ENTREPRENEURIAL CONTRIBUTIONS TO TELECOM INFRASTRUCTURE: CASE STUDY OF NEXTEL, VIVO AND CLARO NETWORK UPGRADES

The modernization of mobile networks in Brazil required massive investments and complex coordinationbetween carriers, regulators, and contractors. This paper presents a case study of infrastructure projects carriedout for Nextel, Vivo, and Claro during the transition from 3G to 4G, highlighting the entrepreneurialcontributions of contractors as decisive actors in ensuring network quality and coverage. The analysis showshow technical entrepreneurship, project management, and compliance practices supported the digitaltransformation of Brazil’s mobile ecosystem.