Information Security Center;
State Key Laboratory of Networking and Switching Technology;
Beijing University of Posts and Telecommunications;
Beijing;
100876;
China;
Beijing Electronic Science and Technology Institute;
Beijing;
100070;
China;
Sate Key Laboratory of Public Big Data;
Guizhou University;
Guiyang;
550025;
China;
School of Computing and Informatics;
The University of Louisiana at Lafayette;
Lafayette;
LA 70503;
USA.;
Directional modulation; quantum genetic algorithm; phased antenna array; multiple reflection;