Ad hoc networks (Computer networks) Wireless communication systems 3 Cognitive radio networks 2 Computer networks 2 Electrical & Computer Engineering 2 Engineering & Applied Sciences 2 Internetworking (Telecommunication) 2 Mobile communication systems 2 Mobile computing 2 Security measures 2 WAP (wireless) technology 2 Big data 1 Cloud computing 1 Communications and Security 1 Computer Network 1 Computer algorithms 1 Computer and Information Science 1 Cooperative communication 1 Electrical Engineering 1 Engineering and Technology 1 High density 1 MIMO systems 1 Mobile ad hoc networks 1 Multiuser detection (Telecommunication) 1 Physical Sciences 1 Physical layer 1 Quality control 1 Radio relay systems 1 Reliability 1 Routing protocols (Computer network protocols) 1