It seems these days that everyone has a cellular phone. Whether yours is for business
purposes or personal use, you need an efficient way of charging the battery in the phone. But,
like most people, you probably don’t like being tethered to the wall. Imagine a system where
your cellular phone battery is always charged. No more worrying about forgetting to charge the
battery. Sound Impossible?
It is the focus of this thesis to discuss the first step toward realizing this goal. A system will
be presented using existing antenna and charge pump technology to charge a cellular phone
battery without wires. In this first step, we will use a standard phone, and incorporate the
charging technology into a commercially available base station. The base station will contain an
antenna tuned to 915MHz and a charge pump. We will discuss the advantages and disadvantages
of such a system, and hopefully pave the way for a system incorporated into the phone for
charging without the use of a base station.