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This letter first investigates bit error rate (BER) of Multi-Carrier Index Keying–Orthogonal Frequency Division Multiplexing using a low-complexity greedy detector (GD). We derive a tight, closed-form expression for the BER of the GD in the presence of channel state information (CSI) uncertainty. Particularly, exploiting the fact that the GD detects the active indices first, and then detects the data...
This paper proposes a novel scheme of Multi-carrier Index Keying — Orthogonal Frequency Division Multiplexing (MCIK-OFDM), called as repeated MCIK-OFDM (ReMO), which is capable of improving the error performance compared to classical MCIK-OFDM for a given spectral efficiency. Similar to the classical MCIK-OFDM, ReMO activates only a subset of sub-carriers to carry information bits by the use of both...
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