Methods, systems, and devices for wireless signal transmission are described. A fractal antenna may be utilized to wirelessly communicate with a transmitter implanted within or located external to the patient. The fractal antenna may be implanted within the patient and may be coupled with a lead also implanted within the patient. The characteristics of the fractal antenna may allow for enhanced data transmission between the antenna and the transmitter while reducing the need for implanted wires to connect the transmitter and leads.