A Frame-Theoretic Scheme for Robust Millimeter Wave Channel Estimation
作者： Razvan-Andrei Stoica , Giuseppe Thadeu Freitas de Abreu , Hiroki Iimori
DOI: 10.1109/VTCFALL.2018.8690936
关键词: Beamforming 、 Transmitter 、 Frame (networking) 、 Kronecker delta 、 Coherence (physics) 、 Communication channel 、 MIMO 、 Precoding 、 Algorithm 、 Computer science
摘要: We propose a new scheme for the robust estimation of millimeter wave (mmWave) channel. Our approach is based on sparse formulation channel problem coupled with frame theoretic representation sensing dictionary. To clarify, under this approach, combined effect transmit precoders and receive beamformers modeled by single frame, whose design optimized to improve accuracy reconstruction which ultimately reduced. The dictionary then decomposed via Kronecker decomposition back into precoding beamforming vectors used transmitter receiver. Simulation results illustrate significant gain in obtained over state art alternatives. As bonus, work offers insights onto mmWave-multiple-input multiple-output (MIMO) casting trade-off between correlation variation range terms coherence tightness.
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