As the entrance, the antenna has the most direct impacts on their performances of wireless communication system. Microstrip antenna has considerable potential value in communication application by virtue of compact-structure, low-profile, light-weight, small-volume, easy to be fabricated and integrated with microwave integrated circuits. This article summarizes and analyzes various technologies to miniaturize and broaden the bandwidth about microstrip antennas, the development tend in the domain of miniaturize and broaden the bandwidth is introduced at home and abroad.
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