CST – Computer Simulation Technology

Ultra Wideband Wide Slot Antenna with Band-Rejection Characteristics

Ultra Wideband Wide Slot Antenna with Band-Rejection Characteristics
Begaud Xavier
First European Conference on Antennas and Propagation, 2006. EuCAP 2006.
Nov. 2006
1 - 6
One of the challenges of the implementation of UWB systems is the development of a suitable antenna that would cover a large bandwidth, which would include some forbidden frequency bandwidth. A wide slot antenna with fork-shaped microstrip line fed structure [1] has been optimized for UWB applications; this prototype can cover whole UWB frequency range (3.1-10.6GHz). The antenna is placed above a limited ground at a given distance to obtain a directive antenna. This paper presents different solutions to realize one or more filtering functions, to avoid interfering with existing 5.2/5.8 GHz wireless local area network (WLAN) systems for example. Two types of solutions have been studied: the first one is to modify the feed line of the antenna and the second one is to modify the radiating part.

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