Fractal ground plane antenna and method of use

摘要

A Global Navigation Satellite System (GNSS) electronic circuit is described that uses an antenna and a fractal ground plane conductor or a fractal counterpoise. Some embodiments of the electronic circuit include a first ground plane conductor portion on a first electronic substrate, and a second ground plane conductor portion on a second electronic substrate. The second ground plane conductor portion is shaped to include at least one fractal pattern. The fractal pattern of the second ground plane conductor portion makes the ground plane seem electrically larger than it is. The fractal ground plane conductor portion minimizes the reception of GNSS satellite signals below the antenna, and improves the reception of signals from low elevation GNSS satellites above the horizon.

主权项

1. An electronic circuit comprising:
an antenna, wherein the antenna is configured to receive GNSS satellite signals; a low noise amplifier circuit electrically connected to the antenna; wherein the low noise amplifier circuit resides on a first electronic substrate; and a ground plane electrically connected to the low noise amplifier circuit, wherein the ground plane comprises:
a first ground plane conductor portion, wherein the first ground plane conductor portion resides on the first electronic substrate; anda second ground plane conductor portion, wherein the second ground plane conductor portion is shaped to comprise at least one fractal pattern, and wherein the second ground plane conductor portion electrically connects to the first ground plane conductor portion.