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A mm-Wave True-Time-Delay Beamformer Architecture based on a Blass Matrix Topology

As fifth generation (5G) wireless communication systems roll out, significant challenges exist towards the design of critical hardware, that is needed in order to realize the performance goals of 5G systems. One such challenge is the development of antenna arrays with multiple beams. This work, proposes the design of a mm-Wave beamforming network based on a modified Blass matrix architecture, which is loaded with appropriately designed cross couplers. The proposed implementation shows a constant time delay in the 27.5-32.5 GHz frequency band.