Research Topics in Wireless 5G and Beyond

1. Wireless Communications and Technologies, Networking, Services and Application

-- Wireless Communications

-- Microwave Transmission Systems 

• Types of Microwave Transmission: Terrestrial Microwave and Satellite Microwave Transmission System
• Microwave Power Transmission

-- Smart Antennas and Intelligent Sensors Based Systems: Enabling Technologies and Applications

-- Network Technologies, Services and Application

3. Beyond Fifth-generation (B5G) Networks, 5G/6G Cloud & Edge Computing

-- B5G Networks

• The 6G era of pervasive intelligence
• AI-enabled 6G air interface

-- Mobile 5G/6G Cloud & Edge Computing 

• Edge Computing basics & use-cases
• Benefits of edge computing & types of edge
• Edge deployment modes/solutions
• Fundamentals of Multi-access Edge Computing (MEC)
• Architectures, frameworks, and models for edge intelligence empowered B5G
• AI empowered edge-cloud architecture for B5G
• New concept, theory, and protocols for edge intelligence empowered B5G
• Deep reinforcement learning approaches for edge intelligent B5G
• Networking between edge nodes for resource scheduling and orchestration
• Resource optimization for edge intelligence empowered B5G
• Machine learning approaches for resource synergy in B5G
• The 6G era of pervasive intelligence
• Edge computing, communication, caching, and control (edge 4C) in B5G
• Edge intelligence for computation offloading in B5G
• Edge intelligence for caching and storage in B5G
• Big data and learning fusion in edge intelligent B5G
• Network traffic prediction and control in edge intelligent B5G
• Service discovery and mobility as a service for edge intelligent B5G
• Energy efficiency and greenness-performance tradeoff for edge intelligent B5G
• Security and privacy in edge intelligent B5G
• Edge intelligence and blockchain for secure B5G networks
• Use cases/applications highlighting the potential of edge intelligence for B5G

4. Native AI in Integrated Terrestrial and Non-Terrestrial Networks (TNTNs) in 6G

5. Pervasive Network Intelligence for 6G Networks

• Performance analysis of pervasive network intelligence
• Architecture and protocol design for 6G networks
• SDN and resource virtualization for 6G networks
• Intelligent network slicing for 6G networks
• AI service provisioning in 6G networks
• Intelligent coordination among end, edge and cloud
• Green network intelligence in 6G networks
• Security and privacy in pervasive network intelligence
• Distributed learning in 6G networks
• Federated learning and split learning for 6G networks
• Data analytics and learning enabled 6G networks
• Task offloading for intelligent applications
• Cooperative AI model training and inference
• Data collection for pervasive network intelligence
• Mobile edge computing/caching for 6G networks
• AI-based network management for 6G networks
• Digital twin assisted 6G networks
• Intelligent drone/UAV assisted networking
• Intelligent space-air-ground integrated networking
• Intelligent user-centric network management

6. Next Generation Wireless Networks (NGWN), AI-Driven Security in NGWN

-- Next Generation Wireless Networks (NGWN)

​-- AI-Driven Security in NGWN

• ML and DL-based based intrusion detection and prevention
• ML and DL-based authentication and integrity assurance
• Federated learning for security
• Adversarial ML in networks
• ML and DL-based network optimization with security constraints

