Antenna in Package, AiP

As FCC allocating higher frequency bands for 5G, it is expected that 6G will be sub Terahertz frequency bands starting at 125GHz.

At these frequencies the wavelength is so small and Ohmic losses are so high per unit length that it makes sense to integrate Antenna in Package, AiP, or even Antenna integrated with Front End Module silicon.

Therefore, 6G Technology will be about radio front end which is integrated within semiconductor technology.

Semiconductor technology and its capabilities will be centered and complete communication systems will be in order of 2”x2” at the most if not smaller.

ORTENGA provides structured engineering leadership across antenna architecture, realization planning, integration, and deployment validation to reduce downstream realization risk and improve alignment between engineering execution and business objectives.

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Dielectric Material Down-Selection in Antenna Design and Development

Any radio communication or radar system requires antenna.

In fact, most advanced systems require multiple antenna subsystem, such as; Beamforming or MIMO systems.

Antenna is at the air interface with the radio front-end electronics.

Antenna is a transducer that converts photons to electrons in the receiver and vice versa in the transmitter chain.

In turns out that antenna and radio front-end electronics require two distinct dielectric materials.

Radiation/photons require lower dielectric constant materials while electronics require higher dielectric constant materials.

ORTENGA provides structured engineering leadership across antenna architecture, realization planning, integration, and deployment validation to reduce downstream realization risk and improve alignment between engineering execution and business objectives.

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Laser Direct Structuring Antenna

Laser Direct Structuring, LDS is a manufacturing process which enables placing an antenna (conductive trace) onto 3D structure such as injection molded plastic or substrate.

LDS technology is utilized in Apple wireless headset.

ORTENGA provides structured engineering leadership across antenna architecture, realization planning, integration, and deployment validation to reduce downstream realization risk and improve alignment between engineering execution and business objectives.

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Antenna Tuners 

Historically antenna tuners meant any passive interface impedance matching device between the antenna and the RF front end.

This terminology has carried over to UE and/or mobile devices.

In addition, as the need for multiple bands antenna increased, the need for antennas that can operate at multiple bands became prime interest of ODMs.

Nowadays, antenna tuning could either imply antenna impedance tuning or antenna aperture tuning.

The aperture tuning mechanism is part of antenna structure and changes antenna resonance frequency, hence operating at multiple bands.

ORTENGA helps businesses to identify required technical features to realize their business goals.

ORTENGA provides structured engineering leadership across antenna architecture, realization planning, integration, and deployment validation to reduce downstream realization risk and improve alignment between engineering execution and business objectives.

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Quarter Wave Transformer for Patch Antenna

Quarter wave transformer is a typical impedance matching technique for patch antenna with microstrip transmission line.

Patch antenna is typically utilized for embedded electronics in array configurations.

Antenna array provides higher gain or narrower beamwidth.

Narrow beamwidth has more concentrated energy and provides narrow spatial resolution, therefore requires beamforming technique.

There are various techniques to achieve beamforming to pinpoint the signal energy to a particular direction.  Each beamforming architecture has its own advantages and challenges.

Proper beamforming architecture should be selected to not only achieve technical requirements but also and more importantly to fulfill business goals and return of investment.

ORTENGA provides structured engineering leadership across antenna architecture, realization planning, integration, and deployment validation to reduce downstream realization risk and improve alignment between engineering execution and business objectives.

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Open Stub for Filter or Impedance Matching of Patch Antenna

Open stub is a microstrip transmission line that can be used for impedance matching or designing frequency selective filter feeding a patch antenna.

Single element impedance matching is utilized for narrow bandwidth, 5 – 10 % fractional BW.

When wider BW or filtering of unwanted signals are required, open stub can be utilized in multi elements network.

ORTENGA provides structured engineering leadership across antenna architecture, realization planning, integration, and deployment validation to reduce downstream realization risk and improve alignment between engineering execution and business objectives.

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Why 6G Fails Without Antenna-Package-Silicon Co-Design

The Hidden Integration Risk at Sub-Terahertz Frequencies

As the FCC continues allocating higher-frequency spectrum for 5G, it is increasingly clear that 6G will extend into sub-terahertz frequency regimes. While final allocations are not yet defined, much of today’s 6G research and roadmap discussion points toward operation above ~100 GHz, with ~125 GHz and above often cited as a practical integration inflection point.

Note: “~125 GHz” is used here as a representative sub-THz design threshold; actual 6G bands and regional allocations may differ.

At these frequencies, the physics change decisively.

Wavelengths become extremely small, while ohmic losses per unit length increase sharply. Traditional interconnects, long feedlines, and discrete antenna implementations quickly become inefficient—both electrically and thermally. The result is unavoidable: antennas must move closer to the silicon.

This is why Antenna-in-Package (AiP)—and in some cases antennas integrated directly with the front-end module—emerges as the dominant architecture for 6G radios.

In the 6G era, the radio front end is no longer a board-level problem. It is a semiconductor-centric system problem, where antenna performance, packaging, thermal behavior, and RF circuitry must be co-designed as a single entity.

Semiconductor technology and its packaging capabilities will define system performance. Entire communication systems—antenna, RF front end, and signal conditioning—will shrink to form factors on the order of 2” × 2”, or smaller, while operating at frequencies once reserved for laboratory instruments.

6G will not be enabled by antennas alone.
It will be enabled by antenna, package, and silicon acting as one system.

ORTENGA provides structured engineering leadership across antenna architecture, realization planning, integration, and deployment validation to reduce downstream realization risk and improve alignment between engineering execution and business objectives.

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