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| Content Provider | IET Digital Library |
|---|---|
| Author | Li, Shengyuan Liu, Nan Zhang, Linrang Zhang, Juan Tang, Shiyang Huang, Xiang |
| Abstract | In multiple-input multiple-output (MIMO) radar settings, it is often desired to transmit power only to a given location or sets of locations defined by the beampattern. Some previous works achieve transmit beampattern synthesis by developing new MIMO radar architectures. In these radar architectures, orthogonal waveforms must be utilised. In fact, the perfect orthogonal waveforms are hardly achievable so that the radar performance loss is inevitable. On the other hand, some waveform design methods, which show superior performance, are proposed. However, the modulus variation and high computational complexity impede their applications in reality. In this study, a simple method for transmit beampattern synthesis is proposed. Based on the circulating code principle, the beampattern synthesis problem has been simplified as a single waveform spectral shaping issue. To solve the spectral shaping issue, an extended circulating code (ECC) with constant modulus is provided. The proposed ECC can achieve an arbitrary beampattern with a single constant modulus waveform while the computational complexity is relatively low. Due to these properties, ECC is simple to apply in practice. The method is evaluated by simulated data and the results can verify its effectiveness. |
| Starting Page | 610 |
| Ending Page | 616 |
| Page Count | 7 |
| ISSN | 17518784 |
| Volume Number | 12 |
| e-ISSN | 17518792 |
| Issue Number | Issue 6, Jun (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rsn/12/6 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2017.0386 |
| Journal | IET Radar, Sonar & Navigation |
| Publisher Date | 2018-03-01 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Antenna Array Code Computational Complexity ECC Extended Circulating Code Mathematical Analysis MIMO Radar MIMO Radar Architectures Modulus Variation Multiple-input Multiple-output Radar Orthogonal Waveform Radar Antenna Radar Equipment Radar Performance Loss Radar Signal Processing Signal Processing And Detection Signal Synthesis Single Constant Modulus Waveform Single Waveform Spectral Shaping System And Application Transmit Antenna Array Transmit Beampattern Synthesis Transmitting Antenna Waveform Analysis Waveform Design Method |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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