期刊
IEEE TRANSACTIONS ON SIGNAL PROCESSING
卷 69, 期 -, 页码 3283-3298出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSP.2021.3082460
关键词
Measurement; MIMO radar; Simulation; Peak to average power ratio; Radar imaging; Pareto optimization; Linear programming; Beampattern design; coordinate descent; MIMO radar; waveform design
资金
- Luxembourg National Research Fund (FNR) [CPPP17/IS/11827256/AWARDS]
- CORE project SPRINGER [C18/IS/12734677]
This paper aims to design a set of transmit waveforms in cognitive colocated MIMO radar systems considering the simultaneous minimization of spatial- and range-ISLR. A Coordinate Descent-based approach called UNIQUE is proposed, leading to a trade-off between the two ISLRs and significantly improved simulation results.
This paper aims to design a set of transmit waveforms in cognitive colocated Multi-Input Multi-Output (MIMO) radar systems considering the simultaneous minimization of spatial- and the range- Integrated Sidelobe Level Ratio (ISLR). The design problem is formulated as a bi-objective Pareto optimization under practical constraints on the waveforms, namely total transmit power, peak-to-average-power ratio (PAR), constant modulus, and discrete phase alphabet. A Coordinate Descent (CD) based approach, called UNIQUE, is proposed in which at every single variable update of the algorithm we obtain the solution of the uni-variable optimization problems. The novelty of the paper comes from deriving a flexible waveform design problem applicable for the emerging 4D imaging MIMO radars with application to automotive radar systems. The simultaneous optimization leads to a trade-off between the two ISLRs and the simulation results illustrate significantly improved trade-off offered by the proposed methodologies.
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