To achieve leadership in mobile infrastructure market, suppliers must combine substantial internal research and development with engagement in standardization. This report analyses the contributions vendors and operators have invested in 3GPP standards. This includes holding rapporteur roles in technical specifications groups and contributing work items for technology evolution. The report covers all contributions made between the years 2005 and mid-2018 and focuses primarily on 5G and LTE. However, some other hot domains such as, eMTC, NB-IoT, and V2X will be look at as well. Clients, please log in to view the full content.