Space-Time Block-Coded ARTM CPM for Aeronautical Mobile Telemetry

This article explores the application of Silvester's space-time block code to the multi-index continuous phase modulation called "ARTM CPM" in the IRIG 106 standard to solve the "two-antenna problem"-the use of two transmit antennas to provide full spatial coverage on an air...

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Bibliographic Details
Published in:IEEE transactions on aerospace and electronic systems 2022-02, Vol.58 (1), p.342-358
Main Authors: Josephson, Chad, Perrins, Erik, Rice, Michael
Format: Article
Language:English
Subjects:
Antennas
Block codes
Codes
Complexity
Delays
Detectors
Phase modulation
Space-time codes
Telemetry
Transmitting antennas
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Summary:This article explores the application of Silvester's space-time block code to the multi-index continuous phase modulation called "ARTM CPM" in the IRIG 106 standard to solve the "two-antenna problem"-the use of two transmit antennas to provide full spatial coverage on an airborne test article and the accompanying self-interference due to different delays between the two transmit antennas and the ground-based receive antenna. A symbol-level encoding scheme is derived that allows the burst-based space-time block code to operate in a continuously streaming mode. The results show that the space-time block code can solve the two-antenna problem with differential delays, but that the differential delays generate a substantial increase in the computational complexity of the detector. Complexity-reducing techniques are applied and analyzed. The results show that the complexity reductions required to produce a practically realizable detector render the bit error probability performance sensitive to the differential delay. Numerical results are presented to quantify the performance loss due to the differential delay.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.2021.3098134