RF hardware platform - indie uses AWR design

“The joint design of the antenna and RF front-end modules on the Microwave Office platform has enabled our projects to achieve unprecedented success”

--Juha Ellä and Prasadh Ramachandran,Principle ScienTIst - Senior Research Engineer,EPCOS and Pulse Electronics

Engineering background

Indie is an operator-independent hardware platform that has made LTE smartphones possible. Designed and optimized through EPCOS (TDK Group) and Pulse Electronics, the indie hardware platform uses EPCOS' advanced multi-feed RF front end and Pulse Electronics' cutting-edge antenna technology. Indie is the single RF platform that the next generation of mobile network operator alliances have been looking for.

Design challenge

Design an operator-independent RF hardware platform to provide international roaming and downlink carrier aggregation technologies for future LTE mobile devices.

solution

The solution relies on AWR's software, specifically Microwave Office®, to design the antenna system and RF front-end module architecture for the 3-feed port. R&D with Microwave Office software directly eliminates the need for matching for duplexers (required in a single feed architecture) to make the hardware platform independent of the operator. In addition, the 3-feed architecture improves system performance by at least 2dB, making WLAN interoperability better and linearity better.

In addition, Pulse not only uses AWR software to create circuit simulation and matching circuits for antenna systems, but also uses it to create its common documentation platform. EPCOS uses Microwave Office to perform circuit simulations on front-end modules such as couplers, switches, duplexers, and filters, and also models them for nonlinear passive duplexing.

Pulse's 3-feed port antenna system Microwave Office's key features for success

• Easy-to-use tools ○ More intuitive than other tools available on the market, and their documentation is also very easy to understand. ○ Easy to apply A single schematic simulates a large number of carrier aggregation pairs present in antennas and front-end modules.
○ AWR's technical support is fast and friendly • AWR circuit simulation is very accurate ○ The performance of the RF front-end module is very consistent with the test results. ○ AWR's online user-defined nonlinear model is very flexible and easy to implement.
â—‹ Quality of components in the library: the model fits well with the actual test results

AWR's Microwave Office makes it possible to accurately predict the performance of antenna systems and RF front-end modules. Designing and optimizing a new RF hardware platform is not possible without detailed circuit simulation. The indie platform designed with AWR software is more advanced than the platform designed with traditional methods. The application of Microwave Office as the core software in the simulation of the antenna and RF front-end module directly made the first universal hardware platform we designed a breakthrough in the market.

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