Abstract In this paper, a target capacity based simultaneous multibeam power allocation (TC-SMPA) scheme is developed for multiple target tracking (MTT) in colocated MIMO (C-MIMO) radar system. The key idea of this scheme is to properly allocate the system's limited transmit power resource to its multiple beams, with the purpose of increasing the number of the targets that can be tracked with desired accuracies. We adopt the Bayesian Cramer-Rao lower bound as a metric function to gauge targets’ tracking accuracy, and build the TC-SMPA scheme as a non-smooth and non-convex optimization problem. To solve this problem, we design an efficient solution technique, which incorporates relaxation and a fine tuning process. Simulation results demonstrate that the proposed TC-SMPA scheme can greatly increase the target capacity of the C-MIMO radar when compared with the traditional uniform allocation scheme.

中文翻译：

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用于多目标跟踪应用的基于目标容量的同时多波束功率分配方案

摘要 本文开发了一种基于目标容量的同时多波束功率分配（TC-SMPA）方案，用于协同定位多入多出（C-MIMO）雷达系统中的多目标跟踪（MTT）。该方案的关键思想是将系统有限的发射功率资源适当地分配给其多个波束，目的是增加可以以所需精度跟踪的目标数量。我们采用贝叶斯 Cramer-Rao 下界作为度量函数来衡量目标的跟踪精度，并将 TC-SMPA 方案构建为非光滑和非凸优化问题。为了解决这个问题，我们设计了一种有效的求解技术，它结合了松弛和微调过程。