Variant CDL Program Descriptions
Tactical Common Data Link. Provides simplex or, full duplex, and jam-resistant links for tactical UA and other applications, with initial prototype demonstrations supporting 200 Kbit/s forward link and 10.7 Mbit/s return link rates. Ongoing developments are currently expanding to full rate capabilities (up to 45 Mbit/s forward link and 274 Mbit/s return link). The Army's Tactical Unmanned Aerial Vehicle (TUAV) Operational Requirements Document (ORD) requires TCDL, as does Fire Scout. Both the Army and the CDL Program Office are pursuing miniaturization of the TCDL for tactical UA applications.
Multi-Role – TCDL (MR-TCDL). Flexible, scaleable, modular, and programmable data link that can be reconfigured through software programmable subsystems and plug-and-play modules for a variety of missions and applications. MR-TCDL will be interoperable with the existing CDL systems and provide a wideband “clear channel” for bandwidth-on-demand requirements of future applications. Through IP networking, and SCA modularity, MR-TCDL will provide a full mesh, self-healing network that will strengthen the Army Intelligence Community’s ability to allow the Army Knowledge Enterprise
APPENDIX C - COMMUNICATIONS
Page C-8
Architecture, GIG, DCGS, Warfighter Information Network-Tactical (WIN-T), JTRS, and the family of CDLs to communicate and disseminate information across the Army, Joint, Allied, and Coalition ISR air, ground, and space functional areas. The MR-TCDL system will be capable of interoperating in Multi-Connect/Direct-Connect RF topologies, and will provide a complimentary wideband RF network backbone that is fully compatible and interoperable with the emerging Multi-Platform CDL (MP-CDL) network topology.
Multi-Platform Common Data Link. Network-based application of the standard DoD data link for the dissemination of ISR data. The airborne MP-CDL will be the first fully networked CDL the military has deployed with the capability to communicate from the aircraft to as many as 30 active, airborne- and/or ground-networked platforms at one time (threshold). MP-CDL can be used to relay information from one aircraft to another or to ground stations in the network. It is a wideband, jam resistant, IP enabled data link that includes a wideband mobile router running commercial off-the-shelf (COTS) protocols (IPv4/RIP/DHCP) and a network manager using simple network management protocol (SNMP). The MP-CDL system provides for extensive future growth capabilities including additional channels, wideband (274 Mbit/s) SATCOM, higher data rates (548 Mbit/s and 1Gbit/s), and advanced networking protocols. The flexibility and interoperability of the MP-CDL system will provide the net-centric warfighter multiple communications capabilities, ultimately extending the edge of the Global Information Grid through the command and control and ISR assets to the shooter.
Joint Tactical Radio System
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