Evaluating CMA equalization of SOQPSK-TG data for aeronautical telemetry

Arlene Cole-Rhodes; Serge KoneDossongui; Henry Umuolo; Michael Rice

doi:10.1117/12.2180040

21 May 2015 Evaluating CMA equalization of SOQPSK-TG data for aeronautical telemetry

Arlene Cole-Rhodes, Serge KoneDossongui, Henry Umuolo, Michael Rice

Proceedings Volume 9497, Mobile Multimedia/Image Processing, Security, and Applications 2015; 94970Q (2015) https://doi.org/10.1117/12.2180040
Event: SPIE Sensing Technology + Applications, 2015, Baltimore, MD, United States

Abstract

This paper presents the results of using a constant modulus algorithm (CMA) to recover shaped offset quadrature-phase shift keying (SOQPSK)-TG modulated data, which has been transmitted using the iNET data packet structure. This standard is defined and used for aeronautical telemetry. Based on the iNET-packet structure, the adaptive block processing CMA equalizer can be initialized using the minimum mean square error (MMSE) equalizer [3]. This CMA equalizer is being evaluated for use on iNET structured data, with initial tests being conducted on measured data which has been received in a controlled laboratory environment. Thus the CMA equalizer is applied at the receiver to data packets which have been experimentally generated in order to determine the feasibility of our equalization approach, and its performance is compared to that of the MMSE equalizer. Performance evaluation is based on computed bit error rate (BER) counts for these equalizers.

Citation Download Citation

Arlene Cole-Rhodes, Serge KoneDossongui, Henry Umuolo, and Michael Rice "Evaluating CMA equalization of SOQPSK-TG data for aeronautical telemetry", Proc. SPIE 9497, Mobile Multimedia/Image Processing, Security, and Applications 2015, 94970Q (21 May 2015); https://doi.org/10.1117/12.2180040

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