Smart Antenna System Using Butler Matrix Based Beamforming Network for X Band Applications

Autor:	Hayat Errifi, Aicha Sahel, Abdelmajid Badri, Abdennaceur Baghdad
Rok vydání:	2016
Předmět:	Beamforming Reconfigurable antenna Matrix (mathematics) Computer science HFSS law X band Electronic engineering Smart antenna Hybrid coupler Phase shift module law.invention
Zdroj:	Lecture Notes in Electrical Engineering ISBN: 9789811016264 UNet
DOI:	10.1007/978-981-10-1627-1_30
Popis:	This paper presents the optimum design of a 4 × 4 planar Butler matrix array as a key component of a switched beam smart antenna system operating at 10 GHz for X band applications. In 4 × 4 Butler matrix, four input ports are used for the input signal connections and four output ports can be connected to an array of four micro-strip edge feed patch antennas to form the beamforming network. Such a network is capable of production of four orthogonal uniform beams (at −50°, −10°, 10° and 50°) with effective coverage over 120°, when feed with electromagnetic signals. Conception details, and simulation results are also given for the components (hybrid coupler, crossover, phase shifter) used to implement the matrix. Finally, the simulation results using Ansoft HFSS show a great improvement of Gain and HPBW of the four generated orthogonal beams.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::b71ed9ac5571f7096dc271f18b21329c https://doi.org/10.1007/978-981-10-1627-1_30 Zobrazit plný text záznamu