5 papers
An Ambiguity-Function-Assisted Newtonized Channel Estimation Method for Pulse-Shaped AFDM Under Fractional Delay and Doppler
Yuanfang Ma, Zulin Wang, Yuanhan Ni +2
Accurate channel estimation for pulse-shaped AFDM systems over doubly selective channels with fractional normalized delay and Doppler remains challenging. This paper proposes a low…
Ambiguity Function Analysis of AFDM Under Pulse-Shaped Random ISAC Signaling
Yuanhan Ni, Fan Liu, Haoran Yin +2
This paper investigates the ambiguity function (AF) of the emerging affine frequency division multiplexing (AFDM) waveform for Integrated Sensing and Communication (ISAC) signaling…
A Secure Affine Frequency Division Multiplexing System for Next-Generation Wireless Communications
Ping Wang, Zulin Wang, Yuanhan Ni +4
Affine frequency division multiplexing (AFDM) has garnered significant attention due to its superior performance in high-mobility scenarios, coupled with multiple waveform paramete…
A Secure Affine Frequency Division Multiplexing for Wireless Communication Systems
Ping Wang, Zulin Wang, Yuanfang Ma +2
This paper introduces a secure affine frequency division multiplexing (SE-AFDM) for wireless communication systems to enhance communication security. Besides configuring the parame…
Affine-Doppler Division Multiplexing for High-Mobility Wireless Communications Systems
Yuanfang Ma, Zulin Wang, Peng Yuan +2
Affine Frequency Division Multiplexing (AFDM) has been regarded as a candidate integrated sensing and communications (ISAC) waveform owing to its superior communication performance…