A novel multibeam antenna based on a 4 × 4 Butler matrix with sidelobe level (SLL) control is proposed in the 60-GHz band. The SLL is controlled using a dedicated circuit composed by four 90-degree ...

“It took me close to a year to really research it, like what the route was, where each of the portages were. I had to drive out to a lot of them and look at them to make sure, like, ‘OK, I can ...