Honeywell Technology Solutions, Inc. [HTSI] has awarded a new contract to RT Logic for the Tracking and Data Relay Satellite System (TDRSS) K-Band Upgrade Project (TKUP). Honeywell is the prime contractor working on National Aeronautics and Space Administration (NASA) Goddard Space Flight Center’s Near Earth Networks Services (NENS) Contract. For the TKUP effort, RT Logic will demonstrate their Telemetrix 1200 HDR (T1200HDR) high data rate receiver and test modulator.
NASA is replacing the current K-Band Single Access Return (KSAR) high rate equipment with modems that extend the data rates to up to 1.5 Gbps and implement high performance error correcting codes, such as Low Density Parity Checking (LDPC) and Turbo Product Code (TPC). A demonstration of the receiver technology is scheduled for January 2008.
The T1200 HDR is RT Logic’s latest wideband modem product. It employs digital receiver technology to meet multi-mission, high data rate requirements. The T1200HDR supports most of the popular demodulation schemes: Binary Phase Shift Keying (BPSK), Quadrature Phase Shift Keying (QPSK), Staggered Quadrature Phase Shift Keying (SQPSK), and optional Unbalanced Quadrature Phase Shift
Keying (UQPSK) and Eight-Phase Shift Keying (8PSK) signals. Data rates ranging to 1.7 Gbps are supported. Demodulation processing is supplemented by bit synchronization (with optional Viterbi error correction), Pulse Code Modulation (PCM) code conversion, and Consultative Committee for Space Data Systems (CCSDS) frame processing. The TKUP award is just one of a number of RT TDRSS-related efforts—Lanham, Maryland
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