7. Satellite Communication

• Satellite Orbits and Orbital Parameters
• Space Segment
• Earth Stations
• Propagation effects
• Satellite link design
• Source Coding, and Multiplexing Techniques
• Modulation and Coding Techniques
• Satellite Multiple Access
• Special Techniques used in Satellite Communication
• VSAT Systems
• Broadcast Services
• Mobile Satellite Communication
• Satellite Navigation System
• Modern developments and future trends
• Personal satellite communication: technologies and challenges
• Satellite communication systems
• Digital satellite communication
• The land mobile satellite communication channel-recording, statistics, and channel model
• Satellite communication systems: design principles
• Mobile satellite communication networks
• On the way to quantum-based satellite communication
• Laser satellite communication network-vibration effect and possible solutions
• Satellite communication—An overview of the problems and programs
• Satellite communication engineering
• The application of power-domain non-orthogonal multiple access in satellite communication networks
• Satellite communication
• Increased capacity using CDMA for mobile satellite communication
• Advanced technology in satellite communication antennas: electrical and mechanical design
• Analysis of system parameters for LEO/ICO-satellite communication networks
• Cognitive radio techniques for satellite communication systems
• Technology trends and challenges of antennas for satellite communication systems
• Application of cognitive radio techniques to satellite communication
• Optical scintillations and fade statistics for a satellite-communication system
• Survey of inter-satellite communication for small satellite systems: Physical layer to network layer view
• Inter-satellite communication and ranging link assignment for navigation satellite systems
• Satellite communication
• Optimization of a laser satellite communication system with an optical preamplifier
• Coding for satellite communication
• The challenge of using the W band in satellite communication
• Radio resource management in future terrestrial-satellite communication networks
• Inter-satellite ranging and inter-satellite communication links for enhancing GNSS satellite broadcast navigation data
• An authentication scheme for mobile satellite communication systems
• Optical inter-satellite communication operational
• Security approaches in machine learning for satellite communication
• Telemedicine using mobile satellite communication
• Prediction of the effects of rain on satellite communication systems
• Wearable circularly polarized antenna for personal satellite communication and navigation
• Propagation phenomena affecting satellite communication systems operating in the centimeter and millimeter wavelength bands
• Satellite communication systems design
• Long-distance free-space quantum key distribution in daylight towards inter-satellite communication
• RFin–RFout Linearizer System Design for Satellite Communication
• Using SDN and NFV to implement satellite communication networks
• Scintillation model for a satellite communication link at large zenith angles
• Secure satellite communication systems design with individual secrecy rate constraints
• Commercial optical inter-satellite communication at high data rates
• A software defined framework for integrated space-terrestrial satellite communication
• Prediction of fade durations due to rain in satellite communication systems
• Channel estimation and detection in satellite communication systems
• Passive satellite communication
• Satellite communication at millimeter waves: A key enabler of the 6G era
• A graph-based satellite handover framework for LEO satellite communication networks
• Design and development of ferroelectric tunable microwave components for Kuand K-band satellite communication systems
• Rain rate and rain attenuation prediction for satellite communication in Ku and Ka bands over Nigeria.
• Doppler applications in LEO satellite communication systems
• On the secrecy performance of land mobile satellite communication systems
• An efficient authentication protocol for mobile satellite communication systems
• Rubidium atomic clock with improved metrological characteristics for satellite communication system
• Optimizing the ground network of optical MEO satellite communication systems
• Power versus stabilization for laser satellite communication
• Robust secure beamforming for multibeam satellite communication systems
• A self-verification authentication mechanism for mobile satellite communication systems
• Near optimal timing and frequency offset estimation for 5G integrated LEO satellite communication system
• A new CubeSat design with reconfigurable multi-band radios for dynamic spectrum satellite communication networks
• A novel hybrid phased array antenna for satellite communication on-the-move in Ku-band
• Metasurface superstrate antenna with wideband circular polarization for satellite communication application
• Enhancing small satellite communication through effective antenna system design
• A simple and efficient authentication scheme for mobile satellite communication systems
• Homodyne BPSK-based optical inter-satellite communication links
