This paper presents a wideband/multiband internal antenna operated in the LTE13/ GSM850/GSM900/WiMAX bands. The wide bandwidth is obtained by dual resonances in the lower frequency band. With the size of 2.4 cm 3 , the efficiency of the proposed antenna is higher than 40 % in the entire operating band.

A new dual band and dual polarized slot antenna is designed at x band, using longitudinal and transverse slots on the broad wall of the substrate integrated waveguide. The two resonances are completely apart in a low cross polarization level at both sets. antenna has a minimum radiation efficiency of 80% in both bands.

This paper presents the design of dual band frequency reconfigurable fork shape planar dipole in the Industrial, Scientific and Medical (ISM) band (2.4GHz and 5.2 GHz). The proposed antenna can be used for WLAN applications. Antenna operates in dual as well as single band mode depending on switching combination. The proposed antenna gives bandwidth of 12.5% and 6.7% for 2.4 GHz and 5.2 GHz resp...

A planar elliptic broadband antenna with reconfigurable dual stop-bands performance was successfully designed and performed for multi-standard wireless communication systems. The proposed antenna consists of a broadband micro-strip fed printed monopole operating in the frequency range 0.75– 6GHz. The notch-band characteristic was obtained by printing two Open Loop Resonators (OLRs) on the front...

A high performance monopole antenna fabricated using a folded wire line and metal patch as radiator is presented. A prototype of the proposed monopole antenna with a compact area size is implemented, and the multi-band WLAN antenna shows a wide operating bandwidth of about 530MHz and 3400MHz for low band and high band, bandwidth, making it easy to cover the IEEE 802.11a, IEEE 802.11b, IEEE 802....

Patch antenna with double notches and triangular tapered feeding line has been investigated. It is observed that broadband matched double-notched patch antenna is suitable for tri-band operations from simulation and experimental results. It shows a measured return loss well below –10 dB in all three-frequency bands of operation. It has also been observed that the double notched conventional rec...

A Planar antenna with Microstrip feed Sierpinski carpet fractal geometry for multiband applications is presented. The multiband behavior is analyzed through two fractal iterations. Self similarity property of fractal technology is applied in the antenna design to reduce the physical size, increase bandwidth and gain. The proposed antenna covers multi bands such as 1.8/5.59/5.78/6.4/6.63/7.84 GH...

A compact six-element MIMO antenna is presented for present and future wireless applications. The resonating elements of the proposed are simple monopoles, which excited by microstrip feed lines. In antenna, two (Ant. 1 Ant. 2) cover 727–1066 MHz 5.28–6.2 GHz frequency bands IoT WLAN/Wi-Fi applications, respectively. other 3 4) 1.7–1.9 band NB-IoT 5.5–5.8 Wi-Fi applications 7.2–8.9 X-band Other...

The design of rectangular patch antenna with fractal slots is presented in this paper. For designing the antenna FR4 epoxy substrate with thickness 1.6mm and relative permittivity of 4.4 is used as substrate. The resonant frequency used for designing the proposed antenna is 2GHz. Three iteration of proposed antenna is designed and simulated by using HFSS V13 software and different parameters of...

This paper presents a compact dual-band slot antenna for 2.4/5 GHz WLAN applications. The radiating elements of the proposed antenna are composed of a square ring slot and a circular ring slot, operating at 2.4 GHz and 5 GHz bands respectively. The antenna size is very compact (40 mm × 40 mm × 1 mm), and can be integrated easily with other RF front-end circuits. It is demonstrated that the prop...