A WIDEBAND INTERNAL PLATE LOADED PLANAR MONOPOLE ANTENNA FOR MOBILE HANDSET

作者：Mazinani S M; Hassani H R^*

来源：Journal of Electromagnetic Waves and Applications, 2009, 23(10): 1273-1282.

DOI：10.1163/156939309789108525

A novel low profile wideband internal planar monopole (PM) antenna is proposed. It consists of a rectangular planar monopole, 10 x 20 mm(2), loaded with a pair of parallel small thin plates, 8 x 12 mm(2), placed on the two radiating sides of the PM antenna. The proposed antenna has two ground planes. A small horizontal ground, 9 x 20 mm(2), that holds the PM antenna (making the overall volume of the antenna element 9 x 20 x 23 mm(3)) and the vertical ground, 50 x 80 mm(2) that can be treated as the ground plane of the circuit board of a mobile phone. A prototype of the proposed antenna has been fabricated and tested. Its operating bandwidth with S(11) lower than -10 dB is 1.66-7.35 GHz, which covers the digital communication system (DCS 1.72-1.88 GHz), personal communication system (PCS 1.85-1.99 GHz), universal mobile telecommunication system (UMTS 1.92-2.17 GHz), wireless local area network (WLAN), which usually operate in the 2.4 GHz (2.4-2.484 GHz) and 5.2/5.8 GHz (5.15-5.35 GHz/5.725-5.825 GHz) and worldwide interoperability for microwave access (WiMAX 2.305-2.360 GHz/2.5-2.69 GHz) bands. The radiation pattern of the antenna is omnidirectional with Uniformity value of more than 80%. The antenna has a. at transfer function and group delay over the required bands.

• 出版日期2009