In recent years, increased emphasis on the development of keyless entry and keyless start technology has been seen from automotive Original Equipment Manufacturers (OEMs). To significantly reduce the design cycle time and need for physical tests, an analytical approach has been developed to predict the performance of the Remote Keyless System (RKS). In specific, a detailed analytical model of Bluetooth Low Energy (BLE) antenna and installation component was developed to obtain electric(E) and magnetic(H) fields. An equivalent radiation source (ERS) of BLE antenna was developed from the obtained fields and installed in a full vehicle electromagnetic (EM) model to analyze Radio Frequency (RF) wave propagation using a commercial tool. This method predicts RF propagation inside and outside the vehicle, which in turn, determine the receiver (e.g., smart phone) location. The E and H field distribution levels are requested for different usage heights of the receiver. The field distribution results obtained are compared with field distribution from conventional method being widely used in the automotive industry. This simulation method also significantly reduces both model setup time and simulation time compared to the conventional method.
Simulation Method for Automotive Remote Keyless application
Sae Technical Papers
SAE WCX Digital Summit ; 2021
2021-04-06
Aufsatz (Konferenz)
Englisch
Simulation Method for Automotive Remote Keyless application
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