Fostering the use of JANUS in operationally-relevant underwater applications

This paper presents the use of JANUS in operationally-relevant underwater applications. JANUS is an open, simple and robust digital coding technology currently in process to become a NATO standard. Two underwater scenarios have been considered: 1) Broadcast of underwater AIS and situational awareness messages; 2) First contact and language switching. The JANUS physical coding scheme has been used by the underwater nodes as the common “language” to share data and to negotiate the switching into a different language, if needed. Field experiments have been conducted to test and validate the proposed approach. Different and heterogeneous configurations have been considered. In this paper we present the collected results and lessons learnt which are a promising starting point for fostering the research in this area.