• A compact lowpass filter for satellite communication systems based on transfer function analysis
• Interference and fade mitigation techniques for Ka and Q/V band satellite communication systems
• Satellite communication advancement, issues, challenges and applications
• Joint cooperative spectrum sensing and channel selection optimization for satellite communication systems based on cognitive radio
• The next generation heterogeneous satellite communication networks: Integration of resource management and deep reinforcement learning
• A compact 5-bit phase-shifter MMIC for K-band satellite communication systems
• In-orbit verification of optical inter-satellite communication links based on homodyne BPSK
• Satellite communication for rural health care in Alaska
• Dynamic power allocation for broadband multi-beam satellite communication networks
• Ka-Band–the future of satellite communication?
• DS-CDMA satellite diversity reception for personal satellite communication: Satellite-to-mobile link performance analysis
• Construction of a flexibility analysis model for flexible high-throughput satellite communication systems with a digital channelizer
• SIW-based array antennas with sequential feeding for X-band satellite communication 
• A fast link assignment algorithm for satellite communication networks
• Metamaterial array based meander line planar antenna for cube satellite communication
• A preliminary look at using satellite communication for collaboration in the supply chain
• Predistortion technique for cross-coupled filters and its application to satellite communication systems
• Spectrum trading for satellite communication systems with dynamic bargaining
• Centralized rainfall estimation using carrier to noise of satellite communication links
• GEO satellite communication link budgets calculation and analysis
• A broadband linearizer for Ka-band satellite communication
• Satellite payloads pay off
• Recent trends in IP/NGEO satellite communication systems: transport, routing, and mobility management concerns
• Improving spectrum management for satellite communication systems with hunger marketing
• A novel authentication and key‐agreement scheme for satellite communication network
• Optimization of power allocation for multiusers in multi-spot-beam satellite communication systems
• Adaptive modulation and coding techniques for global navigation satellite system inter-satellite communication based on the channel condition
• A model of a domestic satellite communication system
• Design and analysis of rectangular and U slotted patch for satellite communication
• ITU regulation of satellite communication
• Physical layer security for multiuser satellite communication systems with threshold-based scheduling scheme
• Design of microstrip patch antenna for Ku-band satellite communication applications
• Satellite communication and spectrum allocation
• Design of compact Ku band microstrip antenna for satellite communication
• Textile antenna for C-band satellite communication application
• Development and application of INMARSAT satellite communication system
• Cloud free line of sight prediction modeling for optical satellite communication networks
• Random access preamble design and detection for mobile satellite communication systems
• Adaptive power resource allocation with multi-beam directivity control in high-throughput satellite communication systems
• Metamaterial inspired quad band circularly polarized antenna for WLAN/ISM/Bluetooth/WiMAX and satellite communication applications
• Channel modeling for satellite communication channels at Q-band in high latitude
• Q-and E-band amplifier MMICs for satellite communication
• Flexible resource allocation with inter-beam interference in satellite communication systems with a digital channelizer
• The performance analysis of downlink NOMA in LEO satellite communication system
• An improved authentication scheme for mobile satellite communication systems
• Performance analysis of series: shunt configuration based RF MEMS switch for satellite communication applications
• Satellite Communication
• Satellite communication and propagation experiments through the alphasat Q/V band Aldo Paraboni technology demonstration payload
• Metamaterial-based energy harvesting for GSM and satellite communication frequency bands
• Evolution of satellite communication antennas on mobile ground terminals
• 25- BiCMOS System-on-Chip for K-/Ka-Band Satellite Communication Transmit–Receive Active Phased Arrays
• Improvement frequency stability of caesium atomic clock for satellite communication system
• Passive maritime surveillance using satellite communication signals
• Radio propagation channel measurements for multi-antenna satellite communication systems: A survey
• Outage constrained robust multigroup multicast beamforming for multi-beam satellite communication systems
• On the complexity of decomposing matrices arising in satellite communication
• Characterization of rain specific attenuation and frequency scaling method for satellite communication in South Korea
• Robust beamforming for multibeam satellite communication in the face of phase perturbations
• Raindrop size distribution using method of moments for terrestrial and satellite communication applications in Singapore
