Digital communication system based on hexadecimal three dimensional grid constellation graph mapping
A digital communication system, hexadecimal technology, applied in the field of digital communication, can solve problems such as poor error performance of digital communication systems, achieve the effect of improving system error performance and improving system error performance
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Embodiment 1
[0040] Please refer to figure 1 and figure 2 , an embodiment of the present invention provides a digital communication system based on hexadecimal three-dimensional lattice constellation map mapping, comprising the following steps:
[0041] (1) Design a QPSK constellation diagram in the two-dimensional XY plane, expand and translate the QPSK constellation diagram to obtain a hexadecimal three-dimensional lattice constellation diagram, and the hexadecimal three-dimensional lattice constellation diagram is a regular lattice-shaped hexadecimal system A three-dimensional lattice constellation diagram or a hexadecimal three-dimensional lattice constellation diagram in the shape of a sub-regular lattice, and the hexadecimal three-dimensional lattice constellation diagrams all have a non-constant envelope structure;
[0042] Design a QPSK constellation diagram in the two-dimensional XY plane, set the distance between adjacent signal points as d, and the coordinates of the QPSK cons...
Embodiment 2
[0063] Please refer to figure 1 and image 3 , an embodiment of the present invention provides a digital communication system based on hexadecimal three-dimensional lattice constellation map mapping, comprising the following steps:
[0064] (1) Design a QPSK constellation diagram in the two-dimensional XY plane, expand and translate the QPSK constellation diagram to obtain a hexadecimal three-dimensional lattice constellation diagram, and the hexadecimal three-dimensional lattice constellation diagram is a regular lattice-shaped hexadecimal system A three-dimensional lattice constellation diagram or a hexadecimal three-dimensional lattice constellation diagram in the shape of a sub-regular lattice, and the hexadecimal three-dimensional lattice constellation diagrams all have a non-constant envelope structure;
[0065] Design a QPSK constellation diagram in the two-dimensional XY plane, set the distance between adjacent signal points as d, and the coordinates of the QPSK constel...
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