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A New UWB Slot Antenna with Rejection of WiMax and WLAN Bands

机译:新型WiWB和WLAN频段被拒的UWB缝隙天线

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摘要

This paper presents a compact coplanar waveguide (CPW) fed ultra wideband (UWB) planar slot antenna with the characteristics of dual band rejection. The antenna consists of a rectangular slot with triangular tuning stub. The band notching of WiMax (3.2-3.8 GHz, with VSWR 68 at 3.5 GHz) is achieved by inserting a 'U' slot in the ground plane and band-notching of WLAN 802.11a (5.1-5.9 GHz, with VSWR 14 at 5.5 GHz) is obtained by embedding a 'U' type slot in the triangular tuning stub. The characteristics of the proposed antenna are studied both numerically and experimentally, and the design parameters for achieving optimal operation of the antennas are also analyzed extensively. The size of the antenna is around 28mm (L) × 21mm (W) × 1.6mm (T). The prototype of the proposed antenna is fabricated for its optimal values and tested. The VSWR, radiation pattern and gain are measured and agree well with the simulation results. The proposed antenna is simple, easy to fabricate and can be integrated into any UWB system, which can work without interference from WiMax, WLAN, and HYPERLAN/2 systems.
机译:本文提出了一种紧凑的共面波导(CPW)馈电的超宽带(UWB)平面缝隙天线,具有双频带抑制的特性。天线由一个带有三角形调谐短截线的矩形槽组成。 WiMax(3.2-3.8 GHz,VSWR 68在3.5 GHz时)的频带陷波是通过在地面上插入“ U”槽并在WLAN 802.11a(5.1-5.9 GHz,VSWR 14在5.5时)进行频带陷波来实现的GHz)是通过在三角形调谐桩中嵌入“ U”型槽获得的。通过数值和实验研究了所提出天线的特性,并广泛分析了实现天线最佳工作的设计参数。天线的尺寸约为28mm(L)×21mm(W)×1.6mm(T)。拟议天线的原型已制造出其最佳值并经过了测试。测量了VSWR,辐射方向图和增益,并与仿真结果非常吻合。所提出的天线简单,易于制造,并且可以集成到任何UWB系统中,该系统可以正常工作而不受WiMax,WLAN和HYPERLAN / 2系统的干扰。

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