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Table 3 Receiver system complexity analysis (for one information bit)

From: A new scheme to enhance the performance of permutation index–differential chaos shift keying communications system

Unit

DCSK

CDSK

HE-DCSK

TR-DCSK

SR-PI-DCSK

Multipliers

1

1

1

0

M/n

Delay

1

1

1

1

L/n

Demodulator

1

1

1

1

M/n

DMU \(^{\mathrm {a}}\)

0

0

0

1

1/n

  1. \(^{\mathrm {a}}\)DMU data mapping unit (including the time reversal unit)