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Power efficient modulation scheme CDM2-MAP for low complexity and high performance

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3 Author(s)
Ho Van Khuong ; Department of Electrical Engineering, University of Ulsan, Korea ; Hyung Yun Kong ; Doo Hee Nam

Quadrature amplitude modulation-spread spectrum (QAM-SS) and code division multiplexing (CDM) are multi-level modulation schemes with high performance but they cause a large peak-average power ratio (PAPR). Therefore, this paper proposes a novel modulation scheme for high-rate transmission which follows a sequence of CDM-mapping-CDM not only to correct the above-mentioned problem but also offer a high flexibility in obtaining arbitrary multilevel modulation with very low implementation complexity and high performance.

Published in:

Journal of Communications and Networks  (Volume:8 ,  Issue: 1 )