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cs.IT2023
BER Analysis of SCMA-OFDM Systems in the Presence of Carrier Frequency Offset
Haibo Liu, Qu Luo, Zilong Liu +3
Sparse code multiple access (SCMA) building upon orthogonal frequency division multiplexing (OFDM) is a promising wireless technology for supporting massive connectivity in future…
cs.IT2023
Design and Performance Analysis of Index Modulation Empowered AFDM System
Jing Zhu, Qu Luo, Gaojie Chen +2
In this letter, we incorporate index modulation (IM) into affine frequency division multiplexing (AFDM), called AFDM-IM, to enhance the bit error rate (BER) and energy efficiency (…
cs.IT2023
AFDM-SCMA: A Promising Waveform for Massive Connectivity over High Mobility Channels
Qu Luo, Pei Xiao, Zilong Liu +4
This paper studies the affine frequency division multiplexing (AFDM)-empowered sparse code multiple access (SCMA) system, referred to as AFDM-SCMA, for supporting massive connectiv…