Title :
Improved sectorised antenna for indoor localization systems
Author :
Brás, Luis ; Oliveira, Marco ; Carvalho, Nuno Borges ; Pinho, Pedro
Author_Institution :
Dept. de ETI, Electron., Telecomun. e Inf., Univ. de Aveiro, Aveiro, Portugal
Abstract :
This paper presents a switched beam antenna suitable for localization systems operating on 2.4-2.5 GHz ISM band. The antenna is used in a system based on a wireless sensor network, and will be used for implementing Angle of Arrival (AoA) techniques combined with RF fingerprinting solutions. The proposed antenna, called Hive5, is based on a sectorised design integrated with patch-excited horn antennas carefully designed to provide an improved radiation pattern and Axial Ratio (AR) in order to improve the system performance. This antenna provides a low cost solution for localization systems in indoor environments with gain improvement, reduced coupling between neighbor antennas and increased multipath rejection.
Keywords :
antenna radiation patterns; direction-of-arrival estimation; indoor communication; wireless sensor networks; ISM band; angle of arrival techniques; axial ratio; fingerprinting solutions; frequency 2.4 GHz to 2.5 GHz; indoor localization systems; multipath rejection; radiation pattern; sectorised antenna; switched beam antenna; wireless sensor network; Antenna arrays; Antenna measurements; Antenna radiation patterns; Directive antennas; Horn antennas; Microstrip antennas; AoA; Received Signal Strength Indication (RSSI); horn antenna; indoor localization system; switch beam antenna;
Conference_Titel :
Microwave Conference (EuMC), 2011 41st European
Conference_Location :
Manchester
Print_ISBN :
978-1-61284-235-6
