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Compact Eight-Band Frequency Reconfigurable Antenna for LTE/WWAN Tablet Computer Applications

Author:
Ban, Yong-Ling   Sun, Si-Cheng   Li, Peng-Peng   Li, Joshua Le-Wei   Kang, Kai  


Journal:
IEEE Transactions on Antennas and Propagation


Issue Date:
2014


Abstract(summary):

A novel eight-band LTE/WWAN frequency reconfigurable antenna for tablet computer applications is proposed in this communication. With a small dimension of 40 x 12 x 4 mm(3), the proposed antenna comprises a loop feeding strip and a shorting strip in which a single-pole four-throw RF switch is embedded. The RF switch is used to change the resonant modes of lower band among four different working states, so that the antenna can provide a multiband operation of LTE700/GSM850 /900/1800/1900/UMTS2100/LTE2300/2500 with return loss better than 6 dB. Reasonably good radiating efficiency and antenna gain are also achieved for the practical tablet computer.


Page:
471-475


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