• Spread slotted ALOHA techniques for mobile and personal satellite communication systems
• A novel quantum N-Queens solver algorithm and its simulation and application to satellite communication using IBM quantum experience
• Conformal phased array with beam forming for airborne satellite communication
• An FSS-backed 20/30 GHz circularly polarized reflectarray for a shared aperture L-and Ka-band satellite communication antenna
• A survey paper on security issues in satellite communication network infrastructure
• A compact broadband dual-polarized patch antenna for satellite communication/navigation applications
• A gradual neural-network approach for frequency assignment in satellite communication systems
• Specification and forecasting of outages on satellite communication and navigation systems
• Designing satellite communication networks by zero—one quadratic programming
• Study of rain attenuation in Ka band for satellite communication in South Korea
• Velocity‐aware handover prediction in LEO satellite communication networks
• Jenő Egerváry: from the origins of the Hungarian algorithm to satellite communication
• Interbeam interference constrained resource allocation for shared spectrum multibeam satellite communication systems
• Modeling of an acousto-optic laser veam steering system intended for satellite communication
• Study on ISL network structure in LEO satellite communication systems
• Satellite Communication Experiments in the Country
• Laser Satellite Communication: The Third Generation
• Analysis on selection of beam material for novel step structured RF-MEMS switch used for satellite communication applications
• Rain induced attenuation studies for V-band satellite communication in tropical region
• Large‐scale site diversity for satellite communication networks
• Scheduling design and performance analysis of carrier aggregation in satellite communication systems
• Utility of light emitting diodes for inter-satellite communication in multi-satellite networks
• Formation of optimal composition of the modules of single-function multiversion software for automated control system of the satellite communication system
• High speed inter-satellite communication system by incorporating hybrid polarization-wavelength division multiplexing scheme
• Implementation of cmac authentication algorithm on fpga for satellite communication
• Diversity and diaspora: Arab communities and satellite communication in Europe
• Satellite communication systems for ocean observational platforms: Societal importance and challenges.
• Perspectives in the Emerging Law of Satellite Communication
• Terrestrial-Satellite Communication Networks
• A novel FSK demodulation method using short-time DFT analysis for LEO satellite communication systems
• The maritime satellite communication channel–channel model, performance of modulation and coding
• Prediction of Channel Excess Attenuation for Satellite Communication Systems at Q-Band Using Artificial Neural Network
• Reliability characteristics of a satellite communication system including earth station and terrestrial system
• Design of concentric circular ring patch with DGS for dual-band at satellite communication and radar applications
• Cognitive interference cancellation with digital channelizer for satellite communication
• High gain-density K-band P-HEMT LNA MMIC for LMDS and satellite communication
• An orthogonal cognitive radio for a satellite communication link
• Satellite communication scheduling, optimization, and deconfliction using artificial intelligence techniques
• Link budget analysis for future E-band gigabit satellite communication links (71–76 and 81–84 Ghz)
• Modulation classification of satellite communication signals using cumulants and neural networks
• A cost-effective 100 Gbps SAC-OCDMA–PDM based inter-satellite communication link
• Connexion by Boeing/sup SM/-broadband satellite communication system for mobile platforms
• An enhanced authentication with key agreement scheme for satellite communication systems
• Influences of mesoscale sandstorm on the quantum satellite communication channel and performance simulation
• Efficient helicopter− satellite communication scheme based on check-hybrid LDPC coding
• Analysis and synthesis of a printed array for satellite communication with moving vehicles
• Integrating small satellite communication in an autonomous vehicle network: A case for oceanography
• Spectrum optimization for satellite communication systems with heterogeneous user preferences
• A simple real-time handover management in the mobile satellite communication networks
• Satellite communication over quantum channel
• The investigation of MF-TDMA satellite communication system
• Combination of turbo coding and cryptography in NONGEO satellite communication systems
• Transformation of rain attenuation statistics from fixed to mobile satellite communication systems
• Antenna array elements for Ka-band satellite communication on the move
• Applications of high-temperature-superconducting filters and cryoelectronics for satellite communication
• Multi-layer patch antenna array design for Ka-band satellite communication
• A highly secure identity-based authenticated key-exchange protocol for satellite communication
