Abstract
A compact, one-piece, metal-plate, multiple antenna system capable of generating concurrent 2.4- and 5-GHz bands with directional radiation patterns for wireless local area network (WLAN) applications is presented.The design is obtained by integrating two loop and two slot antennas arranged sequentially along a rectangular antenna ground into a single flat plate with overall size of 3 × 75 × 75 mm3. The ground plane in this design not only acts like a reflector for the 2.4 GHz loops but also provides the 5 GHz slots an efficient finite ground to properly excite the antenna. With a simple structure, compact size, and good radiation characteristics, the antenna is easy to fabricate and suitable for applications in WLAN access points. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:815–820, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26624
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