研究目的
To investigate and compare the performance of four practical, low-complexity detection schemes for MIMO CAP in visible light communication (VLC) with the optimum Maximum Likelihood (ML) detection scheme.
研究成果
The MMSE-OSIC detector offers the best performance-complexity trade-off for MIMO CAP systems, providing significant performance improvement over linear detectors with a manageable increase in computational complexity.
研究不足
The ML detector's high computational complexity makes it infeasible for practical implementation with large numbers of transmitting LEDs or high constellation orders.
1：Experimental Design and Method Selection:
The study compares the performance of ML, ZF, MMSE, ZF-OSIC, and MMSE-OSIC detection schemes in a MIMO CAP system.
2：Sample Selection and Data Sources:
The simulation uses a 4 × 8 MIMO CAP configuration with M = 4 and η = 8 bits/s/Hz.
3：List of Experimental Equipment and Materials:
The CAP scheme is implemented with a filter span of 12, roll-off of
4：15, and an oversampling factor of Experimental Procedures and Operational Workflow:
The performance analysis is conducted through simulation, comparing the BER performance and computational complexity of the detectors.
5：Data Analysis Methods:
The BER performance is analyzed using derived analytical expressions and simulation results.
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