Publication

A Wearable and Implantable UWB Antenna for Brain Computer Interface

2026

Abstract

In this paper, a pair of implant and wearable antennas for brain-computer interface applications are proposed. The implant antenna, designed as a slotted patch, is embedded within the human skull. The receiver antenna is considered to be located on top, outer rim of the left ear and envisioned to act as a relay to capture and retransmit neural data. The antennas operate in lower Ultra-WideBand frequency range, allowing for higher data rates required for dense spatiotemporal sampling of the brain neural activity. The communication performance between the implant and wearable antennas is evaluated for two implant locations (i.e., vertex area of calvaria and temporal region). It is shown that under worst-case scenario and given the regulatory limit on specific absorption rate, the received signal power is around -57.9 dBm. This is above typical UWB receiver sensitivity; therefore, reliable communication with the wearable receiver is feasible.

Official source

https://infoscience.epfl.ch/entities/publication/62ca4a9d-a5c2-4452-b5b9-2b953ceb64e7

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2026

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/62ca4a9d-a5c2-4452-b5b9-2b953ceb64e7

About this result

Related concepts (32)

Brain–computer interface

A brain–computer interface (BCI), sometimes called a brain–machine interface (BMI) or smartbrain, is a direct communication pathway between the brain's electrical activity and an external device, most commonly a computer or robotic limb. BCIs are often directed at researching, mapping, assisting, augmenting, or repairing human cognitive or sensory-motor functions. They are often conceptualized as a human–machine interface that skips the intermediary component of the physical movement of body parts, although they also raise the possibility of the erasure of the discreteness of brain and machine.

Brain implant

Brain implants, often referred to as neural implants, are technological devices that connect directly to a biological subject's brain – usually placed on the surface of the brain, or attached to the brain's cortex. A common purpose of modern brain implants and the focus of much current research is establishing a biomedical prosthesis circumventing areas in the brain that have become dysfunctional after a stroke or other head injuries. This includes sensory substitution, e.g., in vision.

Antenna (radio)

In radio engineering, an antenna (American English) or aerial (British English) is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver. In transmission, a radio transmitter supplies an electric current to the antenna's terminals, and the antenna radiates the energy from the current as electromagnetic waves (radio waves). In reception, an antenna intercepts some of the power of a radio wave in order to produce an electric current at its terminals, that is applied to a receiver to be amplified.

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