2022
DOI: 10.36227/techrxiv.19372541.v1
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One-Bit Phase Retrieval: More Samples Means Less Complexity?

Abstract: The classical problem of phase retrieval has found a wide array of applications in optics, imaging and signal processing. In this paper, we consider the phase retrieval problem in a one-bit setting, where the signals are sampled using one-bit analog-to-digital converters (ADCs). A significant advantage of deploying one-bit ADCs in signal processing systems is their superior sampling rates as compared to their high-resolution counterparts. This leads to an enormous amount of one-bit samples gathered at the outp… Show more

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Cited by 2 publications
(20 citation statements)
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“…4, adding more inequality constraints to (28) leads to shrinkage of this polyhedron. We now prove this result, i.e., in a probabilistic sense, that increasing the number of samples leads to the reconstruction error approaching zero, and that the resulting overdetermined linear system of inequalities guarantees the convergence of RKA [32,49,60]. In other words, using an abundant number of samples (or oversampling in one-bit), the probability of creating the finite-volume space around the desired point x is increased.…”
Section: Analysis Of Reconstruction Errormentioning
confidence: 59%
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“…4, adding more inequality constraints to (28) leads to shrinkage of this polyhedron. We now prove this result, i.e., in a probabilistic sense, that increasing the number of samples leads to the reconstruction error approaching zero, and that the resulting overdetermined linear system of inequalities guarantees the convergence of RKA [32,49,60]. In other words, using an abundant number of samples (or oversampling in one-bit), the probability of creating the finite-volume space around the desired point x is increased.…”
Section: Analysis Of Reconstruction Errormentioning
confidence: 59%
“…To reconstruct x from the sign data r ( ) m =1 , we solve the polyhedron search problem through RKA because of its optimal projection and linear convergence in expectation [32,49,60].…”
Section: One-bit Signal Reconstructionmentioning
confidence: 99%
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