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- W4306763721 abstract "We introduce, design, and evaluate a set of universal receiver beamforming techniques. Our approach and system DEFORM, a Deep Learning (DL)-based RX beamforming achieves significant gain for multi-antenna RF receivers while being agnostic to the transmitted signal features (e.g., modulation or bandwidth). It is well known that combining coherent RF signals from multiple antennas results in a beamforming gain proportional to the number of receiving elements. However in practice, this approach heavily relies on explicit channel estimation techniques, which are link specific and require significant communication overhead to be transmitted to the receiver. DEFORM addresses this challenge by leveraging Convolutional Neural Network to estimate the channel characteristics in particular the relative phase to antenna elements. It is specifically designed to address the unique features of wireless signals complex samples, such as the ambiguous 2π phase discontinuity and the high sensitivity of the link Bit Error Rate. The channel prediction is subsequently used in the Maximum Ratio Combining algorithm to achieve an optimal combination of the received signals. While being trained on a fixed, basic RF settings, we show that DEFORM's DL model is universal, achieving up to 3 dB of SNR gain for a two-antenna receiver in extensive evaluation demonstrating various settings of modulations and bandwidths." @default.
- W4306763721 created "2022-10-19" @default.
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- W4306763721 date "2022-10-24" @default.
- W4306763721 modified "2023-09-24" @default.
- W4306763721 title "Universal Beamforming: A Deep RFML Approach" @default.
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- W4306763721 doi "https://doi.org/10.1145/3551659.3559041" @default.
- W4306763721 hasPublicationYear "2022" @default.
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