a high isolation mimo antenna without decoupling structure for lte 700 mhz

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2015
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Abstract
This paper presents a long-term evolution (LTE) 700 MHz band multiple-input-multiple-output (MIMO) antenna, and high isolation between the two symmetrical antenna elements is obtained without introducing extra decoupling structure. Each antenna element is a combination antenna of PIFA and a meander monopole antenna. The end of the PIFA and the meander monopole antenna are, respectively, overlapped with the 50 Ω microstrip feed line, the two overlapping areas produce additional capacitance which can be considered decoupling structures to enhance the isolation for the MIMO antenna, as well as the impedance matching of the antenna elements. The MIMO antenna is etched on FR4 PCB board with dimensions of 71 × 40 × 1.6 mm3; the edge-to-edge separation of the two antenna elements is only nearly 0.037 λ at 700 MHz. Both simulation and measurement results are used to confirm the MIMO antenna performance; the operating bandwidth is 698–750 MHz with S11≤−6 dB and S21≤−23 dB.
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wu2015internationala1 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Yanjie Wu;Yunliang Long
Journal american journal of physiology endocrinology and metabolism
Year 2015
DOI 10.1155/2015/436259
URL
http://dx.doi.org/10.1155/2015/436259
Keywords
genetic algorithm electrical engineering computer science electronics wireless telephone industry nuclear engineeringcellular telephone services industry

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