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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimir: 0040-2508
ISSN En Línea: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v73.i6.50
pages 529-535

QAM MAPPED OFDM SIGNAL PROCESSING ON RADAR APPLICATIONS

H. Avagyan
Institute of Radiophysics & Electronics of NAS of Armenia 1 Alikhanianbrs str., 0203, Ashtarak, Armenia
A. Hakhoumian
Institute of Radiophysics & Electronics of NAS of Armenia 1 Alikhanianbrs str., 0203, Ashtarak, Armenia
Kh. Tovmasyan
Institute of Radiophysics & Electronics of NAS of Armenia 1 Alikhanianbrs str., 0203, Ashtarak, Armenia

SINOPSIS

QAM mapped OFDM signal processing gives an opportunity to solve two of the main tasks of radar applications, i.e., target velocity and target range. Reviewing reflected signal constellation we can see the rotated and distorted mapping, which occurs as a result of the moving target. On the other hand when the mapping is only rotated around the zero, we have a reflected signal from a static target. After passing this signal through the frequency and target range filter banks we can easily get the Doppler frequency and time shift and consequently the velocity and the target range.

REFERENCIAS

  1. Levanon, N., (2000), Multifrequency Complementary Phase-Coded Radar Signal.

  2. Sturm, C., Pancera, E., Zwick, T., and Wiesbeck, W. , (2009), A Novel Approach to OFDM Radar Processing.

  3. Yoke Leen Sit, Sturm, C., and Zwick, T. , (2011), Doppler Estimation in an OFDM Joint Radar and Communication System.

  4. Sen, S. , (2011), Adaptive OFDM Radar for Target Detection in Multipath Scenarios.

  5. Sen, S. , (2010), OFDM Radar Waveform Design for Sparsity-Based Multi-Target Tracking.

  6. Schulze, H., and Lueders, Ch. , (2005), Theory and Applications of OFDM and CDMA: Wideband Wireless Communications.


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