Optimized Greedy Detection for OFDM-IM Systems

Recently, a new transmission method has been proposed for power-efficient wireless communication systems called Orthogonal Frequency Division Multiplexing with Index Modulation (OFDM-IM). This method offers high spectral efficiency with good error performance. The greedy detection (GD) scheme of sub...

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Bibliographic Details
Published inIEEE communications letters Vol. 27; no. 8; pp. 2034 - 2037
Main Authors Besseghier, Mokhtar, Ghouali, Samir, Djebbar, Ahmed Bouzidi
Format Journal Article
LanguageEnglish
Published New York IEEE 01.08.2023
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
CGD
Detectors
Error detection
Error probability
Indexes
Modulation
OFDM
OFDM-IM
OGD
Orthogonal Frequency Division Multiplexing
Performance evaluation
Symbols
Table lookup
TSEP
Wireless communication systems
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Summary:Recently, a new transmission method has been proposed for power-efficient wireless communication systems called Orthogonal Frequency Division Multiplexing with Index Modulation (OFDM-IM). This method offers high spectral efficiency with good error performance. The greedy detection (GD) scheme of subcarrier indices is often used to reduce the complexity of the OFDM-IM system in comparison to other relevant detectors. In this letter, an optimized greedy detection (OGD) scheme is proposed. The received subblock is divided into mini-subblocks to decrease the risk of error. The Total Symbol Error Probability (TSEP) is derived using a closed-form expression to evaluate the performance. Simulation and analytic results demonstrate the superiority of the proposed detector.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2023.3283032