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In this paper, we present a pilot design for an OFDM cellular system based on Costas arrays. The design provides pilot symbols for both common and dedicated pilots for MIMO transmission. The pilot symbols are designed so that pilots from different cells intersect minimally. The design results in a large number of available distinct pilot symbol patterns with minimally overlapping resource elements...
We consider a new approach to the design of a cascade of distributed sensors for the detection of a target when the individual sensors in the cascade have different measurement reliabilities. To obtain specific results, we consider a Rayleigh scattering target model and independent additive Gaussian noise at each sensor. Because of the intractability of the general solution in the case where we...
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