Performance Analysis of OCDM in ISAC Scenario.

Pengfei Xu, Mao Li, Tao Zhan, Fengkui Gong, Yue Xiao, Xia Lei

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In one paragraph

Article in Sensors (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Pengfei XuSchool of Telecommunications Engineering, Xidian University, Xi'an 710071, China.

Mao LiNational Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 611731, China.

Tao ZhanNational Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 611731, China.

Fengkui GongSchool of Telecommunications Engineering, Xidian University, Xi'an 710071, China.

Yue XiaoNational Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 611731, China.

Xia LeiNational Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 611731, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The rapid evolution of communication systems, exemplified by the Internet of Things (IoT), demands increasingly stringent reliability in both communication and sensing. While Orthogonal Frequency Division Multiplexing (OFDM) struggles to meet the challenges posed by complex scenarios, Orthogonal Chirp Division Multiplexing (OCDM) has gained attention for its robustness and spectral efficiency in Integrated Sensing and Communication (ISAC) systems. However, its sensing mechanism remains insufficiently explored. This paper presents a theoretical analysis of the communication and sensing performance of OCDM waveforms within the ISAC framework. Specifically, a closed-form BER expression under equalization is derived, alongside the ambiguity function and detection performance evaluation under matched filter (MF) and Generalized Likelihood Ratio Test (GLRT) detectors with a constant false alarm rate (CFAR) criterion. Simulation results demonstrate that OCDM offers comparable sensing performance to OFDM while achieving superior communication robustness in complex environments.

Indexed as

Integrated Sensing and Communication (ISAC)Orthogonal Chirp Division Multiplexing (OCDM)Orthogonal Frequency Division Multiplexing (OFDM)

Identifiers

PMID40942907

DOI10.3390/s25175481

PMCPMC12431190

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