Abstract
With the upcoming launch of the Wideband Global SATCOM (WGS) constellation, the DoD will have the opportunity to transition existing satellite networks from commercial satellite bandwidth to military-owned satellite resources. Transition to WGS will provide the Warfighter with additional capacity to augment current and future MILSATCOM needs. WGS Ka-band payloads will provide over 2Gbps of capacity across multiple steerable spot beams. These high power, high frequency beams allow for deployment of smaller tactical terminals. In order for a terminal to be used over the WGS satellites it must first be certified to meet all applicable Military Standards (MIL-STD) as defined by Space and Missile Defense Command /Army Forces Strategic Command (SMDC / ARSTRAT). The certification process will ensure that terminals conform to the minimum performance and operational control requirements as defined in the WGS Ka-Band Terminal Certification Requirements Document. The Defense Information Systems Agency (DISA) is currently working to provide a systems engineering solution and transition plan for the Global Broadcast Service (GBS) and the USCENTCOM Digital Video Broadcast - Return Channel via Satellite (DVB-RCS) network, to WGS. Since GBS already utilizes Ka-band over UHF Follow-On (UFO) satellites, transition of GBS to WGS will not require significant system changes. However, this transition does provide an opportunity to perform a technology refresh of the existing DVB-S waveform to the Second Generation DVB-S2 waveform as well as enable two-way services with a migration to the Joint IP Modem.
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