Industry 4.0 is a digital paradigm that refers to the integration of cutting-edge computing and
digital technologies into global industries because of which the state of manufacturing …

This paper presents a novel guided image filtering method using multipoint local polynomial
approximation (LPA) with range guidance. In our method, the LPA is extended from a …

This paper presents a 2.4 GHz electronically steerable antenna array (ESAA) using a phase
shifter based on the 4× 4 Butler matrix which is suitable for the wireless indoor positioning …

(57) ABSTRACT A mm-wave antenna apparatus with beam steering function that includes: a
Butler Matrix feeding network; a plurality of power combiners, each power combiner having …

This paper presents a 4× 4 Butler matrix as a beamforming network that is combined with a 4-
elements linear aperture coupled antenna arrays to produce four narrow steerable beams …

This paper proposes the planar Beam Steering Antenna Array for Indoor Positioning
Systems. The antenna array consists of a phase shifter based on a Butler matrix, and an …

Petri net is a mathematical and graphical tool used for analyzing the properties of parallel
and concurrent system designs. Here, it is used for checking the process modeling of 4× 4 …

In this paper a Switched beam 4× 1 linear antenna array is presented with a 4× 4 Butler
matrix feed. For wideband operation Aperture coupled antenna elements are used in the …

This paper proposes a 5 GHz beam steering antenna array (BSAA) based on 8× 8 Butler
Matrix for Indoor Positioning System (IPS). The main beam of BSAA is narrow in azimuth …

This paper presents dual band 4× 4 Butler Matrix beam forming network integrated with
antenna array operating at WLAN systems, 2.45 GHz and 5.8 GHz bands. Array antenna …