Summary
Cellular wireless communications are an integral part of modern life, with the demand for high data-rate communications continuously increasing. To support this need, the cellular infrastructure in the United States uses a combination of legacy frequency bands from 4G standards as well as newly allocated spectrum for 5G/6G systems. As a result, a cellular base station must support a variety of frequency ranges and standards, often simultaneously in the case of carrier aggregation. Conventional industry solutions use a single radio-frequency (RF) hardware chain to serve each band, for example u