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- Title
Design of ħ-CPM-LFM Radar-Communication Integration Signal.
- Authors
Mingkun YE; Jun TANG; Yang ZHAO; Rongqing SU
- Abstract
In light of the increasing requirement for the electromagnetic spectrum, the integration of radar and communication is widely concerned because of its miniaturizing equipments and high efficiency of spectrum. To address the issue that the communication information in integration signal for radar and communication affects its detection performance. A novel integration signal is proposed in this paper. Inspired by the high communication efficiency of shaped octal phase-shift keying (S8PSK) and high spectral efficiency of the three-section integration waveform (k-CPM-LFM), we generate a new type of modulation h-CPM by introduction of a precoding method with low complexity and a time-varying modulation index h, which is used to encode communication data into LFM radar waveform to form a novel integration waveform h-CPM-LFM. Numerical results show that the designed waveform is at least 10 dB less spectrum extension than other integration waveforms when carrying large amounts of communication information and has excellent BER performance under the condition of strong out-of-band interference. Ambiguity function analysis shows that the waveform has excellent detection performance comparable to LFM.
- Subjects
ELECTROMAGNETIC spectrum; DATA transmission systems; VIDEO coding; RADAR; AMBIGUITY; ERROR rates
- Publication
Radioengineering, 2022, Vol 31, Issue 2, p243
- ISSN
1210-2512
- Publication type
Article
- DOI
10.13164/re.2022.0243