• Hybrid beamforming, user scheduling, and resource allocation for integrated terrestrial-satellite communication
• Evaluation of diversity and power control techniques for satellite communication systems in tropical and equatorial rain climates
• Physical layer security of multiuser satellite communication systems with channel estimation error and multiple eavesdroppers
• Wideband analysis of the satellite communication channel at Ku-and X-bands
• Planetary gearbox condition monitoring of ship-based satellite communication antennas using ensemble multiwavelet analysis method
• Dual-band circularly-polarised Spidron fractal microstrip patch antenna for Ku-band satellite communication applications
• Effects of rain attenuation on satellite communication link
• Packet switching in a multi-access broadcast channel with application to satellite communication in a computer network.
• Geometric analysis of low-earth-orbit satellite communication systems: covering functions
• A lightweight authentication and key sharing protocol for satellite communication
• Propagation considerations in satellite communication systems
• Optimal multiple access protocol for inter-satellite communication in small satellite systems
• A tunable Si3N4 integrated true time delay circuit for optically-controlled K-band radio beamformer in satellite communication
• Ka band active phased array antenna system for satellite communication on the move terminal
• Secure performance analysis of satellite communication networks in shadowed Rician channel
• FPGA implementation of M-PSK modulators for satellite communication
• Channel model for satellite communication links above 10GHz based on Weibull distribution
• On effectiveness of routing algorithms for satellite communication networks
• An efficient and secure anonymous authentication scheme for mobile satellite communication systems
• Interference cancellation system for satellite communication earth station
• Adaptive compensation method using the prediction algorithm for the Doppler frequency shift in the LEO mobile satellite communication system
• Physical layer security of interference-limited land mobile satellite communication systems
• Dual-circular-polarized high-efficiency antenna for Ku-band satellite communication
• RPAS satellite communication channel based on IEEE 802.11 b standard
• Analysis of satellite communication network characteristics
• Broadband conformal phased array with optical beam forming for airborne satellite communication
• A NOMA-PSO based cooperative transmission method in satellite communication systems
• Solutions improve signal processing in digital satellite communication channels
• Portable optical ground stations for satellite communication
• Disaster assessment and satellite communication: on the threshold of a new era
• Optical satellite communication space terminal technology at TNO
• Adaptive antenna array for satellite communication systems
• PSK and DPSK trellis codes for fast fading, shadowed mobile satellite communication channels
• Chaos over chaos: A new approach for satellite communication
• The role of satellite communication in the ISDN era
• Optical scintillations and fade statistics for a satellite-communication system: errata
• A proposed method for dust and sand storms effect on satellite communication networks
• Smart antenna system and its application in low-earth-orbit satellite communication systems
• Satellite communication system’s detection
• Method for the evaluation of ionospheric diffractive and dispersive properties impact on the interference immunity of satellite communication systems
• Measurement, characterization, and modeling of the helicopter satellite communication radio channel
• Laser-based satellite communication systems stabilized by non-mechanical electro-optic scanners
• Trends in a military satellite communication networks
• Optimal bandwidth allocation for multi-spot-beam satellite communication systems
• The parallel cmac authenticated encryption algorithm for satellite communication
• A smart microcontroller-based iridium satellite-communication architecture for a remote renewable energy source
• Techno-economic viability of integrating satellite communication in 4G networks to bridge the broadband digital divide
• A satellite communication system for interactive multimedia networks
• Active subarray module development for Ka band satellite communication systems
• Equalization of the non-linear satellite communication channel with an echo state network
• Research on recognition of modulation signals in satellite communication
• Prediction of fading phenomena in land-satellite communication links
• Enabling inter-satellite communication and ranging for small satellites
• Frequency scaling of rain attenuation for satellite communication links
• Optimization of high speed and long haul inter-satellite communication link by incorporating differential phase shift key and orthogonal frequency division multiplexing …
• Wideband and low RCS circularly polarized slot antenna based on polarization conversion of metasurface for satellite communication application
• Graphene-based multimode inspired frequency reconfigurable user terminal antenna for satellite communication
• Design of a microstrip balanced mixer for satellite communication
