Coordinate Interleaved High-Dimensional OFDM with Index Modulation

In this letter, we propose a novel multicarrier transmission scheme named as coordinate interleaved high-dimensional orthogonal frequency division multiplexing with index modulation (CI-HD-OFDM-IM). In each subblock of the proposed scheme, two HD symbols with the optimal rotation angles are combined...

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Bibliographic Details
Published in:IEEE communications letters 2023-05, Vol.27 (5), p.1-1
Main Authors: Chen, Zhenxing, Tian, Qingyao, Kang, Seog Geun
Format: Article
Language:English
Subjects:
bit error rate
Constellation diagram
coordinate interleaving
Detectors
Diversity methods
Frequency-domain analysis
high-dimensional signal constellation
index modulation
Indexes
Modulation
OFDM
Orthogonal Frequency Division Multiplexing
Reference systems
Symbols
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Summary:In this letter, we propose a novel multicarrier transmission scheme named as coordinate interleaved high-dimensional orthogonal frequency division multiplexing with index modulation (CI-HD-OFDM-IM). In each subblock of the proposed scheme, two HD symbols with the optimal rotation angles are combined by coordinate interleaving technique to obtain an additional diversity gain and improve bit error performance. The single HD symbol maximum likelihood (ML) detection is exploited in the receiver. The average bit error probability (ABEP) of the CI-HD-OFDM-IM in the frequency selective Rayleigh fading environment is derived. Simulation results show that the proposed scheme has significantly better error performance than the reference systems, and the derived ABEP is very accurate.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2023.3257279