South Africa’s
telecom industry,
in focus.

Wireless Beamforming Connectivity Issues

21.0% of this theme group

Researchers highlight limits in distributed beamforming efficiency and network energy consumption.

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

Acoustic Beamforming Noise Challenges

16.4% of this theme group

Papers point to degradation from noise and domain shifts in acoustic beamforming systems.

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

Massive MIMO Scalability Concerns

16.3% of this theme group

Studies discuss practical obstacles for large‑scale multi‑user MIMO deployments.

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

Coordinated Beamforming for 5G

13.0% of this theme group

Works examine coordination complexity and hardware limits in 5G antenna arrays.

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

Spectral Efficiency and Interference

12.4% of this theme group

Research flags interference management and lattice‑reduction hurdles for higher spectral efficiency.

Spectral efficiency (20) · Lattice reduction (6) · Lattice (6) · Interference (15)

Full-Duplex Cellular Networks

A Review of Techniques and Challenges in Green Communication

MIMO Radar Interference Control

11.7% of this theme group

Authors identify mutual interference and control‑theory gaps in MIMO radar‑communication links.

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

Phased‑Array Scaling Limits

9.2% of this theme group

Papers address fabrication and performance challenges when scaling phased‑array antennas.

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

Distributed Beamforming Practical Risks

19.5% of this theme group

Studies caution about synchronization, hardware impairments, and network overhead in distributed beamforming.

Beamforming (218) · Base station (38) · Computer network (25) · Wireless (28)

Distributed transmit beamforming: challenges and recent progress

Design and experimental evaluation of multi-user beamforming in wireless LANs

MIMO Precoding Hardware Impairments

18.1% of this theme group

Research warns that transceiver imperfections can reduce MIMO capacity and reliability.

MIMO (191) · Telecommunications link (61) · Electronic engineering (65) · Precoding (34)

MIMO capacities and outage probabilities in spatially multiplexed optical transport systems

Massive MIMO with Transceiver Hardware Impairments: Performance Analysis and Phase Noise Error Minimization

Adaptive Acoustic Beamforming Uncertainty

17.7% of this theme group

Works highlight sensitivity to localization errors and environmental noise in adaptive beamformers.

Beamforming (179) · Adaptive beamformer (26) · Acoustics (27) · Noise (18)

An analysis of beamforming algorithms for passive bottom reflection-loss estimation

On the Impact of Localization Errors on HRTF-based Robust Least-Squares\n Beamforming

Hybrid Beamforming Power Nonlinearities

14.9% of this theme group

Papers note efficiency losses from nonlinear amplifiers and hardware constraints in hybrid beamforming.

MIMO (152) · Beamforming (113) · Radar (20) · Waveform (10)

On the Energy Efficiency of MIMO Hybrid Beamforming for Millimeter-Wave Systems With Nonlinear Power Amplifiers

Performance Evaluation of Analog Beamforming with Hardware Impairments for mmW Massive MIMO Communication in an Urban Scenario

Interference Alignment Feasibility

11.7% of this theme group

Authors caution that achieving perfect interference alignment is difficult in realistic full‑duplex networks.

Spectral efficiency (35) · Interference (32) · Lattice reduction (5) · Electronic engineering (25)

Harvesting the (Self-)Interference in Heterogeneous Full-Duplex Networks For Joint Rate-Energy Optimization.

System-level performance of interference alignment

Phased‑Array Frequency Discrepancies

10.7% of this theme group

Research points to performance drops caused by frequency mismatches across array elements.

Microphone array (17) · Beamforming (88) · Phased array (23) · Antenna array (16)

Evaluating seismic beamforming capabilities of distributed acoustic sensing arrays

On the Impact of Frequency Discrepancy on Beamforming Performance in Millimeter-Wave Phased Array Antenna Systems

Human Exposure and Beamforming

7.3% of this theme group

Studies raise health and safety concerns for beamforming antennas in dense 5G deployments.