• Performance limitation of laser satellite communication due to vibrations and atmospheric turbulence: down‐link scenario
• Carrier synchronization under doppler shift of the nongeostationary satellite communication systems
• Radio resource management techniques for high throughput satellite communication systems
• Shaped prime-focus reflector antenna for satellite communication
• Circularly polarized textile antenna for personal satellite communication
• Orbital diversity in resource-shared satellite communication systems above 10 GHz
• Study of LiTiMg-ferrite radome for the application of satellite communication
• Fatigue characteristics of a surface antenna structure designed for satellite communication
• Common‐band satellite communication system
• An annular-ring microstrip antenna fed by a co-planar feed circuit for mobile satellite communication use
• Investigation of Ka-band satellite communication propagation in equatorial regions
• A stackelberg differential game based bandwidth allocation in satellite communication network
• Depiction and analysis of a modified H-shaped double-negative meta atom for satellite communication
• Quantitative evaluation of time diversity as a novel attenuation mitigation technology for future high speed satellite communication
• An IP‐based satellite communication system architecture for interactive multimedia services
• Helicopter-satellite communication system developed for transmission of disaster and emergency information
• Counselling in the satellite communication era
• Development and validation of time‐series synthesizers of rain attenuation for Ka‐band and Q/V‐band satellite communication systems
• Vibration noise control in laser satellite communication
• Design and implementation of quadrifilar helix antenna for satellite communication
• Decentralized control in packet switched satellite communication
• Performance analysis of non‐orthogonal multiple access based‐satellite communication networks with hardware impairments and channel estimations
• Characterisation and channel modelling for satellite communication systems
• Cross‐layer approach for an air interface of GEO satellite communication networks
• Planar phased array antenna for nomadic satellite communication in Ka-Band
• Rain height statistics for satellite communication in Malaysia
• Signal Interception Method for Asymmetric PCMA Satellite Communication Systems
• A traffic-awareness dynamic resource allocation scheme based on multi-objective optimization in multi-beam mobile satellite communication systems
• Key generation for secure inter-satellite communication
• An improvement on the self-verification authentication mechanism for a mobile satellite communication system
• Comparative performance evaluation of TCP Hybla and TCP Cubic for satellite communication under low error conditions
• Nonlinear revised error aided feedback equalization in high-speed satellite communication
• Improving noise immunity of QPSK demodulation of signals in digital satellite communication systems
• A controlled multiaccess protocol for packet satellite communication
• On the virtualization and dynamic orchestration of satellite communication services
• Next generation broadband satellite communication systems
• Asynchronous cooperative Aloha for multi-receiver satellite communication networks
• A TDMA satellite communication system for ISDN services
• Modeling of the tracking system components of the laser satellite communication systems
• Results on CRL’s mobile satellite communication experiments using ETS-V satellite
• Towards pan-African cooperation in satellite communication: An analysis of the RASCOM project
• E-band downlink wireless data transmission for future satellite communication
• Adaptive beamforming for satellite communication with selective earth coverage and jammer nulling capability
• Role of turbulences in WDM-polarization interleaving scheme based inter-satellite communication system
• Convergence of satellite and terrestrial networks: A comprehensive survey
• Iris waveguide bandpass filter using substrate integrated waveguide (SIW) for satellite communication
• Wireless body area network combined with satellite communication for remote medical and healthcare applications
• Efficient dynamic authentication for mobile satellite communication systems without verification table
• Optimum power allocation based on traffic demand for multi-beam satellite communication systems
• Cognitive radio testbed for Digital Beamforming of satellite communication
• Development of the SANDRA antenna for airborne satellite communication
• Ceramic microwave circuits for satellite communication
• Modeling of satellite communication systems design with physical layer security
• An experimental multimedia mobile satellite communication system using the ETS-VIII satellite
• Bidirectional satellite communication under same frequency transmission with non-linear self-interference reduction algorithm
• Improving information dissemination in sparse vehicular networks by adding satellite communication
• Design of connectivity simulation model of satellite communication link
• Adaptation algorithms for satellite communication systems equipped with hybrid reflector antennas.

