Abstract
ABSTRACTA simple two‐branch monopole antenna with an integrated wideband matching network to achieve the LTE dual‐wideband operation (698–960/1710–2690 MHz) with a small occupied volume (10 × 30 × 3 mm3) in the tablet computer is presented. The two‐branch monopole contributes to one resonant mode in the LTE low band and one resonant mode in the LTE high band. With the aid of the wideband matching network, the bandwidths of the two resonant modes can both be widened to cover the LTE dual‐wideband operation. In addition, the matching network requires no additional board space on the system circuit board of the tablet computer and is disposed inside the ground clearance region occupied by the antenna. This makes it attractive for practical applications. Working principle of the wideband matching network on achieving the antenna's dual‐wideband operation is described in this study. The antenna is also fabricated and tested. Experimental results are presented and discussed. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:507–513, 2015
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