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This paper presents a design of band-pass shielding enclosure for two frequency bands of WLAN. The proposed design employs a compact frequency selective surface to highlight the advantages of these miniaturized structures for the selective shielding of such enclosures that are electrically small. The results indicate that the proposed shielding enclosure has high transmittance in both the pass bands...
A novel frequency selective radome (FSR), which is “transparent” within the operating band of the antenna while absorbing out-of-band incoming waves in a very wide band, is presented in this article. In order to absorb undesired signals out of the band, square loops loaded with lumped resistors are used. The pass-band property is realized by employing meandering square slots with a smaller period...
A novel third-order band-pass frequency selective surface (FSS) is proposed in this paper. This FSS has a good filtering performance at 16–18GHz in the terms of band-pass flatness and steep-cutoff characteristic by using multi-layer surfaces cascade coupling each other. The FSS is comprised by three patch surfaces and two aperture surfaces with the total thickness of only 2mm (1/9 λ) and has a −1dB...
This letter demonstrates the feasibility of applying I/O pins as chip Tx/Rx antennas for implementing wireless inter/intra-chip communications (WIICs). An innovative printed circuit board (PCB) medium is presented as a signal propagation channel, which is specially bounded by a metamaterial electromagnetic wave absorber to improve electromagnetic environment pollution. Presented is a 20.4-GHz WIIC...
A design scheme is proposed for wireless interconnection communication between chips. The PCB medium channel is built with absorber layers. Two chip pin antennas are designed and simulated. Their scattering parameters are extracted and compared with three different cases. It evaluates the bit error rate (BER) performance via a interconnect communication model with a coherent binary phase shift keying...
In this paper, we propose a novel active frequency selective surface(AFSS) that transmits 2.45 GHz WLAN signals in the ON state while functioning as a band-stop filter to shield those signals in the OFF state. A special topology that requires no additional biasing lines between two adjacent FSS cells is applied to weaken the feeder network's negative impact on the transmission characteristics of the...
In this paper, a new ultra-wideband (UWB) bandpass filter (BPF) with narrow notched (rejection) band in the UWB passband, which is realized with hybrid microstrip/CPW structure, is presented and implemented for using in wireless communication applications within the unlicensed UWB range set by the Federal Communications Commission (FCC). Such an UWB bandpass filter with notched band is required in...
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