8. Satellite & Wireless Connectivity for Unmanned Systems (Drones, UAV, UGV, USV and Robotics)

• BVLOS (Beyond Visual Line of Sight) Technology for Drones & UAV

9. Radar Systems

• Radar signal processing
• Electronically scanned radar systems
• Radar imaging 
• Radar sensors 
• Adaptive radar systems
• Anti stealth radar systems
• Radar system concepts and signal processing
• Interference between automotive radars
• Joint realization of radar sensing and communication based on OFDM
• Radar sensors for high-accuracy distance measurements
• Radar surveillance (e.g. MTI)
• Radar direction-finding (e.g. monopulse)
• Radar localization & mapping
• Radar and radiometric imaging (e.g. scanning, SAR, ISAR, InSAR)
• Radar tracking 
• Sensor fusion (involving radar)
• Radar-based motion tracking (e.g. human / animal / robot motions)
• Airborne/space-based radar
• Maritime/coastal radar
• Air/space surveillance
• Air traffic control radar
• Weather radar
• Secondary radar systems and applications (e.g. transponders, RFID systems, wireless location systems)
• Automotive/vehicle radar, ADAS, sense-and-avoid, radar for unmanned/autonomous platforms
• Commercial/industrial radar applications (e.g. body scanning, building technology, hand gesture recognition)
• Medical/biological radar applications
• Wearable radar
• Radar systems for space exploration
• Radar for planetary exploration
• Subsurface radar imaging
• Radar remote sensing (e.g. radiometry, scatterometry, imaging)
• Multifunction radar (e.g. SAR/MTI)
• Quantum radar
• Advanced radar architectures
• Radar-specific subsystems/components (e.g. radar system-on-a-chip, RFIC and circuit design)
• Radar calibration (array, antenna phase center, cross coupling, transfer function, offset, etc.)
• Reconfigurable antennas, metamaterials (specific to radar)
• Fully digital arrays for radar
• Radar polarimetry
• Low SWaP-C radar
• Software-defined radar
• Radar spectrum sharing (e.g. cohabitation or dual-function radar/communications; emphasis on radar aspects)
• mm-wave/THz radar
• Ultrawideband radar
• Passive radar & illuminators of opportunity
• Bistatic radar
• Multistatic, networked & distributed radar
• Radar detection & estimation (e.g. interference/clutter covariance, CFAR)
• Radar signal & array processing (e.g. STAP, adaptive beamforming, compressed sensing)
• Radar waveform diversity & MIMO (e.g. noise radar, frequency-diverse arrays)
• Machine learning for radar
• Radar resource management 
• Automated/cognitive sensing
• Bio-inspired radar capabilities
• Nonlinear modelling, effects, and linearization for radar
• Radar-based material characterization (e.g. ellipsometry, non-destructive evaluation)
• Signatures, characterization, identification (e.g. micro-Doppler)
• Complex propagation/scattering environments (e.g. over-the-horizon, ground/foliage/ice penetration, thru-wall)
• Radar environment simulation / radar test systems
• Clutter modeling (e.g. sea scatter)
• Radar in interference-rich environments
• Radar EW

10. Electronic Warefare Systems

• Electromagnetic Warfare
• Advanced Threat Infrared Countermeasures (ATIRCM)
• Antennas / Antenna Arrays
• Anti-Jam Electronic Protection Systems
• Anti-Radiation Missiles (ARM)
• Common Missile Warning Systems (CMWS)
• Countermeasures Dispenser Systems (CMDS)
• Digital Electronic Warfare Systems (DEWS)
• Directed Energy Weapons
• Directional Infrared Countermeasures (DIRCM)
• Electronic Support and Attack Platforms
• Electronic Warfare Self-Protection (EWSP) Suites
• Electromagnetic Shielding / Hardening
• Emissions Control (EMCON) Systems
• Geospatial Location and Exploitation Systems
• Identification Friend or Foe (IFF) Systems
• Infrared (IR) Missile Warning System
• Multi-INT Data Sensors with Machine Learning-based Processing
• Multi-Spectral Situational Awareness Sensors
• Passive Active Warning Survivability Systems
• Radar Warning Receiver (RWR) / Laser Warning Receiver (LWR)
• Radio Frequency Countermeasures (RFCM)
• Resilience-in-Depth Cyber Systems
• Signal Jammers