Efficient embedded signaling through rotated modulation constellations for SLM-based OFDM systems
In this paper, we propose a novel optimized blind selected mapping (SLM) technique that
avoids the need of the use of any side information (SI) through the joint exploitation of a set
of rotated and unrotated QAM constellation of the Orthogonal Frequency Division
Multiplexing (OFDM) signal and that consequently performs the role of an inherent
embedded signaling for the OFDM system. Furthermore, in order to efficiently recover the
transmitted sequence, we propose a set of decision schemes that banks on the Max-Log …
avoids the need of the use of any side information (SI) through the joint exploitation of a set
of rotated and unrotated QAM constellation of the Orthogonal Frequency Division
Multiplexing (OFDM) signal and that consequently performs the role of an inherent
embedded signaling for the OFDM system. Furthermore, in order to efficiently recover the
transmitted sequence, we propose a set of decision schemes that banks on the Max-Log …
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