Beamforming (48) · MIMO (35) · Antenna (18) · Base station (16)

Assessment of Human Exposure Levels Due to Mobile Phone Antennas in 5G Networks

Outdoor experiments on 5G radio access using distributed MIMO and beamforming in 28-GHz frequency band

Integrated Sensing and Communication Beamforming

24.3% of this theme group

Works explore joint beamforming designs that merge radar sensing with wireless transmission.

Beamforming (1,396) · Wireless (256) · Base station (239) · Transmission (158)

Joint and Robust Beamforming Framework for Integrated Sensing and Communication Systems

3D Beamforming in Reconfigurable Intelligent Surfaces-assisted Wireless Communication Networks

Adaptive Acoustic Beamforming for Speech

18.6% of this theme group

Research shows promising gains in speech enhancement and target detection using adaptive beamformers.

Beamforming (891) · Adaptive beamformer (167) · Acoustics (134) · Speech recognition (71)

Adaptive Beamforming for Target Detection and Surveillance Based on Distributed Unmanned Aerial Vehicle Platforms

Performance evaluation of beamforming techniques for speech enhancement

Advanced Precoding for Full‑Duplex MIMO

17.9% of this theme group

Papers propose new precoding schemes to boost spectral and energy efficiency in full‑duplex systems.

MIMO (673) · Precoding (238) · Telecommunications link (199) · Electronic engineering (234)

Precoding for Full Duplex Multiuser MIMO Systems: Spectral and Energy Efficiency Maximization

A low-complexity linear precoding and power allocation scheme for downlink massive MIMO systems

Hybrid Beamforming for Millimeter‑Wave MIMO

12.7% of this theme group

Studies present hybrid techniques that reduce complexity while supporting high‑capacity mmWave links.

MIMO (596) · Beamforming (727) · Telecommunications link (145) · Precoding (116)

Beamforming techniques for massive MIMO systems in 5G: overview, classification, and trends for future research

Hybrid Beamforming for Millimeter Wave Massive Multiuser MIMO Systems Using Regularized Channel Diagonalization

Real‑Time Digital Phased‑Array Beamforming

10.9% of this theme group

Research demonstrates fast, adaptive beamforming for next‑generation radio telescopes and communication arrays.

Phased array (216) · Beamforming (532) · Antenna array (94) · Phased-array optics (37)

Aperture-Level Simultaneous Transmit and Receive With Digital Phased Arrays

A Real-Time Adaptive Station Beamforming Strategy for Next Generation Phased Array Radio Telescopes

Compact Dual‑Band MIMO Antenna Designs

8.6% of this theme group

Works highlight low‑profile antennas that minimize coupling while supporting multiple wireless standards.

MIMO (445) · Antenna (275) · Electronic engineering (231) · Decoupling (59)

Dual MIMO Antenna System for 5G Mobile Phones, 5.2 GHz WLAN, 5.5 GHz WiMAX and 5.8/6 GHz WiFi Applications

A CLOSELY SPACED DUAL-BAND MIMO PATCH ANTENNA WITH REDUCED MUTUAL COUPLING FOR 4G/5G APPLICATIONS

MIMO Radar Waveform Innovation

7.0% of this theme group

Papers investigate novel waveforms and imaging techniques that enhance MIMO radar resolution.

Radar (243) · MIMO (328) · Waveform (52) · Radar imaging (31)

MIMO Radar with Frequency Diversity

Joint direction-of-departure and direction-of-arrival estimation in an ultra-wideband MIMO radar system

Johannesburg

32.4% across the displayed hubs

3 companies hiring · $917.3M disclosed funding

Cape Town

24.4% across the displayed hubs

4 companies hiring · $43.4M disclosed funding

Centurion

11.3% across the displayed hubs

1 companies hiring · $986.6M disclosed funding

Midrand

9.5% across the displayed hubs

1 companies hiring · $0 disclosed funding

Sandton

7.3% across the displayed hubs

2 companies hiring · $0 disclosed funding

Durban

6.9% across the displayed hubs

0 companies hiring · $27.3M disclosed funding

Pretoria

5.1% across the displayed hubs

0 companies hiring · $0 disclosed funding

Randburg

3.3% across the displayed hubs

1 companies hiring · $0 disclosed funding