Beamforming in antenna-duplex radio front-ends

Date

Mar 1, 2023

Time

2:00 PM - 3:00 PM

Speaker

Muhammad Umar

Affiliation

Barkhausen Institut; Research Group: RF Design Enablement

Language

en

Main Topic

Elektro- u. Informationstechnik

Description

Beamforming is a way to steer the antenna radiation direction according to the requirement. Antenna duplexing is utilizing a single antenna for two-way communication while electrically isolating the transmitter circuit from receiver. The design and development of beamforming phased arrays, required for communication coverage and radar spatial filtering, becomes challenging when a high TRx isolation assurance is required. This presentation presents a solution in the form of antenna-duplexed passive beamformer usable for full-duplex communication and mono-static continuous wave radars, mitigating two key challenges/requirements of JC&S hardware reuse in co-design approach - TRx isolation and beamforming capability. A beamformer using Butler matrix and a planar quasi-circulator are designed and optimized for X-band (centered at 10 GHz) providing up to 40 dB transmitter leakage suppression using primarily passive circuits.

Links

• Teams-Link to the Meeting

Last modified: Jan 31, 2023, 2:39:02 PM