Pioneering Real Wireless Power Delivery at Ossia Inc.: A Case Study
Technology Category
- Networks & Connectivity - RF Transceivers
- Networks & Connectivity - WiFi
Applicable Industries
- Electrical Grids
- Telecommunications
Applicable Functions
- Quality Assurance
Use Cases
- Onsite Human Safety Management
- Transportation Simulation
Services
- Cloud Planning, Design & Implementation Services
- Testing & Certification
About The Customer
Ossia Inc. is a privately-held company headquartered in Bellevue, Washington, dedicated to revolutionizing the mobility and connectivity of people and industries. The company empowers industry leaders and service providers to create ecosystems for delivering smart wireless power to small devices, which is a game-changer for the entire energy industry. Ossia's patented wireless power Cota® technology is delivered much like WiFi, is inherently safe, and provides real wireless power through the air and over a distance, even while the device is in motion. The technology was first launched publicly in 2013, and since then Ossia’s team of engineers has continued to evolve and improve on its wireless power technology.
The Challenge
Ossia Inc., a company revolutionizing the mobility and connectivity of people and industries, faced a significant challenge in demonstrating the safe transmission of power wirelessly from 2-3 meters away. The company's patented wireless power Cota® technology, which is delivered much like WiFi, needed to be proven safe for humans and within the Federal Communications Commission (FCC) mandated Specific Absorption Rate (SAR) limit of 1.6 watts per kilogram. The technology was designed to provide real wireless power through the air and over a distance, even while the device is in motion. However, the safety of this technology was paramount, especially considering the potential effects on objects or living beings that could unknowingly walk into the path of the wireless power transmission.
The Solution
To address this challenge, Ossia Inc. turned to Altair's comprehensive electromagnetic software FEKO® for simulations. The software's hybridized numerical methods enabled efficient analysis of a broad spectrum of electromagnetic problems. Ossia engineers used FEKO to perform simulations that modeled human tissue with actual characteristics, demonstrating the performance of the Cota technology against the required limits. The team successfully addressed the challenging task of solving 200+ antenna array elements in the presence of a human phantom using FEKO’s hybrid solution. The software's scripting capabilities were also utilized to automate simulations with different array configurations and phantom locations, reducing setup time and minimizing errors. The simulations successfully supported the testing of the technology at Ossia, helping to advance Cota wireless power into a mainstream technology.
Operational Impact
Quantitative Benefit
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