• Channel modeling, characterization and estimation
• Modulation, coding, diversity, equalization, synchronization
• Multi-carrier modulation, waveform design
• Interference modeling, management, cancellation and alignment
• PHY strategies for low-rate, sporadic and asynchronous communications
• MIMO, massive MIMO and cloud-RAN
• Cooperative, device-to-device and multi-hop communication
• Cognitive radio, spectrum sensing
• Content caching and storage in wireless networks
• PHY layer design for cellular, wireless LAN, ad hoc and sensor networks
• Energy efficient and energy harvesting PHY layer design
• Joint information and energy transmission
• PHY layer security and privacy
• Ultra-wideband, mmWave and sub-THz communication
• Information-theoretic aspects of wireless communications
• Signal processing for wireless communications
• Molecular and nano communications
• AI, machine learning and data analytics for wireless communications
• Beyond 5G and 6G
• Full duplexing

• Wireless MAC protocols for 5G: design, analysis, and optimization
• Cognitive and cooperative MAC
• MAC for mesh, ad hoc, relay and sensor networks
• Scheduling and radio resource management
• Cross-layer MAC design
• Software defined radio, RFID MAC
• QoS support and energy efficient MAC
• MAC protocol for energy harvesting wireless networks
• MAC design for multitier cellular/small cell networks
• Multiple access in machine-to-machine communication
• MAC for cloud-RAN
• MAC protocols for molecular and nano networks
• MAC protocols for mmWave networks
• Full-duplex MAC design
• Cross-layer design for massive MIMO and multiuser MIMO networks
• AI, machine learning and data analytics for MAC and cross-layer design

• Software-defined mobile / wireless networks
• Wireless Network Functions Virtualization
• Virtual network management and orchestration
• Mobile cloud
• Fog computing and networking
• Mobile Edge Computing
• Mesh, relay, sensor and ad hoc networks
• Routing and congestion in wireless networks
• Cognitive radio and networking
• Resource management and optimization
• Mobile big data and network data analytics
• Wireless network security and privacy
• Mobile social networks
• Wireless network measurements and characterization
• AI, machine learning and data analytics for wireless networks
• Wireless networking for autonomous vehicles
• Wireless networking for smart X (energy, factory, city, etc.)
• IoT wireless networking

• Mobile / Wireless network support for vertical industries
• Adaptive content distribution in on-demand services
• Context and location-aware wireless services and applications
• User-centric networks and adaptive services
• Wireless body area networks and e-health services
• Intelligent transportation systems
• Dynamic sensor networks for urban applications
• Wireless emergency and security systems
• Ultra-reliable communication
• Enabling regulations, standards, spectrum management
• Hybrid licensed/unlicensed spectrum access schemes
• Technologies, architectures and enabling business models for rural communications
• Satellite-based mobile access and backhaul
• Hybrid satellite-terrestrial networks
• Testbed and prototype implementation of wireless services