Multiband Handset Antenna Combining a PIFA, Slots, and Ground Plane Modes

被引：135
作者：
Cabedo, Arnau [1 ]
Anguera, Jaume [1 ,2 ]
Picher, Cristina [2 ]
Ribo, Miquel [1 ]
Puente, Carles [2 ]
机构：
[1] Univ Ramon Llull, Elect & Telecommun Dept, Barcelona 8022, Spain
[2] Fractus, Technol & Intellectual Property Rights Dept, Barcelona 08174, Spain
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2009年 / 57卷 / 09期
关键词：
Component interaction; multiband handset antennas; PCB resonance; PIFA; SAR; MICROSTRIP PATCH ANTENNA; INVERTED-F ANTENNA; OPERATION; BANDWIDTH; DESIGN;
D O I：
10.1109/TAP.2009.2027039
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A multiband handset antenna combining a PIFA and multiple slots on a ground plane is presented. It is shown by means of simulations that the slots on the ground plane have a double function: to tune the ground plane resonance at low frequencies (f approximate to 900 MHz) and to act as parasitic radiators at high frequencies (f approximate to 1800 MHz). A prototype is designed and built featuring a behavior suitable for low frequencies (GSM850 and GSM900) and for high frequencies spanning from DCS1800 to Bluetooth, and including, for instance, PCS1900, UMTS2000, and other possible systems. Reflection coefficient, efficiency, and radiation patterns are measured and compared with a design without slots to prove the advantages of the slotted ground plane. The component effect is investigated to determine critical areas where the placement is not recommended. Besides, the effect of the slot of the ground plane on SAR is investigated, by discussing the effect of the ground plane and slot modes for two phone positions. The total antenna volume of the proposed design is 40 x 15 x 6 mm(3).
引用
收藏
页码：2526 / 2533
页数：8
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