Automotive Remote Keyless Entry (RKE) Receiver Antennas: Design, Integration, and Performance Challenges

This paper reviews the design and integration of automotive Remote Keyless Entry (RKE) receiver antennas operating at 315 MHz and 433 MHz. It discusses practical challenges such as vehicle body effects, polarization mismatch, and user hand influence, with emphasis on real-world antenna placement and diversity solutions. The work is intended for engineers and researchers involved in automotive RF and antenna system design.