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Communication Dans Un Congrès Année : 2020

NEAR CAPACITY RCQD CONSTELLATIONS FOR PAPR REDUCTION OF OFDM SYSTEMS

Benoit Geller

Résumé

We investigate an optimized blind SeLected Mapping (SLM) algorithm to reduce the Peak-to-Average Power Ratio (PAPR) for Orthogonal Frequency Division Multiplexing (OFDM) systems with Signal Space Diversity (SSD). Several phase sequences based on two Rotated and Cyclically Q-Delayed (RCQD) constellations are used at the transmitter to considerably reduce the PAPR. The pair of RCQD constellations is selected so as to achieve the highest average mutual information for both the Coded Modulation (CM) and the Bit-Interleaved Coded Modulation (BICM) schemes. These constellations also allow, along with Hadamarad sequences, good blind detection performances with no spectral spoilage. Simulations totally confirm our theoretical results.
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Dates et versions

hal-02906492 , version 1 (24-07-2020)

Identifiants

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Tarak Arbi, Imen Nasr, Benoit Geller. NEAR CAPACITY RCQD CONSTELLATIONS FOR PAPR REDUCTION OF OFDM SYSTEMS. ICASSP 2020, May 2020, Barcelona, France. ⟨10.1109/ICASSP40776.2020.9053923⟩. ⟨hal-02906492⟩
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