Robust Event-Triggered MPC for Constrained Linear Discrete-Time Systems with Guaranteed Average Sampling Rate**The authors would like to thank the German Research Foundation (DFG) for financial support of the project within the Cluster of Excellence in Simulation Technology (EXC 310/2) at the University of Stuttgart. The authors would also like to thank the DFG for their financial support within the research grant AL 316/9-1. This work is also supported by the Innovational Research Incentives Scheme under the VICI grant Wireless control systems: A new frontier in automation" (no. 11382) awarded by NWO (Netherlands Organization for Scientific Research) and STW (Dutch Science Foundation). Corresponding author F. D. Brunner.