Enhancing the Communication Bandwidth of FH-MIMO DFRC Systems Through Constellation Rotation Modulation
This paper presents a technique based on Constellation Rotation Modulation (CRM) to enhance the communication bandwidth of Frequency-Hopping Multiple-Input Multiple-Output Dual-Function Radar and Communication (FH-MIMO DFRC) systems. The technique introduces the dimension of constellation diagram ro...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-03-01
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| Series: | Remote Sensing |
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| Online Access: | https://www.mdpi.com/2072-4292/17/6/1058 |
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| author | Jiangtao Liu Weibin Jiang Wentie Yang Tao Su Jianzhong Chen |
| author_facet | Jiangtao Liu Weibin Jiang Wentie Yang Tao Su Jianzhong Chen |
| author_sort | Jiangtao Liu |
| collection | DOAJ |
| description | This paper presents a technique based on Constellation Rotation Modulation (CRM) to enhance the communication bandwidth of Frequency-Hopping Multiple-Input Multiple-Output Dual-Function Radar and Communication (FH-MIMO DFRC) systems. The technique introduces the dimension of constellation diagram rotation without increasing the system bandwidth or power consumption, significantly improving communication efficiency. Specifically, CRM, by rotating the constellation diagram, combines with traditional Frequency-Hopping Code Selection (FHCS) and Quadrature Amplitude Modulation (QAM) to achieve higher data transmission rates. Through theoretical analysis and experimental verification, we demonstrate the specific modulation and demodulation principles of CRM, and we compare the differences between the minimum Euclidean distance-based and constellation diagram folding projection fast demodulation methods. The impact of the proposed modulation on radar detection range and detection performance was analyzed in conjunction with radar equations and ambiguity functions. Finally, achieved through simulation analysis of radar and communication systems, as well as actual system testing on an SDR platform, the simulation and experimental results indicate that CRM modulation can significantly enhance communication bandwidth while maintaining radar detection performance, thereby validating the accuracy and reliability of the theory. |
| format | Article |
| id | doaj-art-e8f88dbe62864b9986881efb3f532d25 |
| institution | OA Journals |
| issn | 2072-4292 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Remote Sensing |
| spelling | doaj-art-e8f88dbe62864b9986881efb3f532d252025-08-20T01:48:54ZengMDPI AGRemote Sensing2072-42922025-03-01176105810.3390/rs17061058Enhancing the Communication Bandwidth of FH-MIMO DFRC Systems Through Constellation Rotation ModulationJiangtao Liu0Weibin Jiang1Wentie Yang2Tao Su3Jianzhong Chen4School of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaWuhan Second Ship Design and Research Institute, Wuhan 430064, ChinaHubei Key Laboratory of Marine Electromagnetic Detection and Control, Wuhan 430205, ChinaNational Key Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, ChinaSchool of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaThis paper presents a technique based on Constellation Rotation Modulation (CRM) to enhance the communication bandwidth of Frequency-Hopping Multiple-Input Multiple-Output Dual-Function Radar and Communication (FH-MIMO DFRC) systems. The technique introduces the dimension of constellation diagram rotation without increasing the system bandwidth or power consumption, significantly improving communication efficiency. Specifically, CRM, by rotating the constellation diagram, combines with traditional Frequency-Hopping Code Selection (FHCS) and Quadrature Amplitude Modulation (QAM) to achieve higher data transmission rates. Through theoretical analysis and experimental verification, we demonstrate the specific modulation and demodulation principles of CRM, and we compare the differences between the minimum Euclidean distance-based and constellation diagram folding projection fast demodulation methods. The impact of the proposed modulation on radar detection range and detection performance was analyzed in conjunction with radar equations and ambiguity functions. Finally, achieved through simulation analysis of radar and communication systems, as well as actual system testing on an SDR platform, the simulation and experimental results indicate that CRM modulation can significantly enhance communication bandwidth while maintaining radar detection performance, thereby validating the accuracy and reliability of the theory.https://www.mdpi.com/2072-4292/17/6/1058frequency-hopping MIMOdual-function radar and communicationconstellation rotation modulationcommunication bandwidth |
| spellingShingle | Jiangtao Liu Weibin Jiang Wentie Yang Tao Su Jianzhong Chen Enhancing the Communication Bandwidth of FH-MIMO DFRC Systems Through Constellation Rotation Modulation Remote Sensing frequency-hopping MIMO dual-function radar and communication constellation rotation modulation communication bandwidth |
| title | Enhancing the Communication Bandwidth of FH-MIMO DFRC Systems Through Constellation Rotation Modulation |
| title_full | Enhancing the Communication Bandwidth of FH-MIMO DFRC Systems Through Constellation Rotation Modulation |
| title_fullStr | Enhancing the Communication Bandwidth of FH-MIMO DFRC Systems Through Constellation Rotation Modulation |
| title_full_unstemmed | Enhancing the Communication Bandwidth of FH-MIMO DFRC Systems Through Constellation Rotation Modulation |
| title_short | Enhancing the Communication Bandwidth of FH-MIMO DFRC Systems Through Constellation Rotation Modulation |
| title_sort | enhancing the communication bandwidth of fh mimo dfrc systems through constellation rotation modulation |
| topic | frequency-hopping MIMO dual-function radar and communication constellation rotation modulation communication bandwidth |
| url | https://www.mdpi.com/2072-4292/17/6/1058 |
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