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A novel co-planner multiple-input-multiple-output (MIMO) antenna system combined with decoupling structure for enhancing the port isolation between two antennas at penta Long-Term Evolution (LTE) bands 700MHz, 900MHz, 1800MHz, 2300MHz and 2600MHz operation in this paper. For compact single antenna, the design is used to building a single multi-band antenna with 75×18×1.6 . In the decoupling work,...
A compact ultra-wideband bandpass filter with fixed and reconfigurable notch bands using terminated cross-shaped resonator is proposed. Two notch bands can be realized in the passband, with a fixed band and a reconfigurable band. The reconfigurable band can be adjusted by changing the terminated loaded capacitance. The ultra-wideband passband is realized by three parallel coupled lines, and the notch...
In this paper, a novel compact high isolation Wireless local area network (WLAN) multiple-input-multiple-output (MIMO) antenna based on composite right-/left-handed (CRLH) is proposed. The antenna performance and field distribution are studied through simulation. The results prove that this new method can realize high isolation between antenna elements with nearly no influence on its radiation performance...
A low-profile helical antenna with capacitive feed was proposed and achieved circular polarization in vertical direction to the ground. Based on this study, a low-profile helical antenna which generates circular polarization in horizontal direction to the ground is studied. A proposed antenna can generate circular polarization in horizontal direction to the ground. The antenna has total thickness...
A 60GHz-band compact-range wireless access system using a large array antenna can provide an uniform signal reception zone (less than 14 m distance from the antenna) and an almost multipath-free propagation environment. To evaluate the system performance, a wireless communication system for demonstration is constructed and the bit error rate (BER) and the signal-to-interference-plus-noise ratio (SINR)...
A design of MIMO antennas using two monopole structures adding a neutral line connected to ground plane for achieving better isolation is proposed and examined. The antenna uses curved C-shaped arm to resonance the bands of IEEE802.11b/g/n; another arm extended on the feed achieves the bands of IEEE 802.11a application. The overall size of the design is 45×25×1.6mm3; the occupied area of the antenna...
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