Code Division Multiple Access (CDMA) networks spurred a shift toward distributed, autonomous power control that converges to target signal quality with minimal centralized coordination. Uplink power-control frameworks for Code Division Multiple Access cellular systems fostered joint base-station assignment and minimum-power strategies, outlining how interference could be managed across cells. Packet Reservation Multiple Access concepts and early software-defined radio architectures broadened the design space, promoting flexible, programmable radios and efficient shared-channel access for multimedia traffic. Historical Significance: These contributions laid the foundations for scalable, power-control oriented resource management in Code Division Multiple Access networks, providing essential primitives for later 3G CDMA designs and for the broader development of software-defined and cognitive radio concepts that transformed wireless systems.