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Keywords = partitioned intelligent reflecting surface (PIRS)

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13 pages, 582 KiB  
Article
A Partitioned IRS-Aided Transmit SM Scheme for Wireless Communication
by Liping Xiong, Yuyang Peng, Ming Yue, Haihong Wei, Runlong Ye, Fawaz AL-Hazemi and Mohammad Meraj Mirza
Mathematics 2025, 13(9), 1503; https://doi.org/10.3390/math13091503 - 2 May 2025
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Abstract
In this paper, we present a practical partitioned intelligent-reflecting-surface-aided transmit spatial modulation (PIRS-TSM) scheme, where spatial modulation is implemented at the transmitter and partitioning is conducted on the IRS to enhance the spectral efficiency (SE) and reliability for multiple-input single-output (MISO) systems. The [...] Read more.
In this paper, we present a practical partitioned intelligent-reflecting-surface-aided transmit spatial modulation (PIRS-TSM) scheme, where spatial modulation is implemented at the transmitter and partitioning is conducted on the IRS to enhance the spectral efficiency (SE) and reliability for multiple-input single-output (MISO) systems. The theoretical analysis of average bit error rate (ABER) based on maximum likelihood (ML) detection and the computational complexity analysis are provided. Experimental simulations demonstrate that the PIRS-TSM scheme obtains a significant ABER enhancement under the same SE compared to the existing partitioned IRS-aided transmit space shift keying or generalized space shift keying schemes by additionally carrying modulated symbols. Moreover, the system performances with different configurations of antenna numbers and symbol modulation orders under the same SE are investigated as a practical application reference. Full article
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