11 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…
An Anti-Interference AFDM System: Interference Impacts Analyses and Parameter Optimization
Peng Yuan, Zulin Wang, Tao Luo +1
This paper proposes an anti-interference affine frequency division multiplexing (AFDM) system to ensure reliability and resource efficiency under malicious high-power interference…
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…
ISAC with Affine Frequency Division Multiplexing: An FMCW-Based Signal Processing Perspective
Jiajun Zhu, Yanqun Tang, Cong Yi +5
This paper investigates the sensing potential of affine frequency division multiplexing (AFDM) in high-mobility integrated sensing and communication (ISAC) from the perspective of…
From OFDM to AFDM: Enabling Adaptive Integrated Sensing and Communication in High-Mobility Scenarios
Haoran Yin, Yanqun Tang, Jun Xiong +7
Integrated sensing and communication (ISAC) is a key feature of next-generation wireless networks, enabling a wide range of emerging applications such as vehicle-to-everything (V2X…
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…
Ambiguity Function Analysis of AFDM Signals for Integrated Sensing and Communications
Haoran Yin, Yanqun Tang, Yuanhan Ni +7
Affine frequency division multiplexing (AFDM) is a promising chirp-based waveform with high flexibility and resilience, making it well-suited for next-generation wireless networks,…
An Integrated Sensing and Communications System Based on Affine Frequency Division Multiplexing
Yuanhan Ni, Peng Yuan, Qin Huang +2
This paper proposes an integrated sensing and communications (ISAC) system based on affine frequency division multiplexing (AFDM) waveform. To this end, a metric set is designed ac…
An AFDM-Based Integrated Sensing and Communications
Yuanhan Ni, Zulin Wang, Peng Yuan +1
This paper considers an affine frequency division multiplexing (AFDM)-based integrated sensing and communications (ISAC) system, where the AFDM waveform is used to simultaneously c…