Visible OGSM-MIMO System Based on Norm Joint Similarity Coefficient and Particle Swarm Optimization

Fig. 2. Theoretical and practical simulation bit error performance of antenna selection algorithm system based on norm combined similarity coefficient

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Fig. 3. Comparison of bit error rate for different antenna selection algorithms

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Fig. 4. Comparison of bit error rate for different power allocation algorithms

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Fig. 5. Comparison of bit error rate under different numbers of transmitting antennas for OGSM-MIMO system based on joint antenna selection and power allocation

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Table 1. OGSM mapping based on similarity coefficient antenna selection

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Table 1. OGSM mapping based on similarity coefficient antenna selection

Input signal	Antenna mapping bit	Antenna combination	Constellationmapping bit	Constellation modulation	Output signal
0000	00	（1，2）	00	$(2 / 3, 2 / 3)$	${(\sqrt[]{2} / 3, \sqrt[]{2} / 3, 0,0)}^{T}$
0001	00	（1，2）	01	$(2 / 3, 4 / 3)$	${(\sqrt[]{2} / 3, \sqrt[]{2} / 3, 0,0)}^{T}$
0010	00	（1，2）	10	$(4 / 3, 2 / 3)$	${(\sqrt[]{2} / 3, \sqrt[]{2} / 3, 0,0)}^{T}$
0011	00	（1，2）	11	$(4 / 3, 4 / 3)$	${(\sqrt[]{2} / 3, \sqrt[]{2} / 3, 0,0)}^{T}$
0100	01	（1，3）	00	$(2 / 3, 2 / 3)$	${(\sqrt[]{2} / 3, 0, \sqrt[]{2} / 3, 0)}^{T}$
0101	01	（1，3）	01	$(2 / 3, 4 / 3)$	${(\sqrt[]{2} / 3, 0, \sqrt[]{2} / 3, 0)}^{T}$
0110	01	（1，3）	10	$(4 / 3, 2 / 3)$	${(\sqrt[]{2} / 3, 0, \sqrt[]{2} / 3, 0)}^{T}$
0111	01	（1，3）	11	$(4 / 3, 4 / 3)$	${(\sqrt[]{2} / 3, 0, \sqrt[]{2} / 3, 0)}^{T}$
1000	10	（2，3）	00	$(2 / 3, 2 / 3)$	${(0, \sqrt[]{2} / 3, \sqrt[]{2} / 3,0)}^{T}$
1001	10	（2，3）	01	$(2 / 3, 4 / 3)$	${(0, \sqrt[]{2} / 3, \sqrt[]{2} / 3,0)}^{T}$
1010	10	（2，3）	10	$(4 / 3, 2 / 3)$	${(0, \sqrt[]{2} / 3, \sqrt[]{2} / 3,0)}^{T}$
1011	10	（2，3）	11	$(4 / 3, 4 / 3)$	${(0, \sqrt[]{2} / 3, \sqrt[]{2} / 3,0)}^{T}$
1100	11	（2，4）	00	$(2 / 3, 2 / 3)$	${(0, \sqrt[]{2} / 3, 0, \sqrt[]{2} / 3)}^{T}$
1101	11	（2，4）	01	$(2 / 3, 4 / 3)$	${(0, \sqrt[]{2} / 3, 0, \sqrt[]{2} / 3)}^{T}$
1110	11	（2，4）	10	$(4 / 3, 2 / 3)$	${(0, \sqrt[]{2} / 3, 0, \sqrt[]{2} / 3)}^{T}$
1111	11	（2，4）	11	$(4 / 3, 4 / 3)$	${(0, \sqrt[]{2} / 3, 0, \sqrt[]{2} / 3)}^{T}$

Table 2. Simulation parameters
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Table 2. Simulation parameters
System variable information Value
Number of transmitting antennas 4, 6
Number of receiving antennas 4
Number of active antennas 2, 4
Modulation mode 2-BPSK
Transmission rate 4 bit/s, 7 bit/s
Data length 10⁶ bit

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Li Zhao, Lin Fan, Junlin Chen. Visible OGSM-MIMO System Based on Norm Joint Similarity Coefficient and Particle Swarm Optimization[J]. Acta Optica Sinica, 2025, 45(2): 0206002

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