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Low-Complexity Detectors for Space-Time Block Coded Differential Spatial Modulation
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DOI：10.1109/TVT.2024.3381863.png)
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Abstract
En 中文
Space-time block coded differential spatial modulation (STBC-DSM) is a recently proposed DSM-based multiple-input-multiple-output (MIMO) transmission technique with high diversity gain. The existing low-complexity detectors for STBC-DSM can be further designed to reduce complexity. In this paper, we propose an ordered antenna index vector detector (OVD) for STBC-DSM, and an OV-low repetition detector (OV-LRD) for further simplification. The OVD detects the symbols in a designed order, and the OV-LRD fully uses the STBC structure to simplify the OVD. Simulation results show that the OVD achieves near-optimal performance, and the OV-LRD significantly reduces complexity with negligible performance loss.
Keywords:
Vectors
Detectors
Artificial intelligence
Symbols
Transmitting antennas
Complexity theory
Slot antennas
Space-time block coding
differential spatial modulation
ordered block minimum mean squared error
tree search
Journal
IF:
7.1
Papers:
1.8W
Citations:
6.6W
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Cited Papers
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