Noncoherent Versus Coherent MIMO Radar for Joint Target Position and Velocity Estimation
Recent research indicates that one can obtain improved MSE performance from employing a coherent processing approach in MIMO radar with properly placed antennas. This paper demonstrates that the magnitude of these gains decreases with an increase in the product of the number of transmit and receive antennas if the antennas for the noncoherent system are also suitably placed, using a placement which is generally different from the one for the coherent processing approach. In particular, the mean square error (MSE) of the noncoherent system approaches that of the coherent system when the product of the number of transmit and receive antennas is sufficiently large. A theorem is presented for the case of orthogonal signals in temporally and spatially white noiseplus- clutter, but numerical results for nonorthogonal signals and colored noise-plus-clutter follow a similar pattern.
Qian He Rick S. Blum Zishu He
EE Department, University of Electronic Science and Technology of China ECE Department, Lehigh University Bethlehem, PA 18015 USA
国际会议
2011 IEEE CIE International Conference on Radar(2011年IEEE国际雷达会议RADAR 2011)
成都
英文
108-111
2011-10-24（万方平台首次上网日期，不代表论文的发表时间）