitude modulation signal from signal demodulation, and construct a constellation diagram of the two-dimensional quadrature amplitude modulation signal.
[0070] Step 202, based on a clustering algorithm, determine the number of constellation cloud clusters in the constellation diagram.
[0071] Step 203, according to the number of constellation cloud clusters in the constellation diagram, determine the signal format of the two-dimensional quadrature amplitude modulation signal from various signal formats; wherein the multiple signal formats include: quadrature phase shift signal, 8 quadrature amplitude modulation signals, 16 quadratu...
Embodiment 2
[0107] On the basis of Embodiment 1, Embodiment 2 provides a format identification device for a two-dimensional quadrature amplitude modulation signal, Figure 7 A schematic structural diagram of a format recognition device for a two-dimensional quadrature amplitude modulation signal provided by this application, as shown in Figure 7 As shown, the format recognition device for the two-dimensional quadrature amplitude modulation signal includes:
[0108] The mediation module 710 is configured to use a demodulation algorithm based on channel estimation to obtain a two-dimensional orthogonal amplitude modulation signal from signal demodulation, and construct a constellation diagram of the two-dimensional orthogonal amplitude modulation signal;
[0109] A clustering module 720, configured to determine the number of constellation cloud clusters in the constellation diagram based on a clustering algorithm;
[0110] An identification module 730, configured to determine the signal f...
Embodiment 3
[0127] Figure 8 A schematic structural diagram of the electronic device provided in the embodiment of the present application, such as Figure 8 As shown, the embodiment of the present application also provides an electronic device 1400, including: a memory 1401, a processor 1402, and a computer program.
[0128] Wherein, the computer program is stored in the memory 1401 and is configured to be executed by the processor 1402 to implement the method for identifying the format of a two-dimensional quadrature amplitude modulation signal provided by any embodiment of the present application. Relevant descriptions can be understood by referring to the relevant descriptions and effects corresponding to the steps in the accompanying drawings, and details are not repeated here.
[0129] Wherein, in this embodiment, the memory 1401 and the processor 1402 are connected through a bus.
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