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The Performance Evaluation of an OFDM-Based IP Transceiver at Eglin AFBBerard, Alfredo, Cook, Paul, Roach, John 10 1900 (has links)
ITC/USA 2010 Conference Proceedings / The Forty-Sixth Annual International Telemetering Conference and Technical Exhibition / October 25-28, 2010 / Town and Country Resort & Convention Center, San Diego, California / The 46th Test Wing, 846th Test Support Squadron (846 TSS/TSI) at Eglin AFB is currently evaluating their airspace for the use of SOQPSK transmitters and receivers for telemetry. The Squadron will incorporate an IP-compatible OFDM transceiver from Teletronics Technology Corporation (TTC) that will provide a two-way communication channel for controlling configuration settings of the airborne SOQPSK transmitter and receiver. This provides an opportunity to evaluate the effectiveness of an airborne network instrumentation system and measure some critical parameters, with an opportunity to assess the performance and reliability of streaming telemetry and OFDM-based IP communication systems. This paper describes the experimental test setup created for this evaluation and summarizes the measurement and evaluation process.
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The Performance Test of an Initial iNET-Like RF Network Using a Tethered Aerostat in JapanTanaka, Toshihisa, Aoyama, Daiki, Ito, Sei 10 1900 (has links)
ITC/USA 2015 Conference Proceedings / The Fifty-First Annual International Telemetering Conference and Technical Exhibition / October 26-29, 2015 / Bally's Hotel & Convention Center, Las Vegas, NV / Through the use of early iNET-prototype IP Transceiver technology, Kawasaki Heavy Industries, Ltd. (KHI) has been able to communicate with flight test vehicles during a recent research program. This technology provides a two-way high-capacity communication that has not been achieved with conventional telemetry and can be used not only for flight testing, but also for rescue work. KHI has been authorized to use S-band IP Transceivers since last year in Japan, and various communication tests have been performed. This paper describes Japan's first simulation of an iNET RF network which incorporated testing that performed data backfill, voice communication and video transmission. A data backfilling test was performed using retransmit of lock-off data (which is lost as the aircraft maneuvers) on command from the ground station. Moreover, a tethered aerostat is considered a very useful communication relay platform in the event of a large-scale disaster which results in the destruction of infrastructure. Also, the silence of an aerostat can be very important for search and rescue work.
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THE PERFORMANCE TEST OF AN INITIAL iNET-LIKE RF NETWORK USING A HELICOPTERIto, Sei, Honda, Takeshi, Tanaka, Toshihisa, Aoyama, Daiki 11 1900 (has links)
Through the use of early iNET-prototype IP Transceiver technology, Kawasaki Heavy Industries,
Ltd. (KHI) has been able to communicate with a flight test vehicle. This technology provides a
two-way high-capacity communication that has not been achieved with conventional telemetry.
KHI has been authorized to use S-band IP Transceivers since 2014 in Japan. Then various
communication tests have been performed. Last year we presented the result of the performance
test of initial iNET-like RF network using a tethered aerostat at ITC. As the next phase, we have
a plan of the test using a helicopter. The test is going to be conducted in September. We will
present the results at ITC. This paper describes plans of the test which includes improved data
backfill techniques.
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