Common problems researchers identify · 01Wireless Sensor Network Beamforming Issues
169 papers21.0% of this theme group
Researchers highlight challenges in distributed beamforming, connectivity, and energy use for sensor networks.
Beamforming (166) · Wireless (55) · Channel (24) · Computer network (23)
Distributed and Collaborative Beamforming in Wireless Sensor Networks: Classifications, Trends, and Research Directions
Distributed Beamforming for Wireless Sensor Networks With Improved Graph Connectivity and Energy Efficiency
View research history
Common problems researchers identify · 02Acoustic Beamforming Limitations
132 papers16.4% of this theme group
Papers point out difficulties in handling noise, transducer imperfections, and mode identification.
Beamforming (118) · Acoustics (20) · Transducer (6) · Noise (9)
APPLICATION OF PLANAR BEAMFORMING METHOD TO IDENTIFICATION OF SPINNING ACOUSTIC MODES
Improved beamforming by accounting for multiple domain shifts and sources of degradation
View research history
Common problems researchers identify · 03Massive MIMO Deployment Barriers
131 papers16.3% of this theme group
Studies discuss scalability, interference, and hardware constraints for next‑generation multi‑user MIMO systems.
MIMO (130) · 3G MIMO (35) · Multi-user MIMO (24) · Telecommunications (39)
Massive MIMO for next generation wireless systems
Mobile Cell-Free Massive MIMO: Challenges, Solutions, and Future Directions
View research history
Common problems researchers identify · 04Coordinated Beamforming for 5G
105 papers13.0% of this theme group
Works examine practical obstacles in large‑scale antenna coordination and software integration for cellular networks.
MIMO (52) · Beamforming (55) · Telecommunications (30) · Software deployment (14)
Exploring Coordinated Multipoint Beamforming Strategies for 5G Cellular
Practical Large Scale Antenna Systems for 5G cellular networks
View research history
Common problems researchers identify · 05Spectral Efficiency and Interference
100 papers12.4% of this theme group
Research flags inefficiencies and interference management challenges in dense cellular and full‑duplex settings.
Spectral efficiency (20) · Lattice reduction (6) · Lattice (6) · Interference (15)
Full-Duplex Cellular Networks
A Review of Techniques and Challenges in Green Communication
View research history
Common problems researchers identify · 06MIMO Radar Interference Concerns
94 papers11.7% of this theme group
Authors note mutual interference and control complexities when merging radar and communication functions.
MIMO (88) · Radar (20) · Control theory (13) · Electronic engineering (26)
MIMO OFDM Radar-Communication System with Mutual Interference Cancellation
A Survey on Over-The-Air Linearization Methods for MIMO Systems
View research history
Common problems researchers identify · 07Phased‑Array Scaling Difficulties
74 papers9.2% of this theme group
Papers address sensitivity, fabrication, and calibration problems as arrays move to millimeter‑wave frequencies.
Phased array (30) · Antenna array (15) · Beamforming (60) · Antenna (24)
High-Sensitivity Phased Array Receivers for Radio Astronomy
Scaling Millimeter-Wave Phased Arrays: Challenges and Solutions
View research history