Wirtinger Flow for Nonconvex Blind Demixing With Optimal Step Size
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3203313
Abstract: The prospect of massive deployment of devices for Internet-of-Things (IoT) motivates grant-free access for simultaneously uplink transmission by multiple nodes. Blind demixing represents a promising technique for recovering multiple such source signals over unknown channels.… read more here.
Keywords: blind demixing; flow nonconvex; wirtinger flow; step size ... See more keywords
Blind Over-the-Air Computation and Data Fusion via Provable Wirtinger Flow
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2020.2970338
Abstract: Over-the-air computation (AirComp) shows great promise to support fast data fusion in Internet-of-Things (IoT) networks. AirComp typically computes desired functions of distributed sensing data by exploiting superposed data transmission in multiple access channels. To overcome… read more here.
Keywords: air computation; wirtinger flow;
Robust phase retrieval of complex-valued object in phase modulation by hybrid Wirtinger flow method
Sign Up to like & getrecommendations! Published in 2017 at "Optical Engineering"
DOI: 10.1117/1.oe.56.9.093106
Abstract: Abstract. This paper presents a robust iterative algorithm, known as hybrid Wirtinger flow (HWF), for phase retrieval (PR) of complex objects from noisy diffraction intensities. Numerical simulations indicate that the HWF method consistently outperforms conventional… read more here.
Keywords: hybrid wirtinger; phase; method; wirtinger flow ... See more keywords