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Noncollimating MMW Polyethylene Lens Mitigating Dual-Source Offset From a Tx/Rx WiGig Module

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PROJECT TITLE :

Noncollimating MMW Polyethylene Lens Mitigating Dual-Source Offset From a Tx/Rx WiGig Module

ABSTRACT:

The planning of a micromachined polyethylene lens for WiGig modules is described and its electromagnetic characteristics are measured. The lens is electromagnetically fed by linearly polarized Tx and Rx patch antennas integrated in an existing ball-grid-array (BGA) organic module. Antennas are separated from each other by a distance of four.45 mm ($zero.eighty nine,lambda_g$ at 60 GHz). The goal of the lens is to increase the gain of every antenna whereas lowering the beam depointing impact due to their offset position concerning the point of interest of the lens. A geometrical optics/physical optics (GO/PO) hybrid technique is applied to the design and analysis of the lens shape for noncollimating purpose. Employing a lens height of thirty mm for each Tx and Rx antennas, a 13-dBi minimum realized gain from 54 to sixty six GHz is obtained. Compared to an elliptical lens providing identical realized gain over the identical bandwidth, the depointing angle from the boresight direction is reduced from fifteen° to four°. Full-wave simulations are verified by measurements.


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Noncollimating MMW Polyethylene Lens Mitigating Dual-Source Offset From a Tx/Rx WiGig Module - 4.8 out of 5 based on 46 votes

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