  In this paper, we model a complete-information zero-sum game between a
centralized detection network with a multiple access channel (MAC) between the
sensors and the fusion center (FC), and a jammer with multiple transmitting
antennas. We choose error probability at the FC as the performance metric, and
investigate pure strategy equilibria for this game, and show that the jammer
has no impact on the FC's error probability by employing pure strategies at the
Nash equilibrium. Furthermore, we also show that the jammer has an impact on
the expected utility if it employs mixed strategies.
