Fundamental tradeoff between packetized model predictive control and forward error correction in wireless feedback control systems

Abstract

In wireless feedback control systems, loss of control packets due to unreliable wireless channels is one of the most important problems. To cope with this problem, we propose a novel concept that combines a packetized model predictive control (MPC), which is control layer’s redundancy, and a forward error correction (FEC), which is communication layer’s redundancy. Simulation results show that under the same length of redundancy, there is a tradeoff performance between the packetized MPC and the FEC, and the proposed method can provide well-balanced tolerance to channel error.