Multibending antenna structure

The invention provides a multibending antenna structure, which includes a substrate, a grounding layer, and a microstrip antenna layer. The ground layer and the microstrip antenna layer are disposed on two sides of the substrate. The microstrip antenna layer includes a radiation unit which is in a multibending shape and formed with a concave area. The total length of the radiation unit is equal to 0.8 to 1.2 time the wavelength corresponding to an operation frequency. When the signal input end of the radiation unit receives an input signal to emit an electromagnetic wave having a radiation energy, the half-power beam width thereof is increased. 本发明提供一种蜿蜒天线结构，其包括一基板、一接地层以及一微带天线层，接地层和微带天线层分别设在基板相异的两侧，微带天线层包括辐射单元，其呈蜿蜒状且形成一凹陷区，辐射单元的总长度对应一工作频率而介于0.8个波长至1.2个波长的长度，辐射单元的信号输入端接收输入信号以发出具辐射能量的电磁波时，可达到增大半功率波束宽度的效果。