Multiple-input multiple-output antenna for dual-band applications with a novel radiating patch and enhanced feeding network

Abstract

Purpose An Elephant trunk shape (ETS) radiating element is used to achieve the two covering bands of multi-input multi-output (MIMO) antenna. These frequency bands can be controlled by the length of a slot embedded in ETS. The slot length in ETS plays a defining role in controlling the impedance bandwidth (IBW) of the MIMO antenna, and its diligent adjustment of it leads to cover the frequency range of Bluetooth and Wireless Local Area Network systems. Design/methodology/approach A new MIMO antenna is introduced in this paper in conjunction with an enhanced Wilkinson power divider feeding platform. Findings These frequency bands can be controlled by the length of a slot embedded in ETS. The slot length in ETS plays a defining role in controlling the IBW of the MIMO antenna, and its diligent adjustment leads to covering the frequency range of Bluetooth and WLAN systems. Originality/value The proposed MIMO antenna benefits from good isolation between ports for both frequency bands. The proposed MIMO antenna is constructed on FR4 substrate with a volume of 90 × 134 × 1.6 mm3.

Application of ELM Algorithm Incorporating AE Principles in Wireless Communication Signal Detection

“…Multiple-input Multipleoutput (MIMO) technology is a major technology used to boost wireless communication performance and has drawn significant attention from academics [2]. Through the use of massive antennas and RF chains, this technology can improve wireless communication performance by increasing the spectrum efficiency of communication signals, network capacity, and data transmission rate [3]. However, the multipath effect occurs in MIMO systems as the number of antennas increases, and the significant amount of interference information makes it more challenging to detect wireless communication signals.…”