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Warfighter Information Network Terrestrial (WIN-T)

Terrestrial transport systems are the backbone of the WIN architecture. They provide simultaneous voice, data, imagery, and video communication services at all levels of security. Terrestrial transport systems will provide higher capacity and faster velocity by integrating Asynchronous Transfer Mode (ATM) protocols, embedded Integrated Services Digital Network (ISDN) services, wideband high-capacity radios, network services, and access to Personal Communications Systems (PCS) cellular sites. Some of the network services provided will be multimedia, wireless LAN, command post PCS cellular services, automatic dial-up video teleconferencing, multi-level security, and ISDN ethernet gateway for remote users.

ATM backbone and extension switches with ISDN technology, and High-Capacity Line of Sight (HCLOS) radios will provide the velocity and throughput necessary to support Force XXI information requirements. The HCLOS will serve as the next-generation line-of-sight (LOS) radio for the Army's Tri-Service Tactical (TRI-TAC) and Mobile Subscriber Equipment (MSE). Coupled with the other components of WIN, this will result in the complete overhaul of the copper based, low bandwidth tactical telecommunication technology that has previously existed.

The Warfighter Information Network-Terrestrial (WIN-T) is the Army ongoing force modernization initiative that will field a new generation of both network and common user equipment. The High Capacity Trunk Radio (HCTR) will replace the current AN/GRC-226 UHF multichannel radio in order to provide more trunk capacity to units. Major nodes will be interconnected by beyond line-of-sight (BLOS) satellite system equipment capable of operating in both the military and civilian frequency bands. Asynchronous Transfer Method (ATM) switching will more efficiently utilize the rapidly shrinking frequency band availability. Wireless TOCs that utilize deterministic, multi-path radio systems will further reduce the demand for frequency spectrum, making tactical video teleconferences (VTCs) possible on future battlefields.

The goal of the Terrestrial Transport WIN is to design an information systems architecture using commercial technology. The objective Terrestrial Transport System will emphasize forward compatibility and will support Force XXI well into the 21st century. Warfighter Information Network Terrestrial (WIN-T) systems are divided into Band 1 (funded) and Band 2 (unfunded). Band 1 programs include: ACUS Switch Modernization Objectives, ACUS Radio Modernization Program, Battlefield VTC Program, RAU Range Extension, TI Manager and Training Device Upgrades. Band 2 programs include Wireless LANs, Fiber Optics, Secure Terminal Equipment, Personal Communications System and Airborne Repeaters.

Personal Communications Systems (PCS) operating at 800Mhz/1900 Mhz band Code Division Multiple Access (CDMA) has major benefits for secure wireless communications to Brigade and above TOCs, a critical part of the Objective Force for the FCS as will as the Warfighter Information Network - Terrestial (WINT-T) plan for the future BCT. PCS is a revolutionary approach to delivering secure voice and data in a handset, which is included in the Multifunctional on the Move Secure Adaptive Integrated Communication (MOSAIC0 Advanced Technology Demonstration (ATD) strategy. PCS is also the leading candidate for the JTRS wideband handheld waveform. A CDMA repeater will provide range extension for the Warfighter as a coverage capability to enable greater mobility and quick set-up and tear-down of the network infrastructure.

The draft WIN-T Operational Requirements Document(ORD) dated 18 June 1999 [under Solicitation Number DAAB07-99-R-F401] changed the title from Warfighter Information Network - Terrestrial (WIN-T) System to Warfighter Information Network - Tactical (WIN-T). This reflected a holistic approach to documenting requirments by including network management and information assurance requirements together with the network infrastructure in one ORD. The draft ORD also addressed the requirement for a network solution that supports users at all classification levels.



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Page last modified: 07-07-2011 02:49:04 ZULU