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In this paper, we propose a robust packet detection algorithm for the differentially bi-orthogonal chirp-spread-spectrum (DBO-CSS). The conventional packet detection algorithms based on auto-correlation cannot avoid side band noise because of the band hopping property of the DBO-CSS. If we, therefore, use the conventional packet detection algorithms in the DBO-CSS, the performance degradation of the...
In this letter, we design and analyze a novel differentially coherent decision feedback structure for differentially bi-orthogonal code (DBOC). Proposed detector using decision feedback and partially maximum likelihood sequence estimation (DF-PMSE) can be applied to the DBOC detector irrespective of bi-orthogonal code length. Simulation and analyzed results show that the PER performance of the proposed...
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