The global telecommunications industry is already preparing for the next technological leap beyond 5G. While many countries are still expanding 5G infrastructure, research institutions and technology companies worldwide are racing to develop sixth generation wireless networks. In Indonesia, the National Research and Innovation Agency (BRIN) has begun advancing 6G antenna technology, marking a strategic step toward participation in the future global communications ecosystem.

The development of 6G antenna technology is critical because antennas are one of the most essential components in wireless communication systems. They determine how efficiently signals are transmitted and received between devices, satellites, and network infrastructure. Through its Telecommunications Research Center, BRIN is currently developing compact microstrip antennas designed specifically for the high frequency requirements of next generation networks.

Although 6G networks are still in the research phase globally, early technological breakthroughs will play a crucial role in determining which countries can participate in the future digital economy. Indonesia’s move to invest in 6G antenna technology research reflects an ambition to strengthen national technological capability and reduce dependence on foreign innovations.

According to information from ANTARA, BRIN researchers are currently focusing on the development of single layer and multilayer microstrip antennas that can operate in extremely high frequency bands. These antennas are designed to be compact enough to be integrated into mobile devices while maintaining high performance and signal efficiency.

The initiative represents an early step for Indonesia to position itself in the increasingly competitive global race for advanced telecommunications technologies.

Why 6G Antenna Technology Is Critical For Future Networks

The evolution from 4G to 5G has already transformed digital connectivity, enabling faster mobile internet speeds, low latency communication, and the expansion of Internet of Things ecosystems. However, the next generation of networks will require far more advanced capabilities.

6G antenna technology is expected to support data speeds that could be up to 100 times faster than current 5G systems. Researchers are exploring new spectrum bands, including millimeter wave and sub terahertz frequencies, which enable extremely high data throughput but also require specialized antenna designs.

Traditional antenna systems used in previous network generations are not sufficient for these higher frequencies. As signal wavelengths become shorter, antennas must be carefully engineered to maintain signal strength, stability, and directionality.

BRIN’s research focuses on microstrip antennas because they offer several advantages for next generation wireless systems. These antennas are lightweight, compact, and capable of operating efficiently at high frequencies. Their small size also allows them to be embedded into smartphones and other portable devices without increasing device dimensions.

Researchers involved in the project emphasize that antenna size is a key challenge in 6G antenna technology. Modern smartphones already contain multiple antennas supporting cellular networks, WiFi, Bluetooth, and satellite connectivity. Any new antenna design must therefore be extremely compact while maintaining performance.

Testing procedures for these antennas include simulations, optimization processes, fabrication of physical prototypes, and laboratory measurements to analyze signal characteristics such as radiation patterns and impedance matching.

These steps ensure that the antennas can function reliably under real world operating conditions.

BRIN Research Infrastructure Supporting 6G Antenna Technology

The development of 6G antenna technology requires advanced laboratory infrastructure capable of testing extremely high frequency signals. To support this research, BRIN’s Telecommunications Research Center is equipped with multiple specialized laboratories.

Among them are the Communication and Signal Processing Laboratory, the RF Microwave Acoustic and Photonic Laboratory, the Antenna and Propagation Laboratory, and the Advanced Network Protocol Laboratory. These facilities enable researchers to study various aspects of wireless communication systems ranging from signal propagation to hardware performance.

One of the most important testing facilities is the near field anechoic chamber, which allows researchers to measure antenna performance without interference from external signals. This controlled environment is essential for accurately analyzing radiation patterns and signal behavior.

The laboratory is also equipped with advanced network analyzers capable of measuring frequencies up to 110 gigahertz. Such equipment is necessary because 6G antenna technology is expected to operate at extremely high frequencies compared with current mobile networks.

In addition, BRIN utilizes precision fabrication tools such as protolaser equipment that allows researchers to build high accuracy antenna prototypes. These tools enable faster iteration cycles during the research process, allowing scientists to test multiple design variations before selecting the optimal antenna configuration.

The combination of advanced testing infrastructure and specialized equipment ensures that Indonesia can conduct competitive research in the field of next generation telecommunications technology.

Satellite Communication And Phased Array Innovation

Beyond mobile devices, BRIN researchers are also exploring how 6G antenna technology can support satellite communication systems. Future telecommunications networks are expected to integrate terrestrial infrastructure with satellite networks to provide global connectivity.

One of the key technologies being developed is a phased array antenna system. Unlike conventional antennas that require mechanical movement to adjust their signal direction, phased array antennas can electronically steer the signal beam.

This technology allows antennas to track moving satellites without physically rotating the hardware. Such capability is particularly important for communication with low Earth orbit satellites that travel rapidly across the sky.

Phased array systems are already used in advanced satellite networks such as Starlink. By adopting similar concepts, BRIN aims to ensure that Indonesia’s 6G antenna technology research aligns with global developments in satellite communications.

The integration of satellite connectivity with terrestrial networks will be a defining feature of future digital infrastructure. 6G networks are expected to support seamless communication between smartphones, autonomous vehicles, drones, satellites, and smart city systems.

By developing antenna technologies that can operate across these different platforms, Indonesia can potentially expand its role in the global telecommunications value chain.

Indonesia’s Strategic Position In The Global 6G Race

Several countries including China, South Korea, Finland, and the United States have already launched major research programs dedicated to 6G development. Technology companies and research institutions are investing heavily in experimental networks, spectrum research, and advanced semiconductor technologies.

Although commercial 6G deployment is not expected until the 2030s, early investment in core technologies such as 6G antenna technology is essential for building domestic expertise.

Indonesia’s participation through BRIN research initiatives indicates a growing recognition that technological sovereignty plays a critical role in national economic development. Telecommunications infrastructure is increasingly tied to digital security, economic competitiveness, and industrial innovation.

By investing in early stage research, Indonesia can prepare local scientists and engineers to contribute to the global telecommunications ecosystem. It also creates opportunities for collaboration with universities, international research institutions, and technology companies.

The development of 6G antenna technology could eventually support a wide range of emerging technologies including immersive virtual environments, autonomous transportation systems, advanced telemedicine, and smart manufacturing.

If Indonesia continues expanding its research capacity and supporting technology innovation, the country could play a more active role in shaping the future digital landscape of Southeast Asia.

While many challenges remain, the work carried out by BRIN researchers represents a significant milestone in Indonesia’s technological journey toward the next generation of wireless communication.