A Flexible Ambiguity Control Method in MIMO-OFDM ISAC System with Hybrid Range- and Doppler-Division Multiple Scheme

A Flexible Ambiguity Control Method in MIMO-OFDM ISAC System with Hybrid Range- and Doppler-Division Multiple Scheme | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL This is a preprint and has not been peer reviewed. Data may be preliminary. 23 January 2025 V1 Latest version Share on A Flexible Ambiguity Control Method in MIMO-OFDM ISAC System with Hybrid Range- and Doppler-Division Multiple Scheme Author : Xuanxuan Tian 0000-0002-5049-3582 [email protected] Authors Info & Affiliations https://doi.org/10.22541/au.173766570.06663813/v1 271 views 119 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Multiple-input multiple-output (MIMO) orthogonal frequency divi sion multiplexing (OFDM) integrated sensing and communication (ISAC) system typically utilizes equidistant subcarrier interleaving (ESI) scheme, to achieve orthogonality over frequency domain. How ever, it suffers from a reduced unambiguous distance and distance dependent angle error. To address these issues, we propose a hybrid range- and Doppler-division multiplexing (RDM-DDM) scheme for MIMO-OFDM ISAC system to achieve orthogonality over distance and velocity domains. The range-Doppler-angle processing is performed using discrete Fourier transforms (DFTs). Our proposed scheme offers a trade-off between unambiguous distance and velocity by adjusting the hybrid ratio. Additionally, it can expand the scale of the virtual array and eliminate the distance-dependent angle error, thereby improving angle resolution. The effectiveness of the proposed scheme is inspected through simulations. Supplementary Material File (main document.pdf) Download 408.02 KB Information & Authors Information Version history V1 Version 1 23 January 2025 Copyright This work is licensed under a Non Exclusive No Reuse License. Keywords mimo communication mimo radar ofdm modulation radar imaging radar signal processing Authors Affiliations Xuanxuan Tian 0000-0002-5049-3582 [email protected] School of Low-Altitude Equipment and Intelligent Control, Guangzhou Maritime University View all articles by this author Metrics & Citations Metrics Article Usage 271 views 119 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Xuanxuan Tian. A Flexible Ambiguity Control Method in MIMO-OFDM ISAC System with Hybrid Range- and Doppler-Division Multiple Scheme. Authorea . 23 January 2025. DOI: https://doi.org/10.22541/au.173766570.06663813/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . 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