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A Two-Stage Passive Matrix Addressing Method for Large-Scale Beam-Steering Arrays
  • PengYuan Wang
PengYuan Wang

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This letter proposes a passive matrix addressing method to dramatically reduce the number of controlling (biasing) lines for large-scale beam-steering arrays. Phase shifting of each radiation element is accomplished in two stages by the row and column biasing lines located at two stacked layers, which offer a pair of orthogonal wave vectors. For an antenna array with M rows and N columns, conventional direct addressing designs need M * N biasing lines, while the proposed method needs only M+N biasing lines to complete the full-space beam-steering. The proposed method simplifies the routing of control lines and the design of driving circuits. Both theoretical and numerical analyses are provided to validate this method.
01 Apr 2024Submitted to TechRxiv
01 Apr 2024Published in TechRxiv