Shaped beam synthesis with 4-element conformal array for a semi-smart Picocell sector antenna

We present the shaped beam synthesis with 4-element conformal array for semi-smart Picocell sector antenna. Compared with the conventional circular array synthesis for smart antenna applications, the proposed circular array shaped beam synthesis has much lower system complexity and instrumentation implementation cost. This is because only 4 elements are involved and the circular array factor is simplified for coarse granularity beam. Adding to this, a low-cost Quasi-Newton method is used by the linear/conformal array for the beam optimization. By coding the proposed shaped beam synthesis methodology in C/C++, the advantages of the conformal array over the linear one is demonstrated by avoiding the blind angle and exhibiting better accuracy.